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authortech-ticks <techticksdev@gmail.com>2022-04-08 21:31:56 +0200
committertech-ticks <techticksdev@gmail.com>2022-04-09 13:29:19 +0200
commit3b91d213b172a0f66ba421d4583f1bf1a3dbdca6 (patch)
treeb6c7d389b3217543cf2b40794bb3c15934039166 /src/core
parentMerge pull request #8162 from german77/bombslinger (diff)
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Diffstat (limited to '')
-rw-r--r--src/core/hle/kernel/k_page_table.cpp11
-rw-r--r--src/core/hle/kernel/k_page_table.h5
-rw-r--r--src/core/hle/kernel/svc.cpp3
-rw-r--r--src/core/hle/service/ldr/ldr.cpp30
4 files changed, 34 insertions, 15 deletions
diff --git a/src/core/hle/kernel/k_page_table.cpp b/src/core/hle/kernel/k_page_table.cpp
index 599013cf6..47ea3c89c 100644
--- a/src/core/hle/kernel/k_page_table.cpp
+++ b/src/core/hle/kernel/k_page_table.cpp
@@ -346,7 +346,8 @@ ResultCode KPageTable::MapCodeMemory(VAddr dst_address, VAddr src_address, std::
return ResultSuccess;
}
-ResultCode KPageTable::UnmapCodeMemory(VAddr dst_address, VAddr src_address, std::size_t size) {
+ResultCode KPageTable::UnmapCodeMemory(VAddr dst_address, VAddr src_address, std::size_t size,
+ ICacheInvalidationStrategy icache_invalidation_strategy) {
// Validate the mapping request.
R_UNLESS(this->CanContain(dst_address, size, KMemoryState::AliasCode),
ResultInvalidMemoryRegion);
@@ -396,7 +397,11 @@ ResultCode KPageTable::UnmapCodeMemory(VAddr dst_address, VAddr src_address, std
bool reprotected_pages = false;
SCOPE_EXIT({
if (reprotected_pages && any_code_pages) {
- system.InvalidateCpuInstructionCacheRange(dst_address, size);
+ if (icache_invalidation_strategy == ICacheInvalidationStrategy::InvalidateRange) {
+ system.InvalidateCpuInstructionCacheRange(dst_address, size);
+ } else {
+ system.InvalidateCpuInstructionCaches();
+ }
}
});
@@ -563,6 +568,8 @@ ResultCode KPageTable::UnmapProcessMemory(VAddr dst_addr, std::size_t size,
block_manager->Update(dst_addr, num_pages, KMemoryState::Free, KMemoryPermission::None,
KMemoryAttribute::None);
+ system.InvalidateCpuInstructionCaches();
+
return ResultSuccess;
}
diff --git a/src/core/hle/kernel/k_page_table.h b/src/core/hle/kernel/k_page_table.h
index bfabdf38c..dd6022975 100644
--- a/src/core/hle/kernel/k_page_table.h
+++ b/src/core/hle/kernel/k_page_table.h
@@ -26,6 +26,8 @@ class KMemoryBlockManager;
class KPageTable final {
public:
+ enum class ICacheInvalidationStrategy : u32 { InvalidateRange, InvalidateAll };
+
YUZU_NON_COPYABLE(KPageTable);
YUZU_NON_MOVEABLE(KPageTable);
@@ -38,7 +40,8 @@ public:
ResultCode MapProcessCode(VAddr addr, std::size_t pages_count, KMemoryState state,
KMemoryPermission perm);
ResultCode MapCodeMemory(VAddr dst_address, VAddr src_address, std::size_t size);
- ResultCode UnmapCodeMemory(VAddr dst_address, VAddr src_address, std::size_t size);
+ ResultCode UnmapCodeMemory(VAddr dst_address, VAddr src_address, std::size_t size,
+ ICacheInvalidationStrategy icache_invalidation_strategy);
ResultCode UnmapProcessMemory(VAddr dst_addr, std::size_t size, KPageTable& src_page_table,
VAddr src_addr);
ResultCode MapPhysicalMemory(VAddr addr, std::size_t size);
diff --git a/src/core/hle/kernel/svc.cpp b/src/core/hle/kernel/svc.cpp
index 976d63234..0c86435b5 100644
--- a/src/core/hle/kernel/svc.cpp
+++ b/src/core/hle/kernel/svc.cpp
@@ -1713,7 +1713,8 @@ static ResultCode UnmapProcessCodeMemory(Core::System& system, Handle process_ha
return ResultInvalidMemoryRegion;
}
- return page_table.UnmapCodeMemory(dst_address, src_address, size);
+ return page_table.UnmapCodeMemory(dst_address, src_address, size,
+ KPageTable::ICacheInvalidationStrategy::InvalidateAll);
}
/// Exits the current process
diff --git a/src/core/hle/service/ldr/ldr.cpp b/src/core/hle/service/ldr/ldr.cpp
index 2477c5612..cf727c167 100644
--- a/src/core/hle/service/ldr/ldr.cpp
+++ b/src/core/hle/service/ldr/ldr.cpp
@@ -389,8 +389,12 @@ public:
if (bss_size) {
auto block_guard = detail::ScopeExit([&] {
- page_table.UnmapCodeMemory(addr + nro_size, bss_addr, bss_size);
- page_table.UnmapCodeMemory(addr, nro_addr, nro_size);
+ page_table.UnmapCodeMemory(
+ addr + nro_size, bss_addr, bss_size,
+ Kernel::KPageTable::ICacheInvalidationStrategy::InvalidateRange);
+ page_table.UnmapCodeMemory(
+ addr, nro_addr, nro_size,
+ Kernel::KPageTable::ICacheInvalidationStrategy::InvalidateRange);
});
const ResultCode result{
@@ -570,17 +574,21 @@ public:
auto& page_table{system.CurrentProcess()->PageTable()};
if (info.bss_size != 0) {
- CASCADE_CODE(page_table.UnmapCodeMemory(info.nro_address + info.text_size +
- info.ro_size + info.data_size,
- info.bss_address, info.bss_size));
+ CASCADE_CODE(page_table.UnmapCodeMemory(
+ info.nro_address + info.text_size + info.ro_size + info.data_size, info.bss_address,
+ info.bss_size, Kernel::KPageTable::ICacheInvalidationStrategy::InvalidateRange));
}
- CASCADE_CODE(page_table.UnmapCodeMemory(info.nro_address + info.text_size + info.ro_size,
- info.src_addr + info.text_size + info.ro_size,
- info.data_size));
- CASCADE_CODE(page_table.UnmapCodeMemory(info.nro_address + info.text_size,
- info.src_addr + info.text_size, info.ro_size));
- CASCADE_CODE(page_table.UnmapCodeMemory(info.nro_address, info.src_addr, info.text_size));
+ CASCADE_CODE(page_table.UnmapCodeMemory(
+ info.nro_address + info.text_size + info.ro_size,
+ info.src_addr + info.text_size + info.ro_size, info.data_size,
+ Kernel::KPageTable::ICacheInvalidationStrategy::InvalidateRange));
+ CASCADE_CODE(page_table.UnmapCodeMemory(
+ info.nro_address + info.text_size, info.src_addr + info.text_size, info.ro_size,
+ Kernel::KPageTable::ICacheInvalidationStrategy::InvalidateRange));
+ CASCADE_CODE(page_table.UnmapCodeMemory(
+ info.nro_address, info.src_addr, info.text_size,
+ Kernel::KPageTable::ICacheInvalidationStrategy::InvalidateRange));
return ResultSuccess;
}