diff options
Diffstat (limited to 'contrib/gdb/gdb/mon960-rom.c')
| -rw-r--r-- | contrib/gdb/gdb/mon960-rom.c | 224 |
1 files changed, 109 insertions, 115 deletions
diff --git a/contrib/gdb/gdb/mon960-rom.c b/contrib/gdb/gdb/mon960-rom.c index 5a79923..32dcaff 100644 --- a/contrib/gdb/gdb/mon960-rom.c +++ b/contrib/gdb/gdb/mon960-rom.c @@ -1,4 +1,4 @@ -/* Remote target glue for the Intel 960 ROM monitor. +/* Remote target glue for the Intel 960 MON960 ROM monitor. Copyright 1995, 1996 Free Software Foundation, Inc. This file is part of GDB. @@ -25,39 +25,25 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #include "serial.h" #include "srec.h" #include "xmodem.h" +#include "symtab.h" +#include "symfile.h" /* for generic_load */ -#if !defined (HAVE_TERMIOS) && !defined (HAVE_TERMIO) && !defined (HAVE_SGTTY) -#define HAVE_SGTTY -#endif - -#ifdef HAVE_SGTTY -#include <sys/ioctl.h> -#endif - -#include <sys/types.h> /* Needed by file.h on Sys V */ -#include <sys/file.h> -#include <signal.h> -#include <sys/stat.h> #define USE_GENERIC_LOAD -int quiet = 0; /* 1 => stifle unnecessary messages */ -serial_t mon960_serial; -char *mon960_ttyname; /* name of tty to talk to mon960 on, or null */ -static struct monitor_ops mon960_cmds; +static struct target_ops mon960_ops; -#ifdef USE_GENERIC_LOAD -extern void generic_load PARAMS ((char* filename, int from_tty)); -#endif static void mon960_open PARAMS ((char *args, int from_tty)); #ifdef USE_GENERIC_LOAD + static void mon960_load_gen (filename, from_tty) char *filename; int from_tty; { extern int inferior_pid; + generic_load (filename, from_tty); /* Finally, make the PC point at the start address */ if (exec_bfd) @@ -67,6 +53,7 @@ mon960_load_gen (filename, from_tty) } #else + static void mon960_load (desc, file, hashmark) serial_t desc; @@ -97,9 +84,9 @@ mon960_load (desc, file, hashmark) printf_filtered ("%s\t: 0x%4x .. 0x%4x ", s->name, s->vma, s->vma + s->_raw_size); gdb_flush (gdb_stdout); - monitor_printf (mon960_cmds.load, s->vma); - if (mon960_cmds.loadresp) - monitor_expect (mon960_cmds.loadresp, NULL, 0); + monitor_printf (current_monitor->load, s->vma); + if (current_monitor->loadresp) + monitor_expect (current_monitor->loadresp, NULL, 0); xmodem_init_xfer (desc); section_size = bfd_section_size (abfd, s); for (i = 0; i < section_size; i += XMODEM_DATASIZE) @@ -122,7 +109,8 @@ mon960_load (desc, file, hashmark) if (hashmark) putchar_unfiltered ('\n'); } -#endif + +#endif /* USE_GENERIC_LOAD */ /* This array of registers need to match the indexes used by GDB. This exists because the various ROM monitors use different strings @@ -133,126 +121,133 @@ mon960_load (desc, file, hashmark) /* g0-g14, fp, pfp, sp, rip,r3-15, pc, ac, tc, fp0-3 */ /* NOTE: "ip" is documented as "ir" in the Mon960 UG. */ /* NOTE: "ir" can't be accessed... but there's an ip and rip. */ -static char *mon960_regnames[NUM_REGS] = { - /* 0 */ "pfp", "sp", "rip", "r3", "r4", "r5", "r6", "r7", \ - /* 8 */ "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15",\ - /* 16 */ "g0", "g1", "g2", "g3", "g4", "g5", "g6", "g7", \ - /* 24 */ "g8", "g9", "g10", "g11", "g12", "g13", "g14", "fp", \ - /* 32 */ "pc", "ac", "tc", "ip", "fp0", "fp1", "fp2", "fp3",\ +static char *full_regnames[NUM_REGS] = { + /* 0 */ "pfp", "sp", "rip", "r3", "r4", "r5", "r6", "r7", + /* 8 */ "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15", + /* 16 */ "g0", "g1", "g2", "g3", "g4", "g5", "g6", "g7", + /* 24 */ "g8", "g9", "g10", "g11", "g12", "g13", "g14", "fp", + /* 32 */ "pc", "ac", "tc", "ip", "fp0", "fp1", "fp2", "fp3", }; +static char *mon960_regnames[NUM_REGS]; + /* Define the monitor command strings. Since these are passed directly through to a printf style function, we may include formatting strings. We also need a CR or LF on the end. */ -static struct target_ops mon960_ops; - /* need to pause the monitor for timing reasons, so slow it down */ -static char *mon960_inits[] = {"\n\r\r\r\r\r\r\r\r\r\r\r\r\r\r\n\r\n\r\n", NULL}; /* Exits sub-command mode & download cmds */ -static struct monitor_ops mon960_cmds = +#if 0 +/* FIXME: this extremely long init string causes MON960 to return two NAKS + instead of performing the autobaud recognition, at least when gdb + is running on GNU/Linux. The short string below works on Linux, and on + SunOS using a tcp serial connection. Must retest on SunOS using a + direct serial connection; if that works, get rid of the long string. */ +static char *mon960_inits[] = {"\n\r\r\r\r\r\r\r\r\r\r\r\r\r\r\n\r\n\r\n", NULL}; +#else +static char *mon960_inits[] = { "\r", NULL}; +#endif + +static struct monitor_ops mon960_cmds ; + +static void +init_mon960_cmds (void) { - MO_CLR_BREAK_USES_ADDR - | MO_NO_ECHO_ON_OPEN - | MO_SEND_BREAK_ON_STOP - | MO_GETMEM_READ_SINGLE, /* flags */ - mon960_inits, /* Init strings */ - "go\n\r", /* continue command */ - "st\n\r", /* single step */ - "\n\r", /* break interrupts the program */ - NULL, /* set a breakpoint */ - /* can't use "br" because only 2 hw bps are supported */ - NULL, /* clear a breakpoint - "de" is for hw bps */ + mon960_cmds.flags = MO_CLR_BREAK_USES_ADDR + | MO_NO_ECHO_ON_OPEN | MO_SEND_BREAK_ON_STOP | MO_GETMEM_READ_SINGLE ; /* flags */ + mon960_cmds.init = mon960_inits; /* Init strings */ + mon960_cmds.cont = "go\n\r"; /* continue command */ + mon960_cmds.step = "st\n\r"; /* single step */ + mon960_cmds.stop = NULL; /* break interrupts the program */ + mon960_cmds.set_break = NULL; /* set a breakpoint */ + mon960_cmds.clr_break = /* can't use "br" because only 2 hw bps are supported */ + mon960_cmds.clr_all_break = NULL; /* clear a breakpoint - "de" is for hw bps */ NULL, /* clear all breakpoints */ - NULL, /* fill (start end val) */ - /* can't use "fi" because it takes words, not bytes */ - { - /* can't use "mb", "md" or "mo" because they require interaction */ - NULL, /* setmem.cmdb (addr, value) */ - "md %x %x\n\r", /* setmem.cmdw (addr, value) */ - NULL, /* setmem.cmdl (addr, value) */ - NULL, /* setmem.cmdll (addr, value) */ - NULL, /* setmem.resp_delim */ - NULL, /* setmem.term */ - NULL, /* setmem.term_cmd */ - }, - { - /* since the parsing of multiple bytes is difficult due to - interspersed addresses, we'll only read 1 value at a time, - even tho these can handle a count */ - "db %x\n\r", /* getmem.cmdb (addr, #bytes) */ - "ds %x\n\r", /* getmem.cmdw (addr, #swords) */ - "di %x\n\r", /* getmem.cmdl (addr, #words) */ - "dd %x\n\r", /* getmem.cmdll (addr, #dwords) */ - " : ", /* getmem.resp_delim */ - NULL, /* getmem.term */ - NULL, /* getmem.term_cmd */ - }, - { - "md %s %x\n\r", /* setreg.cmd (name, value) */ - NULL, /* setreg.resp_delim */ - NULL, /* setreg.term */ - NULL /* setreg.term_cmd */ - }, - { - "di %s\n\r", /* getreg.cmd (name) */ - " : ", /* getreg.resp_delim */ - NULL, /* getreg.term */ - NULL, /* getreg.term_cmd */ - }, - "re\n\r", /* dump_registers */ - "\\(\\w+\\)=\\([0-9a-fA-F]+\\)", /* register_pattern */ - NULL, /* supply_register */ + mon960_cmds.fill = NULL; /* fill (start end val) */ + /* can't use "fi" because it takes words, not bytes */ + /* can't use "mb", "md" or "mo" because they require interaction */ + mon960_cmds.setmem.cmdb = NULL; /* setmem.cmdb (addr, value) */ + mon960_cmds.setmem.cmdw = NULL; /* setmem.cmdw (addr, value) */ + mon960_cmds.setmem.cmdl = "md %x %x\n\r"; /* setmem.cmdl (addr, value) */ + mon960_cmds.setmem.cmdll = NULL; /* setmem.cmdll (addr, value) */ + mon960_cmds.setmem.resp_delim = NULL; /* setmem.resp_delim */ + mon960_cmds.setmem.term = NULL; /* setmem.term */ + mon960_cmds.setmem.term_cmd = NULL; /* setmem.term_cmd */ + /* since the parsing of multiple bytes is difficult due to + interspersed addresses, we'll only read 1 value at a time, + even tho these can handle a count */ + mon960_cmds.getmem.cmdb = "db %x\n\r"; /* getmem.cmdb (addr, #bytes) */ + mon960_cmds.getmem.cmdw = "ds %x\n\r"; /* getmem.cmdw (addr, #swords) */ + mon960_cmds.getmem.cmdl = "di %x\n\r"; /* getmem.cmdl (addr, #words) */ + mon960_cmds.getmem.cmdll = "dd %x\n\r"; /* getmem.cmdll (addr, #dwords) */ + mon960_cmds.getmem.resp_delim = " : "; /* getmem.resp_delim */ + mon960_cmds.getmem.term = NULL; /* getmem.term */ + mon960_cmds.getmem.term_cmd = NULL; /* getmem.term_cmd */ + mon960_cmds.setreg.cmd = "md %s %x\n\r"; /* setreg.cmd (name, value) */ + mon960_cmds.setreg.resp_delim = NULL; /* setreg.resp_delim */ + mon960_cmds.setreg.term = NULL; /* setreg.term */ + mon960_cmds.setreg.term_cmd = NULL, /* setreg.term_cmd */ + mon960_cmds.getreg.cmd = "di %s\n\r"; /* getreg.cmd (name) */ + mon960_cmds.getreg.resp_delim = " : "; /* getreg.resp_delim */ + mon960_cmds.getreg.term = NULL; /* getreg.term */ + mon960_cmds.getreg.term_cmd = NULL; /* getreg.term_cmd */ + mon960_cmds.dump_registers = "re\n\r"; /* dump_registers */ + mon960_cmds.register_pattern = "\\(\\w+\\)=\\([0-9a-fA-F]+\\)"; /* register_pattern */ + mon960_cmds.supply_register = NULL; /* supply_register */ #ifdef USE_GENERIC_LOAD - NULL, /* load_routine (defaults to SRECs) */ - NULL, /* download command */ - NULL, /* load response */ + mon960_cmds.load_routine = NULL; /* load_routine (defaults to SRECs) */ + mon960_cmds.load = NULL; /* download command */ + mon960_cmds.loadresp = NULL; /* load response */ #else - mon960_load, /* load_routine (defaults to SRECs) */ - "do\n\r", /* download command */ - "Downloading\n\r", /* load response */ + mon960_cmds.load_routine = mon960_load ; /* load_routine (defaults to SRECs) */ + mon960_cmds.load = "do\n\r"; /* download command */ + mon960_cmds.loadresp = "Downloading\n\r" ;/* load response */ #endif - "=>", /* monitor command prompt */ - "\n\r", /* end-of-command delimitor */ - NULL, /* optional command terminator */ - &mon960_ops, /* target operations */ - SERIAL_1_STOPBITS, /* number of stop bits */ - mon960_regnames, /* registers names */ - MONITOR_OPS_MAGIC /* magic */ + mon960_cmds.prompt = "=>"; /* monitor command prompt */ + mon960_cmds.line_term = "\n\r"; /* end-of-command delimitor */ + mon960_cmds.cmd_end = NULL; /* optional command terminator */ + mon960_cmds.target = &mon960_ops; /* target operations */ + mon960_cmds.stopbits = SERIAL_1_STOPBITS; /* number of stop bits */ + mon960_cmds.regnames = mon960_regnames; /* registers names */ + mon960_cmds.magic = MONITOR_OPS_MAGIC; /* magic */ }; -/* invoked from monitor.c - opens the serial port */ static void mon960_open (args, from_tty) char *args; int from_tty; { - char *serial_port_name = args; - if (args) - { - char *cursor = serial_port_name = strsave (args); + char buf[64]; - while (*cursor && *cursor != ' ') - cursor++; + monitor_open (args, &mon960_cmds, from_tty); - if (*cursor) - *cursor++ = 0; + /* Attempt to fetch the value of the first floating point register (fp0). + If the monitor returns a string containing the word "Bad" we'll assume + this processor has no floating point registers, and nullify the + regnames entries that refer to FP registers. */ - while (*cursor == ' ') - cursor++; + monitor_printf (mon960_cmds.getreg.cmd, full_regnames[FP0_REGNUM]); /* di fp0 */ + if (monitor_expect_prompt (buf, sizeof(buf)) != -1) + if (strstr(buf, "Bad") != NULL) + { + int i; - } - monitor_open (serial_port_name, &mon960_cmds, from_tty); + for (i = FP0_REGNUM; i < FP0_REGNUM + 4; i++) + mon960_regnames[i] = NULL; + } } - void _initialize_mon960 () { + memcpy(mon960_regnames, full_regnames, sizeof(full_regnames)); + + init_mon960_cmds (); + init_monitor_ops (&mon960_ops); mon960_ops.to_shortname = "mon960"; /* for the target command */ - mon960_ops.to_longname = "Intel 960 rom monitor"; + mon960_ops.to_longname = "Intel 960 MON960 monitor"; #ifdef USE_GENERIC_LOAD mon960_ops.to_load = mon960_load_gen; /* FIXME - should go back and try "do" */ #endif @@ -261,10 +256,9 @@ _initialize_mon960 () mon960_ops.to_remove_breakpoint = memory_remove_breakpoint; mon960_ops.to_doc = - "Debug on an Intel 960 eval board running the Mon960 rom monitor.\n" - "Specify the serial device it is connected to (e.g. /dev/ttya)."; + "Use an Intel 960 board running the MON960 debug monitor.\n\ +Specify the serial device it is connected to (e.g. /dev/ttya)."; mon960_ops.to_open = mon960_open; add_target (&mon960_ops); } - |
