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authorStan Shebs <shebs@codesourcery.com>1999-04-16 01:34:07 +0000
committerStan Shebs <shebs@codesourcery.com>1999-04-16 01:34:07 +0000
commit071ea11e85eb9d529cc5eb3d35f6247466a21b99 (patch)
tree5deda65b8d7b04d1f4cbc534c3206d328e1267ec /gdb/m32r-rom.c
parent1730ec6b1848f0f32154277f788fb29f88d8475b (diff)
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Initial creation of sourceware repository
Diffstat (limited to 'gdb/m32r-rom.c')
-rw-r--r--gdb/m32r-rom.c563
1 files changed, 0 insertions, 563 deletions
diff --git a/gdb/m32r-rom.c b/gdb/m32r-rom.c
deleted file mode 100644
index 25280c2..0000000
--- a/gdb/m32r-rom.c
+++ /dev/null
@@ -1,563 +0,0 @@
-/* Remote debugging interface to m32r ROM monitor for GDB, the GNU debugger.
- Copyright 1996 Free Software Foundation, Inc.
-
- Adapted by Michael Snyder 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. */
-
-/* This module defines communication with the Mitsubishi m32r monitor */
-
-#include "defs.h"
-#include "gdbcore.h"
-#include "target.h"
-#include "monitor.h"
-#include "serial.h"
-#include "symtab.h"
-#include "command.h"
-#include "gdbcmd.h"
-#include "symfile.h" /* for generic load */
-#include <time.h> /* for time_t */
-#include "gdb_string.h"
-
-/*
- * All this stuff just to get my host computer's IP address!
- */
-#include <netdb.h> /* for hostent */
-#include <netinet/in.h> /* for struct in_addr */
-#if 1
-#include <arpa/inet.h> /* for inet_ntoa */
-#endif
-
-static char *board_addr; /* user-settable IP address for M32R-EVA */
-static char *server_addr; /* user-settable IP address for gdb host */
-static char *download_path; /* user-settable path for SREC files */
-
-
-/*
- * Function: m32r_load_1 (helper function)
- */
-
-static void
-m32r_load_section (abfd, s, data_count)
- bfd *abfd;
- asection *s;
- unsigned int *data_count;
-{
- if (s->flags & SEC_LOAD)
- {
- bfd_size_type section_size = bfd_section_size (abfd, s);
- bfd_vma section_base = bfd_section_vma (abfd, s);
- unsigned int buffer, i;
-
- *data_count += section_size;
-
- printf_filtered ("Loading section %s, size 0x%lx vma ",
- bfd_section_name (abfd, s), section_size);
- print_address_numeric (section_base, 1, gdb_stdout);
- printf_filtered ("\n");
- gdb_flush (gdb_stdout);
- monitor_printf ("%x mw\r" , section_base);
- for (i = 0; i < section_size; i += 4)
- {
- QUIT;
- monitor_expect (" -> ", NULL, 0);
- bfd_get_section_contents (abfd, s, (char *) &buffer, i, 4);
- monitor_printf ("%x\n", buffer);
- }
- monitor_expect (" -> ", NULL, 0);
- monitor_printf ("q\n");
- monitor_expect_prompt (NULL, 0);
- }
-}
-
-static int
-m32r_load_1 (dummy)
- void *dummy;
-{
- int data_count = 0;
-
- bfd_map_over_sections ((bfd *) dummy, m32r_load_section, &data_count);
- return data_count;
-}
-
-/*
- * Function: m32r_load (an alternate way to load)
- */
-
-static void
-m32r_load (filename, from_tty)
- char *filename;
- int from_tty;
-{
- extern int inferior_pid;
- bfd *abfd;
- asection *s;
- unsigned int i, data_count = 0;
- time_t start_time, end_time; /* for timing of download */
-
- if (filename == NULL || filename[0] == 0)
- filename = get_exec_file (1);
-
- abfd = bfd_openr (filename, 0);
- if (!abfd)
- error ("Unable to open file %s\n", filename);
- if (bfd_check_format (abfd, bfd_object) == 0)
- error ("File is not an object file\n");
- start_time = time (NULL);
-#if 0
- for (s = abfd->sections; s; s = s->next)
- if (s->flags & SEC_LOAD)
- {
- bfd_size_type section_size = bfd_section_size (abfd, s);
- bfd_vma section_base = bfd_section_vma (abfd, s);
- unsigned int buffer;
-
- data_count += section_size;
-
- printf_filtered ("Loading section %s, size 0x%lx vma ",
- bfd_section_name (abfd, s), section_size);
- print_address_numeric (section_base, 1, gdb_stdout);
- printf_filtered ("\n");
- gdb_flush (gdb_stdout);
- monitor_printf ("%x mw\r" , section_base);
- for (i = 0; i < section_size; i += 4)
- {
- monitor_expect (" -> ", NULL, 0);
- bfd_get_section_contents (abfd, s, (char *) &buffer, i, 4);
- monitor_printf ("%x\n", buffer);
- }
- monitor_expect (" -> ", NULL, 0);
- monitor_printf ("q\n");
- monitor_expect_prompt (NULL, 0);
- }
-#else
- if (!(catch_errors (m32r_load_1, abfd, "Load aborted!\n", RETURN_MASK_ALL)))
- {
- monitor_printf ("q\n");
- return;
- }
-#endif
- end_time = time (NULL);
- printf_filtered ("Start address 0x%lx\n", bfd_get_start_address (abfd));
- report_transfer_performance (data_count, start_time, end_time);
-
- /* Finally, make the PC point at the start address */
- if (exec_bfd)
- write_pc (bfd_get_start_address (exec_bfd));
-
- inferior_pid = 0; /* No process now */
-
- /* This is necessary because many things were based on the PC at the
- time that we attached to the monitor, which is no longer valid
- now that we have loaded new code (and just changed the PC).
- Another way to do this might be to call normal_stop, except that
- the stack may not be valid, and things would get horribly
- confused... */
-
- clear_symtab_users ();
-}
-
-static void
-m32r_load_gen (filename, from_tty)
- char *filename;
- int from_tty;
-{
- generic_load (filename, from_tty);
-}
-
-static void m32r_open PARAMS ((char *args, int from_tty));
-
-/* 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 *m32r_regnames[] =
-{ "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7",
- "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15",
- "psw", "cbr", "spi", "spu", "bpc", "pc", "accl", "acch",
-};
-
-static void
-m32r_supply_register (regname, regnamelen, val, vallen)
- char *regname;
- int regnamelen;
- char *val;
- int vallen;
-{
- int regno;
- int num_regs = sizeof(m32r_regnames) / sizeof(m32r_regnames[0]);
-
- for (regno = 0; regno < num_regs; regno++)
- if (strncmp(regname, m32r_regnames[regno], regnamelen) == 0)
- break;
-
- if (regno >= num_regs)
- return; /* no match */
-
- if (regno == ACCL_REGNUM)
- { /* special handling for 64-bit acc reg */
- monitor_supply_register (ACCH_REGNUM, val);
- if (val = (char *) strchr(val, ':')) /* skip past ':' to get 2nd word */
- monitor_supply_register (ACCL_REGNUM, val + 1);
- }
- else
- {
- monitor_supply_register (regno, val);
- if (regno == PSW_REGNUM)
- {
- unsigned long psw = strtoul (val, NULL, 16);
- char *zero = "00000000", *one = "00000001";
-
-#ifdef SM_REGNUM
- /* Stack mode bit */
- monitor_supply_register (SM_REGNUM, (psw & 0x80) ? one : zero);
-#endif
-#ifdef BSM_REGNUM
- /* Backup stack mode bit */
- monitor_supply_register (BSM_REGNUM, (psw & 0x8000) ? one : zero);
-#endif
-#ifdef IE_REGNUM
- /* Interrupt enable bit */
- monitor_supply_register (IE_REGNUM, (psw & 0x40) ? one : zero);
-#endif
-#ifdef BIE_REGNUM
- /* Backup interrupt enable bit */
- monitor_supply_register (BIE_REGNUM, (psw & 0x4000) ? one : zero);
-#endif
-#ifdef COND_REGNUM
- /* Condition bit (carry etc.) */
- monitor_supply_register (COND_REGNUM, (psw & 0x1) ? one : zero);
-#endif
-#ifdef CBR_REGNUM
- monitor_supply_register (CBR_REGNUM, (psw & 0x1) ? one : zero);
-#endif
-#ifdef BPC_REGNUM
- monitor_supply_register (BPC_REGNUM, zero); /* KLUDGE: (???????) */
-#endif
-#ifdef BCARRY_REGNUM
- monitor_supply_register (BCARRY_REGNUM, zero); /* KLUDGE: (??????) */
-#endif
- }
-
- if (regno == SPI_REGNUM || regno == SPU_REGNUM)
- { /* special handling for stack pointer (spu or spi) */
- unsigned long stackmode = read_register (PSW_REGNUM) & 0x80;
-
- if (regno == SPI_REGNUM && !stackmode) /* SP == SPI */
- monitor_supply_register (SP_REGNUM, val);
- else if (regno == SPU_REGNUM && stackmode) /* SP == SPU */
- monitor_supply_register (SP_REGNUM, val);
- }
- }
-}
-
-static struct target_ops m32r_ops;
-
-static char *m32r_inits[] = {"\r", NULL};
-
-static struct monitor_ops m32r_cmds =
-{
- MO_CLR_BREAK_USES_ADDR | MO_REGISTER_VALUE_FIRST,
- m32r_inits, /* Init strings */
- "go\r", /* continue command */
- "step\r", /* single step */
- NULL, /* interrupt command */
- "%x +bp\r", /* set a breakpoint */
- "%x -bp\r", /* clear a breakpoint */
- "bpoff\r", /* clear all breakpoints */
- "%x %x %x fill\r", /* fill (start length val) */
- {
- "%x 1 %x fill\r", /* setmem.cmdb (addr, value) */
- "%x 1 %x fillh\r", /* setmem.cmdw (addr, value) */
- "%x 1 %x fillw\r", /* setmem.cmdl (addr, value) */
- NULL, /* setmem.cmdll (addr, value) */
- NULL, /* setmem.resp_delim */
- NULL, /* setmem.term */
- NULL /* setmem.term_cmd */
- },
- {
- "%x %x dump\r", /* getmem.cmdb (addr, len) */
- NULL, /* getmem.cmdw (addr, len) */
- NULL, /* getmem.cmdl (addr, len) */
- NULL, /* getmem.cmdll (addr, len) */
- ": ", /* getmem.resp_delim */
- NULL, /* getmem.term */
- NULL /* getmem.term_cmd */
- },
- {
- "%x to %%%s\r", /* setreg.cmd (name, value) */
- NULL, /* setreg.resp_delim */
- NULL, /* setreg.term */
- NULL /* setreg.term_cmd */
- },
- {
- NULL, /* getreg.cmd (name) */
- NULL, /* getreg.resp_delim */
- NULL, /* getreg.term */
- NULL /* getreg.term_cmd */
- },
- ".reg\r", /* dump_registers */
- "\\(\\w+\\) += \\([0-9a-fA-F]+\\b\\)", /* register_pattern */
- m32r_supply_register, /* supply_register */
- NULL, /* load_routine (defaults to SRECs) */
- NULL, /* download command */
- NULL, /* load response */
- "ok ", /* monitor command prompt */
- "\r", /* end-of-line terminator */
- NULL, /* optional command terminator */
- &m32r_ops, /* target operations */
- SERIAL_1_STOPBITS, /* number of stop bits */
- m32r_regnames, /* registers names */
- MONITOR_OPS_MAGIC /* magic */
- };
-
-static void
-m32r_open(args, from_tty)
- char *args;
- int from_tty;
-{
- monitor_open (args, &m32r_cmds, from_tty);
-}
-
-/* Function: set_board_address
- Tell the BootOne monitor what it's ethernet IP address is. */
-
-static void
-m32r_set_board_address (args, from_tty)
- char *args;
- int from_tty;
-{
- int resp_len;
- char buf[1024];
-
- if (args && *args)
- {
- monitor_printf ("ulip %s\n", args);
- resp_len = monitor_expect_prompt (buf, sizeof(buf));
- /* now parse the result for success */
- }
- else
- error ("Requires argument (IP address for M32R-EVA board)");
-}
-
-/* Function: set_server_address
- Tell the BootOne monitor what gdb's ethernet IP address is. */
-
-static void
-m32r_set_server_address (args, from_tty)
- char *args;
- int from_tty;
-{
- int resp_len;
- char buf[1024];
-
- if (args && *args)
- {
- monitor_printf ("uhip %s\n", args);
- resp_len = monitor_expect_prompt (buf, sizeof(buf));
- /* now parse the result for success */
- }
- else
- error ("Requires argument (IP address of GDB's host computer)");
-}
-
-/* Function: set_download_path
- Tell the BootOne monitor the default path for downloadable SREC files. */
-
-static void
-m32r_set_download_path (args, from_tty)
- char *args;
- int from_tty;
-{
- int resp_len;
- char buf[1024];
-
- if (args && *args)
- {
- monitor_printf ("up %s\n", args);
- resp_len = monitor_expect_prompt (buf, sizeof(buf));
- /* now parse the result for success */
- }
- else
- error ("Requires argument (default path for downloadable SREC files)");
-}
-
-static void
-m32r_upload_command (args, from_tty)
- char *args;
- int from_tty;
-{
- bfd *abfd;
- asection *s;
- time_t start_time, end_time; /* for timing of download */
- extern int inferior_pid;
- int resp_len, data_count = 0;
- char buf[1024];
- struct hostent *hostent;
- struct in_addr inet_addr;
-
- /* first check to see if there's an ethernet port! */
- monitor_printf ("ust\r");
- resp_len = monitor_expect_prompt (buf, sizeof(buf));
- if (!strchr (buf, ':'))
- error ("No ethernet connection!");
-
- if (board_addr == 0)
- {
- /* scan second colon in the output from the "ust" command */
- char * myIPaddress = strchr (strchr (buf, ':') + 1, ':') + 1;
-
- while (isspace(*myIPaddress))
- myIPaddress++;
-
- if (!strncmp (myIPaddress, "0.0.", 4)) /* empty */
- error ("Please use 'set board-address' to set the M32R-EVA board's IP address.");
- if (strchr (myIPaddress, '('))
- *(strchr (myIPaddress, '(')) = '\0'; /* delete trailing junk */
- board_addr = strsave (myIPaddress);
- }
- if (server_addr == 0)
- {
- buf[0] = 0;
- gethostname (buf, sizeof(buf));
- if (buf[0] != 0)
- hostent = gethostbyname (buf);
- if (hostent != 0)
- {
-#if 1
- memcpy (&inet_addr.s_addr, hostent->h_addr,
- sizeof(inet_addr.s_addr));
- server_addr = (char *) inet_ntoa (inet_addr);
-#else
- server_addr = (char *) inet_ntoa (hostent->h_addr);
-#endif
- }
- if (server_addr == 0) /* failed? */
- error ("Need to know gdb host computer's IP address (use 'set server-address')");
- }
-
- if (args == 0 || args[0] == 0) /* no args: upload the current file */
- args = get_exec_file (1);
-
- if (args[0] != '/' && download_path == 0)
- if (current_directory)
- download_path = strsave (current_directory);
- else
- error ("Need to know default download path (use 'set download-path')");
-
- start_time = time (NULL);
- monitor_printf ("uhip %s\r", server_addr);
- resp_len = monitor_expect_prompt (buf, sizeof(buf)); /* parse result? */
- monitor_printf ("ulip %s\r", board_addr);
- resp_len = monitor_expect_prompt (buf, sizeof(buf)); /* parse result? */
- if (args[0] != '/')
- monitor_printf ("up %s\r", download_path); /* use default path */
- else
- monitor_printf ("up\r"); /* rooted filename/path */
- resp_len = monitor_expect_prompt (buf, sizeof(buf)); /* parse result? */
-
- if (strrchr (args, '.') && !strcmp (strrchr (args, '.'), ".srec"))
- monitor_printf ("ul %s\r", args);
- else /* add ".srec" suffix */
- monitor_printf ("ul %s.srec\r", args);
- resp_len = monitor_expect_prompt (buf, sizeof(buf)); /* parse result? */
-
- if (buf[0] == 0 || strstr(buf, "complete") == 0)
- error("Upload file not found: %s.srec\nCheck IP addresses and download path.", args);
- else
- printf_filtered (" -- Ethernet load complete.\n");
-
- end_time = time (NULL);
- if (abfd = bfd_openr (args, 0))
- { /* Download is done -- print section statistics */
- if (bfd_check_format (abfd, bfd_object) == 0)
- {
- printf_filtered ("File is not an object file\n");
- }
- for (s = abfd->sections; s; s = s->next)
- if (s->flags & SEC_LOAD)
- {
- bfd_size_type section_size = bfd_section_size (abfd, s);
- bfd_vma section_base = bfd_section_vma (abfd, s);
- unsigned int buffer;
-
- data_count += section_size;
-
- printf_filtered ("Loading section %s, size 0x%lx vma ",
- bfd_section_name (abfd, s), section_size);
- print_address_numeric (section_base, 1, gdb_stdout);
- printf_filtered ("\n");
- gdb_flush (gdb_stdout);
- }
- /* Finally, make the PC point at the start address */
- write_pc (bfd_get_start_address (abfd));
- report_transfer_performance (data_count, start_time, end_time);
- printf_filtered ("Start address 0x%lx\n", bfd_get_start_address (abfd));
- }
- inferior_pid = 0; /* No process now */
-
- /* This is necessary because many things were based on the PC at the
- time that we attached to the monitor, which is no longer valid
- now that we have loaded new code (and just changed the PC).
- Another way to do this might be to call normal_stop, except that
- the stack may not be valid, and things would get horribly
- confused... */
-
- clear_symtab_users ();
-}
-
-void
-_initialize_m32r_rom ()
-{
- init_monitor_ops (&m32r_ops);
-
- m32r_ops.to_shortname = "m32r";
- m32r_ops.to_longname = "m32r monitor";
- m32r_ops.to_load = m32r_load_gen; /* monitor lacks a download command */
- m32r_ops.to_doc = "Debug via the m32r monitor.\n\
-Specify the serial device it is connected to (e.g. /dev/ttya).";
- m32r_ops.to_open = m32r_open;
-
- add_show_from_set
- (add_set_cmd ("download-path", class_obscure, var_string,
- (char *) &download_path,
- "Set the default path for downloadable SREC files.",
- &setlist),
- &showlist);
-
- add_show_from_set
- (add_set_cmd ("board-address", class_obscure, var_string,
- (char *) &board_addr,
- "Set IP address for M32R-EVA target board.",
- &setlist),
- &showlist);
-
- add_show_from_set
- (add_set_cmd ("server-address", class_obscure, var_string,
- (char *) &server_addr,
- "Set IP address for download server (GDB's host computer).",
- &setlist),
- &showlist);
-
- add_com ("upload", class_obscure, m32r_upload_command,
- "Upload the srec file via the monitor's Ethernet upload capability.");
-
- add_com ("tload", class_obscure, m32r_load, "test upload command.");
-
- add_target (&m32r_ops);
-}