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Diffstat (limited to 'plugins/arm/v7/opdefs/A88221_sub.d')
-rw-r--r-- | plugins/arm/v7/opdefs/A88221_sub.d | 149 |
1 files changed, 149 insertions, 0 deletions
diff --git a/plugins/arm/v7/opdefs/A88221_sub.d b/plugins/arm/v7/opdefs/A88221_sub.d new file mode 100644 index 0000000..415c99e --- /dev/null +++ b/plugins/arm/v7/opdefs/A88221_sub.d @@ -0,0 +1,149 @@ + +/* Chrysalide - Outil d'analyse de fichiers binaires + * ##FILE## - traduction d'instructions ARMv7 + * + * Copyright (C) 2017 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 Chrysalide. If not, see <http://www.gnu.org/licenses/>. + */ + + +@title SUB (immediate, Thumb) + +@id 214 + +@desc { + + This instruction subtracts an immediate value from a register value, and writes the result to the destination register. It can optionally update the condition flags based on the result. + +} + +@encoding (t1) { + + @half 0 0 0 1 1 1 1 imm3(3) Rn(3) Rd(3) + + @syntax { + + @subid 673 + + @conv { + + reg_D = Register(Rd) + reg_N = Register(Rn) + imm32 = ZeroExtend(imm3, 32) + + } + + @asm sub ?reg_D reg_N imm32 + + } + +} + +@encoding (t2) { + + @half 0 0 1 1 1 Rdn(3) imm8(8) + + @syntax { + + @subid 674 + + @conv { + + reg_D = Register(Rdn) + reg_N = Register(Rdn) + imm32 = ZeroExtend(imm8, 32) + + } + + @asm sub ?reg_D reg_N imm32 + + } + +} + +@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 { + + @subid 675 + + @assert { + + S == 0 + + } + + @conv { + + reg_D = Register(Rd) + reg_N = Register(Rn) + imm32 = ThumbExpandImm(i:imm3:imm8) + + } + + @asm sub.w ?reg_D reg_N imm32 + + } + + @syntax { + + @subid 676 + + @assert { + + S == 1 + + } + + @conv { + + reg_D = Register(Rd) + reg_N = Register(Rn) + imm32 = ThumbExpandImm(i:imm3:imm8) + + } + + @asm subs.w ?reg_D reg_N imm32 + + } + +} + +@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 { + + @subid 677 + + @conv { + + reg_D = Register(Rd) + reg_N = Register(Rn) + imm32 = ZeroExtend(i:imm3:imm8, 32) + + } + + @asm subw ?reg_D reg_N imm32 + + } + +} + |