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-rw-r--r--src/arch/arm/v7/opdefs/strb_A88206.d101
1 files changed, 33 insertions, 68 deletions
diff --git a/src/arch/arm/v7/opdefs/strb_A88206.d b/src/arch/arm/v7/opdefs/strb_A88206.d
index 4799f61..2caf94c 100644
--- a/src/arch/arm/v7/opdefs/strb_A88206.d
+++ b/src/arch/arm/v7/opdefs/strb_A88206.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.
*
@@ -23,94 +23,59 @@
@title STRB (immediate, Thumb)
-@encoding(t1) {
+@desc Store Register Byte (immediate) calculates an address from a base register value and an immediate offset, and stores a byte from a register to memory. It can use offset, post-indexed, or pre-indexed addressing. For information about memory accesses see Memory accesses on page A8-294.
- @half 0 1 1 1 0 imm5(5) Rn(3) Rt(3)
+@encoding (t1) {
- @syntax <Rgt>, <access>
+ @half 0 1 1 1 0 imm5(5) Rn(3) Rt(3)
- @conv {
+ @syntax <reg_T> <mem_access>
- Rgt = Register(Rt)
- Rgn = Register(Rn)
- imm32 = ZeroExtend(imm5, 5, 32)
- access = MakeMemoryAccess(Rgn, imm32, 1, 0)
+ @conv {
- }
+ reg_T = Register(Rt)
+ reg_N = Register(Rn)
+ imm32 = ZeroExtend(imm5, 32)
+ mem_access = MakeMemoryAccess(reg_N, imm32, NULL, true, true, false)
-}
-
-@encoding(T2) {
-
- @word 1 1 1 1 1 0 0 0 1 0 0 0 Rn(4) Rt(4) imm12(12)
-
- @syntax "strb.W" <Rgt>, <access>
-
- @conv {
-
- Rgt = Register(Rt)
- Rgn = Register(Rn)
- imm32 = ZeroExtend(imm12, 12, 32)
- access = MakeMemoryAccess(Rgn, imm32, 1, 0)
-
- }
-
- @rules {
-
- //if Rn == '1111' then UNDEFINED;
- //if t IN {13,15} then UNPREDICTABLE;
-
- }
+ }
}
-@encoding(T31) {
-
- @word 1 1 1 1 1 0 0 0 0 0 0 0 Rn(4) Rt(4) 1 1 U(1) W(1) imm8(8)
-
- @syntax <Rgt> <access>
-
- @conv {
+@encoding (T2) {
- Rgt = Register(Rt)
- Rgn = Register(Rn)
- imm32 = ZeroExtend(imm8, 8, 32);
- access = MakeMemoryAccess(Rgn, imm32, U, W)
+ @word 1 1 1 1 1 0 0 0 1 0 0 0 Rn(4) Rt(4) imm12(12)
- }
+ @syntax ".W" <reg_T> <mem_access>
- @rules {
+ @conv {
- //if P == '1' && U == '1' && W == '0' then SEE STRBT;
- //if Rn == '1111' || (P == '0' && W == '0') then UNDEFINED;
- //if t IN {13,15} || (wback && n == t) then UNPREDICTABLE;
+ reg_T = Register(Rt)
+ reg_N = Register(Rn)
+ imm32 = ZeroExtend(imm12, 32)
+ mem_access = MakeMemoryAccess(reg_N, imm32, NULL, true, true, false)
- }
+ }
}
-@encoding(T32) {
+@encoding (T3) {
- @word 1 1 1 1 1 0 0 0 0 0 0 0 Rn(4) Rt(4) 1 0 U(1) W(1) imm8(8)
+ @word 1 1 1 1 1 0 0 0 0 0 0 0 Rn(4) Rt(4) 1 P(1) U(1) W(1) imm8(8)
- @syntax <Rgt> <base> <offset>
+ @syntax <reg_T> <mem_access>
- @conv {
+ @conv {
- Rgt = Register(Rt)
- Rgn = Register(Rn)
- imm32 = ZeroExtend(imm8, 8, 32);
- base = MakeMemoryNotIndexed(Rgn, W)
- offset = MakeAccessOffset(U, imm32)
+ reg_T = Register(Rt)
+ reg_N = Register(Rn)
+ imm32 = ZeroExtend(imm8, 32)
+ index = (P == '1')
+ add = (U == '1')
+ wback = (W == '1')
+ mem_access = MakeMemoryAccess(reg_N, imm32, NULL, index, add, wback)
- }
-
- @rules {
-
- //if P == '1' && U == '1' && W == '0' then SEE STRBT;
- //if Rn == '1111' || (P == '0' && W == '0') then UNDEFINED;
- //if t IN {13,15} || (wback && n == t) then UNPREDICTABLE;
-
- }
+ }
}
+