Support XiZi_AIoT

2024-01-31 10:30:34 +08:00
parent f6cf46027d
commit 494312183b
351 changed files with 46408 additions and 450091 deletions
@@ -0,0 +1,6 @@
+
+SRC_FILES := default_irq_handler.c \
+	clock_irq_handler.c \
+	software_irq_handler.c
+
+include $(KERNEL_ROOT)/compiler.mk
@@ -0,0 +1,62 @@
+/*
+ * Copyright (c) 2020 AIIT XUOS Lab
+ * XiUOS is licensed under Mulan PSL v2.
+ * You can use this software according to the terms and conditions of the Mulan PSL v2.
+ * You may obtain a copy of Mulan PSL v2 at:
+ *        http://license.coscl.org.cn/MulanPSL2
+ * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
+ * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
+ * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
+ * See the Mulan PSL v2 for more details.
+ */
+/**
+ * @file clock_irq_handler.c
+ * @brief clock interrupt handler
+ * @version 3.0
+ * @author AIIT XUOS Lab
+ * @date 2023.08.25
+ */
+
+/*************************************************
+File name: clock_irq_handler.c
+Description: clock interrupt handler
+Others:
+History:
+1. Date: 2023-08-28
+Author: AIIT XUOS Lab
+Modification:
+1. first version
+*************************************************/
+#include "clock_common_op.h"
+
+#include "actracer.h"
+#include "assert.h"
+#include "multicores.h"
+#include "task.h"
+
+static struct TraceTag clock_driver_tag;
+static struct XiziClockDriver* p_clock_driver = NULL;
+
+bool clock_intr_handler_init(struct TraceTag* p_clock_driver_tag)
+{
+    clock_driver_tag = *p_clock_driver_tag;
+    p_clock_driver = AchieveResource(p_clock_driver_tag);
+    return p_clock_driver != NULL;
+}
+
+uint64_t global_tick = 0;
+int xizi_clock_handler(int irq, void* tf, void* arg)
+{
+    /* handle clock interrupt using driver */
+    p_clock_driver->clear_clock_intr();
+    global_tick++;
+    struct TaskMicroDescriptor* current_task = cur_cpu()->task;
+    if (current_task) {
+        current_task->remain_tick--;
+        current_task->maxium_tick--;
+        if (current_task->remain_tick == 0) {
+            xizi_task_manager.cur_task_yield_noschedule();
+        }
+    }
+    return 0;
+}
@@ -0,0 +1,95 @@
+/*
+ * Copyright (c) 2020 AIIT XUOS Lab
+ * XiUOS is licensed under Mulan PSL v2.
+ * You can use this software according to the terms and conditions of the Mulan PSL v2.
+ * You may obtain a copy of Mulan PSL v2 at:
+ *        http://license.coscl.org.cn/MulanPSL2
+ * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
+ * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
+ * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
+ * See the Mulan PSL v2 for more details.
+ */
+/**
+ * @file default_irq_handler.c
+ * @brief irq distributor
+ * @version 3.0
+ * @author AIIT XUOS Lab
+ * @date 2023.08.25
+ */
+
+/*************************************************
+File name: default_irq_handler.c
+Description: irq distributor
+Others:
+History:
+1. Date: 2023-08-28
+Author: AIIT XUOS Lab
+Modification:
+1. first version
+*************************************************/
+#include <stddef.h>
+
+#include "core.h"
+#include "trap_common.h"
+
+#include "assert.h"
+#include "log.h"
+#include "multicores.h"
+#include "task.h"
+
+static struct IrqDispatcherRightGroup right_group;
+static struct XiziTrapDriver* p_intr_driver = NULL;
+bool intr_distributer_init(struct IrqDispatcherRightGroup* _right_group)
+{
+    right_group = *_right_group;
+    p_intr_driver = AchieveResource(&_right_group->intr_driver_tag);
+    return p_intr_driver != NULL;
+}
+
+void default_interrupt_routine(void)
+{
+    /* default handler borrow the rights of dispatcher */
+    ///@todo Support other cores. (currently assume that CPU_0 is used)
+    ERROR("Interrupt %d has been asserted\n", p_intr_driver->curr_int[0]);
+}
+
+extern void context_switch(struct context**, struct context*);
+void intr_irq_dispatch(struct trapframe* tf)
+{
+    assert(p_intr_driver != NULL);
+
+    p_intr_driver->cpu_irq_disable();
+    // enter irq
+    uint32_t int_info = 0;
+    if ((int_info = p_intr_driver->hw_before_irq()) == 0) {
+        return;
+    }
+
+    struct TaskMicroDescriptor* current_task = cur_cpu()->task;
+    if (LIKELY(current_task != NULL)) {
+        current_task->main_thread.trapframe = tf;
+    }
+
+    unsigned cpu = p_intr_driver->hw_cur_int_cpu(int_info);
+    unsigned irq = p_intr_driver->hw_cur_int_num(int_info);
+    p_intr_driver->curr_int[cpu] = irq;
+
+    // distribute irq
+    irq_handler_t isr = p_intr_driver->sw_irqtbl[irq].handler;
+    if (isr) {
+        isr(irq, tf, NULL);
+    } else {
+        default_interrupt_routine();
+    }
+
+    // finish irq.
+    p_intr_driver->curr_int[cpu] = 0;
+    p_intr_driver->hw_after_irq(int_info);
+
+    if (UNLIKELY(cur_cpu()->task == NULL && current_task != NULL)) {
+        context_switch(&current_task->main_thread.context, cur_cpu()->scheduler);
+    }
+    assert(current_task == cur_cpu()->task);
+
+    p_intr_driver->cpu_irq_enable();
+}
@@ -0,0 +1,79 @@
+/*
+ * Copyright (c) 2020 AIIT XUOS Lab
+ * XiUOS is licensed under Mulan PSL v2.
+ * You can use this software according to the terms and conditions of the Mulan PSL v2.
+ * You may obtain a copy of Mulan PSL v2 at:
+ *        http://license.coscl.org.cn/MulanPSL2
+ * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
+ * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
+ * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
+ * See the Mulan PSL v2 for more details.
+ */
+/**
+ * @file software_irq_handler.c
+ * @brief syscall distributor
+ * @version 3.0
+ * @author AIIT XUOS Lab
+ * @date 2023.08.25
+ */
+
+/*************************************************
+File name: software_irq_handler.c
+Description: syscall distributor
+Others:
+History:
+1. Date: 2023-08-28
+Author: AIIT XUOS Lab
+Modification:
+1. first version
+*************************************************/
+#include "core.h"
+#include "trap_common.h"
+
+#include "assert.h"
+#include "multicores.h"
+#include "syscall.h"
+#include "task.h"
+
+static struct SwiDispatcherRightGroup right_group;
+static struct XiziTrapDriver* p_intr_driver = NULL;
+
+bool swi_distributer_init(struct SwiDispatcherRightGroup* _right_group)
+{
+    right_group = *_right_group;
+    p_intr_driver = AchieveResource(&_right_group->intr_driver_tag);
+    return p_intr_driver != NULL;
+}
+
+extern void context_switch(struct context**, struct context*);
+void software_irq_dispatch(struct trapframe* tf)
+{
+    assert(p_intr_driver != NULL);
+
+    p_intr_driver->cpu_irq_disable();
+    // get current task
+    struct TaskMicroDescriptor* cur_task = cur_cpu()->task;
+    /// @todo: Handle dead task
+
+    int syscall_num = -1;
+    if (cur_task && cur_task->state != DEAD) {
+        cur_task->main_thread.trapframe = tf;
+        // call syscall
+        int ret = arch_syscall(cur_task->main_thread.trapframe, &syscall_num);
+
+        if (syscall_num != SYSCALL_EXEC) {
+            arch_set_return(tf, ret);
+        }
+    } else {
+        ERROR("syscall by killed task.\n");
+    }
+
+    if (cur_cpu()->task == NULL && cur_task != NULL) {
+        context_switch(&cur_task->main_thread.context, cur_cpu()->scheduler);
+    }
+    assert(cur_task == cur_cpu()->task);
+    if (syscall_num == SYSCALL_EXIT) {
+        ERROR("Exit reaches");
+    }
+    p_intr_driver->cpu_irq_enable();
+}