summaryrefslogtreecommitdiff
path: root/gdb/w89k-rom.c
diff options
context:
space:
mode:
Diffstat (limited to 'gdb/w89k-rom.c')
-rw-r--r--gdb/w89k-rom.c317
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);
+}
View Lorry Controller Status