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Diffstat (limited to 'gdb/m32r-rom.c')
| -rw-r--r-- | gdb/m32r-rom.c | 563 |
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); -} |