/* Remote target glue for the SPARC Sparclet ROM monitor.
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/* Remote target glue for the SPARC Sparclet ROM monitor.
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Copyright 1995, 1996 Free Software Foundation, Inc.
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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 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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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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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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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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(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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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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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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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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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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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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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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Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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Boston, MA 02111-1307, USA. */
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#include "defs.h"
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#include "defs.h"
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#include "gdbcore.h"
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#include "gdbcore.h"
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#include "target.h"
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#include "target.h"
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#include "monitor.h"
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#include "monitor.h"
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#include "serial.h"
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#include "serial.h"
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#include "srec.h"
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#include "srec.h"
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#include "symtab.h"
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#include "symtab.h"
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#include "symfile.h" /* for generic_load */
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#include "symfile.h" /* for generic_load */
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#include <time.h>
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#include <time.h>
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extern void report_transfer_performance PARAMS ((unsigned long, time_t, time_t));
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extern void report_transfer_performance PARAMS ((unsigned long, time_t, time_t));
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static struct target_ops sparclet_ops;
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static struct target_ops sparclet_ops;
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static void sparclet_open PARAMS ((char *args, int from_tty));
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static void sparclet_open PARAMS ((char *args, int from_tty));
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/* This array of registers need to match the indexes used by GDB.
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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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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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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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either. So, typing "info reg sp" becomes a "r30". */
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/*PSR 0x00000080 impl ver icc AW LE EE EC EF PIL S PS ET CWP WIM
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/*PSR 0x00000080 impl ver icc AW LE EE EC EF PIL S PS ET CWP WIM
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0x0 0x0 0x0 0 0 0 0 0 0x0 1 0 0 0x00 0x2
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0x0 0x0 0x0 0 0 0 0 0 0x0 1 0 0 0x00 0x2
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0000010
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0000010
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INS LOCALS OUTS GLOBALS
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INS LOCALS OUTS GLOBALS
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0 0x00000000 0x00000000 0x00000000 0x00000000
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0 0x00000000 0x00000000 0x00000000 0x00000000
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1 0x00000000 0x00000000 0x00000000 0x00000000
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1 0x00000000 0x00000000 0x00000000 0x00000000
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2 0x00000000 0x00000000 0x00000000 0x00000000
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2 0x00000000 0x00000000 0x00000000 0x00000000
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3 0x00000000 0x00000000 0x00000000 0x00000000
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3 0x00000000 0x00000000 0x00000000 0x00000000
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4 0x00000000 0x00000000 0x00000000 0x00000000
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4 0x00000000 0x00000000 0x00000000 0x00000000
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5 0x00000000 0x00001000 0x00000000 0x00000000
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5 0x00000000 0x00001000 0x00000000 0x00000000
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6 0x00000000 0x00000000 0x123f0000 0x00000000
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6 0x00000000 0x00000000 0x123f0000 0x00000000
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7 0x00000000 0x00000000 0x00000000 0x00000000
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7 0x00000000 0x00000000 0x00000000 0x00000000
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pc: 0x12010000 0x00000000 unimp
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pc: 0x12010000 0x00000000 unimp
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npc: 0x12010004 0x00001000 unimp 0x1000
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npc: 0x12010004 0x00001000 unimp 0x1000
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tbr: 0x00000000
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tbr: 0x00000000
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y: 0x00000000
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y: 0x00000000
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*/
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*/
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/* these correspond to the offsets from tm-* files from config directories */
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/* these correspond to the offsets from tm-* files from config directories */
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/* is wim part of psr?? */
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/* is wim part of psr?? */
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/* monitor wants lower case */
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/* monitor wants lower case */
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static char *sparclet_regnames[NUM_REGS] = REGISTER_NAMES;
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static char *sparclet_regnames[NUM_REGS] = REGISTER_NAMES;
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/* Function: sparclet_supply_register
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/* Function: sparclet_supply_register
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Just returns with no action.
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Just returns with no action.
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This function is required, because parse_register_dump (monitor.c)
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This function is required, because parse_register_dump (monitor.c)
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expects to be able to call it. If we don't supply something, it will
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expects to be able to call it. If we don't supply something, it will
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call a null pointer and core-dump. Since this function does not
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call a null pointer and core-dump. Since this function does not
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actually do anything, GDB will request the registers individually. */
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actually do anything, GDB will request the registers individually. */
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static void
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static void
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sparclet_supply_register (regname, regnamelen, val, vallen)
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sparclet_supply_register (regname, regnamelen, val, vallen)
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char *regname;
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char *regname;
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int regnamelen;
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int regnamelen;
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char *val;
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char *val;
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int vallen;
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int vallen;
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{
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{
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return;
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return;
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}
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}
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static void
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static void
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sparclet_load (desc, file, hashmark)
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sparclet_load (desc, file, hashmark)
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serial_t desc;
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serial_t desc;
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char *file;
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char *file;
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int hashmark;
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int hashmark;
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{
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{
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bfd *abfd;
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bfd *abfd;
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asection *s;
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asection *s;
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int i;
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int i;
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CORE_ADDR load_offset;
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CORE_ADDR load_offset;
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time_t start_time, end_time;
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time_t start_time, end_time;
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unsigned long data_count = 0;
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unsigned long data_count = 0;
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/* enable user to specify address for downloading as 2nd arg to load */
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/* enable user to specify address for downloading as 2nd arg to load */
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i = sscanf (file, "%*s 0x%lx", &load_offset);
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i = sscanf (file, "%*s 0x%lx", &load_offset);
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if (i >= 1)
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if (i >= 1)
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{
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{
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char *p;
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char *p;
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for (p = file; *p != '\000' && !isspace (*p); p++);
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for (p = file; *p != '\000' && !isspace (*p); p++);
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*p = '\000';
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*p = '\000';
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}
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}
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else
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else
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load_offset = 0;
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load_offset = 0;
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abfd = bfd_openr (file, 0);
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abfd = bfd_openr (file, 0);
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if (!abfd)
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if (!abfd)
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{
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{
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printf_filtered ("Unable to open file %s\n", file);
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printf_filtered ("Unable to open file %s\n", file);
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return;
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return;
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}
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}
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if (bfd_check_format (abfd, bfd_object) == 0)
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if (bfd_check_format (abfd, bfd_object) == 0)
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{
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{
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printf_filtered ("File is not an object file\n");
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printf_filtered ("File is not an object file\n");
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return;
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return;
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}
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}
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start_time = time (NULL);
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start_time = time (NULL);
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for (s = abfd->sections; s; s = s->next)
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for (s = abfd->sections; s; s = s->next)
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if (s->flags & SEC_LOAD)
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if (s->flags & SEC_LOAD)
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{
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{
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bfd_size_type section_size;
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bfd_size_type section_size;
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bfd_vma vma;
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bfd_vma vma;
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vma = bfd_get_section_vma (abfd, s) + load_offset;
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vma = bfd_get_section_vma (abfd, s) + load_offset;
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section_size = bfd_section_size (abfd, s);
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section_size = bfd_section_size (abfd, s);
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data_count += section_size;
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data_count += section_size;
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printf_filtered ("%s\t: 0x%4x .. 0x%4x ",
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printf_filtered ("%s\t: 0x%4x .. 0x%4x ",
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bfd_get_section_name (abfd, s), vma,
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bfd_get_section_name (abfd, s), vma,
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vma + section_size);
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vma + section_size);
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gdb_flush (gdb_stdout);
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gdb_flush (gdb_stdout);
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monitor_printf ("load c r %x %x\r", vma, section_size);
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monitor_printf ("load c r %x %x\r", vma, section_size);
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monitor_expect ("load: loading ", NULL, 0);
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monitor_expect ("load: loading ", NULL, 0);
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monitor_expect ("\r", NULL, 0);
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monitor_expect ("\r", NULL, 0);
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for (i = 0; i < section_size; i += 2048)
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for (i = 0; i < section_size; i += 2048)
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{
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{
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int numbytes;
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int numbytes;
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char buf[2048];
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char buf[2048];
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numbytes = min (sizeof buf, section_size - i);
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numbytes = min (sizeof buf, section_size - i);
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bfd_get_section_contents (abfd, s, buf, i, numbytes);
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bfd_get_section_contents (abfd, s, buf, i, numbytes);
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SERIAL_WRITE (desc, buf, numbytes);
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SERIAL_WRITE (desc, buf, numbytes);
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if (hashmark)
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if (hashmark)
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{
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{
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putchar_unfiltered ('#');
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putchar_unfiltered ('#');
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gdb_flush (gdb_stdout);
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gdb_flush (gdb_stdout);
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}
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}
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} /* Per-packet (or S-record) loop */
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} /* Per-packet (or S-record) loop */
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monitor_expect_prompt (NULL, 0);
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monitor_expect_prompt (NULL, 0);
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putchar_unfiltered ('\n');
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putchar_unfiltered ('\n');
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} /* Loadable sections */
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} /* Loadable sections */
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monitor_printf ("reg pc %x\r", bfd_get_start_address (abfd));
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monitor_printf ("reg pc %x\r", bfd_get_start_address (abfd));
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monitor_expect_prompt (NULL, 0);
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monitor_expect_prompt (NULL, 0);
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monitor_printf ("reg npc %x\r", bfd_get_start_address (abfd) + 4);
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monitor_printf ("reg npc %x\r", bfd_get_start_address (abfd) + 4);
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monitor_expect_prompt (NULL, 0);
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monitor_expect_prompt (NULL, 0);
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monitor_printf ("run\r");
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monitor_printf ("run\r");
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end_time = time (NULL);
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end_time = time (NULL);
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if (hashmark)
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if (hashmark)
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putchar_unfiltered ('\n');
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putchar_unfiltered ('\n');
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report_transfer_performance (data_count, start_time, end_time);
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report_transfer_performance (data_count, start_time, end_time);
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pop_target ();
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pop_target ();
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push_remote_target (monitor_get_dev_name (), 1);
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push_remote_target (monitor_get_dev_name (), 1);
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return_to_top_level (RETURN_QUIT);
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return_to_top_level (RETURN_QUIT);
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}
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}
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/* Define the monitor command strings. Since these are passed directly
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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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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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strings. We also need a CR or LF on the end. */
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/* need to pause the monitor for timing reasons, so slow it down */
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/* need to pause the monitor for timing reasons, so slow it down */
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static char *sparclet_inits[] =
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static char *sparclet_inits[] =
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{"\n\r\r\n", NULL};
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{"\n\r\r\n", NULL};
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static struct monitor_ops sparclet_cmds;
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static struct monitor_ops sparclet_cmds;
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static void
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static void
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init_sparclet_cmds (void)
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init_sparclet_cmds (void)
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{
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{
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sparclet_cmds.flags = MO_CLR_BREAK_USES_ADDR |
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sparclet_cmds.flags = MO_CLR_BREAK_USES_ADDR |
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MO_HEX_PREFIX |
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MO_HEX_PREFIX |
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MO_NO_ECHO_ON_OPEN |
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MO_NO_ECHO_ON_OPEN |
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MO_NO_ECHO_ON_SETMEM |
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MO_NO_ECHO_ON_SETMEM |
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MO_RUN_FIRST_TIME |
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MO_RUN_FIRST_TIME |
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MO_GETMEM_READ_SINGLE; /* flags */
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MO_GETMEM_READ_SINGLE; /* flags */
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sparclet_cmds.init = sparclet_inits; /* Init strings */
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sparclet_cmds.init = sparclet_inits; /* Init strings */
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sparclet_cmds.cont = "cont\r"; /* continue command */
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sparclet_cmds.cont = "cont\r"; /* continue command */
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sparclet_cmds.step = "step\r"; /* single step */
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sparclet_cmds.step = "step\r"; /* single step */
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sparclet_cmds.stop = "\r"; /* break interrupts the program */
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sparclet_cmds.stop = "\r"; /* break interrupts the program */
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sparclet_cmds.set_break = "+bp %x\r"; /* set a breakpoint */
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sparclet_cmds.set_break = "+bp %x\r"; /* set a breakpoint */
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sparclet_cmds.clr_break = "-bp %x\r"; /* can't use "br" because only 2 hw bps are supported */
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sparclet_cmds.clr_break = "-bp %x\r"; /* can't use "br" because only 2 hw bps are supported */
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sparclet_cmds.clr_all_break = "-bp %x\r"; /* clear a breakpoint */
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sparclet_cmds.clr_all_break = "-bp %x\r"; /* clear a breakpoint */
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"-bp\r"; /* clear all breakpoints */
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"-bp\r"; /* clear all breakpoints */
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sparclet_cmds.fill = "fill %x -n %x -v %x -b\r"; /* fill (start length val) */
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sparclet_cmds.fill = "fill %x -n %x -v %x -b\r"; /* fill (start length val) */
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/* can't use "fi" because it takes words, not bytes */
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/* can't use "fi" because it takes words, not bytes */
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/* ex [addr] [-n count] [-b|-s|-l] default: ex cur -n 1 -b */
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/* ex [addr] [-n count] [-b|-s|-l] default: ex cur -n 1 -b */
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sparclet_cmds.setmem.cmdb = "ex %x -b\r%x\rq\r"; /* setmem.cmdb (addr, value) */
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sparclet_cmds.setmem.cmdb = "ex %x -b\r%x\rq\r"; /* setmem.cmdb (addr, value) */
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sparclet_cmds.setmem.cmdw = "ex %x -s\r%x\rq\r"; /* setmem.cmdw (addr, value) */
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sparclet_cmds.setmem.cmdw = "ex %x -s\r%x\rq\r"; /* setmem.cmdw (addr, value) */
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sparclet_cmds.setmem.cmdl = "ex %x -l\r%x\rq\r"; /* setmem.cmdl (addr, value) */
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sparclet_cmds.setmem.cmdl = "ex %x -l\r%x\rq\r"; /* setmem.cmdl (addr, value) */
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sparclet_cmds.setmem.cmdll = NULL; /* setmem.cmdll (addr, value) */
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sparclet_cmds.setmem.cmdll = NULL; /* setmem.cmdll (addr, value) */
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sparclet_cmds.setmem.resp_delim = NULL; /*": " *//* setmem.resp_delim */
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sparclet_cmds.setmem.resp_delim = NULL; /*": " *//* setmem.resp_delim */
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sparclet_cmds.setmem.term = NULL; /*"? " *//* setmem.term */
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sparclet_cmds.setmem.term = NULL; /*"? " *//* setmem.term */
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sparclet_cmds.setmem.term_cmd = NULL; /*"q\r" *//* setmem.term_cmd */
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sparclet_cmds.setmem.term_cmd = NULL; /*"q\r" *//* setmem.term_cmd */
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/* since the parsing of multiple bytes is difficult due to
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/* since the parsing of multiple bytes is difficult due to
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interspersed addresses, we'll only read 1 value at a time,
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interspersed addresses, we'll only read 1 value at a time,
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even tho these can handle a count */
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even tho these can handle a count */
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/* we can use -n to set count to read, but may have to parse? */
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/* we can use -n to set count to read, but may have to parse? */
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sparclet_cmds.getmem.cmdb = "ex %x -n 1 -b\r"; /* getmem.cmdb (addr, #bytes) */
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sparclet_cmds.getmem.cmdb = "ex %x -n 1 -b\r"; /* getmem.cmdb (addr, #bytes) */
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sparclet_cmds.getmem.cmdw = "ex %x -n 1 -s\r"; /* getmem.cmdw (addr, #swords) */
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sparclet_cmds.getmem.cmdw = "ex %x -n 1 -s\r"; /* getmem.cmdw (addr, #swords) */
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sparclet_cmds.getmem.cmdl = "ex %x -n 1 -l\r"; /* getmem.cmdl (addr, #words) */
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sparclet_cmds.getmem.cmdl = "ex %x -n 1 -l\r"; /* getmem.cmdl (addr, #words) */
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sparclet_cmds.getmem.cmdll = NULL; /* getmem.cmdll (addr, #dwords) */
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sparclet_cmds.getmem.cmdll = NULL; /* getmem.cmdll (addr, #dwords) */
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sparclet_cmds.getmem.resp_delim = ": "; /* getmem.resp_delim */
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sparclet_cmds.getmem.resp_delim = ": "; /* getmem.resp_delim */
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sparclet_cmds.getmem.term = NULL; /* getmem.term */
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sparclet_cmds.getmem.term = NULL; /* getmem.term */
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sparclet_cmds.getmem.term_cmd = NULL; /* getmem.term_cmd */
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sparclet_cmds.getmem.term_cmd = NULL; /* getmem.term_cmd */
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sparclet_cmds.setreg.cmd = "reg %s 0x%x\r"; /* setreg.cmd (name, value) */
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sparclet_cmds.setreg.cmd = "reg %s 0x%x\r"; /* setreg.cmd (name, value) */
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sparclet_cmds.setreg.resp_delim = NULL; /* setreg.resp_delim */
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sparclet_cmds.setreg.resp_delim = NULL; /* setreg.resp_delim */
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sparclet_cmds.setreg.term = NULL; /* setreg.term */
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sparclet_cmds.setreg.term = NULL; /* setreg.term */
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sparclet_cmds.setreg.term_cmd = NULL; /* setreg.term_cmd */
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sparclet_cmds.setreg.term_cmd = NULL; /* setreg.term_cmd */
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sparclet_cmds.getreg.cmd = "reg %s\r"; /* getreg.cmd (name) */
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sparclet_cmds.getreg.cmd = "reg %s\r"; /* getreg.cmd (name) */
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sparclet_cmds.getreg.resp_delim = " "; /* getreg.resp_delim */
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sparclet_cmds.getreg.resp_delim = " "; /* getreg.resp_delim */
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sparclet_cmds.getreg.term = NULL; /* getreg.term */
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sparclet_cmds.getreg.term = NULL; /* getreg.term */
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sparclet_cmds.getreg.term_cmd = NULL; /* getreg.term_cmd */
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sparclet_cmds.getreg.term_cmd = NULL; /* getreg.term_cmd */
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sparclet_cmds.dump_registers = "reg\r"; /* dump_registers */
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sparclet_cmds.dump_registers = "reg\r"; /* dump_registers */
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sparclet_cmds.register_pattern = "\\(\\w+\\)=\\([0-9a-fA-F]+\\)"; /* register_pattern */
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sparclet_cmds.register_pattern = "\\(\\w+\\)=\\([0-9a-fA-F]+\\)"; /* register_pattern */
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sparclet_cmds.supply_register = sparclet_supply_register; /* supply_register */
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sparclet_cmds.supply_register = sparclet_supply_register; /* supply_register */
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sparclet_cmds.load_routine = sparclet_load; /* load_routine */
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sparclet_cmds.load_routine = sparclet_load; /* load_routine */
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sparclet_cmds.load = NULL; /* download command (srecs on console) */
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sparclet_cmds.load = NULL; /* download command (srecs on console) */
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sparclet_cmds.loadresp = NULL; /* load response */
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sparclet_cmds.loadresp = NULL; /* load response */
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sparclet_cmds.prompt = "monitor>"; /* monitor command prompt */
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sparclet_cmds.prompt = "monitor>"; /* monitor command prompt */
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/* yikes! gdb core dumps without this delimitor!! */
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/* yikes! gdb core dumps without this delimitor!! */
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sparclet_cmds.line_term = "\r"; /* end-of-command delimitor */
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sparclet_cmds.line_term = "\r"; /* end-of-command delimitor */
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sparclet_cmds.cmd_end = NULL; /* optional command terminator */
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sparclet_cmds.cmd_end = NULL; /* optional command terminator */
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sparclet_cmds.target = &sparclet_ops; /* target operations */
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sparclet_cmds.target = &sparclet_ops; /* target operations */
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sparclet_cmds.stopbits = SERIAL_1_STOPBITS; /* number of stop bits */
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sparclet_cmds.stopbits = SERIAL_1_STOPBITS; /* number of stop bits */
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sparclet_cmds.regnames = sparclet_regnames; /* registers names */
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sparclet_cmds.regnames = sparclet_regnames; /* registers names */
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sparclet_cmds.magic = MONITOR_OPS_MAGIC; /* magic */
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sparclet_cmds.magic = MONITOR_OPS_MAGIC; /* magic */
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};
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};
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|
|
static void
|
static void
|
sparclet_open (args, from_tty)
|
sparclet_open (args, from_tty)
|
char *args;
|
char *args;
|
int from_tty;
|
int from_tty;
|
{
|
{
|
monitor_open (args, &sparclet_cmds, from_tty);
|
monitor_open (args, &sparclet_cmds, from_tty);
|
}
|
}
|
|
|
void
|
void
|
_initialize_sparclet ()
|
_initialize_sparclet ()
|
{
|
{
|
int i;
|
int i;
|
init_sparclet_cmds ();
|
init_sparclet_cmds ();
|
|
|
for (i = 0; i < NUM_REGS; i++)
|
for (i = 0; i < NUM_REGS; i++)
|
if (sparclet_regnames[i][0] == 'c' ||
|
if (sparclet_regnames[i][0] == 'c' ||
|
sparclet_regnames[i][0] == 'a')
|
sparclet_regnames[i][0] == 'a')
|
sparclet_regnames[i] = 0; /* mon can't report c* or a* regs */
|
sparclet_regnames[i] = 0; /* mon can't report c* or a* regs */
|
|
|
sparclet_regnames[0] = 0; /* mon won't report %G0 */
|
sparclet_regnames[0] = 0; /* mon won't report %G0 */
|
|
|
init_monitor_ops (&sparclet_ops);
|
init_monitor_ops (&sparclet_ops);
|
sparclet_ops.to_shortname = "sparclet"; /* for the target command */
|
sparclet_ops.to_shortname = "sparclet"; /* for the target command */
|
sparclet_ops.to_longname = "SPARC Sparclet monitor";
|
sparclet_ops.to_longname = "SPARC Sparclet monitor";
|
/* use SW breaks; target only supports 2 HW breakpoints */
|
/* use SW breaks; target only supports 2 HW breakpoints */
|
sparclet_ops.to_insert_breakpoint = memory_insert_breakpoint;
|
sparclet_ops.to_insert_breakpoint = memory_insert_breakpoint;
|
sparclet_ops.to_remove_breakpoint = memory_remove_breakpoint;
|
sparclet_ops.to_remove_breakpoint = memory_remove_breakpoint;
|
|
|
sparclet_ops.to_doc =
|
sparclet_ops.to_doc =
|
"Use a board running the Sparclet debug monitor.\n\
|
"Use a board running the Sparclet debug monitor.\n\
|
Specify the serial device it is connected to (e.g. /dev/ttya).";
|
Specify the serial device it is connected to (e.g. /dev/ttya).";
|
|
|
sparclet_ops.to_open = sparclet_open;
|
sparclet_ops.to_open = sparclet_open;
|
add_target (&sparclet_ops);
|
add_target (&sparclet_ops);
|
}
|
}
|
|
|
