Initial revision

1 files changed, 317 insertions, 0 deletions

diff --git a/gdb/w89k-rom.c b/gdb/w89k-rom.c
new file mode 100644
index 00000000000..d01a26582a7
--- /dev/null
+++ b/gdb/w89k-rom.c
@@ -0,0 +1,317 @@
+/* Remote target glue for the WinBond ROM monitor running on the "Cougar"
+   W89k eval board.
+
+   Copyright 1995 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 "xmodem.h"
+
+
+static void w89k_open PARAMS ((char *args, int from_tty));
+
+/*
+ * this array of registers need to match the indexes used by GDB. The
+ * whole reason this exists is cause the various ROM monitors use
+ * different strings than GDB does, and doesn't support all the
+ * registers either. So, typing "info reg sp" becomes a "r30".
+ */
+
+static char *w89k_regnames[NUM_REGS] =
+{
+  "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7",
+  "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15",
+  "r16", "r17", "r18", "r19", "r20", "r21", "r22", "r23",
+  "r24", "r25", "r26", "r27", "r28", "r29", "r30", "r31",
+  "SAR", "PC", NULL, NULL, NULL, "EIEM", "IIR", "IVA",
+  "IOR", "IPSW", NULL, NULL, NULL, NULL, NULL,
+  NULL, NULL, NULL, NULL, NULL, NULL, NULL,
+  "CCR", NULL, NULL, "TR0", "TR1",
+};
+
+static void
+w89k_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 'r':
+	numregs = 4;
+	switch (regname[1])
+	  {
+	  case '0':
+	    regno = R0_REGNUM;
+	    break;
+	  case '4':
+	    regno = R0_REGNUM + 4;
+	    break;
+	  case '8':
+	    regno = R0_REGNUM + 8;
+	    break;
+	  }
+	break;
+      case 'P':
+	if (regname[1] == 'C')
+	  regno = PC_REGNUM;
+	break;
+      }
+  else if (regnamelen == 3)
+    switch (regname[0])
+      {
+      case 'r':
+	numregs = 4;
+	if (regname[1] == '1' && regname[2] == '2')
+	  regno = R0_REGNUM + 12;
+	else if (regname[1] == '1' && regname[2] == '6')
+	  regno = R0_REGNUM + 16;
+	else if (regname[1] == '2' && regname[2] == '0')
+	  regno = R0_REGNUM + 20;
+	else if (regname[1] == '2' && regname[2] == '4')
+	  regno = R0_REGNUM + 24;
+	else if (regname[1] == '2' && regname[2] == '8')
+	  regno = R0_REGNUM + 28;
+	break;
+      case 'R':
+	if (regname[1] == 'C' && regname[2] == 'R')
+	  regno = RCR_REGNUM;
+	break;
+      case 'C':
+	if (regname[1] == 'C' && regname[2] == 'R')
+	  regno = CCR_REGNUM;
+	break;
+      case 'S':
+	if (regname[1] == 'A' && regname[2] == 'R')
+	  regno = SAR_REGNUM;
+	break;
+      case 'I':
+	if (regname[1] == 'I' && regname[2] == 'R')
+	  regno = IIR_REGNUM;
+	else if (regname[1] == 'O' && regname[2] == 'R')
+	  regno = IOR_REGNUM;
+	break;
+      case 'T':
+	numregs = 4;
+	if (regname[1] == 'R')
+	  if (regname[2] == '0')
+	    regno = TR0_REGNUM;
+	  else if (regname[2] == '4')
+	    regno = TR0_REGNUM + 4;
+	break;
+      }
+  else if (regnamelen == 4)
+    switch (regname[0])
+      {
+      case 'E':
+	if (regname[1] == 'I')
+	  if (regname[2] == 'E' && regname[3] == 'M')
+	    regno = EIEM_REGNUM;
+	break;
+      case 'I':
+	if (regname[1] == 'P' && regname[2] == 'S' && regname[3] == 'W')
+	  regno = IPSW_REGNUM;
+	break;
+      }
+  else if (regnamelen == 5)
+    switch (regname[0])
+      {
+      case 'I':
+	if (regname[1] == 'A'
+	    && regname[2] == 'O'
+	    && regname[3] == 'Q'
+	    && regname[4] == 'B')
+	  regno = PCOQ_TAIL_REGNUM;
+	break;
+      }
+
+  if (regno >= 0)
+    while (numregs-- > 0)
+      val = monitor_supply_register (regno++, val);
+}
+
+static int hashmark = 1;	/* flag set by "set hash" */
+
+extern struct monitor_ops w89k_cmds; /* fwd decl */
+
+static void
+w89k_load (desc, file, hashmark)
+     serial_t desc;
+     char *file;
+     int hashmark;
+{
+  bfd *abfd;
+  asection *s;
+  char *buffer;
+  int i;
+
+  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;
+    }
+  
+  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 (w89k_cmds.load, s->vma);
+	if (w89k_cmds.loadresp)
+	  monitor_expect (w89k_cmds.loadresp, NULL, 0);
+
+	xmodem_init_xfer (desc);
+
+	section_size = bfd_section_size (abfd, s);
+
+	for (i = 0; i < section_size; i += XMODEM_DATASIZE)
+	  {
+	    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);
+
+	    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');
+}
+
+/*
+ * Define the monitor command strings. Since these are passed directly
+ * through to a printf style function, we need can include formatting
+ * strings. We also need a CR or LF on the end.
+ */
+
+static struct target_ops w89k_ops;
+
+static char *w89k_inits[] = {"\n", NULL};
+
+static struct monitor_ops w89k_cmds ;
+static void
+init_w89k_cmds(void)
+{
+  w89k_cmds.flags =   MO_GETMEM_NEEDS_RANGE|MO_FILL_USES_ADDR; /* flags */
+  w89k_cmds.init =   w89k_inits;		/* Init strings */
+  w89k_cmds.cont =   "g\n";			/* continue command */
+  w89k_cmds.step =   "t\n";			/* single step */
+  w89k_cmds.stop =   "\003";			/* Interrupt char (^C) */
+  w89k_cmds.set_break =   "bp %x\n";		/* set a breakpoint */
+  w89k_cmds.clr_break =   "bc %x\n";		/* clear a breakpoint */
+  w89k_cmds.clr_all_break =   "bc *\n";		/* clear all breakpoints */
+  w89k_cmds.fill =   "f %x %x %x\n";		/* memory fill cmd */
+  w89k_cmds.setmem.cmdb =     "eb %x %x\n";	/* setmem.cmdb (addr, value) */
+  w89k_cmds.setmem.cmdw =     "eh %x %x\n";	/* setmem.cmdw (addr, value) */
+  w89k_cmds.setmem.cmdl =     "ew %x %x\n";	/* setmem.cmdl (addr, value) */
+  w89k_cmds.setmem.cmdll =     NULL;		/* setmem.cmdll (addr, value) */
+  w89k_cmds.setmem.resp_delim =     NULL;	/* setreg.resp_delim */
+  w89k_cmds.setmem.term =     NULL;		/* setreg.term */
+  w89k_cmds.setmem.term_cmd =     NULL;		/* setreg.term_cmd */
+  w89k_cmds.getmem.cmdb =     "db %x %x\n";/* getmem.cmdb (startaddr, endaddr) */
+  w89k_cmds.getmem.cmdw =     "dh %x %x\n";/* getmem.cmdw (startaddr, endaddr) */
+  w89k_cmds.getmem.cmdl =     "dw %x %x\n";/* getmem.cmdl (startaddr, endaddr) */
+  w89k_cmds.getmem.cmdll =     NULL;	  /* getmem.cmdll (startaddr, endaddr) */
+  w89k_cmds.getmem.resp_delim =     "  ";	/* getmem.resp_delim */
+  w89k_cmds.getmem.term =     NULL;		/* getmem.term */
+  w89k_cmds.getmem.term_cmd =     NULL;		/* getmem.term_cmd */
+  w89k_cmds.setreg.cmd =     "r %s %x\n";	/* setreg.cmd (name, value) */
+  w89k_cmds.setreg.resp_delim =     NULL;	/* setreg.resp_delim */
+  w89k_cmds.setreg.term =     NULL;		/* setreg.term */
+  w89k_cmds.setreg.term_cmd =     NULL;		/* setreg.term_cmd */
+  w89k_cmds.getreg.cmd =     "r %s\n";		/* getreg.cmd (name) */
+  w89k_cmds.getreg.resp_delim =     "\r";	/* getreg.resp_delim */
+  w89k_cmds.getreg.term =     NULL;		/* getreg.term */
+  w89k_cmds.getreg.term_cmd =     NULL;		/* getreg.term_cmd */
+  w89k_cmds.dump_registers =   "r\n";		/* dump_registers */
+  w89k_cmds.register_pattern =   "\\(\\w+\\)\\( +[0-9a-fA-F]+\\b\\)+";
+  w89k_cmds.supply_register =   w89k_supply_register;		/* supply_register */
+  w89k_cmds.load_routine =   w89k_load;		/* load routine */
+  w89k_cmds.load =   "u %x\n";			/* download command */
+  w89k_cmds.loadresp =   "\021";		/* load response (^Q) */
+  w89k_cmds.prompt =   "ROM>";			/* monitor command prompt */
+  w89k_cmds.line_term =   "\n";			/* end-of-line terminator */
+  w89k_cmds.cmd_end =   NULL;			/* optional command terminator */
+  w89k_cmds.target =   &w89k_ops;		/* target operations */
+  w89k_cmds.stopbits =   SERIAL_1_STOPBITS;	/* number of stop bits */
+  w89k_cmds.regnames =   w89k_regnames;		/* register names */
+  w89k_cmds.magic =   MONITOR_OPS_MAGIC	;	/* magic */
+} /* init_w89k_cmds */
+    
+static void
+w89k_open(args, from_tty)
+     char *args;
+     int from_tty;
+{
+  monitor_open (args, &w89k_cmds, from_tty);
+}
+
+void
+_initialize_w89k ()
+{
+  init_w89k_cmds() ;
+  init_monitor_ops (&w89k_ops);
+
+  w89k_ops.to_shortname = "w89k";
+  w89k_ops.to_longname = "WinBond's debug monitor for the W89k Eval board";
+  w89k_ops.to_doc = "Debug on a WinBond W89K eval board.\n\
+Specify the serial device it is connected to (e.g. /dev/ttya).";
+  w89k_ops.to_open = w89k_open;
+
+  add_target (&w89k_ops);
+}