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panic: don't trace non-kernel addresses and disable interrupts on panic

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Matheus
2022-09-19 18:36:23 -03:00
parent 3f18b6e392
commit 0d63bfcc0e
1 changed files with 2 additions and 2 deletions
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src/arch/x86_64/panic.c
+2 -2
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@@ -9,7 +9,7 @@
static void tracestack(uint64_t** addr){ static void tracestack(uint64_t** addr){
for(size_t depth = 0; depth < TRACE_MAXDEPTH; ++depth){ for(size_t depth = 0; depth < TRACE_MAXDEPTH; ++depth){
if(addr < (uint64_t)0xFFFFFFFF80000000) return;
uint64_t *calleeaddr = *(addr + 1); uint64_t *calleeaddr = *(addr + 1);
addr = (uint64_t**)*addr; addr = (uint64_t**)*addr;
@@ -20,7 +20,7 @@ static void tracestack(uint64_t** addr){
} }
__attribute((noreturn)) void _panic(char* reason, arch_regs *reg){ __attribute((noreturn)) void _panic(char* reason, arch_regs *reg){
asm volatile("cli");
printf("PANIC: %s\n", reason); printf("PANIC: %s\n", reason);
// XXX maybe this should be an NMI? // XXX maybe this should be an NMI?