2014-04-09 00:15:46 +01:00
|
|
|
// Copyright 2014 Citra Emulator Project
|
|
|
|
// Licensed under GPLv2
|
|
|
|
// Refer to the license.txt file included.
|
|
|
|
|
|
|
|
#pragma once
|
2013-09-05 23:33:46 +01:00
|
|
|
|
|
|
|
////////////////////////////////////////////////////////////////////////////////////////////////////
|
|
|
|
|
2014-04-09 01:15:08 +01:00
|
|
|
#include "common/common.h"
|
|
|
|
#include "common/common_types.h"
|
2013-09-05 23:33:46 +01:00
|
|
|
|
|
|
|
////////////////////////////////////////////////////////////////////////////////////////////////////
|
|
|
|
|
2014-04-04 03:04:24 +01:00
|
|
|
enum {
|
|
|
|
MEM_BOOTROM_SIZE = 0x00010000, ///< Bootrom (super secret code/data @ 0x8000) size
|
|
|
|
MEM_MPCORE_PRIV_SIZE = 0x00002000, ///< MPCore private memory region size
|
|
|
|
MEM_VRAM_SIZE = 0x00600000, ///< VRAM size
|
|
|
|
MEM_DSP_SIZE = 0x00080000, ///< DSP memory size
|
|
|
|
MEM_AXI_WRAM_SIZE = 0x00080000, ///< AXI WRAM size
|
|
|
|
MEM_FCRAM_SIZE = 0x08000000, ///< FCRAM size... Really 0x07E00000, but power of 2
|
2014-04-01 02:05:51 +01:00
|
|
|
// works much better
|
2014-04-04 03:04:24 +01:00
|
|
|
MEM_SCRATCHPAD_SIZE = 0x00004000, ///< Typical stack size - TODO: Read from exheader
|
|
|
|
|
|
|
|
MEM_VRAM_MASK = 0x007FFFFF,
|
|
|
|
MEM_FCRAM_MASK = (MEM_FCRAM_SIZE - 1), ///< FCRAM mask
|
|
|
|
MEM_SCRATCHPAD_MASK = (MEM_SCRATCHPAD_SIZE - 1), ///< Scratchpad memory mask
|
|
|
|
|
|
|
|
MEM_FCRAM_PADDR = 0x20000000, ///< FCRAM physical address
|
|
|
|
MEM_FCRAM_PADDR_END = (MEM_FCRAM_PADDR + MEM_FCRAM_SIZE), ///< FCRAM end of physical space
|
|
|
|
MEM_FCRAM_VADDR = 0x08000000, ///< FCRAM virtual address
|
|
|
|
MEM_FCRAM_VADDR_END = (MEM_FCRAM_VADDR + MEM_FCRAM_SIZE), ///< FCRAM end of virtual space
|
2013-09-06 04:04:04 +01:00
|
|
|
|
2014-04-04 03:04:24 +01:00
|
|
|
MEM_VRAM_VADDR = 0x1F000000,
|
|
|
|
MEM_SCRATCHPAD_VADDR = (0x10000000 - MEM_SCRATCHPAD_SIZE), ///< Scratchpad virtual address
|
|
|
|
};
|
2013-09-06 04:04:04 +01:00
|
|
|
|
|
|
|
////////////////////////////////////////////////////////////////////////////////////////////////////
|
|
|
|
|
2013-09-05 23:33:46 +01:00
|
|
|
namespace Memory {
|
|
|
|
|
2013-09-06 04:04:04 +01:00
|
|
|
// 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;
|
2013-09-05 23:33:46 +01:00
|
|
|
|
2013-09-06 04:04:04 +01:00
|
|
|
// 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.
|
2013-09-19 03:36:39 +01:00
|
|
|
extern u8* g_fcram; ///< Main memory
|
2013-09-06 04:04:04 +01:00
|
|
|
extern u8* g_vram; ///< Video memory (VRAM)
|
2014-04-01 02:05:51 +01:00
|
|
|
extern u8* g_scratchpad; ///< Stack memory
|
2013-09-05 23:33:46 +01:00
|
|
|
|
|
|
|
void Init();
|
|
|
|
void Shutdown();
|
|
|
|
|
|
|
|
u8 Read8(const u32 addr);
|
|
|
|
u16 Read16(const u32 addr);
|
|
|
|
u32 Read32(const u32 addr);
|
|
|
|
|
2013-09-20 04:13:33 +01:00
|
|
|
u32 Read8_ZX(const u32 addr);
|
|
|
|
u32 Read16_ZX(const u32 addr);
|
|
|
|
|
2014-03-30 04:28:38 +01:00
|
|
|
void Write8(const u32 addr, const u8 data);
|
|
|
|
void Write16(const u32 addr, const u16 data);
|
2013-09-05 23:33:46 +01:00
|
|
|
void Write32(const u32 addr, const u32 data);
|
|
|
|
|
2014-03-25 14:50:34 +00:00
|
|
|
u8* GetPointer(const u32 Address);
|
|
|
|
|
2014-04-11 00:56:30 +01:00
|
|
|
inline const char* GetCharPointer(const u32 address) {
|
|
|
|
return (const char *)GetPointer(address);
|
|
|
|
}
|
|
|
|
|
2013-09-05 23:33:46 +01:00
|
|
|
} // namespace
|