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authorLioncash <mathew1800@gmail.com>2018-09-24 20:01:45 -0400
committerLioncash <mathew1800@gmail.com>2018-09-24 22:16:03 -0400
commit577bde60b5f6cfab20a9b06248c4ec87e2893bab (patch)
treed766a2d2f20d247e8663c1a76d5c41fcf7f643d4 /src/core/hle/kernel/process.cpp
parent7b36b7d08dd5b0570a951ae6e159963ece08a017 (diff)
memory: Dehardcode the use of fixed memory range constants
The locations of these can actually vary depending on the address space layout, so we shouldn't be using these when determining where to map memory or be using them as offsets for calculations. This keeps all the memory ranges flexible and malleable based off of the virtual memory manager instance state.
Diffstat (limited to 'src/core/hle/kernel/process.cpp')
-rw-r--r--src/core/hle/kernel/process.cpp20
1 files changed, 10 insertions, 10 deletions
diff --git a/src/core/hle/kernel/process.cpp b/src/core/hle/kernel/process.cpp
index f337f626fd..a8e3098ca4 100644
--- a/src/core/hle/kernel/process.cpp
+++ b/src/core/hle/kernel/process.cpp
@@ -127,7 +127,7 @@ void Process::Run(VAddr entry_point, s32 main_thread_priority, u32 stack_size) {
// TODO(bunnei): This is heap area that should be allocated by the kernel and not mapped as part
// of the user address space.
vm_manager
- .MapMemoryBlock(Memory::STACK_AREA_VADDR_END - stack_size,
+ .MapMemoryBlock(vm_manager.GetTLSIORegionEndAddress() - stack_size,
std::make_shared<std::vector<u8>>(stack_size, 0), 0, stack_size,
MemoryState::Mapped)
.Unwrap();
@@ -193,6 +193,7 @@ static std::tuple<std::size_t, std::size_t, bool> FindFreeThreadLocalSlot(
VAddr Process::MarkNextAvailableTLSSlotAsUsed(Thread& thread) {
auto [available_page, available_slot, needs_allocation] = FindFreeThreadLocalSlot(tls_slots);
+ const VAddr tls_begin = vm_manager.GetTLSIORegionBaseAddress();
if (needs_allocation) {
tls_slots.emplace_back(0); // The page is completely available at the start
@@ -205,18 +206,17 @@ VAddr Process::MarkNextAvailableTLSSlotAsUsed(Thread& thread) {
vm_manager.RefreshMemoryBlockMappings(tls_memory.get());
- vm_manager.MapMemoryBlock(Memory::TLS_AREA_VADDR + available_page * Memory::PAGE_SIZE,
- tls_memory, 0, Memory::PAGE_SIZE, MemoryState::ThreadLocal);
+ vm_manager.MapMemoryBlock(tls_begin + available_page * Memory::PAGE_SIZE, tls_memory, 0,
+ Memory::PAGE_SIZE, MemoryState::ThreadLocal);
}
tls_slots[available_page].set(available_slot);
- return Memory::TLS_AREA_VADDR + available_page * Memory::PAGE_SIZE +
- available_slot * Memory::TLS_ENTRY_SIZE;
+ return tls_begin + available_page * Memory::PAGE_SIZE + available_slot * Memory::TLS_ENTRY_SIZE;
}
void Process::FreeTLSSlot(VAddr tls_address) {
- const VAddr tls_base = tls_address - Memory::TLS_AREA_VADDR;
+ const VAddr tls_base = tls_address - vm_manager.GetTLSIORegionBaseAddress();
const VAddr tls_page = tls_base / Memory::PAGE_SIZE;
const VAddr tls_slot = (tls_base % Memory::PAGE_SIZE) / Memory::TLS_ENTRY_SIZE;
@@ -240,8 +240,8 @@ void Process::LoadModule(SharedPtr<CodeSet> module_, VAddr base_addr) {
}
ResultVal<VAddr> Process::HeapAllocate(VAddr target, u64 size, VMAPermission perms) {
- if (target < Memory::HEAP_VADDR || target + size > Memory::HEAP_VADDR_END ||
- target + size < target) {
+ if (target < vm_manager.GetHeapRegionBaseAddress() ||
+ target + size > vm_manager.GetHeapRegionEndAddress() || target + size < target) {
return ERR_INVALID_ADDRESS;
}
@@ -276,8 +276,8 @@ ResultVal<VAddr> Process::HeapAllocate(VAddr target, u64 size, VMAPermission per
}
ResultCode Process::HeapFree(VAddr target, u32 size) {
- if (target < Memory::HEAP_VADDR || target + size > Memory::HEAP_VADDR_END ||
- target + size < target) {
+ if (target < vm_manager.GetHeapRegionBaseAddress() ||
+ target + size > vm_manager.GetHeapRegionEndAddress() || target + size < target) {
return ERR_INVALID_ADDRESS;
}