Copyright 1988, 1991, 1992, 1993, 1994, 1995, 1996, 1997 Free
Software Foundation, Inc.
-This file is part of GDB.
+ 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 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.
+ 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. */
+ 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 "gdb_string.h"
#include "symfile.h"
#include "target.h"
#include "wait.h"
-/*#include "terminal.h"*/
+/*#include "terminal.h" */
#include "gdbcmd.h"
#include "objfiles.h"
#include "gdb-stabs.h"
/* GDB interprets addresses as:
- 0x00xxxxxx: Logical data address segment (DMAP translated memory)
- 0x01xxxxxx: Logical instruction address segment (IMAP translated memory)
- 0x10xxxxxx: Physical data memory segment (On-chip data memory)
- 0x11xxxxxx: Physical instruction memory segment (On-chip insn memory)
- 0x12xxxxxx: Phisical unified memory segment (Unified memory)
+ 0x00xxxxxx: Logical data address segment (DMAP translated memory)
+ 0x01xxxxxx: Logical instruction address segment (IMAP translated memory)
+ 0x10xxxxxx: Physical data memory segment (On-chip data memory)
+ 0x11xxxxxx: Physical instruction memory segment (On-chip insn memory)
+ 0x12xxxxxx: Phisical unified memory segment (Unified memory)
The remote d10v board interprets addresses as:
- 0x00xxxxxx: Phisical unified memory segment (Unified memory)
- 0x01xxxxxx: Physical instruction memory segment (On-chip insn memory)
- 0x02xxxxxx: Physical data memory segment (On-chip data memory)
+ 0x00xxxxxx: Phisical unified memory segment (Unified memory)
+ 0x01xxxxxx: Physical instruction memory segment (On-chip insn memory)
+ 0x02xxxxxx: Physical data memory segment (On-chip data memory)
Translate according to current IMAP/dmap registers */
- enum {
- targ_unified = 0x00000000,
- targ_insn = 0x01000000,
- targ_data = 0x02000000,
- };
+ enum
+ {
+ targ_unified = 0x00000000,
+ targ_insn = 0x01000000,
+ targ_data = 0x02000000,
+ };
seg = (memaddr >> 24);
off = (memaddr & 0xffffffL);
- switch (seg)
+ switch (seg)
+ {
+ case 0x00: /* in logical data address segment */
{
- case 0x00: /* in logical data address segment */
- {
- from = "logical-data";
- if (off <= 0x7fffL)
- {
- /* On chip data */
- phys = targ_data + off;
- if (off + nr_bytes > 0x7fffL)
- /* don't cross VM boundary */
- nr_bytes = 0x7fffL - off + 1;
- to = "chip-data";
- }
- else if (off <= 0xbfffL)
- {
- short map = dmap;
- if (map & 0x1000)
- {
- /* Instruction memory */
- phys = targ_insn | ((map & 0xf) << 14) | (off & 0x3fff);
- to = "chip-insn";
- }
- else
- {
- /* Unified memory */
- phys = targ_unified | ((map & 0x3ff) << 14) | (off & 0x3fff);
- to = "unified";
- }
- if (off + nr_bytes > 0xbfffL)
- /* don't cross VM boundary */
- nr_bytes = (0xbfffL - off + 1);
- }
- else
- {
- /* Logical address out side of data segments, not supported */
- *targ_len = 0;
- return;
- }
- break;
- }
-
- case 0x01: /* in logical instruction address segment */
- {
- short map;
- from = "logical-insn";
- if (off <= 0x1ffffL)
- {
- map = imap0;
- }
- else if (off <= 0x3ffffL)
- {
- map = imap1;
- }
- else
- {
- /* Logical address outside of IMAP[01] segment, not
- supported */
- *targ_len = 0;
- return;
- }
- if ((off & 0x1ffff) + nr_bytes > 0x1ffffL)
- {
+ from = "logical-data";
+ if (off <= 0x7fffL)
+ {
+ /* On chip data */
+ phys = targ_data + off;
+ if (off + nr_bytes > 0x7fffL)
/* don't cross VM boundary */
- nr_bytes = 0x1ffffL - (off & 0x1ffffL) + 1;
- }
- if (map & 0x1000)
- /* Instruction memory */
- {
- phys = targ_insn | off;
- to = "chip-insn";
- }
- else
- {
- phys = ((map & 0x7fL) << 17) + (off & 0x1ffffL);
- if (phys > 0xffffffL)
- {
- /* Address outside of unified address segment */
- *targ_len = 0;
- return;
- }
- phys |= targ_unified;
- to = "unified";
- }
- break;
- }
-
- case 0x10: /* Physical data memory segment */
- from = "phys-data";
- phys = targ_data | off;
- to = "chip-data";
- break;
-
- case 0x11: /* Physical instruction memory */
- from = "phys-insn";
- phys = targ_insn | off;
- to = "chip-insn";
+ nr_bytes = 0x7fffL - off + 1;
+ to = "chip-data";
+ }
+ else if (off <= 0xbfffL)
+ {
+ short map = dmap;
+ if (map & 0x1000)
+ {
+ /* Instruction memory */
+ phys = targ_insn | ((map & 0xf) << 14) | (off & 0x3fff);
+ to = "chip-insn";
+ }
+ else
+ {
+ /* Unified memory */
+ phys = targ_unified | ((map & 0x3ff) << 14) | (off & 0x3fff);
+ to = "unified";
+ }
+ if (off + nr_bytes > 0xbfffL)
+ /* don't cross VM boundary */
+ nr_bytes = (0xbfffL - off + 1);
+ }
+ else
+ {
+ /* Logical address out side of data segments, not supported */
+ *targ_len = 0;
+ return;
+ }
break;
+ }
- case 0x12: /* Physical unified memory */
- from = "phys-unified";
- phys = targ_unified | off;
- to = "unified";
+ case 0x01: /* in logical instruction address segment */
+ {
+ short map;
+ from = "logical-insn";
+ if (off <= 0x1ffffL)
+ {
+ map = imap0;
+ }
+ else if (off <= 0x3ffffL)
+ {
+ map = imap1;
+ }
+ else
+ {
+ /* Logical address outside of IMAP[01] segment, not
+ supported */
+ *targ_len = 0;
+ return;
+ }
+ if ((off & 0x1ffff) + nr_bytes > 0x1ffffL)
+ {
+ /* don't cross VM boundary */
+ nr_bytes = 0x1ffffL - (off & 0x1ffffL) + 1;
+ }
+ if (map & 0x1000)
+ /* Instruction memory */
+ {
+ phys = targ_insn | off;
+ to = "chip-insn";
+ }
+ else
+ {
+ phys = ((map & 0x7fL) << 17) + (off & 0x1ffffL);
+ if (phys > 0xffffffL)
+ {
+ /* Address outside of unified address segment */
+ *targ_len = 0;
+ return;
+ }
+ phys |= targ_unified;
+ to = "unified";
+ }
break;
-
- default:
- *targ_len = 0;
- return;
}
+ case 0x10: /* Physical data memory segment */
+ from = "phys-data";
+ phys = targ_data | off;
+ to = "chip-data";
+ break;
+
+ case 0x11: /* Physical instruction memory */
+ from = "phys-insn";
+ phys = targ_insn | off;
+ to = "chip-insn";
+ break;
+
+ case 0x12: /* Physical unified memory */
+ from = "phys-unified";
+ phys = targ_unified | off;
+ to = "unified";
+ break;
+
+ default:
+ *targ_len = 0;
+ return;
+ }
+
*targ_addr = phys;
*targ_len = nr_bytes;
projects / thirdparty / binutils-gdb.git / blobdiff