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kern: SvcReturnFromException

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This commit is contained in:
Michael Scire
2020-07-31 05:52:59 -07:00
committed by SciresM
parent 8cd81b3092
commit 5d462c626c
11 changed files with 647 additions and 56 deletions
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15
libraries/libmesosphere/include/mesosphere/arch/arm64/kern_k_debug.hpp
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@@ -47,6 +47,21 @@ namespace ams::kern::arch::arm64 {
static Result BreakIfAttached(ams::svc::BreakReason break_reason, uintptr_t address, size_t size);
static Result SetHardwareBreakPoint(ams::svc::HardwareBreakPointRegisterName name, u64 flags, u64 value);
static constexpr bool IsBreakInstruction(u32 insn, u32 psr) {
constexpr u32 BreakInstructionAarch64 = 0xE7FFFFFF;
constexpr u32 BreakInstructionAarch32 = 0xE7FFDEFE;
constexpr u32 BreakInstructionThumb32 = 0xB68E;
if ((psr & 0x10) == 0) {
return insn == BreakInstructionAarch64;
} else {
if ((psr & 0x20) == 0) {
return insn == BreakInstructionAarch32;
} else {
return insn == BreakInstructionThumb32;
}
}
}
/* TODO: This is a placeholder definition. */
};