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-rw-r--r--src/arch/arm/v7/opdefs/sub_A88222.d32
1 files changed, 16 insertions, 16 deletions
diff --git a/src/arch/arm/v7/opdefs/sub_A88222.d b/src/arch/arm/v7/opdefs/sub_A88222.d
index 5564a07..ef326b8 100644
--- a/src/arch/arm/v7/opdefs/sub_A88222.d
+++ b/src/arch/arm/v7/opdefs/sub_A88222.d
@@ -2,7 +2,7 @@
/* Chrysalide - Outil d'analyse de fichiers binaires
* ##FILE## - traduction d'instructions ARMv7
*
- * Copyright (C) 2014 Cyrille Bagard
+ * Copyright (C) 2015 Cyrille Bagard
*
* This file is part of Chrysalide.
*
@@ -23,29 +23,29 @@
@title SUB (immediate, ARM)
-@encoding(A1) {
+@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.
- @word cond(4) 0 0 1 0 0 1 0 S(1) Rn(4) Rd(4) imm12(12)
+@encoding (A1) {
- @syntax {S} {c} <Rd> <Rn> <const>
+ @word cond(4) 0 0 1 0 0 1 0 S(1) Rn(4) Rd(4) imm12(12)
- @conv {
+ @syntax <reg_D> <reg_N> <imm32>
- S = SetFlags(S)
- c = Condition(cond)
- Rd = Register(Rd)
- Rn = Register(Rn)
- const = ARMExpandImm(imm12)
+ @conv {
- }
+ reg_D = Register(Rd)
+ reg_N = Register(Rn)
+ setflags = (S == '1')
+ imm32 = ARMExpandImm(imm12)
- @rules {
+ }
- //if ((Rn == '1111') && (S == '0')) ; see ADR
- //if (Rn == '1101') ; see SUB (SP minus immediate)
- //if ((Rd == '1111') && (S == '1')) ; see SUBS PC, LR and related instructions
+ @rules {
+ if (setflags); chk_call ExtendKeyword("s")
+ chk_call StoreCondition(cond)
- }
+ }
}
+