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kern: implement enough of KPageTable to initialize a thread

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This commit is contained in:
Michael Scire 2020-02-13 17:38:56 -08:00
parent c6d1579265
commit 8c93eb5712
31 changed files with 1475 additions and 270 deletions
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17
libraries/libmesosphere/include/mesosphere/arch/arm64/kern_cpu.hpp
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@ -124,11 +124,28 @@ namespace ams::kern::arm64::cpu {
ClearPageToZeroImpl(page);
}
ALWAYS_INLINE void InvalidateTlbByAsid(u32 asid) {
const u64 value = (static_cast<u64>(asid) << 48);
__asm__ __volatile__("tlbi aside1is, %[value]" :: [value]"r"(static_cast<u64>(value) << 48) : "memory");
EnsureInstructionConsistency();
}
ALWAYS_INLINE void InvalidateTlbByAsidAndVa(u32 asid, KProcessAddress virt_addr) {
const u64 value = (static_cast<u64>(asid) << 48) | ((GetInteger(virt_addr) >> 12) & 0xFFFFFFFFFFFul);
__asm__ __volatile__("tlbi aside1is, %[value]" :: [value]"r"(value) : "memory");
EnsureInstructionConsistency();
}
ALWAYS_INLINE void InvalidateEntireTlb() {
__asm__ __volatile__("tlbi vmalle1is" ::: "memory");
EnsureInstructionConsistency();
}
ALWAYS_INLINE void InvalidateEntireTlbDataOnly() {
__asm__ __volatile__("tlbi vmalle1is" ::: "memory");
DataSynchronizationBarrier();
}
ALWAYS_INLINE uintptr_t GetCoreLocalRegionAddress() {
register uintptr_t x18 asm("x18");
__asm__ __volatile__("" : [x18]"=r"(x18));