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Diffstat (limited to 'src/core/mem_map_funcs.cpp')
-rw-r--r-- | src/core/mem_map_funcs.cpp | 294 |
1 files changed, 0 insertions, 294 deletions
diff --git a/src/core/mem_map_funcs.cpp b/src/core/mem_map_funcs.cpp deleted file mode 100644 index a161a8204..000000000 --- a/src/core/mem_map_funcs.cpp +++ /dev/null @@ -1,294 +0,0 @@ -// Copyright 2014 Citra Emulator Project -// Licensed under GPLv2 or any later version -// Refer to the license.txt file included. - -#include <map> - -#include "common/common.h" - -#include "core/mem_map.h" -#include "core/hw/hw.h" -#include "hle/config_mem.h" -#include "hle/shared_page.h" - -namespace Memory { - -static std::map<u32, MemoryBlock> heap_map; -static std::map<u32, MemoryBlock> heap_linear_map; -static std::map<u32, MemoryBlock> shared_map; - -/// Convert a physical address to virtual address -VAddr PhysicalToVirtualAddress(const PAddr addr) { - // Our memory interface read/write functions assume virtual addresses. Put any physical address - // to virtual address translations here. This is quite hacky, but necessary until we implement - // proper MMU emulation. - // TODO: Screw it, I'll let bunnei figure out how to do this properly. - 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 + FCRAM_VADDR; - } - - LOG_ERROR(HW_Memory, "Unknown physical address @ 0x%08x", addr); - return addr; -} - -/// Convert a physical address to virtual address -PAddr VirtualToPhysicalAddress(const VAddr addr) { - // Our memory interface read/write functions assume virtual addresses. Put any physical address - // to virtual address translations here. This is quite hacky, but necessary until we implement - // proper MMU emulation. - // TODO: Screw it, I'll let bunnei figure out how to do this properly. - if ((addr >= VRAM_VADDR) && (addr < VRAM_VADDR_END)) { - return addr - 0x07000000; - } else if ((addr >= FCRAM_VADDR) && (addr < FCRAM_VADDR_END)) { - return addr - FCRAM_VADDR + FCRAM_PADDR; - } - - LOG_ERROR(HW_Memory, "Unknown virtual address @ 0x%08x", addr); - return addr; -} - -template <typename T> -inline void Read(T &var, const VAddr vaddr) { - // TODO: Figure out the fastest order of tests for both read and write (they are probably different). - // TODO: Make sure this represents the mirrors in a correct way. - // Could just do a base-relative read, too.... TODO - - // Kernel memory command buffer - if (vaddr >= KERNEL_MEMORY_VADDR && vaddr < KERNEL_MEMORY_VADDR_END) { - var = *((const T*)&g_kernel_mem[vaddr - KERNEL_MEMORY_VADDR]); - - // ExeFS:/.code is loaded here - } else if ((vaddr >= EXEFS_CODE_VADDR) && (vaddr < EXEFS_CODE_VADDR_END)) { - var = *((const T*)&g_exefs_code[vaddr - EXEFS_CODE_VADDR]); - - // FCRAM - linear heap - } else if ((vaddr >= HEAP_LINEAR_VADDR) && (vaddr < HEAP_LINEAR_VADDR_END)) { - var = *((const T*)&g_heap_linear[vaddr - HEAP_LINEAR_VADDR]); - - // FCRAM - application heap - } else if ((vaddr >= HEAP_VADDR) && (vaddr < HEAP_VADDR_END)) { - var = *((const T*)&g_heap[vaddr - HEAP_VADDR]); - - // Shared memory - } else if ((vaddr >= SHARED_MEMORY_VADDR) && (vaddr < SHARED_MEMORY_VADDR_END)) { - var = *((const T*)&g_shared_mem[vaddr - SHARED_MEMORY_VADDR]); - - // System memory - } else if ((vaddr >= SYSTEM_MEMORY_VADDR) && (vaddr < SYSTEM_MEMORY_VADDR_END)) { - var = *((const T*)&g_system_mem[vaddr - SYSTEM_MEMORY_VADDR]); - - // Config memory - } else if ((vaddr >= CONFIG_MEMORY_VADDR) && (vaddr < CONFIG_MEMORY_VADDR_END)) { - ConfigMem::Read<T>(var, vaddr); - - // Shared page - } else if ((vaddr >= SHARED_PAGE_VADDR) && (vaddr < SHARED_PAGE_VADDR_END)) { - SharedPage::Read<T>(var, vaddr); - - // DSP memory - } else if ((vaddr >= DSP_MEMORY_VADDR) && (vaddr < DSP_MEMORY_VADDR_END)) { - var = *((const T*)&g_dsp_mem[vaddr - DSP_MEMORY_VADDR]); - - // VRAM - } else if ((vaddr >= VRAM_VADDR) && (vaddr < VRAM_VADDR_END)) { - var = *((const T*)&g_vram[vaddr - VRAM_VADDR]); - - } else { - LOG_ERROR(HW_Memory, "unknown Read%lu @ 0x%08X", sizeof(var) * 8, vaddr); - } -} - -template <typename T> -inline void Write(const VAddr vaddr, const T data) { - - // Kernel memory command buffer - if (vaddr >= KERNEL_MEMORY_VADDR && vaddr < KERNEL_MEMORY_VADDR_END) { - *(T*)&g_kernel_mem[vaddr - KERNEL_MEMORY_VADDR] = data; - - // ExeFS:/.code is loaded here - } else if ((vaddr >= EXEFS_CODE_VADDR) && (vaddr < EXEFS_CODE_VADDR_END)) { - *(T*)&g_exefs_code[vaddr - EXEFS_CODE_VADDR] = data; - - // FCRAM - linear heap - } else if ((vaddr >= HEAP_LINEAR_VADDR) && (vaddr < HEAP_LINEAR_VADDR_END)) { - *(T*)&g_heap_linear[vaddr - HEAP_LINEAR_VADDR] = data; - - // FCRAM - application heap - } else if ((vaddr >= HEAP_VADDR) && (vaddr < HEAP_VADDR_END)) { - *(T*)&g_heap[vaddr - HEAP_VADDR] = data; - - // Shared memory - } else if ((vaddr >= SHARED_MEMORY_VADDR) && (vaddr < SHARED_MEMORY_VADDR_END)) { - *(T*)&g_shared_mem[vaddr - SHARED_MEMORY_VADDR] = data; - - // System memory - } else if ((vaddr >= SYSTEM_MEMORY_VADDR) && (vaddr < SYSTEM_MEMORY_VADDR_END)) { - *(T*)&g_system_mem[vaddr - SYSTEM_MEMORY_VADDR] = data; - - // VRAM - } else if ((vaddr >= VRAM_VADDR) && (vaddr < VRAM_VADDR_END)) { - *(T*)&g_vram[vaddr - VRAM_VADDR] = data; - - // DSP memory - } else if ((vaddr >= DSP_MEMORY_VADDR) && (vaddr < DSP_MEMORY_VADDR_END)) { - *(T*)&g_dsp_mem[vaddr - DSP_MEMORY_VADDR] = data; - - //} else if ((vaddr & 0xFFFF0000) == 0x1FF80000) { - // ASSERT_MSG(MEMMAP, false, "umimplemented write to Configuration Memory"); - //} else if ((vaddr & 0xFFFFF000) == 0x1FF81000) { - // ASSERT_MSG(MEMMAP, false, "umimplemented write to shared page"); - - // Error out... - } else { - LOG_ERROR(HW_Memory, "unknown Write%lu 0x%08X @ 0x%08X", sizeof(data) * 8, (u32)data, vaddr); - } -} - -u8 *GetPointer(const VAddr vaddr) { - // Kernel memory command buffer - if (vaddr >= KERNEL_MEMORY_VADDR && vaddr < KERNEL_MEMORY_VADDR_END) { - return g_kernel_mem + (vaddr - KERNEL_MEMORY_VADDR); - - // ExeFS:/.code is loaded here - } else if ((vaddr >= EXEFS_CODE_VADDR) && (vaddr < EXEFS_CODE_VADDR_END)) { - return g_exefs_code + (vaddr - EXEFS_CODE_VADDR); - - // FCRAM - linear heap - } else if ((vaddr >= HEAP_LINEAR_VADDR) && (vaddr < HEAP_LINEAR_VADDR_END)) { - return g_heap_linear + (vaddr - HEAP_LINEAR_VADDR); - - // FCRAM - application heap - } else if ((vaddr >= HEAP_VADDR) && (vaddr < HEAP_VADDR_END)) { - return g_heap + (vaddr - HEAP_VADDR); - - // Shared memory - } else if ((vaddr >= SHARED_MEMORY_VADDR) && (vaddr < SHARED_MEMORY_VADDR_END)) { - return g_shared_mem + (vaddr - SHARED_MEMORY_VADDR); - - // System memory - } else if ((vaddr >= SYSTEM_MEMORY_VADDR) && (vaddr < SYSTEM_MEMORY_VADDR_END)) { - return g_system_mem + (vaddr - SYSTEM_MEMORY_VADDR); - - // VRAM - } else if ((vaddr >= VRAM_VADDR) && (vaddr < VRAM_VADDR_END)) { - return g_vram + (vaddr - VRAM_VADDR); - - } else { - LOG_ERROR(HW_Memory, "unknown GetPointer @ 0x%08x", vaddr); - return 0; - } -} - -/** - * Maps a block of memory on the heap - * @param size Size of block in bytes - * @param operation Memory map operation type - * @param flags Memory allocation flags - */ -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(); -} - -/** - * Maps a block of memory on the linear heap - * @param size Size of block in bytes - * @param operation Memory map operation type - * @param flags Memory allocation flags - */ -u32 MapBlock_HeapLinear(u32 size, u32 operation, u32 permissions) { - MemoryBlock block; - - block.base_address = HEAP_LINEAR_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(); -} - -u8 Read8(const VAddr addr) { - u8 data = 0; - Read<u8>(data, addr); - return data; -} - -u16 Read16(const VAddr addr) { - u16_le data = 0; - Read<u16_le>(data, addr); - return (u16)data; -} - -u32 Read32(const VAddr addr) { - u32_le data = 0; - Read<u32_le>(data, addr); - return (u32)data; -} - -u64 Read64(const VAddr addr) { - u64_le data = 0; - Read<u64_le>(data, addr); - return (u64)data; -} - -u32 Read8_ZX(const VAddr addr) { - return (u32)Read8(addr); -} - -u32 Read16_ZX(const VAddr addr) { - return (u32)Read16(addr); -} - -void Write8(const VAddr addr, const u8 data) { - Write<u8>(addr, data); -} - -void Write16(const VAddr addr, const u16 data) { - Write<u16_le>(addr, data); -} - -void Write32(const VAddr addr, const u32 data) { - Write<u32_le>(addr, data); -} - -void Write64(const VAddr addr, const u64 data) { - Write<u64_le>(addr, data); -} - -void WriteBlock(const VAddr addr, const u8* data, const size_t size) { - u32 offset = 0; - while (offset < (size & ~3)) { - Write32(addr + offset, *(u32*)&data[offset]); - offset += 4; - } - - if (size & 2) { - Write16(addr + offset, *(u16*)&data[offset]); - offset += 2; - } - - if (size & 1) - Write8(addr + offset, data[offset]); -} - -} // namespace |