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thermosphere: better self-debug fault reporting

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This commit is contained in:
TuxSH 2020-02-01 23:42:08 +00:00
parent 0b7efc0501
commit b0ae19a6f9
2 changed files with 14 additions and 6 deletions
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18
thermosphere/src/exceptions.c
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@ -26,6 +26,7 @@
#include "spinlock.h" #include "spinlock.h"
#include "debug_manager.h" #include "debug_manager.h"
#include "timer.h" #include "timer.h"
#include "memory_map.h"
#include "fpu.h" #include "fpu.h"
@ -56,6 +57,8 @@ bool spsrEvaluateConditionCode(u64 spsr, u32 conditionCode)
void dumpStackFrame(const ExceptionStackFrame *frame, bool sameEl) void dumpStackFrame(const ExceptionStackFrame *frame, bool sameEl)
{ {
#ifndef NDEBUG #ifndef NDEBUG
uintptr_t stackTop = memoryMapGetStackTop(currentCoreCtx->coreId);
for (u32 i = 0; i < 30; i += 2) { for (u32 i = 0; i < 30; i += 2) {
DEBUG("x%u\t\t%016llx\t\tx%u\t\t%016llx\n", i, frame->x[i], i + 1, frame->x[i + 1]); DEBUG("x%u\t\t%016llx\t\tx%u\t\t%016llx\n", i, frame->x[i], i + 1, frame->x[i + 1]);
} }
@ -74,15 +77,18 @@ void dumpStackFrame(const ExceptionStackFrame *frame, bool sameEl)
if (frame == currentCoreCtx->guestFrame) { if (frame == currentCoreCtx->guestFrame) {
DEBUG("cntp_ctl_el0\t%016llx\n", frame->cntp_ctl_el0); DEBUG("cntp_ctl_el0\t%016llx\n", frame->cntp_ctl_el0);
DEBUG("cntv_ctl_el0\t%016llx\n", frame->cntv_ctl_el0); DEBUG("cntv_ctl_el0\t%016llx\n", frame->cntv_ctl_el0);
}/* else { } else if ((frame->sp_el2 & ~0xFFFul) + 0x1000 == stackTop) {
// Try to dump the stack (comment if this crashes) // Try to dump the stack (comment if this crashes)
u64 *sp = (u64 *)(frame->sp_el2 - 8); u64 *sp = (u64 *)frame->sp_el2;
u64 *spEnd = (u64 *)((frame->sp_el2 & ~0xFFF) + 0x1000); u64 *spEnd = sp + 0x20;
u64 *spMax = (u64 *)((frame->sp_el2 + 0xFFF) & ~0xFFFul);
DEBUG("Stack trace:\n"); DEBUG("Stack trace:\n");
while (sp < spEnd) { while (sp < spEnd && sp < spMax) {
DEBUG("\t%016lx\n", *--sp); DEBUG("\t%016lx\n", *sp++);
}
} else {
DEBUG("Stack overflow/double fault detected!\n");
} }
}*/
#else #else
(void)frame; (void)frame;
(void)sameEl; (void)sameEl;

2
thermosphere/src/memory_map.h
View File

@ -60,5 +60,7 @@ typedef struct LoadImageLayout {
extern LoadImageLayout g_loadImageLayout; extern LoadImageLayout g_loadImageLayout;
uintptr_t memoryMapGetStackTop(u32 coreId);
// Non-reentrant // Non-reentrant
uintptr_t memoryMapPlatformMmio(uintptr_t pa, size_t size); uintptr_t memoryMapPlatformMmio(uintptr_t pa, size_t size);