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Supermodel/Src/CPU/PowerPC/ppc.h

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/**
** Supermodel
** A Sega Model 3 Arcade Emulator.
** Copyright 2011 Bart Trzynadlowski, Nik Henson
**
** This file is part of Supermodel.
**
** Supermodel 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.
**
** Supermodel 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 Supermodel. If not, see <http://www.gnu.org/licenses/>.
**/
/*
* ppc.h
*
* Header file for PowerPC emulator.
*/
#ifndef INCLUDED_PPC_H
#define INCLUDED_PPC_H
/******************************************************************************
Definitions
******************************************************************************/
#define SPR_XER 1 /* Fixed Point Exception Register Read / Write */
#define SPR_LR 8 /* Link Register Read / Write */
#define SPR_CTR 9 /* Count Register Read / Write */
#define SPR_SRR0 26 /* Save/Restore Register 0 Read / Write */
#define SPR_SRR1 27 /* Save/Restore Register 1 Read / Write */
#define SPR_SPRG0 272 /* SPR General 0 Read / Write */
#define SPR_SPRG1 273 /* SPR General 1 Read / Write */
#define SPR_SPRG2 274 /* SPR General 2 Read / Write */
#define SPR_SPRG3 275 /* SPR General 3 Read / Write */
#define SPR_PVR 287 /* Processor Version Number Read Only */
#define SPR403_ICDBDR 0x3D3 /* 406GA Instruction Cache Debug Data Register Rad Only */
#define SPR403_ESR 0x3D4 /* 406GA Exception Syndrome Register Read / Write */
#define SPR403_DEAR 0x3D5 /* 406GA Data Exception Address Register Read Only */
#define SPR403_EVPR 0x3D6 /* 406GA Exception Vector Prefix Register Read / Write */
#define SPR403_CDBCR 0x3D7 /* 406GA Cache Debug Control Register Read/Write */
#define SPR403_TSR 0x3D8 /* 406GA Timer Status Register Read / Clear */
#define SPR403_TCR 0x3DA /* 406GA Timer Control Register Read / Write */
#define SPR403_PIT 0x3DB /* 406GA Programmable Interval Timer Read / Write */
#define SPR403_TBHI 988 /* 406GA Time Base High Read / Write */
#define SPR403_TBLO 989 /* 406GA Time Base Low Read / Write */
#define SPR403_SRR2 0x3DE /* 406GA Save/Restore Register 2 Read / Write */
#define SPR403_SRR3 0x3DF /* 406GA Save/Restore Register 3 Read / Write */
#define SPR403_DBSR 0x3F0 /* 406GA Debug Status Register Read / Clear */
#define SPR403_DBCR 0x3F2 /* 406GA Debug Control Register Read / Write */
#define SPR403_IAC1 0x3F4 /* 406GA Instruction Address Compare 1 Read / Write */
#define SPR403_IAC2 0x3F5 /* 406GA Instruction Address Compare 2 Read / Write */
#define SPR403_DAC1 0x3F6 /* 406GA Data Address Compare 1 Read / Write */
#define SPR403_DAC2 0x3F7 /* 406GA Data Address Compare 2 Read / Write */
#define SPR403_DCCR 0x3FA /* 406GA Data Cache Cacheability Register Read / Write */
#define SPR403_ICCR 0x3FB /* 406GA I Cache Cacheability Registe Read / Write */
#define SPR403_PBL1 0x3FC /* 406GA Protection Bound Lower 1 Read / Write */
#define SPR403_PBU1 0x3FD /* 406GA Protection Bound Upper 1 Read / Write */
#define SPR403_PBL2 0x3FE /* 406GA Protection Bound Lower 2 Read / Write */
#define SPR403_PBU2 0x3FF /* 406GA Protection Bound Upper 2 Read / Write */
#define SPR403_SGR 0x3b9 /* 403GCX Storage Guarded Register */
#define SPR403_DCWR 0x3ba /* 403GCX Data Cache Write Through */
#define SPR403_PID 0x3b1 /* 403GCX Process ID */
#define SPR403_TBHU 0x3cc /* 403GCX Time Base High User-mode */
#define SPR403_TBLU 0x3cd /* 403GCX Time Base Low User-mode */
#define SPR603E_DSISR 18 /* 603E */
#define SPR603E_DAR 19 /* 603E */
#define SPR603E_DEC 22 /* 603E */
#define SPR603E_SDR1 25 /* 603E */
#define SPR603E_TBL_R 268 /* 603E Time Base Low (Read-only) */
#define SPR603E_TBU_R 269 /* 603E Time Base High (Read-only) */
#define SPR603E_TBL_W 284 /* 603E Time Base Low (Write-only) */
#define SPR603E_TBU_W 285 /* 603E Time Base Hight (Write-only) */
#define SPR603E_EAR 282 /* 603E */
#define SPR603E_IBAT0U 528 /* 603E */
#define SPR603E_IBAT0L 529 /* 603E */
#define SPR603E_IBAT1U 530 /* 603E */
#define SPR603E_IBAT1L 531 /* 603E */
#define SPR603E_IBAT2U 532 /* 603E */
#define SPR603E_IBAT2L 533 /* 603E */
#define SPR603E_IBAT3U 534 /* 603E */
#define SPR603E_IBAT3L 535 /* 603E */
#define SPR603E_DBAT0U 536 /* 603E */
#define SPR603E_DBAT0L 537 /* 603E */
#define SPR603E_DBAT1U 538 /* 603E */
#define SPR603E_DBAT1L 539 /* 603E */
#define SPR603E_DBAT2U 540 /* 603E */
#define SPR603E_DBAT2L 541 /* 603E */
#define SPR603E_DBAT3U 542 /* 603E */
#define SPR603E_DBAT3L 543 /* 603E */
#define SPR603E_DABR 1013 /* 603E */
#define SPR603E_DMISS 0x3d0 /* 603E */
#define SPR603E_DCMP 0x3d1 /* 603E */
#define SPR603E_HASH1 0x3d2 /* 603E */
#define SPR603E_HASH2 0x3d3 /* 603E */
#define SPR603E_IMISS 0x3d4 /* 603E */
#define SPR603E_ICMP 0x3d5 /* 603E */
#define SPR603E_RPA 0x3d6 /* 603E */
#define SPR603E_HID0 1008 /* 603E */
#define SPR603E_HID1 1009 /* 603E */
#define SPR603E_IABR 1010 /* 603E */
#define SPR603E_HID2 1011 /* 603E */
#define SPR602_TCR 984 /* 602 */
#define SPR602_IBR 986 /* 602 */
#define SPR602_SP 1021 /* 602 */
#define SPR602_LT 1022 /* 602 */
#define DCR_BEAR 0x90 /* bus error address */
#define DCR_BESR 0x91 /* bus error syndrome */
#define DCR_BR0 0x80 /* bank */
#define DCR_BR1 0x81 /* bank */
#define DCR_BR2 0x82 /* bank */
#define DCR_BR3 0x83 /* bank */
#define DCR_BR4 0x84 /* bank */
#define DCR_BR5 0x85 /* bank */
#define DCR_BR6 0x86 /* bank */
#define DCR_BR7 0x87 /* bank */
#define DCR_DMACC0 0xc4 /* dma chained count */
#define DCR_DMACC1 0xcc /* dma chained count */
#define DCR_DMACC2 0xd4 /* dma chained count */
#define DCR_DMACC3 0xdc /* dma chained count */
#define DCR_DMACR0 0xc0 /* dma channel control */
#define DCR_DMACR1 0xc8 /* dma channel control */
#define DCR_DMACR2 0xd0 /* dma channel control */
#define DCR_DMACR3 0xd8 /* dma channel control */
#define DCR_DMACT0 0xc1 /* dma destination address */
#define DCR_DMACT1 0xc9 /* dma destination address */
#define DCR_DMACT2 0xd1 /* dma destination address */
#define DCR_DMACT3 0xd9 /* dma destination address */
#define DCR_DMADA0 0xc2 /* dma destination address */
#define DCR_DMADA1 0xca /* dma destination address */
#define DCR_DMADA2 0xd2 /* dma source address */
#define DCR_DMADA3 0xda /* dma source address */
#define DCR_DMASA0 0xc3 /* dma source address */
#define DCR_DMASA1 0xcb /* dma source address */
#define DCR_DMASA2 0xd3 /* dma source address */
#define DCR_DMASA3 0xdb /* dma source address */
#define DCR_DMASR 0xe0 /* dma status */
#define DCR_EXIER 0x42 /* external interrupt enable */
#define DCR_EXISR 0x40 /* external interrupt status */
#define DCR_IOCR 0xa0 /* io configuration */
enum {
EXCEPTION_IRQ = 1,
EXCEPTION_DECREMENTER = 2,
EXCEPTION_TRAP = 3,
EXCEPTION_SYSTEM_CALL = 4,
EXCEPTION_SMI = 5,
EXCEPTION_DSI = 6,
EXCEPTION_ISI = 7,
EXCEPTION_PROGRAMMABLE_INTERVAL_TIMER = 20,
EXCEPTION_FIXED_INTERVAL_TIMER = 21,
EXCEPTION_WATCHDOG_TIMER = 22,
EXCEPTION_CRITICAL_INTERRUPT = 23,
};
enum {
PPC_INPUT_LINE_SMI = 10,
PPC_INPUT_LINE_TLBISYNC
};
enum {
PPC_PC=1,
PPC_MSR,
PPC_CR,
PPC_LR,
PPC_CTR,
PPC_XER,
PPC_DEC,
PPC_SRR0,
PPC_SRR1,
PPC_R0,
PPC_R1,
PPC_R2,
PPC_R3,
PPC_R4,
PPC_R5,
PPC_R6,
PPC_R7,
PPC_R8,
PPC_R9,
PPC_R10,
PPC_R11,
PPC_R12,
PPC_R13,
PPC_R14,
PPC_R15,
PPC_R16,
PPC_R17,
PPC_R18,
PPC_R19,
PPC_R20,
PPC_R21,
PPC_R22,
PPC_R23,
PPC_R24,
PPC_R25,
PPC_R26,
PPC_R27,
PPC_R28,
PPC_R29,
PPC_R30,
PPC_R31
};
typedef enum {
PPC_MODEL_403GA = 0x00200000,
PPC_MODEL_403GB = 0x00200100,
PPC_MODEL_403GC = 0x00200200,
PPC_MODEL_403GCX = 0x00201400,
PPC_MODEL_405GP = 0x40110000,
PPC_MODEL_601 = 0x00010000,
PPC_MODEL_603 = 0x00030000, /* "Wart" */
PPC_MODEL_604 = 0x00040000, /* "Zephyr" */
PPC_MODEL_602 = 0x00050000, /* "Galahad" */
PPC_MODEL_603E = 0x00060103, /* "Stretch", version 1.3 */
PPC_MODEL_603EV = 0x00070000, /* "Valiant" */
PPC_MODEL_603R = 0x00071202, /* "Goldeneye", version 2.1 */
PPC_MODEL_740 = 0x00080301, /* "Arthur", version 3.1 */
PPC_MODEL_750 = PPC_MODEL_740,
PPC_MODEL_740P = 0x00080202, /* "Conan Doyle", version 1.2 */
PPC_MODEL_750P = PPC_MODEL_740P,
PPC_MODEL_755 = 0x00083203 /* "Goldfinger", version 2.3 */
} PPC_MODEL;
typedef enum {
BUS_FREQUENCY_16MHZ = 0,
BUS_FREQUENCY_20MHZ,
BUS_FREQUENCY_25MHZ,
BUS_FREQUENCY_33MHZ,
BUS_FREQUENCY_40MHZ,
BUS_FREQUENCY_50MHZ,
BUS_FREQUENCY_60MHZ,
BUS_FREQUENCY_66MHZ,
BUS_FREQUENCY_75MHZ,
} PPC_BUS_FREQUENCY;
// PLL Configuration based on the table in MPC603EUM page 7-31
static const int mpc603e_pll_config[12][9] =
{
// 16, 20, 25, 33, 40, 50, 60, 66, 75
{ -1, -1, -1, -1, -1, -1, -1, -1, -1 },
{ 0x2, 0x2, 0x2, 0x1, 0x1, 0x1, -1, 0x0, -1 },
{ -1, -1, -1, -1, -1, 0xc, -1, 0xc, -1 },
{ 0x5, 0x5, 0x5, 0x4, 0x4, 0x4, -1, -1, -1 },
{ -1, -1, -1, 0x6, 0x6, -1, -1, -1, -1 },
{ -1, -1, 0x8, 0x8, -1, -1, -1, -1, -1 },
{ -1, 0xe, 0xe, -1, -1, -1, -1, -1, -1 },
{ 0xa, 0xa, 0xa, -1, -1, -1, -1, -1, -1 },
{ -1, -1, -1, -1, -1, -1, -1, -1, -1 },
{ -1, -1, -1, -1, -1, -1, -1, -1, -1 },
{ -1, -1, -1, -1, -1, -1, -1, -1, -1 },
{ -1, -1, -1, -1, -1, -1, -1, -1, -1 },
};
// PLL Configuration based on the table in MPC603E7VEC page 29
static const int mpc603ev_pll_config[12][9] =
{
// 16, 20, 25, 33, 40, 50, 60, 66, 75
{ -1, -1, -1, -1, -1, -1, -1, -1, -1 },
{ -1, -1, -1, -1, -1, -1, -1, -1, -1 },
{ -1, -1, -1, -1, -1, -1, -1, -1, -1 },
// 2:1
{ -1, -1, -1, -1, -1, -1, -1, 0x4, 0x4 },
// 2.5:1
{ -1, -1, -1, -1, -1, 0x6, 0x6, 0x6, 0x6 },
// 3:1
{ -1, -1, -1, -1, 0x8, 0x8, 0x8, 0x8, 0x8 },
// 3.5:1
{ -1, -1, -1, -1, 0xe, 0xe, 0xe, 0xe, -1 },
// 4:1
{ -1, -1, -1, 0xa, 0xa, 0xa, 0xa, -1, -1 },
// 4.5:1
{ -1, -1, -1, 0x7, 0x7, 0x7, -1, -1, -1 },
// 5:1
{ -1, -1, 0xb, 0xb, 0xb, -1, -1, -1, -1 },
// 5.5:1
{ -1, -1, 0x9, 0x9, 0x9, -1, -1, -1, -1 },
// 6:1
{ -1, -1, 0xd, 0xd, 0xd, -1, -1, -1, -1 }
};
// PLL Configuration based on the table in MPC603E7TEC page 23
static const int mpc603r_pll_config[12][9] =
{
// 16, 20, 25, 33, 40, 50, 60, 66, 75
{ -1, -1, -1, -1, -1, -1, -1, -1, -1 },
{ -1, -1, -1, -1, -1, -1, -1, -1, -1 },
{ -1, -1, -1, -1, -1, -1, -1, -1, -1 },
// 2:1
{ -1, -1, -1, -1, 0x5, 0x5, 0x5, 0x5, 0x5 },
// 2.5:1
{ -1, -1, -1, -1, -1, -1, 0x6, 0x6, 0x6 },
// 3:1
{ -1, -1, -1, -1, -1, 0x8, 0x8, 0x8, 0x8 },
// 3.5:1
{ -1, -1, -1, -1, -1, 0xe, 0xe, 0xe, 0xe },
// 4:1
{ -1, -1, -1, -1, 0xa, 0xa, 0xa, 0xa, 0xa },
// 4.5:1
{ -1, -1, -1, 0x7, 0x7, 0x7, 0x7, 0x7, -1 },
// 5:1
{ -1, -1, -1, 0xb, 0xb, 0xb, 0xb, -1, -1 },
// 5.5:1
{ -1, -1, -1, 0x9, 0x9, 0x9, -1, -1, -1 },
// 6:1
{ -1, -1, 0xd, 0xd, 0xd, 0xd, -1, -1, -1 },
};
/******************************************************************************
Configuration Data Structures
******************************************************************************/
typedef struct {
PPC_MODEL pvr;
int bus_frequency_multiplier;
PPC_BUS_FREQUENCY bus_frequency;
} PPC_CONFIG;
typedef struct
{
UINT32 start;
UINT32 end;
UINT32 * ptr;
} PPC_FETCH_REGION;
/******************************************************************************
Functions
******************************************************************************/
extern UINT32 ppc_get_pc(void);
extern void ppc_set_irq_line(int irqline);
extern int ppc_execute(int cycles);
extern void ppc_reset(void);
extern void ppc_shutdown(void);
extern void ppc_init(const PPC_CONFIG *config); // must be called second!
extern void ppc_set_fetch(PPC_FETCH_REGION * fetch);
// These have been added to support the new Supermodel
extern void ppc_attach_bus(class CBus *BusPtr); // must be called first!
extern void ppc_save_state(class CBlockFile *SaveState);
extern void ppc_load_state(class CBlockFile *SaveState);
extern UINT32 ppc_get_gpr(unsigned num);
extern double ppc_get_fpr(unsigned num);
extern UINT32 ppc_get_lr(void);
extern UINT32 ppc_read_spr(unsigned spr);
extern UINT32 ppc_read_sr(unsigned num);
#ifdef SUPERMODEL_DEBUGGER
// These have been added to support the Supermodel debugger
extern void ppc_attach_debugger(class Debugger::CPPCDebug *PPCDebugPtr);
extern void ppc_detach_debugger();
extern void ppc_set_pc(UINT32 pc);
extern UINT8 ppc_get_cr(unsigned num);
extern void ppc_set_cr(unsigned num, UINT8 val);
extern void ppc_set_gpr(unsigned num, UINT32 val);
extern void ppc_set_fpr(unsigned num, double val);
extern void ppc_write_spr(unsigned spr, UINT32 val);
extern void ppc_write_sr(unsigned num, UINT32 val);
extern UINT32 ppc_read_msr();
#endif // SUPERMODEL_DEBUGGER
#endif // INCLUDED_PPC_H
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