Initial creation of sourceware repositorygdb-4_18-branchpoint

1 files changed, 392 insertions, 0 deletions

diff --git a/gdb/sh3-rom.c b/gdb/sh3-rom.c
new file mode 100644
index 0000000..ab4aa69
--- /dev/null
+++ b/gdb/sh3-rom.c
@@ -0,0 +1,392 @@
+/* Remote target glue for the Hitachi SH-3 ROM monitor.
+   Copyright 1995, 1996 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"
+
+static serial_t parallel;
+static int parallel_in_use;
+
+static void sh3_open PARAMS ((char *args, int from_tty));
+
+static void
+sh3_supply_register (regname, regnamelen, val, vallen)
+     char *regname;
+     int regnamelen;
+     char *val;
+     int vallen;
+{
+  int numregs;
+  int regno;
+
+  numregs = 1;
+  regno = -1;
+
+  if (regnamelen == 2)
+    {
+      switch (regname[0])
+	{
+	case 'S':
+	  if (regname[1] == 'R')
+	    regno = SR_REGNUM;
+	  break;
+	case 'P':
+	  if (regname[1] == 'C')
+	    regno = PC_REGNUM;
+	  else if (regname[1] == 'R')
+	    regno = PR_REGNUM;
+	  break;
+	}
+    }
+  else if (regnamelen == 3)
+    {
+      switch (regname[0])
+	{
+	case 'G':
+	case 'V':
+	  if (regname[1] == 'B' && regname[2] == 'R')
+	    if (regname[0] == 'G')
+	      regno = VBR_REGNUM;
+	    else
+	      regno = GBR_REGNUM;
+	  break;
+	case 'S':
+	  if (regname[1] == 'S' && regname[2] == 'R')
+	    regno = SSR_REGNUM;
+	  else if (regname[1] == 'P' && regname[2] == 'C')
+	    regno = SPC_REGNUM;
+	  break;
+	}
+    }
+  else if (regnamelen == 4)
+    {
+      switch (regname[0])
+	{
+	case 'M':
+	  if (regname[1] == 'A' && regname[2] == 'C')
+	    if (regname[3] == 'H')
+	      regno = MACH_REGNUM;
+	    else if (regname[3] == 'L')
+	      regno = MACL_REGNUM;
+	  break;
+	case 'R':
+	  if (regname[1] == '0' && regname[2] == '-' && regname[3] == '7')
+	    {
+	      regno = R0_REGNUM;
+	      numregs = 8;
+	    }
+	}
+    }
+  else if (regnamelen == 5)
+    {
+      if (regname[1] == '8' && regname[2] == '-' && regname[3] == '1'
+	  && regname[4] =='5')
+	{
+	  regno = R0_REGNUM + 8;
+	  numregs = 8;
+	}
+    }
+  else if (regnamelen == 17)
+    {
+    }
+
+  if (regno >= 0)
+    while (numregs-- > 0)
+      val = monitor_supply_register (regno++, val);
+}
+
+static void
+sh3_load (desc, file, hashmark)
+     serial_t desc;
+     char *file;
+     int hashmark;
+{
+  if (parallel_in_use) 
+    {
+      monitor_printf("pl;s\r");
+      load_srec (parallel, file, 0, 80, SREC_ALL, hashmark, NULL);
+      monitor_expect_prompt (NULL, 0);
+    }
+  else 
+    {
+      monitor_printf ("il;s:x\r");
+      monitor_expect ("\005", NULL, 0); /* Look for ENQ */
+      SERIAL_WRITE (desc, "\006", 1); /* Send ACK */
+      monitor_expect ("LO x\r", NULL, 0); /* Look for filename */
+
+      load_srec (desc, file, 0, 80, SREC_ALL, hashmark, NULL);
+
+      monitor_expect ("\005", NULL, 0); /* Look for ENQ */
+      SERIAL_WRITE (desc, "\006", 1); /* Send ACK */
+      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".  */
+
+static char *sh3_regnames[NUM_REGS] = {
+  "R0", "R1", "R2",  "R3", "R4",  "R5",   "R6",  "R7",
+  "R8", "R9", "R10", "R11","R12", "R13",  "R14", "R15",
+  "PC", "PR", "GBR", "VBR","MACH","MACL", "SR",
+  NULL, NULL,
+  NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
+  NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
+  "SSR", "SPC",
+  "R0_BANK0", "R1_BANK0", "R2_BANK0", "R3_BANK0",
+  "R4_BANK0", "R5_BANK0", "R6_BANK0", "R7_BANK0",
+  "R0_BANK1", "R1_BANK1", "R2_BANK1", "R3_BANK1",
+  "R4_BANK1", "R5_BANK1", "R6_BANK1", "R7_BANK1"
+};
+
+static char *sh3e_regnames[NUM_REGS] = {
+  "R0", "R1", "R2",  "R3", "R4",  "R5",   "R6",  "R7",
+  "R8", "R9", "R10", "R11","R12", "R13",  "R14", "R15",
+  "PC", "PR", "GBR", "VBR","MACH","MACL", "SR",
+  "FPUL", "FPSCR",
+  "FR0", "FR1", "FR2", "FR3", "FR4", "FR5", "FR6", "FR7",
+  "FR8", "FR9", "FR10", "FR11", "FR12", "FR13", "FR14", "FR15",
+  "SSR","SPC",
+  "R0_BANK0", "R1_BANK0", "R2_BANK0", "R3_BANK0",
+  "R4_BANK0", "R5_BANK0", "R6_BANK0", "R7_BANK0",
+  "R0_BANK1", "R1_BANK1", "R2_BANK1", "R3_BANK1",
+  "R4_BANK1", "R5_BANK1", "R6_BANK1", "R7_BANK1"
+};
+
+/* 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 sh3_ops, sh3e_ops;
+
+static char *sh3_inits[] = {"\003", NULL}; /* Exits sub-command mode & download cmds */
+
+static struct monitor_ops sh3_cmds ;
+
+static void 
+init_sh3_cmds(void)
+{
+  sh3_cmds.flags =   MO_CLR_BREAK_USES_ADDR | MO_GETMEM_READ_SINGLE ;	/* flags */
+  sh3_cmds.init =   sh3_inits;		/* monitor init string */
+  sh3_cmds.cont =   "g\r";		/* continue command */
+  sh3_cmds.step =   "s\r";		/* single step */
+  sh3_cmds.stop =   "\003";		/* Interrupt program */
+  sh3_cmds.set_break =   "b %x\r";	/* set a breakpoint */
+  sh3_cmds.clr_break =   "b -%x\r";	/* clear a breakpoint */
+  sh3_cmds.clr_all_break =   "b -\r";	/* clear all breakpoints */
+  sh3_cmds.fill =   "f %x @%x %x\r";		/* fill (start len val) */
+  sh3_cmds.setmem.cmdb =     "m %x %x\r";	/* setmem.cmdb (addr, value) */
+  sh3_cmds.setmem.cmdw =     "m %x %x;w\r";	/* setmem.cmdw (addr, value) */
+  sh3_cmds.setmem.cmdl =     "m %x %x;l\r";	/* setmem.cmdl (addr, value) */
+  sh3_cmds.setmem.cmdll =     NULL;		/* setmem.cmdll (addr, value) */
+  sh3_cmds.setmem.resp_delim =     NULL;	/* setreg.resp_delim */
+  sh3_cmds.setmem.term =     NULL;		/* setreg.term */
+  sh3_cmds.setmem.term_cmd =     NULL;		/* setreg.term_cmd */
+  sh3_cmds.getmem.cmdb =     "m %x\r";		/* getmem.cmdb (addr, len) */
+  sh3_cmds.getmem.cmdw =     "m %x;w\r";	/* getmem.cmdw (addr, len) */
+  sh3_cmds.getmem.cmdl =     "m %x;l\r";	/* getmem.cmdl (addr, len) */
+  sh3_cmds.getmem.cmdll =     NULL;		/* getmem.cmdll (addr, len) */
+  sh3_cmds.getmem.resp_delim =     "^ [0-9A-F]+ "; /* getmem.resp_delim */
+  sh3_cmds.getmem.term =     "? ";		/* getmem.term */
+  sh3_cmds.getmem.term_cmd =     ".\r";		/* getmem.term_cmd */
+  sh3_cmds.setreg.cmd =     ".%s %x\r";		/* setreg.cmd (name, value) */
+  sh3_cmds.setreg.resp_delim =     NULL;	/* setreg.resp_delim */
+  sh3_cmds.setreg.term =     NULL;		/* setreg.term */
+  sh3_cmds.setreg.term_cmd =     NULL;		/* setreg.term_cmd */
+  sh3_cmds.getreg.cmd =     ".%s\r";		/* getreg.cmd (name) */
+  sh3_cmds.getreg.resp_delim =     "=";		/* getreg.resp_delim */
+  sh3_cmds.getreg.term =     "? ";		/* getreg.term */
+  sh3_cmds.getreg.term_cmd =     ".\r"	;	/* getreg.term_cmd */
+  sh3_cmds.dump_registers =   "r\r";		/* dump_registers */
+  sh3_cmds.register_pattern = 	"\\(\\w+\\)=\\([0-9a-fA-F]+\\( +[0-9a-fA-F]+\\b\\)*\\)";
+  sh3_cmds.supply_register =  sh3_supply_register ;	/* supply_register */
+  sh3_cmds.load_routine =   sh3_load;		/* load_routine */
+  sh3_cmds.load =   NULL;			/* download command */
+  sh3_cmds.loadresp =   NULL;			/* Load response */
+  sh3_cmds.prompt =   "\n:";			/* monitor command prompt */
+  sh3_cmds.line_term =   "\r";			/* end-of-line terminator */
+  sh3_cmds.cmd_end =   ".\r";			/* optional command terminator */
+  sh3_cmds.target =   &sh3_ops;			/* target operations */
+  sh3_cmds.stopbits =   SERIAL_1_STOPBITS;	/* number of stop bits */
+  sh3_cmds.regnames =   sh3_regnames;		/* registers names */
+  sh3_cmds.magic =   MONITOR_OPS_MAGIC	;	/* magic */
+} /* init_sh3_cmds */
+
+/* This monitor structure is identical except for a couple slots, so
+   we will fill it in from the base structure when needed.  */
+
+static struct monitor_ops sh3e_cmds;
+
+static void
+sh3_open (args, from_tty)
+     char *args;
+     int from_tty;
+{
+  char *serial_port_name = args;
+  char *parallel_port_name = 0;
+
+  if (args) 
+    {
+      char *cursor = serial_port_name = strsave (args);
+
+      while (*cursor && *cursor != ' ')
+ 	cursor++;
+
+      if (*cursor)
+	*cursor++ = 0;
+
+      while (*cursor == ' ')
+	cursor++;
+
+      if (*cursor)
+	parallel_port_name = cursor;
+    }
+
+  monitor_open (serial_port_name, &sh3_cmds, from_tty);
+
+  if (parallel_port_name)
+    {
+      parallel = SERIAL_OPEN (parallel_port_name);
+
+      if (!parallel)
+	perror_with_name ("Unable to open parallel port.");
+
+      parallel_in_use = 1;
+    }
+
+  /* If we connected successfully, we know the processor is an SH3.  */
+  set_architecture_from_arch_mach (bfd_arch_sh, bfd_mach_sh3);
+}
+
+
+static void
+sh3e_open (args, from_tty)
+     char *args;
+     int from_tty;
+{
+  char *serial_port_name = args;
+  char *parallel_port_name = 0;
+
+  if (args) 
+    {
+      char *cursor = serial_port_name = strsave (args);
+
+      while (*cursor && *cursor != ' ')
+ 	cursor++;
+
+      if (*cursor)
+	*cursor++ = 0;
+
+      while (*cursor == ' ')
+	cursor++;
+
+      if (*cursor)
+	parallel_port_name = cursor;
+    }
+
+  /* Set up the SH-3E monitor commands structure.  */
+
+  memcpy (&sh3e_cmds, &sh3_cmds, sizeof (struct monitor_ops));
+
+  sh3e_cmds.target = &sh3e_ops;
+  sh3e_cmds.regnames = sh3e_regnames;
+
+  monitor_open (serial_port_name, &sh3e_cmds, from_tty);
+
+  if (parallel_port_name)
+    {
+      parallel = SERIAL_OPEN (parallel_port_name);
+
+      if (!parallel)
+	perror_with_name ("Unable to open parallel port.");
+
+      parallel_in_use = 1;
+    }
+
+  /* If we connected successfully, we know the processor is an SH3E.  */
+  set_architecture_from_arch_mach (bfd_arch_sh, bfd_mach_sh3);
+}
+
+static void
+sh3_close (quitting)
+     int quitting;
+{
+  monitor_close (quitting);
+  if (parallel_in_use) {
+    SERIAL_CLOSE (parallel);
+    parallel_in_use = 0;
+  }
+}
+
+void
+_initialize_sh3_rom ()
+{
+  init_sh3_cmds() ;
+  init_monitor_ops (&sh3_ops);
+
+  sh3_ops.to_shortname = "sh3";
+  sh3_ops.to_longname = "Hitachi SH-3 rom monitor";
+
+  sh3_ops.to_doc = 
+#ifdef _WINDOWS
+  /* On windows we can talk through the parallel port too. */
+    "Debug on a Hitachi eval board running the SH-3 rom monitor.\n"
+    "Specify the serial device it is connected to (e.g. com2).\n"
+    "If you want to use the parallel port to download to it, specify that\n"
+    "as the second argument. (e.g. lpt1)";
+#else
+    "Debug on a Hitachi eval board running the SH-3 rom monitor.\n\
+Specify the serial device it is connected to (e.g. /dev/ttya).";
+#endif
+
+  sh3_ops.to_open = sh3_open;
+  sh3_ops.to_close = sh3_close;
+
+  add_target (&sh3_ops);
+
+  /* Setup the SH3e, which has float registers.  */
+
+  init_monitor_ops (&sh3e_ops);
+
+  sh3e_ops.to_shortname = "sh3e";
+  sh3e_ops.to_longname = "Hitachi SH-3E rom monitor";
+
+  sh3e_ops.to_doc = 
+#ifdef _WINDOWS
+  /* On windows we can talk through the parallel port too. */
+    "Debug on a Hitachi eval board running the SH-3E rom monitor.\n"
+    "Specify the serial device it is connected to (e.g. com2).\n"
+    "If you want to use the parallel port to download to it, specify that\n"
+    "as the second argument. (e.g. lpt1)";
+#else
+    "Debug on a Hitachi eval board running the SH-3E rom monitor.\n\
+Specify the serial device it is connected to (e.g. /dev/ttya).";
+#endif
+
+  sh3e_ops.to_open = sh3e_open;
+  sh3e_ops.to_close = sh3_close;
+
+  add_target (&sh3e_ops);
+}