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thermosphere: rewrite sysreg trapping code, add skeleton code for timer val trap handling; support A32 EL1 once again

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This commit is contained in:
TuxSH
2020-01-07 02:17:05 +00:00
parent d42d9e60b9
commit b9d07fccd6
9 changed files with 217 additions and 74 deletions
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10
thermosphere/src/exceptions.h
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@@ -102,11 +102,21 @@ static inline void spsrSetT32ItFlags(u64 *spsr, u32 itFlags)
*spsr |= ((itFlags >> 2) & 0x3F) << 10;
}
static inline u64 readFrameRegister(ExceptionStackFrame *frame, u32 id)
{
return frame->x[id];
}
static inline u64 readFrameRegisterZ(ExceptionStackFrame *frame, u32 id)
{
return id == 31 ? 0 /* xzr */ : frame->x[id];
}
static inline void writeFrameRegister(ExceptionStackFrame *frame, u32 id, u64 val)
{
frame->x[id] = val;
}
static inline void writeFrameRegisterZ(ExceptionStackFrame *frame, u32 id, u64 val)
{
if (id != 31) {