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Diffstat (limited to 'src/core/mem_map.cpp')
-rw-r--r-- | src/core/mem_map.cpp | 163 |
1 files changed, 0 insertions, 163 deletions
diff --git a/src/core/mem_map.cpp b/src/core/mem_map.cpp deleted file mode 100644 index cbe993fbe..000000000 --- a/src/core/mem_map.cpp +++ /dev/null @@ -1,163 +0,0 @@ -// Copyright 2014 Citra Emulator Project -// Licensed under GPLv2 or any later version -// Refer to the license.txt file included. - -#include <map> -#include <memory> -#include <utility> -#include <vector> - -#include "common/common_types.h" -#include "common/logging/log.h" - -#include "core/hle/config_mem.h" -#include "core/hle/kernel/vm_manager.h" -#include "core/hle/result.h" -#include "core/hle/shared_page.h" -#include "core/mem_map.h" -#include "core/memory.h" -#include "core/memory_setup.h" - -//////////////////////////////////////////////////////////////////////////////////////////////////// - -namespace Memory { - -namespace { - -struct MemoryArea { - u32 base; - u32 size; - const char* name; -}; - -// We don't declare the IO regions in here since its handled by other means. -static MemoryArea memory_areas[] = { - {HEAP_VADDR, HEAP_SIZE, "Heap"}, // Application heap (main memory) - {SHARED_MEMORY_VADDR, SHARED_MEMORY_SIZE, "Shared Memory"}, // Shared memory - {LINEAR_HEAP_VADDR, LINEAR_HEAP_SIZE, "Linear Heap"}, // Linear heap (main memory) - {VRAM_VADDR, VRAM_SIZE, "VRAM"}, // Video memory (VRAM) - {DSP_RAM_VADDR, DSP_RAM_SIZE, "DSP RAM"}, // DSP memory - {TLS_AREA_VADDR, TLS_AREA_SIZE, "TLS Area"}, // TLS memory -}; - -/// Represents a block of memory mapped by ControlMemory/MapMemoryBlock -struct MemoryBlock { - MemoryBlock() : handle(0), base_address(0), address(0), size(0), operation(0), permissions(0) { - } - u32 handle; - u32 base_address; - u32 address; - u32 size; - u32 operation; - u32 permissions; - - const u32 GetVirtualAddress() const{ - return base_address + address; - } -}; - -static std::map<u32, MemoryBlock> heap_map; -static std::map<u32, MemoryBlock> heap_linear_map; - -} - -u32 MapBlock_Heap(u32 size, u32 operation, u32 permissions) { - MemoryBlock block; - - block.base_address = HEAP_VADDR; - block.size = size; - block.operation = operation; - block.permissions = permissions; - - if (heap_map.size() > 0) { - const MemoryBlock last_block = heap_map.rbegin()->second; - block.address = last_block.address + last_block.size; - } - heap_map[block.GetVirtualAddress()] = block; - - return block.GetVirtualAddress(); -} - -u32 MapBlock_HeapLinear(u32 size, u32 operation, u32 permissions) { - MemoryBlock block; - - block.base_address = LINEAR_HEAP_VADDR; - block.size = size; - block.operation = operation; - block.permissions = permissions; - - if (heap_linear_map.size() > 0) { - const MemoryBlock last_block = heap_linear_map.rbegin()->second; - block.address = last_block.address + last_block.size; - } - heap_linear_map[block.GetVirtualAddress()] = block; - - return block.GetVirtualAddress(); -} - -PAddr VirtualToPhysicalAddress(const VAddr addr) { - if (addr == 0) { - return 0; - } else if (addr >= VRAM_VADDR && addr < VRAM_VADDR_END) { - return addr - VRAM_VADDR + VRAM_PADDR; - } else if (addr >= LINEAR_HEAP_VADDR && addr < LINEAR_HEAP_VADDR_END) { - return addr - LINEAR_HEAP_VADDR + FCRAM_PADDR; - } else if (addr >= DSP_RAM_VADDR && addr < DSP_RAM_VADDR_END) { - return addr - DSP_RAM_VADDR + DSP_RAM_PADDR; - } else if (addr >= IO_AREA_VADDR && addr < IO_AREA_VADDR_END) { - return addr - IO_AREA_VADDR + IO_AREA_PADDR; - } - - LOG_ERROR(HW_Memory, "Unknown virtual address @ 0x%08x", addr); - // To help with debugging, set bit on address so that it's obviously invalid. - return addr | 0x80000000; -} - -VAddr PhysicalToVirtualAddress(const PAddr addr) { - if (addr == 0) { - return 0; - } else if (addr >= VRAM_PADDR && addr < VRAM_PADDR_END) { - return addr - VRAM_PADDR + VRAM_VADDR; - } else if (addr >= FCRAM_PADDR && addr < FCRAM_PADDR_END) { - return addr - FCRAM_PADDR + LINEAR_HEAP_VADDR; - } else if (addr >= DSP_RAM_PADDR && addr < DSP_RAM_PADDR_END) { - return addr - DSP_RAM_PADDR + DSP_RAM_VADDR; - } else if (addr >= IO_AREA_PADDR && addr < IO_AREA_PADDR_END) { - return addr - IO_AREA_PADDR + IO_AREA_VADDR; - } - - LOG_ERROR(HW_Memory, "Unknown physical address @ 0x%08x", addr); - // To help with debugging, set bit on address so that it's obviously invalid. - return addr | 0x80000000; -} - -void Init() { - InitMemoryMap(); - LOG_DEBUG(HW_Memory, "initialized OK"); -} - -void InitLegacyAddressSpace(Kernel::VMManager& address_space) { - using namespace Kernel; - - for (MemoryArea& area : memory_areas) { - auto block = std::make_shared<std::vector<u8>>(area.size); - address_space.MapMemoryBlock(area.base, std::move(block), 0, area.size, MemoryState::Private).Unwrap(); - } - - auto cfg_mem_vma = address_space.MapBackingMemory(CONFIG_MEMORY_VADDR, - (u8*)&ConfigMem::config_mem, CONFIG_MEMORY_SIZE, MemoryState::Shared).MoveFrom(); - address_space.Reprotect(cfg_mem_vma, VMAPermission::Read); - - auto shared_page_vma = address_space.MapBackingMemory(SHARED_PAGE_VADDR, - (u8*)&SharedPage::shared_page, SHARED_PAGE_SIZE, MemoryState::Shared).MoveFrom(); - address_space.Reprotect(shared_page_vma, VMAPermission::Read); -} - -void Shutdown() { - heap_map.clear(); - heap_linear_map.clear(); - - LOG_DEBUG(HW_Memory, "shutdown OK"); -} - -} // namespace |