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kern: use different psr masks for 64 and 32-bit El0 threads

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This commit is contained in:
Michael Scire 2023-02-21 03:20:49 -07:00 • committed by SciresM
parent e7e3e7b374
commit 695c125721
4 changed files with 13 additions and 16 deletions
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10
libraries/libmesosphere/source/arch/arm64/kern_k_debug.cpp
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@ -37,8 +37,6 @@ namespace ams::kern::arch::arm64 {
static_assert(ForbiddenWatchPointFlagsMask == 0xFFFFFFFF00F0E006ul);
constexpr inline u32 El0PsrMask = 0xFF0FFE20;
}
uintptr_t KDebug::GetProgramCounter(const KThread &thread) {
@ -104,7 +102,7 @@ namespace ams::kern::arch::arm64 {
out->lr = e_ctx->x[30];
out->sp = e_ctx->sp;
out->pc = e_ctx->pc;
out->pstate = (e_ctx->psr & El0PsrMask);
out->pstate = (e_ctx->psr & cpu::El0Aarch64PsrMask);
/* Adjust PC if we should. */
if (e_ctx->write == 0 && thread->IsCallingSvc()) {
@ -119,7 +117,7 @@ namespace ams::kern::arch::arm64 {
out->lr = 0;
out->sp = 0;
out->pc = e_ctx->pc;
out->pstate = (e_ctx->psr & El0PsrMask);
out->pstate = (e_ctx->psr & cpu::El0Aarch32PsrMask);
/* Adjust PC if we should. */
if (e_ctx->write == 0 && thread->IsCallingSvc()) {
@ -166,7 +164,7 @@ namespace ams::kern::arch::arm64 {
e_ctx->x[30] = ctx.lr;
e_ctx->sp = ctx.sp;
e_ctx->pc = ctx.pc;
e_ctx->psr = ((ctx.pstate & El0PsrMask) | (e_ctx->psr & ~El0PsrMask));
e_ctx->psr = ((ctx.pstate & cpu::El0Aarch64PsrMask) | (e_ctx->psr & ~cpu::El0Aarch64PsrMask));
e_ctx->tpidr = ctx.tpidr;
} else {
e_ctx->x[13] = static_cast<u32>(ctx.r[13]);
@ -174,7 +172,7 @@ namespace ams::kern::arch::arm64 {
e_ctx->x[30] = 0;
e_ctx->sp = 0;
e_ctx->pc = static_cast<u32>(ctx.pc);
e_ctx->psr = ((ctx.pstate & El0PsrMask) | (e_ctx->psr & ~El0PsrMask));
e_ctx->psr = ((ctx.pstate & cpu::El0Aarch32PsrMask) | (e_ctx->psr & ~cpu::El0Aarch32PsrMask));
e_ctx->tpidr = ctx.tpidr;
}
}