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authorChristian Svensson <blue@cmd.nu>2014-04-22 15:57:47 +0100
committerNick Clifton <nickc@redhat.com>2014-04-22 15:57:47 +0100
commit73589c9dbddc7906fa6a150f2a2a0ff6b746e8ba (patch)
tree92412e946a93c7cee10640c68d2cd79f4e786c9f /opcodes/or32-opc.c
parenta75fef0e5bc3bfeb4eac434c1c68831f55ab597d (diff)
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Remove support for the (deprecated) openrisc and or32 configurations and replace
with support for the new or1k configuration.
Diffstat (limited to 'opcodes/or32-opc.c')
-rw-r--r--opcodes/or32-opc.c1030
1 files changed, 0 insertions, 1030 deletions
diff --git a/opcodes/or32-opc.c b/opcodes/or32-opc.c
deleted file mode 100644
index f4bc706..0000000
--- a/opcodes/or32-opc.c
+++ /dev/null
@@ -1,1030 +0,0 @@
-/* Table of opcodes for the OpenRISC 1000 ISA.
- Copyright (C) 2002-2014 Free Software Foundation, Inc.
- Contributed by Damjan Lampret (lampret@opencores.org).
-
- This file is part of the GNU opcodes library.
-
- This library 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 3, or (at your option)
- any later version.
-
- It 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., 51 Franklin Street - Fifth Floor, Boston,
- MA 02110-1301, USA. */
-
-#include "sysdep.h"
-#include <string.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include "safe-ctype.h"
-#include "ansidecl.h"
-#include "opcode/or32.h"
-
-/* We treat all letters the same in encode/decode routines so
- we need to assign some characteristics to them like signess etc. */
-
-const struct or32_letter or32_letters[] =
-{
- { 'A', NUM_UNSIGNED },
- { 'B', NUM_UNSIGNED },
- { 'D', NUM_UNSIGNED },
- { 'I', NUM_SIGNED },
- { 'K', NUM_UNSIGNED },
- { 'L', NUM_UNSIGNED },
- { 'N', NUM_SIGNED },
- { '0', NUM_UNSIGNED },
- { '\0', 0 } /* Dummy entry. */
-};
-
-/* Opcode encoding:
- machine[31:30]: first two bits of opcode
- 00 - neither of source operands is GPR
- 01 - second source operand is GPR (rB)
- 10 - first source operand is GPR (rA)
- 11 - both source operands are GPRs (rA and rB)
- machine[29:26]: next four bits of opcode
- machine[25:00]: instruction operands (specific to individual instruction)
-
- Recommendation: irrelevant instruction bits should be set with a value of
- bits in same positions of instruction preceding current instruction in the
- code (when assembling). */
-
-#define EFN &l_none
-
-#ifdef HAS_EXECUTION
-#define EF(func) &(func)
-#define EFI &l_invalid
-#else /* HAS_EXECUTION */
-#define EF(func) EFN
-#define EFI EFN
-#endif /* HAS_EXECUTION */
-
-const struct or32_opcode or32_opcodes[] =
-{
- { "l.j", "N", "00 0x0 NNNNN NNNNN NNNN NNNN NNNN NNNN", EF(l_j), OR32_IF_DELAY },
- { "l.jal", "N", "00 0x1 NNNNN NNNNN NNNN NNNN NNNN NNNN", EF(l_jal), OR32_IF_DELAY },
- { "l.bnf", "N", "00 0x3 NNNNN NNNNN NNNN NNNN NNNN NNNN", EF(l_bnf), OR32_IF_DELAY | OR32_R_FLAG},
- { "l.bf", "N", "00 0x4 NNNNN NNNNN NNNN NNNN NNNN NNNN", EF(l_bf), OR32_IF_DELAY | OR32_R_FLAG },
- { "l.nop", "K", "00 0x5 01--- ----- KKKK KKKK KKKK KKKK", EF(l_nop), 0 },
- { "l.movhi", "rD,K", "00 0x6 DDDDD ----0 KKKK KKKK KKKK KKKK", EF(l_movhi), 0 }, /*MM*/
- { "l.macrc", "rD", "00 0x6 DDDDD ----1 0000 0000 0000 0000", EF(l_macrc), 0 }, /*MM*/
-
- { "l.sys", "K", "00 0x8 00000 00000 KKKK KKKK KKKK KKKK", EF(l_sys), 0 },
- { "l.trap", "K", "00 0x8 01000 00000 KKKK KKKK KKKK KKKK", EF(l_trap), 0 }, /* CZ 21/06/01 */
- { "l.msync", "", "00 0x8 10000 00000 0000 0000 0000 0000", EFN, 0 },
- { "l.psync", "", "00 0x8 10100 00000 0000 0000 0000 0000", EFN, 0 },
- { "l.csync", "", "00 0x8 11000 00000 0000 0000 0000 0000", EFN, 0 },
- { "l.rfe", "", "00 0x9 ----- ----- ---- ---- ---- ----", EF(l_rfe), OR32_IF_DELAY },
-
- { "lv.all_eq.b","rD,rA,rB", "00 0xA DDDDD AAAAA BBBB B--- 0x1 0x0", EFI, 0 },
- { "lv.all_eq.h","rD,rA,rB", "00 0xA DDDDD AAAAA BBBB B--- 0x1 0x1", EFI, 0 },
- { "lv.all_ge.b","rD,rA,rB", "00 0xA DDDDD AAAAA BBBB B--- 0x1 0x2", EFI, 0 },
- { "lv.all_ge.h","rD,rA,rB", "00 0xA DDDDD AAAAA BBBB B--- 0x1 0x3", EFI, 0 },
- { "lv.all_gt.b","rD,rA,rB", "00 0xA DDDDD AAAAA BBBB B--- 0x1 0x4", EFI, 0 },
- { "lv.all_gt.h","rD,rA,rB", "00 0xA DDDDD AAAAA BBBB B--- 0x1 0x5", EFI, 0 },
- { "lv.all_le.b","rD,rA,rB", "00 0xA DDDDD AAAAA BBBB B--- 0x1 0x6", EFI, 0 },
- { "lv.all_le.h","rD,rA,rB", "00 0xA DDDDD AAAAA BBBB B--- 0x1 0x7", EFI, 0 },
- { "lv.all_lt.b","rD,rA,rB", "00 0xA DDDDD AAAAA BBBB B--- 0x1 0x8", EFI, 0 },
- { "lv.all_lt.h","rD,rA,rB", "00 0xA DDDDD AAAAA BBBB B--- 0x1 0x9", EFI, 0 },
- { "lv.all_ne.b","rD,rA,rB", "00 0xA DDDDD AAAAA BBBB B--- 0x1 0xA", EFI, 0 },
- { "lv.all_ne.h","rD,rA,rB", "00 0xA DDDDD AAAAA BBBB B--- 0x1 0xB", EFI, 0 },
- { "lv.any_eq.b","rD,rA,rB", "00 0xA DDDDD AAAAA BBBB B--- 0x2 0x0", EFI, 0 },
- { "lv.any_eq.h","rD,rA,rB", "00 0xA DDDDD AAAAA BBBB B--- 0x2 0x1", EFI, 0 },
- { "lv.any_ge.b","rD,rA,rB", "00 0xA DDDDD AAAAA BBBB B--- 0x2 0x2", EFI, 0 },
- { "lv.any_ge.h","rD,rA,rB", "00 0xA DDDDD AAAAA BBBB B--- 0x2 0x3", EFI, 0 },
- { "lv.any_gt.b","rD,rA,rB", "00 0xA DDDDD AAAAA BBBB B--- 0x2 0x4", EFI, 0 },
- { "lv.any_gt.h","rD,rA,rB", "00 0xA DDDDD AAAAA BBBB B--- 0x2 0x5", EFI, 0 },
- { "lv.any_le.b","rD,rA,rB", "00 0xA DDDDD AAAAA BBBB B--- 0x2 0x6", EFI, 0 },
- { "lv.any_le.h","rD,rA,rB", "00 0xA DDDDD AAAAA BBBB B--- 0x2 0x7", EFI, 0 },
- { "lv.any_lt.b","rD,rA,rB", "00 0xA DDDDD AAAAA BBBB B--- 0x2 0x8", EFI, 0 },
- { "lv.any_lt.h","rD,rA,rB", "00 0xA DDDDD AAAAA BBBB B--- 0x2 0x9", EFI, 0 },
- { "lv.any_ne.b","rD,rA,rB", "00 0xA DDDDD AAAAA BBBB B--- 0x2 0xA", EFI, 0 },
- { "lv.any_ne.h","rD,rA,rB", "00 0xA DDDDD AAAAA BBBB B--- 0x2 0xB", EFI, 0 },
- { "lv.add.b", "rD,rA,rB", "00 0xA DDDDD AAAAA BBBB B--- 0x3 0x0", EFI, 0 },
- { "lv.add.h", "rD,rA,rB", "00 0xA DDDDD AAAAA BBBB B--- 0x3 0x1", EFI, 0 },
- { "lv.adds.b", "rD,rA,rB", "00 0xA DDDDD AAAAA BBBB B--- 0x3 0x2", EFI, 0 },
- { "lv.adds.h", "rD,rA,rB", "00 0xA DDDDD AAAAA BBBB B--- 0x3 0x3", EFI, 0 },
- { "lv.addu.b", "rD,rA,rB", "00 0xA DDDDD AAAAA BBBB B--- 0x3 0x4", EFI, 0 },
- { "lv.addu.h", "rD,rA,rB", "00 0xA DDDDD AAAAA BBBB B--- 0x3 0x5", EFI, 0 },
- { "lv.addus.b","rD,rA,rB", "00 0xA DDDDD AAAAA BBBB B--- 0x3 0x6", EFI, 0 },
- { "lv.addus.h","rD,rA,rB", "00 0xA DDDDD AAAAA BBBB B--- 0x3 0x7", EFI, 0 },
- { "lv.and", "rD,rA,rB", "00 0xA DDDDD AAAAA BBBB B--- 0x3 0x8", EFI, 0 },
- { "lv.avg.b", "rD,rA,rB", "00 0xA DDDDD AAAAA BBBB B--- 0x3 0x9", EFI, 0 },
- { "lv.avg.h", "rD,rA,rB", "00 0xA DDDDD AAAAA BBBB B--- 0x3 0xA", EFI, 0 },
- { "lv.cmp_eq.b","rD,rA,rB", "00 0xA DDDDD AAAAA BBBB B--- 0x4 0x0", EFI, 0 },
- { "lv.cmp_eq.h","rD,rA,rB", "00 0xA DDDDD AAAAA BBBB B--- 0x4 0x1", EFI, 0 },
- { "lv.cmp_ge.b","rD,rA,rB", "00 0xA DDDDD AAAAA BBBB B--- 0x4 0x2", EFI, 0 },
- { "lv.cmp_ge.h","rD,rA,rB", "00 0xA DDDDD AAAAA BBBB B--- 0x4 0x3", EFI, 0 },
- { "lv.cmp_gt.b","rD,rA,rB", "00 0xA DDDDD AAAAA BBBB B--- 0x4 0x4", EFI, 0 },
- { "lv.cmp_gt.h","rD,rA,rB", "00 0xA DDDDD AAAAA BBBB B--- 0x4 0x5", EFI, 0 },
- { "lv.cmp_le.b","rD,rA,rB", "00 0xA DDDDD AAAAA BBBB B--- 0x4 0x6", EFI, 0 },
- { "lv.cmp_le.h","rD,rA,rB", "00 0xA DDDDD AAAAA BBBB B--- 0x4 0x7", EFI, 0 },
- { "lv.cmp_lt.b","rD,rA,rB", "00 0xA DDDDD AAAAA BBBB B--- 0x4 0x8", EFI, 0 },
- { "lv.cmp_lt.h","rD,rA,rB", "00 0xA DDDDD AAAAA BBBB B--- 0x4 0x9", EFI, 0 },
- { "lv.cmp_ne.b","rD,rA,rB", "00 0xA DDDDD AAAAA BBBB B--- 0x4 0xA", EFI, 0 },
- { "lv.cmp_ne.h","rD,rA,rB", "00 0xA DDDDD AAAAA BBBB B--- 0x4 0xB", EFI, 0 },
- { "lv.madds.h","rD,rA,rB", "00 0xA DDDDD AAAAA BBBB B--- 0x5 0x4", EFI, 0 },
- { "lv.max.b", "rD,rA,rB", "00 0xA DDDDD AAAAA BBBB B--- 0x5 0x5", EFI, 0 },
- { "lv.max.h", "rD,rA,rB", "00 0xA DDDDD AAAAA BBBB B--- 0x5 0x6", EFI, 0 },
- { "lv.merge.b","rD,rA,rB", "00 0xA DDDDD AAAAA BBBB B--- 0x5 0x7", EFI, 0 },
- { "lv.merge.h","rD,rA,rB", "00 0xA DDDDD AAAAA BBBB B--- 0x5 0x8", EFI, 0 },
- { "lv.min.b", "rD,rA,rB", "00 0xA DDDDD AAAAA BBBB B--- 0x5 0x9", EFI, 0 },
- { "lv.min.h", "rD,rA,rB", "00 0xA DDDDD AAAAA BBBB B--- 0x5 0xA", EFI, 0 },
- { "lv.msubs.h","rD,rA,rB", "00 0xA DDDDD AAAAA BBBB B--- 0x5 0xB", EFI, 0 },
- { "lv.muls.h", "rD,rA,rB", "00 0xA DDDDD AAAAA BBBB B--- 0x5 0xC", EFI, 0 },
- { "lv.nand", "rD,rA,rB", "00 0xA DDDDD AAAAA BBBB B--- 0x5 0xD", EFI, 0 },
- { "lv.nor", "rD,rA,rB", "00 0xA DDDDD AAAAA BBBB B--- 0x5 0xE", EFI, 0 },
- { "lv.or", "rD,rA,rB", "00 0xA DDDDD AAAAA BBBB B--- 0x5 0xF", EFI, 0 },
- { "lv.pack.b", "rD,rA,rB", "00 0xA DDDDD AAAAA BBBB B--- 0x6 0x0", EFI, 0 },
- { "lv.pack.h", "rD,rA,rB", "00 0xA DDDDD AAAAA BBBB B--- 0x6 0x1", EFI, 0 },
- { "lv.packs.b","rD,rA,rB", "00 0xA DDDDD AAAAA BBBB B--- 0x6 0x2", EFI, 0 },
- { "lv.packs.h","rD,rA,rB", "00 0xA DDDDD AAAAA BBBB B--- 0x6 0x3", EFI, 0 },
- { "lv.packus.b","rD,rA,rB", "00 0xA DDDDD AAAAA BBBB B--- 0x6 0x4", EFI, 0 },
- { "lv.packus.h","rD,rA,rB", "00 0xA DDDDD AAAAA BBBB B--- 0x6 0x5", EFI, 0 },
- { "lv.perm.n", "rD,rA,rB", "00 0xA DDDDD AAAAA BBBB B--- 0x6 0x6", EFI, 0 },
- { "lv.rl.b", "rD,rA,rB", "00 0xA DDDDD AAAAA BBBB B--- 0x6 0x7", EFI, 0 },
- { "lv.rl.h", "rD,rA,rB", "00 0xA DDDDD AAAAA BBBB B--- 0x6 0x8", EFI, 0 },
- { "lv.sll.b", "rD,rA,rB", "00 0xA DDDDD AAAAA BBBB B--- 0x6 0x9", EFI, 0 },
- { "lv.sll.h", "rD,rA,rB", "00 0xA DDDDD AAAAA BBBB B--- 0x6 0xA", EFI, 0 },
- { "lv.sll", "rD,rA,rB", "00 0xA DDDDD AAAAA BBBB B--- 0x6 0xB", EFI, 0 },
- { "lv.srl.b", "rD,rA,rB", "00 0xA DDDDD AAAAA BBBB B--- 0x6 0xC", EFI, 0 },
- { "lv.srl.h", "rD,rA,rB", "00 0xA DDDDD AAAAA BBBB B--- 0x6 0xD", EFI, 0 },
- { "lv.sra.b", "rD,rA,rB", "00 0xA DDDDD AAAAA BBBB B--- 0x6 0xE", EFI, 0 },
- { "lv.sra.h", "rD,rA,rB", "00 0xA DDDDD AAAAA BBBB B--- 0x6 0xF", EFI, 0 },
- { "lv.srl", "rD,rA,rB", "00 0xA DDDDD AAAAA BBBB B--- 0x7 0x0", EFI, 0 },
- { "lv.sub.b", "rD,rA,rB", "00 0xA DDDDD AAAAA BBBB B--- 0x7 0x1", EFI, 0 },
- { "lv.sub.h", "rD,rA,rB", "00 0xA DDDDD AAAAA BBBB B--- 0x7 0x2", EFI, 0 },
- { "lv.subs.b", "rD,rA,rB", "00 0xA DDDDD AAAAA BBBB B--- 0x7 0x3", EFI, 0 },
- { "lv.subs.h", "rD,rA,rB", "00 0xA DDDDD AAAAA BBBB B--- 0x7 0x4", EFI, 0 },
- { "lv.subu.b", "rD,rA,rB", "00 0xA DDDDD AAAAA BBBB B--- 0x7 0x5", EFI, 0 },
- { "lv.subu.h", "rD,rA,rB", "00 0xA DDDDD AAAAA BBBB B--- 0x7 0x6", EFI, 0 },
- { "lv.subus.b","rD,rA,rB", "00 0xA DDDDD AAAAA BBBB B--- 0x7 0x7", EFI, 0 },
- { "lv.subus.h","rD,rA,rB", "00 0xA DDDDD AAAAA BBBB B--- 0x7 0x8", EFI, 0 },
- { "lv.unpack.b","rD,rA,rB", "00 0xA DDDDD AAAAA BBBB B--- 0x7 0x9", EFI, 0 },
- { "lv.unpack.h","rD,rA,rB", "00 0xA DDDDD AAAAA BBBB B--- 0x7 0xA", EFI, 0 },
- { "lv.xor", "rD,rA,rB", "00 0xA DDDDD AAAAA BBBB B--- 0x7 0xB", EFI, 0 },
- { "lv.cust1", "", "00 0xA ----- ----- ---- ---- 0xC ----", EFI, 0 },
- { "lv.cust2", "", "00 0xA ----- ----- ---- ---- 0xD ----", EFI, 0 },
- { "lv.cust3", "", "00 0xA ----- ----- ---- ---- 0xE ----", EFI, 0 },
- { "lv.cust4", "", "00 0xA ----- ----- ---- ---- 0xF ----", EFI, 0 },
-
- { "lf.add.s", "rD,rA,rB", "00 0xB DDDDD AAAAA BBBB B--- 0x1 0x0", EFI, 0 },
- { "lf.sub.s", "rD,rA,rB", "00 0xB DDDDD AAAAA BBBB B--- 0x1 0x1", EFI, 0 },
- { "lf.mul.s", "rD,rA,rB", "00 0xB DDDDD AAAAA BBBB B--- 0x1 0x2", EFI, 0 },
- { "lf.div.s", "rD,rA,rB", "00 0xB DDDDD AAAAA BBBB B--- 0x1 0x3", EFI, 0 },
- { "lf.itof.s", "rD,rA", "00 0xB DDDDD AAAAA BBBB B--- 0x1 0x4", EFI, 0 },
- { "lf.ftoi.s", "rD,rA", "00 0xB DDDDD AAAAA BBBB B--- 0x1 0x5", EFI, 0 },
- { "lf.rem.s", "rD,rA,rB", "00 0xB DDDDD AAAAA BBBB B--- 0x1 0x6", EFI, 0 },
- { "lf.madd.s", "rD,rA,rB", "00 0xB DDDDD AAAAA BBBB B--- 0x1 0x7", EFI, 0 },
- { "lf.sfeq.s", "rA,rB", "00 0xB ----- AAAAA BBBB B--- 0x1 0x8", EFI, 0 },
- { "lf.sfne.s", "rA,rB", "00 0xB ----- AAAAA BBBB B--- 0x1 0x9", EFI, 0 },
- { "lf.sfgt.s", "rA,rB", "00 0xB ----- AAAAA BBBB B--- 0x1 0xA", EFI, 0 },
- { "lf.sfge.s", "rA,rB", "00 0xB ----- AAAAA BBBB B--- 0x1 0xB", EFI, 0 },
- { "lf.sflt.s", "rA,rB", "00 0xB ----- AAAAA BBBB B--- 0x1 0xC", EFI, 0 },
- { "lf.sfle.s", "rA,rB", "00 0xB ----- AAAAA BBBB B--- 0x1 0xD", EFI, 0 },
- { "lf.cust1.s", "", "00 0xB ----- ----- ---- ---- 0xE ----", EFI, 0 },
-
- { "lf.add.d", "rD,rA,rB", "00 0xC DDDDD AAAAA BBBB B--- 0x1 0x0", EFI, 0 },
- { "lf.sub.d", "rD,rA,rB", "00 0xC DDDDD AAAAA BBBB B--- 0x1 0x1", EFI, 0 },
- { "lf.mul.d", "rD,rA,rB", "00 0xC DDDDD AAAAA BBBB B--- 0x1 0x2", EFI, 0 },
- { "lf.div.d", "rD,rA,rB", "00 0xC DDDDD AAAAA BBBB B--- 0x1 0x3", EFI, 0 },
- { "lf.itof.d", "rD,rA", "00 0xC DDDDD AAAAA BBBB B--- 0x1 0x4", EFI, 0 },
- { "lf.ftoi.d", "rD,rA", "00 0xC DDDDD AAAAA BBBB B--- 0x1 0x5", EFI, 0 },
- { "lf.rem.d", "rD,rA,rB", "00 0xC DDDDD AAAAA BBBB B--- 0x1 0x6", EFI, 0 },
- { "lf.madd.d", "rD,rA,rB", "00 0xC DDDDD AAAAA BBBB B--- 0x1 0x7", EFI, 0 },
- { "lf.sfeq.d", "rA,rB", "00 0xC ----- AAAAA BBBB B--- 0x1 0x8", EFI, 0 },
- { "lf.sfne.d", "rA,rB", "00 0xC ----- AAAAA BBBB B--- 0x1 0x9", EFI, 0 },
- { "lf.sfgt.d", "rA,rB", "00 0xC ----- AAAAA BBBB B--- 0x1 0xA", EFI, 0 },
- { "lf.sfge.d", "rA,rB", "00 0xC ----- AAAAA BBBB B--- 0x1 0xB", EFI, 0 },
- { "lf.sflt.d", "rA,rB", "00 0xC ----- AAAAA BBBB B--- 0x1 0xC", EFI, 0 },
- { "lf.sfle.d", "rA,rB", "00 0xC ----- AAAAA BBBB B--- 0x1 0xD", EFI, 0 },
- { "lf.cust1.d", "", "00 0xC ----- ----- ---- ---- 0xE ----", EFI, 0 },
-
- { "lvf.ld", "rD,0(rA)", "00 0xD DDDDD AAAAA ---- ---- 0x0 0x0", EFI, 0 },
- { "lvf.lw", "rD,0(rA)", "00 0xD DDDDD AAAAA ---- ---- 0x0 0x1", EFI, 0 },
- { "lvf.sd", "0(rA),rB", "00 0xD ----- AAAAA BBBB B--- 0x1 0x0", EFI, 0 },
- { "lvf.sw", "0(rA),rB", "00 0xD ----- AAAAA BBBB B--- 0x1 0x1", EFI, 0 },
-
- { "l.jr", "rB", "01 0x1 ----- ----- BBBB B--- ---- ----", EF(l_jr), OR32_IF_DELAY },
- { "l.jalr", "rB", "01 0x2 ----- ----- BBBB B--- ---- ----", EF(l_jalr), OR32_IF_DELAY },
- { "l.maci", "rB,I", "01 0x3 IIIII ----- BBBB BIII IIII IIII", EF(l_mac), 0 },
- { "l.cust1", "", "01 0xC ----- ----- ---- ---- ---- ----", EF(l_cust1), 0 },
- { "l.cust2", "", "01 0xD ----- ----- ---- ---- ---- ----", EF(l_cust2), 0 },
- { "l.cust3", "", "01 0xE ----- ----- ---- ---- ---- ----", EF(l_cust3), 0 },
- { "l.cust4", "", "01 0xF ----- ----- ---- ---- ---- ----", EF(l_cust4), 0 },
-
- { "l.ld", "rD,I(rA)", "10 0x0 DDDDD AAAAA IIII IIII IIII IIII", EFI, 0 },
- { "l.lwz", "rD,I(rA)", "10 0x1 DDDDD AAAAA IIII IIII IIII IIII", EF(l_lwz), 0 },
- { "l.lws", "rD,I(rA)", "10 0x2 DDDDD AAAAA IIII IIII IIII IIII", EFI, 0 },
- { "l.lbz", "rD,I(rA)", "10 0x3 DDDDD AAAAA IIII IIII IIII IIII", EF(l_lbz), 0 },
- { "l.lbs", "rD,I(rA)", "10 0x4 DDDDD AAAAA IIII IIII IIII IIII", EF(l_lbs), 0 },
- { "l.lhz", "rD,I(rA)", "10 0x5 DDDDD AAAAA IIII IIII IIII IIII", EF(l_lhz), 0 },
- { "l.lhs", "rD,I(rA)", "10 0x6 DDDDD AAAAA IIII IIII IIII IIII", EF(l_lhs), 0 },
-
- { "l.addi", "rD,rA,I", "10 0x7 DDDDD AAAAA IIII IIII IIII IIII", EF(l_add), 0 },
- { "l.addic", "rD,rA,I", "10 0x8 DDDDD AAAAA IIII IIII IIII IIII", EFI, 0 },
- { "l.andi", "rD,rA,K", "10 0x9 DDDDD AAAAA KKKK KKKK KKKK KKKK", EF(l_and), 0 },
- { "l.ori", "rD,rA,K", "10 0xA DDDDD AAAAA KKKK KKKK KKKK KKKK", EF(l_or), 0 },
- { "l.xori", "rD,rA,I", "10 0xB DDDDD AAAAA IIII IIII IIII IIII", EF(l_xor), 0 },
- { "l.muli", "rD,rA,I", "10 0xC DDDDD AAAAA IIII IIII IIII IIII", EFI, 0 },
- { "l.mfspr", "rD,rA,K", "10 0xD DDDDD AAAAA KKKK KKKK KKKK KKKK", EF(l_mfspr), 0 },
- { "l.slli", "rD,rA,L", "10 0xE DDDDD AAAAA ---- ---- 00LL LLLL", EF(l_sll), 0 },
- { "l.srli", "rD,rA,L", "10 0xE DDDDD AAAAA ---- ---- 01LL LLLL", EF(l_srl), 0 },
- { "l.srai", "rD,rA,L", "10 0xE DDDDD AAAAA ---- ---- 10LL LLLL", EF(l_sra), 0 },
- { "l.rori", "rD,rA,L", "10 0xE DDDDD AAAAA ---- ---- 11LL LLLL", EFI, 0 },
-
- { "l.sfeqi", "rA,I", "10 0xF 00000 AAAAA IIII IIII IIII IIII", EF(l_sfeq), OR32_W_FLAG },
- { "l.sfnei", "rA,I", "10 0xF 00001 AAAAA IIII IIII IIII IIII", EF(l_sfne), OR32_W_FLAG },
- { "l.sfgtui", "rA,I", "10 0xF 00010 AAAAA IIII IIII IIII IIII", EF(l_sfgtu), OR32_W_FLAG },
- { "l.sfgeui", "rA,I", "10 0xF 00011 AAAAA IIII IIII IIII IIII", EF(l_sfgeu), OR32_W_FLAG },
- { "l.sfltui", "rA,I", "10 0xF 00100 AAAAA IIII IIII IIII IIII", EF(l_sfltu), OR32_W_FLAG },
- { "l.sfleui", "rA,I", "10 0xF 00101 AAAAA IIII IIII IIII IIII", EF(l_sfleu), OR32_W_FLAG },
- { "l.sfgtsi", "rA,I", "10 0xF 01010 AAAAA IIII IIII IIII IIII", EF(l_sfgts), OR32_W_FLAG },
- { "l.sfgesi", "rA,I", "10 0xF 01011 AAAAA IIII IIII IIII IIII", EF(l_sfges), OR32_W_FLAG },
- { "l.sfltsi", "rA,I", "10 0xF 01100 AAAAA IIII IIII IIII IIII", EF(l_sflts), OR32_W_FLAG },
- { "l.sflesi", "rA,I", "10 0xF 01101 AAAAA IIII IIII IIII IIII", EF(l_sfles), OR32_W_FLAG },
-
- { "l.mtspr", "rA,rB,K", "11 0x0 KKKKK AAAAA BBBB BKKK KKKK KKKK", EF(l_mtspr), 0 },
- { "l.mac", "rA,rB", "11 0x1 ----- AAAAA BBBB B--- ---- 0x1", EF(l_mac), 0 }, /*MM*/
- { "l.msb", "rA,rB", "11 0x1 ----- AAAAA BBBB B--- ---- 0x2", EF(l_msb), 0 }, /*MM*/
-
- { "l.sd", "I(rA),rB", "11 0x4 IIIII AAAAA BBBB BIII IIII IIII", EFI, 0 },
- { "l.sw", "I(rA),rB", "11 0x5 IIIII AAAAA BBBB BIII IIII IIII", EF(l_sw), 0 },
- { "l.sb", "I(rA),rB", "11 0x6 IIIII AAAAA BBBB BIII IIII IIII", EF(l_sb), 0 },
- { "l.sh", "I(rA),rB", "11 0x7 IIIII AAAAA BBBB BIII IIII IIII", EF(l_sh), 0 },
-
- { "l.add", "rD,rA,rB", "11 0x8 DDDDD AAAAA BBBB B-00 ---- 0x0", EF(l_add), 0 },
- { "l.addc", "rD,rA,rB", "11 0x8 DDDDD AAAAA BBBB B-00 ---- 0x1", EFI, 0 },
- { "l.sub", "rD,rA,rB", "11 0x8 DDDDD AAAAA BBBB B-00 ---- 0x2", EF(l_sub), 0 },
- { "l.and", "rD,rA,rB", "11 0x8 DDDDD AAAAA BBBB B-00 ---- 0x3", EF(l_and), 0 },
- { "l.or", "rD,rA,rB", "11 0x8 DDDDD AAAAA BBBB B-00 ---- 0x4", EF(l_or), 0 },
- { "l.xor", "rD,rA,rB", "11 0x8 DDDDD AAAAA BBBB B-00 ---- 0x5", EF(l_xor), 0 },
- { "l.mul", "rD,rA,rB", "11 0x8 DDDDD AAAAA BBBB B-11 ---- 0x6", EF(l_mul), 0 },
-
- { "l.sll", "rD,rA,rB", "11 0x8 DDDDD AAAAA BBBB B-00 00-- 0x8", EF(l_sll), 0 },
- { "l.srl", "rD,rA,rB", "11 0x8 DDDDD AAAAA BBBB B-00 01-- 0x8", EF(l_srl), 0 },
- { "l.sra", "rD,rA,rB", "11 0x8 DDDDD AAAAA BBBB B-00 10-- 0x8", EF(l_sra), 0 },
- { "l.ror", "rD,rA,rB", "11 0x8 DDDDD AAAAA BBBB B-00 11-- 0x8", EFI, 0 },
- { "l.div", "rD,rA,rB", "11 0x8 DDDDD AAAAA BBBB B-00 ---- 0x9", EF(l_div), 0 },
- { "l.divu", "rD,rA,rB", "11 0x8 DDDDD AAAAA BBBB B-00 ---- 0xA", EF(l_divu), 0 },
- { "l.mulu", "rD,rA,rB", "11 0x8 DDDDD AAAAA BBBB B-11 ---- 0xB", EFI, 0 },
- { "l.exths", "rD,rA,rB", "11 0x8 DDDDD AAAAA BBBB B-00 00-- 0xC", EFI, 0 },
- { "l.extbs", "rD,rA,rB", "11 0x8 DDDDD AAAAA BBBB B-00 01-- 0xC", EFI, 0 },
- { "l.exthz", "rD,rA,rB", "11 0x8 DDDDD AAAAA BBBB B-00 10-- 0xC", EFI, 0 },
- { "l.extbz", "rD,rA,rB", "11 0x8 DDDDD AAAAA BBBB B-00 11-- 0xC", EFI, 0 },
- { "l.extws", "rD,rA,rB", "11 0x8 DDDDD AAAAA BBBB B-00 00-- 0xD", EFI, 0 },
- { "l.extwz", "rD,rA,rB", "11 0x8 DDDDD AAAAA BBBB B-00 01-- 0xD", EFI, 0 },
- { "l.cmov", "rD,rA,rB", "11 0x8 DDDDD AAAAA BBBB B-00 ---- 0xE", EFI, 0 },
- { "l.ff1", "rD,rA,rB", "11 0x8 DDDDD AAAAA BBBB B-00 ---- 0xF", EFI, 0 },
-
- { "l.sfeq", "rA,rB", "11 0x9 00000 AAAAA BBBB B--- ---- ----", EF(l_sfeq), OR32_W_FLAG },
- { "l.sfne", "rA,rB", "11 0x9 00001 AAAAA BBBB B--- ---- ----", EF(l_sfne), OR32_W_FLAG },
- { "l.sfgtu", "rA,rB", "11 0x9 00010 AAAAA BBBB B--- ---- ----", EF(l_sfgtu), OR32_W_FLAG },
- { "l.sfgeu", "rA,rB", "11 0x9 00011 AAAAA BBBB B--- ---- ----", EF(l_sfgeu), OR32_W_FLAG },
- { "l.sfltu", "rA,rB", "11 0x9 00100 AAAAA BBBB B--- ---- ----", EF(l_sfltu), OR32_W_FLAG },
- { "l.sfleu", "rA,rB", "11 0x9 00101 AAAAA BBBB B--- ---- ----", EF(l_sfleu), OR32_W_FLAG },
- { "l.sfgts", "rA,rB", "11 0x9 01010 AAAAA BBBB B--- ---- ----", EF(l_sfgts), OR32_W_FLAG },
- { "l.sfges", "rA,rB", "11 0x9 01011 AAAAA BBBB B--- ---- ----", EF(l_sfges), OR32_W_FLAG },
- { "l.sflts", "rA,rB", "11 0x9 01100 AAAAA BBBB B--- ---- ----", EF(l_sflts), OR32_W_FLAG },
- { "l.sfles", "rA,rB", "11 0x9 01101 AAAAA BBBB B--- ---- ----", EF(l_sfles), OR32_W_FLAG },
-
- { "l.cust5", "", "11 0xC ----- ----- ---- ---- ---- ----", EFI, 0 },
- { "l.cust6", "", "11 0xD ----- ----- ---- ---- ---- ----", EFI, 0 },
- { "l.cust7", "", "11 0xE ----- ----- ---- ---- ---- ----", EFI, 0 },
- { "l.cust8", "", "11 0xF ----- ----- ---- ---- ---- ----", EFI, 0 },
-
- /* This section should not be defined in or1ksim, since it contains duplicates,
- which would cause machine builder to complain. */
-#ifdef HAS_CUST
- { "l.cust5_1", "rD", "11 0xC DDDDD ----- ---- ---- ---- ----", EFI, 0 },
- { "l.cust5_2", "rD,rA" , "11 0xC DDDDD AAAAA ---- ---- ---- ----", EFI, 0 },
- { "l.cust5_3", "rD,rA,rB", "11 0xC DDDDD AAAAA BBBB B--- ---- ----", EFI, 0 },
-
- { "l.cust6_1", "rD", "11 0xD DDDDD ----- ---- ---- ---- ----", EFI, 0 },
- { "l.cust6_2", "rD,rA" , "11 0xD DDDDD AAAAA ---- ---- ---- ----", EFI, 0 },
- { "l.cust6_3", "rD,rA,rB", "11 0xD DDDDD AAAAA BBBB B--- ---- ----", EFI, 0 },
-
- { "l.cust7_1", "rD", "11 0xE DDDDD ----- ---- ---- ---- ----", EFI, 0 },
- { "l.cust7_2", "rD,rA" , "11 0xE DDDDD AAAAA ---- ---- ---- ----", EFI, 0 },
- { "l.cust7_3", "rD,rA,rB", "11 0xE DDDDD AAAAA BBBB B--- ---- ----", EFI, 0 },
-
- { "l.cust8_1", "rD", "11 0xF DDDDD ----- ---- ---- ---- ----", EFI, 0 },
- { "l.cust8_2", "rD,rA" , "11 0xF DDDDD AAAAA ---- ---- ---- ----", EFI, 0 },
- { "l.cust8_3", "rD,rA,rB", "11 0xF DDDDD AAAAA BBBB B--- ---- ----", EFI, 0 },
-#endif
-
- /* Dummy entry, not included in num_opcodes. This
- lets code examine entry i+1 without checking
- if we've run off the end of the table. */
- { "", "", "", EFI, 0 }
-};
-
-#undef EFI
-#undef EFN
-#undef EF
-
-/* Define dummy, if debug is not defined. */
-
-#if !defined HAS_DEBUG
-static void ATTRIBUTE_PRINTF_2
-debug (int level ATTRIBUTE_UNUSED, const char *format ATTRIBUTE_UNUSED, ...)
-{
-}
-#endif
-
-const unsigned int or32_num_opcodes = ((sizeof(or32_opcodes)) / (sizeof(struct or32_opcode))) - 1;
-
-/* Calculates instruction length in bytes. Always 4 for OR32. */
-
-int
-insn_len (int i_index ATTRIBUTE_UNUSED)
-{
- return 4;
-}
-
-/* Is individual insn's operand signed or unsigned? */
-
-int
-letter_signed (char l)
-{
- const struct or32_letter *pletter;
-
- for (pletter = or32_letters; pletter->letter != '\0'; pletter++)
- if (pletter->letter == l)
- return pletter->sign;
-
- printf ("letter_signed(%c): Unknown letter.\n", l);
- return 0;
-}
-
-/* Number of letters in the individual lettered operand. */
-
-int
-letter_range (char l)
-{
- const struct or32_opcode *pinsn;
- char *enc;
- int range = 0;
-
- for (pinsn = or32_opcodes; strlen (pinsn->name); pinsn ++)
- {
- if (strchr (pinsn->encoding,l))
- {
- for (enc = pinsn->encoding; *enc != '\0'; enc ++)
- if ((*enc == '0') && (*(enc + 1) == 'x'))
- enc += 2;
- else if (*enc == l)
- range++;
- return range;
- }
- }
-
- printf ("\nABORT: letter_range(%c): Never used letter.\n", l);
- exit (1);
-}
-
-/* MM: Returns index of given instruction name. */
-
-int
-insn_index (char *insn)
-{
- unsigned int i;
- int found = -1;
-
- for (i = 0; i < or32_num_opcodes; i++)
- if (!strcmp (or32_opcodes[i].name, insn))
- {
- found = i;
- break;
- }
- return found;
-}
-
-const char *
-insn_name (int op_index)
-{
- if (op_index >= 0 && op_index < (int) or32_num_opcodes)
- return or32_opcodes[op_index].name;
- else
- return "???";
-}
-
-void
-l_none (void)
-{
-}
-
-/* Finite automata for instruction decoding building code. */
-
-/* Find simbols in encoding. */
-
-static unsigned long
-insn_extract (char param_ch, char *enc_initial)
-{
- char *enc;
- unsigned long ret = 0;
- unsigned opc_pos = 32;
-
- for (enc = enc_initial; *enc != '\0'; )
- if ((*enc == '0') && (*(enc + 1) == 'x'))
- {
- unsigned long tmp = strtol (enc+2, NULL, 16);
-
- opc_pos -= 4;
- if (param_ch == '0' || param_ch == '1')
- {
- if (param_ch == '0')
- tmp = 15 - tmp;
- ret |= tmp << opc_pos;
- }
- enc += 3;
- }
- else
- {
- if (*enc == '0' || *enc == '1' || *enc == '-' || ISALPHA (*enc))
- {
- opc_pos--;
- if (param_ch == *enc)
- ret |= 1 << opc_pos;
- }
- enc++;
- }
- return ret;
-}
-
-#define MAX_AUTOMATA_SIZE 1200
-#define MAX_OP_TABLE_SIZE 1200
-#define LEAF_FLAG 0x80000000
-#define MAX_LEN 8
-
-#ifndef MIN
-#define MIN(x, y) ((x) < (y) ? (x) : (y))
-#endif
-
-unsigned long *automata;
-int nuncovered;
-int curpass = 0;
-
-/* MM: Struct that hold runtime build information about instructions. */
-struct temp_insn_struct
-{
- unsigned long insn;
- unsigned long insn_mask;
- int in_pass;
-} *ti;
-
-struct insn_op_struct *op_data, **op_start;
-
-/* Recursive utility function used to find best match and to build automata. */
-
-static unsigned long *
-cover_insn (unsigned long * cur, int pass, unsigned int mask)
-{
- int best_first = 0, last_match = -1, ninstr = 0;
- unsigned int best_len = 0;
- unsigned int i;
- unsigned long cur_mask = mask;
- unsigned long *next;
-
- for (i = 0; i < or32_num_opcodes; i++)
- if (ti[i].in_pass == pass)
- {
- cur_mask &= ti[i].insn_mask;
- ninstr++;
- last_match = i;
- }
-
- debug (8, "%08X %08lX\n", mask, cur_mask);
-
- if (ninstr == 0)
- return 0;
-
- if (ninstr == 1)
- {
- /* Leaf holds instruction index. */
- debug (8, "%li>I%i %s\n",
- (long)(cur - automata), last_match, or32_opcodes[last_match].name);
-
- *cur = LEAF_FLAG | last_match;
- cur++;
- nuncovered--;
- }
- else
- {
- /* Find longest match. */
- for (i = 0; i < 32; i++)
- {
- unsigned int len;
-
- for (len = best_len + 1; len < MIN (MAX_LEN, 33 - i); len++)
- {
- unsigned long m = (1UL << ((unsigned long) len)) - 1;
-
- debug (9, " (%i(%08lX & %08lX>>%i = %08lX, %08lX)",
- len,m, cur_mask, i, (cur_mask >> (unsigned)i),
- (cur_mask >> (unsigned) i) & m);
-
- if ((m & (cur_mask >> (unsigned) i)) == m)
- {
- best_len = len;
- best_first = i;
- debug (9, "!");
- }
- else
- break;
- }
- }
-
- debug (9, "\n");
-
- if (!best_len)
- {
- fprintf (stderr, "%i instructions match mask 0x%08X:\n", ninstr, mask);
-
- for (i = 0; i < or32_num_opcodes; i++)
- if (ti[i].in_pass == pass)
- fprintf (stderr, "%s ", or32_opcodes[i].name);
-
- fprintf (stderr, "\n");
- exit (1);
- }
-
- debug (8, "%li> #### %i << %i (%i) ####\n",
- (long)(cur - automata), best_len, best_first, ninstr);
-
- *cur = best_first;
- cur++;
- *cur = (1 << best_len) - 1;
- cur++;
- next = cur;
-
- /* Allocate space for pointers. */
- cur += 1 << best_len;
- cur_mask = (1 << (unsigned long) best_len) - 1;
-
- for (i = 0; i < ((unsigned) 1 << best_len); i++)
- {
- unsigned int j;
- unsigned long *c;
-
- curpass++;
- for (j = 0; j < or32_num_opcodes; j++)
- if (ti[j].in_pass == pass
- && ((ti[j].insn >> best_first) & cur_mask) == (unsigned long) i
- && ((ti[j].insn_mask >> best_first) & cur_mask) == cur_mask)
- ti[j].in_pass = curpass;
-
- debug (9, "%08X %08lX %i\n", mask, cur_mask, best_first);
- c = cover_insn (cur, curpass, mask & (~(cur_mask << best_first)));
- if (c)
- {
- debug (8, "%li> #%X -> %lu\n", (long)(next - automata), i,
- (unsigned long)(cur - automata));
- *next = cur - automata;
- cur = c;
- }
- else
- {
- debug (8, "%li> N/A\n", (long)(next - automata));
- *next = 0;
- }
- next++;
- }
- }
- return cur;
-}
-
-/* Returns number of nonzero bits. */
-
-static int
-num_ones (unsigned long value)
-{
- int c = 0;
-
- while (value)
- {
- if (value & 1)
- c++;
- value >>= 1;
- }
- return c;
-}
-
-/* Utility function, which converts parameters from or32_opcode
- format to more binary form. Parameters are stored in ti struct. */
-
-static struct insn_op_struct *
-parse_params (const struct or32_opcode * opcode,
- struct insn_op_struct * cur)
-{
- char *args = opcode->args;
- int i, type;
-
- i = 0;
- type = 0;
- /* In case we don't have any parameters, we add dummy read from r0. */
-
- if (!(*args))
- {
- cur->type = OPTYPE_REG | OPTYPE_OP | OPTYPE_LAST;
- cur->data = 0;
- debug (9, "#%08lX %08lX\n", cur->type, cur->data);
- cur++;
- return cur;
- }
-
- while (*args != '\0')
- {
- if (*args == 'r')
- {
- args++;
- type |= OPTYPE_REG;
- }
- else if (ISALPHA (*args))
- {
- unsigned long arg;
-
- arg = insn_extract (*args, opcode->encoding);
- debug (9, "%s : %08lX ------\n", opcode->name, arg);
- if (letter_signed (*args))
- {
- type |= OPTYPE_SIG;
- type |= ((num_ones (arg) - 1) << OPTYPE_SBIT_SHR) & OPTYPE_SBIT;
- }
-
- /* Split argument to sequences of consecutive ones. */
- while (arg)
- {
- int shr = 0;
- unsigned long tmp = arg, mask = 0;
-
- while ((tmp & 1) == 0)
- {
- shr++;
- tmp >>= 1;
- }
- while (tmp & 1)
- {
- mask++;
- tmp >>= 1;
- }
- cur->type = type | shr;
- cur->data = mask;
- arg &= ~(((1 << mask) - 1) << shr);
- debug (6, "|%08lX %08lX\n", cur->type, cur->data);
- cur++;
- }
- args++;
- }
- else if (*args == '(')
- {
- /* Next param is displacement.
- Later we will treat them as one operand. */
- cur--;
- cur->type = type | cur->type | OPTYPE_DIS | OPTYPE_OP;
- debug (9, ">%08lX %08lX\n", cur->type, cur->data);
- cur++;
- type = 0;
- i++;
- args++;
- }
- else if (*args == OPERAND_DELIM)
- {
- cur--;
- cur->type = type | cur->type | OPTYPE_OP;
- debug (9, ">%08lX %08lX\n", cur->type, cur->data);
- cur++;
- type = 0;
- i++;
- args++;
- }
- else if (*args == '0')
- {
- cur->type = type;
- cur->data = 0;
- debug (9, ">%08lX %08lX\n", cur->type, cur->data);
- cur++;
- type = 0;
- i++;
- args++;
- }
- else if (*args == ')')
- args++;
- else
- {
- fprintf (stderr, "%s : parse error in args.\n", opcode->name);
- exit (1);
- }
- }
-
- cur--;
- cur->type = type | cur->type | OPTYPE_OP | OPTYPE_LAST;
- debug (9, "#%08lX %08lX\n", cur->type, cur->data);
- cur++;
-
- return cur;
-}
-
-/* Constructs new automata based on or32_opcodes array. */
-
-void
-build_automata (void)
-{
- unsigned int i;
- unsigned long *end;
- struct insn_op_struct *cur;
-
- automata = malloc (MAX_AUTOMATA_SIZE * sizeof (unsigned long));
- ti = malloc (sizeof (struct temp_insn_struct) * or32_num_opcodes);
-
- nuncovered = or32_num_opcodes;
- printf ("Building automata... ");
- /* Build temporary information about instructions. */
- for (i = 0; i < or32_num_opcodes; i++)
- {
- unsigned long ones, zeros;
- char *encoding = or32_opcodes[i].encoding;
-
- ones = insn_extract('1', encoding);
- zeros = insn_extract('0', encoding);
-
- ti[i].insn_mask = ones | zeros;
- ti[i].insn = ones;
- ti[i].in_pass = curpass = 0;
-
- /*debug(9, "%s: %s %08X %08X\n", or32_opcodes[i].name,
- or32_opcodes[i].encoding, ti[i].insn_mask, ti[i].insn);*/
- }
-
- /* Until all are covered search for best criteria to separate them. */
- end = cover_insn (automata, curpass, 0xFFFFFFFF);
-
- if (end - automata > MAX_AUTOMATA_SIZE)
- {
- fprintf (stderr, "Automata too large. Increase MAX_AUTOMATA_SIZE.");
- exit (1);
- }
-
- printf ("done, num uncovered: %i/%i.\n", nuncovered, or32_num_opcodes);
- printf ("Parsing operands data... ");
-
- op_data = malloc (MAX_OP_TABLE_SIZE * sizeof (struct insn_op_struct));
- op_start = malloc (or32_num_opcodes * sizeof (struct insn_op_struct *));
- cur = op_data;
-
- for (i = 0; i < or32_num_opcodes; i++)
- {
- op_start[i] = cur;
- cur = parse_params (&or32_opcodes[i], cur);
-
- if (cur - op_data > MAX_OP_TABLE_SIZE)
- {
- fprintf (stderr, "Operands table too small, increase MAX_OP_TABLE_SIZE.\n");
- exit (1);
- }
- }
- printf ("done.\n");
-}
-
-void
-destruct_automata (void)
-{
- free (ti);
- free (automata);
- free (op_data);
- free (op_start);
-}
-
-/* Decodes instruction and returns instruction index. */
-
-int
-insn_decode (unsigned int insn)
-{
- unsigned long *a = automata;
- int i;
-
- while (!(*a & LEAF_FLAG))
- {
- unsigned int first = *a;
-
- debug (9, "%li ", (long)(a - automata));
-
- a++;
- i = (insn >> first) & *a;
- a++;
- if (!*(a + i))
- {
- /* Invalid instruction found? */
- debug (9, "XXX\n");
- return -1;
- }
- a = automata + *(a + i);
- }
-
- i = *a & ~LEAF_FLAG;
-
- debug (9, "%i\n", i);
-
- /* Final check - do we have direct match?
- (based on or32_opcodes this should be the only possibility,
- but in case of invalid/missing instruction we must perform a check) */
- if ((ti[i].insn_mask & insn) == ti[i].insn)
- return i;
- else
- return -1;
-}
-
-static char disassembled_str[50];
-char *disassembled = &disassembled_str[0];
-
-/* Automagically does zero- or sign- extension and also finds correct
- sign bit position if sign extension is correct extension. Which extension
- is proper is figured out from letter description. */
-
-static unsigned long
-extend_imm (unsigned long imm, char l)
-{
- unsigned long mask;
- int letter_bits;
-
- /* First truncate all bits above valid range for this letter
- in case it is zero extend. */
- letter_bits = letter_range (l);
- mask = (1 << letter_bits) - 1;
- imm &= mask;
-
- /* Do sign extend if this is the right one. */
- if (letter_signed(l) && (imm >> (letter_bits - 1)))
- imm |= (~mask);
-
- return imm;
-}
-
-static unsigned long
-or32_extract (char param_ch, char *enc_initial, unsigned long insn)
-{
- char *enc;
- unsigned long ret = 0;
- int opc_pos = 0;
- int param_pos = 0;
-
- for (enc = enc_initial; *enc != '\0'; enc++)
- if (*enc == param_ch)
- {
- if (enc - 2 >= enc_initial && (*(enc - 2) == '0') && (*(enc - 1) == 'x'))
- continue;
- else
- param_pos++;
- }
-
-#if DEBUG
- printf ("or32_extract: %x ", param_pos);
-#endif
- opc_pos = 32;
-
- for (enc = enc_initial; *enc != '\0'; )
- if ((*enc == '0') && (*(enc + 1) == 'x'))
- {
- opc_pos -= 4;
- if ((param_ch == '0') || (param_ch == '1'))
- {
- unsigned long tmp = strtol (enc, NULL, 16);
-#if DEBUG
- printf (" enc=%s, tmp=%lx ", enc, tmp);
-#endif
- if (param_ch == '0')
- tmp = 15 - tmp;
- ret |= tmp << opc_pos;
- }
- enc += 3;
- }
- else if ((*enc == '0') || (*enc == '1'))
- {
- opc_pos--;
- if (param_ch == *enc)
- ret |= 1 << opc_pos;
- enc++;
- }
- else if (*enc == param_ch)
- {
- opc_pos--;
- param_pos--;
-#if DEBUG
- printf ("\n ret=%lx opc_pos=%x, param_pos=%x\n", ret, opc_pos, param_pos);
-#endif
- if (ISLOWER (param_ch))
- ret -= ((insn >> opc_pos) & 0x1) << param_pos;
- else
- ret += ((insn >> opc_pos) & 0x1) << param_pos;
- enc++;
- }
- else if (ISALPHA (*enc))
- {
- opc_pos--;
- enc++;
- }
- else if (*enc == '-')
- {
- opc_pos--;
- enc++;
- }
- else
- enc++;
-
-#if DEBUG
- printf ("ret=%lx\n", ret);
-#endif
- return ret;
-}
-
-/* Print register. Used only by print_insn. */
-
-static void
-or32_print_register (char param_ch, char *encoding, unsigned long insn)
-{
- int regnum = or32_extract(param_ch, encoding, insn);
- char s_regnum[20];
-
- sprintf (s_regnum, "r%d", regnum);
- strcat (disassembled, s_regnum);
-}
-
-/* Print immediate. Used only by print_insn. */
-
-static void
-or32_print_immediate (char param_ch, char *encoding, unsigned long insn)
-{
- int imm = or32_extract (param_ch, encoding, insn);
- char s_imm[20];
-
- imm = extend_imm (imm, param_ch);
-
- if (letter_signed (param_ch))
- {
- if (imm < 0)
- sprintf (s_imm, "%d", imm);
- else
- sprintf (s_imm, "0x%x", imm);
- }
- else
- sprintf (s_imm, "%#x", imm);
- strcat (disassembled, s_imm);
-}
-
-/* Disassemble one instruction from insn to disassemble.
- Return the size of the instruction. */
-
-int
-disassemble_insn (unsigned long insn)
-{
- int op_index;
- op_index = insn_decode (insn);
-
- if (op_index >= 0)
- {
- struct or32_opcode const *opcode = &or32_opcodes[op_index];
- char *s;
-
- sprintf (disassembled, "%s ", opcode->name);
- for (s = opcode->args; *s != '\0'; ++s)
- {
- switch (*s)
- {
- case '\0':
- return 4;
-
- case 'r':
- or32_print_register (*++s, opcode->encoding, insn);
- break;
-
- default:
- if (strchr (opcode->encoding, *s))
- or32_print_immediate (*s, opcode->encoding, insn);
- else
- {
- char s_encoding[2] = { *s, '\0' };
-
- strcat (disassembled, s_encoding);
- }
-
- }
- }
- }
- else
- {
- char s_insn[20];
-
- /* This used to be %8x for binutils. */
- sprintf (s_insn, ".word 0x%08lx", insn);
- strcat (disassembled, s_insn);
- }
-
- return insn_len (insn);
-}