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Implement Thumb instructions: ADD (SP plus imm, T1), ADD (SP plus imm, T2), SUB (SP minus imm)

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MerryMage
2016-07-18 11:16:12 +01:00
parent c18a3eeab4
commit 9109b226af
4 changed files with 46 additions and 4 deletions
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8
src/frontend/decoder/thumb16.h
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@@ -113,13 +113,13 @@ boost::optional<const Thumb16Matcher<V>&> DecodeThumb16(u16 instruction) {
//INST(&V::thumb16_STR_sp, "STR (SP)", "10010dddvvvvvvvv"),
//INST(&V::thumb16_LDR_sp, "LDR (SP)", "10011dddvvvvvvvv"),
// Generate relative address instruction
// Generate relative address instructions
INST(&V::thumb16_ADR, "ADR", "10100dddvvvvvvvv"),
//INST(&V::thumb16_ADD_sp, "ADD (relative to SP)", "10101dddvvvvvvvv"),
INST(&V::thumb16_ADD_sp_t1, "ADD (SP plus imm, T1)", "10101dddvvvvvvvv"),
INST(&V::thumb16_ADD_sp_t2, "ADD (SP plus imm, T2)", "101100000vvvvvvv"), // v4T
INST(&V::thumb16_SUB_sp, "SUB (SP minus imm)", "101100001vvvvvvv"), // v4T
// Miscellaneous 16-bit instructions
//INST(&V::thumb16_ADD_spsp, "ADD (imm to SP)", "101100000vvvvvvv"), // v4T
//INST(&V::thumb16_SUB_spsp, "SUB (imm from SP)", "101100001vvvvvvv"), // v4T
INST(&V::thumb16_SXTH, "SXTH", "1011001000mmmddd"), // v6
INST(&V::thumb16_SXTB, "SXTB", "1011001001mmmddd"), // v6
INST(&V::thumb16_UXTH, "UXTH", "1011001010mmmddd"), // v6