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target-i386: Use deposit operation.
Use this for assignment to the low byte or low word of a register.
Acked-by: Aurelien Jarno <aurelien@aurel32.net>Signed-off-by: Richard Henderson <rth@twiddle.net>Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
target-i386: use gen_update_cc_op()
This patch simplifies target-i386/translate.c a bit by replacing somecode with gen_update_cc_op()
Signed-off-by: Jun Koi <junkoi2004@gmail.com>Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
use symbol for DisasContext->is_jmp
This patch replaces constant value assigned for (DisasContext*)->is_jmp with DISAS_TB_JUMP.
Signed-off-by: Jun Koi <junkoi2004@gmail.com>Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
Add more boundary checking to sse3/4 parsing
ssse3 uses tables with only two entries per op, but it is indexedwith b1 which can contain variables upto 3. This happens when ssse3or sse4 are used with REP* prefixes.
Add boundary checking for this case....
target-i386: fix xchg rax,r8
We were ignoring REX_B while special-casing NOP, i.e. xchg eax,eax.
Signed-off-by: Richard Henderson <rth@twiddle.net>Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
target-i386: fix decoding of negative 4-byte displacements
Negative four byte displacements need to be sign-extended afterc086b783eb7a578993d6d2ab62c4c2666800b63d. Do so.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>Acked-by: Richard Henderson <rth@twiddle.net>...
target-i386: Remove duplicate CPU log.
The proper logging for -d cpu is done in generic code.
x86: remove dead assignments, spotted by clang analyzer
Value stored is never read.
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
remove TARGET_* defines from translate-all.c
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
target-i386: fix commit c22549204a6edc431e8e4358e61bd56386ff6957
The commit c22549204a6edc431e8e4358e61bd56386ff6957 led movntps &movntdq to be translated incorrectly.
Signed-off-by: TeLeMan <geleman@gmail.com>Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
target-i386: fix SIB decoding with index = 4
A SIB byte with an index of 4 means "no scaled index", even if the scalevalue is not 0. In 64-bit mode, if REX.X is used, an index of 4 selects%r12. This is correctly handled by the computation of the index variable,...
target-i386: Fix long jumps/calls in long mode with REX.W set
Signed-off-by: malc <av1474@comtv.ru>Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
target-i386: fix lddqu SSE instruction
This instruction load data from memory to register and not the reverse.
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
remove two dead assignments in target-i386/translate.c
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
x86: translate.c: remove dead assignment
clang-analyzer points out a redundant assignment.
Signed-off-by: Amit Shah <amit.shah@redhat.com>Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
target-i386: Fix "call im" on x86_64 when executing 32-bit code
Similarly to what is done in 32938e127f50a40844a0fb9c5abb8691aeeccf7efor "jmp im", trunc the immediate to 32-bit when not running in 64-bitmode.
Reported-by: Kevin O'Connor <kevin@koconnor.net>...
target-i386: implement lzcnt emulation
lzcnt is a AMD Phenom/Barcelona added instruction returning thenumber of leading zero bits in a word.As this is similar to the "bsr" instruction, reuse the existingcode. There need to be some more changes, though, as lzcnt always...
target-i386: fix ARPL
The arpl implementation in target-i386/translate.c uses cpu_A0temporary across a brcond op. This patch fixes that issue.
Signed-off-by: Laurent Desnogues <laurent.desnogues@gmail.com>Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
target-i386: Fix exceptions for fxsave/fxrstor
This patch corrects the following aspects of exception generation infxsave/fxrstor:
target-i386: add RDTSCP support
RDTSCP reads the time stamp counter and atomically also the contentof a 32-bit MSR, which can be freely set by the OS. This allows CPUlocal data to be queried by userspace.Linux uses this to allow a fast implementation of the getcpu()...
target-i386: add SSE4a instruction support
This adds support for the AMD Phenom/Barcelona's SSE4a instructions.Those include insertq and extrq, which are doing shift and mask onXMM registers, in two versions (immediate shift/length values andstored in another XMM register)....
target-i386: add lock mov cr0 = cr8
AMD CPUs featuring a shortcut to access CR8 even from 32-bit mode.If you use the LOCK prefix with "mov CR0", it accesses CR8 instead.This behavior is guarded by the CR8_LEGACY CPUID bit(Fn8000_0001:ECX1).
Signed-off-by: Andre Przywara <andre.przywara@amd.com>...
x86: use globals for CPU registers
Use globals for the 8 or 16 CPU registers on i386 and x86_64.
target-i386: kill a tmp register
target-i386: use subfi instead of sub with a non-freed constant
Fix sys-queue.h conflict for good
Problem: Our file sys-queue.h is a copy of the BSD file, but there aresome additions and it's not entirely compatible. Because of that, there havebeen conflicts with system headers on BSD systems. Some hacks have beenintroduced in the commits 15cc9235840a22c289edbe064a9b3c19c5f49896,...
rename WORDS_BIGENDIAN to HOST_WORDS_BIGENDIAN
Signed-off-by: Juan Quintela <quintela@redhat.com>Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Update to a hopefully more future proof FSF address
x86: Add support for resume flag
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Include assert.h from qemu-common.h
Include assert.h from qemu-common.h and remove other direct uses.cpu-all.h still need to include it because of the dyngen-exec.h hacks
Signed-off-by: Paul Brook <paul@codesourcery.com>
Replace gcc variadic macro extension with C99 version
Add new command line option -singlestep for tcg single stepping.
This replaces a compile time option for some targets and addsthis feature to targets which did not have a compile time option.
Add monitor command to enable or disable single step mode.
Modify monitor command "info status" to display single step mode....
Immediate versions of ro[lr]
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6968 c046a42c-6fe2-441c-8c8c-71466251a162
target-i386: use the new bswap* TCG ops
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6836 c046a42c-6fe2-441c-8c8c-71466251a162
tcg: rename bswap_i32/i64 functions
Rename bswap_i32 into bswap32_i32 and bswap_i64 into bswap64_i64
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6829 c046a42c-6fe2-441c-8c8c-71466251a162
global s/loglevel & X/qemu_loglevel_mask(X)/ (Eduardo Habkost)
These are references to 'loglevel' that aren't on a simple 'if (loglevel &X) qemu_log()' statement.
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>...
Convert references to logfile/loglevel to use qemu_log*() macros
This is a large patch that changes all occurrences of logfile/loglevelglobal variables to use the new qemu_log*() macros.
Update FSF address in GPL/LGPL boilerplate
The attached patch updates the FSF address in the GPL/LGPL boilerplatein most GPL/LGPLed files, and also in COPYING.LIB.
Signed-off-by: Stuart Brady <stuart.brady@gmail.com>Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>...
Fix smsw for x86_64 guest and bigendian host case
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6009 c046a42c-6fe2-441c-8c8c-71466251a162
target-i386: Fix jmp im on x86_64 when executing 32-bit code
When running grub-install (32-bit) on an x86_64 Linux system in qemu, ithangs on a pagefault forever, because an integer overflow occurs on theIP on "jmp im". This patch masks overflows for 32 bit IPs on a 64 bit...
target-i386: fix CVE-2007-1322
The icebp instruction can be abused to terminate the emulation,resulting in denial of service.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5921 c046a42c-6fe2-441c-8c8c-71466251a162
Use sys-queue.h for break/watchpoint managment (Jan Kiszka)
This switches cpu_break/watchpoint_* to TAILQ wrappers, simplifying thecode and also fixing a use after release issue incpu_break/watchpoint_remove_all.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>...
Refactor and enhance break/watchpoint API (Jan Kiszka)
This patch prepares the QEMU cpu_watchpoint/breakpoint API to allow thesucceeding enhancements this series comes with.
First of all, it overcomes MAX_BREAKPOINTS/MAX_WATCHPOINTS by switchingto dynamically allocated data structures that are kept in linked lists....
TCG variable type checking.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5729 c046a42c-6fe2-441c-8c8c-71466251a162
Fix crc32w decoding, fix a constant width in blendvpd.
Forced the constant's width to long long so that it doesn't overflow,problem spotted by C. W. Betts.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5417 c046a42c-6fe2-441c-8c8c-71466251a162
x86 "popcnt" affects flags.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5412 c046a42c-6fe2-441c-8c8c-71466251a162
Implement SSE4.1, SSE4.2 (x86).
This adds support for CPUID_EXT_SSE41, CPUID_EXT_SSE42, CPUID_EXT_POPCNTextensions. Most instructions haven't been tested yet.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5411 c046a42c-6fe2-441c-8c8c-71466251a162
x86 pextrw destination operand can be r64.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5367 c046a42c-6fe2-441c-8c8c-71466251a162
SYSENTER/SYSEXIT IA-32e implementation (Alexander Graf).
On Intel CPUs, sysenter and sysexit are valid in 64-bit mode. This patchmakes both 64-bit aware and enables them for Intel CPUs.Add cpu save/load for 64-bit wide sysenter variables.
Signed-off-by: Alexander Graf <agraf@suse.de>...
Implement x86 SSSE3 instructions.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5315 c046a42c-6fe2-441c-8c8c-71466251a162
Small cleanup of gen_intermediate_code(_internal), by Laurent Desnogues.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4891 c046a42c-6fe2-441c-8c8c-71466251a162
fix cvtsq2s[sd] (Juergen Lock)
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4856 c046a42c-6fe2-441c-8c8c-71466251a162
Re-add static qualifier. Fix annother occurance of "const static".
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4850 c046a42c-6fe2-441c-8c8c-71466251a162
Fix rdtsc instruction counting.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4810 c046a42c-6fe2-441c-8c8c-71466251a162
Add instruction counter.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4799 c046a42c-6fe2-441c-8c8c-71466251a162
HLT, MWAIT and MONITOR insn fixes (initial patch by Alexander Graf)
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4746 c046a42c-6fe2-441c-8c8c-71466251a162
undocumented 0x82 opcode is invalid in 64 bit code
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4687 c046a42c-6fe2-441c-8c8c-71466251a162
fixed exceptions for cpuid and invlpg
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4664 c046a42c-6fe2-441c-8c8c-71466251a162
reworked SVM interrupt handling logic - fixed vmrun EIP saved value - reworked cr8 handling - added CPUState.hflags2
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4662 c046a42c-6fe2-441c-8c8c-71466251a162
32 bit SVM fixes - INVLPG and INVLPGA updates
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4660 c046a42c-6fe2-441c-8c8c-71466251a162
SVM rework
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4605 c046a42c-6fe2-441c-8c8c-71466251a162
fixed x86_64 regression
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4586 c046a42c-6fe2-441c-8c8c-71466251a162
transformed TN into temporaries - add local temporaries usage when needed - optimized fcmovX
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4577 c046a42c-6fe2-441c-8c8c-71466251a162
Fix ARM conditional branch bug.Add tcg_gen_brcondi.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4552 c046a42c-6fe2-441c-8c8c-71466251a162
use debug_insn_start to have nicer debug traces
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4532 c046a42c-6fe2-441c-8c8c-71466251a162
proper helper definition registering (all targets must do that)
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4530 c046a42c-6fe2-441c-8c8c-71466251a162
optimization of shifts by a constant
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4524 c046a42c-6fe2-441c-8c8c-71466251a162
lahf/sahf cpuid test
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4523 c046a42c-6fe2-441c-8c8c-71466251a162
cmpxchg8b fix - added cmpxchg16b
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4522 c046a42c-6fe2-441c-8c8c-71466251a162
cmpxchg 64 bit fix
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4521 c046a42c-6fe2-441c-8c8c-71466251a162
converted conditional jumps, SET and CMOVx to TCG
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4518 c046a42c-6fe2-441c-8c8c-71466251a162
converted env access to TCG
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4516 c046a42c-6fe2-441c-8c8c-71466251a162
convert eflags manipulation insns to TCG
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4515 c046a42c-6fe2-441c-8c8c-71466251a162
convert remaining segment handling to TCG
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4514 c046a42c-6fe2-441c-8c8c-71466251a162
converted LSL/LAR/VERW/VERR to TCG - force 16 bit memory access for LSL/LAR
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4513 c046a42c-6fe2-441c-8c8c-71466251a162
suppressed no longer used ops
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4511 c046a42c-6fe2-441c-8c8c-71466251a162
converted INTO/CMPXCHG8B to TCG
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4510 c046a42c-6fe2-441c-8c8c-71466251a162
converted BCD ops to TCG
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4509 c046a42c-6fe2-441c-8c8c-71466251a162
converted MUL/IMUL to TCG
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4508 c046a42c-6fe2-441c-8c8c-71466251a162
converted string OPs and LOOP insns to TCG
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4494 c046a42c-6fe2-441c-8c8c-71466251a162
fixed INC/DEC condition codes
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4493 c046a42c-6fe2-441c-8c8c-71466251a162
converted sign extension ops to TCG
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4481 c046a42c-6fe2-441c-8c8c-71466251a162
MONITOR insn address generation fix - converted XLAT to TCG
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4479 c046a42c-6fe2-441c-8c8c-71466251a162
BSR/BSF TCG conversion
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4477 c046a42c-6fe2-441c-8c8c-71466251a162
converted bit test operations to TCG
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4473 c046a42c-6fe2-441c-8c8c-71466251a162
converted adc, sbb, cmpxchg to TCG
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4471 c046a42c-6fe2-441c-8c8c-71466251a162
converted condition code supprot to TCG - converted shift ops to TCG
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4470 c046a42c-6fe2-441c-8c8c-71466251a162
converted more helpers to TCG - fixed some SVM issues
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4459 c046a42c-6fe2-441c-8c8c-71466251a162
compilation fix
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4449 c046a42c-6fe2-441c-8c8c-71466251a162
converted more helpers to TCG
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4447 c046a42c-6fe2-441c-8c8c-71466251a162
FPU fixes
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4445 c046a42c-6fe2-441c-8c8c-71466251a162
converted x87 FPU ops to TCG
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4444 c046a42c-6fe2-441c-8c8c-71466251a162
converted SSE/MMX ops to TCG
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4441 c046a42c-6fe2-441c-8c8c-71466251a162
use TCG for MMX/SSE memory accesses
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4439 c046a42c-6fe2-441c-8c8c-71466251a162
Factorize code in translate.c
(Glauber Costa)
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4274 c046a42c-6fe2-441c-8c8c-71466251a162
Check for 3DNow! CPUID at translation time
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4184 c046a42c-6fe2-441c-8c8c-71466251a162
3DNow! instruction set emulation
(Michael Tross)
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4180 c046a42c-6fe2-441c-8c8c-71466251a162
More helper types, rearrange generic definitions
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3988 c046a42c-6fe2-441c-8c8c-71466251a162
Add TCG variable opaque type.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3961 c046a42c-6fe2-441c-8c8c-71466251a162
use the TCG code generator
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3944 c046a42c-6fe2-441c-8c8c-71466251a162