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kern: fix ARM vs THUMB mode selection on 32-bit entry

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This commit is contained in:
Michael Scire 2020-07-29 15:29:01 -07:00 committed by SciresM
parent 36a3909a24
commit 5de853b662
4 changed files with 18 additions and 2 deletions
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4
libraries/libmesosphere/include/mesosphere/arch/arm64/kern_k_process_page_table.hpp
View file

@ -220,6 +220,10 @@ namespace ams::kern::arch::arm64 {
return this->page_table.DumpTable();
}
void DumpMemoryBlocks() const {
return this->page_table.DumpMemoryBlocks();
}
bool GetPhysicalAddress(KPhysicalAddress *out, KProcessAddress address) const {
return this->page_table.GetPhysicalAddress(out, address);
}

10
libraries/libmesosphere/include/mesosphere/kern_k_page_table_base.hpp
View file

@ -355,6 +355,16 @@ namespace ams::kern {
KScopedLightLock lk(this->general_lock);
this->GetImpl().Dump(GetInteger(this->address_space_start), this->address_space_end - this->address_space_start);
}
void DumpMemoryBlocks() const {
KScopedLightLock lk(this->general_lock);
this->DumpMemoryBlocksLocked();
}
void DumpMemoryBlocksLocked() const {
MESOSPHERE_ASSERT(this->IsLockedByCurrentThread());
this->memory_block_manager.DumpBlocks();
}
public:
KProcessAddress GetAddressSpaceStart() const { return this->address_space_start; }
KProcessAddress GetHeapRegionStart() const { return this->heap_region_start; }

1
libraries/libmesosphere/source/arch/arm64/kern_exception_handlers.cpp
View file

@ -48,6 +48,7 @@ namespace ams::kern::arch::arm64 {
/* Dump the page tables. */
/* GetCurrentProcess().GetPageTable().DumpTable(); */
GetCurrentProcess().GetPageTable().DumpMemoryBlocks();
MESOSPHERE_PANIC("Unhandled Exception in User Mode\n");

5
libraries/libmesosphere/source/arch/arm64/kern_k_thread_context.cpp
View file

@ -77,9 +77,10 @@ namespace ams::kern::arch::arm64 {
if (is_64_bit) {
ctx->psr = 0;
} else {
constexpr u64 PsrArmValue = 0x20;
constexpr u64 PsrThumbValue = 0x00;
constexpr u64 PsrArmValue = 0x00;
constexpr u64 PsrThumbValue = 0x20;
ctx->psr = ((pc & 1) == 0 ? PsrArmValue : PsrThumbValue) | (0x10);
MESOSPHERE_LOG("Creating User 32-Thread, %016lx\n", GetInteger(pc));
}
/* Set stack pointer. */