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Merge pull request #1028 from aroulin/arm-disas-media-instr 

arm_disasm: ARMv6 media instructions
nce_cpp
bunnei 11 years ago
parent
b104d30596 1af26ea3d8
commit
16d240c1fc
2 changed files with 545 additions and 1 deletions
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  1. 467
      src/core/arm/disassembler/arm_disasm.cpp
  2. 79
      src/core/arm/disassembler/arm_disasm.h

467
src/core/arm/disassembler/arm_disasm.cpp
View File

@ -1,6 +1,7 @@
// Copyright 2006 The Android Open Source Project // Copyright 2006 The Android Open Source Project
#include <string> #include <string>
#include <unordered_set>
#include "common/string_util.h" #include "common/string_util.h"
#include "core/arm/disassembler/arm_disasm.h" #include "core/arm/disassembler/arm_disasm.h"
@ -66,13 +67,47 @@ static const char *opcode_names[] = {
"mvn", "mvn",
"nop", "nop",
"orr", "orr",
"pkh",
"pld", "pld",
"qadd16",
"qadd8",
"qasx",
"qsax",
"qsub16",
"qsub8",
"rev",
"rev16",
"revsh",
"rsb", "rsb",
"rsc", "rsc",
"sadd16",
"sadd8",
"sasx",
"sbc", "sbc",
"sel",
"sev", "sev",
"shadd16",
"shadd8",
"shasx",
"shsax",
"shsub16",
"shsub8",
"smlad",
"smlal", "smlal",
"smlald",
"smlsd",
"smlsld",
"smmla",
"smmls",
"smmul",
"smuad",
"smull", "smull",
"smusd",
"ssat",
"ssat16",
"ssax",
"ssub16",
"ssub8",
"stc", "stc",
"stm", "stm",
"str", "str",
@ -88,10 +123,44 @@ static const char *opcode_names[] = {
"swi", "swi",
"swp", "swp",
"swpb", "swpb",
"sxtab",
"sxtab16",
"sxtah",
"sxtb",
"sxtb16",
"sxth",
"teq", "teq",
"tst", "tst",
"uadd16",
"uadd8",
"uasx",
"uhadd16",
"uhadd8",
"uhasx",
"uhsax",
"uhsub16",
"uhsub8",
"umlal", "umlal",
"umull", "umull",
"uqadd16",
"uqadd8",
"uqasx",
"uqsax",
"uqsub16",
"uqsub8",
"usad8",
"usada8",
"usat",
"usat16",
"usax",
"usub16",
"usub8",
"uxtab",
"uxtab16",
"uxtah",
"uxtb",
"uxtb16",
"uxth",
"wfe", "wfe",
"wfi", "wfi",
"yield", "yield",
@ -236,8 +305,70 @@ std::string ARM_Disasm::Disassemble(uint32_t addr, uint32_t insn)
case OP_WFI: case OP_WFI:
case OP_YIELD: case OP_YIELD:
return DisassembleNoOperands(opcode, insn); return DisassembleNoOperands(opcode, insn);
case OP_PKH:
return DisassemblePKH(insn);
case OP_PLD: case OP_PLD:
return DisassemblePLD(insn); return DisassemblePLD(insn);
case OP_QADD16:
case OP_QADD8:
case OP_QASX:
case OP_QSAX:
case OP_QSUB16:
case OP_QSUB8:
case OP_SADD16:
case OP_SADD8:
case OP_SASX:
case OP_SHADD16:
case OP_SHADD8:
case OP_SHASX:
case OP_SHSAX:
case OP_SHSUB16:
case OP_SHSUB8:
case OP_SSAX:
case OP_SSUB16:
case OP_SSUB8:
case OP_UADD16:
case OP_UADD8:
case OP_UASX:
case OP_UHADD16:
case OP_UHADD8:
case OP_UHASX:
case OP_UHSAX:
case OP_UHSUB16:
case OP_UHSUB8:
case OP_UQADD16:
case OP_UQADD8:
case OP_UQASX:
case OP_UQSAX:
case OP_UQSUB16:
case OP_UQSUB8:
case OP_USAX:
case OP_USUB16:
case OP_USUB8:
return DisassembleParallelAddSub(opcode, insn);
case OP_REV:
case OP_REV16:
case OP_REVSH:
return DisassembleREV(opcode, insn);
case OP_SEL:
return DisassembleSEL(insn);
case OP_SMLAD:
case OP_SMLALD:
case OP_SMLSD:
case OP_SMLSLD:
case OP_SMMLA:
case OP_SMMLS:
case OP_SMMUL:
case OP_SMUAD:
case OP_SMUSD:
case OP_USAD8:
case OP_USADA8:
return DisassembleMediaMulDiv(opcode, insn);
case OP_SSAT:
case OP_SSAT16:
case OP_USAT:
case OP_USAT16:
return DisassembleSAT(opcode, insn);
case OP_STC: case OP_STC:
return "stc"; return "stc";
case OP_SWI: case OP_SWI:
@ -245,6 +376,19 @@ std::string ARM_Disasm::Disassemble(uint32_t addr, uint32_t insn)
case OP_SWP: case OP_SWP:
case OP_SWPB: case OP_SWPB:
return DisassembleSWP(opcode, insn); return DisassembleSWP(opcode, insn);
case OP_SXTAB:
case OP_SXTAB16:
case OP_SXTAH:
case OP_SXTB:
case OP_SXTB16:
case OP_SXTH:
case OP_UXTAB:
case OP_UXTAB16:
case OP_UXTAH:
case OP_UXTB:
case OP_UXTB16:
case OP_UXTH:
return DisassembleXT(opcode, insn);
case OP_UMLAL: case OP_UMLAL:
case OP_UMULL: case OP_UMULL:
case OP_SMLAL: case OP_SMLAL:
@ -382,6 +526,38 @@ std::string ARM_Disasm::DisassembleCLZ(uint32_t insn)
return Common::StringFromFormat("clz%s\tr%d, r%d", cond_to_str(cond), rd, rm); 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 cross = "";
if (m) {
if (opcode == OP_SMMLA || opcode == OP_SMMUL || opcode == OP_SMMLS)
cross = "r";
else
cross = "x";
}
std::string ext_reg = "";
std::unordered_set<Opcode, std::hash<int>> with_ext_reg = {
OP_SMLAD, OP_SMLSD, OP_SMMLA, OP_SMMLS, OP_USADA8
};
if (with_ext_reg.find(opcode) != with_ext_reg.end())
ext_reg = Common::StringFromFormat(", r%u", ra);
std::string rd_low = "";
if (opcode == OP_SMLALD || opcode == OP_SMLSLD)
rd_low = Common::StringFromFormat("r%u, ", ra);
return Common::StringFromFormat("%s%s%s\t%sr%u, r%u, r%u%s", opcode_names[opcode],
cross.c_str(), cond_to_str(cond), rd_low.c_str(), rd, rn, rm,
ext_reg.c_str());
}
std::string ARM_Disasm::DisassembleMemblock(Opcode opcode, uint32_t insn) std::string ARM_Disasm::DisassembleMemblock(Opcode opcode, uint32_t insn)
{ {
std::string tmp_list; std::string tmp_list;
@ -684,6 +860,40 @@ std::string ARM_Disasm::DisassembleNoOperands(Opcode opcode, uint32_t insn)
return Common::StringFromFormat("%s%s", opcode_names[opcode], cond_to_str(cond)); 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);
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)
{
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);
std::string suffix = tb ? "tb" : "bt";
std::string shift = "";
if (tb && imm5 == 0)
imm5 = 32;
if (imm5 > 0) {
shift = tb ? ", ASR" : ", LSL";
shift += " #" + std::to_string(imm5);
}
return Common::StringFromFormat("pkh%s%s\tr%u, r%u, r%u%s", suffix.c_str(), cond_to_str(cond),
rd, rn, rm, shift.c_str());
}
std::string ARM_Disasm::DisassemblePLD(uint32_t insn) std::string ARM_Disasm::DisassemblePLD(uint32_t insn)
{ {
uint8_t is_reg = (insn >> 25) & 0x1; uint8_t is_reg = (insn >> 25) & 0x1;
@ -707,6 +917,15 @@ 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);
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) { std::string ARM_Disasm::DisassembleREX(Opcode opcode, uint32_t insn) {
uint32_t rn = BITS(insn, 16, 19); uint32_t rn = BITS(insn, 16, 19);
uint32_t rd = BITS(insn, 12, 15); uint32_t rd = BITS(insn, 12, 15);
@ -737,6 +956,44 @@ 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 shift_part = "";
bool opcode_has_shift = (opcode == OP_SSAT) || (opcode == OP_USAT);
if (opcode_has_shift && !(sh == 0 && imm5 == 0)) {
if (sh == 0)
shift_part += ", LSL #";
else
shift_part += ", ASR #";
if (imm5 == 0)
imm5 = 32;
shift_part += std::to_string(imm5);
}
if (opcode == OP_SSAT || opcode == OP_SSAT16)
sat_imm++;
return Common::StringFromFormat("%s%s\tr%u, #%u, r%u%s", opcode_names[opcode], cond_to_str(cond), rd,
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);
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(uint32_t insn)
{ {
uint8_t cond = (insn >> 28) & 0xf; uint8_t cond = (insn >> 28) & 0xf;
@ -756,6 +1013,30 @@ std::string ARM_Disasm::DisassembleSWP(Opcode opcode, uint32_t insn)
return Common::StringFromFormat("%s%s\tr%d, r%d, [r%d]", opname, cond_to_str(cond), rd, rm, rn); 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)
{
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);
std::string rn_part = "";
static std::unordered_set<Opcode, std::hash<int>> extend_with_add = {
OP_SXTAB, OP_SXTAB16, OP_SXTAH,
OP_UXTAB, OP_UXTAB16, OP_UXTAH
};
if (extend_with_add.find(opcode) != extend_with_add.end())
rn_part = ", r" + std::to_string(rn);
std::string rotate_part = "";
if (rotate != 0)
rotate_part = ", ROR #" + std::to_string(rotate << 3);
return Common::StringFromFormat("%s%s\tr%u%s, r%u%s", opcode_names[opcode], cond_to_str(cond),
rd, rn_part.c_str(), rm, rotate_part.c_str());
}
Opcode ARM_Disasm::Decode(uint32_t insn) { Opcode ARM_Disasm::Decode(uint32_t insn) {
uint32_t bits27_26 = (insn >> 26) & 0x3; uint32_t bits27_26 = (insn >> 26) & 0x3;
switch (bits27_26) { switch (bits27_26) {
@ -818,7 +1099,7 @@ Opcode ARM_Disasm::Decode01(uint32_t insn) {
uint8_t is_reg = (insn >> 25) & 0x1; uint8_t is_reg = (insn >> 25) & 0x1;
uint8_t bit4 = (insn >> 4) & 0x1; uint8_t bit4 = (insn >> 4) & 0x1;
if (is_reg == 1 && bit4 == 1) if (is_reg == 1 && bit4 == 1)
return OP_UNDEFINED;
return DecodeMedia(insn);
uint8_t is_load = (insn >> 20) & 0x1; uint8_t is_load = (insn >> 20) & 0x1;
uint8_t is_byte = (insn >> 22) & 0x1; uint8_t is_byte = (insn >> 22) & 0x1;
if ((insn & 0xfd70f000) == 0xf550f000) { if ((insn & 0xfd70f000) == 0xf550f000) {
@ -940,6 +1221,120 @@ 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);
if (op1 == 0x0 || op2 == 0x5 || op2 == 0x6)
return OP_UNDEFINED;
// change op1 range from [1, 3] to range [0, 2]
op1--;
// change op2 range from [0, 4] U {7} to range [0, 5]
if (op2 == 0x7)
op2 = 0x5;
static std::vector<Opcode> opcodes = {
// op1 = 0
OP_SADD16, OP_UADD16,
OP_SASX, OP_UASX,
OP_SSAX, OP_USAX,
OP_SSUB16, OP_USUB16,
OP_SADD8, OP_UADD8,
OP_SSUB8, OP_USUB8,
// op1 = 1
OP_QADD16, OP_UQADD16,
OP_QASX, OP_UQASX,
OP_QSAX, OP_UQSAX,
OP_QSUB16, OP_UQSUB16,
OP_QADD8, OP_UQADD8,
OP_QSUB8, OP_UQSUB8,
// op1 = 2
OP_SHADD16, OP_UHADD16,
OP_SHASX, OP_UHASX,
OP_SHSAX, OP_UHSAX,
OP_SHSUB16, OP_UHSUB16,
OP_SHADD8, OP_UHADD8,
OP_SHSUB8, OP_UHSUB8
};
uint32_t 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);
switch (op1) {
case 0x0:
if (BIT(op2, 0) == 0)
return OP_PKH;
if (op2 == 0x3 && a != 0xf)
return OP_SXTAB16;
if (op2 == 0x3 && a == 0xf)
return OP_SXTB16;
if (op2 == 0x5)
return OP_SEL;
break;
case 0x2:
if (BIT(op2, 0) == 0)
return OP_SSAT;
if (op2 == 0x1)
return OP_SSAT16;
if (op2 == 0x3 && a != 0xf)
return OP_SXTAB;
if (op2 == 0x3 && a == 0xf)
return OP_SXTB;
break;
case 0x3:
if (op2 == 0x1)
return OP_REV;
if (BIT(op2, 0) == 0)
return OP_SSAT;
if (op2 == 0x3 && a != 0xf)
return OP_SXTAH;
if (op2 == 0x3 && a == 0xf)
return OP_SXTH;
if (op2 == 0x5)
return OP_REV16;
break;
case 0x4:
if (op2 == 0x3 && a != 0xf)
return OP_UXTAB16;
if (op2 == 0x3 && a == 0xf)
return OP_UXTB16;
break;
case 0x6:
if (BIT(op2, 0) == 0)
return OP_USAT;
if (op2 == 0x1)
return OP_USAT16;
if (op2 == 0x3 && a != 0xf)
return OP_UXTAB;
if (op2 == 0x3 && a == 0xf)
return OP_UXTB;
break;
case 0x7:
if (BIT(op2, 0) == 0)
return OP_USAT;
if (op2 == 0x3 && a != 0xf)
return OP_UXTAH;
if (op2 == 0x3 && a == 0xf)
return OP_UXTH;
if (op2 == 0x5)
return OP_REVSH;
break;
default:
break;
}
return OP_UNDEFINED;
}
Opcode ARM_Disasm::DecodeMUL(uint32_t insn) { Opcode ARM_Disasm::DecodeMUL(uint32_t insn) {
uint8_t bit24 = (insn >> 24) & 0x1; uint8_t bit24 = (insn >> 24) & 0x1;
if (bit24 != 0) { if (bit24 != 0) {
@ -999,6 +1394,76 @@ Opcode ARM_Disasm::DecodeMSRImmAndHints(uint32_t insn) {
return OP_MSR; 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);
switch (op1) {
case 0x0:
if (op2_h == 0x0) {
if (a != 0xf)
return OP_SMLAD;
else
return OP_SMUAD;
} else if (op2_h == 0x1) {
if (a != 0xf)
return OP_SMLSD;
else
return OP_SMUSD;
}
break;
case 0x4:
if (op2_h == 0x0)
return OP_SMLALD;
else if (op2_h == 0x1)
return OP_SMLSLD;
break;
case 0x5:
if (op2_h == 0x0) {
if (a != 0xf)
return OP_SMMLA;
else
return OP_SMMUL;
} else if (op2_h == 0x3) {
return OP_SMMLS;
}
break;
default:
break;
}
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);
switch (BITS(op1, 3, 4)) {
case 0x0:
// unsigned and signed parallel addition and subtraction
return DecodeParallelAddSub(insn);
case 0x1:
// Packing, unpacking, saturation, and reversal
return DecodePackingSaturationReversal(insn);
case 0x2:
// Signed multiply, signed and unsigned divide
return DecodeMediaMulDiv(insn);
case 0x3:
if (op2 == 0 && rd == 0xf)
return OP_USAD8;
if (op2 == 0 && rd != 0xf)
return OP_USADA8;
break;
default:
break;
}
return OP_UNDEFINED;
}
Opcode ARM_Disasm::DecodeLDRH(uint32_t insn) { Opcode ARM_Disasm::DecodeLDRH(uint32_t insn) {
uint8_t is_load = (insn >> 20) & 0x1; uint8_t is_load = (insn >> 20) & 0x1;
uint8_t bits_65 = (insn >> 5) & 0x3; uint8_t bits_65 = (insn >> 5) & 0x3;

79
src/core/arm/disassembler/arm_disasm.h
View File

@ -48,13 +48,47 @@ enum Opcode {
OP_MVN, OP_MVN,
OP_NOP, OP_NOP,
OP_ORR, OP_ORR,
OP_PKH,
OP_PLD, OP_PLD,
OP_QADD16,
OP_QADD8,
OP_QASX,
OP_QSAX,
OP_QSUB16,
OP_QSUB8,
OP_REV,
OP_REV16,
OP_REVSH,
OP_RSB, OP_RSB,
OP_RSC, OP_RSC,
OP_SADD16,
OP_SADD8,
OP_SASX,
OP_SBC, OP_SBC,
OP_SEL,
OP_SEV, OP_SEV,
OP_SHADD16,
OP_SHADD8,
OP_SHASX,
OP_SHSAX,
OP_SHSUB16,
OP_SHSUB8,
OP_SMLAD,
OP_SMLAL, OP_SMLAL,
OP_SMLALD,
OP_SMLSD,
OP_SMLSLD,
OP_SMMLA,
OP_SMMLS,
OP_SMMUL,
OP_SMUAD,
OP_SMULL, OP_SMULL,
OP_SMUSD,
OP_SSAT,
OP_SSAT16,
OP_SSAX,
OP_SSUB16,
OP_SSUB8,
OP_STC, OP_STC,
OP_STM, OP_STM,
OP_STR, OP_STR,
@ -70,10 +104,44 @@ enum Opcode {
OP_SWI, OP_SWI,
OP_SWP, OP_SWP,
OP_SWPB, OP_SWPB,
OP_SXTAB,
OP_SXTAB16,
OP_SXTAH,
OP_SXTB,
OP_SXTB16,
OP_SXTH,
OP_TEQ, OP_TEQ,
OP_TST, OP_TST,
OP_UADD16,
OP_UADD8,
OP_UASX,
OP_UHADD16,
OP_UHADD8,
OP_UHASX,
OP_UHSAX,
OP_UHSUB16,
OP_UHSUB8,
OP_UMLAL, OP_UMLAL,
OP_UMULL, OP_UMULL,
OP_UQADD16,
OP_UQADD8,
OP_UQASX,
OP_UQSAX,
OP_UQSUB16,
OP_UQSUB8,
OP_USAD8,
OP_USADA8,
OP_USAT,
OP_USAT16,
OP_USAX,
OP_USUB16,
OP_USUB8,
OP_UXTAB,
OP_UXTAB16,
OP_UXTAH,
OP_UXTB,
OP_UXTB16,
OP_UXTH,
OP_WFE, OP_WFE,
OP_WFI, OP_WFI,
OP_YIELD, OP_YIELD,
@ -132,8 +200,12 @@ class ARM_Disasm {
static Opcode Decode10(uint32_t insn); static Opcode Decode10(uint32_t insn);
static Opcode Decode11(uint32_t insn); static Opcode Decode11(uint32_t insn);
static Opcode DecodeSyncPrimitive(uint32_t insn); static Opcode DecodeSyncPrimitive(uint32_t insn);
static Opcode DecodeParallelAddSub(uint32_t insn);
static Opcode DecodePackingSaturationReversal(uint32_t insn);
static Opcode DecodeMUL(uint32_t insn); static Opcode DecodeMUL(uint32_t insn);
static Opcode DecodeMSRImmAndHints(uint32_t insn); static Opcode DecodeMSRImmAndHints(uint32_t insn);
static Opcode DecodeMediaMulDiv(uint32_t insn);
static Opcode DecodeMedia(uint32_t insn);
static Opcode DecodeLDRH(uint32_t insn); static Opcode DecodeLDRH(uint32_t insn);
static Opcode DecodeALU(uint32_t insn); static Opcode DecodeALU(uint32_t insn);
@ -142,6 +214,7 @@ class ARM_Disasm {
static std::string DisassembleBX(uint32_t insn); static std::string DisassembleBX(uint32_t insn);
static std::string DisassembleBKPT(uint32_t insn); static std::string DisassembleBKPT(uint32_t insn);
static std::string DisassembleCLZ(uint32_t insn); static std::string DisassembleCLZ(uint32_t insn);
static std::string DisassembleMediaMulDiv(Opcode opcode, uint32_t insn);
static std::string DisassembleMemblock(Opcode opcode, uint32_t insn); static std::string DisassembleMemblock(Opcode opcode, uint32_t insn);
static std::string DisassembleMem(uint32_t insn); static std::string DisassembleMem(uint32_t insn);
static std::string DisassembleMemHalf(uint32_t insn); static std::string DisassembleMemHalf(uint32_t insn);
@ -152,8 +225,14 @@ class ARM_Disasm {
static std::string DisassembleMRS(uint32_t insn); static std::string DisassembleMRS(uint32_t insn);
static std::string DisassembleMSR(uint32_t insn); static std::string DisassembleMSR(uint32_t insn);
static std::string DisassembleNoOperands(Opcode opcode, uint32_t insn); static std::string DisassembleNoOperands(Opcode opcode, uint32_t insn);
static std::string DisassembleParallelAddSub(Opcode opcode, uint32_t insn);
static std::string DisassemblePKH(uint32_t insn);
static std::string DisassemblePLD(uint32_t insn); static std::string DisassemblePLD(uint32_t insn);
static std::string DisassembleREV(Opcode opcode, uint32_t insn);
static std::string DisassembleREX(Opcode opcode, uint32_t insn); static std::string DisassembleREX(Opcode opcode, uint32_t insn);
static std::string DisassembleSAT(Opcode opcode, uint32_t insn);
static std::string DisassembleSEL(uint32_t insn);
static std::string DisassembleSWI(uint32_t insn); static std::string DisassembleSWI(uint32_t insn);
static std::string DisassembleSWP(Opcode opcode, uint32_t insn); static std::string DisassembleSWP(Opcode opcode, uint32_t insn);
static std::string DisassembleXT(Opcode opcode, uint32_t insn);
}; };
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