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312 lines
8.9 KiB
C
312 lines
8.9 KiB
C
/* Remote target glue for the WinBond ROM monitor running on the "Cougar"
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W89k eval board.
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Copyright 1995, 2001 Free Software Foundation, Inc.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#include "defs.h"
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#include "gdbcore.h"
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#include "target.h"
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#include "monitor.h"
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#include "serial.h"
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#include "xmodem.h"
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#include "regcache.h"
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static void w89k_open (char *args, int from_tty);
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/*
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* this array of registers need to match the indexes used by GDB. The
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* whole reason this exists is cause the various ROM monitors use
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* different strings than GDB does, and doesn't support all the
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* registers either. So, typing "info reg sp" becomes a "r30".
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*/
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static char *w89k_regnames[NUM_REGS] =
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{
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"r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7",
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"r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15",
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"r16", "r17", "r18", "r19", "r20", "r21", "r22", "r23",
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"r24", "r25", "r26", "r27", "r28", "r29", "r30", "r31",
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"SAR", "PC", NULL, NULL, NULL, "EIEM", "IIR", "IVA",
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"IOR", "IPSW", NULL, NULL, NULL, NULL, NULL,
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NULL, NULL, NULL, NULL, NULL, NULL, NULL,
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"CCR", NULL, NULL, "TR0", "TR1",
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};
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static void
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w89k_supply_register (char *regname, int regnamelen, char *val, int vallen)
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{
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int numregs;
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int regno;
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numregs = 1;
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regno = -1;
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if (regnamelen == 2)
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switch (regname[0])
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{
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case 'r':
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numregs = 4;
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switch (regname[1])
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{
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case '0':
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regno = R0_REGNUM;
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break;
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case '4':
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regno = R0_REGNUM + 4;
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break;
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case '8':
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regno = R0_REGNUM + 8;
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break;
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}
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break;
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case 'P':
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if (regname[1] == 'C')
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regno = PC_REGNUM;
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break;
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}
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else if (regnamelen == 3)
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switch (regname[0])
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{
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case 'r':
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numregs = 4;
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if (regname[1] == '1' && regname[2] == '2')
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regno = R0_REGNUM + 12;
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else if (regname[1] == '1' && regname[2] == '6')
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regno = R0_REGNUM + 16;
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else if (regname[1] == '2' && regname[2] == '0')
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regno = R0_REGNUM + 20;
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else if (regname[1] == '2' && regname[2] == '4')
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regno = R0_REGNUM + 24;
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else if (regname[1] == '2' && regname[2] == '8')
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regno = R0_REGNUM + 28;
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break;
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case 'R':
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if (regname[1] == 'C' && regname[2] == 'R')
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regno = RCR_REGNUM;
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break;
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case 'C':
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if (regname[1] == 'C' && regname[2] == 'R')
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regno = CCR_REGNUM;
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break;
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case 'S':
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if (regname[1] == 'A' && regname[2] == 'R')
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regno = SAR_REGNUM;
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break;
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case 'I':
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if (regname[1] == 'I' && regname[2] == 'R')
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regno = IIR_REGNUM;
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else if (regname[1] == 'O' && regname[2] == 'R')
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regno = IOR_REGNUM;
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break;
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case 'T':
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numregs = 4;
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if (regname[1] == 'R')
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if (regname[2] == '0')
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regno = TR0_REGNUM;
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else if (regname[2] == '4')
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regno = TR0_REGNUM + 4;
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break;
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}
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else if (regnamelen == 4)
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switch (regname[0])
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{
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case 'E':
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if (regname[1] == 'I')
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if (regname[2] == 'E' && regname[3] == 'M')
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regno = EIEM_REGNUM;
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break;
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case 'I':
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if (regname[1] == 'P' && regname[2] == 'S' && regname[3] == 'W')
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regno = IPSW_REGNUM;
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break;
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}
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else if (regnamelen == 5)
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switch (regname[0])
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{
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case 'I':
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if (regname[1] == 'A'
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&& regname[2] == 'O'
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&& regname[3] == 'Q'
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&& regname[4] == 'B')
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regno = PCOQ_TAIL_REGNUM;
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break;
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}
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if (regno >= 0)
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while (numregs-- > 0)
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val = monitor_supply_register (regno++, val);
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}
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static int hashmark = 1; /* flag set by "set hash" */
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extern struct monitor_ops w89k_cmds; /* fwd decl */
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static void
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w89k_load (serial_t desc, char *file, int hashmark)
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{
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bfd *abfd;
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asection *s;
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char *buffer;
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int i;
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buffer = alloca (XMODEM_PACKETSIZE);
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abfd = bfd_openr (file, 0);
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if (!abfd)
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{
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printf_filtered ("Unable to open file %s\n", file);
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return;
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}
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if (bfd_check_format (abfd, bfd_object) == 0)
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{
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printf_filtered ("File is not an object file\n");
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return;
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}
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for (s = abfd->sections; s; s = s->next)
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if (s->flags & SEC_LOAD)
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{
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bfd_size_type section_size;
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printf_filtered ("%s\t: 0x%4x .. 0x%4x ", s->name, s->vma,
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s->vma + s->_raw_size);
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gdb_flush (gdb_stdout);
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monitor_printf (w89k_cmds.load, s->vma);
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if (w89k_cmds.loadresp)
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monitor_expect (w89k_cmds.loadresp, NULL, 0);
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xmodem_init_xfer (desc);
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section_size = bfd_section_size (abfd, s);
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for (i = 0; i < section_size; i += XMODEM_DATASIZE)
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{
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int numbytes;
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numbytes = min (XMODEM_DATASIZE, section_size - i);
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bfd_get_section_contents (abfd, s, buffer + XMODEM_DATAOFFSET, i,
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numbytes);
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xmodem_send_packet (desc, buffer, numbytes, hashmark);
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if (hashmark)
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{
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putchar_unfiltered ('#');
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gdb_flush (gdb_stdout);
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}
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} /* Per-packet (or S-record) loop */
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xmodem_finish_xfer (desc);
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monitor_expect_prompt (NULL, 0);
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putchar_unfiltered ('\n');
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} /* Loadable sections */
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if (hashmark)
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putchar_unfiltered ('\n');
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}
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/*
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* Define the monitor command strings. Since these are passed directly
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* through to a printf style function, we need can include formatting
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* strings. We also need a CR or LF on the end.
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*/
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static struct target_ops w89k_ops;
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static char *w89k_inits[] =
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{"\n", NULL};
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static struct monitor_ops w89k_cmds;
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static void
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init_w89k_cmds (void)
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{
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w89k_cmds.flags = MO_GETMEM_NEEDS_RANGE | MO_FILL_USES_ADDR; /* flags */
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w89k_cmds.init = w89k_inits; /* Init strings */
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w89k_cmds.cont = "g\n"; /* continue command */
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w89k_cmds.step = "t\n"; /* single step */
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w89k_cmds.stop = "\003"; /* Interrupt char (^C) */
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w89k_cmds.set_break = "bp %x\n"; /* set a breakpoint */
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w89k_cmds.clr_break = "bc %x\n"; /* clear a breakpoint */
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w89k_cmds.clr_all_break = "bc *\n"; /* clear all breakpoints */
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w89k_cmds.fill = "f %x %x %x\n"; /* memory fill cmd */
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w89k_cmds.setmem.cmdb = "eb %x %x\n"; /* setmem.cmdb (addr, value) */
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w89k_cmds.setmem.cmdw = "eh %x %x\n"; /* setmem.cmdw (addr, value) */
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w89k_cmds.setmem.cmdl = "ew %x %x\n"; /* setmem.cmdl (addr, value) */
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w89k_cmds.setmem.cmdll = NULL; /* setmem.cmdll (addr, value) */
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w89k_cmds.setmem.resp_delim = NULL; /* setreg.resp_delim */
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w89k_cmds.setmem.term = NULL; /* setreg.term */
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w89k_cmds.setmem.term_cmd = NULL; /* setreg.term_cmd */
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w89k_cmds.getmem.cmdb = "db %x %x\n"; /* getmem.cmdb (startaddr, endaddr) */
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w89k_cmds.getmem.cmdw = "dh %x %x\n"; /* getmem.cmdw (startaddr, endaddr) */
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w89k_cmds.getmem.cmdl = "dw %x %x\n"; /* getmem.cmdl (startaddr, endaddr) */
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w89k_cmds.getmem.cmdll = NULL; /* getmem.cmdll (startaddr, endaddr) */
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w89k_cmds.getmem.resp_delim = " "; /* getmem.resp_delim */
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w89k_cmds.getmem.term = NULL; /* getmem.term */
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w89k_cmds.getmem.term_cmd = NULL; /* getmem.term_cmd */
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w89k_cmds.setreg.cmd = "r %s %x\n"; /* setreg.cmd (name, value) */
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w89k_cmds.setreg.resp_delim = NULL; /* setreg.resp_delim */
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w89k_cmds.setreg.term = NULL; /* setreg.term */
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w89k_cmds.setreg.term_cmd = NULL; /* setreg.term_cmd */
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w89k_cmds.getreg.cmd = "r %s\n"; /* getreg.cmd (name) */
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w89k_cmds.getreg.resp_delim = "\r"; /* getreg.resp_delim */
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w89k_cmds.getreg.term = NULL; /* getreg.term */
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w89k_cmds.getreg.term_cmd = NULL; /* getreg.term_cmd */
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w89k_cmds.dump_registers = "r\n"; /* dump_registers */
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w89k_cmds.register_pattern = "\\(\\w+\\)\\( +[0-9a-fA-F]+\\b\\)+";
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w89k_cmds.supply_register = w89k_supply_register; /* supply_register */
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w89k_cmds.load_routine = w89k_load; /* load routine */
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w89k_cmds.load = "u %x\n"; /* download command */
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w89k_cmds.loadresp = "\021"; /* load response (^Q) */
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w89k_cmds.prompt = "ROM>"; /* monitor command prompt */
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w89k_cmds.line_term = "\n"; /* end-of-line terminator */
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w89k_cmds.cmd_end = NULL; /* optional command terminator */
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w89k_cmds.target = &w89k_ops; /* target operations */
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w89k_cmds.stopbits = SERIAL_1_STOPBITS; /* number of stop bits */
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w89k_cmds.regnames = w89k_regnames; /* register names */
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w89k_cmds.magic = MONITOR_OPS_MAGIC; /* magic */
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} /* init_w89k_cmds */
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static void
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w89k_open (char *args, int from_tty)
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{
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monitor_open (args, &w89k_cmds, from_tty);
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}
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void
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_initialize_w89k (void)
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{
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init_w89k_cmds ();
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init_monitor_ops (&w89k_ops);
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w89k_ops.to_shortname = "w89k";
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w89k_ops.to_longname = "WinBond's debug monitor for the W89k Eval board";
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w89k_ops.to_doc = "Debug on a WinBond W89K eval board.\n\
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Specify the serial device it is connected to (e.g. /dev/ttya).";
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w89k_ops.to_open = w89k_open;
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add_target (&w89k_ops);
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}
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