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exception handler

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Amoelle
2025-07-18 19:36:31 +03:00
parent 8fae948c32
commit f9a858c953
2 changed files with 145 additions and 6 deletions
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48
kernel.h
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@@ -1,10 +1,58 @@
#pragma once
#include "common.h"
struct sbiret {
long error;
long value;
};
struct trap_frame {
uint32_t ra;
uint32_t gp;
uint32_t tp;
uint32_t t0;
uint32_t t1;
uint32_t t2;
uint32_t t3;
uint32_t t4;
uint32_t t5;
uint32_t t6;
uint32_t a0;
uint32_t a1;
uint32_t a2;
uint32_t a3;
uint32_t a4;
uint32_t a5;
uint32_t a6;
uint32_t a7;
uint32_t s0;
uint32_t s1;
uint32_t s2;
uint32_t s3;
uint32_t s4;
uint32_t s5;
uint32_t s6;
uint32_t s7;
uint32_t s8;
uint32_t s9;
uint32_t s10;
uint32_t s11;
uint32_t sp;
} __attribute__ ((packed));
#define READ_CSR(reg) \
({ \
unsigned long __tmp; \
__asm__ __volatile__("csrr %0, " #reg : "=r"(__tmp)); \
__tmp; \
})
#define WRITE_CSR(reg, value) \
do { \
uint32_t __tmp = (value); \
__asm__ __volatile__("csrw " #reg ", %0 " ::"r"(__tmp)); \
} while (0)
#define PANIC(fmt, ...) \
do { \
printf("YOU GOT A PANIC ERROR: %s:%d: " fmt "\n", __FILE__, __LINE__, ##__VA_ARGS__); \