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riscv: Adjust the _exit_trap() position to come before handle_trap()

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With this change, we can avoid a forward declaration.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Lukas Auer <lukas.auer@aisec.fraunhofer.de>
Reviewed-by: Anup Patel <anup@brainfault.org>
This commit is contained in:
Bin Meng
2018-12-12 06:12:44 -08:00
committed by Andes
parent 10753ef8fd
commit 7f5d35a547
1 changed files with 30 additions and 32 deletions
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62
arch/riscv/lib/interrupts.c
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@@ -12,7 +12,36 @@
#include <asm/system.h> #include <asm/system.h>
#include <asm/encoding.h> #include <asm/encoding.h>
static void _exit_trap(ulong code, ulong epc, struct pt_regs *regs); static void _exit_trap(ulong code, ulong epc, struct pt_regs *regs)
{
static const char * const exception_code[] = {
"Instruction address misaligned",
"Instruction access fault",
"Illegal instruction",
"Breakpoint",
"Load address misaligned",
"Load access fault",
"Store/AMO address misaligned",
"Store/AMO access fault",
"Environment call from U-mode",
"Environment call from S-mode",
"Reserved",
"Environment call from M-mode",
"Instruction page fault",
"Load page fault",
"Reserved",
"Store/AMO page fault",
};
if (code < ARRAY_SIZE(exception_code)) {
printf("exception code: %ld , %s , epc %lx , ra %lx\n",
code, exception_code[code], epc, regs->ra);
} else {
printf("Reserved\n");
}
hang();
}
int interrupt_init(void) int interrupt_init(void)
{ {
@@ -72,34 +101,3 @@ __attribute__((weak)) void external_interrupt(struct pt_regs *regs)
__attribute__((weak)) void timer_interrupt(struct pt_regs *regs) __attribute__((weak)) void timer_interrupt(struct pt_regs *regs)
{ {
} }
static void _exit_trap(ulong code, ulong epc, struct pt_regs *regs)
{
static const char * const exception_code[] = {
"Instruction address misaligned",
"Instruction access fault",
"Illegal instruction",
"Breakpoint",
"Load address misaligned",
"Load access fault",
"Store/AMO address misaligned",
"Store/AMO access fault",
"Environment call from U-mode",
"Environment call from S-mode",
"Reserved",
"Environment call from M-mode",
"Instruction page fault",
"Load page fault",
"Reserved",
"Store/AMO page fault",
};
if (code < ARRAY_SIZE(exception_code)) {
printf("exception code: %ld , %s , epc %lx , ra %lx\n",
code, exception_code[code], epc, regs->ra);
} else {
printf("Reserved\n");
}
hang();
}