mirrors/Bochs
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity
9,949 Commits 11 Branches 185 Tags 48 MiB
d38fce8218
Commit Graph

2758 Commits

Author SHA1 Message Date
Stanislav Shwartsman
d38fce8218 preparation for future extension in translate_linear - I would like to return data to caller through tlbEntry 2013-01-27 19:27:30 +00:00
Stanislav Shwartsman
016e112ac2 fixed compilation err with vmx=1 2013-01-23 19:04:53 +00:00
Stanislav Shwartsman
a0c9522fef fix compilation with no vmx enabled 2013-01-22 19:06:20 +00:00
Stanislav Shwartsman
8865df606a fixed typo bug in VMX code 2013-01-22 08:39:41 +00:00
Stanislav Shwartsman
608775cd5a vmread/vmwrite should always check for CPL, also when in vmx guest 2013-01-21 20:20:14 +00:00
Stanislav Shwartsman
3ab0331307 implemented VMCS shadowing (Intel SDM rev045) 2013-01-21 19:55:00 +00:00
Stanislav Shwartsman
9e896ce0bf SFENCE instruction doesn't require SSE2 2013-01-20 17:56:08 +00:00
Stanislav Shwartsman
4bed791ccb Added year 2013 to Copyright in all files already modified in new year 2013-01-19 20:45:03 +00:00
Stanislav Shwartsman
05d36f0acc fixed performance bug in smap/smep fix - tlb never had user executable page permission 2013-01-19 20:14:44 +00:00
Stanislav Shwartsman
eda28b95f4 unfortunately this change is rquired to make SMAP and SMEP features to work. 
I observed ~5% emulation slowdown ... thinking about possible mitigations

this fixes TLB issue with SMAP and SMEP features.
these features introduce a new behavior when page can be inaccessible by System (CPL=0).
Current behavior is accessBits was not supporting it but legacy (from Bochs 2.3.6) was.
The wrong behavior can be observed if user access a user page and system access the same page later.
user access is fine and pass SMEP/SMA checks and stores the translation in TLB.
the system access will hit the TLB and nobody could detect that system cannot access that page.
 2013-01-16 17:28:20 +00:00
Stanislav Shwartsman
c337b7babb Intel Software Developers Manual rev45 was released 
Added CPUID bits and preparations for newly documented VMX features
 2013-01-16 16:57:48 +00:00
Stanislav Shwartsman
c96f5e27a9 flush tlb also when cr4.smap changes 2013-01-14 17:02:51 +00:00
Stanislav Shwartsman
d93607cfe6 implemented pause threshold count in SVN + bugfix in SMAP 2013-01-08 21:03:22 +00:00
Stanislav Shwartsman
93d6c2e1fc added AMD Bulldozer architecture CPU (Zambezi) to CPUDB 2013-01-07 19:33:04 +00:00
Stanislav Shwartsman
c6b1f6c22b fixed IsValidPageAlignedPhyAddr check for VMX/SVM 2012-12-30 19:49:20 +00:00
Stanislav Shwartsman
685e0091b4 fixed decoding of RDRAND/RDSEED with 0x66 prefix 2012-12-27 19:31:21 +00:00
Stanislav Shwartsman
48d7fa3786 fixed code duplication, mainly in vmx/svm code 2012-12-26 21:59:16 +00:00
Stanislav Shwartsman
6e5a934eea XSAVE: Fixed XCR0 reserved combination checking in XSETBV instruction 2012-12-23 16:54:18 +00:00
Stanislav Shwartsman
ce2751a13c move misaligned_sse from compile time to .bochsrc option 2012-12-20 19:43:11 +00:00
Stanislav Shwartsman
db4d75317a fixed small avx issues 2012-12-11 21:01:05 +00:00
Stanislav Shwartsman
318ad5e26d optimize avx stores 2012-12-10 14:43:21 +00:00
Stanislav Shwartsman
182ad65ea3 changes in avx emulation code 2012-12-09 16:42:48 +00:00
Stanislav Shwartsman
574b69c81e fixed MSDEV warnings 2012-11-27 15:40:45 +00:00
Stanislav Shwartsman
64f9c12bbc name new CPUID bits from AMD 2012-11-10 11:00:09 +00:00
Stanislav Shwartsman
edf4ea4c74 fixed SF bug #1318 dbg: several issues with 'set' command 2012-11-06 20:01:02 +00:00
Stanislav Shwartsman
7bace61c12 fixed compilation issue 2012-11-05 06:41:10 +00:00
Stanislav Shwartsman
8a01ee1661 implemented SVM decode assists. some is still missing - coming soon 2012-11-02 07:46:50 +00:00
Stanislav Shwartsman
8d32f2e305 fixed another compilaton err in vapic 2012-10-28 18:32:58 +00:00
Stanislav Shwartsman
7e663e785e fix compilation err 2012-10-28 16:34:25 +00:00
Stanislav Shwartsman
744001e35e Implemented VMX APIC Registers Virtualization and VMX Virtual Interrupt Delivery emulation 
Bugfix: VMX: VmEntry should do TPR Virtualization (TPR Shadow + APIC Access Virtualization case is affected) and even could possibly cause TPR Threshold VMEXIT
 2012-10-26 18:43:53 +00:00
Stanislav Shwartsman
9b65cae026 make WRMSR end-of-trace instruction 2012-10-25 16:49:22 +00:00
Stanislav Shwartsman
4273b41d00 fixed write to apicbase when in x2apic mode 2012-10-25 16:09:34 +00:00
Stanislav Shwartsman
7e1b67f91e fixed bugs in vmx code 2012-10-25 16:08:28 +00:00
Stanislav Shwartsman
e4d659c54d fix compilation err 2012-10-25 16:07:11 +00:00
Stanislav Shwartsman
45d5d690d7 initialize random generator for RDRAND/RDSEED 2012-10-09 20:53:50 +00:00
Stanislav Shwartsman
2638c1136a Add RDRAND/RDSEED instructions support (+ disasm) 
Of course no true random numbers will be generated - use standard "C" rand() function as stub.
In future it will be possible to improve (using another random generator) or even use real rdrand/rdseed intrinsics
 2012-10-09 15:16:48 +00:00
Stanislav Shwartsman
e7a2c9892c re-implement VTPF write using event handling interface as trap event (in preparation to more apic virtualization features) 2012-10-07 09:16:13 +00:00
Stanislav Shwartsman
b0edc32f4c fixed compilation with VMX 2012-10-06 09:13:41 +00:00
Stanislav Shwartsman
c48e516386 implemented injection of MTF event. The MTF VMexec control is still not implemented yet 2012-10-05 20:48:22 +00:00
Stanislav Shwartsman
3cd11b02ee optimization and bugfix for prev commit 2012-10-04 21:30:50 +00:00
Stanislav Shwartsman
1b228aec32 Fixed double and triple fault detection in exception.cc. Remove errorno variable from CPU (redundant now) 2012-10-04 20:52:27 +00:00
Stanislav Shwartsman
f69bc016d2 vmx: nmi blocking after NMI event injection. better dbg print for VMEXIT 2012-10-04 16:15:58 +00:00
Stanislav Shwartsman
be1642e02e fixed compile with debugger enabled 2012-10-03 20:32:02 +00:00
Stanislav Shwartsman
2ca0c6c677 Move INTR, Local APIC INTR and SVN VINTR into new event interface (hardest part) 
Minor speedup (of 1-2%) was observed due to new implementation
Remove obsolete dbg_take_irq function and dbg_force_interrupt function from CPU code, the functions were not working properly anyway
 2012-10-03 20:24:29 +00:00
Stanislav Shwartsman
49bb3ba8f5 some cleanups and optimizations with new event interface 2012-10-03 15:49:45 +00:00
Stanislav Shwartsman
ae06a0825b svm virq - move to new event interface 2012-10-02 20:49:16 +00:00
Stanislav Shwartsman
9132c29280 optimization and code duplication cleanup in event handling code 2012-10-02 20:07:26 +00:00
Stanislav Shwartsman
dbb23aed43 close another SMC hole 2012-10-01 18:19:09 +00:00
Stanislav Shwartsman
3a6f649b18 fixed comment 2012-10-01 12:08:23 +00:00
Stanislav Shwartsman
e397a86ce0 fixed code duplication related to EXT field 2012-09-29 09:31:34 +00:00