diff options
Diffstat (limited to 'gdb/remote-d10v.c')
-rw-r--r-- | gdb/remote-d10v.c | 260 |
1 files changed, 131 insertions, 129 deletions
diff --git a/gdb/remote-d10v.c b/gdb/remote-d10v.c index aaf9d68..9e4441b 100644 --- a/gdb/remote-d10v.c +++ b/gdb/remote-d10v.c @@ -2,21 +2,22 @@ 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" @@ -27,7 +28,7 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #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" @@ -85,139 +86,140 @@ remote_d10v_translate_xfer_address (memaddr, nr_bytes, targ_addr, targ_len) /* 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; |