talking to a Motorola PPC 8xx ADS board
Copyright 1996, 1997 Free Software Foundation, Inc.
-This file is part of GDB.
+ 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 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.
+ 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. */
+ 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"
static void bdm_ppc_open PARAMS ((char *name, int from_tty));
static int bdm_ppc_wait PARAMS ((int pid,
- struct target_waitstatus *target_status));
+ struct target_waitstatus * target_status));
static void bdm_ppc_fetch_registers PARAMS ((int regno));
extern struct target_ops bdm_ppc_ops; /* Forward decl */
\f
-/*#define BDM_NUM_REGS 71*/
+/*#define BDM_NUM_REGS 71 */
#define BDM_NUM_REGS 24
#define BDM_REGMAP \
8, /* lr (SPR 8) */ \
9, /* cnt (CTR (SPR 9)) */ \
1, /* xer (SPR 1) */ \
- 0, /* mq (SPR 0) */
-
+ 0, /* mq (SPR 0) */
\f
-char nowatchdog[4] = {0xff,0xff,0xff,0x88};
+
+char nowatchdog[4] =
+{0xff, 0xff, 0xff, 0x88};
/* Open a connection to a remote debugger.
NAME is the filename used for communication. */
return inferior_pid;
}
- target_status->value.sig = TARGET_SIGNAL_TRAP; /* XXX for now */
+ target_status->value.sig = TARGET_SIGNAL_TRAP; /* XXX for now */
#if 0
{
unsigned long ecr, der;
- ecr = ocd_read_bdm_register (148); /* Read the exception cause register */
- der = ocd_read_bdm_register (149); /* Read the debug enables register */
+ ecr = ocd_read_bdm_register (148); /* Read the exception cause register */
+ der = ocd_read_bdm_register (149); /* Read the debug enables register */
fprintf_unfiltered (gdb_stdout, "ecr = 0x%x, der = 0x%x\n", ecr, der);
}
#endif
return inferior_pid;
}
\f
-static int bdm_regmap[] = {BDM_REGMAP};
+static int bdm_regmap[] =
+{BDM_REGMAP};
/* Read the remote registers into regs.
Fetch register REGNO, or all registers if REGNO == -1
The Wiggler uses the following codes to access the registers:
- 0 -> 1023 SPR 0 -> 1023
- 0 - SPR 0 - MQ
- 1 - SPR 1 - XER
- 8 - SPR 8 - LR
- 9 - SPR 9 - CTR (known as cnt in GDB)
- 26 - SPR 26 - SRR0 - pc
- 1024 -> 2047 DCR 0 -> DCR 1023 (IBM PPC 4xx only)
- 2048 -> 2079 R0 -> R31
- 2080 -> 2143 FP0 -> FP31 (64 bit regs) (IBM PPC 5xx only)
- 2144 CR (known as cnd in GDB)
- 2145 FPCSR
- 2146 MSR (known as ps in GDB)
+ 0 -> 1023 SPR 0 -> 1023
+ 0 - SPR 0 - MQ
+ 1 - SPR 1 - XER
+ 8 - SPR 8 - LR
+ 9 - SPR 9 - CTR (known as cnt in GDB)
+ 26 - SPR 26 - SRR0 - pc
+ 1024 -> 2047 DCR 0 -> DCR 1023 (IBM PPC 4xx only)
+ 2048 -> 2079 R0 -> R31
+ 2080 -> 2143 FP0 -> FP31 (64 bit regs) (IBM PPC 5xx only)
+ 2144 CR (known as cnd in GDB)
+ 2145 FPCSR
+ 2146 MSR (known as ps in GDB)
*/
static void
first_regno = regno;
last_regno = regno;
- first_bdm_regno = bdm_regmap [regno];
- last_bdm_regno = bdm_regmap [regno];
+ first_bdm_regno = bdm_regmap[regno];
+ last_bdm_regno = bdm_regmap[regno];
}
if (first_bdm_regno == -1)
/* if asking for an invalid register */
if ((first_regno == MQ_REGNUM) ||
- ((first_regno >= FP0_REGNUM) && (first_regno <= FPLAST_REGNUM)))
+ ((first_regno >= FP0_REGNUM) && (first_regno <= FPLAST_REGNUM)))
{
/* printf("invalid reg request!\n"); */
- supply_register (first_regno, NULL);
- return; /* Unsupported register */
- }
+ supply_register (first_regno, NULL);
+ return; /* Unsupported register */
+ }
else
{
- regs = ocd_read_bdm_registers (first_bdm_regno,
- last_bdm_regno, ®len);
- }
+ regs = ocd_read_bdm_registers (first_bdm_regno,
+ last_bdm_regno, ®len);
+ }
}
- else /* want all regs */
+ else
+ /* want all regs */
{
/* printf("Asking for registers %d to %d\n", first_regno, last_regno); */
beginregs = ocd_read_bdm_registers (first_bdm_regno,
- FP0_REGNUM - 1, &beginreglen);
- endregs = (strcat (midregs,
- ocd_read_bdm_registers (FPLAST_REGNUM + 1,
- last_bdm_regno - 1, &endreglen)));
+ FP0_REGNUM - 1, &beginreglen);
+ endregs = (strcat (midregs,
+ ocd_read_bdm_registers (FPLAST_REGNUM + 1,
+ last_bdm_regno - 1, &endreglen)));
almostregs = (strcat (beginregs, endregs));
regs = (strcat (almostregs, mqreg));
reglen = beginreglen + 32 + endreglen + 1;
{
int bdm_regno, regoffset;
- bdm_regno = bdm_regmap [i];
+ bdm_regno = bdm_regmap[i];
if (bdm_regno != -1)
{
regoffset = bdm_regno - first_bdm_regno;
supply_register (i, regs + 4 * regoffset);
}
else
- supply_register (i, NULL); /* Unsupported register */
+ supply_register (i, NULL); /* Unsupported register */
}
}
first_regno = regno;
last_regno = regno;
- first_bdm_regno = bdm_regmap [regno];
- last_bdm_regno = bdm_regmap [regno];
+ first_bdm_regno = bdm_regmap[regno];
+ last_bdm_regno = bdm_regmap[regno];
}
if (first_bdm_regno == -1)
{
int bdm_regno;
- bdm_regno = bdm_regmap [i];
+ bdm_regno = bdm_regmap[i];
/* only attempt to write if it's a valid ppc 8xx register */
/* (need to avoid FP regs and MQ reg) */
if ((i != MQ_REGNUM) && ((i < FP0_REGNUM) || (i > FPLAST_REGNUM)))
{
/* printf("write valid reg %d\n", bdm_regno); */
- ocd_write_bdm_registers (bdm_regno, registers + REGISTER_BYTE (i), 4);
- }
+ ocd_write_bdm_registers (bdm_regno, registers + REGISTER_BYTE (i), 4);
+ }
/*
- else if (i == MQ_REGNUM)
- printf("don't write invalid reg %d (MQ_REGNUM)\n", bdm_regno);
- else
- printf("don't write invalid reg %d\n", bdm_regno);
-*/
+ else if (i == MQ_REGNUM)
+ printf("don't write invalid reg %d (MQ_REGNUM)\n", bdm_regno);
+ else
+ printf("don't write invalid reg %d\n", bdm_regno);
+ */
}
}
\f
/* Define the target subroutine names */
-struct target_ops bdm_ppc_ops ;
+struct target_ops bdm_ppc_ops;
-static void
-init_bdm_ppc_ops(void)
+static void
+init_bdm_ppc_ops (void)
{
- bdm_ppc_ops.to_shortname = "ocd";
- bdm_ppc_ops.to_longname = "Remote target with On-Chip Debugging";
- bdm_ppc_ops.to_doc = "Use a remote target with On-Chip Debugging. To use a target box;\n\
+ bdm_ppc_ops.to_shortname = "ocd";
+ bdm_ppc_ops.to_longname = "Remote target with On-Chip Debugging";
+ bdm_ppc_ops.to_doc = "Use a remote target with On-Chip Debugging. To use a target box;\n\
specify the serial device it is connected to (e.g. /dev/ttya). To use\n\
a wiggler, specify wiggler and then the port it is connected to\n\
-(e.g. wiggler lpt1)." ; /* to_doc */
- bdm_ppc_ops.to_open = bdm_ppc_open;
- bdm_ppc_ops.to_close = ocd_close;
- bdm_ppc_ops.to_attach = NULL;
+(e.g. wiggler lpt1)."; /* to_doc */
+ bdm_ppc_ops.to_open = bdm_ppc_open;
+ bdm_ppc_ops.to_close = ocd_close;
+ bdm_ppc_ops.to_attach = NULL;
bdm_ppc_ops.to_post_attach = NULL;
bdm_ppc_ops.to_require_attach = NULL;
- bdm_ppc_ops.to_detach = ocd_detach;
+ bdm_ppc_ops.to_detach = ocd_detach;
bdm_ppc_ops.to_require_detach = NULL;
- bdm_ppc_ops.to_resume = ocd_resume;
- bdm_ppc_ops.to_wait = bdm_ppc_wait;
+ bdm_ppc_ops.to_resume = ocd_resume;
+ bdm_ppc_ops.to_wait = bdm_ppc_wait;
bdm_ppc_ops.to_post_wait = NULL;
- bdm_ppc_ops.to_fetch_registers = bdm_ppc_fetch_registers;
- bdm_ppc_ops.to_store_registers = bdm_ppc_store_registers;
- bdm_ppc_ops.to_prepare_to_store = ocd_prepare_to_store;
- bdm_ppc_ops.to_xfer_memory = ocd_xfer_memory;
- bdm_ppc_ops.to_files_info = ocd_files_info;
- bdm_ppc_ops.to_insert_breakpoint = ocd_insert_breakpoint;
- bdm_ppc_ops.to_remove_breakpoint = ocd_remove_breakpoint;
- bdm_ppc_ops.to_terminal_init = NULL;
- bdm_ppc_ops.to_terminal_inferior = NULL;
- bdm_ppc_ops.to_terminal_ours_for_output = NULL;
- bdm_ppc_ops.to_terminal_ours = NULL;
- bdm_ppc_ops.to_terminal_info = NULL;
- bdm_ppc_ops.to_kill = ocd_kill;
- bdm_ppc_ops.to_load = ocd_load;
- bdm_ppc_ops.to_lookup_symbol = NULL;
- bdm_ppc_ops.to_create_inferior = ocd_create_inferior;
+ bdm_ppc_ops.to_fetch_registers = bdm_ppc_fetch_registers;
+ bdm_ppc_ops.to_store_registers = bdm_ppc_store_registers;
+ bdm_ppc_ops.to_prepare_to_store = ocd_prepare_to_store;
+ bdm_ppc_ops.to_xfer_memory = ocd_xfer_memory;
+ bdm_ppc_ops.to_files_info = ocd_files_info;
+ bdm_ppc_ops.to_insert_breakpoint = ocd_insert_breakpoint;
+ bdm_ppc_ops.to_remove_breakpoint = ocd_remove_breakpoint;
+ bdm_ppc_ops.to_terminal_init = NULL;
+ bdm_ppc_ops.to_terminal_inferior = NULL;
+ bdm_ppc_ops.to_terminal_ours_for_output = NULL;
+ bdm_ppc_ops.to_terminal_ours = NULL;
+ bdm_ppc_ops.to_terminal_info = NULL;
+ bdm_ppc_ops.to_kill = ocd_kill;
+ bdm_ppc_ops.to_load = ocd_load;
+ bdm_ppc_ops.to_lookup_symbol = NULL;
+ bdm_ppc_ops.to_create_inferior = ocd_create_inferior;
bdm_ppc_ops.to_post_startup_inferior = NULL;
bdm_ppc_ops.to_acknowledge_created_inferior = NULL;
- bdm_ppc_ops.to_clone_and_follow_inferior = NULL;
- bdm_ppc_ops.to_post_follow_inferior_by_clone = NULL;
+ bdm_ppc_ops.to_clone_and_follow_inferior = NULL;
+ bdm_ppc_ops.to_post_follow_inferior_by_clone = NULL;
bdm_ppc_ops.to_insert_fork_catchpoint = NULL;
bdm_ppc_ops.to_remove_fork_catchpoint = NULL;
bdm_ppc_ops.to_insert_vfork_catchpoint = NULL;
- bdm_ppc_ops.to_remove_vfork_catchpoint = NULL;
+ bdm_ppc_ops.to_remove_vfork_catchpoint = NULL;
bdm_ppc_ops.to_has_forked = NULL;
- bdm_ppc_ops.to_has_vforked = NULL;
- bdm_ppc_ops.to_can_follow_vfork_prior_to_exec = NULL;
+ bdm_ppc_ops.to_has_vforked = NULL;
+ bdm_ppc_ops.to_can_follow_vfork_prior_to_exec = NULL;
bdm_ppc_ops.to_post_follow_vfork = NULL;
bdm_ppc_ops.to_insert_exec_catchpoint = NULL;
bdm_ppc_ops.to_remove_exec_catchpoint = NULL;
bdm_ppc_ops.to_has_execd = NULL;
bdm_ppc_ops.to_reported_exec_events_per_exec_call = NULL;
bdm_ppc_ops.to_has_exited = NULL;
- bdm_ppc_ops.to_mourn_inferior = ocd_mourn;
- bdm_ppc_ops.to_can_run = 0;
- bdm_ppc_ops.to_notice_signals = 0;
- bdm_ppc_ops.to_thread_alive = ocd_thread_alive;
- bdm_ppc_ops.to_stop = ocd_stop;
+ bdm_ppc_ops.to_mourn_inferior = ocd_mourn;
+ bdm_ppc_ops.to_can_run = 0;
+ bdm_ppc_ops.to_notice_signals = 0;
+ bdm_ppc_ops.to_thread_alive = ocd_thread_alive;
+ bdm_ppc_ops.to_stop = ocd_stop;
bdm_ppc_ops.to_pid_to_exec_file = NULL;
- bdm_ppc_ops.to_core_file_to_sym_file = NULL;
- bdm_ppc_ops.to_stratum = process_stratum;
- bdm_ppc_ops.DONT_USE = NULL;
- bdm_ppc_ops.to_has_all_memory = 1;
- bdm_ppc_ops.to_has_memory = 1;
- bdm_ppc_ops.to_has_stack = 1;
- bdm_ppc_ops.to_has_registers = 1;
- bdm_ppc_ops.to_has_execution = 1;
- bdm_ppc_ops.to_sections = NULL;
- bdm_ppc_ops.to_sections_end = NULL;
- bdm_ppc_ops.to_magic = OPS_MAGIC ;
-} /* init_bdm_ppc_ops */
+ bdm_ppc_ops.to_core_file_to_sym_file = NULL;
+ bdm_ppc_ops.to_stratum = process_stratum;
+ bdm_ppc_ops.DONT_USE = NULL;
+ bdm_ppc_ops.to_has_all_memory = 1;
+ bdm_ppc_ops.to_has_memory = 1;
+ bdm_ppc_ops.to_has_stack = 1;
+ bdm_ppc_ops.to_has_registers = 1;
+ bdm_ppc_ops.to_has_execution = 1;
+ bdm_ppc_ops.to_sections = NULL;
+ bdm_ppc_ops.to_sections_end = NULL;
+ bdm_ppc_ops.to_magic = OPS_MAGIC;
+} /* init_bdm_ppc_ops */
void
_initialize_bdm_ppc ()
{
- init_bdm_ppc_ops() ;
+ init_bdm_ppc_ops ();
add_target (&bdm_ppc_ops);
}
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