diff options
Diffstat (limited to 'src/core/hle/kernel/process.cpp')
-rw-r--r-- | src/core/hle/kernel/process.cpp | 44 |
1 files changed, 28 insertions, 16 deletions
diff --git a/src/core/hle/kernel/process.cpp b/src/core/hle/kernel/process.cpp index 2cd1cfc145..1f45e6cf83 100644 --- a/src/core/hle/kernel/process.cpp +++ b/src/core/hle/kernel/process.cpp @@ -96,7 +96,7 @@ void Process::ParseKernelCaps(const u32* kernel_caps, size_t len) { int minor = kernel_version & 0xFF; int major = (kernel_version >> 8) & 0xFF; - LOG_DEBUG(Loader, "ExHeader kernel version: %d.%d", major, minor); + LOG_INFO(Loader, "ExHeader kernel version: %d.%d", major, minor); } else { LOG_ERROR(Loader, "Unhandled kernel caps descriptor: 0x%08X", descriptor); } @@ -104,6 +104,8 @@ void Process::ParseKernelCaps(const u32* kernel_caps, size_t len) { } void Process::Run(s32 main_thread_priority, u32 stack_size) { + memory_region = GetMemoryRegion(flags.memory_region); + auto MapSegment = [&](CodeSet::Segment& segment, VMAPermission permissions, MemoryState memory_state) { auto vma = vm_manager.MapMemoryBlock(segment.addr, codeset->memory, segment.offset, segment.size, memory_state).Unwrap(); @@ -124,6 +126,15 @@ void Process::Run(s32 main_thread_priority, u32 stack_size) { Kernel::SetupMainThread(codeset->entrypoint, main_thread_priority); } +VAddr Process::GetLinearHeapBase() const { + return (kernel_version < 0x22C ? Memory::LINEAR_HEAP_VADDR : Memory::NEW_LINEAR_HEAP_SIZE) + + memory_region->base; +} + +VAddr Process::GetLinearHeapLimit() const { + return GetLinearHeapBase() + memory_region->size; +} + ResultVal<VAddr> Process::HeapAllocate(VAddr target, u32 size, VMAPermission perms) { if (target < Memory::HEAP_VADDR || target + size > Memory::HEAP_VADDR_END || target + size < target) { return ERR_INVALID_ADDRESS; @@ -166,19 +177,16 @@ ResultCode Process::HeapFree(VAddr target, u32 size) { } ResultVal<VAddr> Process::LinearAllocate(VAddr target, u32 size, VMAPermission perms) { - if (linear_heap_memory == nullptr) { - // Initialize heap - linear_heap_memory = std::make_shared<std::vector<u8>>(); - } + auto& linheap_memory = memory_region->linear_heap_memory; - VAddr heap_end = Memory::LINEAR_HEAP_VADDR + (u32)linear_heap_memory->size(); + 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 < Memory::LINEAR_HEAP_VADDR || target + size > Memory::LINEAR_HEAP_VADDR_END || + if (target < GetLinearHeapBase() || target + size > GetLinearHeapLimit() || target > heap_end || target + size < target) { return ERR_INVALID_ADDRESS; @@ -188,25 +196,29 @@ ResultVal<VAddr> Process::LinearAllocate(VAddr target, u32 size, VMAPermission p // 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) { - linear_heap_memory->insert(linear_heap_memory->end(), size, 0); - vm_manager.RefreshMemoryBlockMappings(linear_heap_memory.get()); + linheap_memory->insert(linheap_memory->end(), size, 0); + vm_manager.RefreshMemoryBlockMappings(linheap_memory.get()); } - size_t offset = target - Memory::LINEAR_HEAP_VADDR; - CASCADE_RESULT(auto vma, vm_manager.MapMemoryBlock(target, linear_heap_memory, offset, size, MemoryState::Continuous)); + // 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); return MakeResult<VAddr>(target); } ResultCode Process::LinearFree(VAddr target, u32 size) { - if (linear_heap_memory == nullptr || target < Memory::LINEAR_HEAP_VADDR || - target + size > Memory::LINEAR_HEAP_VADDR_END || target + size < target) { + auto& linheap_memory = memory_region->linear_heap_memory; + + if (target < GetLinearHeapBase() || target + size > GetLinearHeapLimit() || + target + size < target) { return ERR_INVALID_ADDRESS; } - VAddr heap_end = Memory::LINEAR_HEAP_VADDR + (u32)linear_heap_memory->size(); + VAddr heap_end = GetLinearHeapBase() + (u32)linheap_memory->size(); if (target + size > heap_end) { return ERR_INVALID_ADDRESS_STATE; } @@ -221,8 +233,8 @@ ResultCode Process::LinearFree(VAddr target, u32 size) { ASSERT(vma != vm_manager.vma_map.end()); ASSERT(vma->second.type == VMAType::Free); VAddr new_end = vma->second.base; - if (new_end >= Memory::LINEAR_HEAP_VADDR) { - linear_heap_memory->resize(new_end - Memory::LINEAR_HEAP_VADDR); + if (new_end >= GetLinearHeapBase()) { + linheap_memory->resize(new_end - GetLinearHeapBase()); } } |