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authorCyrille Bagard <nocbos@gmail.com>2015-02-01 22:39:57 (GMT)
committerCyrille Bagard <nocbos@gmail.com>2015-02-01 22:39:57 (GMT)
commit5511e355e7810f06bd610b79bcc94402c88d7ec9 (patch)
tree59023590f49f01cbd4ebfa9c1e82f797315e6f36 /src/arch/arm/v7/opdefs/sub_A88221.d
parent21a05df6423bdc13ca148ff2b96aec80bf7af2b2 (diff)
Added some development assertions and avoided to load code twice.
git-svn-id: svn://svn.gna.org/svn/chrysalide/trunk@464 abbe820e-26c8-41b2-8c08-b7b2b41f8b0a
Diffstat (limited to 'src/arch/arm/v7/opdefs/sub_A88221.d')
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diff --git a/src/arch/arm/v7/opdefs/sub_A88221.d b/src/arch/arm/v7/opdefs/sub_A88221.d
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+
+/* Chrysalide - Outil d'analyse de fichiers binaires
+ * ##FILE## - traduction d'instructions ARMv7
+ *
+ * Copyright (C) 2014 Cyrille Bagard
+ *
+ * This file is part of Chrysalide.
+ *
+ * Chrysalide 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 of the License, or
+ * (at your option) any later version.
+ *
+ * Chrysalide 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 Foobar. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+
+@title SUB (immediate, Thumb)
+
+@encoding(t1) {
+
+ @half 0 0 0 1 1 1 1 imm3(3) Rn(3) Rd(3)
+
+ @syntax <Rd> <Rn> <const>
+
+ @conv {
+
+ Rd = Register(Rd)
+ Rn = Register(Rn)
+ const = ZeroExtend(imm3, 3, 32);
+
+ }
+
+ @rules {
+
+ //setflags = !InITBlock();
+
+ }
+
+}
+
+@encoding(t2) {
+
+ @half 0 0 1 1 1 Rdn(3) imm8(8)
+
+ @syntax <Rdn> <const>
+
+ @conv {
+
+ Rdn = Register(Rdn)
+ const = ZeroExtend(imm8, 8, 32);
+
+ }
+
+ @rules {
+
+ //setflags = !InITBlock();
+
+ }
+
+}
+
+@encoding(T3) {
+
+ @word 1 1 1 1 0 i(1) 0 1 1 0 1 S(1) Rn(4) 0 imm3(3) Rd(4) imm8(8)
+
+ @syntax {S} ".W" <Rd> <Rn> <const>
+
+ @conv {
+
+ S = SetFlags(S)
+ Rd = Register(Rd)
+ Rn = Register(Rn)
+ const = ThumbExpandImm_C(i:imm3:imm8, i)
+
+ }
+
+ @rules {
+
+ //if Rd == '1111' && S == '1' then SEE CMP (immediate);
+ //if Rn == '1101' then SEE SUB (SP minus immediate);
+ //if d == 13 || (d == 15 && S == '0') || n == 15 then UNPREDICTABLE;
+
+ }
+
+}
+
+@encoding(T4) {
+
+ @word 1 1 1 1 0 i(1) 1 0 1 0 1 0 Rn(4) 0 imm3(3) Rd(4) imm8(8)
+
+ @syntax "subw" <Rd> <Rn> <const>
+
+ @conv {
+
+ Rd = Register(Rd)
+ Rn = Register(Rn)
+ const = ZeroExtend((i:imm3:imm8, 12, 32)
+
+ }
+
+ @rules {
+
+ //if Rn == '1111' then SEE ADR;
+ //if Rn == '1101' then SEE SUB (SP minus immediate);
+ //if d IN {13,15} then UNPREDICTABLE;
+
+ }
+
+}