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Diffstat (limited to 'src/core/arm/disassembler/arm_disasm.cpp')
-rw-r--r--src/core/arm/disassembler/arm_disasm.cpp472
1 files changed, 237 insertions, 235 deletions
diff --git a/src/core/arm/disassembler/arm_disasm.cpp b/src/core/arm/disassembler/arm_disasm.cpp
index 1d40ae03..77af10b5 100644
--- a/src/core/arm/disassembler/arm_disasm.cpp
+++ b/src/core/arm/disassembler/arm_disasm.cpp
@@ -3,7 +3,9 @@
#include <string>
#include <unordered_set>
+#include "common/common_types.h"
#include "common/string_util.h"
+
#include "core/arm/disassembler/arm_disasm.h"
#include "core/arm/skyeye_common/armsupp.h"
@@ -215,11 +217,11 @@ static const char *shift_names[] = {
"ROR"
};
-static const char* cond_to_str(uint32_t cond) {
+static const char* cond_to_str(u32 cond) {
return cond_names[cond];
}
-std::string ARM_Disasm::Disassemble(uint32_t addr, uint32_t insn)
+std::string ARM_Disasm::Disassemble(u32 addr, u32 insn)
{
Opcode opcode = Decode(insn);
switch (opcode) {
@@ -400,22 +402,22 @@ std::string ARM_Disasm::Disassemble(uint32_t addr, uint32_t insn)
return NULL;
}
-std::string ARM_Disasm::DisassembleALU(Opcode opcode, uint32_t insn)
+std::string ARM_Disasm::DisassembleALU(Opcode opcode, u32 insn)
{
- static const uint8_t kNoOperand1 = 1;
- static const uint8_t kNoDest = 2;
- static const uint8_t kNoSbit = 4;
+ static const u8 kNoOperand1 = 1;
+ static const u8 kNoDest = 2;
+ static const u8 kNoSbit = 4;
std::string rn_str;
std::string rd_str;
- uint8_t flags = 0;
- uint8_t cond = (insn >> 28) & 0xf;
- uint8_t is_immed = (insn >> 25) & 0x1;
- uint8_t bit_s = (insn >> 20) & 1;
- uint8_t rn = (insn >> 16) & 0xf;
- uint8_t rd = (insn >> 12) & 0xf;
- uint8_t immed = insn & 0xff;
+ u8 flags = 0;
+ u8 cond = (insn >> 28) & 0xf;
+ u8 is_immed = (insn >> 25) & 0x1;
+ u8 bit_s = (insn >> 20) & 1;
+ u8 rn = (insn >> 16) & 0xf;
+ u8 rd = (insn >> 12) & 0xf;
+ u8 immed = insn & 0xff;
const char* opname = opcode_names[opcode];
switch (opcode) {
@@ -455,14 +457,14 @@ std::string ARM_Disasm::DisassembleALU(Opcode opcode, uint32_t insn)
opname, cond_to_str(cond), sbit_str, rd_str.c_str(), rn_str.c_str(), immed, immed);
}
- uint8_t shift_is_reg = (insn >> 4) & 1;
- uint8_t rotate = (insn >> 8) & 0xf;
- uint8_t rm = insn & 0xf;
- uint8_t shift_type = (insn >> 5) & 0x3;
- uint8_t rs = (insn >> 8) & 0xf;
- uint8_t shift_amount = (insn >> 7) & 0x1f;
- uint32_t rotated_val = immed;
- uint8_t rotate2 = rotate << 1;
+ u8 shift_is_reg = (insn >> 4) & 1;
+ u8 rotate = (insn >> 8) & 0xf;
+ u8 rm = insn & 0xf;
+ u8 shift_type = (insn >> 5) & 0x3;
+ u8 rs = (insn >> 8) & 0xf;
+ u8 shift_amount = (insn >> 7) & 0x1f;
+ u32 rotated_val = immed;
+ u8 rotate2 = rotate << 1;
rotated_val = (rotated_val >> rotate2) | (rotated_val << (32 - rotate2));
if (!shift_is_reg && shift_type == 0 && shift_amount == 0) {
@@ -488,10 +490,10 @@ std::string ARM_Disasm::DisassembleALU(Opcode opcode, uint32_t insn)
shift_name, shift_amount);
}
-std::string ARM_Disasm::DisassembleBranch(uint32_t addr, Opcode opcode, uint32_t insn)
+std::string ARM_Disasm::DisassembleBranch(u32 addr, Opcode opcode, u32 insn)
{
- uint8_t cond = (insn >> 28) & 0xf;
- uint32_t offset = insn & 0xffffff;
+ u8 cond = (insn >> 28) & 0xf;
+ u32 offset = insn & 0xffffff;
// Sign-extend the 24-bit offset
if ((offset >> 23) & 1)
offset |= 0xff000000;
@@ -504,35 +506,35 @@ std::string ARM_Disasm::DisassembleBranch(uint32_t addr, Opcode opcode, uint32_t
return Common::StringFromFormat("%s%s\t0x%x", opname, cond_to_str(cond), addr);
}
-std::string ARM_Disasm::DisassembleBX(uint32_t insn)
+std::string ARM_Disasm::DisassembleBX(u32 insn)
{
- uint8_t cond = (insn >> 28) & 0xf;
- uint8_t rn = insn & 0xf;
+ u8 cond = (insn >> 28) & 0xf;
+ u8 rn = insn & 0xf;
return Common::StringFromFormat("bx%s\tr%d", cond_to_str(cond), rn);
}
-std::string ARM_Disasm::DisassembleBKPT(uint32_t insn)
+std::string ARM_Disasm::DisassembleBKPT(u32 insn)
{
- uint8_t cond = (insn >> 28) & 0xf;
- uint32_t immed = (((insn >> 8) & 0xfff) << 4) | (insn & 0xf);
+ u8 cond = (insn >> 28) & 0xf;
+ u32 immed = (((insn >> 8) & 0xfff) << 4) | (insn & 0xf);
return Common::StringFromFormat("bkpt%s\t#%d", cond_to_str(cond), immed);
}
-std::string ARM_Disasm::DisassembleCLZ(uint32_t insn)
+std::string ARM_Disasm::DisassembleCLZ(u32 insn)
{
- uint8_t cond = (insn >> 28) & 0xf;
- uint8_t rd = (insn >> 12) & 0xf;
- uint8_t rm = insn & 0xf;
+ u8 cond = (insn >> 28) & 0xf;
+ u8 rd = (insn >> 12) & 0xf;
+ u8 rm = insn & 0xf;
return Common::StringFromFormat("clz%s\tr%d, r%d", cond_to_str(cond), rd, rm);
}
-std::string ARM_Disasm::DisassembleMediaMulDiv(Opcode opcode, uint32_t insn) {
- uint32_t cond = BITS(insn, 28, 31);
- uint32_t rd = BITS(insn, 16, 19);
- uint32_t ra = BITS(insn, 12, 15);
- uint32_t rm = BITS(insn, 8, 11);
- uint32_t m = BIT(insn, 5);
- uint32_t rn = BITS(insn, 0, 3);
+std::string ARM_Disasm::DisassembleMediaMulDiv(Opcode opcode, u32 insn) {
+ u32 cond = BITS(insn, 28, 31);
+ u32 rd = BITS(insn, 16, 19);
+ u32 ra = BITS(insn, 12, 15);
+ u32 rm = BITS(insn, 8, 11);
+ u32 m = BIT(insn, 5);
+ u32 rn = BITS(insn, 0, 3);
std::string cross = "";
if (m) {
@@ -558,17 +560,17 @@ std::string ARM_Disasm::DisassembleMediaMulDiv(Opcode opcode, uint32_t insn) {
ext_reg.c_str());
}
-std::string ARM_Disasm::DisassembleMemblock(Opcode opcode, uint32_t insn)
+std::string ARM_Disasm::DisassembleMemblock(Opcode opcode, u32 insn)
{
std::string tmp_list;
- uint8_t cond = (insn >> 28) & 0xf;
- uint8_t write_back = (insn >> 21) & 0x1;
- uint8_t bit_s = (insn >> 22) & 0x1;
- uint8_t is_up = (insn >> 23) & 0x1;
- uint8_t is_pre = (insn >> 24) & 0x1;
- uint8_t rn = (insn >> 16) & 0xf;
- uint16_t reg_list = insn & 0xffff;
+ u8 cond = (insn >> 28) & 0xf;
+ u8 write_back = (insn >> 21) & 0x1;
+ u8 bit_s = (insn >> 22) & 0x1;
+ u8 is_up = (insn >> 23) & 0x1;
+ u8 is_pre = (insn >> 24) & 0x1;
+ u8 rn = (insn >> 16) & 0xf;
+ u16 reg_list = insn & 0xffff;
const char *opname = opcode_names[opcode];
@@ -608,18 +610,18 @@ std::string ARM_Disasm::DisassembleMemblock(Opcode opcode, uint32_t insn)
opname, cond_to_str(cond), addr_mode, rn, bang, tmp_list.c_str(), carret);
}
-std::string ARM_Disasm::DisassembleMem(uint32_t insn)
+std::string ARM_Disasm::DisassembleMem(u32 insn)
{
- uint8_t cond = (insn >> 28) & 0xf;
- uint8_t is_reg = (insn >> 25) & 0x1;
- uint8_t is_load = (insn >> 20) & 0x1;
- uint8_t write_back = (insn >> 21) & 0x1;
- uint8_t is_byte = (insn >> 22) & 0x1;
- uint8_t is_up = (insn >> 23) & 0x1;
- uint8_t is_pre = (insn >> 24) & 0x1;
- uint8_t rn = (insn >> 16) & 0xf;
- uint8_t rd = (insn >> 12) & 0xf;
- uint16_t offset = insn & 0xfff;
+ u8 cond = (insn >> 28) & 0xf;
+ u8 is_reg = (insn >> 25) & 0x1;
+ u8 is_load = (insn >> 20) & 0x1;
+ u8 write_back = (insn >> 21) & 0x1;
+ u8 is_byte = (insn >> 22) & 0x1;
+ u8 is_up = (insn >> 23) & 0x1;
+ u8 is_pre = (insn >> 24) & 0x1;
+ u8 rn = (insn >> 16) & 0xf;
+ u8 rd = (insn >> 12) & 0xf;
+ u16 offset = insn & 0xfff;
const char *opname = "ldr";
if (!is_load)
@@ -656,9 +658,9 @@ std::string ARM_Disasm::DisassembleMem(uint32_t insn)
}
}
- uint8_t rm = insn & 0xf;
- uint8_t shift_type = (insn >> 5) & 0x3;
- uint8_t shift_amount = (insn >> 7) & 0x1f;
+ u8 rm = insn & 0xf;
+ u8 shift_type = (insn >> 5) & 0x3;
+ u8 shift_amount = (insn >> 7) & 0x1f;
const char *shift_name = shift_names[shift_type];
@@ -700,19 +702,19 @@ std::string ARM_Disasm::DisassembleMem(uint32_t insn)
shift_name, shift_amount);
}
-std::string ARM_Disasm::DisassembleMemHalf(uint32_t insn)
+std::string ARM_Disasm::DisassembleMemHalf(u32 insn)
{
- uint8_t cond = (insn >> 28) & 0xf;
- uint8_t is_load = (insn >> 20) & 0x1;
- uint8_t write_back = (insn >> 21) & 0x1;
- uint8_t is_immed = (insn >> 22) & 0x1;
- uint8_t is_up = (insn >> 23) & 0x1;
- uint8_t is_pre = (insn >> 24) & 0x1;
- uint8_t rn = (insn >> 16) & 0xf;
- uint8_t rd = (insn >> 12) & 0xf;
- uint8_t bits_65 = (insn >> 5) & 0x3;
- uint8_t rm = insn & 0xf;
- uint8_t offset = (((insn >> 8) & 0xf) << 4) | (insn & 0xf);
+ u8 cond = (insn >> 28) & 0xf;
+ u8 is_load = (insn >> 20) & 0x1;
+ u8 write_back = (insn >> 21) & 0x1;
+ u8 is_immed = (insn >> 22) & 0x1;
+ u8 is_up = (insn >> 23) & 0x1;
+ u8 is_pre = (insn >> 24) & 0x1;
+ u8 rn = (insn >> 16) & 0xf;
+ u8 rd = (insn >> 12) & 0xf;
+ u8 bits_65 = (insn >> 5) & 0x3;
+ u8 rm = insn & 0xf;
+ u8 offset = (((insn >> 8) & 0xf) << 4) | (insn & 0xf);
const char *opname = "ldr";
if (is_load == 0)
@@ -756,78 +758,78 @@ std::string ARM_Disasm::DisassembleMemHalf(uint32_t insn)
}
}
-std::string ARM_Disasm::DisassembleMCR(Opcode opcode, uint32_t insn)
+std::string ARM_Disasm::DisassembleMCR(Opcode opcode, u32 insn)
{
- uint8_t cond = (insn >> 28) & 0xf;
- uint8_t crn = (insn >> 16) & 0xf;
- uint8_t crd = (insn >> 12) & 0xf;
- uint8_t cpnum = (insn >> 8) & 0xf;
- uint8_t opcode2 = (insn >> 5) & 0x7;
- uint8_t crm = insn & 0xf;
+ u8 cond = (insn >> 28) & 0xf;
+ u8 crn = (insn >> 16) & 0xf;
+ u8 crd = (insn >> 12) & 0xf;
+ u8 cpnum = (insn >> 8) & 0xf;
+ u8 opcode2 = (insn >> 5) & 0x7;
+ u8 crm = insn & 0xf;
const char *opname = opcode_names[opcode];
return Common::StringFromFormat("%s%s\t%d, 0, r%d, cr%d, cr%d, {%d}",
opname, cond_to_str(cond), cpnum, crd, crn, crm, opcode2);
}
-std::string ARM_Disasm::DisassembleMLA(Opcode opcode, uint32_t insn)
+std::string ARM_Disasm::DisassembleMLA(Opcode opcode, u32 insn)
{
- uint8_t cond = (insn >> 28) & 0xf;
- uint8_t rd = (insn >> 16) & 0xf;
- uint8_t rn = (insn >> 12) & 0xf;
- uint8_t rs = (insn >> 8) & 0xf;
- uint8_t rm = insn & 0xf;
- uint8_t bit_s = (insn >> 20) & 1;
+ u8 cond = (insn >> 28) & 0xf;
+ u8 rd = (insn >> 16) & 0xf;
+ u8 rn = (insn >> 12) & 0xf;
+ u8 rs = (insn >> 8) & 0xf;
+ u8 rm = insn & 0xf;
+ u8 bit_s = (insn >> 20) & 1;
const char *opname = opcode_names[opcode];
return Common::StringFromFormat("%s%s%s\tr%d, r%d, r%d, r%d",
opname, cond_to_str(cond), bit_s ? "s" : "", rd, rm, rs, rn);
}
-std::string ARM_Disasm::DisassembleUMLAL(Opcode opcode, uint32_t insn)
+std::string ARM_Disasm::DisassembleUMLAL(Opcode opcode, u32 insn)
{
- uint8_t cond = (insn >> 28) & 0xf;
- uint8_t rdhi = (insn >> 16) & 0xf;
- uint8_t rdlo = (insn >> 12) & 0xf;
- uint8_t rs = (insn >> 8) & 0xf;
- uint8_t rm = insn & 0xf;
- uint8_t bit_s = (insn >> 20) & 1;
+ u8 cond = (insn >> 28) & 0xf;
+ u8 rdhi = (insn >> 16) & 0xf;
+ u8 rdlo = (insn >> 12) & 0xf;
+ u8 rs = (insn >> 8) & 0xf;
+ u8 rm = insn & 0xf;
+ u8 bit_s = (insn >> 20) & 1;
const char *opname = opcode_names[opcode];
return Common::StringFromFormat("%s%s%s\tr%d, r%d, r%d, r%d",
opname, cond_to_str(cond), bit_s ? "s" : "", rdlo, rdhi, rm, rs);
}
-std::string ARM_Disasm::DisassembleMUL(Opcode opcode, uint32_t insn)
+std::string ARM_Disasm::DisassembleMUL(Opcode opcode, u32 insn)
{
- uint8_t cond = (insn >> 28) & 0xf;
- uint8_t rd = (insn >> 16) & 0xf;
- uint8_t rs = (insn >> 8) & 0xf;
- uint8_t rm = insn & 0xf;
- uint8_t bit_s = (insn >> 20) & 1;
+ u8 cond = (insn >> 28) & 0xf;
+ u8 rd = (insn >> 16) & 0xf;
+ u8 rs = (insn >> 8) & 0xf;
+ u8 rm = insn & 0xf;
+ u8 bit_s = (insn >> 20) & 1;
const char *opname = opcode_names[opcode];
return Common::StringFromFormat("%s%s%s\tr%d, r%d, r%d",
opname, cond_to_str(cond), bit_s ? "s" : "", rd, rm, rs);
}
-std::string ARM_Disasm::DisassembleMRS(uint32_t insn)
+std::string ARM_Disasm::DisassembleMRS(u32 insn)
{
- uint8_t cond = (insn >> 28) & 0xf;
- uint8_t rd = (insn >> 12) & 0xf;
- uint8_t ps = (insn >> 22) & 1;
+ u8 cond = (insn >> 28) & 0xf;
+ u8 rd = (insn >> 12) & 0xf;
+ u8 ps = (insn >> 22) & 1;
return Common::StringFromFormat("mrs%s\tr%d, %s", cond_to_str(cond), rd, ps ? "spsr" : "cpsr");
}
-std::string ARM_Disasm::DisassembleMSR(uint32_t insn)
+std::string ARM_Disasm::DisassembleMSR(u32 insn)
{
char flags[8];
int flag_index = 0;
- uint8_t cond = (insn >> 28) & 0xf;
- uint8_t is_immed = (insn >> 25) & 0x1;
- uint8_t pd = (insn >> 22) & 1;
- uint8_t mask = (insn >> 16) & 0xf;
+ u8 cond = (insn >> 28) & 0xf;
+ u8 is_immed = (insn >> 25) & 0x1;
+ u8 pd = (insn >> 22) & 1;
+ u8 mask = (insn >> 16) & 0xf;
if (mask & 1)
flags[flag_index++] = 'c';
@@ -840,44 +842,44 @@ std::string ARM_Disasm::DisassembleMSR(uint32_t insn)
flags[flag_index] = 0;
if (is_immed) {
- uint32_t immed = insn & 0xff;
- uint8_t rotate = (insn >> 8) & 0xf;
- uint8_t rotate2 = rotate << 1;
- uint32_t rotated_val = (immed >> rotate2) | (immed << (32 - rotate2));
+ u32 immed = insn & 0xff;
+ u8 rotate = (insn >> 8) & 0xf;
+ u8 rotate2 = rotate << 1;
+ u32 rotated_val = (immed >> rotate2) | (immed << (32 - rotate2));
return Common::StringFromFormat("msr%s\t%s_%s, #0x%x",
cond_to_str(cond), pd ? "spsr" : "cpsr", flags, rotated_val);
}
- uint8_t rm = insn & 0xf;
+ u8 rm = insn & 0xf;
return Common::StringFromFormat("msr%s\t%s_%s, r%d",
cond_to_str(cond), pd ? "spsr" : "cpsr", flags, rm);
}
-std::string ARM_Disasm::DisassembleNoOperands(Opcode opcode, uint32_t insn)
+std::string ARM_Disasm::DisassembleNoOperands(Opcode opcode, u32 insn)
{
- uint32_t cond = BITS(insn, 28, 31);
+ u32 cond = BITS(insn, 28, 31);
return Common::StringFromFormat("%s%s", opcode_names[opcode], cond_to_str(cond));
}
-std::string ARM_Disasm::DisassembleParallelAddSub(Opcode opcode, uint32_t insn) {
- uint32_t cond = BITS(insn, 28, 31);
- uint32_t rn = BITS(insn, 16, 19);
- uint32_t rd = BITS(insn, 12, 15);
- uint32_t rm = BITS(insn, 0, 3);
+std::string ARM_Disasm::DisassembleParallelAddSub(Opcode opcode, u32 insn) {
+ u32 cond = BITS(insn, 28, 31);
+ u32 rn = BITS(insn, 16, 19);
+ u32 rd = BITS(insn, 12, 15);
+ u32 rm = BITS(insn, 0, 3);
return Common::StringFromFormat("%s%s\tr%u, r%u, r%u", opcode_names[opcode], cond_to_str(cond),
rd, rn, rm);
}
-std::string ARM_Disasm::DisassemblePKH(uint32_t insn)
+std::string ARM_Disasm::DisassemblePKH(u32 insn)
{
- uint32_t cond = BITS(insn, 28, 31);
- uint32_t rn = BITS(insn, 16, 19);
- uint32_t rd = BITS(insn, 12, 15);
- uint32_t imm5 = BITS(insn, 7, 11);
- uint32_t tb = BIT(insn, 6);
- uint32_t rm = BITS(insn, 0, 3);
+ u32 cond = BITS(insn, 28, 31);
+ u32 rn = BITS(insn, 16, 19);
+ u32 rd = BITS(insn, 12, 15);
+ u32 imm5 = BITS(insn, 7, 11);
+ u32 tb = BIT(insn, 6);
+ u32 rm = BITS(insn, 0, 3);
std::string suffix = tb ? "tb" : "bt";
std::string shift = "";
@@ -894,22 +896,22 @@ std::string ARM_Disasm::DisassemblePKH(uint32_t insn)
rd, rn, rm, shift.c_str());
}
-std::string ARM_Disasm::DisassemblePLD(uint32_t insn)
+std::string ARM_Disasm::DisassemblePLD(u32 insn)
{
- uint8_t is_reg = (insn >> 25) & 0x1;
- uint8_t is_up = (insn >> 23) & 0x1;
- uint8_t rn = (insn >> 16) & 0xf;
+ u8 is_reg = (insn >> 25) & 0x1;
+ u8 is_up = (insn >> 23) & 0x1;
+ u8 rn = (insn >> 16) & 0xf;
const char *minus = "";
if (is_up == 0)
minus = "-";
if (is_reg) {
- uint8_t rm = insn & 0xf;
+ u8 rm = insn & 0xf;
return Common::StringFromFormat("pld\t[r%d, %sr%d]", rn, minus, rm);
}
- uint16_t offset = insn & 0xfff;
+ u16 offset = insn & 0xfff;
if (offset == 0) {
return Common::StringFromFormat("pld\t[r%d]", rn);
} else {
@@ -917,20 +919,20 @@ std::string ARM_Disasm::DisassemblePLD(uint32_t insn)
}
}
-std::string ARM_Disasm::DisassembleREV(Opcode opcode, uint32_t insn) {
- uint32_t cond = BITS(insn, 28, 31);
- uint32_t rd = BITS(insn, 12, 15);
- uint32_t rm = BITS(insn, 0, 3);
+std::string ARM_Disasm::DisassembleREV(Opcode opcode, u32 insn) {
+ u32 cond = BITS(insn, 28, 31);
+ u32 rd = BITS(insn, 12, 15);
+ u32 rm = BITS(insn, 0, 3);
return Common::StringFromFormat("%s%s\tr%u, r%u", opcode_names[opcode], cond_to_str(cond),
rd, rm);
}
-std::string ARM_Disasm::DisassembleREX(Opcode opcode, uint32_t insn) {
- uint32_t rn = BITS(insn, 16, 19);
- uint32_t rd = BITS(insn, 12, 15);
- uint32_t rt = BITS(insn, 0, 3);
- uint32_t cond = BITS(insn, 28, 31);
+std::string ARM_Disasm::DisassembleREX(Opcode opcode, u32 insn) {
+ u32 rn = BITS(insn, 16, 19);
+ u32 rd = BITS(insn, 12, 15);
+ u32 rt = BITS(insn, 0, 3);
+ u32 cond = BITS(insn, 28, 31);
switch (opcode) {
case OP_STREX:
@@ -956,13 +958,13 @@ std::string ARM_Disasm::DisassembleREX(Opcode opcode, uint32_t insn) {
}
}
-std::string ARM_Disasm::DisassembleSAT(Opcode opcode, uint32_t insn) {
- uint32_t cond = BITS(insn, 28, 31);
- uint32_t sat_imm = BITS(insn, 16, 20);
- uint32_t rd = BITS(insn, 12, 15);
- uint32_t imm5 = BITS(insn, 7, 11);
- uint32_t sh = BIT(insn, 6);
- uint32_t rn = BITS(insn, 0, 3);
+std::string ARM_Disasm::DisassembleSAT(Opcode opcode, u32 insn) {
+ u32 cond = BITS(insn, 28, 31);
+ u32 sat_imm = BITS(insn, 16, 20);
+ u32 rd = BITS(insn, 12, 15);
+ u32 imm5 = BITS(insn, 7, 11);
+ u32 sh = BIT(insn, 6);
+ u32 rn = BITS(insn, 0, 3);
std::string shift_part = "";
bool opcode_has_shift = (opcode == OP_SSAT) || (opcode == OP_USAT);
@@ -984,42 +986,42 @@ std::string ARM_Disasm::DisassembleSAT(Opcode opcode, uint32_t insn) {
sat_imm, rn, shift_part.c_str());
}
-std::string ARM_Disasm::DisassembleSEL(uint32_t insn) {
- uint32_t cond = BITS(insn, 28, 31);
- uint32_t rn = BITS(insn, 16, 19);
- uint32_t rd = BITS(insn, 12, 15);
- uint32_t rm = BITS(insn, 0, 3);
+std::string ARM_Disasm::DisassembleSEL(u32 insn) {
+ u32 cond = BITS(insn, 28, 31);
+ u32 rn = BITS(insn, 16, 19);
+ u32 rd = BITS(insn, 12, 15);
+ u32 rm = BITS(insn, 0, 3);
return Common::StringFromFormat("%s%s\tr%u, r%u, r%u", opcode_names[OP_SEL], cond_to_str(cond),
rd, rn, rm);
}
-std::string ARM_Disasm::DisassembleSWI(uint32_t insn)
+std::string ARM_Disasm::DisassembleSWI(u32 insn)
{
- uint8_t cond = (insn >> 28) & 0xf;
- uint32_t sysnum = insn & 0x00ffffff;
+ u8 cond = (insn >> 28) & 0xf;
+ u32 sysnum = insn & 0x00ffffff;
return Common::StringFromFormat("swi%s 0x%x", cond_to_str(cond), sysnum);
}
-std::string ARM_Disasm::DisassembleSWP(Opcode opcode, uint32_t insn)
+std::string ARM_Disasm::DisassembleSWP(Opcode opcode, u32 insn)
{
- uint8_t cond = (insn >> 28) & 0xf;
- uint8_t rn = (insn >> 16) & 0xf;
- uint8_t rd = (insn >> 12) & 0xf;
- uint8_t rm = insn & 0xf;
+ u8 cond = (insn >> 28) & 0xf;
+ u8 rn = (insn >> 16) & 0xf;
+ u8 rd = (insn >> 12) & 0xf;
+ u8 rm = insn & 0xf;
const char *opname = opcode_names[opcode];
return Common::StringFromFormat("%s%s\tr%d, r%d, [r%d]", opname, cond_to_str(cond), rd, rm, rn);
}
-std::string ARM_Disasm::DisassembleXT(Opcode opcode, uint32_t insn)
+std::string ARM_Disasm::DisassembleXT(Opcode opcode, u32 insn)
{
- uint32_t cond = BITS(insn, 28, 31);
- uint32_t rn = BITS(insn, 16, 19);
- uint32_t rd = BITS(insn, 12, 15);
- uint32_t rotate = BITS(insn, 10, 11);
- uint32_t rm = BITS(insn, 0, 3);
+ u32 cond = BITS(insn, 28, 31);
+ u32 rn = BITS(insn, 16, 19);
+ u32 rd = BITS(insn, 12, 15);
+ u32 rotate = BITS(insn, 10, 11);
+ u32 rm = BITS(insn, 0, 3);
std::string rn_part = "";
static std::unordered_set<Opcode, std::hash<int>> extend_with_add = {
@@ -1037,8 +1039,8 @@ std::string ARM_Disasm::DisassembleXT(Opcode opcode, uint32_t insn)
rd, rn_part.c_str(), rm, rotate_part.c_str());
}
-Opcode ARM_Disasm::Decode(uint32_t insn) {
- uint32_t bits27_26 = (insn >> 26) & 0x3;
+Opcode ARM_Disasm::Decode(u32 insn) {
+ u32 bits27_26 = (insn >> 26) & 0x3;
switch (bits27_26) {
case 0x0:
return Decode00(insn);
@@ -1052,9 +1054,9 @@ Opcode ARM_Disasm::Decode(uint32_t insn) {
return OP_INVALID;
}
-Opcode ARM_Disasm::Decode00(uint32_t insn) {
- uint8_t bit25 = (insn >> 25) & 0x1;
- uint8_t bit4 = (insn >> 4) & 0x1;
+Opcode ARM_Disasm::Decode00(u32 insn) {
+ u8 bit25 = (insn >> 25) & 0x1;
+ u8 bit4 = (insn >> 4) & 0x1;
if (bit25 == 0 && bit4 == 1) {
if ((insn & 0x0ffffff0) == 0x012fff10) {
// Bx instruction
@@ -1068,9 +1070,9 @@ Opcode ARM_Disasm::Decode00(uint32_t insn) {
// Bkpt instruction
return OP_BKPT;
}
- uint32_t bits7_4 = (insn >> 4) & 0xf;
+ u32 bits7_4 = (insn >> 4) & 0xf;
if (bits7_4 == 0x9) {
- uint32_t bit24 = BIT(insn, 24);
+ u32 bit24 = BIT(insn, 24);
if (bit24) {
return DecodeSyncPrimitive(insn);
}
@@ -1078,14 +1080,14 @@ Opcode ARM_Disasm::Decode00(uint32_t insn) {
return DecodeMUL(insn);
}
- uint8_t bit7 = (insn >> 7) & 0x1;
+ u8 bit7 = (insn >> 7) & 0x1;
if (bit7 == 1) {
// One of the load/store halfword/byte instructions
return DecodeLDRH(insn);
}
}
- uint32_t op1 = BITS(insn, 20, 24);
+ u32 op1 = BITS(insn, 20, 24);
if (bit25 && (op1 == 0x12 || op1 == 0x16)) {
// One of the MSR (immediate) and hints instructions
return DecodeMSRImmAndHints(insn);
@@ -1095,13 +1097,13 @@ Opcode ARM_Disasm::Decode00(uint32_t insn) {
return DecodeALU(insn);
}
-Opcode ARM_Disasm::Decode01(uint32_t insn) {
- uint8_t is_reg = (insn >> 25) & 0x1;
- uint8_t bit4 = (insn >> 4) & 0x1;
+Opcode ARM_Disasm::Decode01(u32 insn) {
+ u8 is_reg = (insn >> 25) & 0x1;
+ u8 bit4 = (insn >> 4) & 0x1;
if (is_reg == 1 && bit4 == 1)
return DecodeMedia(insn);
- uint8_t is_load = (insn >> 20) & 0x1;
- uint8_t is_byte = (insn >> 22) & 0x1;
+ u8 is_load = (insn >> 20) & 0x1;
+ u8 is_byte = (insn >> 22) & 0x1;
if ((insn & 0xfd70f000) == 0xf550f000) {
// Pre-load
return OP_PLD;
@@ -1126,11 +1128,11 @@ Opcode ARM_Disasm::Decode01(uint32_t insn) {
return OP_STR;
}
-Opcode ARM_Disasm::Decode10(uint32_t insn) {
- uint8_t bit25 = (insn >> 25) & 0x1;
+Opcode ARM_Disasm::Decode10(u32 insn) {
+ u8 bit25 = (insn >> 25) & 0x1;
if (bit25 == 0) {
// LDM/STM
- uint8_t is_load = (insn >> 20) & 0x1;
+ u8 is_load = (insn >> 20) & 0x1;
if (is_load)
return OP_LDM;
return OP_STM;
@@ -1143,11 +1145,11 @@ Opcode ARM_Disasm::Decode10(uint32_t insn) {
return OP_B;
}
-Opcode ARM_Disasm::Decode11(uint32_t insn) {
- uint8_t bit25 = (insn >> 25) & 0x1;
+Opcode ARM_Disasm::Decode11(u32 insn) {
+ u8 bit25 = (insn >> 25) & 0x1;
if (bit25 == 0) {
// LDC, SDC
- uint8_t is_load = (insn >> 20) & 0x1;
+ u8 is_load = (insn >> 20) & 0x1;
if (is_load) {
// LDC
return OP_LDC;
@@ -1156,18 +1158,18 @@ Opcode ARM_Disasm::Decode11(uint32_t insn) {
return OP_STC;
}
- uint8_t bit24 = (insn >> 24) & 0x1;
+ u8 bit24 = (insn >> 24) & 0x1;
if (bit24 == 0x1) {
// SWI
return OP_SWI;
}
- uint8_t bit4 = (insn >> 4) & 0x1;
- uint8_t cpnum = (insn >> 8) & 0xf;
+ u8 bit4 = (insn >> 4) & 0x1;
+ u8 cpnum = (insn >> 8) & 0xf;
if (cpnum == 15) {
// Special case for coprocessor 15
- uint8_t opcode = (insn >> 21) & 0x7;
+ u8 opcode = (insn >> 21) & 0x7;
if (bit4 == 0 || opcode != 0) {
// This is an unexpected bit pattern. Create an undefined
// instruction in case this is ever executed.
@@ -1175,7 +1177,7 @@ Opcode ARM_Disasm::Decode11(uint32_t insn) {
}
// MRC, MCR
- uint8_t is_mrc = (insn >> 20) & 0x1;
+ u8 is_mrc = (insn >> 20) & 0x1;
if (is_mrc)
return OP_MRC;
return OP_MCR;
@@ -1186,15 +1188,15 @@ Opcode ARM_Disasm::Decode11(uint32_t insn) {
return OP_CDP;
}
// MRC, MCR
- uint8_t is_mrc = (insn >> 20) & 0x1;
+ u8 is_mrc = (insn >> 20) & 0x1;
if (is_mrc)
return OP_MRC;
return OP_MCR;
}
-Opcode ARM_Disasm::DecodeSyncPrimitive(uint32_t insn) {
- uint32_t op = BITS(insn, 20, 23);
- uint32_t bit22 = BIT(insn, 22);
+Opcode ARM_Disasm::DecodeSyncPrimitive(u32 insn) {
+ u32 op = BITS(insn, 20, 23);
+ u32 bit22 = BIT(insn, 22);
switch (op) {
case 0x0:
if (bit22)
@@ -1221,10 +1223,10 @@ Opcode ARM_Disasm::DecodeSyncPrimitive(uint32_t insn) {
}
}
-Opcode ARM_Disasm::DecodeParallelAddSub(uint32_t insn) {
- uint32_t op1 = BITS(insn, 20, 21);
- uint32_t op2 = BITS(insn, 5, 7);
- uint32_t is_unsigned = BIT(insn, 22);
+Opcode ARM_Disasm::DecodeParallelAddSub(u32 insn) {
+ u32 op1 = BITS(insn, 20, 21);
+ u32 op2 = BITS(insn, 5, 7);
+ u32 is_unsigned = BIT(insn, 22);
if (op1 == 0x0 || op2 == 0x5 || op2 == 0x6)
return OP_UNDEFINED;
@@ -1260,14 +1262,14 @@ Opcode ARM_Disasm::DecodeParallelAddSub(uint32_t insn) {
OP_SHSUB8, OP_UHSUB8
};
- uint32_t opcode_index = op1 * 12 + op2 * 2 + is_unsigned;
+ u32 opcode_index = op1 * 12 + op2 * 2 + is_unsigned;
return opcodes[opcode_index];
}
-Opcode ARM_Disasm::DecodePackingSaturationReversal(uint32_t insn) {
- uint32_t op1 = BITS(insn, 20, 22);
- uint32_t a = BITS(insn, 16, 19);
- uint32_t op2 = BITS(insn, 5, 7);
+Opcode ARM_Disasm::DecodePackingSaturationReversal(u32 insn) {
+ u32 op1 = BITS(insn, 20, 22);
+ u32 a = BITS(insn, 16, 19);
+ u32 op2 = BITS(insn, 5, 7);
switch (op1) {
case 0x0:
@@ -1335,16 +1337,16 @@ Opcode ARM_Disasm::DecodePackingSaturationReversal(uint32_t insn) {
return OP_UNDEFINED;
}
-Opcode ARM_Disasm::DecodeMUL(uint32_t insn) {
- uint8_t bit24 = (insn >> 24) & 0x1;
+Opcode ARM_Disasm::DecodeMUL(u32 insn) {
+ u8 bit24 = (insn >> 24) & 0x1;
if (bit24 != 0) {
// This is an unexpected bit pattern. Create an undefined
// instruction in case this is ever executed.
return OP_UNDEFINED;
}
- uint8_t bit23 = (insn >> 23) & 0x1;
- uint8_t bit22_U = (insn >> 22) & 0x1;
- uint8_t bit21_A = (insn >> 21) & 0x1;
+ u8 bit23 = (insn >> 23) & 0x1;
+ u8 bit22_U = (insn >> 22) & 0x1;
+ u8 bit21_A = (insn >> 21) & 0x1;
if (bit23 == 0) {
// 32-bit multiply
if (bit22_U != 0) {
@@ -1369,10 +1371,10 @@ Opcode ARM_Disasm::DecodeMUL(uint32_t insn) {
return OP_SMLAL;
}
-Opcode ARM_Disasm::DecodeMSRImmAndHints(uint32_t insn) {
- uint32_t op = BIT(insn, 22);
- uint32_t op1 = BITS(insn, 16, 19);
- uint32_t op2 = BITS(insn, 0, 7);
+Opcode ARM_Disasm::DecodeMSRImmAndHints(u32 insn) {
+ u32 op = BIT(insn, 22);
+ u32 op1 = BITS(insn, 16, 19);
+ u32 op2 = BITS(insn, 0, 7);
if (op == 0 && op1 == 0) {
switch (op2) {
@@ -1394,10 +1396,10 @@ Opcode ARM_Disasm::DecodeMSRImmAndHints(uint32_t insn) {
return OP_MSR;
}
-Opcode ARM_Disasm::DecodeMediaMulDiv(uint32_t insn) {
- uint32_t op1 = BITS(insn, 20, 22);
- uint32_t op2_h = BITS(insn, 6, 7);
- uint32_t a = BITS(insn, 12, 15);
+Opcode ARM_Disasm::DecodeMediaMulDiv(u32 insn) {
+ u32 op1 = BITS(insn, 20, 22);
+ u32 op2_h = BITS(insn, 6, 7);
+ u32 a = BITS(insn, 12, 15);
switch (op1) {
case 0x0:
@@ -1436,10 +1438,10 @@ Opcode ARM_Disasm::DecodeMediaMulDiv(uint32_t insn) {
return OP_UNDEFINED;
}
-Opcode ARM_Disasm::DecodeMedia(uint32_t insn) {
- uint32_t op1 = BITS(insn, 20, 24);
- uint32_t rd = BITS(insn, 12, 15);
- uint32_t op2 = BITS(insn, 5, 7);
+Opcode ARM_Disasm::DecodeMedia(u32 insn) {
+ u32 op1 = BITS(insn, 20, 24);
+ u32 rd = BITS(insn, 12, 15);
+ u32 op2 = BITS(insn, 5, 7);
switch (BITS(op1, 3, 4)) {
case 0x0:
@@ -1464,9 +1466,9 @@ Opcode ARM_Disasm::DecodeMedia(uint32_t insn) {
return OP_UNDEFINED;
}
-Opcode ARM_Disasm::DecodeLDRH(uint32_t insn) {
- uint8_t is_load = (insn >> 20) & 0x1;
- uint8_t bits_65 = (insn >> 5) & 0x3;
+Opcode ARM_Disasm::DecodeLDRH(u32 insn) {
+ u8 is_load = (insn >> 20) & 0x1;
+ u8 bits_65 = (insn >> 5) & 0x3;
if (is_load) {
if (bits_65 == 0x1) {
// Load unsigned halfword
@@ -1494,12 +1496,12 @@ Opcode ARM_Disasm::DecodeLDRH(uint32_t insn) {
return OP_STRH;
}
-Opcode ARM_Disasm::DecodeALU(uint32_t insn) {
- uint8_t is_immed = (insn >> 25) & 0x1;
- uint8_t opcode = (insn >> 21) & 0xf;
- uint8_t bit_s = (insn >> 20) & 1;
- uint8_t shift_is_reg = (insn >> 4) & 1;
- uint8_t bit7 = (insn >> 7) & 1;
+Opcode ARM_Disasm::DecodeALU(u32 insn) {
+ u8 is_immed = (insn >> 25) & 0x1;
+ u8 opcode = (insn >> 21) & 0xf;
+ u8 bit_s = (insn >> 20) & 1;
+ u8 shift_is_reg = (insn >> 4) & 1;
+ u8 bit7 = (insn >> 7) & 1;
if (!is_immed && shift_is_reg && (bit7 != 0)) {
// This is an unexpected bit pattern. Create an undefined
// instruction in case this is ever executed.
generated by cgit v1.2.3 (git 2.39.1) at 2024-04-19 20:36:21 +0000