第一次提交

arch/include/armv7-r/exceptions.h

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+/*
+ * exceptions.h
+ *
+ * Copyright (c) 2021 Semidrive Semiconductor.
+ * All rights reserved.
+ *
+ * Description: ARMV7R exceptions interface.
+ *
+ * Revision History:
+ * -----------------
+ */
+
+#ifndef INCLUDE_ARCH_ARMV7R_EXCEPTIONS_H
+#define INCLUDE_ARCH_ARMV7R_EXCEPTIONS_H
+
+struct arm_iframe {
+#if CONFIG_ARCH_WITH_FPU
+    uint32_t fpexc;
+#endif
+    uint32_t usp;
+    uint32_t ulr;
+    uint32_t r0;
+    uint32_t r1;
+    uint32_t r2;
+    uint32_t r3;
+    uint32_t r4;
+    uint32_t r12;
+    uint32_t lr;
+    uint32_t pc;
+    uint32_t spsr;
+};
+
+struct arm_fault_frame {
+#if CONFIG_ARCH_WITH_FPU
+    uint32_t fpexc;
+#endif
+    uint32_t usp;
+    uint32_t ulr;
+    uint32_t r[13];
+    uint32_t lr;
+    uint32_t pc;
+    uint32_t spsr;
+};
+
+struct arm_mode_regs {
+    uint32_t usr_r13, usr_r14;
+    uint32_t fiq_r13, fiq_r14;
+    uint32_t irq_r13, irq_r14;
+    uint32_t svc_r13, svc_r14;
+    uint32_t abt_r13, abt_r14;
+    uint32_t und_r13, und_r14;
+    uint32_t sys_r13, sys_r14;
+};
+
+void arm_save_mode_regs(struct arm_mode_regs *regs);
+void Arm_Undefined_Handler(void);
+void Arm_Prefetch_Handler(void);
+void Arm_Abort_Handler(void);
+void Arm_SWI_Handler(void);
+void Arm_IRQ_Handler(void);
+void Arm_FIQ_Handler(void);
+void arm_reserved(void);
+
+#endif