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-rw-r--r--gdb/ppcbug-rom.c230
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diff --git a/gdb/ppcbug-rom.c b/gdb/ppcbug-rom.c
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+/* Remote debugging interface for PPCbug (PowerPC) Rom monitor
+ for GDB, the GNU debugger.
+ Copyright 1995 Free Software Foundation, Inc.
+
+ Written by Stu Grossman of Cygnus Support
+
+This file is part of GDB.
+
+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 2 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, write to the Free Software
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+
+#include "defs.h"
+#include "gdbcore.h"
+#include "target.h"
+#include "monitor.h"
+#include "serial.h"
+
+static void ppcbug_open PARAMS ((char *args, int from_tty));
+
+static void
+ppcbug_supply_register (regname, regnamelen, val, vallen)
+ char *regname;
+ int regnamelen;
+ char *val;
+ int vallen;
+{
+ int regno = 0, base = 0;
+
+ if (regnamelen < 2 || regnamelen > 4)
+ return;
+
+ switch (regname[0])
+ {
+ case 'R':
+ if (regname[1] < '0' || regname[1] > '9')
+ return;
+ if (regnamelen == 2)
+ regno = regname[1] - '0';
+ else if (regnamelen == 3 && regname[2] >= '0' && regname[2] <= '9')
+ regno = (regname[1] - '0') * 10 + (regname[2] - '0');
+ else
+ return;
+ break;
+ case 'F':
+ if (regname[1] != 'R' || regname[2] < '0' || regname[2] > '9')
+ return;
+ if (regnamelen == 3)
+ regno = 32 + regname[2] - '0';
+ else if (regnamelen == 4 && regname[3] >= '0' && regname[3] <= '9')
+ regno = 32 + (regname[2] - '0') * 10 + (regname[3] - '0');
+ else
+ return;
+ break;
+ case 'I':
+ if (regnamelen != 2 || regname[1] != 'P')
+ return;
+ regno = 64;
+ break;
+ case 'M':
+ if (regnamelen != 3 || regname[1] != 'S' || regname[2] != 'R')
+ return;
+ regno = 65;
+ break;
+ case 'C':
+ if (regnamelen != 2 || regname[1] != 'R')
+ return;
+ regno = 66;
+ break;
+ case 'S':
+ if (regnamelen != 4 || regname[1] != 'P' || regname[2] != 'R')
+ return;
+ else if (regname[3] == '8')
+ regno = 67;
+ else if (regname[3] == '9')
+ regno = 68;
+ else if (regname[3] == '1')
+ regno = 69;
+ else if (regname[3] == '0')
+ regno = 70;
+ else
+ return;
+ break;
+ default:
+ return;
+ }
+
+ monitor_supply_register (regno, val);
+}
+
+/*
+ * This array of registers needs to match the indexes used by GDB. The
+ * whole reason this exists is because the various ROM monitors use
+ * different names than GDB does, and don't support all the
+ * registers either. So, typing "info reg sp" becomes an "A7".
+ */
+
+static char *ppcbug_regnames[NUM_REGS] =
+{
+ "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7",
+ "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15",
+ "r16", "r17", "r18", "r19", "r20", "r21", "r22", "r23",
+ "r24", "r25", "r26", "r27", "r28", "r29", "r30", "r31",
+
+ "fr0", "fr1", "fr2", "fr3", "fr4", "fr5", "fr6", "fr7",
+ "fr8", "fr9", "fr10", "fr11", "fr12", "fr13", "fr14", "fr15",
+ "fr16", "fr17", "fr18", "fr19", "fr20", "fr21", "fr22", "fr23",
+ "fr24", "fr25", "fr26", "fr27", "fr28", "fr29", "fr30", "fr31",
+
+/* pc ps cnd lr cnt xer mq */
+ "ip", "msr", "cr", "spr8", "spr9", "spr1", "spr0"
+};
+
+/*
+ * Define the monitor command strings. Since these are passed directly
+ * through to a printf style function, we need can include formatting
+ * strings. We also need a CR or LF on the end.
+ */
+
+static struct target_ops ppcbug_ops0;
+static struct target_ops ppcbug_ops1;
+
+static char *ppcbug_inits[] = {"\r", NULL};
+
+static void
+init_ppc_cmds (char * LOAD_CMD,
+ struct monitor_ops * OPS,
+ struct target_ops * targops)
+{
+ OPS->flags = MO_CLR_BREAK_USES_ADDR | MO_HANDLE_NL;
+ OPS->init = ppcbug_inits; /* Init strings */
+ OPS->cont = "g\r"; /* continue command */
+ OPS->step = "t\r"; /* single step */
+ OPS->stop = NULL; /* interrupt command */
+ OPS->set_break = "br %x\r"; /* set a breakpoint */
+ OPS->clr_break = "nobr %x\r"; /* clear a breakpoint */
+ OPS->clr_all_break = "nobr\r"; /* clear all breakpoints */
+ OPS->fill = "bf %x:%x %x;b\r"; /* fill (start count val) */
+ OPS->setmem.cmdb = "ms %x %02x\r"; /* setmem.cmdb (addr, value) */
+ OPS->setmem.cmdw = "ms %x %04x\r"; /* setmem.cmdw (addr, value) */
+ OPS->setmem.cmdl = "ms %x %08x\r"; /* setmem.cmdl (addr, value) */
+ OPS->setmem.cmdll = NULL; /* setmem.cmdll (addr, value) */
+ OPS->setmem.resp_delim = NULL; /* setreg.resp_delim */
+ OPS->setmem.term = NULL; /* setreg.term */
+ OPS->setmem.term_cmd = NULL; /* setreg.term_cmd */
+ OPS->getmem.cmdb = "md %x:%x;b\r"; /* getmem.cmdb (addr, len) */
+ OPS->getmem.cmdw = "md %x:%x;b\r"; /* getmem.cmdw (addr, len) */
+ OPS->getmem.cmdl = "md %x:%x;b\r"; /* getmem.cmdl (addr, len) */
+ OPS->getmem.cmdll = NULL; /* getmem.cmdll (addr, len) */
+ OPS->getmem.resp_delim = " "; /* getmem.resp_delim */
+ OPS->getmem.term = NULL; /* getmem.term */
+ OPS->getmem.term_cmd = NULL; /* getmem.term_cmd */
+ OPS->setreg.cmd = "rs %s %x\r"; /* setreg.cmd (name, value) */
+ OPS->setreg.resp_delim = NULL; /* setreg.resp_delim */
+ OPS->setreg.term = NULL; /* setreg.term */
+ OPS->setreg.term_cmd = NULL ; /* setreg.term_cmd */
+ OPS->getreg.cmd = "rs %s\r"; /* getreg.cmd (name) */
+ OPS->getreg.resp_delim = "="; /* getreg.resp_delim */
+ OPS->getreg.term = NULL; /* getreg.term */
+ OPS->getreg.term_cmd = NULL ; /* getreg.term_cmd */
+ OPS->register_pattern = "\\(\\w+\\) +=\\([0-9a-fA-F]+\\b\\)"; /* register_pattern */
+ OPS->supply_register = ppcbug_supply_register; /* supply_register */
+ OPS->dump_registers = "rd\r"; /* dump all registers */
+ OPS->load_routine = NULL; /* load_routine (defaults to SRECs) */
+ OPS->load = LOAD_CMD; /* download command */
+ OPS->loadresp = NULL; /* load response */
+ OPS->prompt = "PPC1-Bug>"; /* monitor command prompt */
+ OPS->line_term = "\r"; /* end-of-line terminator */
+ OPS->cmd_end = NULL; /* optional command terminator */
+ OPS->target = targops ; /* target operations */
+ OPS->stopbits = SERIAL_1_STOPBITS; /* number of stop bits */
+ OPS->regnames = ppcbug_regnames; /* registers names */
+ OPS->magic = MONITOR_OPS_MAGIC; /* magic */
+}
+
+
+static struct monitor_ops ppcbug_cmds0 ;
+static struct monitor_ops ppcbug_cmds1 ;
+
+static void
+ppcbug_open0(args, from_tty)
+ char *args;
+ int from_tty;
+{
+ monitor_open (args, &ppcbug_cmds0, from_tty);
+}
+
+static void
+ppcbug_open1(args, from_tty)
+ char *args;
+ int from_tty;
+{
+ monitor_open (args, &ppcbug_cmds1, from_tty);
+}
+
+void
+_initialize_ppcbug_rom ()
+{
+ init_ppc_cmds("lo 0\r", &ppcbug_cmds0, &ppcbug_ops0) ;
+ init_ppc_cmds("lo 1\r", &ppcbug_cmds1, &ppcbug_ops1);
+ init_monitor_ops (&ppcbug_ops0);
+
+ ppcbug_ops0.to_shortname = "ppcbug";
+ ppcbug_ops0.to_longname = "PowerPC PPCBug monitor on port 0";
+ ppcbug_ops0.to_doc = "Debug via the PowerPC PPCBug monitor using port 0.\n\
+Specify the serial device it is connected to (e.g. /dev/ttya).";
+ ppcbug_ops0.to_open = ppcbug_open0;
+
+ add_target (&ppcbug_ops0);
+
+ init_monitor_ops (&ppcbug_ops1);
+
+ ppcbug_ops1.to_shortname = "ppcbug1";
+ ppcbug_ops1.to_longname = "PowerPC PPCBug monitor on port 1";
+ ppcbug_ops1.to_doc = "Debug via the PowerPC PPCBug monitor using port 1.\n\
+Specify the serial device it is connected to (e.g. /dev/ttya).";
+ ppcbug_ops1.to_open = ppcbug_open1;
+
+ add_target (&ppcbug_ops1);
+}
generated by cgit v1.1 at 2024-11-24 03:32:45 +0000