!4 支持RISC-V架构

Merge pull request !4 from zhushengle/zhushengle_20201127151823
This commit is contained in:
openharmony_ci 2020-11-27 17:38:44 +08:00 committed by Gitee
commit f7d1409762
35 changed files with 3772 additions and 1 deletions

View File

@ -0,0 +1,60 @@
/*
* Copyright (c) 2013-2020, Huawei Technologies Co., Ltd. All rights reserved.
* Copyright (c) 2020, Huawei Device Co., Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _LOS_EXC_H
#define _LOS_EXC_H
#include "los_hw.h"
#ifdef __cplusplus
#if __cplusplus
extern "C" {
#endif
#endif /* __cplusplus */
extern VOID LOS_Panic(const CHAR *fmt, ...);
extern VOID OsBackTrace(VOID);
extern VOID OsTaskBackTrace(UINT32 taskID);
STATIC INLINE UINTPTR GetFp(VOID)
{
UINTPTR fpSave = 0;
__asm__ __volatile__("mv %0, s0" : "=r"(fpSave));
return fpSave;
}
#ifdef __cplusplus
#if __cplusplus
}
#endif /* __cplusplus */
#endif /* __cplusplus */
#endif

View File

@ -0,0 +1,123 @@
/*
* Copyright (c) 2013-2020, Huawei Technologies Co., Ltd. All rights reserved.
* Copyright (c) 2020, Huawei Device Co., Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _LOS_HW_H
#define _LOS_HW_H
#include "los_typedef.h"
#ifdef __cplusplus
#if __cplusplus
extern "C" {
#endif /* __cplusplus */
#endif /* __cplusplus */
/**
* @ingroup los_hw
* The initialization value of stack space.
*/
#define EMPTY_STACK 0xCACA
/**
* @ingroup los_hw
* Check task schedule.
*/
#define LOS_CHECK_SCHEDULE ((!g_losTaskLock) && (!OS_INT_ACTIVE))
/**
* @ingroup los_hw
* @brief Wait for interrupt.
*
* @par Description:
* <ul>
* <li>This API is used to suspend execution until interrupt or a debug request occurs.</li>
* </ul>
* @attention None.
*
* @param None.
*
* @retval: None.
*
* @par Dependency:
* los_hw.h: the header file that contains the API declaration.
* @see None.
* @since Huawei LiteOS V200R002C00
*/
extern VOID wfi(VOID);
/**
* @ingroup los_hw
* @brief: mem fence function.
*
* @par Description:
* This API is used to fence for memory.
*
* @attention:
* <ul><li>None.</li></ul>
*
* @param: None.
*
* @retval:None.
* @par Dependency:
* <ul><li>los_hw.h: the header file that contains the API declaration.</li></ul>
* @see None.
* @since Huawei LiteOS V200R002C00
*/
extern VOID mb(VOID);
/**
* @ingroup los_hw
* @brief: mem fence function.
*
* @par Description:
* This API is same as mb, it just for adaptation.
*
* @attention:
* <ul><li>None.</li></ul>
*
* @param: None.
*
* @retval:None.
* @par Dependency:
* <ul><li>los_hw.h: the header file that contains the API declaration.</li></ul>
* @see None.
* @since Huawei LiteOS V200R002C00
*/
extern VOID dsb(VOID);
extern VOID LOS_GetCpuCycle(UINT32 *cntHi, UINT32 *cntLo);
#ifdef __cplusplus
#if __cplusplus
}
#endif /* __cplusplus */
#endif /* __cplusplus */
#endif /* _LOS_HW_H */

View File

@ -0,0 +1,386 @@
/*
* Copyright (c) 2013-2020, Huawei Technologies Co., Ltd. All rights reserved.
* Copyright (c) 2020, Huawei Device Co., Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _LOS_HWI_H
#define _LOS_HWI_H
#include "securec.h"
#include "los_printf.h"
#ifdef __cplusplus
#if __cplusplus
extern "C" {
#endif /* __cplusplus */
#endif /* __cplusplus */
/**
* @ingroup los_hwi
* Define the type of a hardware interrupt number.
*/
typedef UINT32 HWI_HANDLE_T;
/**
* @ingroup los_hwi
* Define the type of a hardware interrupt priority.
*/
typedef UINT16 HWI_PRIOR_T;
/**
* @ingroup los_hwi
* Define the type of hardware interrupt mode configurations.
*/
typedef UINT16 HWI_MODE_T;
/**
* @ingroup los_hwi
* Define the type of the parameter used for the hardware interrupt creation function.
* The function of this parameter varies among platforms.
*/
typedef UINT32 HWI_ARG_T;
/**
* @ingroup los_hwi
* Define the type of a hardware interrupt handling function.
*/
typedef VOID (*HWI_PROC_FUNC)(UINTPTR);
/**
* @ingroup los_hwi
* Define the type of a hardware interrupt vector table function.
*/
typedef VOID (**HWI_VECTOR_FUNC)(VOID);
/*
* These flags used only by the kernel as part of the
* irq handling routines.
*
* IRQF_SHARED - allow sharing the irq among several devices
*/
#define IRQF_SHARED 0x8000
/**
* @ingroup los_hwi
* Define the type of a hardware interrupt vector table function.
*/
typedef struct tagHwiHandleForm {
HWI_PROC_FUNC pfnHook;
HWI_ARG_T uwParam;
UINTPTR uwreserved;
} HWI_HANDLE_FORM_S;
typedef UINTPTR HWI_IRQ_PARAM_S;
extern UINT32 g_intCount;
/**
* @ingroup los_hwi
* An interrupt is active.
*/
#define OS_INT_ACTIVE (g_intCount > 0)
/**
* @ingroup los_hwi
* An interrupt is inactive.
*/
#define OS_INT_INACTIVE (!(OS_INT_ACTIVE))
/**
* @ingroup los_hwi
* Hardware interrupt error code: Invalid interrupt number.
*
* Value: 0x02000900
*
* Solution: Ensure that the interrupt number is valid. The value range of the interrupt number applicable
* for a risc-v platform is [0, OS_RISCV_VECTOR_CNT].
*/
#define OS_ERRNO_HWI_NUM_INVALID LOS_ERRNO_OS_ERROR(LOS_MOD_HWI, 0x00)
/**
* @ingroup los_hwi
* Hardware interrupt error code: Null hardware interrupt handling function.
*
* Value: 0x02000901
*
* Solution: Pass in a valid non-null hardware interrupt handling function.
*/
#define OS_ERRNO_HWI_PROC_FUNC_NULL LOS_ERRNO_OS_ERROR(LOS_MOD_HWI, 0x01)
/**
* @ingroup los_hwi
* Hardware interrupt error code: Insufficient interrupt resources for hardware interrupt creation.
*
* Value: 0x02000902
*
* Solution: Increase the configured maximum number of supported hardware interrupts.
*/
#define OS_ERRNO_HWI_CB_UNAVAILABLE LOS_ERRNO_OS_ERROR(LOS_MOD_HWI, 0x02)
/**
* @ingroup los_hwi
* Hardware interrupt error code: Insufficient memory for hardware interrupt initialization.
*
* Value: 0x02000903
*
* Solution: Expand the configured memory.
*/
#define OS_ERRNO_HWI_NO_MEMORY LOS_ERRNO_OS_ERROR(LOS_MOD_HWI, 0x03)
/**
* @ingroup los_hwi
* Hardware interrupt error code: The interrupt has already been created.
*
* Value: 0x02000904
*
* Solution: Check whether the interrupt specified by the passed-in interrupt number has already been created.
*/
#define OS_ERRNO_HWI_ALREADY_CREATED LOS_ERRNO_OS_ERROR(LOS_MOD_HWI, 0x04)
/**
* @ingroup los_hwi
* Hardware interrupt error code: Invalid interrupt priority.
*
* Value: 0x02000905
*
* Solution: Ensure that the interrupt priority is valid.
*/
#define OS_ERRNO_HWI_PRIO_INVALID LOS_ERRNO_OS_ERROR(LOS_MOD_HWI, 0x05)
/**
* @ingroup los_hwi
* Hardware interrupt error code: Incorrect interrupt creation mode.
*
* Value: 0x02000906
*
* Solution: The interrupt creation mode can be only set to OS_HWI_MODE_COMM or OS_HWI_MODE_FAST of which the
* value can be 0 or 1.
*/
#define OS_ERRNO_HWI_MODE_INVALID LOS_ERRNO_OS_ERROR(LOS_MOD_HWI, 0x06)
/**
* @ingroup los_hwi
* Hardware interrupt error code: The interrupt has already been created as a fast interrupt.
*
* Value: 0x02000907
*
* Solution: Check whether the interrupt specified by the passed-in interrupt number has already been created.
*/
#define OS_ERRNO_HWI_FASTMODE_ALREADY_CREATED LOS_ERRNO_OS_ERROR(LOS_MOD_HWI, 0x07)
/**
* @ingroup los_hwi
* Hardware interrupt error code: The API is called during an interrupt, which is forbidden.
*
* Value: 0x02000908
*
* * Solution: Do not call the API during an interrupt.
*/
#define OS_ERRNO_HWI_INTERR LOS_ERRNO_OS_ERROR(LOS_MOD_HWI, 0x08)
/**
* @ingroup los_hwi
* Hardware interrupt error code:the hwi support SHARED error.
*
* Value: 0x02000909
*
* * Solution:check the input params hwiMode and irqParam of LOS_HwiCreate or LOS_HwiDelete whether adapt the current
* hwi.
*/
#define OS_ERRNO_HWI_SHARED_ERROR LOS_ERRNO_OS_ERROR(LOS_MOD_HWI, 0x09)
/**
* @ingroup los_hwi
* Hardware interrupt error code:Invalid interrupt Arg when interrupt mode is IRQF_SHARED.
*
* Value: 0x0200090a
*
* * Solution:check the interrupt Arg, Arg should not be NULL and pDevId should not be NULL.
*/
#define OS_ERRNO_HWI_ARG_INVALID LOS_ERRNO_OS_ERROR(LOS_MOD_HWI, 0x0a)
/**
* @ingroup los_hwi
* Hardware interrupt error code:The interrupt corresponded to the hwi number or devid has not been created.
*
* Value: 0x0200090b
*
* * Solution:check the hwi number or devid, make sure the hwi number or devid need to delete.
*/
#define OS_ERRNO_HWI_HWINUM_UNCREATE LOS_ERRNO_OS_ERROR(LOS_MOD_HWI, 0x0b)
/**
* @ingroup los_hwi
* @brief Create a hardware interrupt.
*
* @par Description:
* This API is used to configure a hardware interrupt and register a hardware interrupt handling function.
*
* @attention
* <ul>
* <li>The hardware interrupt module is usable only when the configuration item for hardware interrupt tailoring
* is enabled.</li>
* <li>Hardware interrupt number value range: [OS_HWI_MIN,OS_HWI_MAX]. The value range applicable for a riscv
* platform is [0, OS_HWI_MAX_NUM].</li>
* <li>OS_HWI_MAX_NUM specifies the maximum number of interrupts that can be created.</li>
* <li>Before executing an interrupt on a platform, refer to the chip manual of the platform.</li>
* </ul>
*
* @param hwiNum [IN] Type#HWI_HANDLE_T: hardware interrupt number. The value range applicable for a riscv
* platform is [0, OS_HWI_MAX_NUM].
* @param hwiPrio [IN] Type#HWI_PRIOR_T: hardware interrupt priority. Ignore this parameter temporarily.
* @param hwiMode [IN] Type#HWI_MODE_T: hardware interrupt mode. Ignore this parameter temporarily.
* @param hwiHandler [IN] Type#HWI_PROC_FUNC: interrupt handler used when a hardware interrupt is triggered.
* @param irqParam [IN] Type#HWI_IRQ_PARAM_S: input parameter of the interrupt handler used when a hardware
* interrupt is triggered.
*
* @retval #OS_ERRNO_HWI_PROC_FUNC_NULL 0x02000901: Null hardware interrupt handling function.
* @retval #OS_ERRNO_HWI_NUM_INVALID 0x02000900: Invalid interrupt number.
* @retval #OS_ERRNO_HWI_NO_MEMORY 0x02000903: Insufficient memory for hardware interrupt creation.
* @retval #OS_ERRNO_HWI_ALREADY_CREATED 0x02000904: The interrupt handler being created has already been
* created.
* @retval #LOS_OK 0 : The interrupt is successfully created.
* @par Dependency:
* <ul><li>los_hwi.h: the header file that contains the API declaration.</li></ul>
* @see None.
* @since Huawei LiteOS V200R003C00
*/
extern UINT32 LOS_HwiCreate(HWI_HANDLE_T hwiNum,
HWI_PRIOR_T hwiPrio,
HWI_MODE_T hwiMode,
HWI_PROC_FUNC hwiHandler,
HWI_IRQ_PARAM_S irqParam);
/**
* @ingroup los_hwi
* @brief Enable all interrupts.
*
* @par Description:
* <ul>
* <li>This API is used to enable all IRQ and FIQ interrupts in the CPSR.</li>
* </ul>
* @attention
* <ul>
* <li>None.</li>
* </ul>
*
* @param None.
*
* @retval CPSR value obtained after all interrupts are enabled.
* @par Dependency:
* <ul><li>los_hwi.h: the header file that contains the API declaration.</li></ul>
* @see LOS_IntRestore
* @since Huawei LiteOS V200R003C00
*/
extern UINT32 LOS_IntUnLock(VOID);
/**
* @ingroup los_hwi
* @brief Disable all interrupts.
*
* @par Description:
* <ul>
* <li>This API is used to disable all IRQ and FIQ interrupts in the CPSR.</li>
* </ul>
* @attention
* <ul>
* <li>None.</li>
* </ul>
*
* @param None.
*
* @retval CPSR value obtained before all interrupts are disabled.
* @par Dependency:
* <ul><li>los_hwi.h: the header file that contains the API declaration.</li></ul>
* @see LOS_IntRestore
* @since Huawei LiteOS V200R003C00
*/
extern UINT32 LOS_IntLock(VOID);
/**
* @ingroup los_hwi
* @brief Restore interrupts.
*
* @par Description:
* <ul>
* <li>This API is used to restore the CPSR value obtained before all interrupts are disabled.</li>
* </ul>
* @attention
* <ul>
* <li>This API can be called only after all interrupts are disabled, and the input parameter value should be the
* value returned by calling the all interrupt disabling API.</li>
* </ul>
*
* @param intSave [IN] CPSR value obtained before all interrupts are disabled.
*
* @retval None.
* @par Dependency:
* <ul><li>los_hwi.h: the header file that contains the API declaration.</li></ul>
* @see LOS_IntLock
* @since Huawei LiteOS V200R003C00
*/
extern VOID LOS_IntRestore(UINT32 intSave);
/**
* @ingroup los_hwi
* @brief Delete hardware interrupt.
*
* @par Description:
* This API is used to delete hardware interrupt.
*
* @attention
* <ul>
* <li>The hardware interrupt module is usable only when the configuration item for hardware interrupt tailoring
* is enabled.</li>
* <li>Hardware interrupt number value range: [OS_HWI_MIN, OS_HWI_MAX]. The value range applicable for a riscv
* platform is [0, OS_HWI_MAX_NUM].</li>
* <li>OS_HWI_MAX_NUM specifies the maximum number of interrupts that can be created.</li>
* <li>Before executing an interrupt on a platform, refer to the chip manual of the platform.</li>
* </ul>
*
* @param hwiNum [IN] Type#HWI_HANDLE_T: hardware interrupt number. The value range applicable for a riscv
* platform is [0, OS_HWI_MAX_NUM].
* @param irqParam [IN] Type#HWI_IRQ_PARAM_S: id of hardware interrupt which will base on when delete the hardware
* interrupt.
*
* @retval #OS_ERRNO_HWI_NUM_INVALID 0x02000900: Invalid interrupt number.
* @retval #LOS_OK 0: The interrupt is successfully delete.
* @par Dependency:
* <ul><li>los_hwi.h: the header file that contains the API declaration.</li></ul>
* @see None.
* @since Huawei LiteOS V200R003C00
*/
extern UINT32 LOS_HwiDelete(HWI_HANDLE_T hwiNum, HWI_IRQ_PARAM_S irqParam);
#ifdef __cplusplus
#if __cplusplus
}
#endif /* __cplusplus */
#endif /* __cplusplus */
#endif /* _LOS_HWI_H */

View File

@ -0,0 +1,112 @@
/*
* Copyright (c) 2013-2020, Huawei Technologies Co., Ltd. All rights reserved.
* Copyright (c) 2020, Huawei Device Co., Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _SOC_COMMON_H
#define _SOC_COMMON_H
#define LREG lw
#define SREG sw
#define REGBYTES 4
#define EXC_SIZE_ON_STACK (36 * REGBYTES)
#define INT_SIZE_ON_STACK (32 * REGBYTES)
/* task TCB offset */
#define TASK_CB_KERNEL_SP 0x0
#define TASK_CB_STATUS 0x4
#define UINT32_CUT_MASK 0xFFFFFFFF
#define UINT8_CUT_MASK 0xFF
#define OS_MV_32_BIT 32
/************************ mstatus ************************/
#define RISCV_MSTATUS_UIE 0x00000001
#define RISCV_MSTATUS_MIE 0x00000004
#define RISCV_MSTATUS_UPIE 0x00000010
#define RISCV_MSTATUS_MPIE 0x00000080
#define RISCV_MSTATUS_MPP 0x00001800
/************************ mie ***************************/
#define RISCV_MIE_USIE 0x000000001
#define RISCV_MIE_MSIE 0x000000004
#define RISCV_MIE_UTIE 0x000000010
#define RISCV_MIE_MTIE 0x000000080
#define RISCV_MIE_UEIE 0x000000100
#define RISCV_MIE_MEIE 0x000000800
/************************** mcause ***********************/
#define RISCV_MCAUSE_ECALL_U 8
#define RISCV_USER_SOFT_IRQ 0
#define RISCV_MACH_SOFT_IRQ 3
#define RISCV_USER_TIMER_IRQ 4
#define RISCV_MACH_TIMER_IRQ 7
#define RISCV_USER_EXT_IRQ 8
#define RISCV_MACH_EXT_IRQ 11
#define READ_CSR(reg) ({ \
UINT32 _tmp; \
__asm__ volatile("csrr %0, " #reg : "=r"(_tmp) : : "memory"); \
_tmp; \
})
#define WRITE_CSR(reg, val) ({ \
__asm__ volatile("csrw " #reg ", %0" : : "r"(val) : "memory"); \
})
#define SET_CSR(reg, val) ({ \
__asm__ volatile("csrs " #reg ", %0" : : "r"(val) : "memory"); \
})
#define CLEAR_CSR(reg, val) ({ \
__asm__ volatile("csrc " #reg ", %0" : : "r"(val) : "memory"); \
})
#define READ_CUSTOM_CSR(reg) ({ \
UINT32 _tmp; \
__asm__ volatile("csrr %0, %1" : "=r"(_tmp) : "i"(reg) : "memory"); \
_tmp; \
})
#define WRITE_CUSTOM_CSR(reg, val) ({ \
__asm__ volatile("csrw %0, %1" : : "i"(reg), "r"(val) : "memory"); \
})
#define SET_CUSTOM_CSR(reg, val) ({ \
__asm__ volatile("csrs " #reg ", %0" : : "r"(val) : "memory"); \
})
#define CLEAR_CUSTOM_CSR(reg, val) ({ \
__asm__ volatile("csrc " #reg ", %0" : : "r"(val) : "memory"); \
})
#endif

View File

@ -0,0 +1,67 @@
/*
* Copyright (c) 2013-2020, Huawei Technologies Co., Ltd. All rights reserved.
* Copyright (c) 2020, Huawei Device Co., Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _LOS_EXC_PRI_H
#define _LOS_EXC_PRI_H
#include "los_typedef.h"
#include "los_hw_pri.h"
#ifdef __cplusplus
#if __cplusplus
extern "C" {
#endif /* __cplusplus */
#endif /* __cplusplus */
extern VOID BackTraceSub(UINT32 fp);
typedef struct {
UINT32 mcause;
UINT32 mtval;
UINT32 medeleg;
UINT32 gp;
TaskContext taskContext;
} LosExcContext;
typedef struct {
UINT16 nestCnt;
UINT16 type;
UINT32 thrID;
LosExcContext *context;
} LosExcInfo;
#ifdef __cplusplus
#if __cplusplus
}
#endif /* __cplusplus */
#endif /* __cplusplus */
#endif /* _LOS_EXC_PRI_H */

View File

@ -0,0 +1,129 @@
/*
* Copyright (c) 2013-2020, Huawei Technologies Co., Ltd. All rights reserved.
* Copyright (c) 2020, Huawei Device Co., Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _LOS_HW_PRI_H
#define _LOS_HW_PRI_H
#include "los_hw.h"
#ifdef __cplusplus
#if __cplusplus
extern "C" {
#endif /* __cplusplus */
#endif /* __cplusplus */
#define TP_INIT_VALUE 0x02020202L
#define SP_INIT_VALUE 0x03030303L
#define S11_INIT_VALUE 0x04040404L
#define S10_INIT_VALUE 0x05050505L
#define S9_INIT_VALUE 0x06060606L
#define S8_INIT_VALUE 0x07070707L
#define S7_INIT_VALUE 0x08080808L
#define S6_INIT_VALUE 0x09090909L
#define S5_INIT_VALUE 0x10101010L
#define S4_INIT_VALUE 0x11111111L
#define S3_INIT_VALUE 0x12121212L
#define S2_INIT_VALUE 0x13131313L
#define S1_INIT_VALUE 0x14141414L
#define FP_INIT_VALUE 0x15151515L
#define T6_INIT_VALUE 0x16161616L
#define T5_INIT_VALUE 0x17171717L
#define T4_INIT_VALUE 0x18181818L
#define T3_INIT_VALUE 0x19191919L
#define A7_INIT_VALUE 0x20202020L
#define A6_INIT_VALUE 0x21212121L
#define A5_INIT_VALUE 0x22222222L
#define A4_INIT_VALUE 0x23232323L
#define A3_INIT_VALUE 0x24242424L
#define A2_INIT_VALUE 0x25252525L
#define A1_INIT_VALUE 0x26262626L
#define T2_INIT_VALUE 0x28282828L
#define T1_INIT_VALUE 0x29292929L
#define T0_INIT_VALUE 0x30303030L
/**
* @ingroup los_hw
* Define the type of a task context control block.
*/
typedef struct {
UINT32 sp;
UINT32 tp;
UINT32 t6;
UINT32 t5;
UINT32 t4;
UINT32 t3;
UINT32 t2;
UINT32 t1;
UINT32 t0;
UINT32 s11;
UINT32 s10;
UINT32 s9;
UINT32 s8;
UINT32 s7;
UINT32 s6;
UINT32 s5;
UINT32 mstatus;
UINT32 mepc;
UINT32 a7;
UINT32 a6;
UINT32 a5;
UINT32 a4;
UINT32 a3;
UINT32 a2;
UINT32 a1;
UINT32 a0;
UINT32 s4;
UINT32 s3;
UINT32 s2;
UINT32 s1;
UINT32 s0;
UINT32 ra;
} TaskContext;
STATIC INLINE UINTPTR GetSP(VOID)
{
UINTPTR spSave;
__asm__ __volatile__("mv %0, sp" : "=r"(spSave));
return spSave;
}
extern VOID *OsTskStackInit(UINT32 taskID, UINT32 stackSize, VOID *topStack);
extern VOID OsTaskScheduleCheck(VOID);
extern VOID OsDisableIRQ(VOID);
extern VOID OsEnableIRQ(VOID);
#ifdef __cplusplus
#if __cplusplus
}
#endif /* __cplusplus */
#endif /* __cplusplus */
#endif /* _LOS_HW_PRI_H */

View File

@ -0,0 +1,53 @@
/*
* Copyright (c) 2013-2020, Huawei Technologies Co., Ltd. All rights reserved.
* Copyright (c) 2020, Huawei Device Co., Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _LOS_HW_TICK_PRI_H
#define _LOS_HW_TICK_PRI_H
#include "los_typedef.h"
#ifdef __cplusplus
#if __cplusplus
extern "C" {
#endif /* __cplusplus */
#endif /* __cplusplus */
#define TICK_INTERRUPT_PRI 0x1
extern UINT32 g_cyclesPerTick;
#ifdef __cplusplus
#if __cplusplus
}
#endif /* __cplusplus */
#endif /* __cplusplus */
#endif /* _LOS_HW_TICK_PRI_H */

View File

@ -0,0 +1,135 @@
/*
* Copyright (c) 2013-2020, Huawei Technologies Co., Ltd. All rights reserved.
* Copyright (c) 2020, Huawei Device Co., Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _LOS_HWI_PRI_H
#define _LOS_HWI_PRI_H
#include "soc.h"
#include "los_hwi.h"
#ifdef __cplusplus
#if __cplusplus
extern "C" {
#endif /* __cplusplus */
#endif /* __cplusplus */
/**
* @ingroup los_hwi
* The hwi form does not contain exceptions for cortex-A
*/
#define OS_HWI_FORM_EXC_NUM 0
#if OS_HWI_FORM_EXC_NUM != 0
#error "OS_HWI_FORM_EXC_NUM must be zero"
#endif
/**
* @ingroup los_hwi
* Highest priority of a hardware interrupt.
*/
#define OS_HWI_PRIO_HIGHEST 7
/**
* @ingroup los_hwi
* Lowest priority of a hardware interrupt.
*/
#define OS_HWI_PRIO_LOWEST 1
/**
* @ingroup los_hwi
* Count of HimiDeer system interrupt vector.
*/
#define OS_RISCV_SYS_VECTOR_CNT (RISCV_SYS_MAX_IRQ + 1)
/**
* @ingroup los_hwi
* Count of HimiDeer local interrupt vector 0 - 5, enabled by CSR mie 26 -31 bit.
*/
#define OS_RISCV_MIE_IRQ_VECTOR_CNT 6
/**
* @ingroup los_hwi
* Count of HimiDeer local interrupt vector 6 - 31, enabled by custom CSR locie0 0 - 25 bit.
*/
#define OS_RISCV_CUSTOM_IRQ_VECTOR_CNT RISCV_PLIC_VECTOR_CNT
/**
* @ingroup los_hwi
* Count of HimiDeer local IRQ interrupt vector.
*/
#define OS_RISCV_LOCAL_IRQ_VECTOR_CNT (OS_RISCV_MIE_IRQ_VECTOR_CNT + OS_RISCV_SYS_VECTOR_CNT)
/**
* @ingroup los_hwi
* Count of himideer interrupt vector.
*/
#define OS_RISCV_VECTOR_CNT (OS_RISCV_SYS_VECTOR_CNT + OS_RISCV_CUSTOM_IRQ_VECTOR_CNT)
/**
* Maximum number of supported hardware devices that generate hardware interrupts.
* The maximum number of hardware devices that generate hardware interrupts supported by hi3518ev200 is 32.
*/
#define OS_HWI_MAX_NUM OS_RISCV_VECTOR_CNT
/**
* Maximum interrupt number.
*/
#define OS_HWI_MAX ((OS_HWI_MAX_NUM) - 1)
/**
* Minimum interrupt number.
*/
#define OS_HWI_MIN 0
/**
* Maximum usable interrupt number.
*/
#define OS_USER_HWI_MAX OS_HWI_MAX
/**
* Minimum usable interrupt number.
*/
#define OS_USER_HWI_MIN OS_HWI_MIN
extern HWI_HANDLE_FORM_S g_hwiForm[OS_HWI_MAX_NUM];
extern VOID OsHwiInit(VOID);
extern UINT32 OsGetHwiFormCnt(HWI_HANDLE_T hwiNum);
extern HWI_HANDLE_FORM_S *OsGetHwiForm(VOID);
extern VOID OsHwiInterruptDone(HWI_HANDLE_T hwiNum);
extern VOID OsHwiDefaultHandler(UINTPTR arg);
#ifdef __cplusplus
#if __cplusplus
}
#endif /* __cplusplus */
#endif /* __cplusplus */
#endif /* _LOS_HWI_PRI_H */

View File

@ -0,0 +1,253 @@
/*
* Copyright (c) 2013-2020, Huawei Technologies Co., Ltd. All rights reserved.
* Copyright (c) 2020, Huawei Device Co., Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "soc.h"
.global LOS_IntLock
.global LOS_IntUnLock
.global LOS_IntRestore
.global LOS_StartToRun
.global osTaskSchedule
.global OsDisableIRQ
.global TaskSwitch
.extern __irq_stack_top
.extern OsTaskScheduleCheck
.extern printk
.equ OS_TASK_STATUS_RUNNING, 0x0010
.equ OS_TASK_STATUS_NOT_RUNNING, 0xFFEF
.section .interrupt.text
.macro PUSH_CALLER_REG
addi sp, sp, -(32 * REGBYTES)
SREG t6, 2 * REGBYTES(sp)
SREG t5, 3 * REGBYTES(sp)
SREG t4, 4 * REGBYTES(sp)
SREG t3, 5 * REGBYTES(sp)
SREG t2, 6 * REGBYTES(sp)
SREG t1, 7 * REGBYTES(sp)
SREG t0, 8 * REGBYTES(sp)
SREG a7, 18 * REGBYTES(sp)
SREG a6, 19 * REGBYTES(sp)
SREG a5, 20 * REGBYTES(sp)
SREG a4, 21 * REGBYTES(sp)
SREG a3, 22 * REGBYTES(sp)
SREG a2, 23 * REGBYTES(sp)
SREG a1, 24 * REGBYTES(sp)
SREG a0, 25 * REGBYTES(sp)
SREG ra, 31 * REGBYTES(sp)
.endm
.macro POP_CALLER_REG
LREG t6, 2 * REGBYTES(sp)
LREG t5, 3 * REGBYTES(sp)
LREG t4, 4 * REGBYTES(sp)
LREG t3, 5 * REGBYTES(sp)
LREG t2, 6 * REGBYTES(sp)
LREG t1, 7 * REGBYTES(sp)
LREG t0, 8 * REGBYTES(sp)
LREG a7, 18 * REGBYTES(sp)
LREG a6, 19 * REGBYTES(sp)
LREG a5, 20 * REGBYTES(sp)
LREG a4, 21 * REGBYTES(sp)
LREG a3, 22 * REGBYTES(sp)
LREG a2, 23 * REGBYTES(sp)
LREG a1, 24 * REGBYTES(sp)
LREG a0, 25 * REGBYTES(sp)
LREG ra, 31 * REGBYTES(sp)
addi sp, sp, 32 * REGBYTES
.endm
.macro PUSH_CALLEE_REG
SREG s11, 9 * REGBYTES(sp)
SREG s10, 10 * REGBYTES(sp)
SREG s9, 11 * REGBYTES(sp)
SREG s8, 12 * REGBYTES(sp)
SREG s7, 13 * REGBYTES(sp)
SREG s6, 14 * REGBYTES(sp)
SREG s5, 15 * REGBYTES(sp)
SREG s4, 26 * REGBYTES(sp)
SREG s3, 27 * REGBYTES(sp)
SREG s2, 28 * REGBYTES(sp)
SREG s1, 29 * REGBYTES(sp)
SREG s0, 30 * REGBYTES(sp)
.endm
.macro POP_ALL_REG
LREG t6, 2 * REGBYTES(sp)
LREG t5, 3 * REGBYTES(sp)
LREG t4, 4 * REGBYTES(sp)
LREG t3, 5 * REGBYTES(sp)
LREG t2, 6 * REGBYTES(sp)
LREG t1, 7 * REGBYTES(sp)
LREG t0, 8 * REGBYTES(sp)
LREG s11, 9 * REGBYTES(sp)
LREG s10, 10 * REGBYTES(sp)
LREG s9, 11 * REGBYTES(sp)
LREG s8, 12 * REGBYTES(sp)
LREG s7, 13 * REGBYTES(sp)
LREG s6, 14 * REGBYTES(sp)
LREG s5, 15 * REGBYTES(sp)
LREG a7, 18 * REGBYTES(sp)
LREG a6, 19 * REGBYTES(sp)
LREG a5, 20 * REGBYTES(sp)
LREG a4, 21 * REGBYTES(sp)
LREG a3, 22 * REGBYTES(sp)
LREG a2, 23 * REGBYTES(sp)
LREG a1, 24 * REGBYTES(sp)
LREG a0, 25 * REGBYTES(sp)
LREG s4, 26 * REGBYTES(sp)
LREG s3, 27 * REGBYTES(sp)
LREG s2, 28 * REGBYTES(sp)
LREG s1, 29 * REGBYTES(sp)
LREG s0, 30 * REGBYTES(sp)
LREG ra, 31 * REGBYTES(sp)
addi sp, sp, 32 * REGBYTES
.endm
LOS_StartToRun:
// disable interrupts
csrci mstatus, RISCV_MSTATUS_MIE
// indicate that sheduler is ON by setting g_taskScheduled=1
la t0, g_taskScheduled
li t1, 0x1
sw t1, 0x0(t0)
j SwitchNewTask
osTaskSchedule:
li t0, RISCV_MSTATUS_MIE | RISCV_MSTATUS_MPIE
csrrc a1, mstatus, t0
la t0, g_losTask
lw t1, 0(t0)
lw t2, 4(t0)
bne t1, t2, 1f
csrw mstatus, a1
ret
1:
addi sp, sp, -(32 * REGBYTES)
andi a1, a1, RISCV_MSTATUS_MIE
ori a1, a1, 0x180
slli a1, a1, 0x4
csrs mstatus, a1
csrw mepc, ra
j SaveContextAndSwitchTask
TaskSwitch:
la t0, g_losTaskLock
lw t1, 0(t0)
bgtz t1, NotSwitch
la t0, g_losTask
lw t1, 0(t0)
lw t2, 4(t0)
beq t1, t2, NotSwitch
// stack pointer was passed by entry.s in register a2. store it in runTask structure
csrr sp, mscratch
SaveContextAndSwitchTask:
csrr t0, mstatus
SREG t0, 16 * REGBYTES(sp)
csrr t0, mepc
SREG t0, 17 * REGBYTES(sp)
PUSH_CALLEE_REG
// Clear the task running bit of runTask.
lh t2, TASK_CB_STATUS(t1)
li t0, OS_TASK_STATUS_NOT_RUNNING
and t2, t2, t0
sh t2, TASK_CB_STATUS(t1)
sw sp, TASK_CB_KERNEL_SP(t1)
call OsTaskScheduleCheck
SwitchNewTask:
// copy newTask into runTask
la t0, g_losTask
lw t1, 0x4(t0)
sw t1, 0x0(t0)
// set the task running bit=1
lh t2, TASK_CB_STATUS(t1)
ori t2, t2, OS_TASK_STATUS_RUNNING
sh t2, TASK_CB_STATUS(t1)
// retireve stack pointer
lw sp, TASK_CB_KERNEL_SP(t1)
// enable global interrupts
lw t0, 16 * REGBYTES(sp)
csrw mstatus, t0
// retrieve the address at which exception happened
lw t0, 17 * REGBYTES(sp)
csrw mepc, t0
// retrieve the registers
POP_ALL_REG
mret
NotSwitch:
csrr sp, mscratch
// retrieve the registers
POP_CALLER_REG
mret
.section .text
OsDisableIRQ:
li t0, (RISCV_MSTATUS_MPIE | RISCV_MSTATUS_MIE) // mpie | mie
csrrc zero, mstatus, t0
ret
OsEnableIRQ:
csrsi mstatus, RISCV_MSTATUS_MIE
ret
LOS_IntLock:
csrr a0, mstatus // return value
li t0, RISCV_MSTATUS_MIE // mie
csrrc zero, mstatus, t0
ret
LOS_IntUnLock:
csrr a0, mstatus // return value
li t0, RISCV_MSTATUS_MIE // mie
csrrs zero, mstatus, t0
ret
LOS_IntRestore:
csrw mstatus, a0
ret

View File

@ -0,0 +1,276 @@
/*
* Copyright (c) 2013-2020, Huawei Technologies Co., Ltd. All rights reserved.
* Copyright (c) 2020, Huawei Device Co., Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "los_exc.h"
#include "los_exc_pri.h"
#include "los_task_pri.h"
#include "los_printf_pri.h"
#include "riscv_hal.h"
#ifdef __cplusplus
#if __cplusplus
extern "C" {
#endif /* __cplusplus */
#endif /* __cplusplus */
LosExcInfo g_excInfo;
#define RISCV_EXC_TYPE_NUM 16
const CHAR g_excInformation[RISCV_EXC_TYPE_NUM][50] = {
{ "Instruction address misaligned!" },
{ "Instruction access fault!" },
{ "Illegal instruction" },
{ "Breakpoint!" },
{ "Load address misaligned!" },
{ "Load access fault!" },
{ "Store/AMO address misaligned!" },
{ "Store/AMO access fault!" },
{ "Environment call form U-mode!" },
{ "Environment call form S-mode!" },
{ "Reserved!" },
{ "Environment call form M-mode!" },
{ "Instruction page fault!" },
{ "Load page fault!" },
{ "Reserved!" },
{ "Store/AMO page fault!" },
};
#define RA_OFFSET 4
#define FP_OFFSET 8
#define OS_MAX_BACKTRACE 15
#define FP_ALIGN(value) (((UINT32)(value) & (UINT32)(LOSCFG_STACK_POINT_ALIGN_SIZE - 1)) == 0)
#define FP_CHECK(value) (OsBackTraceFpCheck(value) && ((UINT32)(value) != FP_INIT_VALUE) && FP_ALIGN(value))
LITE_OS_SEC_TEXT VOID BackTraceSub(UINT32 fp)
{
UINT32 backFp = fp;
UINT32 tmpFp;
UINT32 backRa;
UINT32 count = 0;
while (FP_CHECK(backFp)) {
tmpFp = backFp;
backRa = *((UINT32 *)(UINTPTR)(tmpFp - RA_OFFSET));
backFp = *((UINT32 *)(UINTPTR)(tmpFp - FP_OFFSET));
PRINTK("traceback %u -- ra = 0x%x fp = 0x%x\n", count, backRa, backFp);
count++;
if ((count == OS_MAX_BACKTRACE) || (backFp == tmpFp) || \
(!OsBackTraceRaCheck(backRa))) {
break;
}
}
PRINTK("*******backtrace end*******\n");
}
LITE_OS_SEC_TEXT VOID BackTrace(UINT32 fp)
{
PRINTK("*******backtrace begin*******\n");
BackTraceSub(fp);
}
LITE_OS_SEC_TEXT static VOID OsExcBackTrace(UINT32 fp, UINT32 ra)
{
UINT32 backFp;
if (FP_CHECK(fp)) {
backFp = *((UINT32 *)(UINTPTR)(fp - RA_OFFSET));
if ((backFp != ra) && FP_CHECK(backFp)) {
fp = backFp;
}
BackTrace(fp);
} else {
PRINTK("fp error, back trace failed!\n");
}
}
LITE_OS_SEC_TEXT VOID OsTaskBackTrace(UINT32 taskID)
{
LosTaskCB *taskCB = NULL;
if (taskID >= g_taskMaxNum) {
PRINT_ERR("\r\nTask PID is invalid!\n");
return;
}
taskCB = OS_TCB_FROM_TID(taskID);
if ((taskCB->taskStatus & OS_TASK_STATUS_UNUSED) || (taskCB->taskEntry == NULL) ||
(taskCB->taskName == NULL)) {
PRINT_ERR("\r\nThe task is not created!\n");
return;
}
if (taskCB->taskStatus & OS_TASK_STATUS_RUNNING) {
OsBackTrace();
return;
}
PRINTK("taskName = %s\n", taskCB->taskName);
PRINTK("taskID = 0x%x\n", taskCB->taskID);
PRINTK("curr ra = 0x%08x\n", ((TaskContext *)(taskCB->stackPointer))->ra);
OsExcBackTrace(((TaskContext *)(taskCB->stackPointer))->s0, ((TaskContext *)(taskCB->stackPointer))->ra);
}
LITE_OS_SEC_TEXT VOID OsBackTrace(VOID)
{
UINT32 fp = GetFp();
PRINTK("taskName = %s\n", g_losTask.runTask->taskName);
PRINTK("taskID = %u\n", g_losTask.runTask->taskID);
PRINTK("curr fp = 0x%08x \n", fp);
BackTrace(fp);
}
LITE_OS_SEC_TEXT VOID LOS_Panic(const CHAR *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
PRINTK(fmt, ap);
va_end(ap);
OsDisableIRQ();
while (1) {
}
}
STATIC VOID OsDisplayTaskInfo(VOID)
{
TSK_INFO_S taskInfo;
UINT32 index;
UINT32 ret;
PRINTK("ID Pri Status name \n\r");
PRINTK("-- --- --------- ----\n\r");
for (index = 0; index < LOSCFG_BASE_CORE_TSK_LIMIT; index++) {
ret = LOS_TaskInfoGet(index, &taskInfo);
if (ret != LOS_OK) {
continue;
}
PRINTK("%d %d %s %s \n\r",
taskInfo.uwTaskID, taskInfo.usTaskPrio, OsConvertTskStatus(taskInfo.usTaskStatus), taskInfo.acName);
}
return;
}
LITE_OS_SEC_TEXT STATIC VOID OsExcInfoDisplayContext(const LosExcInfo *exc)
{
const TaskContext *taskContext = &(exc->context->taskContext);
PRINTK("mepc = 0x%x\n", taskContext->mepc);
PRINTK("mstatus = 0x%x\n", taskContext->mstatus);
PRINTK("mtval = 0x%x\n", exc->context->mtval);
PRINTK("mcause = 0x%x\n", exc->context->mcause);
PRINTK("ra = 0x%x\n", taskContext->ra);
PRINTK("sp = 0x%x\n", taskContext->sp);
PRINTK("gp = 0x%x\n", exc->context->gp);
PRINTK("tp = 0x%x\n", taskContext->tp);
PRINTK("t0 = 0x%x\n", taskContext->t0);
PRINTK("t1 = 0x%x\n", taskContext->t1);
PRINTK("t2 = 0x%x\n", taskContext->t2);
PRINTK("s0 = 0x%x\n", taskContext->s0);
PRINTK("s1 = 0x%x\n", taskContext->s1);
PRINTK("a0 = 0x%x\n", taskContext->a0);
PRINTK("a1 = 0x%x\n", taskContext->a1);
PRINTK("a2 = 0x%x\n", taskContext->a2);
PRINTK("a3 = 0x%x\n", taskContext->a3);
PRINTK("a4 = 0x%x\n", taskContext->a4);
PRINTK("a5 = 0x%x\n", taskContext->a5);
PRINTK("a6 = 0x%x\n", taskContext->a6);
PRINTK("a7 = 0x%x\n", taskContext->a7);
PRINTK("s2 = 0x%x\n", taskContext->s2);
PRINTK("s3 = 0x%x\n", taskContext->s3);
PRINTK("s4 = 0x%x\n", taskContext->s4);
PRINTK("s5 = 0x%x\n", taskContext->s5);
PRINTK("s6 = 0x%x\n", taskContext->s6);
PRINTK("s7 = 0x%x\n", taskContext->s7);
PRINTK("s8 = 0x%x\n", taskContext->s8);
PRINTK("s9 = 0x%x\n", taskContext->s9);
PRINTK("s10 = 0x%x\n", taskContext->s10);
PRINTK("s11 = 0x%x\n", taskContext->s11);
PRINTK("t3 = 0x%x\n", taskContext->t3);
PRINTK("t4 = 0x%x\n", taskContext->t4);
PRINTK("t5 = 0x%x\n", taskContext->t5);
PRINTK("t6 = 0x%x\n", taskContext->t6);
OsExcBackTrace(taskContext->s0, taskContext->ra);
}
LITE_OS_SEC_TEXT VOID OsExcInfoDisplay(const LosExcContext *excBufAddr)
{
g_excInfo.type = excBufAddr->mcause;
g_excInfo.context = (LosExcContext *)excBufAddr;
PRINTK("\r\nException Information \n\r");
if (excBufAddr->mcause < RISCV_EXC_TYPE_NUM) {
PRINTK("Exc type : Oops - %s\n\r", g_excInformation[excBufAddr->mcause]);
} else {
PRINTK("Exc type : Oops - Invalid\n\r");
}
PRINTK("taskName = %s\n\r", g_losTask.runTask->taskName);
PRINTK("taskID = %u\n\r", g_losTask.runTask->taskID);
PRINTK("system mem addr:0x%x\n\r", (UINTPTR)OS_SYS_MEM_ADDR);
OsExcInfoDisplayContext(&g_excInfo);
}
VOID OsExcEntry(const LosExcContext *excBufAddr)
{
if (g_excInfo.nestCnt > 2) {
PRINTK("hard faule!\n\r");
goto SYSTEM_DEATH;
}
OsExcInfoDisplay(excBufAddr);
PRINTK("----------------All Task infomation ------------\n\r");
OsDisplayTaskInfo();
SYSTEM_DEATH:
while (1) {
}
}
/* stack protector */
UINT32 __stack_chk_guard = 0xd00a0dff;
VOID __stack_chk_fail(VOID)
{
/* __builtin_return_address is a builtin function, building in gcc */
LOS_Panic("stack-protector: Kernel stack is corrupted in: %p\n",
__builtin_return_address(0));
}
#ifdef __cplusplus
#if __cplusplus
}
#endif /* __cplusplus */
#endif /* __cplusplus */

View File

@ -0,0 +1,127 @@
/*
* Copyright (c) 2013-2020, Huawei Technologies Co., Ltd. All rights reserved.
* Copyright (c) 2020, Huawei Device Co., Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "los_hw.h"
#include "los_hw_pri.h"
#include "los_task_pri.h"
#include "los_memory.h"
#include "los_priqueue_pri.h"
#include "soc.h"
#ifdef __cplusplus
#if __cplusplus
extern "C" {
#endif /* __cplusplus */
#endif /* __cplusplus */
LITE_OS_SEC_TEXT_MINOR VOID OsTaskExit(VOID)
{
OsDisableIRQ();
while (1) {
}
}
LITE_OS_SEC_TEXT_INIT VOID *OsTskStackInit(UINT32 taskID, UINT32 stackSize, VOID *topStack)
{
UINT32 index;
TaskContext *context = NULL;
/* initialize the task stack, write magic num to stack top */
for (index = 1; index < (stackSize / sizeof(UINT32)); index++) {
*((UINT32 *)topStack + index) = OS_TASK_STACK_INIT;
}
*((UINT32 *)(topStack)) = OS_TASK_MAGIC_WORD;
context = (TaskContext *)(((UINTPTR)topStack + stackSize) - sizeof(TaskContext));
context->mstatus = RISCV_MSTATUS_MPP | RISCV_MSTATUS_MPIE;
context->mepc = (UINT32)(UINTPTR)OsTaskEntry;
context->tp = TP_INIT_VALUE;
context->sp = SP_INIT_VALUE;
context->s11 = S11_INIT_VALUE;
context->s10 = S10_INIT_VALUE;
context->s9 = S9_INIT_VALUE;
context->s8 = S8_INIT_VALUE;
context->s7 = S7_INIT_VALUE;
context->s6 = S6_INIT_VALUE;
context->s5 = S5_INIT_VALUE;
context->s4 = S4_INIT_VALUE;
context->s3 = S3_INIT_VALUE;
context->s2 = S2_INIT_VALUE;
context->s1 = S1_INIT_VALUE;
context->s0 = FP_INIT_VALUE;
context->t6 = T6_INIT_VALUE;
context->t5 = T5_INIT_VALUE;
context->t4 = T4_INIT_VALUE;
context->t3 = T3_INIT_VALUE;
context->a7 = A7_INIT_VALUE;
context->a6 = A6_INIT_VALUE;
context->a5 = A5_INIT_VALUE;
context->a4 = A4_INIT_VALUE;
context->a3 = A3_INIT_VALUE;
context->a2 = A2_INIT_VALUE;
context->a1 = A1_INIT_VALUE;
context->a0 = taskID;
context->t2 = T2_INIT_VALUE;
context->t1 = T1_INIT_VALUE;
context->t0 = T0_INIT_VALUE;
context->ra = (UINT32)(UINTPTR)OsTaskExit;
return (VOID *)context;
}
LITE_OS_SEC_TEXT VOID OsTaskScheduleCheck(VOID)
{
#if (LOSCFG_BASE_CORE_TSK_MONITOR == YES)
OsTaskSwitchCheck();
#endif
return;
}
LITE_OS_SEC_TEXT VOID wfi(VOID)
{
__asm__ __volatile__("wfi");
}
LITE_OS_SEC_TEXT VOID mb(VOID)
{
__asm__ __volatile__("fence":::"memory");
}
LITE_OS_SEC_TEXT VOID dsb(VOID)
{
__asm__ __volatile__("fence":::"memory");
}
#ifdef __cplusplus
#if __cplusplus
}
#endif /* __cplusplus */
#endif /* __cplusplus */

View File

@ -0,0 +1,66 @@
/*
* Copyright (c) 2013-2020, Huawei Technologies Co., Ltd. All rights reserved.
* Copyright (c) 2020, Huawei Device Co., Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "los_hw_tick_pri.h"
#include "los_hwi.h"
#include "los_tick_pri.h"
#include "riscv_hal.h"
#ifdef __cplusplus
#if __cplusplus
extern "C" {
#endif /* __cplusplus */
#endif /* __cplusplus */
#define NS_PER_SECOND 1000000000.0
LITE_OS_SEC_TEXT_INIT UINT32 OsTickStart(VOID)
{
g_sysClock = OS_SYS_CLOCK;
g_cyclesPerTick = g_sysClock / LOSCFG_BASE_CORE_TICK_PER_SECOND;
g_intCount = 0;
SysClockInit(g_cyclesPerTick);
return LOS_OK;
}
LITE_OS_SEC_TEXT_MINOR VOID LOS_GetCpuCycle(UINT32 *cntHi, UINT32 *cntLo)
{
OsGetCpuCycle(cntHi, cntLo);
return;
}
#ifdef __cplusplus
#if __cplusplus
}
#endif /* __cplusplus */
#endif /* __cplusplus */

View File

@ -0,0 +1,191 @@
/*
* Copyright (c) 2013-2020, Huawei Technologies Co., Ltd. All rights reserved.
* Copyright (c) 2020, Huawei Device Co., Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "los_base.h"
#include "los_hwi_pri.h"
#include "riscv_hal.h"
#ifdef __cplusplus
#if __cplusplus
extern "C" {
#endif /* __cplusplus */
#endif /* __cplusplus */
LITE_OS_SEC_BSS UINT32 g_intCount = 0;
LITE_OS_SEC_BSS UINT32 g_hwiFormCnt[OS_HWI_MAX_NUM];
LITE_OS_SEC_DATA_INIT HWI_HANDLE_FORM_S g_hwiForm[OS_HWI_MAX_NUM] = {
{ .pfnHook = NULL, .uwParam = 0 }, // 0 User software interrupt handler
{ .pfnHook = NULL, .uwParam = 0 }, // 1 Supervisor software interrupt handler
{ .pfnHook = NULL, .uwParam = 0 }, // 2 Reserved
{ .pfnHook = OsHwiDefaultHandler, .uwParam = 0 }, // 3 Machine software interrupt handler
{ .pfnHook = NULL, .uwParam = 0 }, // 4 User timer interrupt handler
{ .pfnHook = NULL, .uwParam = 0 }, // 5 Supervisor timer interrupt handler
{ .pfnHook = NULL, .uwParam = 0 }, // 6 Reserved
{ .pfnHook = OsHwiDefaultHandler, .uwParam = 0 }, // 7 Machine timer interrupt handler
{ .pfnHook = NULL, .uwParam = 0 }, // 8 User external interrupt handler
{ .pfnHook = NULL, .uwParam = 0 }, // 9 Supervisor external interrupt handler
{ .pfnHook = NULL, .uwParam = 0 }, // 10 Reserved
{ .pfnHook = OsHwiDefaultHandler, .uwParam = 0 }, // 11 Machine external interrupt handler
{ .pfnHook = OsHwiDefaultHandler, .uwParam = 0 }, // 12 NMI handler
{ .pfnHook = NULL, .uwParam = 0 }, // 13 Reserved
{ .pfnHook = NULL, .uwParam = 0 }, // 14 Reserved
{ .pfnHook = NULL, .uwParam = 0 }, // 15 Reserved
{ .pfnHook = NULL, .uwParam = 0 }, // 16 Reserved
{ .pfnHook = NULL, .uwParam = 0 }, // 17 Reserved
{ .pfnHook = NULL, .uwParam = 0 }, // 18 Reserved
{ .pfnHook = NULL, .uwParam = 0 }, // 19 Reserved
{ .pfnHook = NULL, .uwParam = 0 }, // 20 Reserved
{ .pfnHook = NULL, .uwParam = 0 }, // 21 Reserved
{ .pfnHook = NULL, .uwParam = 0 }, // 22 Reserved
{ .pfnHook = NULL, .uwParam = 0 }, // 23 Reserved
{ .pfnHook = NULL, .uwParam = 0 }, // 24 Reserved
{ .pfnHook = NULL, .uwParam = 0 }, // 25 Reserved
};
LITE_OS_SEC_TEXT_INIT VOID OsHwiDefaultHandler(UINTPTR arg)
{
(VOID)arg;
PRINT_ERR("default handler\n");
while (1) {
}
}
LITE_OS_SEC_TEXT_INIT VOID OsHwiInit(VOID)
{
UINT32 index;
for (index = OS_RISCV_SYS_VECTOR_CNT; index < OS_HWI_MAX_NUM; index++) {
g_hwiForm[index].pfnHook = OsHwiDefaultHandler;
g_hwiForm[index].uwParam = 0;
}
}
typedef VOID (*HwiProcFunc)(UINTPTR);
LITE_OS_SEC_TEXT_INIT VOID OsHwiInterruptDone(HWI_HANDLE_T hwiNum)
{
g_intCount++;
HWI_HANDLE_FORM_S *hwiForm = &g_hwiForm[hwiNum];
HwiProcFunc func = (HwiProcFunc)(hwiForm->pfnHook);
func(hwiForm->uwParam);
++g_hwiFormCnt[hwiNum];
g_intCount--;
}
LITE_OS_SEC_TEXT UINT32 OsGetHwiFormCnt(HWI_HANDLE_T hwiNum)
{
if (hwiNum < OS_HWI_MAX_NUM) {
return g_hwiFormCnt[hwiNum];
}
return LOS_NOK;
}
LITE_OS_SEC_TEXT HWI_HANDLE_FORM_S *OsGetHwiForm(VOID)
{
return g_hwiForm;
}
/*****************************************************************************
Function : LOS_HwiCreate
Description : create hardware interrupt
Input : hwiNum --- hwi num to create
hwiPrio --- priority of the hwi
hwiMode --- hwi interrupt mode
hwiHandler --- hwi handler
irqParam --- param of the hwi handler
Output : None
Return : LOS_OK on success or error code on failure
*****************************************************************************/
LITE_OS_SEC_TEXT UINT32 LOS_HwiCreate(HWI_HANDLE_T hwiNum,
HWI_PRIOR_T hwiPrio,
HWI_MODE_T hwiMode,
HWI_PROC_FUNC hwiHandler,
HWI_IRQ_PARAM_S irqParam)
{
UINT32 intSave;
if (hwiHandler == NULL) {
return OS_ERRNO_HWI_PROC_FUNC_NULL;
}
if (hwiNum >= OS_HWI_MAX_NUM) {
return OS_ERRNO_HWI_NUM_INVALID;
}
if (g_hwiForm[hwiNum].pfnHook == NULL) {
return OS_ERRNO_HWI_NUM_INVALID;
} else if (g_hwiForm[hwiNum].pfnHook != OsHwiDefaultHandler) {
return OS_ERRNO_HWI_NUM_INVALID;
}
if ((hwiPrio < OS_HWI_PRIO_LOWEST) || (hwiPrio > OS_HWI_PRIO_HIGHEST)) {
return OS_ERRNO_HWI_PRIO_INVALID;
}
intSave = LOS_IntLock();
g_hwiForm[hwiNum].pfnHook = hwiHandler;
g_hwiForm[hwiNum].uwParam = irqParam;
if (hwiNum >= OS_RISCV_SYS_VECTOR_CNT) {
OsSetLocalInterPri(hwiNum, hwiPrio);
}
LOS_IntRestore(intSave);
return LOS_OK;
}
/*****************************************************************************
Function : LOS_HwiDelete
Description : Delete hardware interrupt
Input : hwiNum --- hwi num to delete
Return : LOS_OK on success or error code on failure
*****************************************************************************/
LITE_OS_SEC_TEXT UINT32 LOS_HwiDelete(HWI_HANDLE_T hwiNum, HWI_IRQ_PARAM_S irqParam)
{
UINT32 intSave;
if (hwiNum >= OS_HWI_MAX_NUM) {
return OS_ERRNO_HWI_NUM_INVALID;
}
intSave = LOS_IntLock();
g_hwiForm[hwiNum].pfnHook = OsHwiDefaultHandler;
g_hwiForm[hwiNum].uwParam = 0;
LOS_IntRestore(intSave);
return LOS_OK;
}
#ifdef __cplusplus
#if __cplusplus
}
#endif /* __cplusplus */
#endif /* __cplusplus */

View File

@ -0,0 +1,178 @@
/*
* Copyright (c) 2013-2020, Huawei Technologies Co., Ltd. All rights reserved.
* Copyright (c) 2020, Huawei Device Co., Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _LOS_TRAP_S
#define _LOS_TRAP_S
#include "soc.h"
.macro PUSH_ECALL_CALLER_REG
addi sp, sp, -16 * REGBYTES
SREG a7, 2 * REGBYTES(sp)
SREG a6, 3 * REGBYTES(sp)
SREG a5, 4 * REGBYTES(sp)
SREG a4, 5 * REGBYTES(sp)
SREG a3, 6 * REGBYTES(sp)
SREG a2, 7 * REGBYTES(sp)
SREG a1, 8 * REGBYTES(sp)
SREG a0, 9 * REGBYTES(sp)
SREG ra, 15 * REGBYTES(sp)
.endm
.macro PUSH_OTHER_CALLER_REG
addi sp, sp, -16 * REGBYTES
SREG t6, 2 * REGBYTES(sp)
SREG t5, 3 * REGBYTES(sp)
SREG t4, 4 * REGBYTES(sp)
SREG t3, 5 * REGBYTES(sp)
SREG t2, 6 * REGBYTES(sp)
SREG t1, 7 * REGBYTES(sp)
SREG t0, 8 * REGBYTES(sp)
.endm
.macro PUSH_OTHER_REG
addi sp, sp, -16 * REGBYTES
SREG t6, 2 * REGBYTES(sp)
SREG t5, 3 * REGBYTES(sp)
SREG t4, 4 * REGBYTES(sp)
SREG t3, 5 * REGBYTES(sp)
SREG t2, 6 * REGBYTES(sp)
SREG t1, 7 * REGBYTES(sp)
SREG t0, 8 * REGBYTES(sp)
SREG s11, 9 * REGBYTES(sp)
SREG s10, 10 * REGBYTES(sp)
SREG s9, 11 * REGBYTES(sp)
SREG s8, 12 * REGBYTES(sp)
SREG s7, 13 * REGBYTES(sp)
SREG s6, 14 * REGBYTES(sp)
SREG s5, 15 * REGBYTES(sp)
SREG s4, 26 * REGBYTES(sp)
SREG s3, 27 * REGBYTES(sp)
SREG s2, 28 * REGBYTES(sp)
SREG s1, 29 * REGBYTES(sp)
SREG s0, 30 * REGBYTES(sp)
.endm
.macro POP_ALL_REG
LREG t6, 2 * REGBYTES(sp)
LREG t5, 3 * REGBYTES(sp)
LREG t4, 4 * REGBYTES(sp)
LREG t3, 5 * REGBYTES(sp)
LREG t2, 6 * REGBYTES(sp)
LREG t1, 7 * REGBYTES(sp)
LREG t0, 8 * REGBYTES(sp)
LREG s11, 9 * REGBYTES(sp)
LREG s10, 10 * REGBYTES(sp)
LREG s9, 11 * REGBYTES(sp)
LREG s8, 12 * REGBYTES(sp)
LREG s7, 13 * REGBYTES(sp)
LREG s6, 14 * REGBYTES(sp)
LREG s5, 15 * REGBYTES(sp)
LREG a7, 18 * REGBYTES(sp)
LREG a6, 19 * REGBYTES(sp)
LREG a5, 20 * REGBYTES(sp)
LREG a4, 21 * REGBYTES(sp)
LREG a3, 22 * REGBYTES(sp)
LREG a2, 23 * REGBYTES(sp)
LREG a1, 24 * REGBYTES(sp)
LREG a0, 25 * REGBYTES(sp)
LREG s4, 26 * REGBYTES(sp)
LREG s3, 27 * REGBYTES(sp)
LREG s2, 28 * REGBYTES(sp)
LREG s1, 29 * REGBYTES(sp)
LREG s0, 30 * REGBYTES(sp)
LREG ra, 31 * REGBYTES(sp)
addi sp, sp, 32 * REGBYTES
.endm
.section .interrupt.text
.extern OsExcEntry
.extern g_excInfo
.global TrapEntry
.align 4
TrapEntry:
PUSH_OTHER_REG
addi sp, sp, -4 * REGBYTES
sw a0, 0 * REGBYTES(sp)
csrr t0, mtval
sw t0, 1 * REGBYTES(sp)
csrr t0, medeleg
sw t0, 2 * REGBYTES(sp)
sw gp, 3 * REGBYTES(sp)
sw sp, 4 * REGBYTES(sp)
sw tp, 5 * REGBYTES(sp)
csrr t0, mstatus
sw t0, 20 * REGBYTES(sp)
csrr t0, mepc
sw t0, 21 * REGBYTES(sp)
mv a0, sp
csrw mscratch, sp
la t0, g_excInfo
lh t1, 0(t0)
bnez t1, 1f
la sp, __except_stack_top
1:
addi t1, t1, 0x1
sh t1, 0(t0)
call OsExcEntry
la t0, g_excInfo
sh zero, 0(t0)
csrr sp, mscratch
addi sp, sp, 4 * REGBYTES
lw t0, 16 * REGBYTES(sp)
csrw mstatus, t0
lw t0, 17 * REGBYTES(sp)
csrw mepc, t0
POP_ALL_REG
mret
.section .interrupt.text
.extern TrapEntry
.global TrapVector
.equ TRAP_INTERRUPT_MODE_MASK, 0x80000000
.equ TRAP_INTERRUPT_NUM_MASK, 0x7FFFFFFF
.align 4
TrapVector:
PUSH_ECALL_CALLER_REG
csrr a0, mcause
li a1, TRAP_INTERRUPT_MODE_MASK
li a2, TRAP_INTERRUPT_NUM_MASK
and a1, a0, a1
and a0, a2, a0
beqz a1, TrapEntry
PUSH_OTHER_CALLER_REG
csrw mscratch, sp
la sp, __start_and_irq_stack_top
jal OsHwiInterruptDone
j TaskSwitch
#endif /* _LOS_TRAP_S */

View File

@ -110,6 +110,10 @@ extern "C" {
#define INLINE inline #define INLINE inline
#endif #endif
#ifndef STATIC
#define STATIC static
#endif
#ifndef STATIC_INLINE #ifndef STATIC_INLINE
#define STATIC_INLINE static inline #define STATIC_INLINE static inline
#endif #endif

View File

@ -90,6 +90,7 @@ LITE_OS_SEC_TEXT VOID OsSwtmrTask(VOID)
UINT32 ret; UINT32 ret;
UINT64 tick; UINT64 tick;
readSzie = sizeof(SwtmrHandlerItem); readSzie = sizeof(SwtmrHandlerItem);
for (;;) { for (;;) {
ret = LOS_QueueReadCopy(g_swtmrHandlerQueue, &swtmrHandle, &readSzie, LOS_WAIT_FOREVER); ret = LOS_QueueReadCopy(g_swtmrHandlerQueue, &swtmrHandle, &readSzie, LOS_WAIT_FOREVER);
if ((ret == LOS_OK) && (readSzie == sizeof(SwtmrHandlerItem))) { if ((ret == LOS_OK) && (readSzie == sizeof(SwtmrHandlerItem))) {

View File

@ -1567,7 +1567,7 @@ VOID LOS_Schedule(VOID)
/* In case that running is not highest then reschedule */ /* In case that running is not highest then reschedule */
if (g_losTask.runTask != g_losTask.newTask) { if (g_losTask.runTask != g_losTask.newTask) {
if (!g_losTaskLock) { if (LOS_CHECK_SCHEDULE) {
LOS_IntRestore(intSave); LOS_IntRestore(intSave);
osTaskSchedule(); osTaskSchedule();

View File

@ -0,0 +1,62 @@
OUTPUT_FORMAT("elf32-littleriscv", "elf32-littleriscv", "elf32-littleriscv")
OUTPUT_ARCH("riscv")
ENTRY(_start)
INCLUDE board.ld.S
MEMORY
{
ram(rwx) : ORIGIN = RAM_ADDR_START, LENGTH = RAM_ADDR_SIZE
flash(rwx) : ORIGIN = FLASH_LOAD_START, LENGTH = FLASH_LOAD_SIZE
}
SECTIONS
{
.text : ALIGN(0x20)
{
__text_start = .;
. = ALIGN(0x10);
*(.start.text)
*(.interrupt.text)
*(.text.*)
. = ALIGN(0x20);
__rodata_start = .;
. = ALIGN(0x10);
*(.rodata.* .srodata.*)
. = ALIGN(0x20);
__text_end = .;
} > ram AT > flash
.data : ALIGN(0x20)
{
__global_pointer$ = . + 0x800;
__data_load_start = LOADADDR(.data);
__data_start = .;
. = ALIGN(0x10);
*(.data.* .sdata.*)
. = ALIGN(0x20);
__data_end = .;
} > ram AT > flash
__data_load_size = SIZEOF(.data);
.bss (NOLOAD): ALIGN(0x20)
{
__bss_start = .;
. = ALIGN(0x10);
*(.kernel.bss*)
*(.bss.* .sbss.*)
. = ALIGN(0x20);
__bss_end = .;
} > ram
.stack (NOLOAD): ALIGN(0x40)
{
__stack_bootom = .;
. += EXCEPT_STACK_SIZE;
__except_stack_top = .;
. += START_AND_IRQ_STACK_SIZE;
__start_and_irq_stack_top = .;
} > ram
/*
.heap (NOLOAD): ALIGN(0x40)
{
__heap_start = .;
. += HEAP_SIZE;
__heap_end = .;
} > ram
*/
}

View File

@ -0,0 +1,134 @@
LITEOSTOPDIR := $(shell if [ "$$PWD" != "" ]; then echo $$PWD; else pwd; fi)
export OS=$(shell uname -s)
LITEOSTOPDIR := ../../
LITEOSTOPDIR := $(realpath $(LITEOSTOPDIR))
export LITEOSTOPDIR
# Selective compiler
COMPILE_NAME := riscv32-unknown-elf
#COMPILE_NAME = riscv-none-embed
ifeq ($(COMPILE_NAME), riscv-none-embed)
CROSS_COMPILE = riscv-none-embed-
VERSION_NUM = 8.1.0
else
CROSS_COMPILE := riscv32-unknown-elf-
VERSION_NUM = 7.3.0
endif
# Select instruction set
MARCH := rv32imac
MABI := ilp32
LITEOS_PLATFORM := riscv_sifive_fe310
# System default
CFLAGS := -I $(LITEOSTOPDIR)/kernel/base/include \
-I $(LITEOSTOPDIR)/kernel/include \
-I $(LITEOSTOPDIR)/kernel/src \
-I $(LITEOSTOPDIR)/kernel/arch/risc-v/include \
-I $(LITEOSTOPDIR)/kernel/arch/risc-v/rvm32/include \
-I $(LITEOSTOPDIR)/kernel/arch/risc-v/rvm32/include/asm \
-I $(LITEOSTOPDIR)/components/cpup \
-I $(LITEOSTOPDIR)/targets/$(LITEOS_PLATFORM)/include \
-I $(LITEOSTOPDIR)/targets/$(LITEOS_PLATFORM)/include/asm \
-I $(LITEOSTOPDIR)/targets/$(LITEOS_PLATFORM)/driver \
-I $(LITEOSTOPDIR)/targets/$(LITEOS_PLATFORM)
LOCAL_CSRCS := $(wildcard $(LITEOSTOPDIR)/kernel/src/*.c) \
$(wildcard $(LITEOSTOPDIR)/kernel/src/mm/*.c) \
$(wildcard $(LITEOSTOPDIR)/kernel/arch/risc-v/rvm32/src/*.c) \
$(wildcard $(LITEOSTOPDIR)/targets/$(LITEOS_PLATFORM)/*.c) \
$(wildcard $(LITEOSTOPDIR)/targets/$(LITEOS_PLATFORM)/driver/*.c) \
$(wildcard $(LITEOSTOPDIR)/components/cpup/*.c) \
$(wildcard $(LITEOSTOPDIR)/targets/$(LITEOS_PLATFORM)/libc/*.c)
LOCAL_ASMSRCS := $(wildcard $(LITEOSTOPDIR)/kernel/arch/risc-v/rvm32/src/*.S) \
$(wildcard $(LITEOSTOPDIR)/targets/$(LITEOS_PLATFORM)/los_start.S) \
$(wildcard $(LITEOSTOPDIR)/targets/$(LITEOS_PLATFORM)/libc/*.S)
LOCAL_CSRCS += $(wildcard $(LITEOSTOPDIR)/components/bounds_checking_function/src/*.c)
CFLAGS += -I $(LITEOSTOPDIR)/components/bounds_checking_function/include
CC = $(CROSS_COMPILE)gcc
AS = $(CROSS_COMPILE)as
AR = $(CROSS_COMPILE)ar
LD = $(CROSS_COMPILE)ld
GPP = $(CROSS_COMPILE)g++
OBJCOPY = $(CROSS_COMPILE)objcopy
OBJDUMP = $(CROSS_COMPILE)objdump
SIZE = $(CROSS_COMPILE)size
NM = $(CROSS_COMPILE)nm
ARFLAGS = cr
OBJ_MKDIR = if [ ! -d $(dir $@) ]; then mkdir -p $(dir $@); fi
HIDE = @
RM = rm -rf
MAKE = make
OUT := out
OBJOUT := $(OUT)/obj
LIBA = $(OUT)/libs/libkernel.a
LITEOS_LIBS_DIR := -L$(LITEOSTOPDIR)/targets/$(LITEOS_PLATFORM)/$(OUT)/libs
LITEOS_GCCLIB := libgcc.a
LITEOS_TARGET = liteos
LITEOS_LIBDEP := -lkernel -lgcc -lc
LITEOS_SSP = -fno-stack-protector
LITEOS_COPTS_BASE := -march=$(MARCH) -mabi=$(MABI) -static -fno-common -O2 $(LITEOS_SSP)
LITEOS_COPTS_EXTRA := -ffunction-sections -fdata-sections -fno-omit-frame-pointer -Wall -Wno-format-truncation
LITEOS_ASOPTS := -march=$(MARCH) -mabi=$(MABI) -static -O2
LITEOS_LD_OPTS := --build-id=none -static -nostartfiles --gc-sections
LITEOS_COMPILER_PATH := $(realpath $(shell $(LITEOSTOPDIR)/targets/$(LITEOS_PLATFORM)/compiler_dir.sh $(CC)))
LITEOS_COMPILER_CXX_PATH = $(LITEOS_COMPILER_PATH)/$(COMPILE_NAME)/include
LITEOS_COMPILER_CXXLIB_PATH = $(LITEOS_COMPILER_PATH)/$(COMPILE_NAME)/lib/$(LITEOS_GCCLIB)
ifeq ($(COMPILE_NAME), riscv-none-embed)
LITEOS_COMPILER_GCCLIB_PATH = -L$(LITEOS_COMPILER_PATH)/lib/gcc/$(COMPILE_NAME)/$(VERSION_NUM)/$(MARCH)/$(MABI)/ \
-L$(LITEOS_COMPILER_PATH)/$(COMPILE_NAME)/lib/$(MARCH)/$(MABI)/
LITEOS_LD_OPTS += -mcmodel=medany -melf32lriscv
else
LITEOS_COMPILER_GCCLIB_PATH = -L$(LITEOS_COMPILER_PATH)/lib/gcc/$(COMPILE_NAME)/$(VERSION_NUM)/ \
-L$(LITEOS_COMPILER_PATH)/$(COMPILE_NAME)/lib/
endif
LITEOS_COMPILER_GCC_INCLUDE = -I $(LITEOS_COMPILER_PATH)/lib/gcc/$(COMPILE_NAME)/$(VERSION_NUM)/include \
-I $(LITEOS_COMPILER_PATH)/$(COMPILE_NAME)/include
LITEOS_LD_SCRIPT := $(LITEOSTOPDIR)/targets/$(LITEOS_PLATFORM)/Liteos.ld
LITEOS_LDFLAGS := $(LITEOS_LD_OPTS) -T$(LITEOS_LD_SCRIPT) $(LITEOS_LIBS_DIR) $(LITEOS_COMPILER_GCCLIB_PATH)
LITEOS_CFLAGS := $(LITEOS_COPTS_BASE) $(LITEOS_COPTS_EXTRA) -DLOSCFG_LIB_LIBC
LITEOS_ASFLAGS := $(LITEOS_ASOPTS)
LOCAL_FLAGS := $(CFLAGS) $(LITEOS_COMPILER_GCC_INCLUDE)
LOCAL_COBJS := $(patsubst %.c,$(OBJOUT)/%.o,$(LOCAL_CSRCS))
LOCAL_ASMOBJS := $(patsubst %.S,$(OBJOUT)/%.o,$(LOCAL_ASMSRCS))
all: $(LITEOS_TARGET)
$(LITEOS_TARGET): $(LIBA)
$(LD) $(LITEOS_LDFLAGS) $(LITEOS_TABLES_LDFLAGS) --start-group $(LITEOS_LIBDEP) --end-group -o $(OUT)/$@
$(OBJCOPY) -S $(OUT)/$@ -Obinary $(OUT)/$@.bin
$(OBJDUMP) -hd $(OUT)/$@ >$(OUT)/$@.asm
$(OBJDUMP) -stD $(OUT)/$@ >$(OUT)/$@.map
$(LOCAL_COBJS): $(OBJOUT)/%.o: %.c
$(HIDE)$(OBJ_MKDIR)
$(HIDE)$(CC) $(LITEOS_CFLAGS) $(LOCAL_FLAGS) -c $< -o $@
$(LOCAL_ASMOBJS): $(OBJOUT)/%.o: %.S
$(HIDE)$(OBJ_MKDIR)
$(HIDE)$(CC) $(LITEOS_ASFLAGS) $(LOCAL_FLAGS) -c $< -o $@
$(LIBA): $(LOCAL_COBJS) $(LOCAL_ASMOBJS)
$(HIDE)$(OBJ_MKDIR)
$(HIDE)$(AR) $(ARFLAGS) $@ $(LOCAL_COBJS) $(LOCAL_ASMOBJS)
clean:
$(HIDE)$(RM) $(__OBJS) $(LITEOS_TARGET) $(OUT) $(BUILD) *.bak *~
$(HIDE)echo "clean $(LITEOS_PLATFORM) finish"
cleanall:
$(HIDE)rm -rf $(LITEOSTOPDIR)/out
$(HIDE)echo "clean all"
.PHONY: all lib clean cleanall $(LITEOS_TARGET)

View File

@ -0,0 +1,40 @@
/*
* Copyright (c) 2013-2020, Huawei Technologies Co., Ltd. All rights reserved.
* Copyright (c) 2020, Huawei Device Co., Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
RAM_ADDR_START = 0x80000000;
RAM_ADDR_SIZE = 128M;
FLASH_LOAD_START = RAM_ADDR_START;
FLASH_LOAD_SIZE = RAM_ADDR_SIZE;
EXCEPT_STACK_SIZE = 2K;
NMI_STACK_SIZE = 1K;
START_AND_IRQ_STACK_SIZE = 8K;
HEAP_SIZE = 100M;

View File

@ -0,0 +1,42 @@
#!/bin/bash
#Copyright (c) 2013-2020, Huawei Technologies Co., Ltd. All rights reserved.
#Copyright (c) 2020, Huawei Device Co., Ltd. All rights reserved.
#
#Redistribution and use in source and binary forms, with or without modification,
#are permitted provided that the following conditions are met:
#
#1. Redistributions of source code must retain the above copyright notice, this list of
# conditions and the following disclaimer.
#
#2. Redistributions in binary form must reproduce the above copyright notice, this list
# of conditions and the following disclaimer in the documentation and/or other materials
# provided with the distribution.
#
#3. Neither the name of the copyright holder nor the names of its contributors may be used
# to endorse or promote products derived from this software without specific prior written
# permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
# THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
set -e
declare GCC="$1"
function compiler_dir()
{
gcc_path=$(dirname $(which ${GCC}))/..
echo "${gcc_path}"
}
compiler_dir

View File

@ -0,0 +1,92 @@
/*
* Copyright (c) 2013-2020, Huawei Technologies Co., Ltd. All rights reserved.
* Copyright (c) 2020, Huawei Device Co., Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "mtimer.h"
#include "los_base.h"
#include "los_hwi.h"
#include "los_tick_pri.h"
#include "riscv_hal.h"
#include "soc.h"
#include "plic.h"
#ifdef __cplusplus
#if __cplusplus
extern "C" {
#endif
#endif
VOID MTimerCpuCycle(UINT32 *contHi, UINT32 *contLo)
{
READ_UINT32(*contLo, MTIMER);
READ_UINT32(*contHi, MTIMER + 4);
return;
}
STATIC INLINE VOID UpdateMtimerCmp(UINT32 tick)
{
unsigned long long timer;
unsigned timerL, timerH;
READ_UINT32(timerL, MTIMER);
READ_UINT32(timerH, MTIMER + 4);
timer = (UINT64)(((UINT64)timerH << 32) + timerL);
timer += tick;
WRITE_UINT32(0xffffffff, MTIMERCMP + 4);
WRITE_UINT32((UINT32)timer, MTIMERCMP);
WRITE_UINT32((UINT32)(timer >> 32), MTIMERCMP + 4);
}
STATIC VOID OsMachineTimerInterrupt(UINT32 sysCycle)
{
OsTickHandler();
UpdateMtimerCmp(sysCycle);
}
UINT32 MTimerTickInit(UINT32 period)
{
unsigned int ret;
ret = LOS_HwiCreate(RISCV_MACH_TIMER_IRQ, 0x1, 0, OsMachineTimerInterrupt, period);
if (ret != LOS_OK) {
return ret;
}
WRITE_UINT32(0xffffffff, MTIMERCMP + 4);
WRITE_UINT32(period, MTIMERCMP);
WRITE_UINT32(0x0, MTIMERCMP + 4);
OsIrqEnable(RISCV_MACH_TIMER_IRQ);
return LOS_OK;
}
#ifdef __cplusplus
#if __cplusplus
}
#endif /* __cplusplus */
#endif /* __cplusplus */

View File

@ -0,0 +1,51 @@
/*
* Copyright (c) 2013-2020, Huawei Technologies Co., Ltd. All rights reserved.
* Copyright (c) 2020, Huawei Device Co., Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _MTIMER_H
#define _MTIMER_H
#include "los_typedef.h"
#ifdef __cplusplus
#if __cplusplus
extern "C" {
#endif
#endif
extern VOID MTimerCpuCycle(UINT32 *contHi, UINT32 *contLo);
extern UINT32 MTimerTickInit(UINT32 period);
#ifdef __cplusplus
#if __cplusplus
}
#endif /* __cplusplus */
#endif /* __cplusplus */
#endif

View File

@ -0,0 +1,125 @@
/*
* Copyright (c) 2013-2020, Huawei Technologies Co., Ltd. All rights reserved.
* Copyright (c) 2020, Huawei Device Co., Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "plic.h"
#include "soc.h"
#include "los_base.h"
#include "los_hwi_pri.h"
#ifdef __cplusplus
#if __cplusplus
extern "C" {
#endif
#endif
static VOID OsMachineExternalInterrupt(UINT32 arg)
{
volatile UINT32 *plicReg = (volatile UINT32 *)(PLIC_REG_BASE + 0x4);
UINT32 irqNum, saveIrqNum;
READ_UINT32(irqNum, plicReg);
saveIrqNum = irqNum;
if ((irqNum >= OS_RISCV_CUSTOM_IRQ_VECTOR_CNT) || (irqNum == 0)) {
OsHwiDefaultHandler(irqNum);
}
irqNum += RISCV_SYS_MAX_IRQ;
g_hwiForm[irqNum].pfnHook(g_hwiForm[irqNum].uwParam);
WRITE_UINT32(saveIrqNum, plicReg);
}
VOID PlicIrqInit()
{
volatile UINT32 *plicPrioReg = (volatile UINT32 *)PLIC_PRIO_BASE;
volatile UINT32 *plicEnReg = (volatile UINT32 *)PLIC_ENABLE_BASE;
volatile UINT32 *plicReg = (volatile UINT32 *)PLIC_REG_BASE;
INT32 i;
UINT32 ret;
for (i = 0; i < ((OS_RISCV_CUSTOM_IRQ_VECTOR_CNT >> 5) + 1); i++) {
WRITE_UINT32(0x0, plicEnReg);
plicEnReg++;
}
for (i = 0; i < OS_RISCV_CUSTOM_IRQ_VECTOR_CNT; i++) {
WRITE_UINT32(0x0, plicPrioReg);
plicPrioReg++;
}
WRITE_UINT32(0, plicReg);
ret = LOS_HwiCreate(RISCV_MACH_EXT_IRQ, 0x1, 0, OsMachineExternalInterrupt, 0);
if (ret != LOS_OK) {
PRINT_ERR("Creat machine external failed! ret : 0x%x\n", ret);
}
}
VOID PlicIrqSetPrio(UINT32 vector, UINT32 pri)
{
volatile UINT32 *plicReg = (volatile UINT32 *)PLIC_PRIO_BASE;
plicReg += (vector - RISCV_SYS_MAX_IRQ);
WRITE_UINT32(pri, plicReg);
}
VOID PlicIrqEnable(UINT32 vector)
{
UINT32 irqValue;
UINT32 locIrq = vector - RISCV_SYS_MAX_IRQ;
volatile UINT32 *plicReg = (volatile UINT32 *)PLIC_ENABLE_BASE;
plicReg += (locIrq >> 5);
READ_UINT32(irqValue, plicReg);
irqValue |= (1 << (locIrq & 31));
WRITE_UINT32(irqValue, plicReg);
}
VOID PlicIrqDisable(UINT32 vector)
{
UINT32 irqValue;
UINT32 locIrq = vector - RISCV_SYS_MAX_IRQ;
volatile UINT32 *plicReg = (volatile UINT32 *)PLIC_ENABLE_BASE;
plicReg += (locIrq >> 5);
READ_UINT32(irqValue, plicReg);
irqValue &= ~(1 << (locIrq & 31));
WRITE_UINT32(irqValue, plicReg);
}
#ifdef __cplusplus
#if __cplusplus
}
#endif /* __cplusplus */
#endif /* __cplusplus */

View File

@ -0,0 +1,53 @@
/*
* Copyright (c) 2013-2020, Huawei Technologies Co., Ltd. All rights reserved.
* Copyright (c) 2020, Huawei Device Co., Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _PLIC_H
#define _PLIC_H
#include "los_typedef.h"
#ifdef __cplusplus
#if __cplusplus
extern "C" {
#endif
#endif
extern VOID PlicIrqInit(VOID);
extern VOID PlicIrqSetPrio(UINT32 vector, UINT32 pri);
extern VOID PlicIrqEnable(UINT32 vector);
extern VOID PlicIrqDisable(UINT32 vector);
#ifdef __cplusplus
#if __cplusplus
}
#endif /* __cplusplus */
#endif /* __cplusplus */
#endif

View File

@ -0,0 +1,93 @@
/*
* Copyright (c) 2013-2020, Huawei Technologies Co., Ltd. All rights reserved.
* Copyright (c) 2020, Huawei Device Co., Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "uart.h"
#include "soc.h"
#include "los_base.h"
#ifdef __cplusplus
#if __cplusplus
extern "C" {
#endif
#endif
/******* uart register offset *****/
#define UART_TX_DATA 0x00
#define UART_RX_DATA 0x04
#define UART_TX_CTRL 0x08
#define UART_RX_CTRL 0x0C
#define UART_IN_ENAB 0x10
#define UART_IN_PEND 0x14
#define UART_BR_DIV 0x18
INT32 UartPutc(INT32 c, VOID *file)
{
(VOID)file;
while (GET_UINT32(UART0_BASE + UART_TX_DATA) & 0x80000000) {
}
WRITE_UINT32((INT32)(c & 0xFF), UART0_BASE + UART_TX_DATA);
return c;
}
INT32 UartOut(INT32 c, VOID *file)
{
if (c == '\n') {
return UartPutc('\r', file);
}
return UartPutc(c, file);
}
VOID UartInit()
{
UINT32 uartDiv;
/* Enable TX and RX channels */
WRITE_UINT32(1 << 0, UART0_BASE + UART_TX_CTRL);
WRITE_UINT32(1 << 0, UART0_BASE + UART_RX_CTRL);
/* Set baud rate */
uartDiv = UART0_CLK_FREQ / UART0_BAUDRAT - 1;
WRITE_UINT32(uartDiv, UART0_BASE + UART_BR_DIV);
/* Ensure that uart IRQ is disabled initially */
WRITE_UINT32(0, UART0_BASE + UART_IN_ENAB);
}
#ifdef __cplusplus
#if __cplusplus
}
#endif /* __cplusplus */
#endif /* __cplusplus */

View File

@ -0,0 +1,50 @@
/*
* Copyright (c) 2013-2020, Huawei Technologies Co., Ltd. All rights reserved.
* Copyright (c) 2020, Huawei Device Co., Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _UART_H
#define _UART_H
#include "los_typedef.h"
#ifdef __cplusplus
#if __cplusplus
extern "C" {
#endif
#endif
extern INT32 UartPutc(INT32 c, VOID *file);
extern INT32 UartOut(INT32 c, VOID *file);
extern VOID UartInit(VOID);
#ifdef __cplusplus
#if __cplusplus
}
#endif /* __cplusplus */
#endif /* __cplusplus */
#endif

View File

@ -0,0 +1,66 @@
/*
* Copyright (c) 2013-2020, Huawei Technologies Co., Ltd. All rights reserved.
* Copyright (c) 2020, Huawei Device Co., Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _SOC_H
#define _SOC_H
#include "soc_common.h"
#define MSIP 0x2000000
#define MTIMERCMP 0x2004000
#define MTIMER 0x200BFF8
#define CLOCK_CONTRAL_REG 0x10008000
/* interrupt base addr : 0xc000000 + 4 * interrupt ID
* [2:0] priority
* [31:3] reserved
*/
#define PLIC_PRIO_BASE 0xC000000
#define PLIC_PEND_BASE 0xC001000 //interrupt 0-31
#define PLIC_PEND_REG2 0xC001004 //interrupt 32-52
#define PLIC_ENABLE_BASE 0xC002000 //interrupt 0-31
#define PLIC_ENABLE_REG2 0xC002004 //interrupt 32-52
#define PLIC_REG_BASE 0xC200000
#define UART0_BASE 0x10013000
#define UART1_BASE 0x10023000
#define UART0_CLK_FREQ 0x32000000
#define UART1_CLK_FREQ 0x32000000
#define UART0_BAUDRAT 115200
#define RISCV_SYS_MAX_IRQ 11
#define RISCV_WDOGCMP_IRQ (RISCV_SYS_MAX_IRQ + 1)
#define RISCV_RTCCMP_IRQ (RISCV_SYS_MAX_IRQ + 2)
#define RISCV_UART0_IRQ (RISCV_SYS_MAX_IRQ + 3)
#define RISCV_UART1_IRQ (RISCV_SYS_MAX_IRQ + 4)
#define RISCV_PLIC_VECTOR_CNT 53
#endif

View File

@ -0,0 +1,68 @@
/*
* Copyright (c) 2013-2020, Huawei Technologies Co., Ltd. All rights reserved.
* Copyright (c) 2020, Huawei Device Co., Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _RISCV_HAL_H
#define _RISCV_HAL_H
#include "los_typedef.h"
#ifdef __cplusplus
#if __cplusplus
extern "C" {
#endif
#endif
/*
* backtrace
*/
extern CHAR *__except_stack_top;
extern CHAR *__start_and_irq_stack_top;
extern CHAR *__text_start;
extern CHAR *__text_end;
extern CHAR *__bss_end;
extern BOOL OsBackTraceRaCheck(UINT32 value);
extern BOOL OsBackTraceFpCheck(UINT32 value);
extern VOID OsIrqDisable(UINT32 vector);
extern VOID OsIrqEnable(UINT32 vector);
extern VOID OsSetLocalInterPri(UINT32 vector, UINT16 prior);
extern VOID OsGetCpuCycle(UINT32 *cntHi, UINT32 *cntLo);
extern VOID SysClockInit(UINT32 period);
#ifdef __cplusplus
#if __cplusplus
}
#endif
#endif
#endif /* _RISCV_HAL_H */

View File

@ -0,0 +1,175 @@
/*
* Copyright (c) 2013-2020, Huawei Technologies Co., Ltd. All rights reserved.
* Copyright (c) 2020, Huawei Device Co., Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "stdarg.h"
#include <stdio.h>
#include "los_printf.h"
#include "uart.h"
int putchar(int n)
{
return UartOut(n, NULL);
}
int puts(const char *string)
{
int count = 0;
char *s = (char *)string;
while (*s != '\0') {
putchar(*s);
s++;
count++;
}
return count;
}
static int hex2asc(int n)
{
n &= 15;
if(n > 9){
return ('a' - 10) + n;
} else {
return '0' + n;
}
}
static void dputs(char const *s, int (*pFputc)(int n, void *cookie), void *cookie)
{
while (*s) {
pFputc(*s++, cookie);
}
}
void __dprintf(char const *fmt, va_list ap,
int (*pFputc)(int n, void *cookie),
void *cookie)
{
char scratch[256];
for(;;){
switch(*fmt){
case 0:
va_end(ap);
return;
case '%':
switch(fmt[1]) {
case 'c': {
unsigned n = va_arg(ap, unsigned);
pFputc(n, cookie);
fmt += 2;
continue;
}
case 'h': {
unsigned n = va_arg(ap, unsigned);
pFputc(hex2asc(n >> 12), cookie);
pFputc(hex2asc(n >> 8), cookie);
pFputc(hex2asc(n >> 4), cookie);
pFputc(hex2asc(n >> 0), cookie);
fmt += 2;
continue;
}
case 'b': {
unsigned n = va_arg(ap, unsigned);
pFputc(hex2asc(n >> 4), cookie);
pFputc(hex2asc(n >> 0), cookie);
fmt += 2;
continue;
}
case 'p':
case 'X':
case 'x': {
unsigned n = va_arg(ap, unsigned);
char *p = scratch + 15;
*p = 0;
do {
*--p = hex2asc(n);
n = n >> 4;
} while(n != 0);
while(p > (scratch + 7)) *--p = '0';
dputs(p, pFputc, cookie);
fmt += 2;
continue;
}
case 'd': {
int n = va_arg(ap, int);
char *p = scratch + 15;
*p = 0;
if(n < 0) {
pFputc('-', cookie);
n = -n;
}
do {
*--p = (n % 10) + '0';
n /= 10;
} while(n != 0);
dputs(p, pFputc, cookie);
fmt += 2;
continue;
}
case 'u': {
unsigned int n = va_arg(ap, unsigned int);
char *p = scratch + 15;
*p = 0;
do {
*--p = (n % 10) + '0';
n /= 10;
} while(n != 0);
dputs(p, pFputc, cookie);
fmt += 2;
continue;
}
case 's': {
char *s = va_arg(ap, char*); /*lint !e64*/
if(s == 0) s = "(null)";
dputs(s, pFputc, cookie);
fmt += 2;
continue;
}
}
pFputc(*fmt++, cookie);
break;
case '\n':
pFputc('\r', cookie);
default: /*lint !e616*/
pFputc(*fmt++, cookie);
}
}
}
int printf(char const *str, ...)
{
va_list ap;
va_start(ap, str);
__dprintf(str, ap, UartPutc, 0);
va_end(ap);
return 0;
}

View File

@ -0,0 +1,79 @@
/*
* Copyright (c) 2013-2020, Huawei Technologies Co., Ltd. All rights reserved.
* Copyright (c) 2020, Huawei Device Co., Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "soc.h"
.macro PUSH_CALLER_REG
addi sp, sp, -(INT_SIZE_ON_STACK)
SREG t6, 16 * REGBYTES(sp)
SREG t5, 17 * REGBYTES(sp)
SREG t4, 18 * REGBYTES(sp)
SREG t3, 19 * REGBYTES(sp)
SREG a7, 20 * REGBYTES(sp)
SREG a6, 21 * REGBYTES(sp)
SREG a5, 22 * REGBYTES(sp)
SREG a4, 23 * REGBYTES(sp)
SREG a3, 24 * REGBYTES(sp)
SREG a2, 25 * REGBYTES(sp)
SREG a1, 26 * REGBYTES(sp)
SREG a0, 27 * REGBYTES(sp)
SREG t2, 28 * REGBYTES(sp)
SREG t1, 29 * REGBYTES(sp)
SREG t0, 30 * REGBYTES(sp)
SREG ra, 31 * REGBYTES(sp)
.endm
.extern memset
.global _start
.section .start.text
.align 4
_start:
li t0, RISCV_MSTATUS_MPP
csrw mstatus, t0
csrw mie, zero
la t0, TrapVector
csrw mtvec, t0 # direct mode
.option push
.option norelax
la gp, __global_pointer$
.option pop
la t0, __bss_start
la t1, __bss_end
2:
sw zero, 0x0(t0)
addi t0, t0, 0x4
bgtu t1, t0, 2b
la sp, __start_and_irq_stack_top
tail main

View File

@ -0,0 +1,122 @@
/*
* Copyright (c) 2013-2020, Huawei Technologies Co., Ltd. All rights reserved.
* Copyright (c) 2020, Huawei Device Co., Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "los_sys.h"
#include "los_tick.h"
#include "los_task.h"
#include "los_config.h"
#include "los_exc.h"
#include "los_printf.h"
#include "uart.h"
#ifdef __cplusplus
#if __cplusplus
extern "C" {
#endif /* __cpluscplus */
#endif /* __cpluscplus */
UINT8 g_memStart[OS_SYS_MEM_SIZE];
VOID TaskSampleEntry2(VOID)
{
while(1) {
LOS_TaskDelay(1000);
printf("TaskSampleEntry2 running...\n\r");
}
}
VOID TaskSampleEntry1(VOID)
{
while(1) {
LOS_TaskDelay(1000);
printf("TaskSampleEntry1 running...\n\r");
}
}
UINT32 TaskSample(VOID)
{
UINT32 ret;
UINT32 taskID1, taskID2;
TSK_INIT_PARAM_S task1 = { 0 };
task1.pfnTaskEntry = (TSK_ENTRY_FUNC)TaskSampleEntry1;
task1.uwStackSize = 0x1000;
task1.pcName = "TaskSampleEntry1";
task1.usTaskPrio = 6;
ret = LOS_TaskCreate(&taskID1, &task1);
task1.pfnTaskEntry = (TSK_ENTRY_FUNC)TaskSampleEntry2;
task1.uwStackSize = 0x1000;
task1.pcName = "TaskSampleEntry2";
task1.usTaskPrio = 7;
ret = LOS_TaskCreate(&taskID2, &task1);
return ret;
}
/*****************************************************************************
Function : main
Description : Main function entry
Input : None
Output : None
Return : None
*****************************************************************************/
LITE_OS_SEC_TEXT_INIT INT32 main(VOID)
{
UINT32 ret;
UartInit();
PRINTK("\n OHOS start \n\r");
ret = LOS_KernelInit();
if (ret != LOS_OK) {
goto START_FAILED;
}
TaskSample();
PRINTK("\n OHOS scheduler!!! \n\r");
LOS_Start();
START_FAILED:
while (1) {
__asm volatile("wfi");
}
}
#ifdef __cplusplus
#if __cplusplus
}
#endif /* __cpluscplus */
#endif /* __cpluscplus */

View File

@ -0,0 +1,39 @@
#!/bin/bash
#Copyright (c) 2013-2020, Huawei Technologies Co., Ltd. All rights reserved.
#Copyright (c) 2020, Huawei Device Co., Ltd. All rights reserved.
#
#Redistribution and use in source and binary forms, with or without modification,
#are permitted provided that the following conditions are met:
#
#1. Redistributions of source code must retain the above copyright notice, this list of
# conditions and the following disclaimer.
#
#2. Redistributions in binary form must reproduce the above copyright notice, this list
# of conditions and the following disclaimer in the documentation and/or other materials
# provided with the distribution.
#
#3. Neither the name of the copyright holder nor the names of its contributors may be used
# to endorse or promote products derived from this software without specific prior written
# permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
# THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
set -e
qemu-system-riscv32 \
-m 128M \
-kernel out/liteos \
-machine sifive_u \
-nographic \
-append "root=/dev/vda or console=ttyS0"

View File

@ -0,0 +1,119 @@
/*
* Copyright (c) 2013-2020, Huawei Technologies Co., Ltd. All rights reserved.
* Copyright (c) 2020, Huawei Device Co., Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "riscv_hal.h"
#include "los_printf.h"
#include "soc.h"
#include "plic.h"
#include "mtimer.h"
#ifdef __cplusplus
#if __cplusplus
extern "C" {
#endif
#endif
VOID OsIrqDisable(UINT32 vector)
{
if (vector <= RISCV_SYS_MAX_IRQ) {
CLEAR_CSR(mie, 1 << vector);
} else {
PlicIrqDisable(vector);
}
}
VOID OsIrqEnable(UINT32 vector)
{
if (vector <= RISCV_SYS_MAX_IRQ) {
SET_CSR(mie, 1 << vector);
} else {
PlicIrqEnable(vector);
}
}
VOID OsSetLocalInterPri(UINT32 interPriNum, UINT16 prior)
{
PlicIrqSetPrio(interPriNum, prior);
}
VOID OsGetCpuCycle(UINT32 *cntHi, UINT32 *cntLo)
{
if ((cntHi == NULL) || (cntLo == NULL)) {
return;
}
MTimerCpuCycle(cntHi, cntLo);
}
BOOL OsBackTraceFpCheck(UINT32 value)
{
if (value >= (UINT32)(UINTPTR)(&__bss_end)) {
return TRUE;
}
if ((value >= (UINT32)(UINTPTR)(&__start_and_irq_stack_top)) && (value < (UINT32)(UINTPTR)(&__except_stack_top))) {
return TRUE;
}
return FALSE;
}
BOOL OsBackTraceRaCheck(UINT32 value)
{
BOOL ret = FALSE;
if ((value >= (UINT32)(UINTPTR)(&__text_start)) &&
(value < (UINT32)(UINTPTR)(&__text_end))) {
ret = TRUE;
}
return ret;
}
VOID SysClockInit(UINT32 period)
{
UINT32 ret;
ret = MTimerTickInit(period);
if (ret != LOS_OK) {
PRINT_ERR("Creat Mtimer failed! ret : 0x%x \n", ret);
return;
}
PlicIrqInit();
OsIrqEnable(RISCV_MACH_EXT_IRQ);
}
#ifdef __cplusplus
#if __cplusplus
}
#endif
#endif

View File

@ -0,0 +1,200 @@
/*
* Copyright (c) 2013-2020, Huawei Technologies Co., Ltd. All rights reserved.
* Copyright (c) 2020, Huawei Device Co., Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _TARGETS_CONFIG_H
#define _TARGETS_CONFIG_H
#include "soc.h"
#ifdef __cplusplus
#if __cplusplus
extern "C" {
#endif /* __cplusplus */
#endif /* __cplusplus */
#define OS_SYS_CLOCK 10000000UL
#define LOSCFG_BASE_CORE_TICK_PER_SECOND 1000
/****************************** System clock module configuration ****************************/
#define LOSCFG_BASE_CORE_TIMER_NUM 7
/****************************** Task module configuration ********************************/
/**
* @ingroup los_config
* Default task priority
*/
#define LOSCFG_BASE_CORE_TSK_DEFAULT_PRIO 10
/**
* @ingroup los_config
* Maximum supported number of tasks except the idle task rather than the number of usable tasks
*/
#define LOSCFG_BASE_CORE_TSK_LIMIT 20 // max num task
/**
* @ingroup los_config
* Size of the idle task stack
*/
#define LOSCFG_BASE_CORE_TSK_IDLE_STACK_SIZE SIZE(0x500) // IDLE task stack
/**
* @ingroup los_config
* Default task stack size
*/
#define LOSCFG_BASE_CORE_TSK_DEFAULT_STACK_SIZE SIZE(0x2D0) // default stack
/**
* @ingroup los_config
* Minimum stack size.
*/
#define LOS_TASK_MIN_STACK_SIZE (ALIGN(0x130, 16))
/**
* @ingroup los_config
* Configuration item for task Robin tailoring
*/
#define LOSCFG_BASE_CORE_TIMESLICE YES // task-ROBIN moduel cutting switch
/**
* @ingroup los_config
* Longest execution time of tasks with the same priorities
*/
#define LOSCFG_BASE_CORE_TIMESLICE_TIMEOUT 10
/**
* @ingroup los_config
* Configuration item for task (stack) monitoring module tailoring
*/
#define LOSCFG_BASE_CORE_TSK_MONITOR YES
/**
* @ingroup los_config
* Define a usable task priority.Highest task priority.
*/
#define LOS_TASK_PRIORITY_HIGHEST 0
/**
* @ingroup los_config
* Define a usable task priority.Lowest task priority.
*/
#define LOS_TASK_PRIORITY_LOWEST 31
/****************************** Semaphore module configuration ******************************/
/**
* @ingroup los_config
* Configuration item for semaphore module tailoring
*/
#define LOSCFG_BASE_IPC_SEM YES
/**
* @ingroup los_config
* Maximum supported number of semaphores
*/
#define LOSCFG_BASE_IPC_SEM_LIMIT 10 // the max sem-numb
/****************************** mutex module configuration ******************************/
/**
* @ingroup los_config
* Configuration item for mutex module tailoring
*/
#define LOSCFG_BASE_IPC_MUX YES
/**
* @ingroup los_config
* Maximum supported number of mutexes
*/
#define LOSCFG_BASE_IPC_MUX_LIMIT 10 // the max mutex-num
/****************************** Queue module configuration ********************************/
/**
* @ingroup los_config
* Configuration item for queue module tailoring
*/
#define LOSCFG_BASE_IPC_QUEUE YES
/**
* @ingroup los_config
* Maximum supported number of queues rather than the number of usable queues
*/
#define LOSCFG_BASE_IPC_QUEUE_LIMIT 10 //the max queue-numb
/****************************** Software timer module configuration **************************/
/**
* @ingroup los_config
* Configuration item for software timer module tailoring
*/
#define LOSCFG_BASE_CORE_SWTMR YES
/**
* @ingroup los_config
* Maximum supported number of software timers rather than the number of usable software timers
*/
#define LOSCFG_BASE_CORE_SWTMR_LIMIT 10 // the max SWTMR numb
/****************************** Memory module configuration **************************/
/**
* @ingroup los_config
* Configuration module tailoring of mem node integrity checking
*/
#define LOSCFG_BASE_MEM_NODE_INTEGRITY_CHECK YES
/**
* @ingroup los_config
* Configuration module tailoring of mem node size checking
*/
#define LOSCFG_BASE_MEM_NODE_SIZE_CHECK YES
/**
* @ingroup los_config
* Number of memory checking blocks
*/
#define OS_SYS_MEM_NUM 20
#define LOSCFG_KERNEL_MEM_SLAB NO
#ifdef LITEOSCFG_EXTENDED_KERNEL
#define LOSCFG_KERNEL_TICKLESS NO
#define LOSCFG_BASE_CORE_CPUP YES
#endif
#ifdef LITEOSCFG_CMSIS
#define CMSIS_OS_VER 1
#define LOSCFG_COMPAT_CMSIS_FW YES
#endif
#ifdef __cplusplus
#if __cplusplus
}
#endif /* __cplusplus */
#endif /* __cplusplus */
#endif /* _TARGETS_CONFIG_H */