IEM,CPUM: Implemented XSETBV and XGETBV.

CPUM,IEM: Expose GuestFeatures and HostFeatures (exploded CPUID), making IEM use it. Early XSAVE/AVX guest support preps.

IEMAllInstructions.cpp.h: evex & xop notes.

IEM: Added salc (set AL to CF). Started making sense of the whole SIMD/AVX(VEX) thing.

IEM: Added salc (set AL to CF). Started making sense of the whole SIMD/AVX(VEX) thing.

doc nits

IEM: into is invalid in 64-bit mode; added int1/icebp.

IEM: Implemented fidl m64i.

IEM: Added FILD m16.

IEM: Corrected FNOP opcode.

IEM: Added forgotten return statements.

IEM: Fixed several instances of iEffSeg being accessed before the decoding was over, causing iPXE to guru on us. Implemented DAS and DAA to verify the previous fix.

VMM: Warnings.

IPRT: Filename extension versus suffix cleanup, long overdue.

IEM: Fixed BT so it doesn't generate any writes.

EM/HM: Don't switch to REM immediately, try up to 1024 instruction in IEM first - only HM exec mode. This covers most trips to REM when booting xppro without nested paging.

IEM: POP rSP fix.

PUSH SREG intel update.

IEM: Implemented RF. Working on verfication against VT-x.

loop $ optimization.

IEM: LAR,LSL,ARPL, and some tracing (RTTraceBuf*).

build fix

IEM: VERR and VERW.

IEM,HM,PGM: Started on string I/O optimizations using IEM (disabled). Cleaned up confusing status code handling in hmR0VmxCheckForceFlags (involving PGM) as well as some use of incorrect doxygen groups (@name).

marked a few more instruction that bash seems to need.

marked a few more instruction that bash seems to need.

IEM: Started introducing some disassembler details in the decoder that can later be used for instruction statistics and building heuristics.

IEM: pmovmskb.

IEM: Added pcmpeqb/w/d and corrected alignment exception handling a little.

IEM: Packed Shuffle Stuff.

IEM: movd/movq overhaul and both directions.

IEM: More SSE and MMX.

IEM: More SSE/MMX stuff.

IEM: MOVD XM,GREG (sse2,mmx); REX prefix decoding fixes (must be last prefix). VEX preps, correcting LDS and LES to not be available in 64-bit mode.

IEM: syscall and sysret.

IEM: SS=0 fixes, the right way this time.

IEM: Fixed a RIP relative addressing bug in the 32-bit operand case of IMUL x,y,imm8.

IEM: Implemented swapgs

IEM: Implemented the mwait & monitor instructions. (Still work to be done on mwait in EM, but that's a different topic.)

IEM: BSWAP fix (don't blindly trust the intel manual).

IEM: Implemented mfence, lfence, sfence.

IEM: Overlooked one test instruction.

IEM: More 64-bit fixes.

Fixed jmp far [indirect] and call far [indirect] to no cause #UD. These instructions seems to be misbehaving on AMD when REX.W is used (it's ignored according to my observations - needs verification).

pop qword [addr-expr] typo (storing 16 instead of 64 bytes).

IEM: Long mode hacking.

More interrupt dispatching in long mode (untested).

IEM: idiv and div missing bits and fixes.

Added missing IEM_MC_CLEAR_HIGH_GREG_U64_BY_REF after IEM_MC_REF_GREG_U32.

rip addressing fix for instructions with immediates.

Fixed first bunch of bugs found by the testcase.

IEM: movsxd

IEM: movsxd

IEM: More 64-bit guest debugging.

IEM: Fixed indexing bug in iemOp_EscF1.

IEM: IRET to V8086 (had to try). Set CPUM_CHANGED_FPU_REM. Added missing RIP advancing to fincstp and fdecstp.

Fixed fnstcw. Implemented fnsave and frstor.

IEM: Implemented CMPXCHG.

IEM: Implemented WRMSR. Fixed mixed up src/dst in XADD.

IEM: Implemented CMPXCHG8B. Fixed PGMPhysIemGCPhys2Ptr so that it doesn't return informational status returns, only VINF_SUCCESS and errors.

IEM: Forgot to advance RIP in STR & SLDT.

IEM: Implemented SIDT, SGDT, SLDT and STR. Fixed LLDT and LTR mode checks. Fixed hidden selector handling bugs in selector loading and mode switching code. Fixed clobbering of high EBP bits in ENTER (16-bit stack). Changed MOVS to not use memcpy and flag the verifier if the src/dst areas are in overlapping in any important way.

IEM: Implemented SGDT and SIDT.

IEM: imul fixes.

IEM: Working on new BIOS / NT...

IEM: Stats and more gentle stubs for unimplemented instructions.

VMM: RDTSCP support on Intel. Segregated some common CPU features from the AMD superset into Extended features as they're now available on Intel too.

Added stubs for most instructions.

IEM: fnstsw m16, ffree and ffreep, reimplemented fincstp and fdecstp.

Implemented fpu instruction stubs starting with 0xdd (fiadd m32i ++).

IEM: fcompp, fucomp, fcom and fst_stN.

IEM: Completed fpu instructions starting with 0xdc.

fcomi, fcomip, fucomi and fucomip.

IEM: fstp/fld m80r.

IEM: fst[p], fist[p] and fisttp implementations and fixes.

IEM: Completed FPU instruction starting with 0xdb. Fixed build break from previous commit.

IEM: Conditional FPU move instructions (FCMOV*).

IEM: Implemented FPU instructions 0xd9 0xf3 thru 0xd9 0xff, completing the 0xd9 prefixed instructions.

typos.

f2xm1, fyl2x, fptan. fpu stack push bugfix.

IEM: Implemented 0xd9 0xe0 thru 0xd9 0xee (fpu stuff).

IEM: Implemented fxch.

IEM: fnop, fld stN and a bunch of FPU related fixes.

IEM: Implemented fldcw, fldenv fnstcw and fnstenv.

IEM: fst/fstp m64r/m32r.

IEM: Implemented missing FPU instructions starting with 0xd8 and adjusted fld m32r and fld m64r.

fstp st0

Some cleaning up.

checked out some todos.

IEM: fnclex.

Implemented fistp (needs testcase).

IEM: A bunch of r80 by r80 instructions, needed fsubrp stN,st0.

IEM: More r80 by m64r instructions.

fmul st0,m64r

IEM: fdiv implemented but untested.

fdiv - almost there...

fdiv implementation in progress (-> laptop).

IEM: fld m64i

build fix

0xdf 11/1 seems to behave like fxch st(i), while 0xdf 11/2 and 11/3 both behave like fstp st(i).

IEM: 0xde 11/2 seems to behave like fcomp.

IEM: 0xdd 11/1 seems to behave like fxch.

More FPU instruction stubs and attempts at figuring out what the reserved opcodes does.

More FPU instruction stubs.

More FPU instruction stubs.

Implemented fld, currently sans #D exceptions.

hacking in progress...

a bit more...

IEM: Some more FPU work underways.

IEM: fxsave & fxrstor.

fxsave + fxrstor is underways => laptop.

IEM: Filled in some NOPs and PREFETCHes.

IEM: Group 15 stubs.

IEM: Try to fix build error

tstX86-1: Some fxsave and fxrstor tests.

oops. commited a bit too much.

txtX86-1: some prefix decoding checks for the groups and rex.

IEM: Implemented rdmsr.

IEM: VERR_NOT_IMPLEMENTED -> VERR_IEM_INSTR_NOT_IMPLEMENTED or VERR_IEM_ASPECT_NOT_IMPLEMENTED.

IEM: Implemented bswap. Fixed verification of INS.

IEM: String fixes; invlpg.

iemOp_Grp8: ditto

iemOpCommonBit_Ev_Gv: Fixed lock-prefixed bts and friends.

IEM: todo

IEM: Adding GET_NEXT_U16_ZX_U32/64 and GET_NEXT_U32_ZX_U64.

IEM: Fixed some details in the AAM, SAHF and LAHF instruction emulation.

VMM: -Wunused-parameter

IEM: Implemented immediate far call.

IEM: Implemented AAM, fixed AAD.

IEM: Implemented LAHF/SAHF.

IEM: Implemented CMC.

IEM: Implemented CBW and friends.

IEM: two mnemonic typos.

IEM: Implemented AAD (used by the bios build by watcomc) and fixed a LES decoding bug.

IEM: xadd

IEMAllAImpl.asm: BEGINCODE

IEM: More checks and another build fix attempt.

IEM: check more, try fix build.

IEM: More cleanup and checks.

IEM: More cleanup and checks.

IEM: Cleaning up and 'microcode' testcase - work in progress...

IEM: rdtsc, mov DRx, ltr, lldt. cmovnle fix.

IEM: bsf, bsr, bt, btc, bts, btr and leave. Some cleaning up.

IEM: SHLD, SHRD.

IEM: Some more bits.

IEM: started drilling down to FINIT, but have to change location.

IEM: CMOVcc, JMPF Ep.

IEM: cpuid, clts, fixes.

IEM: SMSW and LMSW.

IEM: pop Ev; fixed the setting of accessed bit.

IEM: Fixed missing RIP advancing when rCX was 0. 'LSS GReg, r/m' should not inhibit interrupt delivery like pop SS and mov SS, GReg.

IEM: Some more instructions and tweaks.

IEM: implemented XLAT, extended the output when hitting a stub.

IEM: imul, fixes & optimization hack.

IEM: XCHG mem,reg and CALLN r/m

IEM: hlt

IEM: Verify memory writes, fixed bugs found doing so.

IEM: Verify I/O port read and writes as well as MMIO accesses. Implemented some more instructions, getting thru the BIOS now.

IEM: Some more bits.

gcc build fixes.

build fix.

build fixes.

IEM: Initial commit, work in progress.