Stanislav Shwartsman
0f39ce58be
fixed compilation warnings and errors with MSVCPP
2014-07-09 16:08:16 +00:00
Stanislav Shwartsman
279c61dc67
updated + fixed instrumentation example for instr histogram, code cleanup in the cpu
2012-03-28 21:11:19 +00:00
Stanislav Shwartsman
7f5f917a34
more SVM implementation
2011-12-27 19:42:11 +00:00
Stanislav Shwartsman
6ae86a059b
firt cleanup in SVM code. added intercept check for MSR and IO
2011-12-26 19:57:39 +00:00
Stanislav Shwartsman
b8f2d91b9a
fixed compilation err
2011-11-28 21:16:40 +00:00
Stanislav Shwartsman
13feb0772a
- 10% emulation speedup with handlers chaining optimization implemented. The
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feature is enabled by default when configure with --enable-all-optimizations
option, to disable handlers chaining speedups configure with
--disable-handlers-chaining
2011-08-21 14:31:08 +00:00
Stanislav Shwartsman
0171324877
small favor to VMX OFF for code that compiled with VMX ON
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avoid function call when not in vmx guest.
2011-08-09 20:50:51 +00:00
Stanislav Shwartsman
002c86660a
reword all the CPU code in preparation for future CPU speedup implementation.
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Bochs emulation can be another 10-15% faster using technique described in paper
"Fast Microcode Interpretation with Transactional Commit/Abort"
http://amas-bt.cs.virginia.edu/2011proceedings/amasbt2011-p3.pdf
2011-07-06 20:01:18 +00:00
Stanislav Shwartsman
7d80a6ebe0
Adding Id and Rev property to all files
2011-02-24 21:54:04 +00:00
Stanislav Shwartsman
cffe32dd2c
remove unused param from exception() call
2010-03-14 15:51:27 +00:00
Stanislav Shwartsman
bd60e0264c
change Copyright to Bochs Project
2009-12-04 16:53:12 +00:00
Stanislav Shwartsman
67bf255646
bugfix
2009-08-28 13:05:21 +00:00
Stanislav Shwartsman
4fc66aab31
Fixes for compilation by Visual Studio 2008
2009-04-07 16:12:19 +00:00
Stanislav Shwartsman
9e092a86c3
merge "system" and "segment" blocks of descriptor
2009-04-05 19:09:44 +00:00
Stanislav Shwartsman
f8185a6bc6
Added Intel VMX emulation to Bochs CPU
2009-01-31 10:43:24 +00:00
Stanislav Shwartsman
503cc4c836
merge fix
2009-01-23 09:33:11 +00:00
Stanislav Shwartsman
62005d4fd9
Minimize diff with VMX support branch
2009-01-23 09:26:24 +00:00
Stanislav Shwartsman
9929e6ed78
- updated FSF address
2009-01-16 18:18:59 +00:00
Stanislav Shwartsman
8af7eff93f
Oops, remove future stuff
2009-01-15 17:12:18 +00:00
Stanislav Shwartsman
0836545037
Merge io.cc and io_pro.cc (required for future VMX use)
2009-01-15 16:53:08 +00:00
Stanislav Shwartsman
b7839dfcbe
Optimize repeat I/O calls
2008-12-29 17:35:35 +00:00
Stanislav Shwartsman
a2e07ff971
- Removed --enable-guest2hos-tlb configure option. The option will be
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always enabled for any Bochs configuration.
2008-12-11 21:19:38 +00:00
Stanislav Shwartsman
d7fa44d270
optimize code access detection
2008-12-05 22:34:42 +00:00
Stanislav Shwartsman
0f5f075e4d
- Fixed theoretically possible pageWriteStamp overflow
2008-10-21 19:50:05 +00:00
Stanislav Shwartsman
23933d731c
Remove 4G limit optimization that didn't work quite well
2008-09-08 20:47:33 +00:00
Stanislav Shwartsman
6398ebb1d4
First step of access bits cleanup and optimization - no perf gain yet
2008-08-03 19:53:09 +00:00
Stanislav Shwartsman
cedf6bd88a
Small coding style optimization
2008-07-13 13:32:15 +00:00
Stanislav Shwartsman
6f7d39e832
Speedup port read to memory methods
2008-07-13 13:24:36 +00:00
Stanislav Shwartsman
65275ffc02
Remove repeat speedups from 16-bit address size methods - they not gonna speed up anyway because of segment limit issue
2008-06-25 10:34:21 +00:00
Stanislav Shwartsman
1a355e270e
split io repeat methods by address size
2008-06-12 20:12:25 +00:00
Stanislav Shwartsman
92568f7525
Faster 32-bit emulation wwith 64-bit enabled mode.
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~10% speedup byu optimization of 32-bit mem access
2008-06-12 19:14:40 +00:00
Stanislav Shwartsman
50c9674d2e
Small optimization in memory access functions
2008-05-03 17:33:30 +00:00
Stanislav Shwartsman
67e534832b
Remove from CPU reference to MEM object - it is only one and could be static
2008-04-27 19:49:02 +00:00
Stanislav Shwartsman
892fa99c6f
- prefetch hint should be NOP when use in register mode
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- #GP when trying to set reserved bits of CR4_HI in 64-bit mode
- #GP when trying to set reserved bits of EFER MSR
- clear upper part of RSI/RDI when executing rep instructions with 32-bit asize
even if no repeat iterations were executed (because of RCX=0 for example)
- write SYSENTER_EIP_MSR and SYSENTER_ESP_MSR as 64-bit when x86_64 supported
- set MSR_FMASK reset value
- MSR_FMASK should be 32-bit only
- check for fetch permissions when doing ITLB lookup
- #GP when trying to write non-canonical address to MSR_CSTAR or MSR_LSTAR
- correct repeat instructions timing
- mark TSS busy in TR after it is loaded
2008-04-16 16:44:06 +00:00
Stanislav Shwartsman
fea49bb270
Fixed linear address wrap in legacy (not long64) mode
2008-04-07 18:39:17 +00:00
Stanislav Shwartsman
167c7075fb
Use fastcall gcc attribute for all cpu execution functions - this pure "compiler helper" optimization brings additional 2% speedup to Bochs code
2008-03-22 21:29:41 +00:00
Stanislav Shwartsman
eea5e6eac5
Simplify RepeatSpeedups optimizations - restrict them only to segments which already passed access/limit validation and avoid mass of heavy checks during repeat speedup itself.
2008-03-21 20:35:46 +00:00
Stanislav Shwartsman
063d896226
Optimization in 16-bit resolve functions
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Fixes for hosts which can't support misaligned memory access
2008-02-07 20:43:13 +00:00
Stanislav Shwartsman
a2897933a3
white space cleanup
2008-02-02 21:46:54 +00:00
Stanislav Shwartsman
37fbb82baa
Cleanups. Move bxInstruction_c definition to separate file instr.h
2008-01-29 17:13:10 +00:00
Stanislav Shwartsman
d9984bb3a1
Eliminate BxResolve call from the heart of cpu loop and move into instructions that really require this calculation. Yes, it blows the code of EVERY CPU method but it has >15% speedup !
2008-01-10 19:37:56 +00:00
Stanislav Shwartsman
79fc57dec8
Fixed more VCPP2008 warnings
2007-12-26 23:07:44 +00:00
Stanislav Shwartsman
38fb3d78be
small cleanup in repeat code
2007-12-23 18:09:34 +00:00
Stanislav Shwartsman
085f408078
Fixed possible problem with repeat speedups in 64-bit mode.
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Also was pointed out by MSVCPP2008 warnings
2007-12-23 17:46:44 +00:00
Stanislav Shwartsman
5d4e32b8da
Avoid pointer params for every read_virtual_* except 16-byte SSE and 10-byte x87 reads
2007-12-20 20:58:38 +00:00
Stanislav Shwartsman
b516589e4e
Changes in write_virtual_* and pop_* functions -> avoid moving parameteres by pointer
2007-12-20 18:29:42 +00:00
Stanislav Shwartsman
d032a30429
Fixed a lot of code duplication and possible bug with oncorrect implementation of repeat speedup in 64-bit guest
2007-12-17 21:13:55 +00:00
Stanislav Shwartsman
46366b5064
Speedup simulation by eliminating CPL==3 check from read/write_virtual* functions
2007-12-16 21:03:46 +00:00
Stanislav Shwartsman
a83b8ae843
Slight speed improvement in string functions
2007-10-29 15:39:18 +00:00
Stanislav Shwartsman
fbcdfa49c2
Cleanup
2007-10-10 22:20:32 +00:00