diff options
Diffstat (limited to 'src/arch')
| -rw-r--r-- | src/arch/arm/isa/thumbdecode.isa | 207 |
1 files changed, 206 insertions, 1 deletions
diff --git a/src/arch/arm/isa/thumbdecode.isa b/src/arch/arm/isa/thumbdecode.isa index 6277e7b59..d87374069 100644 --- a/src/arch/arm/isa/thumbdecode.isa +++ b/src/arch/arm/isa/thumbdecode.isa @@ -169,5 +169,210 @@ 0x0: WarnUnimpl::b(); // unconditional } } - 1: Unknown::unknown(); + + // 32 bit thumb instructions. + 1: decode HTOPCODE_12_11 { + 0x1: decode HTOPCODE_10_9 { + 0x0: decode HTOPCODE_8_6 { + 0x0, 0x6: decode HTOPCODE_4 { + 0x0: WarnUnimpl::srs(); + 0x1: WarnUnimpl::rfe(); + } + 0x1: decode HTOPCODE_5_4 { + 0x0: WarnUnimpl::strex(); + 0x1: WarnUnimpl::ldrex(); + 0x2: WarnUnimpl::strd(); // immediate + 0x3: decode HTRN { + 0xf: WarnUnimpl::ldrd(); // literal + default: WarnUnimpl::ldrd(); // immediate + } + } + 0x2: decode HTOPCODE_4 { + 0x0: WarnUnimpl::stm(); // stmia, stmea + 0x1: decode HTRN { + 0xd: WarnUnimpl::pop(); + default: WarnUnimpl::ldm(); // ldmia, ldmfd + } + } + 0x3: decode HTOPCODE_5_4 { + 0x0: decode LTOPCODE_7_4 { + 0x4: WarnUnimpl::strexb(); + 0x5: WarnUnimpl::strexh(); + 0x7: WarnUnimpl::strexd(); + } + 0x1: decode LTOPCODE_7_4 { + 0x0: WarnUnimpl::tbb(); + 0x1: WarnUnimpl::tbh(); + 0x4: WarnUnimpl::ldrexb(); + 0x5: WarnUnimpl::ldrexh(); + 0x7: WarnUnimpl::ldrexd(); + } + 0x2: WarnUnimpl::strd(); // immediate + 0x3: decode HTRN { + 0xf: WarnUnimpl::ldrd(); // literal + default: WarnUnimpl::ldrd(); // immediate + } + } + 0x4: decode HTOPCODE_4 { + 0x0: decode HTRN { + 0xd: WarnUnimpl::push(); + default: WarnUnimpl::stmdb(); // stmfd + } + 0x1: WarnUnimpl::ldmdb(); // ldmea + } + 0x5, 0x7: decode HTOPCODE_4 { + 0x0: WarnUnimpl::strd(); // immediate + 0x1: decode HTRN { + 0xf: WarnUnimpl::ldrd(); // literal + default: WarnUnimpl::ldrd(); // immediate + } + } + } + 0x1: decode HTOPCODE_8_5 { + 0x0: decode LTRD { + 0xf: decode HTS { + 0x1: WarnUnimpl::tst(); // register + } + default: WarnUnimpl::and(); // register + } + 0x1: WarnUnimpl::bic(); // register + 0x2: decode HTRN { + 0xf: WarnUnimpl::mov(); // register + default: WarnUnimpl::orr(); // register + } + 0x3: decode HTRN { + 0xf: WarnUnimpl::mvn(); // register + default: WarnUnimpl::orn(); // register + } + 0x4: decode LTRD { + 0xf: decode HTS { + 0x1: WarnUnimpl::teq(); // register + } + default: WarnUnimpl::eor(); // register + } + 0x6: WarnUnimpl::pkh(); + 0x8: decode LTRD { + 0xf: decode HTS { + 0x1: WarnUnimpl::cmn(); // register + } + default: WarnUnimpl::add(); // register + } + 0xa: WarnUnimpl::adc(); // register + 0xb: WarnUnimpl::sbc(); // register + 0xd: decode LTRD { + 0xf: decode HTS { + 0x1: WarnUnimpl::cmp(); // register + } + default: WarnUnimpl::sub(); // register + } + 0xe: WarnUnimpl::rsb(); // register + } + default: decode HTOPCODE_9_8 { + 0x2: decode LTOPCODE_4 { + 0x0: decode LTCOPROC { + 0xa, 0xb: decode OPCODE_23_20 { +##include "vfpdecode.isa" + } + default: WarnUnimpl::cdp(); // cdp2 + } + 0x1: decode LTCOPROC { + 0xa, 0xb: WarnUnimpl::Core_to_extension_transfer(); + default: decode HTOPCODE_4 { + 0x0: WarnUnimpl::mcr(); // mcr2 + 0x1: WarnUnimpl::mrc(); // mrc2 + } + } + } + 0x3: WarnUnimpl::Advanced_SIMD(); + default: decode LTCOPROC { + 0xa, 0xb: decode HTOPCODE_9_4 { + 0x00: WarnUnimpl::undefined(); + 0x04: WarnUnimpl::mcrr(); // mcrr2 + 0x05: WarnUnimpl::mrrc(); // mrrc2 + 0x02, 0x06, 0x08, 0x0a, 0x0c, 0x0e, 0x10, + 0x12, 0x14, 0x16, 0x18, 0x1a, 0x1c, 0x1e: + WarnUnimpl::stc(); // stc2 + 0x03, 0x07, 0x09, 0x0b, 0x0d, 0x0f, 0x11, + 0x13, 0x15, 0x17, 0x19, 0x1b, 0x1d, 0x1f: + decode HTRN { + 0xf: WarnUnimpl::ldc(); // ldc2 (literal) + default: WarnUnimpl::ldc(); // ldc2 (immediate) + } + } + default: decode HTOPCODE_9_5 { + 0x00: WarnUnimpl::undefined(); + 0x02: WarnUnimpl::SIMD_VFP_64_bit_core_extension_transfer(); + 0x01, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, + 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f: + WarnUnimpl::Extension_register_load_store_instruction(); + } + } + } + } + 0x2: decode LTOPCODE_15 { + 0x0: decode HTOPCODE_9 { + 0x0: WarnUnimpl::Data_processing_modified_immediate(); + 0x1: WarnUnimpl::Data_processing_plain_binary_immediate(); + } + 0x1: WarnUnimpl::Branches_and_miscellaneous_control(); + } + 0x3: decode HTOPCODE_10_9 { + 0x0: decode HTOPCODE_4 { + 0x0: decode HTOPCODE_8 { + 0x0: WarnUnimpl::Store_single_data_item(); + 0x1: WarnUnimpl::Advanced_SIMD_or_structure_load_store(); + } + 0x1: decode HTOPCODE_6_5 { + 0x0: WarnUnimpl::Load_byte_memory_hints(); + 0x1: WarnUnimpl::Load_halfword_memory_hints(); + 0x2: WarnUnimpl::Load_word(); + 0x3: WarnUnimpl::undefined(); + } + } + 0x1: decode HTOPCODE_8_7 { + 0x2: WarnUnimpl::Multiply_multiply_accumulate_and_absolute_difference(); + 0x3: WarnUnimpl::Long_multiply_long_multiply_accumulate_and_divide(); + default: WarnUnimpl::Data_processing_register(); + } + default: decode HTOPCODE_9_8 { + 0x2: decode LTOPCODE_4 { + 0x0: decode LTCOPROC { + 0xa, 0xb: WarnUnimpl::VFP_Inst(); + default: WarnUnimpl::cdp(); // cdp2 + } + 0x1: decode LTCOPROC { + 0xa, 0xb: WarnUnimpl::Core_to_extension_transfer(); + default: decode HTOPCODE_4 { + 0x0: WarnUnimpl::mcr(); // mcr2 + 0x1: WarnUnimpl::mrc(); // mrc2 + } + } + } + 0x3: WarnUnimpl::Advanced_SIMD(); + default: decode LTCOPROC { + 0xa, 0xb: decode HTOPCODE_9_4 { + 0x00: WarnUnimpl::undefined(); + 0x04: WarnUnimpl::mcrr(); // mcrr2 + 0x05: WarnUnimpl::mrrc(); // mrrc2 + 0x02, 0x06, 0x08, 0x0a, 0x0c, 0x0e, 0x10, + 0x12, 0x14, 0x16, 0x18, 0x1a, 0x1c, 0x1e: + WarnUnimpl::stc(); // stc2 + 0x03, 0x07, 0x09, 0x0b, 0x0d, 0x0f, 0x11, + 0x13, 0x15, 0x17, 0x19, 0x1b, 0x1d, 0x1f: + decode HTRN { + 0xf: WarnUnimpl::ldc(); // ldc2 (literal) + default: WarnUnimpl::ldc(); // ldc2 (immediate) + } + } + default: decode HTOPCODE_9_5 { + 0x00: WarnUnimpl::undefined(); + 0x02: WarnUnimpl::SIMD_VFP_64_bit_core_extension_transfer(); + 0x01, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, + 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f: + WarnUnimpl::Extension_register_load_store_instruction(); + } + } + } + } + } } |