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| author | 2015-08-11 22:32:39 +0100 | |
|---|---|---|
| committer | 2015-08-11 22:38:44 +0100 | |
| commit | 5115d0177ed9f77b091adbbbfd22f2f0a568a4bb (patch) | |
| tree | 3a243eee2146980bcbd708a552ca082d172eeda7 /src/core/arm/disassembler | |
| parent | Merge pull request #1028 from aroulin/arm-disas-media-instr (diff) | |
| download | yuzu-5115d0177ed9f77b091adbbbfd22f2f0a568a4bb.tar.gz yuzu-5115d0177ed9f77b091adbbbfd22f2f0a568a4bb.tar.xz yuzu-5115d0177ed9f77b091adbbbfd22f2f0a568a4bb.zip | |
ARM Core, Video Core, CitraQt, Citrace: Use CommonTypes types instead of the standard u?int*_t types.
Diffstat (limited to 'src/core/arm/disassembler')
| -rw-r--r-- | src/core/arm/disassembler/arm_disasm.cpp | 472 | ||||
| -rw-r--r-- | src/core/arm/disassembler/arm_disasm.h | 85 |
2 files changed, 280 insertions, 277 deletions
diff --git a/src/core/arm/disassembler/arm_disasm.cpp b/src/core/arm/disassembler/arm_disasm.cpp index 1d40ae030..77af10b54 100644 --- a/src/core/arm/disassembler/arm_disasm.cpp +++ b/src/core/arm/disassembler/arm_disasm.cpp | |||
| @@ -3,7 +3,9 @@ | |||
| 3 | #include <string> | 3 | #include <string> |
| 4 | #include <unordered_set> | 4 | #include <unordered_set> |
| 5 | 5 | ||
| 6 | #include "common/common_types.h" | ||
| 6 | #include "common/string_util.h" | 7 | #include "common/string_util.h" |
| 8 | |||
| 7 | #include "core/arm/disassembler/arm_disasm.h" | 9 | #include "core/arm/disassembler/arm_disasm.h" |
| 8 | #include "core/arm/skyeye_common/armsupp.h" | 10 | #include "core/arm/skyeye_common/armsupp.h" |
| 9 | 11 | ||
| @@ -215,11 +217,11 @@ static const char *shift_names[] = { | |||
| 215 | "ROR" | 217 | "ROR" |
| 216 | }; | 218 | }; |
| 217 | 219 | ||
| 218 | static const char* cond_to_str(uint32_t cond) { | 220 | static const char* cond_to_str(u32 cond) { |
| 219 | return cond_names[cond]; | 221 | return cond_names[cond]; |
| 220 | } | 222 | } |
| 221 | 223 | ||
| 222 | std::string ARM_Disasm::Disassemble(uint32_t addr, uint32_t insn) | 224 | std::string ARM_Disasm::Disassemble(u32 addr, u32 insn) |
| 223 | { | 225 | { |
| 224 | Opcode opcode = Decode(insn); | 226 | Opcode opcode = Decode(insn); |
| 225 | switch (opcode) { | 227 | switch (opcode) { |
| @@ -400,22 +402,22 @@ std::string ARM_Disasm::Disassemble(uint32_t addr, uint32_t insn) | |||
| 400 | return NULL; | 402 | return NULL; |
| 401 | } | 403 | } |
| 402 | 404 | ||
| 403 | std::string ARM_Disasm::DisassembleALU(Opcode opcode, uint32_t insn) | 405 | std::string ARM_Disasm::DisassembleALU(Opcode opcode, u32 insn) |
| 404 | { | 406 | { |
| 405 | static const uint8_t kNoOperand1 = 1; | 407 | static const u8 kNoOperand1 = 1; |
| 406 | static const uint8_t kNoDest = 2; | 408 | static const u8 kNoDest = 2; |
| 407 | static const uint8_t kNoSbit = 4; | 409 | static const u8 kNoSbit = 4; |
| 408 | 410 | ||
| 409 | std::string rn_str; | 411 | std::string rn_str; |
| 410 | std::string rd_str; | 412 | std::string rd_str; |
| 411 | 413 | ||
| 412 | uint8_t flags = 0; | 414 | u8 flags = 0; |
| 413 | uint8_t cond = (insn >> 28) & 0xf; | 415 | u8 cond = (insn >> 28) & 0xf; |
| 414 | uint8_t is_immed = (insn >> 25) & 0x1; | 416 | u8 is_immed = (insn >> 25) & 0x1; |
| 415 | uint8_t bit_s = (insn >> 20) & 1; | 417 | u8 bit_s = (insn >> 20) & 1; |
| 416 | uint8_t rn = (insn >> 16) & 0xf; | 418 | u8 rn = (insn >> 16) & 0xf; |
| 417 | uint8_t rd = (insn >> 12) & 0xf; | 419 | u8 rd = (insn >> 12) & 0xf; |
| 418 | uint8_t immed = insn & 0xff; | 420 | u8 immed = insn & 0xff; |
| 419 | 421 | ||
| 420 | const char* opname = opcode_names[opcode]; | 422 | const char* opname = opcode_names[opcode]; |
| 421 | switch (opcode) { | 423 | switch (opcode) { |
| @@ -455,14 +457,14 @@ std::string ARM_Disasm::DisassembleALU(Opcode opcode, uint32_t insn) | |||
| 455 | opname, cond_to_str(cond), sbit_str, rd_str.c_str(), rn_str.c_str(), immed, immed); | 457 | opname, cond_to_str(cond), sbit_str, rd_str.c_str(), rn_str.c_str(), immed, immed); |
| 456 | } | 458 | } |
| 457 | 459 | ||
| 458 | uint8_t shift_is_reg = (insn >> 4) & 1; | 460 | u8 shift_is_reg = (insn >> 4) & 1; |
| 459 | uint8_t rotate = (insn >> 8) & 0xf; | 461 | u8 rotate = (insn >> 8) & 0xf; |
| 460 | uint8_t rm = insn & 0xf; | 462 | u8 rm = insn & 0xf; |
| 461 | uint8_t shift_type = (insn >> 5) & 0x3; | 463 | u8 shift_type = (insn >> 5) & 0x3; |
| 462 | uint8_t rs = (insn >> 8) & 0xf; | 464 | u8 rs = (insn >> 8) & 0xf; |
| 463 | uint8_t shift_amount = (insn >> 7) & 0x1f; | 465 | u8 shift_amount = (insn >> 7) & 0x1f; |
| 464 | uint32_t rotated_val = immed; | 466 | u32 rotated_val = immed; |
| 465 | uint8_t rotate2 = rotate << 1; | 467 | u8 rotate2 = rotate << 1; |
| 466 | rotated_val = (rotated_val >> rotate2) | (rotated_val << (32 - rotate2)); | 468 | rotated_val = (rotated_val >> rotate2) | (rotated_val << (32 - rotate2)); |
| 467 | 469 | ||
| 468 | if (!shift_is_reg && shift_type == 0 && shift_amount == 0) { | 470 | if (!shift_is_reg && shift_type == 0 && shift_amount == 0) { |
| @@ -488,10 +490,10 @@ std::string ARM_Disasm::DisassembleALU(Opcode opcode, uint32_t insn) | |||
| 488 | shift_name, shift_amount); | 490 | shift_name, shift_amount); |
| 489 | } | 491 | } |
| 490 | 492 | ||
| 491 | std::string ARM_Disasm::DisassembleBranch(uint32_t addr, Opcode opcode, uint32_t insn) | 493 | std::string ARM_Disasm::DisassembleBranch(u32 addr, Opcode opcode, u32 insn) |
| 492 | { | 494 | { |
| 493 | uint8_t cond = (insn >> 28) & 0xf; | 495 | u8 cond = (insn >> 28) & 0xf; |
| 494 | uint32_t offset = insn & 0xffffff; | 496 | u32 offset = insn & 0xffffff; |
| 495 | // Sign-extend the 24-bit offset | 497 | // Sign-extend the 24-bit offset |
| 496 | if ((offset >> 23) & 1) | 498 | if ((offset >> 23) & 1) |
| 497 | offset |= 0xff000000; | 499 | offset |= 0xff000000; |
| @@ -504,35 +506,35 @@ std::string ARM_Disasm::DisassembleBranch(uint32_t addr, Opcode opcode, uint32_t | |||
| 504 | return Common::StringFromFormat("%s%s\t0x%x", opname, cond_to_str(cond), addr); | 506 | return Common::StringFromFormat("%s%s\t0x%x", opname, cond_to_str(cond), addr); |
| 505 | } | 507 | } |
| 506 | 508 | ||
| 507 | std::string ARM_Disasm::DisassembleBX(uint32_t insn) | 509 | std::string ARM_Disasm::DisassembleBX(u32 insn) |
| 508 | { | 510 | { |
| 509 | uint8_t cond = (insn >> 28) & 0xf; | 511 | u8 cond = (insn >> 28) & 0xf; |
| 510 | uint8_t rn = insn & 0xf; | 512 | u8 rn = insn & 0xf; |
| 511 | return Common::StringFromFormat("bx%s\tr%d", cond_to_str(cond), rn); | 513 | return Common::StringFromFormat("bx%s\tr%d", cond_to_str(cond), rn); |
| 512 | } | 514 | } |
| 513 | 515 | ||
| 514 | std::string ARM_Disasm::DisassembleBKPT(uint32_t insn) | 516 | std::string ARM_Disasm::DisassembleBKPT(u32 insn) |
| 515 | { | 517 | { |
| 516 | uint8_t cond = (insn >> 28) & 0xf; | 518 | u8 cond = (insn >> 28) & 0xf; |
| 517 | uint32_t immed = (((insn >> 8) & 0xfff) << 4) | (insn & 0xf); | 519 | u32 immed = (((insn >> 8) & 0xfff) << 4) | (insn & 0xf); |
| 518 | return Common::StringFromFormat("bkpt%s\t#%d", cond_to_str(cond), immed); | 520 | return Common::StringFromFormat("bkpt%s\t#%d", cond_to_str(cond), immed); |
| 519 | } | 521 | } |
| 520 | 522 | ||
| 521 | std::string ARM_Disasm::DisassembleCLZ(uint32_t insn) | 523 | std::string ARM_Disasm::DisassembleCLZ(u32 insn) |
| 522 | { | 524 | { |
| 523 | uint8_t cond = (insn >> 28) & 0xf; | 525 | u8 cond = (insn >> 28) & 0xf; |
| 524 | uint8_t rd = (insn >> 12) & 0xf; | 526 | u8 rd = (insn >> 12) & 0xf; |
| 525 | uint8_t rm = insn & 0xf; | 527 | u8 rm = insn & 0xf; |
| 526 | return Common::StringFromFormat("clz%s\tr%d, r%d", cond_to_str(cond), rd, rm); | 528 | return Common::StringFromFormat("clz%s\tr%d, r%d", cond_to_str(cond), rd, rm); |
| 527 | } | 529 | } |
| 528 | 530 | ||
| 529 | std::string ARM_Disasm::DisassembleMediaMulDiv(Opcode opcode, uint32_t insn) { | 531 | std::string ARM_Disasm::DisassembleMediaMulDiv(Opcode opcode, u32 insn) { |
| 530 | uint32_t cond = BITS(insn, 28, 31); | 532 | u32 cond = BITS(insn, 28, 31); |
| 531 | uint32_t rd = BITS(insn, 16, 19); | 533 | u32 rd = BITS(insn, 16, 19); |
| 532 | uint32_t ra = BITS(insn, 12, 15); | 534 | u32 ra = BITS(insn, 12, 15); |
| 533 | uint32_t rm = BITS(insn, 8, 11); | 535 | u32 rm = BITS(insn, 8, 11); |
| 534 | uint32_t m = BIT(insn, 5); | 536 | u32 m = BIT(insn, 5); |
| 535 | uint32_t rn = BITS(insn, 0, 3); | 537 | u32 rn = BITS(insn, 0, 3); |
| 536 | 538 | ||
| 537 | std::string cross = ""; | 539 | std::string cross = ""; |
| 538 | if (m) { | 540 | if (m) { |
| @@ -558,17 +560,17 @@ std::string ARM_Disasm::DisassembleMediaMulDiv(Opcode opcode, uint32_t insn) { | |||
| 558 | ext_reg.c_str()); | 560 | ext_reg.c_str()); |
| 559 | } | 561 | } |
| 560 | 562 | ||
| 561 | std::string ARM_Disasm::DisassembleMemblock(Opcode opcode, uint32_t insn) | 563 | std::string ARM_Disasm::DisassembleMemblock(Opcode opcode, u32 insn) |
| 562 | { | 564 | { |
| 563 | std::string tmp_list; | 565 | std::string tmp_list; |
| 564 | 566 | ||
| 565 | uint8_t cond = (insn >> 28) & 0xf; | 567 | u8 cond = (insn >> 28) & 0xf; |
| 566 | uint8_t write_back = (insn >> 21) & 0x1; | 568 | u8 write_back = (insn >> 21) & 0x1; |
| 567 | uint8_t bit_s = (insn >> 22) & 0x1; | 569 | u8 bit_s = (insn >> 22) & 0x1; |
| 568 | uint8_t is_up = (insn >> 23) & 0x1; | 570 | u8 is_up = (insn >> 23) & 0x1; |
| 569 | uint8_t is_pre = (insn >> 24) & 0x1; | 571 | u8 is_pre = (insn >> 24) & 0x1; |
| 570 | uint8_t rn = (insn >> 16) & 0xf; | 572 | u8 rn = (insn >> 16) & 0xf; |
| 571 | uint16_t reg_list = insn & 0xffff; | 573 | u16 reg_list = insn & 0xffff; |
| 572 | 574 | ||
| 573 | const char *opname = opcode_names[opcode]; | 575 | const char *opname = opcode_names[opcode]; |
| 574 | 576 | ||
| @@ -608,18 +610,18 @@ std::string ARM_Disasm::DisassembleMemblock(Opcode opcode, uint32_t insn) | |||
| 608 | opname, cond_to_str(cond), addr_mode, rn, bang, tmp_list.c_str(), carret); | 610 | opname, cond_to_str(cond), addr_mode, rn, bang, tmp_list.c_str(), carret); |
| 609 | } | 611 | } |
| 610 | 612 | ||
| 611 | std::string ARM_Disasm::DisassembleMem(uint32_t insn) | 613 | std::string ARM_Disasm::DisassembleMem(u32 insn) |
| 612 | { | 614 | { |
| 613 | uint8_t cond = (insn >> 28) & 0xf; | 615 | u8 cond = (insn >> 28) & 0xf; |
| 614 | uint8_t is_reg = (insn >> 25) & 0x1; | 616 | u8 is_reg = (insn >> 25) & 0x1; |
| 615 | uint8_t is_load = (insn >> 20) & 0x1; | 617 | u8 is_load = (insn >> 20) & 0x1; |
| 616 | uint8_t write_back = (insn >> 21) & 0x1; | 618 | u8 write_back = (insn >> 21) & 0x1; |
| 617 | uint8_t is_byte = (insn >> 22) & 0x1; | 619 | u8 is_byte = (insn >> 22) & 0x1; |
| 618 | uint8_t is_up = (insn >> 23) & 0x1; | 620 | u8 is_up = (insn >> 23) & 0x1; |
| 619 | uint8_t is_pre = (insn >> 24) & 0x1; | 621 | u8 is_pre = (insn >> 24) & 0x1; |
| 620 | uint8_t rn = (insn >> 16) & 0xf; | 622 | u8 rn = (insn >> 16) & 0xf; |
| 621 | uint8_t rd = (insn >> 12) & 0xf; | 623 | u8 rd = (insn >> 12) & 0xf; |
| 622 | uint16_t offset = insn & 0xfff; | 624 | u16 offset = insn & 0xfff; |
| 623 | 625 | ||
| 624 | const char *opname = "ldr"; | 626 | const char *opname = "ldr"; |
| 625 | if (!is_load) | 627 | if (!is_load) |
| @@ -656,9 +658,9 @@ std::string ARM_Disasm::DisassembleMem(uint32_t insn) | |||
| 656 | } | 658 | } |
| 657 | } | 659 | } |
| 658 | 660 | ||
| 659 | uint8_t rm = insn & 0xf; | 661 | u8 rm = insn & 0xf; |
| 660 | uint8_t shift_type = (insn >> 5) & 0x3; | 662 | u8 shift_type = (insn >> 5) & 0x3; |
| 661 | uint8_t shift_amount = (insn >> 7) & 0x1f; | 663 | u8 shift_amount = (insn >> 7) & 0x1f; |
| 662 | 664 | ||
| 663 | const char *shift_name = shift_names[shift_type]; | 665 | const char *shift_name = shift_names[shift_type]; |
| 664 | 666 | ||
| @@ -700,19 +702,19 @@ std::string ARM_Disasm::DisassembleMem(uint32_t insn) | |||
| 700 | shift_name, shift_amount); | 702 | shift_name, shift_amount); |
| 701 | } | 703 | } |
| 702 | 704 | ||
| 703 | std::string ARM_Disasm::DisassembleMemHalf(uint32_t insn) | 705 | std::string ARM_Disasm::DisassembleMemHalf(u32 insn) |
| 704 | { | 706 | { |
| 705 | uint8_t cond = (insn >> 28) & 0xf; | 707 | u8 cond = (insn >> 28) & 0xf; |
| 706 | uint8_t is_load = (insn >> 20) & 0x1; | 708 | u8 is_load = (insn >> 20) & 0x1; |
| 707 | uint8_t write_back = (insn >> 21) & 0x1; | 709 | u8 write_back = (insn >> 21) & 0x1; |
| 708 | uint8_t is_immed = (insn >> 22) & 0x1; | 710 | u8 is_immed = (insn >> 22) & 0x1; |
| 709 | uint8_t is_up = (insn >> 23) & 0x1; | 711 | u8 is_up = (insn >> 23) & 0x1; |
| 710 | uint8_t is_pre = (insn >> 24) & 0x1; | 712 | u8 is_pre = (insn >> 24) & 0x1; |
| 711 | uint8_t rn = (insn >> 16) & 0xf; | 713 | u8 rn = (insn >> 16) & 0xf; |
| 712 | uint8_t rd = (insn >> 12) & 0xf; | 714 | u8 rd = (insn >> 12) & 0xf; |
| 713 | uint8_t bits_65 = (insn >> 5) & 0x3; | 715 | u8 bits_65 = (insn >> 5) & 0x3; |
| 714 | uint8_t rm = insn & 0xf; | 716 | u8 rm = insn & 0xf; |
| 715 | uint8_t offset = (((insn >> 8) & 0xf) << 4) | (insn & 0xf); | 717 | u8 offset = (((insn >> 8) & 0xf) << 4) | (insn & 0xf); |
| 716 | 718 | ||
| 717 | const char *opname = "ldr"; | 719 | const char *opname = "ldr"; |
| 718 | if (is_load == 0) | 720 | if (is_load == 0) |
| @@ -756,78 +758,78 @@ std::string ARM_Disasm::DisassembleMemHalf(uint32_t insn) | |||
| 756 | } | 758 | } |
| 757 | } | 759 | } |
| 758 | 760 | ||
| 759 | std::string ARM_Disasm::DisassembleMCR(Opcode opcode, uint32_t insn) | 761 | std::string ARM_Disasm::DisassembleMCR(Opcode opcode, u32 insn) |
| 760 | { | 762 | { |
| 761 | uint8_t cond = (insn >> 28) & 0xf; | 763 | u8 cond = (insn >> 28) & 0xf; |
| 762 | uint8_t crn = (insn >> 16) & 0xf; | 764 | u8 crn = (insn >> 16) & 0xf; |
| 763 | uint8_t crd = (insn >> 12) & 0xf; | 765 | u8 crd = (insn >> 12) & 0xf; |
| 764 | uint8_t cpnum = (insn >> 8) & 0xf; | 766 | u8 cpnum = (insn >> 8) & 0xf; |
| 765 | uint8_t opcode2 = (insn >> 5) & 0x7; | 767 | u8 opcode2 = (insn >> 5) & 0x7; |
| 766 | uint8_t crm = insn & 0xf; | 768 | u8 crm = insn & 0xf; |
| 767 | 769 | ||
| 768 | const char *opname = opcode_names[opcode]; | 770 | const char *opname = opcode_names[opcode]; |
| 769 | return Common::StringFromFormat("%s%s\t%d, 0, r%d, cr%d, cr%d, {%d}", | 771 | return Common::StringFromFormat("%s%s\t%d, 0, r%d, cr%d, cr%d, {%d}", |
| 770 | opname, cond_to_str(cond), cpnum, crd, crn, crm, opcode2); | 772 | opname, cond_to_str(cond), cpnum, crd, crn, crm, opcode2); |
| 771 | } | 773 | } |
| 772 | 774 | ||
| 773 | std::string ARM_Disasm::DisassembleMLA(Opcode opcode, uint32_t insn) | 775 | std::string ARM_Disasm::DisassembleMLA(Opcode opcode, u32 insn) |
| 774 | { | 776 | { |
| 775 | uint8_t cond = (insn >> 28) & 0xf; | 777 | u8 cond = (insn >> 28) & 0xf; |
| 776 | uint8_t rd = (insn >> 16) & 0xf; | 778 | u8 rd = (insn >> 16) & 0xf; |
| 777 | uint8_t rn = (insn >> 12) & 0xf; | 779 | u8 rn = (insn >> 12) & 0xf; |
| 778 | uint8_t rs = (insn >> 8) & 0xf; | 780 | u8 rs = (insn >> 8) & 0xf; |
| 779 | uint8_t rm = insn & 0xf; | 781 | u8 rm = insn & 0xf; |
| 780 | uint8_t bit_s = (insn >> 20) & 1; | 782 | u8 bit_s = (insn >> 20) & 1; |
| 781 | 783 | ||
| 782 | const char *opname = opcode_names[opcode]; | 784 | const char *opname = opcode_names[opcode]; |
| 783 | return Common::StringFromFormat("%s%s%s\tr%d, r%d, r%d, r%d", | 785 | return Common::StringFromFormat("%s%s%s\tr%d, r%d, r%d, r%d", |
| 784 | opname, cond_to_str(cond), bit_s ? "s" : "", rd, rm, rs, rn); | 786 | opname, cond_to_str(cond), bit_s ? "s" : "", rd, rm, rs, rn); |
| 785 | } | 787 | } |
| 786 | 788 | ||
| 787 | std::string ARM_Disasm::DisassembleUMLAL(Opcode opcode, uint32_t insn) | 789 | std::string ARM_Disasm::DisassembleUMLAL(Opcode opcode, u32 insn) |
| 788 | { | 790 | { |
| 789 | uint8_t cond = (insn >> 28) & 0xf; | 791 | u8 cond = (insn >> 28) & 0xf; |
| 790 | uint8_t rdhi = (insn >> 16) & 0xf; | 792 | u8 rdhi = (insn >> 16) & 0xf; |
| 791 | uint8_t rdlo = (insn >> 12) & 0xf; | 793 | u8 rdlo = (insn >> 12) & 0xf; |
| 792 | uint8_t rs = (insn >> 8) & 0xf; | 794 | u8 rs = (insn >> 8) & 0xf; |
| 793 | uint8_t rm = insn & 0xf; | 795 | u8 rm = insn & 0xf; |
| 794 | uint8_t bit_s = (insn >> 20) & 1; | 796 | u8 bit_s = (insn >> 20) & 1; |
| 795 | 797 | ||
| 796 | const char *opname = opcode_names[opcode]; | 798 | const char *opname = opcode_names[opcode]; |
| 797 | return Common::StringFromFormat("%s%s%s\tr%d, r%d, r%d, r%d", | 799 | return Common::StringFromFormat("%s%s%s\tr%d, r%d, r%d, r%d", |
| 798 | opname, cond_to_str(cond), bit_s ? "s" : "", rdlo, rdhi, rm, rs); | 800 | opname, cond_to_str(cond), bit_s ? "s" : "", rdlo, rdhi, rm, rs); |
| 799 | } | 801 | } |
| 800 | 802 | ||
| 801 | std::string ARM_Disasm::DisassembleMUL(Opcode opcode, uint32_t insn) | 803 | std::string ARM_Disasm::DisassembleMUL(Opcode opcode, u32 insn) |
| 802 | { | 804 | { |
| 803 | uint8_t cond = (insn >> 28) & 0xf; | 805 | u8 cond = (insn >> 28) & 0xf; |
| 804 | uint8_t rd = (insn >> 16) & 0xf; | 806 | u8 rd = (insn >> 16) & 0xf; |
| 805 | uint8_t rs = (insn >> 8) & 0xf; | 807 | u8 rs = (insn >> 8) & 0xf; |
| 806 | uint8_t rm = insn & 0xf; | 808 | u8 rm = insn & 0xf; |
| 807 | uint8_t bit_s = (insn >> 20) & 1; | 809 | u8 bit_s = (insn >> 20) & 1; |
| 808 | 810 | ||
| 809 | const char *opname = opcode_names[opcode]; | 811 | const char *opname = opcode_names[opcode]; |
| 810 | return Common::StringFromFormat("%s%s%s\tr%d, r%d, r%d", | 812 | return Common::StringFromFormat("%s%s%s\tr%d, r%d, r%d", |
| 811 | opname, cond_to_str(cond), bit_s ? "s" : "", rd, rm, rs); | 813 | opname, cond_to_str(cond), bit_s ? "s" : "", rd, rm, rs); |
| 812 | } | 814 | } |
| 813 | 815 | ||
| 814 | std::string ARM_Disasm::DisassembleMRS(uint32_t insn) | 816 | std::string ARM_Disasm::DisassembleMRS(u32 insn) |
| 815 | { | 817 | { |
| 816 | uint8_t cond = (insn >> 28) & 0xf; | 818 | u8 cond = (insn >> 28) & 0xf; |
| 817 | uint8_t rd = (insn >> 12) & 0xf; | 819 | u8 rd = (insn >> 12) & 0xf; |
| 818 | uint8_t ps = (insn >> 22) & 1; | 820 | u8 ps = (insn >> 22) & 1; |
| 819 | 821 | ||
| 820 | return Common::StringFromFormat("mrs%s\tr%d, %s", cond_to_str(cond), rd, ps ? "spsr" : "cpsr"); | 822 | return Common::StringFromFormat("mrs%s\tr%d, %s", cond_to_str(cond), rd, ps ? "spsr" : "cpsr"); |
| 821 | } | 823 | } |
| 822 | 824 | ||
| 823 | std::string ARM_Disasm::DisassembleMSR(uint32_t insn) | 825 | std::string ARM_Disasm::DisassembleMSR(u32 insn) |
| 824 | { | 826 | { |
| 825 | char flags[8]; | 827 | char flags[8]; |
| 826 | int flag_index = 0; | 828 | int flag_index = 0; |
| 827 | uint8_t cond = (insn >> 28) & 0xf; | 829 | u8 cond = (insn >> 28) & 0xf; |
| 828 | uint8_t is_immed = (insn >> 25) & 0x1; | 830 | u8 is_immed = (insn >> 25) & 0x1; |
| 829 | uint8_t pd = (insn >> 22) & 1; | 831 | u8 pd = (insn >> 22) & 1; |
| 830 | uint8_t mask = (insn >> 16) & 0xf; | 832 | u8 mask = (insn >> 16) & 0xf; |
| 831 | 833 | ||
| 832 | if (mask & 1) | 834 | if (mask & 1) |
| 833 | flags[flag_index++] = 'c'; | 835 | flags[flag_index++] = 'c'; |
| @@ -840,44 +842,44 @@ std::string ARM_Disasm::DisassembleMSR(uint32_t insn) | |||
| 840 | flags[flag_index] = 0; | 842 | flags[flag_index] = 0; |
| 841 | 843 | ||
| 842 | if (is_immed) { | 844 | if (is_immed) { |
| 843 | uint32_t immed = insn & 0xff; | 845 | u32 immed = insn & 0xff; |
| 844 | uint8_t rotate = (insn >> 8) & 0xf; | 846 | u8 rotate = (insn >> 8) & 0xf; |
| 845 | uint8_t rotate2 = rotate << 1; | 847 | u8 rotate2 = rotate << 1; |
| 846 | uint32_t rotated_val = (immed >> rotate2) | (immed << (32 - rotate2)); | 848 | u32 rotated_val = (immed >> rotate2) | (immed << (32 - rotate2)); |
| 847 | return Common::StringFromFormat("msr%s\t%s_%s, #0x%x", | 849 | return Common::StringFromFormat("msr%s\t%s_%s, #0x%x", |
| 848 | cond_to_str(cond), pd ? "spsr" : "cpsr", flags, rotated_val); | 850 | cond_to_str(cond), pd ? "spsr" : "cpsr", flags, rotated_val); |
| 849 | } | 851 | } |
| 850 | 852 | ||
| 851 | uint8_t rm = insn & 0xf; | 853 | u8 rm = insn & 0xf; |
| 852 | 854 | ||
| 853 | return Common::StringFromFormat("msr%s\t%s_%s, r%d", | 855 | return Common::StringFromFormat("msr%s\t%s_%s, r%d", |
| 854 | cond_to_str(cond), pd ? "spsr" : "cpsr", flags, rm); | 856 | cond_to_str(cond), pd ? "spsr" : "cpsr", flags, rm); |
| 855 | } | 857 | } |
| 856 | 858 | ||
| 857 | std::string ARM_Disasm::DisassembleNoOperands(Opcode opcode, uint32_t insn) | 859 | std::string ARM_Disasm::DisassembleNoOperands(Opcode opcode, u32 insn) |
| 858 | { | 860 | { |
| 859 | uint32_t cond = BITS(insn, 28, 31); | 861 | u32 cond = BITS(insn, 28, 31); |
| 860 | return Common::StringFromFormat("%s%s", opcode_names[opcode], cond_to_str(cond)); | 862 | return Common::StringFromFormat("%s%s", opcode_names[opcode], cond_to_str(cond)); |
| 861 | } | 863 | } |
| 862 | 864 | ||
| 863 | std::string ARM_Disasm::DisassembleParallelAddSub(Opcode opcode, uint32_t insn) { | 865 | std::string ARM_Disasm::DisassembleParallelAddSub(Opcode opcode, u32 insn) { |
| 864 | uint32_t cond = BITS(insn, 28, 31); | 866 | u32 cond = BITS(insn, 28, 31); |
| 865 | uint32_t rn = BITS(insn, 16, 19); | 867 | u32 rn = BITS(insn, 16, 19); |
| 866 | uint32_t rd = BITS(insn, 12, 15); | 868 | u32 rd = BITS(insn, 12, 15); |
| 867 | uint32_t rm = BITS(insn, 0, 3); | 869 | u32 rm = BITS(insn, 0, 3); |
| 868 | 870 | ||
| 869 | return Common::StringFromFormat("%s%s\tr%u, r%u, r%u", opcode_names[opcode], cond_to_str(cond), | 871 | return Common::StringFromFormat("%s%s\tr%u, r%u, r%u", opcode_names[opcode], cond_to_str(cond), |
| 870 | rd, rn, rm); | 872 | rd, rn, rm); |
| 871 | } | 873 | } |
| 872 | 874 | ||
| 873 | std::string ARM_Disasm::DisassemblePKH(uint32_t insn) | 875 | std::string ARM_Disasm::DisassemblePKH(u32 insn) |
| 874 | { | 876 | { |
| 875 | uint32_t cond = BITS(insn, 28, 31); | 877 | u32 cond = BITS(insn, 28, 31); |
| 876 | uint32_t rn = BITS(insn, 16, 19); | 878 | u32 rn = BITS(insn, 16, 19); |
| 877 | uint32_t rd = BITS(insn, 12, 15); | 879 | u32 rd = BITS(insn, 12, 15); |
| 878 | uint32_t imm5 = BITS(insn, 7, 11); | 880 | u32 imm5 = BITS(insn, 7, 11); |
| 879 | uint32_t tb = BIT(insn, 6); | 881 | u32 tb = BIT(insn, 6); |
| 880 | uint32_t rm = BITS(insn, 0, 3); | 882 | u32 rm = BITS(insn, 0, 3); |
| 881 | 883 | ||
| 882 | std::string suffix = tb ? "tb" : "bt"; | 884 | std::string suffix = tb ? "tb" : "bt"; |
| 883 | std::string shift = ""; | 885 | std::string shift = ""; |
| @@ -894,22 +896,22 @@ std::string ARM_Disasm::DisassemblePKH(uint32_t insn) | |||
| 894 | rd, rn, rm, shift.c_str()); | 896 | rd, rn, rm, shift.c_str()); |
| 895 | } | 897 | } |
| 896 | 898 | ||
| 897 | std::string ARM_Disasm::DisassemblePLD(uint32_t insn) | 899 | std::string ARM_Disasm::DisassemblePLD(u32 insn) |
| 898 | { | 900 | { |
| 899 | uint8_t is_reg = (insn >> 25) & 0x1; | 901 | u8 is_reg = (insn >> 25) & 0x1; |
| 900 | uint8_t is_up = (insn >> 23) & 0x1; | 902 | u8 is_up = (insn >> 23) & 0x1; |
| 901 | uint8_t rn = (insn >> 16) & 0xf; | 903 | u8 rn = (insn >> 16) & 0xf; |
| 902 | 904 | ||
| 903 | const char *minus = ""; | 905 | const char *minus = ""; |
| 904 | if (is_up == 0) | 906 | if (is_up == 0) |
| 905 | minus = "-"; | 907 | minus = "-"; |
| 906 | 908 | ||
| 907 | if (is_reg) { | 909 | if (is_reg) { |
| 908 | uint8_t rm = insn & 0xf; | 910 | u8 rm = insn & 0xf; |
| 909 | return Common::StringFromFormat("pld\t[r%d, %sr%d]", rn, minus, rm); | 911 | return Common::StringFromFormat("pld\t[r%d, %sr%d]", rn, minus, rm); |
| 910 | } | 912 | } |
| 911 | 913 | ||
| 912 | uint16_t offset = insn & 0xfff; | 914 | u16 offset = insn & 0xfff; |
| 913 | if (offset == 0) { | 915 | if (offset == 0) { |
| 914 | return Common::StringFromFormat("pld\t[r%d]", rn); | 916 | return Common::StringFromFormat("pld\t[r%d]", rn); |
| 915 | } else { | 917 | } else { |
| @@ -917,20 +919,20 @@ std::string ARM_Disasm::DisassemblePLD(uint32_t insn) | |||
| 917 | } | 919 | } |
| 918 | } | 920 | } |
| 919 | 921 | ||
| 920 | std::string ARM_Disasm::DisassembleREV(Opcode opcode, uint32_t insn) { | 922 | std::string ARM_Disasm::DisassembleREV(Opcode opcode, u32 insn) { |
| 921 | uint32_t cond = BITS(insn, 28, 31); | 923 | u32 cond = BITS(insn, 28, 31); |
| 922 | uint32_t rd = BITS(insn, 12, 15); | 924 | u32 rd = BITS(insn, 12, 15); |
| 923 | uint32_t rm = BITS(insn, 0, 3); | 925 | u32 rm = BITS(insn, 0, 3); |
| 924 | 926 | ||
| 925 | return Common::StringFromFormat("%s%s\tr%u, r%u", opcode_names[opcode], cond_to_str(cond), | 927 | return Common::StringFromFormat("%s%s\tr%u, r%u", opcode_names[opcode], cond_to_str(cond), |
| 926 | rd, rm); | 928 | rd, rm); |
| 927 | } | 929 | } |
| 928 | 930 | ||
| 929 | std::string ARM_Disasm::DisassembleREX(Opcode opcode, uint32_t insn) { | 931 | std::string ARM_Disasm::DisassembleREX(Opcode opcode, u32 insn) { |
| 930 | uint32_t rn = BITS(insn, 16, 19); | 932 | u32 rn = BITS(insn, 16, 19); |
| 931 | uint32_t rd = BITS(insn, 12, 15); | 933 | u32 rd = BITS(insn, 12, 15); |
| 932 | uint32_t rt = BITS(insn, 0, 3); | 934 | u32 rt = BITS(insn, 0, 3); |
| 933 | uint32_t cond = BITS(insn, 28, 31); | 935 | u32 cond = BITS(insn, 28, 31); |
| 934 | 936 | ||
| 935 | switch (opcode) { | 937 | switch (opcode) { |
| 936 | case OP_STREX: | 938 | case OP_STREX: |
| @@ -956,13 +958,13 @@ std::string ARM_Disasm::DisassembleREX(Opcode opcode, uint32_t insn) { | |||
| 956 | } | 958 | } |
| 957 | } | 959 | } |
| 958 | 960 | ||
| 959 | std::string ARM_Disasm::DisassembleSAT(Opcode opcode, uint32_t insn) { | 961 | std::string ARM_Disasm::DisassembleSAT(Opcode opcode, u32 insn) { |
| 960 | uint32_t cond = BITS(insn, 28, 31); | 962 | u32 cond = BITS(insn, 28, 31); |
| 961 | uint32_t sat_imm = BITS(insn, 16, 20); | 963 | u32 sat_imm = BITS(insn, 16, 20); |
| 962 | uint32_t rd = BITS(insn, 12, 15); | 964 | u32 rd = BITS(insn, 12, 15); |
| 963 | uint32_t imm5 = BITS(insn, 7, 11); | 965 | u32 imm5 = BITS(insn, 7, 11); |
| 964 | uint32_t sh = BIT(insn, 6); | 966 | u32 sh = BIT(insn, 6); |
| 965 | uint32_t rn = BITS(insn, 0, 3); | 967 | u32 rn = BITS(insn, 0, 3); |
| 966 | 968 | ||
| 967 | std::string shift_part = ""; | 969 | std::string shift_part = ""; |
| 968 | bool opcode_has_shift = (opcode == OP_SSAT) || (opcode == OP_USAT); | 970 | bool opcode_has_shift = (opcode == OP_SSAT) || (opcode == OP_USAT); |
| @@ -984,42 +986,42 @@ std::string ARM_Disasm::DisassembleSAT(Opcode opcode, uint32_t insn) { | |||
| 984 | sat_imm, rn, shift_part.c_str()); | 986 | sat_imm, rn, shift_part.c_str()); |
| 985 | } | 987 | } |
| 986 | 988 | ||
| 987 | std::string ARM_Disasm::DisassembleSEL(uint32_t insn) { | 989 | std::string ARM_Disasm::DisassembleSEL(u32 insn) { |
| 988 | uint32_t cond = BITS(insn, 28, 31); | 990 | u32 cond = BITS(insn, 28, 31); |
| 989 | uint32_t rn = BITS(insn, 16, 19); | 991 | u32 rn = BITS(insn, 16, 19); |
| 990 | uint32_t rd = BITS(insn, 12, 15); | 992 | u32 rd = BITS(insn, 12, 15); |
| 991 | uint32_t rm = BITS(insn, 0, 3); | 993 | u32 rm = BITS(insn, 0, 3); |
| 992 | 994 | ||
| 993 | return Common::StringFromFormat("%s%s\tr%u, r%u, r%u", opcode_names[OP_SEL], cond_to_str(cond), | 995 | return Common::StringFromFormat("%s%s\tr%u, r%u, r%u", opcode_names[OP_SEL], cond_to_str(cond), |
| 994 | rd, rn, rm); | 996 | rd, rn, rm); |
| 995 | } | 997 | } |
| 996 | 998 | ||
| 997 | std::string ARM_Disasm::DisassembleSWI(uint32_t insn) | 999 | std::string ARM_Disasm::DisassembleSWI(u32 insn) |
| 998 | { | 1000 | { |
| 999 | uint8_t cond = (insn >> 28) & 0xf; | 1001 | u8 cond = (insn >> 28) & 0xf; |
| 1000 | uint32_t sysnum = insn & 0x00ffffff; | 1002 | u32 sysnum = insn & 0x00ffffff; |
| 1001 | 1003 | ||
| 1002 | return Common::StringFromFormat("swi%s 0x%x", cond_to_str(cond), sysnum); | 1004 | return Common::StringFromFormat("swi%s 0x%x", cond_to_str(cond), sysnum); |
| 1003 | } | 1005 | } |
| 1004 | 1006 | ||
| 1005 | std::string ARM_Disasm::DisassembleSWP(Opcode opcode, uint32_t insn) | 1007 | std::string ARM_Disasm::DisassembleSWP(Opcode opcode, u32 insn) |
| 1006 | { | 1008 | { |
| 1007 | uint8_t cond = (insn >> 28) & 0xf; | 1009 | u8 cond = (insn >> 28) & 0xf; |
| 1008 | uint8_t rn = (insn >> 16) & 0xf; | 1010 | u8 rn = (insn >> 16) & 0xf; |
| 1009 | uint8_t rd = (insn >> 12) & 0xf; | 1011 | u8 rd = (insn >> 12) & 0xf; |
| 1010 | uint8_t rm = insn & 0xf; | 1012 | u8 rm = insn & 0xf; |
| 1011 | 1013 | ||
| 1012 | const char *opname = opcode_names[opcode]; | 1014 | const char *opname = opcode_names[opcode]; |
| 1013 | return Common::StringFromFormat("%s%s\tr%d, r%d, [r%d]", opname, cond_to_str(cond), rd, rm, rn); | 1015 | return Common::StringFromFormat("%s%s\tr%d, r%d, [r%d]", opname, cond_to_str(cond), rd, rm, rn); |
| 1014 | } | 1016 | } |
| 1015 | 1017 | ||
| 1016 | std::string ARM_Disasm::DisassembleXT(Opcode opcode, uint32_t insn) | 1018 | std::string ARM_Disasm::DisassembleXT(Opcode opcode, u32 insn) |
| 1017 | { | 1019 | { |
| 1018 | uint32_t cond = BITS(insn, 28, 31); | 1020 | u32 cond = BITS(insn, 28, 31); |
| 1019 | uint32_t rn = BITS(insn, 16, 19); | 1021 | u32 rn = BITS(insn, 16, 19); |
| 1020 | uint32_t rd = BITS(insn, 12, 15); | 1022 | u32 rd = BITS(insn, 12, 15); |
| 1021 | uint32_t rotate = BITS(insn, 10, 11); | 1023 | u32 rotate = BITS(insn, 10, 11); |
| 1022 | uint32_t rm = BITS(insn, 0, 3); | 1024 | u32 rm = BITS(insn, 0, 3); |
| 1023 | 1025 | ||
| 1024 | std::string rn_part = ""; | 1026 | std::string rn_part = ""; |
| 1025 | static std::unordered_set<Opcode, std::hash<int>> extend_with_add = { | 1027 | 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) | |||
| 1037 | rd, rn_part.c_str(), rm, rotate_part.c_str()); | 1039 | rd, rn_part.c_str(), rm, rotate_part.c_str()); |
| 1038 | } | 1040 | } |
| 1039 | 1041 | ||
| 1040 | Opcode ARM_Disasm::Decode(uint32_t insn) { | 1042 | Opcode ARM_Disasm::Decode(u32 insn) { |
| 1041 | uint32_t bits27_26 = (insn >> 26) & 0x3; | 1043 | u32 bits27_26 = (insn >> 26) & 0x3; |
| 1042 | switch (bits27_26) { | 1044 | switch (bits27_26) { |
| 1043 | case 0x0: | 1045 | case 0x0: |
| 1044 | return Decode00(insn); | 1046 | return Decode00(insn); |
| @@ -1052,9 +1054,9 @@ Opcode ARM_Disasm::Decode(uint32_t insn) { | |||
| 1052 | return OP_INVALID; | 1054 | return OP_INVALID; |
| 1053 | } | 1055 | } |
| 1054 | 1056 | ||
| 1055 | Opcode ARM_Disasm::Decode00(uint32_t insn) { | 1057 | Opcode ARM_Disasm::Decode00(u32 insn) { |
| 1056 | uint8_t bit25 = (insn >> 25) & 0x1; | 1058 | u8 bit25 = (insn >> 25) & 0x1; |
| 1057 | uint8_t bit4 = (insn >> 4) & 0x1; | 1059 | u8 bit4 = (insn >> 4) & 0x1; |
| 1058 | if (bit25 == 0 && bit4 == 1) { | 1060 | if (bit25 == 0 && bit4 == 1) { |
| 1059 | if ((insn & 0x0ffffff0) == 0x012fff10) { | 1061 | if ((insn & 0x0ffffff0) == 0x012fff10) { |
| 1060 | // Bx instruction | 1062 | // Bx instruction |
| @@ -1068,9 +1070,9 @@ Opcode ARM_Disasm::Decode00(uint32_t insn) { | |||
| 1068 | // Bkpt instruction | 1070 | // Bkpt instruction |
| 1069 | return OP_BKPT; | 1071 | return OP_BKPT; |
| 1070 | } | 1072 | } |
| 1071 | uint32_t bits7_4 = (insn >> 4) & 0xf; | 1073 | u32 bits7_4 = (insn >> 4) & 0xf; |
| 1072 | if (bits7_4 == 0x9) { | 1074 | if (bits7_4 == 0x9) { |
| 1073 | uint32_t bit24 = BIT(insn, 24); | 1075 | u32 bit24 = BIT(insn, 24); |
| 1074 | if (bit24) { | 1076 | if (bit24) { |
| 1075 | return DecodeSyncPrimitive(insn); | 1077 | return DecodeSyncPrimitive(insn); |
| 1076 | } | 1078 | } |
| @@ -1078,14 +1080,14 @@ Opcode ARM_Disasm::Decode00(uint32_t insn) { | |||
| 1078 | return DecodeMUL(insn); | 1080 | return DecodeMUL(insn); |
| 1079 | } | 1081 | } |
| 1080 | 1082 | ||
| 1081 | uint8_t bit7 = (insn >> 7) & 0x1; | 1083 | u8 bit7 = (insn >> 7) & 0x1; |
| 1082 | if (bit7 == 1) { | 1084 | if (bit7 == 1) { |
| 1083 | // One of the load/store halfword/byte instructions | 1085 | // One of the load/store halfword/byte instructions |
| 1084 | return DecodeLDRH(insn); | 1086 | return DecodeLDRH(insn); |
| 1085 | } | 1087 | } |
| 1086 | } | 1088 | } |
| 1087 | 1089 | ||
| 1088 | uint32_t op1 = BITS(insn, 20, 24); | 1090 | u32 op1 = BITS(insn, 20, 24); |
| 1089 | if (bit25 && (op1 == 0x12 || op1 == 0x16)) { | 1091 | if (bit25 && (op1 == 0x12 || op1 == 0x16)) { |
| 1090 | // One of the MSR (immediate) and hints instructions | 1092 | // One of the MSR (immediate) and hints instructions |
| 1091 | return DecodeMSRImmAndHints(insn); | 1093 | return DecodeMSRImmAndHints(insn); |
| @@ -1095,13 +1097,13 @@ Opcode ARM_Disasm::Decode00(uint32_t insn) { | |||
| 1095 | return DecodeALU(insn); | 1097 | return DecodeALU(insn); |
| 1096 | } | 1098 | } |
| 1097 | 1099 | ||
| 1098 | Opcode ARM_Disasm::Decode01(uint32_t insn) { | 1100 | Opcode ARM_Disasm::Decode01(u32 insn) { |
| 1099 | uint8_t is_reg = (insn >> 25) & 0x1; | 1101 | u8 is_reg = (insn >> 25) & 0x1; |
| 1100 | uint8_t bit4 = (insn >> 4) & 0x1; | 1102 | u8 bit4 = (insn >> 4) & 0x1; |
| 1101 | if (is_reg == 1 && bit4 == 1) | 1103 | if (is_reg == 1 && bit4 == 1) |
| 1102 | return DecodeMedia(insn); | 1104 | return DecodeMedia(insn); |
| 1103 | uint8_t is_load = (insn >> 20) & 0x1; | 1105 | u8 is_load = (insn >> 20) & 0x1; |
| 1104 | uint8_t is_byte = (insn >> 22) & 0x1; | 1106 | u8 is_byte = (insn >> 22) & 0x1; |
| 1105 | if ((insn & 0xfd70f000) == 0xf550f000) { | 1107 | if ((insn & 0xfd70f000) == 0xf550f000) { |
| 1106 | // Pre-load | 1108 | // Pre-load |
| 1107 | return OP_PLD; | 1109 | return OP_PLD; |
| @@ -1126,11 +1128,11 @@ Opcode ARM_Disasm::Decode01(uint32_t insn) { | |||
| 1126 | return OP_STR; | 1128 | return OP_STR; |
| 1127 | } | 1129 | } |
| 1128 | 1130 | ||
| 1129 | Opcode ARM_Disasm::Decode10(uint32_t insn) { | 1131 | Opcode ARM_Disasm::Decode10(u32 insn) { |
| 1130 | uint8_t bit25 = (insn >> 25) & 0x1; | 1132 | u8 bit25 = (insn >> 25) & 0x1; |
| 1131 | if (bit25 == 0) { | 1133 | if (bit25 == 0) { |
| 1132 | // LDM/STM | 1134 | // LDM/STM |
| 1133 | uint8_t is_load = (insn >> 20) & 0x1; | 1135 | u8 is_load = (insn >> 20) & 0x1; |
| 1134 | if (is_load) | 1136 | if (is_load) |
| 1135 | return OP_LDM; | 1137 | return OP_LDM; |
| 1136 | return OP_STM; | 1138 | return OP_STM; |
| @@ -1143,11 +1145,11 @@ Opcode ARM_Disasm::Decode10(uint32_t insn) { | |||
| 1143 | return OP_B; | 1145 | return OP_B; |
| 1144 | } | 1146 | } |
| 1145 | 1147 | ||
| 1146 | Opcode ARM_Disasm::Decode11(uint32_t insn) { | 1148 | Opcode ARM_Disasm::Decode11(u32 insn) { |
| 1147 | uint8_t bit25 = (insn >> 25) & 0x1; | 1149 | u8 bit25 = (insn >> 25) & 0x1; |
| 1148 | if (bit25 == 0) { | 1150 | if (bit25 == 0) { |
| 1149 | // LDC, SDC | 1151 | // LDC, SDC |
| 1150 | uint8_t is_load = (insn >> 20) & 0x1; | 1152 | u8 is_load = (insn >> 20) & 0x1; |
| 1151 | if (is_load) { | 1153 | if (is_load) { |
| 1152 | // LDC | 1154 | // LDC |
| 1153 | return OP_LDC; | 1155 | return OP_LDC; |
| @@ -1156,18 +1158,18 @@ Opcode ARM_Disasm::Decode11(uint32_t insn) { | |||
| 1156 | return OP_STC; | 1158 | return OP_STC; |
| 1157 | } | 1159 | } |
| 1158 | 1160 | ||
| 1159 | uint8_t bit24 = (insn >> 24) & 0x1; | 1161 | u8 bit24 = (insn >> 24) & 0x1; |
| 1160 | if (bit24 == 0x1) { | 1162 | if (bit24 == 0x1) { |
| 1161 | // SWI | 1163 | // SWI |
| 1162 | return OP_SWI; | 1164 | return OP_SWI; |
| 1163 | } | 1165 | } |
| 1164 | 1166 | ||
| 1165 | uint8_t bit4 = (insn >> 4) & 0x1; | 1167 | u8 bit4 = (insn >> 4) & 0x1; |
| 1166 | uint8_t cpnum = (insn >> 8) & 0xf; | 1168 | u8 cpnum = (insn >> 8) & 0xf; |
| 1167 | 1169 | ||
| 1168 | if (cpnum == 15) { | 1170 | if (cpnum == 15) { |
| 1169 | // Special case for coprocessor 15 | 1171 | // Special case for coprocessor 15 |
| 1170 | uint8_t opcode = (insn >> 21) & 0x7; | 1172 | u8 opcode = (insn >> 21) & 0x7; |
| 1171 | if (bit4 == 0 || opcode != 0) { | 1173 | if (bit4 == 0 || opcode != 0) { |
| 1172 | // This is an unexpected bit pattern. Create an undefined | 1174 | // This is an unexpected bit pattern. Create an undefined |
| 1173 | // instruction in case this is ever executed. | 1175 | // instruction in case this is ever executed. |
| @@ -1175,7 +1177,7 @@ Opcode ARM_Disasm::Decode11(uint32_t insn) { | |||
| 1175 | } | 1177 | } |
| 1176 | 1178 | ||
| 1177 | // MRC, MCR | 1179 | // MRC, MCR |
| 1178 | uint8_t is_mrc = (insn >> 20) & 0x1; | 1180 | u8 is_mrc = (insn >> 20) & 0x1; |
| 1179 | if (is_mrc) | 1181 | if (is_mrc) |
| 1180 | return OP_MRC; | 1182 | return OP_MRC; |
| 1181 | return OP_MCR; | 1183 | return OP_MCR; |
| @@ -1186,15 +1188,15 @@ Opcode ARM_Disasm::Decode11(uint32_t insn) { | |||
| 1186 | return OP_CDP; | 1188 | return OP_CDP; |
| 1187 | } | 1189 | } |
| 1188 | // MRC, MCR | 1190 | // MRC, MCR |
| 1189 | uint8_t is_mrc = (insn >> 20) & 0x1; | 1191 | u8 is_mrc = (insn >> 20) & 0x1; |
| 1190 | if (is_mrc) | 1192 | if (is_mrc) |
| 1191 | return OP_MRC; | 1193 | return OP_MRC; |
| 1192 | return OP_MCR; | 1194 | return OP_MCR; |
| 1193 | } | 1195 | } |
| 1194 | 1196 | ||
| 1195 | Opcode ARM_Disasm::DecodeSyncPrimitive(uint32_t insn) { | 1197 | Opcode ARM_Disasm::DecodeSyncPrimitive(u32 insn) { |
| 1196 | uint32_t op = BITS(insn, 20, 23); | 1198 | u32 op = BITS(insn, 20, 23); |
| 1197 | uint32_t bit22 = BIT(insn, 22); | 1199 | u32 bit22 = BIT(insn, 22); |
| 1198 | switch (op) { | 1200 | switch (op) { |
| 1199 | case 0x0: | 1201 | case 0x0: |
| 1200 | if (bit22) | 1202 | if (bit22) |
| @@ -1221,10 +1223,10 @@ Opcode ARM_Disasm::DecodeSyncPrimitive(uint32_t insn) { | |||
| 1221 | } | 1223 | } |
| 1222 | } | 1224 | } |
| 1223 | 1225 | ||
| 1224 | Opcode ARM_Disasm::DecodeParallelAddSub(uint32_t insn) { | 1226 | Opcode ARM_Disasm::DecodeParallelAddSub(u32 insn) { |
| 1225 | uint32_t op1 = BITS(insn, 20, 21); | 1227 | u32 op1 = BITS(insn, 20, 21); |
| 1226 | uint32_t op2 = BITS(insn, 5, 7); | 1228 | u32 op2 = BITS(insn, 5, 7); |
| 1227 | uint32_t is_unsigned = BIT(insn, 22); | 1229 | u32 is_unsigned = BIT(insn, 22); |
| 1228 | 1230 | ||
| 1229 | if (op1 == 0x0 || op2 == 0x5 || op2 == 0x6) | 1231 | if (op1 == 0x0 || op2 == 0x5 || op2 == 0x6) |
| 1230 | return OP_UNDEFINED; | 1232 | return OP_UNDEFINED; |
| @@ -1260,14 +1262,14 @@ Opcode ARM_Disasm::DecodeParallelAddSub(uint32_t insn) { | |||
| 1260 | OP_SHSUB8, OP_UHSUB8 | 1262 | OP_SHSUB8, OP_UHSUB8 |
| 1261 | }; | 1263 | }; |
| 1262 | 1264 | ||
| 1263 | uint32_t opcode_index = op1 * 12 + op2 * 2 + is_unsigned; | 1265 | u32 opcode_index = op1 * 12 + op2 * 2 + is_unsigned; |
| 1264 | return opcodes[opcode_index]; | 1266 | return opcodes[opcode_index]; |
| 1265 | } | 1267 | } |
| 1266 | 1268 | ||
| 1267 | Opcode ARM_Disasm::DecodePackingSaturationReversal(uint32_t insn) { | 1269 | Opcode ARM_Disasm::DecodePackingSaturationReversal(u32 insn) { |
| 1268 | uint32_t op1 = BITS(insn, 20, 22); | 1270 | u32 op1 = BITS(insn, 20, 22); |
| 1269 | uint32_t a = BITS(insn, 16, 19); | 1271 | u32 a = BITS(insn, 16, 19); |
| 1270 | uint32_t op2 = BITS(insn, 5, 7); | 1272 | u32 op2 = BITS(insn, 5, 7); |
| 1271 | 1273 | ||
| 1272 | switch (op1) { | 1274 | switch (op1) { |
| 1273 | case 0x0: | 1275 | case 0x0: |
| @@ -1335,16 +1337,16 @@ Opcode ARM_Disasm::DecodePackingSaturationReversal(uint32_t insn) { | |||
| 1335 | return OP_UNDEFINED; | 1337 | return OP_UNDEFINED; |
| 1336 | } | 1338 | } |
| 1337 | 1339 | ||
| 1338 | Opcode ARM_Disasm::DecodeMUL(uint32_t insn) { | 1340 | Opcode ARM_Disasm::DecodeMUL(u32 insn) { |
| 1339 | uint8_t bit24 = (insn >> 24) & 0x1; | 1341 | u8 bit24 = (insn >> 24) & 0x1; |
| 1340 | if (bit24 != 0) { | 1342 | if (bit24 != 0) { |
| 1341 | // This is an unexpected bit pattern. Create an undefined | 1343 | // This is an unexpected bit pattern. Create an undefined |
| 1342 | // instruction in case this is ever executed. | 1344 | // instruction in case this is ever executed. |
| 1343 | return OP_UNDEFINED; | 1345 | return OP_UNDEFINED; |
| 1344 | } | 1346 | } |
| 1345 | uint8_t bit23 = (insn >> 23) & 0x1; | 1347 | u8 bit23 = (insn >> 23) & 0x1; |
| 1346 | uint8_t bit22_U = (insn >> 22) & 0x1; | 1348 | u8 bit22_U = (insn >> 22) & 0x1; |
| 1347 | uint8_t bit21_A = (insn >> 21) & 0x1; | 1349 | u8 bit21_A = (insn >> 21) & 0x1; |
| 1348 | if (bit23 == 0) { | 1350 | if (bit23 == 0) { |
| 1349 | // 32-bit multiply | 1351 | // 32-bit multiply |
| 1350 | if (bit22_U != 0) { | 1352 | if (bit22_U != 0) { |
| @@ -1369,10 +1371,10 @@ Opcode ARM_Disasm::DecodeMUL(uint32_t insn) { | |||
| 1369 | return OP_SMLAL; | 1371 | return OP_SMLAL; |
| 1370 | } | 1372 | } |
| 1371 | 1373 | ||
| 1372 | Opcode ARM_Disasm::DecodeMSRImmAndHints(uint32_t insn) { | 1374 | Opcode ARM_Disasm::DecodeMSRImmAndHints(u32 insn) { |
| 1373 | uint32_t op = BIT(insn, 22); | 1375 | u32 op = BIT(insn, 22); |
| 1374 | uint32_t op1 = BITS(insn, 16, 19); | 1376 | u32 op1 = BITS(insn, 16, 19); |
| 1375 | uint32_t op2 = BITS(insn, 0, 7); | 1377 | u32 op2 = BITS(insn, 0, 7); |
| 1376 | 1378 | ||
| 1377 | if (op == 0 && op1 == 0) { | 1379 | if (op == 0 && op1 == 0) { |
| 1378 | switch (op2) { | 1380 | switch (op2) { |
| @@ -1394,10 +1396,10 @@ Opcode ARM_Disasm::DecodeMSRImmAndHints(uint32_t insn) { | |||
| 1394 | return OP_MSR; | 1396 | return OP_MSR; |
| 1395 | } | 1397 | } |
| 1396 | 1398 | ||
| 1397 | Opcode ARM_Disasm::DecodeMediaMulDiv(uint32_t insn) { | 1399 | Opcode ARM_Disasm::DecodeMediaMulDiv(u32 insn) { |
| 1398 | uint32_t op1 = BITS(insn, 20, 22); | 1400 | u32 op1 = BITS(insn, 20, 22); |
| 1399 | uint32_t op2_h = BITS(insn, 6, 7); | 1401 | u32 op2_h = BITS(insn, 6, 7); |
| 1400 | uint32_t a = BITS(insn, 12, 15); | 1402 | u32 a = BITS(insn, 12, 15); |
| 1401 | 1403 | ||
| 1402 | switch (op1) { | 1404 | switch (op1) { |
| 1403 | case 0x0: | 1405 | case 0x0: |
| @@ -1436,10 +1438,10 @@ Opcode ARM_Disasm::DecodeMediaMulDiv(uint32_t insn) { | |||
| 1436 | return OP_UNDEFINED; | 1438 | return OP_UNDEFINED; |
| 1437 | } | 1439 | } |
| 1438 | 1440 | ||
| 1439 | Opcode ARM_Disasm::DecodeMedia(uint32_t insn) { | 1441 | Opcode ARM_Disasm::DecodeMedia(u32 insn) { |
| 1440 | uint32_t op1 = BITS(insn, 20, 24); | 1442 | u32 op1 = BITS(insn, 20, 24); |
| 1441 | uint32_t rd = BITS(insn, 12, 15); | 1443 | u32 rd = BITS(insn, 12, 15); |
| 1442 | uint32_t op2 = BITS(insn, 5, 7); | 1444 | u32 op2 = BITS(insn, 5, 7); |
| 1443 | 1445 | ||
| 1444 | switch (BITS(op1, 3, 4)) { | 1446 | switch (BITS(op1, 3, 4)) { |
| 1445 | case 0x0: | 1447 | case 0x0: |
| @@ -1464,9 +1466,9 @@ Opcode ARM_Disasm::DecodeMedia(uint32_t insn) { | |||
| 1464 | return OP_UNDEFINED; | 1466 | return OP_UNDEFINED; |
| 1465 | } | 1467 | } |
| 1466 | 1468 | ||
| 1467 | Opcode ARM_Disasm::DecodeLDRH(uint32_t insn) { | 1469 | Opcode ARM_Disasm::DecodeLDRH(u32 insn) { |
| 1468 | uint8_t is_load = (insn >> 20) & 0x1; | 1470 | u8 is_load = (insn >> 20) & 0x1; |
| 1469 | uint8_t bits_65 = (insn >> 5) & 0x3; | 1471 | u8 bits_65 = (insn >> 5) & 0x3; |
| 1470 | if (is_load) { | 1472 | if (is_load) { |
| 1471 | if (bits_65 == 0x1) { | 1473 | if (bits_65 == 0x1) { |
| 1472 | // Load unsigned halfword | 1474 | // Load unsigned halfword |
| @@ -1494,12 +1496,12 @@ Opcode ARM_Disasm::DecodeLDRH(uint32_t insn) { | |||
| 1494 | return OP_STRH; | 1496 | return OP_STRH; |
| 1495 | } | 1497 | } |
| 1496 | 1498 | ||
| 1497 | Opcode ARM_Disasm::DecodeALU(uint32_t insn) { | 1499 | Opcode ARM_Disasm::DecodeALU(u32 insn) { |
| 1498 | uint8_t is_immed = (insn >> 25) & 0x1; | 1500 | u8 is_immed = (insn >> 25) & 0x1; |
| 1499 | uint8_t opcode = (insn >> 21) & 0xf; | 1501 | u8 opcode = (insn >> 21) & 0xf; |
| 1500 | uint8_t bit_s = (insn >> 20) & 1; | 1502 | u8 bit_s = (insn >> 20) & 1; |
| 1501 | uint8_t shift_is_reg = (insn >> 4) & 1; | 1503 | u8 shift_is_reg = (insn >> 4) & 1; |
| 1502 | uint8_t bit7 = (insn >> 7) & 1; | 1504 | u8 bit7 = (insn >> 7) & 1; |
| 1503 | if (!is_immed && shift_is_reg && (bit7 != 0)) { | 1505 | if (!is_immed && shift_is_reg && (bit7 != 0)) { |
| 1504 | // This is an unexpected bit pattern. Create an undefined | 1506 | // This is an unexpected bit pattern. Create an undefined |
| 1505 | // instruction in case this is ever executed. | 1507 | // instruction in case this is ever executed. |
diff --git a/src/core/arm/disassembler/arm_disasm.h b/src/core/arm/disassembler/arm_disasm.h index 259a77861..53d9c6a74 100644 --- a/src/core/arm/disassembler/arm_disasm.h +++ b/src/core/arm/disassembler/arm_disasm.h | |||
| @@ -2,9 +2,10 @@ | |||
| 2 | 2 | ||
| 3 | #pragma once | 3 | #pragma once |
| 4 | 4 | ||
| 5 | #include <cstdint> | ||
| 6 | #include <string> | 5 | #include <string> |
| 7 | 6 | ||
| 7 | #include "common/common_types.h" | ||
| 8 | |||
| 8 | // Note: this list of opcodes must match the list used to initialize | 9 | // Note: this list of opcodes must match the list used to initialize |
| 9 | // the opflags[] array in opcode.cpp. | 10 | // the opflags[] array in opcode.cpp. |
| 10 | enum Opcode { | 11 | enum Opcode { |
| @@ -191,48 +192,48 @@ enum Opcode { | |||
| 191 | 192 | ||
| 192 | class ARM_Disasm { | 193 | class ARM_Disasm { |
| 193 | public: | 194 | public: |
| 194 | static std::string Disassemble(uint32_t addr, uint32_t insn); | 195 | static std::string Disassemble(u32 addr, u32 insn); |
| 195 | static Opcode Decode(uint32_t insn); | 196 | static Opcode Decode(u32 insn); |
| 196 | 197 | ||
| 197 | private: | 198 | private: |
| 198 | static Opcode Decode00(uint32_t insn); | 199 | static Opcode Decode00(u32 insn); |
| 199 | static Opcode Decode01(uint32_t insn); | 200 | static Opcode Decode01(u32 insn); |
| 200 | static Opcode Decode10(uint32_t insn); | 201 | static Opcode Decode10(u32 insn); |
| 201 | static Opcode Decode11(uint32_t insn); | 202 | static Opcode Decode11(u32 insn); |
| 202 | static Opcode DecodeSyncPrimitive(uint32_t insn); | 203 | static Opcode DecodeSyncPrimitive(u32 insn); |
| 203 | static Opcode DecodeParallelAddSub(uint32_t insn); | 204 | static Opcode DecodeParallelAddSub(u32 insn); |
| 204 | static Opcode DecodePackingSaturationReversal(uint32_t insn); | 205 | static Opcode DecodePackingSaturationReversal(u32 insn); |
| 205 | static Opcode DecodeMUL(uint32_t insn); | 206 | static Opcode DecodeMUL(u32 insn); |
| 206 | static Opcode DecodeMSRImmAndHints(uint32_t insn); | 207 | static Opcode DecodeMSRImmAndHints(u32 insn); |
| 207 | static Opcode DecodeMediaMulDiv(uint32_t insn); | 208 | static Opcode DecodeMediaMulDiv(u32 insn); |
| 208 | static Opcode DecodeMedia(uint32_t insn); | 209 | static Opcode DecodeMedia(u32 insn); |
| 209 | static Opcode DecodeLDRH(uint32_t insn); | 210 | static Opcode DecodeLDRH(u32 insn); |
| 210 | static Opcode DecodeALU(uint32_t insn); | 211 | static Opcode DecodeALU(u32 insn); |
| 211 | 212 | ||
| 212 | static std::string DisassembleALU(Opcode opcode, uint32_t insn); | 213 | static std::string DisassembleALU(Opcode opcode, u32 insn); |
| 213 | static std::string DisassembleBranch(uint32_t addr, Opcode opcode, uint32_t insn); | 214 | static std::string DisassembleBranch(u32 addr, Opcode opcode, u32 insn); |
| 214 | static std::string DisassembleBX(uint32_t insn); | 215 | static std::string DisassembleBX(u32 insn); |
| 215 | static std::string DisassembleBKPT(uint32_t insn); | 216 | static std::string DisassembleBKPT(u32 insn); |
| 216 | static std::string DisassembleCLZ(uint32_t insn); | 217 | static std::string DisassembleCLZ(u32 insn); |
| 217 | static std::string DisassembleMediaMulDiv(Opcode opcode, uint32_t insn); | 218 | static std::string DisassembleMediaMulDiv(Opcode opcode, u32 insn); |
| 218 | static std::string DisassembleMemblock(Opcode opcode, uint32_t insn); | 219 | static std::string DisassembleMemblock(Opcode opcode, u32 insn); |
| 219 | static std::string DisassembleMem(uint32_t insn); | 220 | static std::string DisassembleMem(u32 insn); |
| 220 | static std::string DisassembleMemHalf(uint32_t insn); | 221 | static std::string DisassembleMemHalf(u32 insn); |
| 221 | static std::string DisassembleMCR(Opcode opcode, uint32_t insn); | 222 | static std::string DisassembleMCR(Opcode opcode, u32 insn); |
| 222 | static std::string DisassembleMLA(Opcode opcode, uint32_t insn); | 223 | static std::string DisassembleMLA(Opcode opcode, u32 insn); |
| 223 | static std::string DisassembleUMLAL(Opcode opcode, uint32_t insn); | 224 | static std::string DisassembleUMLAL(Opcode opcode, u32 insn); |
| 224 | static std::string DisassembleMUL(Opcode opcode, uint32_t insn); | 225 | static std::string DisassembleMUL(Opcode opcode, u32 insn); |
| 225 | static std::string DisassembleMRS(uint32_t insn); | 226 | static std::string DisassembleMRS(u32 insn); |
| 226 | static std::string DisassembleMSR(uint32_t insn); | 227 | static std::string DisassembleMSR(u32 insn); |
| 227 | static std::string DisassembleNoOperands(Opcode opcode, uint32_t insn); | 228 | static std::string DisassembleNoOperands(Opcode opcode, u32 insn); |
| 228 | static std::string DisassembleParallelAddSub(Opcode opcode, uint32_t insn); | 229 | static std::string DisassembleParallelAddSub(Opcode opcode, u32 insn); |
| 229 | static std::string DisassemblePKH(uint32_t insn); | 230 | static std::string DisassemblePKH(u32 insn); |
| 230 | static std::string DisassemblePLD(uint32_t insn); | 231 | static std::string DisassemblePLD(u32 insn); |
| 231 | static std::string DisassembleREV(Opcode opcode, uint32_t insn); | 232 | static std::string DisassembleREV(Opcode opcode, u32 insn); |
| 232 | static std::string DisassembleREX(Opcode opcode, uint32_t insn); | 233 | static std::string DisassembleREX(Opcode opcode, u32 insn); |
| 233 | static std::string DisassembleSAT(Opcode opcode, uint32_t insn); | 234 | static std::string DisassembleSAT(Opcode opcode, u32 insn); |
| 234 | static std::string DisassembleSEL(uint32_t insn); | 235 | static std::string DisassembleSEL(u32 insn); |
| 235 | static std::string DisassembleSWI(uint32_t insn); | 236 | static std::string DisassembleSWI(u32 insn); |
| 236 | static std::string DisassembleSWP(Opcode opcode, uint32_t insn); | 237 | static std::string DisassembleSWP(Opcode opcode, u32 insn); |
| 237 | static std::string DisassembleXT(Opcode opcode, uint32_t insn); | 238 | static std::string DisassembleXT(Opcode opcode, u32 insn); |
| 238 | }; | 239 | }; |