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authorliamwhite <liamwhite@users.noreply.github.com>2023-07-26 16:33:28 +0200
committerGitHub <noreply@github.com>2023-07-26 16:33:28 +0200
commitd3da1e6517fe27670b6c2d713d144872d55057d8 (patch)
treeab5c72b17b15185ec40945c5ba29400569b50630 /src/core/memory.cpp
parentMerge pull request #11142 from german77/avoid_crash (diff)
parentFixes and workarounds to make UBSan happier on macOS (diff)
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Diffstat (limited to 'src/core/memory.cpp')
-rw-r--r--src/core/memory.cpp30
1 files changed, 17 insertions, 13 deletions
diff --git a/src/core/memory.cpp b/src/core/memory.cpp
index 179685b72..513bc4edb 100644
--- a/src/core/memory.cpp
+++ b/src/core/memory.cpp
@@ -73,7 +73,7 @@ struct Memory::Impl {
return {};
}
- return system.DeviceMemory().GetPointer<u8>(paddr) + vaddr;
+ return system.DeviceMemory().GetPointer<u8>(paddr + vaddr);
}
[[nodiscard]] u8* GetPointerFromDebugMemory(u64 vaddr) const {
@@ -84,7 +84,7 @@ struct Memory::Impl {
return {};
}
- return system.DeviceMemory().GetPointer<u8>(paddr) + vaddr;
+ return system.DeviceMemory().GetPointer<u8>(paddr + vaddr);
}
u8 Read8(const Common::ProcessAddress addr) {
@@ -205,7 +205,8 @@ struct Memory::Impl {
break;
}
case Common::PageType::Memory: {
- u8* mem_ptr = pointer + page_offset + (page_index << YUZU_PAGEBITS);
+ u8* mem_ptr =
+ reinterpret_cast<u8*>(pointer + page_offset + (page_index << YUZU_PAGEBITS));
on_memory(copy_amount, mem_ptr);
break;
}
@@ -447,7 +448,7 @@ struct Memory::Impl {
break;
case Common::PageType::Memory:
current_page_table->pointers[vaddr >> YUZU_PAGEBITS].Store(
- nullptr, Common::PageType::DebugMemory);
+ 0, Common::PageType::DebugMemory);
break;
default:
UNREACHABLE();
@@ -465,7 +466,8 @@ struct Memory::Impl {
case Common::PageType::DebugMemory: {
u8* const pointer{GetPointerFromDebugMemory(vaddr & ~YUZU_PAGEMASK)};
current_page_table->pointers[vaddr >> YUZU_PAGEBITS].Store(
- pointer - (vaddr & ~YUZU_PAGEMASK), Common::PageType::Memory);
+ reinterpret_cast<uintptr_t>(pointer) - (vaddr & ~YUZU_PAGEMASK),
+ Common::PageType::Memory);
break;
}
default:
@@ -505,7 +507,7 @@ struct Memory::Impl {
case Common::PageType::DebugMemory:
case Common::PageType::Memory:
current_page_table->pointers[vaddr >> YUZU_PAGEBITS].Store(
- nullptr, Common::PageType::RasterizerCachedMemory);
+ 0, Common::PageType::RasterizerCachedMemory);
break;
case Common::PageType::RasterizerCachedMemory:
// There can be more than one GPU region mapped per CPU region, so it's common
@@ -533,10 +535,11 @@ struct Memory::Impl {
// pagetable after unmapping a VMA. In that case the underlying VMA will no
// longer exist, and we should just leave the pagetable entry blank.
current_page_table->pointers[vaddr >> YUZU_PAGEBITS].Store(
- nullptr, Common::PageType::Unmapped);
+ 0, Common::PageType::Unmapped);
} else {
current_page_table->pointers[vaddr >> YUZU_PAGEBITS].Store(
- pointer - (vaddr & ~YUZU_PAGEMASK), Common::PageType::Memory);
+ reinterpret_cast<uintptr_t>(pointer) - (vaddr & ~YUZU_PAGEMASK),
+ Common::PageType::Memory);
}
break;
}
@@ -583,7 +586,7 @@ struct Memory::Impl {
"Mapping memory page without a pointer @ {:016x}", base * YUZU_PAGESIZE);
while (base != end) {
- page_table.pointers[base].Store(nullptr, type);
+ page_table.pointers[base].Store(0, type);
page_table.backing_addr[base] = 0;
page_table.blocks[base] = 0;
base += 1;
@@ -592,7 +595,8 @@ struct Memory::Impl {
auto orig_base = base;
while (base != end) {
auto host_ptr =
- system.DeviceMemory().GetPointer<u8>(target) - (base << YUZU_PAGEBITS);
+ reinterpret_cast<uintptr_t>(system.DeviceMemory().GetPointer<u8>(target)) -
+ (base << YUZU_PAGEBITS);
auto backing = GetInteger(target) - (base << YUZU_PAGEBITS);
page_table.pointers[base].Store(host_ptr, type);
page_table.backing_addr[base] = backing;
@@ -618,8 +622,8 @@ struct Memory::Impl {
// Avoid adding any extra logic to this fast-path block
const uintptr_t raw_pointer = current_page_table->pointers[vaddr >> YUZU_PAGEBITS].Raw();
- if (u8* const pointer = Common::PageTable::PageInfo::ExtractPointer(raw_pointer)) {
- return &pointer[vaddr];
+ if (const uintptr_t pointer = Common::PageTable::PageInfo::ExtractPointer(raw_pointer)) {
+ return reinterpret_cast<u8*>(pointer + vaddr);
}
switch (Common::PageTable::PageInfo::ExtractType(raw_pointer)) {
case Common::PageType::Unmapped:
@@ -813,7 +817,7 @@ bool Memory::IsValidVirtualAddress(const Common::ProcessAddress vaddr) const {
return false;
}
const auto [pointer, type] = page_table.pointers[page].PointerType();
- return pointer != nullptr || type == Common::PageType::RasterizerCachedMemory ||
+ return pointer != 0 || type == Common::PageType::RasterizerCachedMemory ||
type == Common::PageType::DebugMemory;
}