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kern: fix multicore instruction cache invalidation

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This commit is contained in:
Michael Scire 2020-08-03 18:39:32 -07:00 • committed by SciresM
parent f058536b59
commit b5f2698bf0
3 changed files with 72 additions and 35 deletions
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8
libraries/libmesosphere/include/mesosphere/arch/arm64/kern_cpu.hpp
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@ -59,11 +59,6 @@ namespace ams::kern::arch::arm64::cpu {
InstructionMemoryBarrier();
}
ALWAYS_INLINE void InvalidateEntireInstructionCache() {
__asm__ __volatile__("ic iallu" ::: "memory");
EnsureInstructionConsistency();
}
ALWAYS_INLINE void Yield() {
__asm__ __volatile__("yield" ::: "memory");
}
@ -179,6 +174,7 @@ namespace ams::kern::arch::arm64::cpu {
void ClearPageToZeroImpl(void *);
void FlushEntireDataCacheSharedForInit();
void FlushEntireDataCacheLocalForInit();
void InvalidateEntireInstructionCacheForInit();
void StoreEntireCacheForInit();
void FlushEntireDataCache();
@ -188,6 +184,8 @@ namespace ams::kern::arch::arm64::cpu {
Result FlushDataCache(const void *addr, size_t size);
Result InvalidateInstructionCache(void *addr, size_t size);
void InvalidateEntireInstructionCache();
ALWAYS_INLINE void ClearPageToZero(void *page) {
MESOSPHERE_ASSERT(util::IsAligned(reinterpret_cast<uintptr_t>(page), PageSize));
MESOSPHERE_ASSERT(page != nullptr);