Fully support userland interrupt handler. Use fixed common abort handler.

2024-04-28 14:44:49 +08:00
parent a7cbb0d041
commit a24d73f710
25 changed files with 260 additions and 154 deletions
@@ -0,0 +1,86 @@
+/* Copyright (c) 2006-2018 Frans Kaashoek, Robert Morris, Russ Cox,
+ *                        Massachusetts Institute of Technology
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+ * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+ * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+ * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+/**
+ * @file abort_handler.c
+ * @brief handle program abort
+ * @version 3.0
+ * @author AIIT XUOS Lab
+ * @date 2023.11.23
+ */
+
+/*************************************************
+File name: abort_handler.c
+Description: handle program abort
+Others:
+History:
+1. Date: 2023-11-23
+Author: AIIT XUOS Lab
+Modification:
+1. Modify iabort and dabort handler(in dabort_handler() and iabort_handler())
+*************************************************/
+#include "core.h"
+#include "memlayout.h"
+#include "spinlock.h"
+#include "trap_common.h"
+
+#include "assert.h"
+#include "multicores.h"
+#include "syscall.h"
+#include "task.h"
+
+extern void context_switch(struct context**, struct context*);
+void dabort_handler(struct trapframe* r)
+{
+    if (r->pc >= DEV_VRTMEM_BASE && is_spinlock_hold_by_current_cpu(&whole_kernel_lock)) {
+        assert(is_spinlock_hold_by_current_cpu(&whole_kernel_lock));
+        dabort_reason(r);
+        panic("data abort exception\n");
+    }
+
+    xizi_enter_kernel();
+
+    struct TaskMicroDescriptor* cur_task = cur_cpu()->task;
+    ERROR("dabort in user space: %s\n", cur_task->name);
+    dabort_reason(r);
+    sys_exit(cur_task);
+    assert(cur_cpu()->task == NULL);
+    context_switch(&cur_task->main_thread.context, cur_cpu()->scheduler);
+}
+
+void iabort_handler(struct trapframe* r)
+{
+    if (r->pc >= DEV_VRTMEM_BASE && is_spinlock_hold_by_current_cpu(&whole_kernel_lock)) {
+        assert(is_spinlock_hold_by_current_cpu(&whole_kernel_lock));
+        iabort_reason(r);
+        panic("kernel prefetch abort exception\n");
+    }
+
+    xizi_enter_kernel();
+
+    struct TaskMicroDescriptor* cur_task = cur_cpu()->task;
+    ERROR("iabort in user space: %s\n", cur_task->name);
+    iabort_reason(r);
+    sys_exit(cur_task);
+    assert(cur_cpu()->task == NULL);
+    context_switch(&cur_task->main_thread.context, cur_cpu()->scheduler);
+}