113 lines
4.5 KiB
C
113 lines
4.5 KiB
C
/*
|
|
* 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
|