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thermosphere: some gdb/debug refactor

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This commit is contained in:
TuxSH 2020-01-23 02:15:03 +00:00
parent c89ce085a6
commit abeaa72f94
6 changed files with 164 additions and 496 deletions
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17
thermosphere/src/exceptions.h
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@ -135,6 +135,23 @@ static inline void writeFrameRegisterZ(ExceptionStackFrame *frame, u32 id, u64 v
}
}
static inline uintptr_t exceptionGetSp(const ExceptionStackFrame *frame)
{
// Note: the return value is more or less meaningless if we took an exception from A32...
// We try our best to reflect which privilege level the exception was took from, nonetheless
bool spEl0;
u64 m = frame->spsr_el2 & 0xF;
if (spsrIsA32(frame->spsr_el2)) {
spEl0 = m == 0;
} else {
u64 el = m >> 2;
spEl0 = el == 2 || el == 0 || (m & 1) == 0; // note: frame->sp_el2 is aliased to frame->sp_el0
}
return spEl0 ? frame->sp_el0 : frame->sp_el1;
}
bool spsrEvaluateConditionCode(u64 spsr, u32 conditionCode);
void skipFaultingInstruction(ExceptionStackFrame *frame, u32 size);
void dumpStackFrame(const ExceptionStackFrame *frame, bool sameEl);