diff options
author | Chris Larsen <chris.larsen@imgtec.com> | 2015-08-14 14:56:10 -0700 |
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committer | Chris Larsen <chris.larsen@imgtec.com> | 2015-09-10 10:59:11 -0700 |
commit | 2fadd7bb67abf5bc3c5370f9508cfb5959d6e536 (patch) | |
tree | efdfc90c1cdb4b688c0cdf6c2cf2cfe7b8121d1c /disassembler/disassembler_mips.cc | |
parent | 010c7fd437932e0132fc4b44de6274480573ff30 (diff) |
Additional MIPS64 instructions needed by intrinsics code.
Change-Id: If2a48300aac7a10dadf485d1765fb5bdeed975fe
Diffstat (limited to 'disassembler/disassembler_mips.cc')
-rw-r--r-- | disassembler/disassembler_mips.cc | 38 |
1 files changed, 33 insertions, 5 deletions
diff --git a/disassembler/disassembler_mips.cc b/disassembler/disassembler_mips.cc index 70ca88dc55..c55d285f9f 100644 --- a/disassembler/disassembler_mips.cc +++ b/disassembler/disassembler_mips.cc @@ -46,6 +46,7 @@ static const uint32_t kJTypeMask = (0x3f << kOpcodeShift); static const uint32_t kRTypeMask = ((0x3f << kOpcodeShift) | (0x3f)); static const uint32_t kSpecial0Mask = (0x3f << kOpcodeShift); static const uint32_t kSpecial2Mask = (0x3f << kOpcodeShift); +static const uint32_t kSpecial3Mask = (0x3f << kOpcodeShift); static const uint32_t kFpMask = kRTypeMask; static const MipsInstruction gMipsInstructions[] = { @@ -98,7 +99,6 @@ static const MipsInstruction gMipsInstructions[] = { { kRTypeMask, 46, "dsub", "DST", }, { kRTypeMask, 47, "dsubu", "DST", }, // TODO: tge[u], tlt[u], teg, tne - // TODO: seleqz, selnez { kRTypeMask, 56, "dsll", "DTA", }, { kRTypeMask, 58, "dsrl", "DTA", }, { kRTypeMask, 59, "dsra", "DTA", }, @@ -106,9 +106,6 @@ static const MipsInstruction gMipsInstructions[] = { { kRTypeMask | (0x1f << 21), 62 | (1 << 21), "drotr32", "DTA", }, { kRTypeMask, 62, "dsrl32", "DTA", }, { kRTypeMask, 63, "dsra32", "DTA", }, - { kRTypeMask, (31u << kOpcodeShift) | 3, "dext", "TSAZ", }, - { kRTypeMask | (0x1f << 21) | (0x1f << 6), (31u << 26) | (16 << 6) | 32, "seb", "DT", }, - { kRTypeMask | (0x1f << 21) | (0x1f << 6), (31u << 26) | (24 << 6) | 32, "seh", "DT", }, // SPECIAL0 { kSpecial0Mask | 0x7ff, (2 << 6) | 24, "mul", "DST" }, @@ -127,7 +124,13 @@ static const MipsInstruction gMipsInstructions[] = { { kSpecial0Mask | 0x7ff, (3 << 6) | 30, "dmod", "DST" }, { kSpecial0Mask | 0x7ff, (2 << 6) | 31, "ddivu", "DST" }, { kSpecial0Mask | 0x7ff, (3 << 6) | 31, "dmodu", "DST" }, - // TODO: [d]clz, [d]clo + { kSpecial0Mask | 0x7ff, (0 << 6) | 53, "seleqz", "DST" }, + { kSpecial0Mask | 0x7ff, (0 << 6) | 55, "selnez", "DST" }, + { kSpecial0Mask | (0x1f << 21) | 0x3f, (1 << 21) | 2, "rotr", "DTA", }, + { kSpecial0Mask | (0x1f << 16) | 0x7ff, (0x01 << 6) | 0x10, "clz", "DS" }, + { kSpecial0Mask | (0x1f << 16) | 0x7ff, (0x01 << 6) | 0x11, "clo", "DS" }, + { kSpecial0Mask | (0x1f << 16) | 0x7ff, (0x01 << 6) | 0x12, "dclz", "DS" }, + { kSpecial0Mask | (0x1f << 16) | 0x7ff, (0x01 << 6) | 0x13, "dclo", "DS" }, // TODO: sdbbp // SPECIAL2 @@ -140,6 +143,20 @@ static const MipsInstruction gMipsInstructions[] = { { kSpecial2Mask | 0xffff, (28 << kOpcodeShift) | 5, "msubu", "ST" }, { kSpecial2Mask | 0x3f, (28 << kOpcodeShift) | 0x3f, "sdbbp", "" }, // TODO: code + // SPECIAL3 + { kSpecial3Mask | 0x3f, (31 << kOpcodeShift) | 3, "dext", "TSAZ", }, + { kSpecial3Mask | (0x1f << 21) | (0x1f << 6) | 0x3f, (31 << kOpcodeShift) | (16 << 6) | 32, "seb", "DT", }, + { kSpecial3Mask | (0x1f << 21) | (0x1f << 6) | 0x3f, (31 << kOpcodeShift) | (24 << 6) | 32, "seh", "DT", }, + { kSpecial3Mask | (0x1f << 21) | (0x1f << 6) | 0x3f, (31 << kOpcodeShift) | 32, "bitswap", "DT", }, + { kSpecial3Mask | (0x1f << 21) | (0x1f << 6) | 0x3f, (31 << kOpcodeShift) | 36, "dbitswap", "DT", }, + { kSpecial3Mask | (0x1f << 21) | (0x1f << 6) | 0x3f, (31 << kOpcodeShift) | (2 << 6) | 36, "dsbh", "DT", }, + { kSpecial3Mask | (0x1f << 21) | (0x1f << 6) | 0x3f, (31 << kOpcodeShift) | (5 << 6) | 36, "dshd", "DT", }, + { kSpecial3Mask | (0x1f << 21) | (0x1f << 6) | 0x3f, (31 << kOpcodeShift) | (2 << 6) | 32, "wsbh", "DT", }, + { kSpecial3Mask | 0x7f, (31 << kOpcodeShift) | 0x26, "sc", "Tl", }, + { kSpecial3Mask | 0x7f, (31 << kOpcodeShift) | 0x27, "scd", "Tl", }, + { kSpecial3Mask | 0x7f, (31 << kOpcodeShift) | 0x36, "ll", "Tl", }, + { kSpecial3Mask | 0x7f, (31 << kOpcodeShift) | 0x37, "lld", "Tl", }, + // J-type instructions. { kJTypeMask, 2 << kOpcodeShift, "j", "L" }, { kJTypeMask, 3 << kOpcodeShift, "jal", "L" }, @@ -305,11 +322,16 @@ static const MipsInstruction gMipsInstructions[] = { { kFpMask | (0x21f << 16), kCop1 | (0x200 << 16) | 13, "trunc.w", "fad" }, { kFpMask | (0x21f << 16), kCop1 | (0x200 << 16) | 14, "ceil.w", "fad" }, { kFpMask | (0x21f << 16), kCop1 | (0x200 << 16) | 15, "floor.w", "fad" }, + { kFpMask | (0x21f << 16), kCop1 | (0x200 << 16) | 26, "rint", "fad" }, + { kFpMask | (0x21f << 16), kCop1 | (0x200 << 16) | 27, "class", "fad" }, { kFpMask | (0x21f << 16), kCop1 | (0x200 << 16) | 32, "cvt.s", "fad" }, { kFpMask | (0x21f << 16), kCop1 | (0x200 << 16) | 33, "cvt.d", "fad" }, { kFpMask | (0x21f << 16), kCop1 | (0x200 << 16) | 36, "cvt.w", "fad" }, { kFpMask | (0x21f << 16), kCop1 | (0x200 << 16) | 37, "cvt.l", "fad" }, { kFpMask | (0x21f << 16), kCop1 | (0x200 << 16) | 38, "cvt.ps", "fad" }, + { kFpMask, kCop1 | 0x10, "sel", "fadt" }, + { kFpMask, kCop1 | 0x1e, "max", "fadt" }, + { kFpMask, kCop1 | 0x1c, "min", "fadt" }, }; static uint32_t ReadU32(const uint8_t* ptr) { @@ -390,6 +412,12 @@ size_t DisassemblerMips::Dump(std::ostream& os, const uint8_t* instr_ptr) { args << reinterpret_cast<void*>(target); } break; + case 'l': // 9-bit signed offset + { + int32_t offset = static_cast<int16_t>(instruction) >> 7; + args << StringPrintf("%+d(r%d)", offset, rs); + } + break; case 'O': // +x(rs) { int32_t offset = static_cast<int16_t>(instruction & 0xffff); |