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107 Commits

Author SHA1 Message Date
Stanislav Shwartsman
d3528cccd6 Style fixes - name convention for push to new stack methods 2008-05-10 20:35:03 +00:00
Stanislav Shwartsman
ec1ff39a5f Splitted memory access methods for 32 and 64-bit code. 
The 64-bit code got >10% speedup, the 32-bit code also got about 2% because laddr cacluation optimization
 2008-05-10 18:10:53 +00:00
Stanislav Shwartsman
25ce5f7d48 Small functionality correctness fixes 2008-05-07 16:45:07 +00:00
Stanislav Shwartsman
a6b360c92f Removed duplicated ';' 2008-05-03 17:35:11 +00:00
Stanislav Shwartsman
50c9674d2e Small optimization in memory access functions 2008-05-03 17:33:30 +00:00
Stanislav Shwartsman
8e8fa363f1 Check for seg cache valid bit in real mode as well - fix for big real mode 2008-05-01 05:11:19 +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
bbe7db9e88 Fixed bug with pushing into new stack in exception function 
Fixed bug with Expand down segment limits (can be critical)
 2008-04-25 21:21:46 +00:00
Stanislav Shwartsman
00ee869624 alignment check for write_new_stack 2008-04-25 12:44:16 +00:00
Stanislav Shwartsman
bdaef81603 Added debugger memory trace functionality. Enable by 'trace-mem on' command 2008-04-19 13:21:23 +00:00
Stanislav Shwartsman
8ff1b3c15e Update MEM_ACCESS instrumentation 2008-04-19 10:13:04 +00:00
Stanislav Shwartsman
fea49bb270 Fixed linear address wrap in legacy (not long64) mode 2008-04-07 18:39:17 +00:00
Stanislav Shwartsman
5826e2843a Inline pop/push functions 
Store only single byte of opcode in b1() - speedup shift instructions
Code cleanups
 2008-04-05 17:51:55 +00:00
Stanislav Shwartsman
f3a91710e4 Split access_linear to access_read_linear and access_write_linear 2008-03-29 18:18:08 +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
680a588575 Fixed compilation error when alignment check is disabled 2008-02-12 06:47:03 +00:00
Stanislav Shwartsman
8d7410a852 Canonical check have higher priority than #AC check 2008-02-11 20:52:10 +00:00
Stanislav Shwartsman
a2897933a3 white space cleanup 2008-02-02 21:46:54 +00:00
Stanislav Shwartsman
9ec2c87aaa cleanups and optimizations 2008-01-22 16:20:30 +00:00
Stanislav Shwartsman
31bab8e058 Fixed compilation error with instrumentation enabled 2008-01-16 22:20:21 +00:00
Stanislav Shwartsman
79fc57dec8 Fixed more VCPP2008 warnings 2007-12-26 23:07:44 +00:00
Stanislav Shwartsman
a93b0afdbe Merge page split detection method suggested by Darek Mihocka 2007-12-21 10:33:39 +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
46366b5064 Speedup simulation by eliminating CPL==3 check from read/write_virtual* functions 2007-12-16 21:03:46 +00:00
Stanislav Shwartsman
de5838ce80 cleanups and fixes for Immediate_IbIb of SSE4A 2007-12-16 20:47:10 +00:00
Stanislav Shwartsman
f145f4c847 Unify BX_INSTR_MEM_READ and BX_INSTR_MEM_WRITE callbacks to single callback BX_INSTR_MEM_ACCESS 
Enable the callback with guest-to-host TLB enabled
Update instrumentation docs
 2007-12-13 21:30:05 +00:00
Stanislav Shwartsman
e15f7445f8 Faster memory access for 4G limit cases 
A bit slower for <4G but usually it is 4G
 2007-12-10 19:08:13 +00:00
Stanislav Shwartsman
48650a70b4 Optimized alignment check 2007-11-20 21:22:03 +00:00
Stanislav Shwartsman
1af7010e50 Optimized memory access for 64-bit mode 
Starting convergence to new lazy flags scheme by Darek Mihocka (www.emulators.com). The new flags code is still being validated and perfected but I try to minimize the diff between 2 versionS
 2007-11-20 17:15:33 +00:00
Stanislav Shwartsman
9dc471bbe5 Simplify Guest2HostTLB code 
Fixed APIC CPUID bit
 2007-11-11 20:44:07 +00:00
Stanislav Shwartsman
ce0e0287fb Naturally speedup repeat execution functions, fix TLB index calculations 2007-10-30 22:15:42 +00:00
Stanislav Shwartsman
a4e20e9d29 warnings fixed 2007-10-24 23:02:09 +00:00
Stanislav Shwartsman
679110caa9 fixed push to new stack for long mode 2007-10-19 12:40:19 +00:00
Stanislav Shwartsman
0fc32d3c81 Fixed except_chk issue in more clean way - added 3 new methods for pushing to new, still not loaded stack 2007-10-19 10:14:33 +00:00
Stanislav Shwartsman
f8317d2dcd Unwrap all memory access functions, speed is still more important that code duplication in Bochs :) 2007-10-17 18:09:42 +00:00
Stanislav Shwartsman
c6efc84149 Optimize building of segment ROK/WOK cache 2007-10-10 22:00:51 +00:00
Stanislav Shwartsman
82b7eaabd5 CLFLUSH do not fault when checking execute only segment 2007-10-10 21:48:46 +00:00
Stanislav Shwartsman
895891b673 Implemented #AC check under configure option 
Fixes in misaligned SSE support
 2007-07-31 20:25:52 +00:00
Stanislav Shwartsman
58a2595bca Misaligned SSE support 2007-07-15 19:03:39 +00:00
Stanislav Shwartsman
3886e35bcb Clean code duplication 2007-04-09 21:55:07 +00:00
Stanislav Shwartsman
6c3420a18b Add debug prints before any #GP excepion which only possible to be generated 2006-06-09 22:29:07 +00:00
Stanislav Shwartsman
7b6c2587a9 Now devices could be compiled separatelly from CPU 
Averything that required cpu.h include now has it explicitly and there are a lot of files not dependant by CPU at all which will compile a lot faster now ...
 2006-03-06 22:03:16 +00:00
Stanislav Shwartsman
24077c071b Fixed exception generated when accessing memory w/o right permissions 2006-02-26 21:44:03 +00:00
Stanislav Shwartsman
0150904e9d Improve debug messages and optimize 2006-02-22 20:58:16 +00:00
Stanislav Shwartsman
8247b94245 Another fix for INIT/RESET state 2005-11-19 19:38:45 +00:00
Stanislav Shwartsman
7022be46f5 Fix undefined flags handling for ROR and RCR instructions 2005-10-13 19:28:10 +00:00
Stanislav Shwartsman
823dfa6f40 This code will be required for dynamic translation in future. 
For now it is no more than code duplication fix ...
 2005-08-23 20:01:54 +00:00
Stanislav Shwartsman
f096a80716 Fix code duplication for check_cs descriptor 
The function will execute
 - segment is executable code segment
 - conforming/non-conforming segment priviledge checks
 - segment is present
 2005-08-01 21:40:17 +00:00
Stanislav Shwartsman
0b60100a0d Merged patch for Hkan T. Johansson 
TLB access bit optimizations
 2005-06-14 20:55:57 +00:00