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kern: fix bugs caused by UB + transition to -Os

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This commit is contained in:
Michael Scire 2020-12-01 18:41:44 -08:00 • committed by SciresM
parent 1b164613a6
commit 3c8e7de915
4 changed files with 49 additions and 45 deletions
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8
libraries/libmesosphere/include/mesosphere/arch/arm64/kern_k_spin_lock.hpp
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@ -25,7 +25,7 @@ namespace ams::kern::arch::arm64 {
public:
constexpr KNotAlignedSpinLock() : packed_tickets(0) { /* ... */ }
void Lock() {
ALWAYS_INLINE void Lock() {
u32 tmp0, tmp1, tmp2;
__asm__ __volatile__(
@ -52,7 +52,7 @@ namespace ams::kern::arch::arm64 {
);
}
void Unlock() {
ALWAYS_INLINE void Unlock() {
const u32 value = this->packed_tickets + 1;
__asm__ __volatile__(
" stlrh %w[value], %[packed_tickets]\n"
@ -71,7 +71,7 @@ namespace ams::kern::arch::arm64 {
public:
constexpr KAlignedSpinLock() : current_ticket(0), next_ticket(0) { /* ... */ }
void Lock() {
ALWAYS_INLINE void Lock() {
u32 tmp0, tmp1, got_lock;
__asm__ __volatile__(
@ -94,7 +94,7 @@ namespace ams::kern::arch::arm64 {
);
}
void Unlock() {
ALWAYS_INLINE void Unlock() {
const u32 value = this->current_ticket + 1;
__asm__ __volatile__(
" stlrh %w[value], %[current_ticket]\n"