memory.h

/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *                                                                         *
 *  Dynamic-Recompiler - Turns MIPS code into ARM code                       *
 *  Original source: http://github.com/ricrpi/Dynamic-Recompiler             *
 *  Copyright (C) 2015  Richard Hender                                       *
 *                                                                           *
 *  This program is free software: you can redistribute it and/or modify     *
 *  it under the terms of the GNU General Public License as published by     *
 *  the Free Software Foundation, either version 3 of the License, or        *
 *  (at your option) any later version.                                      *
 *                                                                           *
 *  This program is distributed in the hope that it will be useful,          *
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of           *
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the            *
 *  GNU General Public License for more details.                             *
 *                                                                           *
 *  You should have received a copy of the GNU General Public License        *
 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.    *
 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */

#ifndef MEMORY_H_
#define MEMORY_H_

#include <stdint.h>

extern uint8_t uMemoryBase;

#define sl(mot) \
		( \
				((mot & 0x000000FF) << 24) | \
				((mot & 0x0000FF00) <<  8) | \
				((mot & 0x00FF0000) >>  8) | \
				((mot & 0xFF000000) >> 24) \
		)

#define MMAP_BASE			((uint32_t)uMemoryBase << 24)	// This is the base address for MMAP. It is also where RDRAM starts

/*
 *  MMAP_FP_BASE is where the REG_HOST_FP predominately points to i.e. where the emulated MIPS registers
 *  reside in memory. It will also contain the Function pointers for C code so that recompiled code can jump
 *  just using LDR pc [fp, #offset].
 */

//#define MMAP_CODE_SEG_BASE  (MMAP_BASE - (sizeof(void*) * 8 * 1024 * 1024 / 4))
#define MMAP_DR_BASE		(MMAP_BASE + (0x01000000))	// Base address where Dynamic compiled code is written to.
#define MMAP_RDRAM_REGS		(MMAP_BASE + (0x03F00000))
#define MMAP_FP_BASE		(MMAP_BASE + (0x03F01028))	// must be > 0x03F00027 + 4096 (4096 being for global literals)
#define MMAP_SP_REGS		(MMAP_BASE + (0x04000000))
#define MMAP_DP_COMMAND		(MMAP_BASE + (0x04100000))
#define MMAP_DP_SPAN		(MMAP_BASE + (0x04200000))
#define MMAP_MI				(MMAP_BASE + (0x04300000))
#define MMAP_VI				(MMAP_BASE + (0x04400000))
#define MMAP_AI				(MMAP_BASE + (0x04500000))
#define MMAP_PI				(MMAP_BASE + (0x04600000))
#define MMAP_RI				(MMAP_BASE + (0x04700000))
#define MMAP_SI				(MMAP_BASE + (0x04800000))

#define MMAP_STATIC_REGION  (MMAP_BASE + (0x08000000))	// TODO ROM data could be 64 bytes out due to ROM header being first
#define MMAP_ROM_HEADER		(MMAP_BASE + (0x1000000))

#define MMAP_PIF_BOOT_ROM	(MMAP_BASE + (0x1FC0000))
#define MMAP_PIF_RAM		(MMAP_BASE + (0x1FC07C0))

//#define MMAP_FUNC			(MMAP_FP_BASE + 676)
#define MMAP_FUNC			(676)			// 0x83F012CC
#define MMAP_DR_SIZE		(0x02000000)	//Dynamic compiled code space size (32MB).
#define RD_RAM_SIZE 		(0x00800000)
#define MMAP_BASE_SIZE 		(0x08000000)	// This is the base size (excluding ROM and PIF areas)

#define FUNC_GEN_START					(MMAP_FUNC + 0)
#define FUNC_GEN_STOP					(MMAP_FUNC + 4)
#define FUNC_GEN_INTERRUPT 				(MMAP_FUNC + 8)
#define FUNC_GEN_BRANCH_UNKNOWN 		(MMAP_FUNC + 12)
#define FUNC_GEN_LOOKUP_VIRTUAL_ADDRESS	(MMAP_FUNC + 16)
#define FUNC_GEN_TRAP           		(MMAP_FUNC + 20)

#define RECOMPILED_CODE_START			(MMAP_FUNC + 24)

#define ROM_ADDRESS		 				(MMAP_STATIC_REGION)

#endif /* MEMORY_H_ */