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104 |
markom |
/* Remote target glue for the Hitachi SH-3 ROM monitor.
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Copyright 1995, 1996 Free Software Foundation, Inc.
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This file is part of GDB.
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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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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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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,
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Boston, MA 02111-1307, USA. */
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#include "defs.h"
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#include "gdbcore.h"
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#include "target.h"
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#include "monitor.h"
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#include "serial.h"
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#include "srec.h"
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static serial_t parallel;
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static int parallel_in_use;
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static void sh3_open PARAMS ((char *args, int from_tty));
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static void
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sh3_supply_register (regname, regnamelen, val, vallen)
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char *regname;
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int regnamelen;
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char *val;
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int vallen;
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{
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int numregs;
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int regno;
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numregs = 1;
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regno = -1;
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if (regnamelen == 2)
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{
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switch (regname[0])
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{
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case 'S':
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if (regname[1] == 'R')
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regno = SR_REGNUM;
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break;
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case 'P':
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if (regname[1] == 'C')
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regno = PC_REGNUM;
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else if (regname[1] == 'R')
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regno = PR_REGNUM;
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break;
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}
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}
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else if (regnamelen == 3)
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{
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switch (regname[0])
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{
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case 'G':
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case 'V':
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if (regname[1] == 'B' && regname[2] == 'R')
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{
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if (regname[0] == 'G')
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regno = VBR_REGNUM;
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else
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regno = GBR_REGNUM;
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}
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break;
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case 'S':
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if (regname[1] == 'S' && regname[2] == 'R')
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regno = SSR_REGNUM;
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else if (regname[1] == 'P' && regname[2] == 'C')
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regno = SPC_REGNUM;
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break;
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}
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}
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else if (regnamelen == 4)
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{
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switch (regname[0])
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{
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case 'M':
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if (regname[1] == 'A' && regname[2] == 'C')
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{
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if (regname[3] == 'H')
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regno = MACH_REGNUM;
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else if (regname[3] == 'L')
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regno = MACL_REGNUM;
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}
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break;
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case 'R':
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if (regname[1] == '0' && regname[2] == '-' && regname[3] == '7')
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{
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regno = R0_REGNUM;
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numregs = 8;
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}
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}
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}
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else if (regnamelen == 5)
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{
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if (regname[1] == '8' && regname[2] == '-' && regname[3] == '1'
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&& regname[4] == '5')
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{
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regno = R0_REGNUM + 8;
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numregs = 8;
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}
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}
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else if (regnamelen == 17)
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{
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}
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if (regno >= 0)
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while (numregs-- > 0)
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val = monitor_supply_register (regno++, val);
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}
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static void
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sh3_load (desc, file, hashmark)
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serial_t desc;
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char *file;
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int hashmark;
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{
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if (parallel_in_use)
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{
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monitor_printf ("pl;s\r");
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load_srec (parallel, file, 0, 80, SREC_ALL, hashmark, NULL);
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monitor_expect_prompt (NULL, 0);
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}
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else
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{
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monitor_printf ("il;s:x\r");
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monitor_expect ("\005", NULL, 0); /* Look for ENQ */
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SERIAL_WRITE (desc, "\006", 1); /* Send ACK */
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monitor_expect ("LO x\r", NULL, 0); /* Look for filename */
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load_srec (desc, file, 0, 80, SREC_ALL, hashmark, NULL);
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monitor_expect ("\005", NULL, 0); /* Look for ENQ */
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SERIAL_WRITE (desc, "\006", 1); /* Send ACK */
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monitor_expect_prompt (NULL, 0);
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}
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}
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/* This array of registers need to match the indexes used by GDB.
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This exists because the various ROM monitors use different strings
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than does GDB, and don't necessarily support all the registers
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either. So, typing "info reg sp" becomes a "r30". */
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static char *sh3_regnames[NUM_REGS] =
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{
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"R0", "R1", "R2", "R3", "R4", "R5", "R6", "R7",
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"R8", "R9", "R10", "R11", "R12", "R13", "R14", "R15",
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"PC", "PR", "GBR", "VBR", "MACH", "MACL", "SR",
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NULL, NULL,
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NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
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NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
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"SSR", "SPC",
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"R0_BANK0", "R1_BANK0", "R2_BANK0", "R3_BANK0",
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"R4_BANK0", "R5_BANK0", "R6_BANK0", "R7_BANK0",
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"R0_BANK1", "R1_BANK1", "R2_BANK1", "R3_BANK1",
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"R4_BANK1", "R5_BANK1", "R6_BANK1", "R7_BANK1"
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};
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static char *sh3e_regnames[NUM_REGS] =
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{
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"R0", "R1", "R2", "R3", "R4", "R5", "R6", "R7",
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"R8", "R9", "R10", "R11", "R12", "R13", "R14", "R15",
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"PC", "PR", "GBR", "VBR", "MACH", "MACL", "SR",
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"FPUL", "FPSCR",
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"FR0", "FR1", "FR2", "FR3", "FR4", "FR5", "FR6", "FR7",
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"FR8", "FR9", "FR10", "FR11", "FR12", "FR13", "FR14", "FR15",
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"SSR", "SPC",
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"R0_BANK0", "R1_BANK0", "R2_BANK0", "R3_BANK0",
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"R4_BANK0", "R5_BANK0", "R6_BANK0", "R7_BANK0",
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"R0_BANK1", "R1_BANK1", "R2_BANK1", "R3_BANK1",
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"R4_BANK1", "R5_BANK1", "R6_BANK1", "R7_BANK1"
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};
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/* Define the monitor command strings. Since these are passed directly
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through to a printf style function, we may include formatting
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strings. We also need a CR or LF on the end. */
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static struct target_ops sh3_ops, sh3e_ops;
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static char *sh3_inits[] =
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{"\003", NULL}; /* Exits sub-command mode & download cmds */
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static struct monitor_ops sh3_cmds;
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static void
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init_sh3_cmds (void)
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{
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sh3_cmds.flags = MO_CLR_BREAK_USES_ADDR | MO_GETMEM_READ_SINGLE; /* flags */
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sh3_cmds.init = sh3_inits; /* monitor init string */
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sh3_cmds.cont = "g\r"; /* continue command */
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sh3_cmds.step = "s\r"; /* single step */
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sh3_cmds.stop = "\003"; /* Interrupt program */
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sh3_cmds.set_break = "b %x\r"; /* set a breakpoint */
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sh3_cmds.clr_break = "b -%x\r"; /* clear a breakpoint */
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sh3_cmds.clr_all_break = "b -\r"; /* clear all breakpoints */
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sh3_cmds.fill = "f %x @%x %x\r"; /* fill (start len val) */
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sh3_cmds.setmem.cmdb = "m %x %x\r"; /* setmem.cmdb (addr, value) */
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sh3_cmds.setmem.cmdw = "m %x %x;w\r"; /* setmem.cmdw (addr, value) */
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sh3_cmds.setmem.cmdl = "m %x %x;l\r"; /* setmem.cmdl (addr, value) */
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sh3_cmds.setmem.cmdll = NULL; /* setmem.cmdll (addr, value) */
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sh3_cmds.setmem.resp_delim = NULL; /* setreg.resp_delim */
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sh3_cmds.setmem.term = NULL; /* setreg.term */
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sh3_cmds.setmem.term_cmd = NULL; /* setreg.term_cmd */
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sh3_cmds.getmem.cmdb = "m %x\r"; /* getmem.cmdb (addr, len) */
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sh3_cmds.getmem.cmdw = "m %x;w\r"; /* getmem.cmdw (addr, len) */
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sh3_cmds.getmem.cmdl = "m %x;l\r"; /* getmem.cmdl (addr, len) */
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sh3_cmds.getmem.cmdll = NULL; /* getmem.cmdll (addr, len) */
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sh3_cmds.getmem.resp_delim = "^ [0-9A-F]+ "; /* getmem.resp_delim */
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| 220 |
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sh3_cmds.getmem.term = "? "; /* getmem.term */
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| 221 |
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sh3_cmds.getmem.term_cmd = ".\r"; /* getmem.term_cmd */
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| 222 |
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sh3_cmds.setreg.cmd = ".%s %x\r"; /* setreg.cmd (name, value) */
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| 223 |
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sh3_cmds.setreg.resp_delim = NULL; /* setreg.resp_delim */
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| 224 |
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sh3_cmds.setreg.term = NULL; /* setreg.term */
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sh3_cmds.setreg.term_cmd = NULL; /* setreg.term_cmd */
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sh3_cmds.getreg.cmd = ".%s\r"; /* getreg.cmd (name) */
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sh3_cmds.getreg.resp_delim = "="; /* getreg.resp_delim */
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| 228 |
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sh3_cmds.getreg.term = "? "; /* getreg.term */
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| 229 |
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sh3_cmds.getreg.term_cmd = ".\r"; /* getreg.term_cmd */
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| 230 |
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sh3_cmds.dump_registers = "r\r"; /* dump_registers */
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| 231 |
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sh3_cmds.register_pattern = "\\(\\w+\\)=\\([0-9a-fA-F]+\\( +[0-9a-fA-F]+\\b\\)*\\)";
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sh3_cmds.supply_register = sh3_supply_register; /* supply_register */
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| 233 |
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sh3_cmds.load_routine = sh3_load; /* load_routine */
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sh3_cmds.load = NULL; /* download command */
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| 235 |
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sh3_cmds.loadresp = NULL; /* Load response */
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| 236 |
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sh3_cmds.prompt = "\n:"; /* monitor command prompt */
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| 237 |
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sh3_cmds.line_term = "\r"; /* end-of-line terminator */
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| 238 |
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sh3_cmds.cmd_end = ".\r"; /* optional command terminator */
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| 239 |
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sh3_cmds.target = &sh3_ops; /* target operations */
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| 240 |
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sh3_cmds.stopbits = SERIAL_1_STOPBITS; /* number of stop bits */
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| 241 |
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sh3_cmds.regnames = sh3_regnames; /* registers names */
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| 242 |
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sh3_cmds.magic = MONITOR_OPS_MAGIC; /* magic */
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| 243 |
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} /* init_sh3_cmds */
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| 244 |
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|
| 245 |
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/* This monitor structure is identical except for a couple slots, so
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| 246 |
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we will fill it in from the base structure when needed. */
|
| 247 |
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|
| 248 |
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static struct monitor_ops sh3e_cmds;
|
| 249 |
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|
| 250 |
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static void
|
| 251 |
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sh3_open (args, from_tty)
|
| 252 |
|
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char *args;
|
| 253 |
|
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int from_tty;
|
| 254 |
|
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{
|
| 255 |
|
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char *serial_port_name = args;
|
| 256 |
|
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char *parallel_port_name = 0;
|
| 257 |
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|
| 258 |
|
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if (args)
|
| 259 |
|
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{
|
| 260 |
|
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char *cursor = serial_port_name = strsave (args);
|
| 261 |
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| 262 |
|
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while (*cursor && *cursor != ' ')
|
| 263 |
|
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cursor++;
|
| 264 |
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|
| 265 |
|
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if (*cursor)
|
| 266 |
|
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*cursor++ = 0;
|
| 267 |
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|
| 268 |
|
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while (*cursor == ' ')
|
| 269 |
|
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cursor++;
|
| 270 |
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|
| 271 |
|
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if (*cursor)
|
| 272 |
|
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parallel_port_name = cursor;
|
| 273 |
|
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}
|
| 274 |
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|
| 275 |
|
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monitor_open (serial_port_name, &sh3_cmds, from_tty);
|
| 276 |
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|
| 277 |
|
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if (parallel_port_name)
|
| 278 |
|
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{
|
| 279 |
|
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parallel = SERIAL_OPEN (parallel_port_name);
|
| 280 |
|
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|
| 281 |
|
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if (!parallel)
|
| 282 |
|
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perror_with_name ("Unable to open parallel port.");
|
| 283 |
|
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|
| 284 |
|
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parallel_in_use = 1;
|
| 285 |
|
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}
|
| 286 |
|
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|
| 287 |
|
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/* If we connected successfully, we know the processor is an SH3. */
|
| 288 |
|
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set_architecture_from_arch_mach (bfd_arch_sh, bfd_mach_sh3);
|
| 289 |
|
|
}
|
| 290 |
|
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|
| 291 |
|
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|
| 292 |
|
|
static void
|
| 293 |
|
|
sh3e_open (args, from_tty)
|
| 294 |
|
|
char *args;
|
| 295 |
|
|
int from_tty;
|
| 296 |
|
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{
|
| 297 |
|
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char *serial_port_name = args;
|
| 298 |
|
|
char *parallel_port_name = 0;
|
| 299 |
|
|
|
| 300 |
|
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if (args)
|
| 301 |
|
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{
|
| 302 |
|
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char *cursor = serial_port_name = strsave (args);
|
| 303 |
|
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|
| 304 |
|
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while (*cursor && *cursor != ' ')
|
| 305 |
|
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cursor++;
|
| 306 |
|
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|
| 307 |
|
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if (*cursor)
|
| 308 |
|
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*cursor++ = 0;
|
| 309 |
|
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|
| 310 |
|
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while (*cursor == ' ')
|
| 311 |
|
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cursor++;
|
| 312 |
|
|
|
| 313 |
|
|
if (*cursor)
|
| 314 |
|
|
parallel_port_name = cursor;
|
| 315 |
|
|
}
|
| 316 |
|
|
|
| 317 |
|
|
/* Set up the SH-3E monitor commands structure. */
|
| 318 |
|
|
|
| 319 |
|
|
memcpy (&sh3e_cmds, &sh3_cmds, sizeof (struct monitor_ops));
|
| 320 |
|
|
|
| 321 |
|
|
sh3e_cmds.target = &sh3e_ops;
|
| 322 |
|
|
sh3e_cmds.regnames = sh3e_regnames;
|
| 323 |
|
|
|
| 324 |
|
|
monitor_open (serial_port_name, &sh3e_cmds, from_tty);
|
| 325 |
|
|
|
| 326 |
|
|
if (parallel_port_name)
|
| 327 |
|
|
{
|
| 328 |
|
|
parallel = SERIAL_OPEN (parallel_port_name);
|
| 329 |
|
|
|
| 330 |
|
|
if (!parallel)
|
| 331 |
|
|
perror_with_name ("Unable to open parallel port.");
|
| 332 |
|
|
|
| 333 |
|
|
parallel_in_use = 1;
|
| 334 |
|
|
}
|
| 335 |
|
|
|
| 336 |
|
|
/* If we connected successfully, we know the processor is an SH3E. */
|
| 337 |
|
|
set_architecture_from_arch_mach (bfd_arch_sh, bfd_mach_sh3);
|
| 338 |
|
|
}
|
| 339 |
|
|
|
| 340 |
|
|
static void
|
| 341 |
|
|
sh3_close (quitting)
|
| 342 |
|
|
int quitting;
|
| 343 |
|
|
{
|
| 344 |
|
|
monitor_close (quitting);
|
| 345 |
|
|
if (parallel_in_use)
|
| 346 |
|
|
{
|
| 347 |
|
|
SERIAL_CLOSE (parallel);
|
| 348 |
|
|
parallel_in_use = 0;
|
| 349 |
|
|
}
|
| 350 |
|
|
}
|
| 351 |
|
|
|
| 352 |
|
|
void
|
| 353 |
|
|
_initialize_sh3_rom ()
|
| 354 |
|
|
{
|
| 355 |
|
|
init_sh3_cmds ();
|
| 356 |
|
|
init_monitor_ops (&sh3_ops);
|
| 357 |
|
|
|
| 358 |
|
|
sh3_ops.to_shortname = "sh3";
|
| 359 |
|
|
sh3_ops.to_longname = "Hitachi SH-3 rom monitor";
|
| 360 |
|
|
|
| 361 |
|
|
sh3_ops.to_doc =
|
| 362 |
|
|
#ifdef _WINDOWS
|
| 363 |
|
|
/* On windows we can talk through the parallel port too. */
|
| 364 |
|
|
"Debug on a Hitachi eval board running the SH-3 rom monitor.\n"
|
| 365 |
|
|
"Specify the serial device it is connected to (e.g. com2).\n"
|
| 366 |
|
|
"If you want to use the parallel port to download to it, specify that\n"
|
| 367 |
|
|
"as the second argument. (e.g. lpt1)";
|
| 368 |
|
|
#else
|
| 369 |
|
|
"Debug on a Hitachi eval board running the SH-3 rom monitor.\n\
|
| 370 |
|
|
Specify the serial device it is connected to (e.g. /dev/ttya).";
|
| 371 |
|
|
#endif
|
| 372 |
|
|
|
| 373 |
|
|
sh3_ops.to_open = sh3_open;
|
| 374 |
|
|
sh3_ops.to_close = sh3_close;
|
| 375 |
|
|
|
| 376 |
|
|
add_target (&sh3_ops);
|
| 377 |
|
|
|
| 378 |
|
|
/* Setup the SH3e, which has float registers. */
|
| 379 |
|
|
|
| 380 |
|
|
init_monitor_ops (&sh3e_ops);
|
| 381 |
|
|
|
| 382 |
|
|
sh3e_ops.to_shortname = "sh3e";
|
| 383 |
|
|
sh3e_ops.to_longname = "Hitachi SH-3E rom monitor";
|
| 384 |
|
|
|
| 385 |
|
|
sh3e_ops.to_doc =
|
| 386 |
|
|
#ifdef _WINDOWS
|
| 387 |
|
|
/* On windows we can talk through the parallel port too. */
|
| 388 |
|
|
"Debug on a Hitachi eval board running the SH-3E rom monitor.\n"
|
| 389 |
|
|
"Specify the serial device it is connected to (e.g. com2).\n"
|
| 390 |
|
|
"If you want to use the parallel port to download to it, specify that\n"
|
| 391 |
|
|
"as the second argument. (e.g. lpt1)";
|
| 392 |
|
|
#else
|
| 393 |
|
|
"Debug on a Hitachi eval board running the SH-3E rom monitor.\n\
|
| 394 |
|
|
Specify the serial device it is connected to (e.g. /dev/ttya).";
|
| 395 |
|
|
#endif
|
| 396 |
|
|
|
| 397 |
|
|
sh3e_ops.to_open = sh3e_open;
|
| 398 |
|
|
sh3e_ops.to_close = sh3_close;
|
| 399 |
|
|
|
| 400 |
|
|
add_target (&sh3e_ops);
|
| 401 |
|
|
}
|
