// Copyright 2014 Citra Emulator Project // Licensed under GPLv2 // Refer to the license.txt file included. #pragma once #include "common/common.h" #include "common/common_types.h" namespace Memory { //////////////////////////////////////////////////////////////////////////////////////////////////// enum { BOOTROM_SIZE = 0x00010000, ///< Bootrom (super secret code/data @ 0x8000) size MPCORE_PRIV_SIZE = 0x00002000, ///< MPCore private memory region size VRAM_SIZE = 0x00600000, ///< VRAM size DSP_SIZE = 0x00080000, ///< DSP memory size AXI_WRAM_SIZE = 0x00080000, ///< AXI WRAM size FCRAM_SIZE = 0x08000000, ///< FCRAM size FCRAM_PADDR = 0x20000000, ///< FCRAM physical address FCRAM_PADDR_END = (FCRAM_PADDR + FCRAM_SIZE), ///< FCRAM end of physical space FCRAM_VADDR = 0x08000000, ///< FCRAM virtual address FCRAM_VADDR_END = (FCRAM_VADDR + FCRAM_SIZE), ///< FCRAM end of virtual space FCRAM_VADDR_FW0B = 0xF0000000, ///< FCRAM adress for firmare FW0B FCRAM_VADDR_FW0B_END = (FCRAM_VADDR_FW0B + FCRAM_SIZE), ///< FCRAM adress end for FW0B FCRAM_MASK = (FCRAM_SIZE - 1), ///< FCRAM mask SHARED_MEMORY_SIZE = 0x04000000, ///< Shared memory size SHARED_MEMORY_VADDR = 0x10000000, ///< Shared memory SHARED_MEMORY_VADDR_END = (SHARED_MEMORY_VADDR + SHARED_MEMORY_SIZE), SHARED_MEMORY_MASK = (SHARED_MEMORY_SIZE - 1), CONFIG_MEMORY_SIZE = 0x00001000, ///< Configuration memory size CONFIG_MEMORY_VADDR = 0x1FF80000, ///< Configuration memory virtual address CONFIG_MEMORY_VADDR_END = (CONFIG_MEMORY_VADDR + CONFIG_MEMORY_SIZE), CONFIG_MEMORY_MASK = (CONFIG_MEMORY_SIZE - 1), EXEFS_CODE_SIZE = 0x03F00000, EXEFS_CODE_VADDR = 0x00100000, ///< ExeFS:/.code is loaded here EXEFS_CODE_VADDR_END = (EXEFS_CODE_VADDR + EXEFS_CODE_SIZE), EXEFS_CODE_MASK = 0x03FFFFFF, HEAP_SIZE = FCRAM_SIZE, ///< Application heap size //HEAP_PADDR = HEAP_GSP_SIZE, //HEAP_PADDR_END = (HEAP_PADDR + HEAP_SIZE), HEAP_VADDR = 0x08000000, HEAP_VADDR_END = (HEAP_VADDR + HEAP_SIZE), HEAP_MASK = (HEAP_SIZE - 1), HEAP_GSP_SIZE = 0x02000000, ///< GSP heap size... TODO: Define correctly? HEAP_GSP_VADDR = 0x14000000, HEAP_GSP_VADDR_END = (HEAP_GSP_VADDR + HEAP_GSP_SIZE), HEAP_GSP_PADDR = 0x00000000, HEAP_GSP_PADDR_END = (HEAP_GSP_PADDR + HEAP_GSP_SIZE), HEAP_GSP_MASK = (HEAP_GSP_SIZE - 1), HARDWARE_IO_SIZE = 0x01000000, HARDWARE_IO_PADDR = 0x10000000, ///< IO physical address start HARDWARE_IO_VADDR = 0x1EC00000, ///< IO virtual address start HARDWARE_IO_PADDR_END = (HARDWARE_IO_PADDR + HARDWARE_IO_SIZE), HARDWARE_IO_VADDR_END = (HARDWARE_IO_VADDR + HARDWARE_IO_SIZE), VRAM_PADDR = 0x18000000, VRAM_VADDR = 0x1F000000, VRAM_PADDR_END = (VRAM_PADDR + VRAM_SIZE), VRAM_VADDR_END = (VRAM_VADDR + VRAM_SIZE), VRAM_MASK = 0x007FFFFF, SCRATCHPAD_SIZE = 0x00004000, ///< Typical stack size - TODO: Read from exheader SCRATCHPAD_VADDR_END = 0x10000000, SCRATCHPAD_VADDR = (SCRATCHPAD_VADDR_END - SCRATCHPAD_SIZE), ///< Stack space SCRATCHPAD_MASK = (SCRATCHPAD_SIZE - 1), ///< Scratchpad memory mask }; //////////////////////////////////////////////////////////////////////////////////////////////////// /// 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; } }; //////////////////////////////////////////////////////////////////////////////////////////////////// // Base is a pointer to the base of the memory map. Yes, some MMU tricks // are used to set up a full GC or Wii memory map in process memory. on // 32-bit, you have to mask your offsets with 0x3FFFFFFF. This means that // some things are mirrored too many times, but eh... it works. // In 64-bit, this might point to "high memory" (above the 32-bit limit), // so be sure to load it into a 64-bit register. extern u8 *g_base; // These are guaranteed to point to "low memory" addresses (sub-32-bit). // 64-bit: Pointers to low-mem (sub-0x10000000) mirror // 32-bit: Same as the corresponding physical/virtual pointers. extern u8* g_heap_gsp; ///< GSP heap (main memory) extern u8* g_heap; ///< Application heap (main memory) extern u8* g_vram; ///< Video memory (VRAM) extern u8* g_shared_mem; ///< Shared memory extern u8* g_exefs_code; ///< ExeFS:/.code is loaded here void Init(); void Shutdown(); u8 Read8(const u32 addr); u16 Read16(const u32 addr); u32 Read32(const u32 addr); u32 Read8_ZX(const u32 addr); u32 Read16_ZX(const u32 addr); void Write8(const u32 addr, const u8 data); void Write16(const u32 addr, const u16 data); void Write32(const u32 addr, const u32 data); u8* GetPointer(const u32 Address); /** * Maps a block of memory in shared memory * @param handle Handle to map memory block for * @param addr Address to map memory block to * @param permissions Memory map permissions */ u32 MapBlock_Shared(u32 handle, u32 addr,u32 permissions) ; /** * 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); /** * Maps a block of memory on the GSP heap * @param size Size of block in bytes * @param operation Memory map operation type * @param permissions Control memory permissions */ u32 MapBlock_HeapGSP(u32 size, u32 operation, u32 permissions); inline const char* GetCharPointer(const u32 address) { return (const char *)GetPointer(address); } inline const u32 VirtualAddressFromPhysical_FCRAM(const u32 address) { return ((address & FCRAM_MASK) | FCRAM_VADDR); } inline const u32 VirtualAddressFromPhysical_IO(const u32 address) { return (address + 0x0EB00000); } inline const u32 VirtualAddressFromPhysical_VRAM(const u32 address) { return (address + 0x07000000); } } // namespace