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kern: implement KUserPointer (and test with QueryMemory) in advance of svc dev

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This commit is contained in:
Michael Scire
2020-02-20 09:05:01 -08:00
parent 9f9593e05f
commit efae01c165
17 changed files with 460 additions and 72 deletions
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8
libraries/libmesosphere/source/arch/arm64/kern_cpu.cpp
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@@ -294,7 +294,7 @@ namespace ams::kern::arch::arm64::cpu {
ALWAYS_INLINE Result InvalidateDataCacheRange(uintptr_t start, uintptr_t end) {
MESOSPHERE_ASSERT(util::IsAligned(start, DataCacheLineSize));
MESOSPHERE_ASSERT(util::IsAligned(end, DataCacheLineSize));
R_UNLESS(arm64::InvalidateDataCache(start, end), svc::ResultInvalidCurrentMemory());
R_UNLESS(UserspaceAccess::InvalidateDataCache(start, end), svc::ResultInvalidCurrentMemory());
DataSynchronizationBarrier();
return ResultSuccess();
}
@@ -302,7 +302,7 @@ namespace ams::kern::arch::arm64::cpu {
ALWAYS_INLINE Result StoreDataCacheRange(uintptr_t start, uintptr_t end) {
MESOSPHERE_ASSERT(util::IsAligned(start, DataCacheLineSize));
MESOSPHERE_ASSERT(util::IsAligned(end, DataCacheLineSize));
R_UNLESS(arm64::StoreDataCache(start, end), svc::ResultInvalidCurrentMemory());
R_UNLESS(UserspaceAccess::StoreDataCache(start, end), svc::ResultInvalidCurrentMemory());
DataSynchronizationBarrier();
return ResultSuccess();
}
@@ -310,7 +310,7 @@ namespace ams::kern::arch::arm64::cpu {
ALWAYS_INLINE Result FlushDataCacheRange(uintptr_t start, uintptr_t end) {
MESOSPHERE_ASSERT(util::IsAligned(start, DataCacheLineSize));
MESOSPHERE_ASSERT(util::IsAligned(end, DataCacheLineSize));
R_UNLESS(arm64::FlushDataCache(start, end), svc::ResultInvalidCurrentMemory());
R_UNLESS(UserspaceAccess::FlushDataCache(start, end), svc::ResultInvalidCurrentMemory());
DataSynchronizationBarrier();
return ResultSuccess();
}
@@ -318,7 +318,7 @@ namespace ams::kern::arch::arm64::cpu {
ALWAYS_INLINE Result InvalidateInstructionCacheRange(uintptr_t start, uintptr_t end) {
MESOSPHERE_ASSERT(util::IsAligned(start, InstructionCacheLineSize));
MESOSPHERE_ASSERT(util::IsAligned(end, InstructionCacheLineSize));
R_UNLESS(arm64::InvalidateInstructionCache(start, end), svc::ResultInvalidCurrentMemory());
R_UNLESS(UserspaceAccess::InvalidateInstructionCache(start, end), svc::ResultInvalidCurrentMemory());
EnsureInstructionConsistency();
return ResultSuccess();
}