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-rw-r--r--src/arch/arm/v7/arm.c346
-rw-r--r--src/arch/arm/v7/opcodes/opcodes_tmp_arm.h33
-rw-r--r--src/arch/arm/v7/opcodes/opcodes_tmp_thumb_16.h1
-rw-r--r--src/arch/arm/v7/opdefs/Makefile.am3
-rw-r--r--src/arch/arm/v7/opdefs/ldrb_A8868.d81
-rw-r--r--src/arch/arm/v7/opdefs/ldrb_A8870.d2
-rw-r--r--src/arch/arm/v7/opdefs/lsr_A8896.d98
-rw-r--r--src/arch/arm/v7/opdefs/strb_A88207.d81
-rw-r--r--src/arch/arm/v7/opdefs/uxtb_A88274.d2
9 files changed, 631 insertions, 16 deletions
diff --git a/src/arch/arm/v7/arm.c b/src/arch/arm/v7/arm.c
index 2c0cabb..176d171 100644
--- a/src/arch/arm/v7/arm.c
+++ b/src/arch/arm/v7/arm.c
@@ -52,6 +52,23 @@ static GArchInstruction *process_armv7_arm_multiply_and_multiply_accumulate(uint
static GArchInstruction *process_armv7_arm_load_store_word_and_unsigned_byte(uint32_t);
+
+/* Désassemble une instruction ARMv7 de données ou autre. */
+static GArchInstruction *process_armv7_arm_media_instructions(uint32_t);
+
+
+
+#define process_armv7_arm_parallel_addition_and_subtraction_signed(raw) NULL
+#define process_armv7_arm_parallel_addition_and_subtraction_unsigned(raw) NULL
+#define process_armv7_arm_signed_multiply_signed_and_unsigned_divide(raw) NULL
+
+
+
+/* Désassemble une instruction ARMv7 de données ou autre. */
+static GArchInstruction *process_armv7_arm_packing_unpacking_saturation_and_reversal(uint32_t);
+
+
+
/* Désassemble une instruction ARMv7 de données ou autre. */
static GArchInstruction *process_armv7_arm_branch_branch_with_link_and_block_data_transfer(uint32_t);
@@ -61,7 +78,7 @@ static GArchInstruction *process_armv7_arm_branch_branch_with_link_and_block_dat
//#define process_armv7_arm_load_store_word_and_unsigned_byte(raw) NULL
//#define process_armv7_arm_load_store_word_and_unsigned_byte(raw) NULL
-#define process_armv7_arm_media_instructions(raw) NULL
+//#define process_armv7_arm_media_instructions(raw) NULL
//#define process_armv7_arm_branch_branch_with_link_and_block_data_transfer(raw) NULL
#define process_armv7_arm_coprocessor_instructions_and_Supervisor_call(raw) NULL
#define process_armv7_arm_unconditional_instructions(raw) NULL
@@ -531,10 +548,10 @@ static GArchInstruction *process_armv7_arm_multiply_and_multiply_accumulate(uint
result = NULL;
- if ((raw & 0x0f0000f0) == 0x00000090)
+ if ((raw & 0x0f0000f0) != 0x00000090)
return NULL;
- op = (raw >> 20) & 0x1f;
+ op = (raw >> 20) & 0xf;
if ((op & b1110) == b0000)
result = armv7_read_arm_instr_mul(raw);
@@ -637,7 +654,7 @@ static GArchInstruction *process_armv7_arm_load_store_word_and_unsigned_byte(uin
{
if (a == b0)
{
- result = armv7_read_arm_instr_strt(raw);
+ result = armv7_read_arm_instr_ldrt(raw);
goto a53_done;
}
else if (/*a == b1 && */b == b0)
@@ -657,7 +674,7 @@ static GArchInstruction *process_armv7_arm_load_store_word_and_unsigned_byte(uin
}
else if (/*a == b1 && */b == b0)
{
- result = armv7_read_arm_instr_str_register(raw);
+ result = armv7_read_arm_instr_ldr_register(raw);
goto a53_done;
}
}
@@ -666,7 +683,7 @@ static GArchInstruction *process_armv7_arm_load_store_word_and_unsigned_byte(uin
{
if (a == b0)
{
- result = armv7_read_arm_instr_strt(raw);
+ result = armv7_read_arm_instr_strbt(raw);
goto a53_done;
}
else if (/*a == b1 && */b == b0)
@@ -676,12 +693,12 @@ static GArchInstruction *process_armv7_arm_load_store_word_and_unsigned_byte(uin
{
if (a == b0)
{
- result = armv7_read_arm_instr_str_immediate_arm(raw);
+ result = armv7_read_arm_instr_strb_immediate_arm(raw);
goto a53_done;
}
else if (/*a == b1 && */b == b0)
{
- result = armv7_read_arm_instr_str_register(raw);
+ result = armv7_read_arm_instr_strb_register(raw);
goto a53_done;
}
}
@@ -690,7 +707,7 @@ static GArchInstruction *process_armv7_arm_load_store_word_and_unsigned_byte(uin
{
if (a == b0)
{
- result = armv7_read_arm_instr_strt(raw);
+ result = armv7_read_arm_instr_ldrbt(raw);
goto a53_done;
}
else if (/*a == b1 && */b == b0)
@@ -701,16 +718,16 @@ static GArchInstruction *process_armv7_arm_load_store_word_and_unsigned_byte(uin
if (a == b0)
{
if (rn == b1111)
- result = armv7_read_arm_instr_ldr_literal(raw);
+ result = armv7_read_arm_instr_ldrb_literal(raw);
else
- result = armv7_read_arm_instr_ldr_immediate_arm(raw);
+ result = armv7_read_arm_instr_ldrb_immediate_arm(raw);
goto a53_done;
}
else if (/*a == b1 && */b == b0)
{
- result = armv7_read_arm_instr_str_register(raw);
+ result = armv7_read_arm_instr_ldrb_register(raw);
goto a53_done;
}
}
@@ -730,6 +747,311 @@ static GArchInstruction *process_armv7_arm_load_store_word_and_unsigned_byte(uin
+
+/******************************************************************************
+* *
+* Paramètres : raw = donnée brute de 32 bits à désassembler. *
+* *
+* Description : Désassemble une instruction ARMv7 de données ou autre. *
+* *
+* Retour : Instruction mise en place ou NULL en cas d'échec. *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+static GArchInstruction *process_armv7_arm_media_instructions(uint32_t raw)
+{
+ GArchInstruction *result; /* Instruction à retourner */
+ uint32_t cond; /* Champ 'cond' à retrouver */
+ uint32_t op1; /* Champ 'op1' à retrouver */
+ uint32_t rd; /* Champ 'rd' à retrouver */
+ uint32_t op2; /* Champ 'op2' à retrouver */
+ uint32_t rn; /* Champ 'rn' à retrouver */
+
+ /**
+ * Suit les directives de :
+ * § A5.4 Media instructions
+ */
+
+ result = NULL;
+
+ if ((raw & 0x0e000010) != 0x06000010)
+ return NULL;
+
+ cond = (raw >> 28) & 0xf;
+ op1 = (raw >> 20) & 0x1f;
+ rd = (raw >> 12) & 0xf;
+ op2 = (raw >> 5) & 0x7;
+ rn = (raw >> 0) & 0xf;
+
+ if ((op1 & b11100) == b00000)
+ result = process_armv7_arm_parallel_addition_and_subtraction_signed(raw);
+
+ else if ((op1 & b11100) == b00100)
+ result = process_armv7_arm_parallel_addition_and_subtraction_unsigned(raw);
+
+ else if ((op1 & b11000) == b01000)
+ result = process_armv7_arm_packing_unpacking_saturation_and_reversal(raw);
+
+ else if ((op1 & b11000) == b10000)
+ result = process_armv7_arm_signed_multiply_signed_and_unsigned_divide(raw);
+
+ else if (op1 == b11000)
+ {
+ if (op2 == b000)
+ {
+ if (rd == b1111)
+ result = armv7_read_arm_instr_usad8(raw);
+ else
+ result = armv7_read_arm_instr_usada8(raw);
+ }
+
+ goto a54_done;
+
+ }
+
+ else if ((op1 & b11110) == b11010)
+ {
+ if ((op2 & b011) == b010)
+ result = armv7_read_arm_instr_sbfx(raw);
+
+ goto a54_done;
+
+ }
+
+ else if ((op1 & b11110) == b11100)
+ {
+ if ((op2 & b011) == b000)
+ {
+ if (rn == b1111)
+ result = armv7_read_arm_instr_bfc(raw);
+ else
+ result = armv7_read_arm_instr_bfi(raw);
+ }
+
+ goto a54_done;
+
+ }
+
+ else if ((op1 & b11110) == b11110)
+ {
+ if ((op2 & b011) == b010)
+ result = armv7_read_arm_instr_ubfx(raw);
+
+ goto a54_done;
+
+ }
+
+ else if (op1 == b11111 && op2 == b111 && cond == b1110)
+ result = armv7_read_arm_instr_ubfx(raw);
+
+ a54_done:
+
+ return result;
+
+}
+
+
+/******************************************************************************
+* *
+* Paramètres : raw = donnée brute de 32 bits à désassembler. *
+* *
+* Description : Désassemble une instruction ARMv7 de données ou autre. *
+* *
+* Retour : Instruction mise en place ou NULL en cas d'échec. *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+static GArchInstruction *process_armv7_arm_packing_unpacking_saturation_and_reversal(uint32_t raw)
+{
+ GArchInstruction *result; /* Instruction à retourner */
+ uint32_t op1; /* Champ 'op1' à retrouver */
+ uint32_t a; /* Champ 'a' à retrouver */
+ uint32_t op2; /* Champ 'op2' à retrouver */
+
+ /**
+ * Suit les directives de :
+ * § A5.4.3 Packing, unpacking, saturation, and reversal
+ */
+
+ result = NULL;
+
+ if ((raw & 0x0f800010) != 0x06800010)
+ return NULL;
+
+ op1 = (raw >> 20) & 0x7;
+ a = (raw >> 16) & 0xf;
+ op2 = (raw >> 5) & 0x7;
+
+ if ((op1 & b111) == b000)
+ {
+ if ((op2 & b001) == b000)
+ {
+ result = armv7_read_arm_instr_pkh(raw);
+ goto a543_done;
+ }
+ else if (op2 == b011)
+ {
+ if (a == b1111)
+ {
+ result = armv7_read_arm_instr_sxtb16(raw);
+ goto a543_done;
+ }
+ else
+ {
+ result = armv7_read_arm_instr_sxtab16(raw);
+ goto a543_done;
+ }
+ }
+ else if (op2 == b101)
+ {
+ result = armv7_read_arm_instr_sel(raw);
+ goto a543_done;
+ }
+ }
+
+ else if ((op1 & b110) == b010 && (op2 & b001) == b000)
+ {
+ result = armv7_read_arm_instr_ssat(raw);
+ goto a543_done;
+ }
+
+ else if (op1 == b010)
+ {
+ if (op2 == b001)
+ {
+ result = armv7_read_arm_instr_ssat16(raw);
+ goto a543_done;
+ }
+ else if (op2 == b011)
+ {
+ if (a == b1111)
+ {
+ result = armv7_read_arm_instr_sxtb(raw);
+ goto a543_done;
+ }
+ else
+ {
+ result = armv7_read_arm_instr_sxtab(raw);
+ goto a543_done;
+ }
+ }
+ }
+
+ else if (op1 == b011)
+ {
+ if (op2 == b001)
+ {
+ result = armv7_read_arm_instr_rev(raw);
+ goto a543_done;
+ }
+ else if (op2 == b011)
+ {
+ if (a == b1111)
+ {
+ result = armv7_read_arm_instr_sxth(raw);
+ goto a543_done;
+ }
+ else
+ {
+ result = armv7_read_arm_instr_sxtah(raw);
+ goto a543_done;
+ }
+ }
+ else if (op2 == b101)
+ {
+ result = armv7_read_arm_instr_rev16(raw);
+ goto a543_done;
+ }
+ }
+
+ else if (op1 == b100 && op2 == b011)
+ {
+ if (a == b1111)
+ {
+ result = armv7_read_arm_instr_uxtb16(raw);
+ goto a543_done;
+ }
+ else
+ {
+ result = armv7_read_arm_instr_uxtab16(raw);
+ goto a543_done;
+ }
+ }
+
+ else if ((op1 & b110) == b110 && (op2 & b001) == b000)
+ {
+ result = armv7_read_arm_instr_usat(raw);
+ goto a543_done;
+ }
+
+ else if (op1 == b110)
+ {
+ if (op2 == b001)
+ {
+ result = armv7_read_arm_instr_usat16(raw);
+ goto a543_done;
+ }
+ else if (op2 == b011)
+ {
+ if (a == b1111)
+ {
+ result = armv7_read_arm_instr_uxtb(raw);
+ goto a543_done;
+ }
+ else
+ {
+ result = armv7_read_arm_instr_uxtab(raw);
+ goto a543_done;
+ }
+ }
+ }
+
+ else if (op1 == b111)
+ {
+ if (op2 == b001)
+ {
+ result = armv7_read_arm_instr_rbit(raw);
+ goto a543_done;
+ }
+ else if (op2 == b011)
+ {
+ if (a == b1111)
+ {
+ result = armv7_read_arm_instr_uxth(raw);
+ goto a543_done;
+ }
+ else
+ {
+ result = armv7_read_arm_instr_uxtah(raw);
+ goto a543_done;
+ }
+ }
+ else if (op2 == b101)
+ {
+ result = armv7_read_arm_instr_revsh(raw);
+ goto a543_done;
+ }
+ }
+
+ a543_done:
+
+ return result;
+
+}
+
+
+
+
+
+
+
+
+
+
/******************************************************************************
* *
* Paramètres : raw = donnée brute de 32 bits à désassembler. *
diff --git a/src/arch/arm/v7/opcodes/opcodes_tmp_arm.h b/src/arch/arm/v7/opcodes/opcodes_tmp_arm.h
index 5142648..719d3c3 100644
--- a/src/arch/arm/v7/opcodes/opcodes_tmp_arm.h
+++ b/src/arch/arm/v7/opcodes/opcodes_tmp_arm.h
@@ -1,19 +1,50 @@
#ifndef arm_def_tmp_h
#define arm_def_tmp_h
+#define armv7_read_arm_instr_bfc(r) NULL
+#define armv7_read_arm_instr_bfi(r) NULL
#define armv7_read_arm_instr_ldmda_ldmfa(r) NULL
#define armv7_read_arm_instr_ldmdb_ldmea(r) NULL
#define armv7_read_arm_instr_ldm_exception_return(r) NULL
#define armv7_read_arm_instr_ldmib_ldmed(r) NULL
#define armv7_read_arm_instr_ldm_ldmia_ldmfd_arm(r) NULL
#define armv7_read_arm_instr_ldm_user_registers(r) NULL
-#define armv7_read_arm_instr_lsr_immediate(r) NULL
+#define armv7_read_arm_instr_ldrb_literal(r) NULL
+#define armv7_read_arm_instr_ldrbt(r) NULL
+#define armv7_read_arm_instr_ldr_register(r) NULL
+#define armv7_read_arm_instr_ldrt(r) NULL
+#define armv7_read_arm_instr_pkh(r) NULL
+#define armv7_read_arm_instr_rbit(r) NULL
+#define armv7_read_arm_instr_rev(r) NULL
+#define armv7_read_arm_instr_rev16(r) NULL
+#define armv7_read_arm_instr_revsh(r) NULL
#define armv7_read_arm_instr_ror_immediate(r) NULL
#define armv7_read_arm_instr_rrx(r) NULL
+#define armv7_read_arm_instr_sbfx(r) NULL
+#define armv7_read_arm_instr_sel(r) NULL
+#define armv7_read_arm_instr_ssat(r) NULL
+#define armv7_read_arm_instr_ssat16(r) NULL
#define armv7_read_arm_instr_stmda_stmed(r) NULL
#define armv7_read_arm_instr_stmdb_stmfd(r) NULL
#define armv7_read_arm_instr_stmib_stmfa(r) NULL
#define armv7_read_arm_instr_stm_stmia_stmea(r) NULL
#define armv7_read_arm_instr_stm_user_registers(r) NULL
+#define armv7_read_arm_instr_strbt(r) NULL
#define armv7_read_arm_instr_str_register(r) NULL
#define armv7_read_arm_instr_strt(r) NULL
+#define armv7_read_arm_instr_sxtab(r) NULL
+#define armv7_read_arm_instr_sxtab16(r) NULL
+#define armv7_read_arm_instr_sxtah(r) NULL
+#define armv7_read_arm_instr_sxtb(r) NULL
+#define armv7_read_arm_instr_sxtb16(r) NULL
+#define armv7_read_arm_instr_sxth(r) NULL
+#define armv7_read_arm_instr_ubfx(r) NULL
+#define armv7_read_arm_instr_usad8(r) NULL
+#define armv7_read_arm_instr_usada8(r) NULL
+#define armv7_read_arm_instr_usat(r) NULL
+#define armv7_read_arm_instr_usat16(r) NULL
+#define armv7_read_arm_instr_uxtab(r) NULL
+#define armv7_read_arm_instr_uxtab16(r) NULL
+#define armv7_read_arm_instr_uxtah(r) NULL
+#define armv7_read_arm_instr_uxtb16(r) NULL
+#define armv7_read_arm_instr_uxth(r) NULL
#endif
diff --git a/src/arch/arm/v7/opcodes/opcodes_tmp_thumb_16.h b/src/arch/arm/v7/opcodes/opcodes_tmp_thumb_16.h
index 3d3aa3a..8e8572d 100644
--- a/src/arch/arm/v7/opcodes/opcodes_tmp_thumb_16.h
+++ b/src/arch/arm/v7/opcodes/opcodes_tmp_thumb_16.h
@@ -10,7 +10,6 @@
#define armv7_read_thumb_16_instr_ldrsb_register(r) NULL
#define armv7_read_thumb_16_instr_ldrsh_register(r) NULL
#define armv7_read_thumb_16_instr_lsl_register(r) NULL
-#define armv7_read_thumb_16_instr_lsr_immediate(r) NULL
#define armv7_read_thumb_16_instr_lsr_register(r) NULL
#define armv7_read_thumb_16_instr_rev(r) NULL
#define armv7_read_thumb_16_instr_rev16(r) NULL
diff --git a/src/arch/arm/v7/opdefs/Makefile.am b/src/arch/arm/v7/opdefs/Makefile.am
index 6678f0e..6207906 100644
--- a/src/arch/arm/v7/opdefs/Makefile.am
+++ b/src/arch/arm/v7/opdefs/Makefile.am
@@ -54,8 +54,10 @@ ARMV7_DEFS = \
ldr_A8864.d \
ldr_A8865.d \
ldrb_A8867.d \
+ ldrb_A8868.d \
ldrb_A8870.d \
lsl_A8894.d \
+ lsr_A8896.d \
mla_A88100.d \
mls_A88101.d \
mov_A88102.d \
@@ -82,6 +84,7 @@ ARMV7_DEFS = \
str_A88203.d \
str_A88204.d \
strb_A88206.d \
+ strb_A88207.d \
strb_A88208.d \
sub_A88221.d \
sub_A88222.d \
diff --git a/src/arch/arm/v7/opdefs/ldrb_A8868.d b/src/arch/arm/v7/opdefs/ldrb_A8868.d
new file mode 100644
index 0000000..fdf3049
--- /dev/null
+++ b/src/arch/arm/v7/opdefs/ldrb_A8868.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 LDRB (immediate, ARM)
+
+@encoding(A11) {
+
+ @word cond(4) 0 1 0 1 U(1) 1 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, W)
+
+ }
+
+ @rules {
+
+ //if Rt == '1111' && P == '1' && U == '0' && W == '0' then SEE PLD, PLDW (immediate);
+ //if Rn == '1111' then SEE LDRB (literal);
+ //if P == '1' && U == '1' && W == '0' then SEE LDRBT;
+ //if P == '0' && W == '0' then UNDEFINED;
+ //if t == 13 || (t == 15 && W == '1') || (wback && n == t) then UNPREDICTABLE;
+ if (Rt == '1111'); chk_call DefineAsReturn(1)
+
+ }
+
+}
+
+@encoding(A12) {
+
+ @word cond(4) 0 1 0 0 U(1) 1 W(1) 1 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 Rt == '1111' && P == '1' && U == '0' && W == '0' then SEE PLD, PLDW (immediate);
+ //if Rn == '1111' then SEE LDRB (literal);
+ //if P == '1' && U == '1' && W == '0' then SEE LDRBT;
+ //if P == '0' && W == '0' then UNDEFINED;
+ //if t == 13 || (t == 15 && W == '1') || (wback && n == t) then UNPREDICTABLE;
+ if (Rt == '1111'); chk_call DefineAsReturn(1)
+
+ }
+
+}
diff --git a/src/arch/arm/v7/opdefs/ldrb_A8870.d b/src/arch/arm/v7/opdefs/ldrb_A8870.d
index 0de0af2..868b1c9 100644
--- a/src/arch/arm/v7/opdefs/ldrb_A8870.d
+++ b/src/arch/arm/v7/opdefs/ldrb_A8870.d
@@ -25,7 +25,7 @@
@encoding(t1) {
- @half 0 1 0 1 0 1 0 Rm(3) Rn(3) Rt(3)
+ @half 0 1 0 1 1 1 0 Rm(3) Rn(3) Rt(3)
@syntax <Rgt> <access>
diff --git a/src/arch/arm/v7/opdefs/lsr_A8896.d b/src/arch/arm/v7/opdefs/lsr_A8896.d
new file mode 100644
index 0000000..8e3f274
--- /dev/null
+++ b/src/arch/arm/v7/opdefs/lsr_A8896.d
@@ -0,0 +1,98 @@
+
+/* Chrysalide - Outil d'analyse de fichiers binaires
+ * ##FILE## - traduction d'instructions ARMv7
+ *
+ * Copyright (C) 2015 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 LSR (immediate)
+
+@encoding(t1) {
+
+ @half 0 0 0 0 1 imm5(5) Rm(3) Rd(3)
+
+ @syntax <Rgd> <Rgm> <shift>
+
+ @conv {
+
+ Rgd = Register(Rd)
+ Rgm = Register(Rm)
+ shift = DecodeImmShift(1, imm5)
+
+ }
+
+ @rules {
+
+ if (imm5 == '00000') ; see MOV (register, Thumb)
+ //if (imm5 == '00000') ; see MOV (register)
+
+ }
+
+}
+
+@encoding(T2) {
+
+ @word 1 1 1 0 1 0 1 0 0 1 0 S(1) 1 1 1 1 0 imm3(3) Rd(4) imm2(2) 0 1 Rm(4)
+
+ @syntax {s} <Rgd> <Rgm> <shift>
+
+ @conv {
+
+ S = SetFlags(S)
+ Rgd = Register(Rd)
+ Rgm = Register(Rm)
+ shift = DecodeImmShift(1, imm3:imm2)
+
+ }
+
+ @rules {
+
+ if ((imm3 == '000') && (imm2 == '00')) ; see MOV (register, Thumb)
+ //if ((imm3 == '000') && (imm2 == '00')) ; see MOV (register, Thumb)
+ //if (imm3:imm2) == '00000' then SEE MOV (register);
+ //if d IN {13,15} || m IN {13,15} then UNPREDICTABLE;
+
+ }
+
+}
+
+@encoding(A1) {
+
+ @word cond(4) 0 0 0 1 1 0 1 S(1) 0 0 0 0 Rd(4) imm5(5) 0 1 0 Rm(4)
+
+ @syntax {S} {c} <Rgd> <Rgm> <shift>
+
+ @conv {
+
+ S = SetFlags(S)
+ c = Condition(cond)
+ Rgd = Register(Rd)
+ Rgm = Register(Rm)
+ shift = DecodeImmShift(1, imm5)
+
+ }
+
+ @rules {
+
+ //if Rd == '1111' && S == '1' then SEE SUBS PC, LR and related instructions;
+ //if imm5 == '00000' then SEE MOV (register);
+
+ }
+
+}
diff --git a/src/arch/arm/v7/opdefs/strb_A88207.d b/src/arch/arm/v7/opdefs/strb_A88207.d
new file mode 100644
index 0000000..b57dbf7
--- /dev/null
+++ b/src/arch/arm/v7/opdefs/strb_A88207.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 STRB (immediate, ARM)
+
+@encoding(A11) {
+
+ @word cond(4) 0 1 0 1 U(1) 1 W(1) 0 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, W)
+
+ }
+
+ @rules {
+
+ //if Rt == '1111' && P == '1' && U == '0' && W == '0' then SEE PLD, PLDW (immediate);
+ //if Rn == '1111' then SEE LDRB (literal);
+ //if P == '1' && U == '1' && W == '0' then SEE LDRBT;
+ //if P == '0' && W == '0' then UNDEFINED;
+ //if t == 13 || (t == 15 && W == '1') || (wback && n == t) then UNPREDICTABLE;
+ if (Rt == '1111'); chk_call DefineAsReturn(1)
+
+ }
+
+}
+
+@encoding(A12) {
+
+ @word cond(4) 0 1 0 0 U(1) 1 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 Rt == '1111' && P == '1' && U == '0' && W == '0' then SEE PLD, PLDW (immediate);
+ //if Rn == '1111' then SEE LDRB (literal);
+ //if P == '1' && U == '1' && W == '0' then SEE LDRBT;
+ //if P == '0' && W == '0' then UNDEFINED;
+ //if t == 13 || (t == 15 && W == '1') || (wback && n == t) then UNPREDICTABLE;
+ if (Rt == '1111'); chk_call DefineAsReturn(1)
+
+ }
+
+}
diff --git a/src/arch/arm/v7/opdefs/uxtb_A88274.d b/src/arch/arm/v7/opdefs/uxtb_A88274.d
index 97b17de..8917144 100644
--- a/src/arch/arm/v7/opdefs/uxtb_A88274.d
+++ b/src/arch/arm/v7/opdefs/uxtb_A88274.d
@@ -42,7 +42,7 @@
@word 1 1 1 1 1 0 1 0 0 1 0 1 1 1 1 1 1 1 1 1 Rd(4) 1 0 rotate(2) Rm(4)
- @syntax <Rd> <Rm> <?rotation>
+ @syntax "uxtb.W" <Rd> <Rm> <?rotation>
@conv {
generated by cgit v0.11.2-87-g4458 at 2024-12-25 05:02:43 (GMT)