Stanislav Shwartsman
f90e5f4f44
Add initial implementation of the CET (Control Flow Enforcement Technology) emulation according to SDM071
...
Only missing items (to be added soon):
- Supervisor Shadow Stack EPT Control is not implemented yet
- SMM placing for SSP
Currently have to be added manually to some CPUID model, for example to ICL-U
To enable configure with --enable-cet
2019-12-20 07:42:07 +00:00
Stanislav Shwartsman
019c934cfd
decode GFNI opcodes in 64-bit mode too
2019-12-18 19:55:04 +00:00
Stanislav Shwartsman
44b3ebeca2
remove BX_TRUE/BX_FALSE macros, use stdc++ true/false instead
2019-12-09 16:44:36 +00:00
Stanislav Shwartsman
f0245b5f2b
introduce special handlers for zero-idiom instructions - ~1% speedup to simulation. infra for fast string emulation in 64-bit mode
2019-10-14 06:40:19 +00:00
Stanislav Shwartsman
3da93728b3
split some opcode reference tables in new decoder between x86-64 and 32 for better perf
2019-02-17 21:22:54 +00:00
Stanislav Shwartsman
4f625b23e0
enable yet another Bochs new decoder. It is a bit slower than old one but it is much more extendable so adding new opcode won't be nightmare anymore
2019-02-16 15:23:24 +00:00
Stanislav Shwartsman
d000e21001
added MOVDIRI opcode implementation
2018-04-06 05:06:36 +00:00
Stanislav Shwartsman
3c08cfedf2
fixed buffer overflow when printing instruction disasm for opcode bytes which cannot be decoded
2017-12-31 21:22:04 +00:00
Stanislav Shwartsman
f362f34ed6
correctly decode PINSRQ instruction
2017-12-13 20:59:41 +00:00
Stanislav Shwartsman
8a311515dd
correctly decode VPEXTRB/W/D/Q - these opcodes allowed to be with VEX.L=0 only
...
fixed disasm module compilation with no AVX enabled
remove duplicate opcode handlers
2017-12-13 19:51:25 +00:00
Stanislav Shwartsman
b03f78d652
updates for bochs decoder and decoder based disasm
2017-12-11 15:45:43 +00:00
Stanislav Shwartsman
31ea453921
fixed bogus assert
2017-12-02 16:40:03 +00:00
Stanislav Shwartsman
60591800f1
handle lock mov cr0 amd feature out decoder critical path
2017-12-01 21:18:16 +00:00
Stanislav Shwartsman
596b3b6eb8
reduce CPU dependencies from fetchdecode module
2017-11-25 20:20:34 +00:00
Stanislav Shwartsman
bb43ac527b
fixed decoder issue when decoding opcode 8f (aka xop prefix) as well
2017-05-27 10:32:44 +00:00
Stanislav Shwartsman
54c109ceb4
VEX and EVEX opcodes should be considered as 2-byte opcode, always attempt to fetch 2nd byte even if #UD is already detected
2017-05-26 11:46:02 +00:00
Stanislav Shwartsman
862e817884
fixed typo caused compilation err
2017-03-28 19:13:20 +00:00
Stanislav Shwartsman
b7b0165d3c
new naming convention for UD opcodes
2017-03-28 19:00:00 +00:00
Stanislav Shwartsman
af1d83f35d
update (c)
2017-01-11 20:54:09 +00:00
Stanislav Shwartsman
521d2d10c4
correctly fixed x32 emu compilation err + bugfix for AVX decoder
2017-01-11 20:51:58 +00:00
Stanislav Shwartsman
72e5213ff4
compilation fix and code simplifcation
2017-01-11 19:12:06 +00:00
Stanislav Shwartsman
10eb193e01
step 1 of rewrite Bochs decoder: legacy decoder tables done. TODO: avx/evex decoder tables, merge decoder and disasm together
2017-01-10 20:15:17 +00:00
Stanislav Shwartsman
e613e9ff86
fixed compilation err when no AVX is enabled
2016-12-12 06:18:57 +00:00
Stanislav Shwartsman
46b4a76cd3
fetchdecode rework step 0.1, no impact on correctness, small speedup
2016-12-09 12:34:37 +00:00
Stanislav Shwartsman
d9e818cd5d
refactoring in the Bochs decoder code
2016-09-25 18:19:59 +00:00
Stanislav Shwartsman
8f20cecbae
fixed code style in fetchdecode.cc, avoid code duplication
2016-09-08 17:29:09 +00:00
Stanislav Shwartsman
b7091b09f6
cleanup in fetchdecode functions
2016-09-08 15:09:29 +00:00
Stanislav Shwartsman
88637aa9ef
fixed potential uninitialized variable access when decoding AVX/XOP/EVEX
2016-07-06 09:09:49 +00:00
Stanislav Shwartsman
6761495f7e
second step if Bochs decoder refactoring: extracted assign_srcs code to separate methods
2016-07-05 20:42:25 +00:00
Stanislav Shwartsman
2a98e7bc63
fixed decoder bug introduced in svn rev12927
2016-07-05 18:04:23 +00:00
Stanislav Shwartsman
033303399d
properly set segment register for 64-bit decode
2016-07-03 20:07:16 +00:00
Stanislav Shwartsman
98da36a63f
extract decoding of modrm into dedicated function in decoder
2016-07-03 19:51:33 +00:00
Stanislav Shwartsman
7a34f00f99
extracted fetchdecode into separated folder under cpu and also out of BX_CPU_C class into stand-alone module. Next step: wrap it up nicely and define clear interace to CPU model to minimize dependencies. Ideally I need fetchdecode to not include CPU at all
2016-06-12 21:23:48 +00:00
