Commit Graph
12 Commits
Author SHA1 Message Date
merryandGitHub 747081d2c7 Decoders: Fix instruction lengths for 16-bit B instructions (#3177) 2022-03-05 16:20:24 +01:00
merryandGitHub 497199bb50 Decoder: Exit on trapping instructions, and resume execution at trapping instruction (#3153)
* Decoder: Exit on trapping instructions, and resume execution at trapping instruction

* Resume at trapping address

* remove mustExit
2022-03-04 23:16:58 +01:00
merryandGitHub bd9ac0fdaa T32: Implement B, B.cond, BL, BLX (#3155)
* Decoders: Make IsThumb a function of OpCode32

* OpCode32: Fix GetPc

* T32: Implement B, B.cond, BL, BLX

* rm usings
2022-03-04 23:05:08 +01:00
merryandGitHub 7b35ebc64a T32: Implement ALU (shifted register) instructions (#3135)
* T32: Implement ADC, ADD, AND, BIC, CMN, CMP, EOR, MOV, MVN, ORN, ORR, RSB, SBC, SUB, TEQ, TST (shifted register)

* OpCodeTable: Sort T32 list

* Tests: Rename RandomTestCase to PrecomputedThumbTestCase

* T32: Tests for AluRsImm instructions

* fix nit

* fix nit 2
2022-02-22 19:11:28 -03:00
merryandGitHub dc063eac83 ARMeilleure: Implement single stepping (#3133)
* Decoder: Implement SingleInstruction decoder mode

* Translator: Implement Step

* DecoderMode: Rename Normal to MultipleBlocks
2022-02-22 11:11:42 -03:00
merryandGitHub f1460d5494 A32: Fix BLX and BXWritePC (#3151) 2022-02-22 10:41:56 -03:00
merryandGitHub 747876dc67 Decoders: Add IOpCode32HasSetFlags (#3136) 2022-02-18 01:33:43 +01:00
merryandGitHub 98e05ee4b7 ARMeilleure: Thumb support (All T16 instructions) (#3105)
* Decoders: Add InITBlock argument

* OpCodeTable: Minor cleanup

* OpCodeTable: Remove existing thumb instruction implementations

* OpCodeTable: Prepare for thumb instructions

* OpCodeTables: Improve thumb fast lookup

* Tests: Prepare for thumb tests

* T16: Implement BX

* T16: Implement LSL/LSR/ASR (imm)

* T16: Implement ADDS, SUBS (reg)

* T16: Implement ADDS, SUBS (3-bit immediate)

* T16: Implement MOVS, CMP, ADDS, SUBS (8-bit immediate)

* T16: Implement ANDS, EORS, LSLS, LSRS, ASRS, ADCS, SBCS, RORS, TST, NEGS, CMP, CMN, ORRS, MULS, BICS, MVNS (low registers)

* T16: Implement ADD, CMP, MOV (high reg)

* T16: Implement BLX (reg)

* T16: Implement LDR (literal)

* T16: Implement {LDR,STR}{,H,B,SB,SH} (register)

* T16: Implement {LDR,STR}{,B,H} (immediate)

* T16: Implement LDR/STR (SP)

* T16: Implement ADR

* T16: Implement Add to SP (immediate)

* T16: Implement ADD/SUB (SP)

* T16: Implement SXTH, SXTB, UXTH, UTXB

* T16: Implement CBZ, CBNZ

* T16: Implement PUSH, POP

* T16: Implement REV, REV16, REVSH

* T16: Implement NOP

* T16: Implement LDM, STM

* T16: Implement SVC

* T16: Implement B (conditional)

* T16: Implement B (unconditional)

* T16: Implement IT

* fixup! T16: Implement ADD/SUB (SP)

* fixup! T16: Implement Add to SP (immediate)

* fixup! T16: Implement IT

* CpuTestThumb: Add randomized tests

* Remove inITBlock argument

* Address nits

* Use index to handle IfThenBlockState

* Reduce line noise

* fixup

* nit
2022-02-17 19:39:45 -03:00
merryandGitHub ce71f9144e InstEmitMemory32: Literal loads always have word-aligned PC (#3104) 2022-02-11 17:51:03 -03:00
merryandGitHub 86b37d0ff7 ARMeilleure: A32: Implement SHSUB8 and UHSUB8 (#3089)
* ARMeilleure: A32: Implement UHSUB8

* ARMeilleure: A32: Implement SHSUB8
2022-02-08 10:46:42 +01:00
merryandGitHub 88d3ffb97c ARMeilleure: A32: Implement SHADD8 (#3086) 2022-02-06 12:25:45 -03:00
merryandGitHub 222b1ad7da ARMeilleure: OpCodeTable: Add CMN (RsReg) (#3087) 2022-02-06 02:01:05 +01:00