| /* Remote target glue for the SPARC Sparclet ROM monitor. |
| Copyright 1995, 1996, 1997, 1998, 1999, 2000, 2001 |
| Free Software Foundation, Inc. |
| |
| 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. */ |
| |
| |
| #include "defs.h" |
| #include "gdbcore.h" |
| #include "target.h" |
| #include "monitor.h" |
| #include "serial.h" |
| #include "srec.h" |
| #include "symtab.h" |
| #include "symfile.h" /* for generic_load */ |
| #include "regcache.h" |
| #include <time.h> |
| |
| extern void report_transfer_performance (unsigned long, time_t, time_t); |
| |
| static struct target_ops sparclet_ops; |
| |
| static void sparclet_open (char *args, int from_tty); |
| |
| /* This array of registers need to match the indexes used by GDB. |
| This exists because the various ROM monitors use different strings |
| than does GDB, and don't necessarily support all the registers |
| either. So, typing "info reg sp" becomes a "r30". */ |
| |
| /*PSR 0x00000080 impl ver icc AW LE EE EC EF PIL S PS ET CWP WIM |
| 0x0 0x0 0x0 0 0 0 0 0 0x0 1 0 0 0x00 0x2 |
| 0000010 |
| INS LOCALS OUTS GLOBALS |
| 0 0x00000000 0x00000000 0x00000000 0x00000000 |
| 1 0x00000000 0x00000000 0x00000000 0x00000000 |
| 2 0x00000000 0x00000000 0x00000000 0x00000000 |
| 3 0x00000000 0x00000000 0x00000000 0x00000000 |
| 4 0x00000000 0x00000000 0x00000000 0x00000000 |
| 5 0x00000000 0x00001000 0x00000000 0x00000000 |
| 6 0x00000000 0x00000000 0x123f0000 0x00000000 |
| 7 0x00000000 0x00000000 0x00000000 0x00000000 |
| pc: 0x12010000 0x00000000 unimp |
| npc: 0x12010004 0x00001000 unimp 0x1000 |
| tbr: 0x00000000 |
| y: 0x00000000 |
| */ |
| /* these correspond to the offsets from tm-* files from config directories */ |
| |
| /* is wim part of psr?? */ |
| /* monitor wants lower case */ |
| static char *sparclet_regnames[] = { |
| "g0", "g1", "g2", "g3", "g4", "g5", "g6", "g7", |
| "o0", "o1", "o2", "o3", "o4", "o5", "o6", "o7", |
| "l0", "l1", "l2", "l3", "l4", "l5", "l6", "l7", |
| "i0", "i1", "i2", "i3", "i4", "i5", "i6", "i7", |
| |
| "", "", "", "", "", "", "", "", /* no FPU regs */ |
| "", "", "", "", "", "", "", "", |
| "", "", "", "", "", "", "", "", |
| "", "", "", "", "", "", "", "", |
| /* no CPSR, FPSR */ |
| "y", "psr", "wim", "tbr", "pc", "npc", "", "", |
| |
| "ccsr", "ccpr", "cccrcr", "ccor", "ccobr", "ccibr", "ccir", "", |
| |
| /* ASR15 ASR19 (don't display them) */ |
| "asr1", "", "asr17", "asr18", "", "asr20", "asr21", "asr22", |
| /* |
| "awr0", "awr1", "awr2", "awr3", "awr4", "awr5", "awr6", "awr7", |
| "awr8", "awr9", "awr10", "awr11", "awr12", "awr13", "awr14", "awr15", |
| "awr16", "awr17", "awr18", "awr19", "awr20", "awr21", "awr22", "awr23", |
| "awr24", "awr25", "awr26", "awr27", "awr28", "awr29", "awr30", "awr31", |
| "apsr", |
| */ |
| }; |
| |
| |
| |
| /* Function: sparclet_supply_register |
| Just returns with no action. |
| This function is required, because parse_register_dump (monitor.c) |
| expects to be able to call it. If we don't supply something, it will |
| call a null pointer and core-dump. Since this function does not |
| actually do anything, GDB will request the registers individually. */ |
| |
| static void |
| sparclet_supply_register (char *regname, int regnamelen, char *val, int vallen) |
| { |
| return; |
| } |
| |
| static void |
| sparclet_load (serial_t desc, char *file, int hashmark) |
| { |
| bfd *abfd; |
| asection *s; |
| int i; |
| CORE_ADDR load_offset; |
| time_t start_time, end_time; |
| unsigned long data_count = 0; |
| |
| /* enable user to specify address for downloading as 2nd arg to load */ |
| |
| i = sscanf (file, "%*s 0x%lx", &load_offset); |
| if (i >= 1) |
| { |
| char *p; |
| |
| for (p = file; *p != '\000' && !isspace (*p); p++); |
| |
| *p = '\000'; |
| } |
| else |
| load_offset = 0; |
| |
| abfd = bfd_openr (file, 0); |
| if (!abfd) |
| { |
| printf_filtered ("Unable to open file %s\n", file); |
| return; |
| } |
| |
| if (bfd_check_format (abfd, bfd_object) == 0) |
| { |
| printf_filtered ("File is not an object file\n"); |
| return; |
| } |
| |
| start_time = time (NULL); |
| |
| for (s = abfd->sections; s; s = s->next) |
| if (s->flags & SEC_LOAD) |
| { |
| bfd_size_type section_size; |
| bfd_vma vma; |
| |
| vma = bfd_get_section_vma (abfd, s) + load_offset; |
| section_size = bfd_section_size (abfd, s); |
| |
| data_count += section_size; |
| |
| printf_filtered ("%s\t: 0x%4x .. 0x%4x ", |
| bfd_get_section_name (abfd, s), vma, |
| vma + section_size); |
| gdb_flush (gdb_stdout); |
| |
| monitor_printf ("load c r %x %x\r", vma, section_size); |
| |
| monitor_expect ("load: loading ", NULL, 0); |
| monitor_expect ("\r", NULL, 0); |
| |
| for (i = 0; i < section_size; i += 2048) |
| { |
| int numbytes; |
| char buf[2048]; |
| |
| numbytes = min (sizeof buf, section_size - i); |
| |
| bfd_get_section_contents (abfd, s, buf, i, numbytes); |
| |
| SERIAL_WRITE (desc, buf, numbytes); |
| |
| if (hashmark) |
| { |
| putchar_unfiltered ('#'); |
| gdb_flush (gdb_stdout); |
| } |
| } /* Per-packet (or S-record) loop */ |
| |
| monitor_expect_prompt (NULL, 0); |
| |
| putchar_unfiltered ('\n'); |
| } /* Loadable sections */ |
| |
| monitor_printf ("reg pc %x\r", bfd_get_start_address (abfd)); |
| monitor_expect_prompt (NULL, 0); |
| monitor_printf ("reg npc %x\r", bfd_get_start_address (abfd) + 4); |
| monitor_expect_prompt (NULL, 0); |
| |
| monitor_printf ("run\r"); |
| |
| end_time = time (NULL); |
| |
| if (hashmark) |
| putchar_unfiltered ('\n'); |
| |
| report_transfer_performance (data_count, start_time, end_time); |
| |
| pop_target (); |
| push_remote_target (monitor_get_dev_name (), 1); |
| |
| return_to_top_level (RETURN_QUIT); |
| } |
| |
| /* 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. */ |
| |
| /* need to pause the monitor for timing reasons, so slow it down */ |
| |
| static char *sparclet_inits[] = |
| {"\n\r\r\n", NULL}; |
| |
| static struct monitor_ops sparclet_cmds; |
| |
| static void |
| init_sparclet_cmds (void) |
| { |
| sparclet_cmds.flags = MO_CLR_BREAK_USES_ADDR | |
| MO_HEX_PREFIX | |
| MO_NO_ECHO_ON_OPEN | |
| MO_NO_ECHO_ON_SETMEM | |
| MO_RUN_FIRST_TIME | |
| MO_GETMEM_READ_SINGLE; /* flags */ |
| sparclet_cmds.init = sparclet_inits; /* Init strings */ |
| sparclet_cmds.cont = "cont\r"; /* continue command */ |
| sparclet_cmds.step = "step\r"; /* single step */ |
| sparclet_cmds.stop = "\r"; /* break interrupts the program */ |
| sparclet_cmds.set_break = "+bp %x\r"; /* set a breakpoint */ |
| sparclet_cmds.clr_break = "-bp %x\r"; /* can't use "br" because only 2 hw bps are supported */ |
| sparclet_cmds.clr_all_break = "-bp %x\r"; /* clear a breakpoint */ |
| "-bp\r"; /* clear all breakpoints */ |
| sparclet_cmds.fill = "fill %x -n %x -v %x -b\r"; /* fill (start length val) */ |
| /* can't use "fi" because it takes words, not bytes */ |
| /* ex [addr] [-n count] [-b|-s|-l] default: ex cur -n 1 -b */ |
| sparclet_cmds.setmem.cmdb = "ex %x -b\r%x\rq\r"; /* setmem.cmdb (addr, value) */ |
| sparclet_cmds.setmem.cmdw = "ex %x -s\r%x\rq\r"; /* setmem.cmdw (addr, value) */ |
| sparclet_cmds.setmem.cmdl = "ex %x -l\r%x\rq\r"; /* setmem.cmdl (addr, value) */ |
| sparclet_cmds.setmem.cmdll = NULL; /* setmem.cmdll (addr, value) */ |
| sparclet_cmds.setmem.resp_delim = NULL; /*": " *//* setmem.resp_delim */ |
| sparclet_cmds.setmem.term = NULL; /*"? " *//* setmem.term */ |
| sparclet_cmds.setmem.term_cmd = NULL; /*"q\r" *//* 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 */ |
| /* we can use -n to set count to read, but may have to parse? */ |
| sparclet_cmds.getmem.cmdb = "ex %x -n 1 -b\r"; /* getmem.cmdb (addr, #bytes) */ |
| sparclet_cmds.getmem.cmdw = "ex %x -n 1 -s\r"; /* getmem.cmdw (addr, #swords) */ |
| sparclet_cmds.getmem.cmdl = "ex %x -n 1 -l\r"; /* getmem.cmdl (addr, #words) */ |
| sparclet_cmds.getmem.cmdll = NULL; /* getmem.cmdll (addr, #dwords) */ |
| sparclet_cmds.getmem.resp_delim = ": "; /* getmem.resp_delim */ |
| sparclet_cmds.getmem.term = NULL; /* getmem.term */ |
| sparclet_cmds.getmem.term_cmd = NULL; /* getmem.term_cmd */ |
| sparclet_cmds.setreg.cmd = "reg %s 0x%x\r"; /* setreg.cmd (name, value) */ |
| sparclet_cmds.setreg.resp_delim = NULL; /* setreg.resp_delim */ |
| sparclet_cmds.setreg.term = NULL; /* setreg.term */ |
| sparclet_cmds.setreg.term_cmd = NULL; /* setreg.term_cmd */ |
| sparclet_cmds.getreg.cmd = "reg %s\r"; /* getreg.cmd (name) */ |
| sparclet_cmds.getreg.resp_delim = " "; /* getreg.resp_delim */ |
| sparclet_cmds.getreg.term = NULL; /* getreg.term */ |
| sparclet_cmds.getreg.term_cmd = NULL; /* getreg.term_cmd */ |
| sparclet_cmds.dump_registers = "reg\r"; /* dump_registers */ |
| sparclet_cmds.register_pattern = "\\(\\w+\\)=\\([0-9a-fA-F]+\\)"; /* register_pattern */ |
| sparclet_cmds.supply_register = sparclet_supply_register; /* supply_register */ |
| sparclet_cmds.load_routine = sparclet_load; /* load_routine */ |
| sparclet_cmds.load = NULL; /* download command (srecs on console) */ |
| sparclet_cmds.loadresp = NULL; /* load response */ |
| sparclet_cmds.prompt = "monitor>"; /* monitor command prompt */ |
| /* yikes! gdb core dumps without this delimitor!! */ |
| sparclet_cmds.line_term = "\r"; /* end-of-command delimitor */ |
| sparclet_cmds.cmd_end = NULL; /* optional command terminator */ |
| sparclet_cmds.target = &sparclet_ops; /* target operations */ |
| sparclet_cmds.stopbits = SERIAL_1_STOPBITS; /* number of stop bits */ |
| sparclet_cmds.regnames = sparclet_regnames; /* registers names */ |
| sparclet_cmds.magic = MONITOR_OPS_MAGIC; /* magic */ |
| }; |
| |
| static void |
| sparclet_open (char *args, int from_tty) |
| { |
| monitor_open (args, &sparclet_cmds, from_tty); |
| } |
| |
| void |
| _initialize_sparclet (void) |
| { |
| int i; |
| init_sparclet_cmds (); |
| |
| for (i = 0; i < NUM_REGS; i++) |
| if (sparclet_regnames[i][0] == 'c' || |
| sparclet_regnames[i][0] == 'a') |
| sparclet_regnames[i] = 0; /* mon can't report c* or a* regs */ |
| |
| sparclet_regnames[0] = 0; /* mon won't report %G0 */ |
| |
| init_monitor_ops (&sparclet_ops); |
| sparclet_ops.to_shortname = "sparclet"; /* for the target command */ |
| sparclet_ops.to_longname = "SPARC Sparclet monitor"; |
| /* use SW breaks; target only supports 2 HW breakpoints */ |
| sparclet_ops.to_insert_breakpoint = memory_insert_breakpoint; |
| sparclet_ops.to_remove_breakpoint = memory_remove_breakpoint; |
| |
| sparclet_ops.to_doc = |
| "Use a board running the Sparclet debug monitor.\n\ |
| Specify the serial device it is connected to (e.g. /dev/ttya)."; |
| |
| sparclet_ops.to_open = sparclet_open; |
| add_target (&sparclet_ops); |
| } |