diff options
Diffstat (limited to 'plugins/arm/v7/opdefs/cb_A8829.d')
| -rw-r--r-- | plugins/arm/v7/opdefs/cb_A8829.d | 47 |
1 files changed, 37 insertions, 10 deletions
diff --git a/plugins/arm/v7/opdefs/cb_A8829.d b/plugins/arm/v7/opdefs/cb_A8829.d index 134e0f4..3ac923a 100644 --- a/plugins/arm/v7/opdefs/cb_A8829.d +++ b/plugins/arm/v7/opdefs/cb_A8829.d @@ -2,7 +2,7 @@ /* Chrysalide - Outil d'analyse de fichiers binaires * ##FILE## - traduction d'instructions ARMv7 * - * Copyright (C) 2015 Cyrille Bagard + * Copyright (C) 2017 Cyrille Bagard * * This file is part of Chrysalide. * @@ -23,26 +23,53 @@ @title CBNZ, CBZ -@desc Compare and Branch on Nonzero and Compare and Branch on Zero compare the value in a register with zero, and conditionally branch forward a constant value. They do not affect the condition flags. +@id 28 + +@desc { + + Compare and Branch on Nonzero and Compare and Branch on Zero compare the value in a register with zero, and conditionally branch forward a constant value. They do not affect the condition flags. + +} @encoding (t1) { @half 1 0 1 1 op(1) 0 i(1) 1 imm5(5) Rn(3) - @syntax <reg_N> <imm32> + @syntax { + + @assert { + + op == 0 + + } + + @conv { - @conv { + reg_N = Register(Rn) + imm32 = ZeroExtend(i:imm5:'0', 32) - reg_N = Register(Rn) - imm32 = ZeroExtend(i:imm5:'0', 32) - nonzero = (op == '1') + } + + @asm cbz reg_N imm32 } - @rules { + @syntax { + + @assert { + + op == 1 + + } + + @conv { + + reg_N = Register(Rn) + imm32 = ZeroExtend(i:imm5:'0', 32) + + } - if (nonzero); chk_call ExtendKeyword("n") - chk_call ExtendKeyword("z") + @asm cbnz reg_N imm32 } |