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To enter break point, you need to run a m68k program in Macintosh guest OS. The program executes a new emul_op instruction 0x7138. The program will be provided in cxmon/utils folder in a separate commit. Once emulation is suspended, you can enter below new cxmon command to manipluate break points: ba [address] Add a break point br [breakpoints#] Remove a break point. If # is 0, remove all break points. bd [breakpoints#] Disable a break point. If # is 0, disable all break points. be [breakpoints#] Enable a break point. If # is 0, enable all break points. bi List all break points bs "file" Save all break points to a file bl "file" Load break points from a file Once emulation PC reach break point address, it automatically suspends and traps into cxmon. Signed-off-by: Ricky Zhang <rickyzhang@gmail.com>
101 lines
2.9 KiB
C
101 lines
2.9 KiB
C
/*
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* emul_op.h - 68k opcodes for ROM patches
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*
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* Basilisk II (C) 1997-2008 Christian Bauer
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef EMUL_OP_H
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#define EMUL_OP_H
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// 68k opcodes
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const uint16 M68K_ILLEGAL = 0x4afc;
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const uint16 M68K_NOP = 0x4e71;
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const uint16 M68K_RTS = 0x4e75;
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const uint16 M68K_RTD = 0x4e74;
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const uint16 M68K_RTR = 0x4e77;
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const uint16 M68K_JMP = 0x4ef9;
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const uint16 M68K_JMP_A0 = 0x4ed0;
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const uint16 M68K_JSR = 0x4eb9;
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const uint16 M68K_JSR_A0 = 0x4e90;
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// Extended opcodes
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enum {
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M68K_EXEC_RETURN = 0x7100, // Extended opcodes (illegal moveq form)
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M68K_EMUL_BREAK,
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M68K_EMUL_OP_SHUTDOWN,
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M68K_EMUL_OP_RESET,
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M68K_EMUL_OP_CLKNOMEM,
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M68K_EMUL_OP_READ_XPRAM,
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M68K_EMUL_OP_READ_XPRAM2,
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M68K_EMUL_OP_PATCH_BOOT_GLOBS,
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M68K_EMUL_OP_FIX_BOOTSTACK, // 0x7108
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M68K_EMUL_OP_FIX_MEMSIZE,
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M68K_EMUL_OP_INSTALL_DRIVERS,
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M68K_EMUL_OP_SERD,
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M68K_EMUL_OP_SONY_OPEN,
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M68K_EMUL_OP_SONY_PRIME,
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M68K_EMUL_OP_SONY_CONTROL,
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M68K_EMUL_OP_SONY_STATUS,
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M68K_EMUL_OP_DISK_OPEN, // 0x7110
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M68K_EMUL_OP_DISK_PRIME,
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M68K_EMUL_OP_DISK_CONTROL,
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M68K_EMUL_OP_DISK_STATUS,
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M68K_EMUL_OP_CDROM_OPEN,
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M68K_EMUL_OP_CDROM_PRIME,
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M68K_EMUL_OP_CDROM_CONTROL,
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M68K_EMUL_OP_CDROM_STATUS,
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M68K_EMUL_OP_VIDEO_OPEN, // 0x7118
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M68K_EMUL_OP_VIDEO_CONTROL,
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M68K_EMUL_OP_VIDEO_STATUS,
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M68K_EMUL_OP_SERIAL_OPEN,
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M68K_EMUL_OP_SERIAL_PRIME,
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M68K_EMUL_OP_SERIAL_CONTROL,
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M68K_EMUL_OP_SERIAL_STATUS,
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M68K_EMUL_OP_SERIAL_CLOSE,
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M68K_EMUL_OP_ETHER_OPEN, // 0x7120
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M68K_EMUL_OP_ETHER_CONTROL,
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M68K_EMUL_OP_ETHER_READ_PACKET,
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M68K_EMUL_OP_ADBOP,
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M68K_EMUL_OP_INSTIME,
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M68K_EMUL_OP_RMVTIME,
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M68K_EMUL_OP_PRIMETIME,
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M68K_EMUL_OP_MICROSECONDS,
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M68K_EMUL_OP_SCSI_DISPATCH, // 0x7128
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M68K_EMUL_OP_IRQ,
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M68K_EMUL_OP_PUT_SCRAP,
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M68K_EMUL_OP_GET_SCRAP,
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M68K_EMUL_OP_CHECKLOAD,
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M68K_EMUL_OP_AUDIO,
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M68K_EMUL_OP_EXTFS_COMM,
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M68K_EMUL_OP_EXTFS_HFS,
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M68K_EMUL_OP_BLOCK_MOVE, // 0x7130
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M68K_EMUL_OP_SOUNDIN_OPEN,
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M68K_EMUL_OP_SOUNDIN_PRIME,
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M68K_EMUL_OP_SOUNDIN_CONTROL,
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M68K_EMUL_OP_SOUNDIN_STATUS,
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M68K_EMUL_OP_SOUNDIN_CLOSE,
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M68K_EMUL_OP_DEBUGUTIL,
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M68K_EMUL_OP_IDLE_TIME,
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M68K_EMUL_OP_SUSPEND,
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M68K_EMUL_OP_MAX // highest number
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};
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// Functions
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extern void EmulOp(uint16 opcode, struct M68kRegisters *r); // Execute EMUL_OP opcode (called by 68k emulator or Line-F trap handler)
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#endif
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