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author | bunnei <bunneidev@gmail.com> | 2017-10-20 05:00:46 +0200 |
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committer | bunnei <bunneidev@gmail.com> | 2017-10-20 05:00:46 +0200 |
commit | dcd6bb82f7a5bc1daaa8570f710ffb062fa4c596 (patch) | |
tree | 95f6a5d5f816a9c8a6367889dd4d551deb625eb0 /src/core/hle/kernel/process.cpp | |
parent | lm: Implement lm::Initialize and Logger::log. (diff) | |
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Diffstat (limited to 'src/core/hle/kernel/process.cpp')
-rw-r--r-- | src/core/hle/kernel/process.cpp | 42 |
1 files changed, 5 insertions, 37 deletions
diff --git a/src/core/hle/kernel/process.cpp b/src/core/hle/kernel/process.cpp index 9e145866f..98c5b0905 100644 --- a/src/core/hle/kernel/process.cpp +++ b/src/core/hle/kernel/process.cpp @@ -117,7 +117,7 @@ void Process::Run(VAddr entry_point, s32 main_thread_priority, u32 stack_size) { vm_manager .MapMemoryBlock(Memory::HEAP_VADDR_END - stack_size, std::make_shared<std::vector<u8>>(stack_size, 0), 0, stack_size, - MemoryState::Locked) + MemoryState::Heap) .Unwrap(); misc_memory_used += stack_size; memory_region->used += stack_size; @@ -148,7 +148,7 @@ void Process::LoadModule(SharedPtr<CodeSet> module_, VAddr base_addr) { }; // Map CodeSet segments - MapSegment(module_->code, VMAPermission::ReadWrite, MemoryState::Private); + MapSegment(module_->code, VMAPermission::ReadExecute, MemoryState::Code); MapSegment(module_->rodata, VMAPermission::Read, MemoryState::Static); MapSegment(module_->data, VMAPermission::ReadWrite, MemoryState::Static); } @@ -193,7 +193,7 @@ ResultVal<VAddr> Process::HeapAllocate(VAddr target, u32 size, VMAPermission per ASSERT(heap_end - heap_start == heap_memory->size()); CASCADE_RESULT(auto vma, vm_manager.MapMemoryBlock(target, heap_memory, target - heap_start, - size, MemoryState::Private)); + size, MemoryState::Heap)); vm_manager.Reprotect(vma, perms); heap_used += size; @@ -223,40 +223,8 @@ ResultCode Process::HeapFree(VAddr target, u32 size) { } ResultVal<VAddr> Process::LinearAllocate(VAddr target, u32 size, VMAPermission perms) { - auto& linheap_memory = memory_region->linear_heap_memory; - - VAddr heap_end = GetLinearHeapBase() + (u32)linheap_memory->size(); - // Games and homebrew only ever seem to pass 0 here (which lets the kernel decide the address), - // but explicit addresses are also accepted and respected. - if (target == 0) { - target = heap_end; - } - - if (target < GetLinearHeapBase() || target + size > GetLinearHeapLimit() || target > heap_end || - target + size < target) { - - return ERR_INVALID_ADDRESS; - } - - // Expansion of the linear heap is only allowed if you do an allocation immediately at its - // end. It's possible to free gaps in the middle of the heap and then reallocate them later, - // but expansions are only allowed at the end. - if (target == heap_end) { - linheap_memory->insert(linheap_memory->end(), size, 0); - vm_manager.RefreshMemoryBlockMappings(linheap_memory.get()); - } - - // TODO(yuriks): As is, this lets processes map memory allocated by other processes from the - // same region. It is unknown if or how the 3DS kernel checks against this. - size_t offset = target - GetLinearHeapBase(); - CASCADE_RESULT(auto vma, vm_manager.MapMemoryBlock(target, linheap_memory, offset, size, - MemoryState::Continuous)); - vm_manager.Reprotect(vma, perms); - - linear_heap_used += size; - memory_region->used += size; - - return MakeResult<VAddr>(target); + UNIMPLEMENTED(); + return {}; } ResultCode Process::LinearFree(VAddr target, u32 size) { |