diff options
Diffstat (limited to 'src/arch/arm/v7/opdefs/ldr_A8863.d')
-rw-r--r-- | src/arch/arm/v7/opdefs/ldr_A8863.d | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/src/arch/arm/v7/opdefs/ldr_A8863.d b/src/arch/arm/v7/opdefs/ldr_A8863.d new file mode 100644 index 0000000..2526671 --- /dev/null +++ b/src/arch/arm/v7/opdefs/ldr_A8863.d @@ -0,0 +1,81 @@ + +/* 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 LDR (immediate, ARM) + +@encoding(A11) { + + @word cond(4) 0 1 0 1 U(1) 0 W(1) 1 Rn(4) Rt(4) imm12(12) + + @syntax <Rgt> <access> + + @conv { + + Rgt = Register(Rt) + Rgn = Register(Rn) + imm32 = ZeroExtend(imm12, 12, 32); + access = MakeMemoryAccess(Rgn, imm32, U, 1) + + } + + @rules { + + //if Rn == '1111' then SEE LDR (literal); + //if P == '0' && W == '1' then SEE LDRT; + //if Rn == '1101' && P == '0' && U == '1' && W == '0' && imm12 == '000000000100' then SEE POP; + //t = UInt(Rt); n = UInt(Rn); imm32 = ZeroExtend(imm12, 32); + //index = (P == '1'); add = (U == '1'); wback = (P == '0') || (W == '1'); + //if wback && n == t then UNPREDICTABLE; + + } + +} + +@encoding(A12) { + + @word cond(4) 0 1 0 0 U(1) 0 W(1) 0 Rn(4) Rt(4) imm12(12) + + @syntax <Rgt> <base> <offset> + + @conv { + + Rgt = Register(Rt) + Rgn = Register(Rn) + imm32 = ZeroExtend(imm12, 12, 32); + base = MakeMemoryNotIndexed(Rgn, W) + offset = MakeAccessOffset(U, imm32) + + } + + @rules { + + //if Rn == '1111' then SEE LDR (literal); + //if P == '0' && W == '1' then SEE LDRT; + //if Rn == '1101' && P == '0' && U == '1' && W == '0' && imm12 == '000000000100' then SEE POP; + //t = UInt(Rt); n = UInt(Rn); imm32 = ZeroExtend(imm12, 32); + //index = (P == '1'); add = (U == '1'); wback = (P == '0') || (W == '1'); + //if wback && n == t then UNPREDICTABLE; + + } + +} |