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kern: fix incorrect cache routines, implement SvcSetProcessMemoryPermission

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This commit is contained in:
Michael Scire 2020-07-20 19:59:12 -07:00 • committed by SciresM
parent 26df56cd87
commit 4fca870f2f
4 changed files with 57 additions and 11 deletions
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12
libraries/libmesosphere/source/arch/arm64/kern_cpu.cpp
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@ -370,24 +370,24 @@ namespace ams::kern::arch::arm64::cpu {
Result StoreDataCache(const void *addr, size_t size) {
KScopedCoreMigrationDisable dm;
const uintptr_t start = util::AlignDown(reinterpret_cast<uintptr_t>(addr), DataCacheLineSize);
const uintptr_t end = util::AlignUp( reinterpret_cast<uintptr_t>(addr), DataCacheLineSize);
const uintptr_t start = util::AlignDown(reinterpret_cast<uintptr_t>(addr), DataCacheLineSize);
const uintptr_t end = util::AlignUp( reinterpret_cast<uintptr_t>(addr) + size, DataCacheLineSize);
return StoreDataCacheRange(start, end);
}
Result FlushDataCache(const void *addr, size_t size) {
KScopedCoreMigrationDisable dm;
const uintptr_t start = util::AlignDown(reinterpret_cast<uintptr_t>(addr), DataCacheLineSize);
const uintptr_t end = util::AlignUp( reinterpret_cast<uintptr_t>(addr), DataCacheLineSize);
const uintptr_t start = util::AlignDown(reinterpret_cast<uintptr_t>(addr), DataCacheLineSize);
const uintptr_t end = util::AlignUp( reinterpret_cast<uintptr_t>(addr) + size, DataCacheLineSize);
return FlushDataCacheRange(start, end);
}
Result InvalidateInstructionCache(void *addr, size_t size) {
KScopedCoreMigrationDisable dm;
const uintptr_t start = util::AlignDown(reinterpret_cast<uintptr_t>(addr), InstructionCacheLineSize);
const uintptr_t end = util::AlignUp( reinterpret_cast<uintptr_t>(addr), InstructionCacheLineSize);
const uintptr_t start = util::AlignDown(reinterpret_cast<uintptr_t>(addr), InstructionCacheLineSize);
const uintptr_t end = util::AlignUp( reinterpret_cast<uintptr_t>(addr) + size, InstructionCacheLineSize);
R_TRY(InvalidateInstructionCacheRange(start, end));

8
libraries/libmesosphere/source/arch/arm64/kern_exception_handlers.cpp
View file

@ -40,6 +40,14 @@ namespace ams::kern::arch::arm64 {
MESOSPHERE_LOG("User Exception occurred in %s\n", cur_process->GetName());
for (size_t i = 0; i < 31; i++) {
MESOSPHERE_LOG("X[%02zu] = %016lx\n", i, context->x[i]);
}
MESOSPHERE_LOG("PC = %016lx\n", context->pc);
MESOSPHERE_LOG("SP = %016lx\n", context->sp);
MESOSPHERE_PANIC("Unhandled Exception in Supervisor Mode\n");
const u64 ec = (esr >> 26) & 0x3F;
switch (ec) {
case 0x0: /* Unknown */