diff options
Diffstat (limited to 'gdb/sparclet-rom.c')
| -rw-r--r-- | gdb/sparclet-rom.c | 218 |
1 files changed, 103 insertions, 115 deletions
diff --git a/gdb/sparclet-rom.c b/gdb/sparclet-rom.c index b4ca50d..2942c7c 100644 --- a/gdb/sparclet-rom.c +++ b/gdb/sparclet-rom.c @@ -26,164 +26,164 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #include "srec.h" #include "symtab.h" #include "symfile.h" /* for generic_load */ +#include <time.h> -#if 0 /* Do we really need all this Unix stuff here? */ -#if !defined (HAVE_TERMIOS) && !defined (HAVE_TERMIO) && !defined (HAVE_SGTTY) -#define HAVE_SGTTY -#endif +static struct target_ops sparclet_ops; -#ifdef HAVE_SGTTY -#include <sys/ioctl.h> -#endif +static void sparclet_open PARAMS ((char *args, int from_tty)); -#include <sys/types.h> /* Needed by file.h on Sys V */ -#include <sys/file.h> -#include <signal.h> -#include <sys/stat.h> -#endif /* Unix stuff */ +/* 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". */ -#define USE_GENERIC_LOAD -#define USE_SW_BREAKS +/*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 */ -static struct target_ops sparclet_ops; +/* is wim part of psr?? */ +/* monitor wants lower case */ +static char *sparclet_regnames[NUM_REGS] = REGISTER_NAMES; -static void sparclet_open PARAMS ((char *args, int from_tty)); -#ifdef USE_GENERIC_LOAD +/* 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_load_gen (filename, from_tty) - char *filename; - int from_tty; +sparclet_supply_register (regname, regnamelen, val, vallen) + char *regname; + int regnamelen; + char *val; + int vallen; { - extern int inferior_pid; - - generic_load (filename, from_tty); - /* 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 */ + return; } -#endif - -#ifdef USE_XMODEM_LOAD - static void -sparclet_xmodem_load (desc, file, hashmark) +sparclet_load (desc, file, hashmark) serial_t desc; char *file; int hashmark; { bfd *abfd; asection *s; - char *buffer; 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; - buffer = alloca (XMODEM_PACKETSIZE); 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; - printf_filtered ("%s\t: 0x%4x .. 0x%4x ", s->name, s->vma, - s->vma + s->_raw_size); - gdb_flush (gdb_stdout); - monitor_printf (current_monitor->load, s->vma); - if (current_monitor->loadresp) - monitor_expect (current_monitor->loadresp, NULL, 0); - xmodem_init_xfer (desc); + bfd_vma vma; + + vma = bfd_get_section_vma (abfd, s) + load_offset; section_size = bfd_section_size (abfd, s); - for (i = 0; i < section_size; i += XMODEM_DATASIZE) + + 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; - numbytes = min (XMODEM_DATASIZE, section_size - i); - bfd_get_section_contents (abfd, s, buffer + XMODEM_DATAOFFSET, i, - numbytes); - xmodem_send_packet (desc, buffer, numbytes, hashmark); + 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 */ - xmodem_finish_xfer (desc); + monitor_expect_prompt (NULL, 0); + putchar_unfiltered ('\n'); } /* Loadable sections */ - if (hashmark) - putchar_unfiltered ('\n'); -} -static void -sparclet_load (desc, file, hashmark) - serial_t desc; - char *file; - int hashmark; -{ -??? -} -#endif /* USE_XMODEM_LOAD */ + 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); -/* 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". */ + monitor_printf ("run\r"); -/*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 */ + end_time = time (NULL); -/* is wim part of psr?? */ -/* monitor wants lower case */ -static char *sparclet_regnames[NUM_REGS] = REGISTER_NAMES; + if (hashmark) + putchar_unfiltered ('\n'); + report_transfer_performance (data_count, start_time, end_time); -/* 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. */ + pop_target (); + push_remote_target (monitor_get_dev_name (), 1); -static void -sparclet_supply_register (regname, regnamelen, val, vallen) - char *regname; - int regnamelen; - char *val; - int vallen; -{ - return; + 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. */ @@ -248,16 +248,9 @@ static struct monitor_ops sparclet_cmds = "reg\r", /* dump_registers */ "\\(\\w+\\)=\\([0-9a-fA-F]+\\)", /* register_pattern */ sparclet_supply_register, /* supply_register */ -#ifdef USE_GENERIC_LOAD - NULL, /* load_routine (defaults to SRECs) */ - NULL, /* download command */ + sparclet_load, /* load_routine */ + NULL, /* download command (srecs on console) */ NULL, /* load response */ -#else - NULL, /* load_routine (defaults to SRECs) */ - /* load [c|a] [s | f | r [addr count]] */ - "load c s\r", /* download command (srecs on console) */ - "load: ", /* load response */ -#endif "monitor>", /* monitor command prompt */ /* yikes! gdb core dumps without this delimitor!! */ "\r", /* end-of-command delimitor */ @@ -291,14 +284,9 @@ _initialize_sparclet () init_monitor_ops (&sparclet_ops); sparclet_ops.to_shortname = "sparclet"; /* for the target command */ sparclet_ops.to_longname = "SPARC Sparclet monitor"; -#ifdef USE_GENERIC_LOAD - sparclet_ops.to_load = sparclet_load_gen; /* FIXME - should go back and try "do" */ -#endif -#ifdef USE_SW_BREAKS /* 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; -#endif sparclet_ops.to_doc = "Use a board running the Sparclet debug monitor.\n\ |