sanchayanmaity/gem5
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305 commits

Author SHA1 Message Date
Gabe Black
d029110fa1 X86: Fix a bug in IRET_PROT's microcode. The immediate form of sra was intended. 2009-07-08 23:01:54 -07:00
Gabe Black
7f50ea05ac X86: Keep track of more descriptor state to accomodate KVM. 2009-05-28 23:27:56 -07:00
Gabe Black
61edc9ba66 X86: Implement a locking version of XADD. 2009-04-19 04:56:49 -07:00
Gabe Black
209cfc89fd X86: Implement a locking version of BTC. 2009-04-19 04:56:45 -07:00
Gabe Black
e475cf85f0 X86: Implement a locking version of BTR. 2009-04-19 04:56:43 -07:00
Gabe Black
43f58927d6 X86: Implement a locking version of CMPXCHG. 2009-04-19 04:56:40 -07:00
Gabe Black
b493906eb9 X86: Implement a locking version of BTS. 2009-04-19 04:56:36 -07:00
Gabe Black
985d959ea6 X86: Implement a locking version of DEC. 2009-04-19 04:56:34 -07:00
Gabe Black
4f2d4f466a X86: Implement a locking version of INC. 2009-04-19 04:56:31 -07:00
Gabe Black
2394f73f90 X86: Implement a locking version of NEG. 2009-04-19 04:56:28 -07:00
Gabe Black
9b9b7a412c X86: Implement a locking version of NOT. 2009-04-19 04:56:25 -07:00
Gabe Black
b8f81c62a2 X86: Implement a locking version of XCHG. 2009-04-19 04:56:22 -07:00
Gabe Black
750f5a0a67 X86: Implement a locking version of XOR. 2009-04-19 04:56:20 -07:00
Gabe Black
cfb289ebeb X86: Implement a locking version of SUB. 2009-04-19 04:56:16 -07:00
Gabe Black
789b3191b9 X86: Implement a locking version of AND. 2009-04-19 04:56:14 -07:00
Gabe Black
e742cad6f4 X86: Implement a locking version of SBB. 2009-04-19 04:56:11 -07:00
Gabe Black
193265c6e5 X86: Implement a locking version of ADC. 2009-04-19 04:56:08 -07:00
Gabe Black
2f607b882c X86: Implement a locking version of OR. 2009-04-19 04:56:06 -07:00
Gabe Black
a7f79c9049 X86: Implement a locking version of ADD. 2009-04-19 04:56:02 -07:00
Gabe Black
93cccf7d19 X86: Make the TEST instruction set all the flags it's supposed to. 2009-04-19 04:14:16 -07:00
Gabe Black
3eed59768c X86: Explicitly use the right width in a few places that need a 64 bit value. 2009-04-19 03:47:59 -07:00
Gabe Black
038225a6ca X86: Implement far jmp. 2009-04-19 03:42:41 -07:00
Gabe Black
f2ff5b9249 X86: Make the interrupt entering microcode record the value to use, not actually use it. 2009-04-19 03:36:57 -07:00
Gabe Black
bdd55ec8b6 X86: Implement the save machine status word instruction (SMSW). 2009-04-19 03:22:38 -07:00
Gabe Black
d86cd1d2a0 X86: Implement the load machine status word instruction (LMSW). 2009-04-19 03:17:14 -07:00
Gabe Black
27e54982b4 X86: Fix the mov to segment selector in real mode instruction microcode. 2009-04-19 03:08:40 -07:00
Gabe Black
d277feb925 X86: Implement the INIT IPI. 2009-04-19 02:53:00 -07:00
Gabe Black
b36f28472d X86: Implement shrd. 2009-02-27 09:26:26 -08:00
Gabe Black
aa51c01d69 X86: Set address size to 64 bits when generating addresses internally. 2009-02-27 09:26:01 -08:00
Gabe Black
1d18eb9043 X86: Make instructions that use intseg preserve all 8 bytes of their addresses. 2009-02-27 09:25:02 -08:00
Gabe Black
281ef8111a X86: Compute shift instruction flags correctly. 2009-02-27 09:23:00 -08:00
Gabe Black
7400769768 X86: Implement IST stack switching. 2009-02-25 10:22:43 -08:00
Gabe Black
7aa875f4f3 X86: Implement the lldt instruction. 2009-02-25 10:21:27 -08:00
Gabe Black
68300cfb8c X86: Make rdcr use merge and the mov to control register instructions use the right operand size. 2009-02-25 10:21:08 -08:00
Gabe Black
9842f1ca9d X86: Implement CLTS. 2009-02-25 10:21:02 -08:00
Gabe Black
b035c917a5 X86: Make the segment register reading microops use merge. 2009-02-25 10:20:47 -08:00
Gabe Black
28efb3c6e3 X86: Implement the mov to debug register intructions. 2009-02-25 10:20:42 -08:00
Gabe Black
c39ed53d05 X86: Rename oszForPseudoDesc maxOsz to reflect its more general use. 2009-02-25 10:20:30 -08:00
Gabe Black
1e70401c08 X86: Fix a few bugs with the segment register instructions in real mode. 
Fix a few instances where the register form of zext was used where zexti was
intended. Also get rid of the 64 bit only rip relative addressed version since
64 bit and real mode are mutually exclusive.
 2009-02-25 10:20:19 -08:00
Gabe Black
8813168b5a X86: Do a merge for the zero extension microop. 2009-02-25 10:20:10 -08:00
Gabe Black
06ff83e1b9 X86: Implement a basic prefetch instruction. 2009-02-25 10:19:22 -08:00
Gabe Black
f35a37ca9e X86: Update CS later so stack accesses have the right permission checks. 2009-02-25 10:18:51 -08:00
Gabe Black
ba69184630 X86: Use atCPL0 for accesses that are part of CPU machinery. 2009-02-25 10:18:29 -08:00
Gabe Black
897c374892 X86: Move where CS is set so CPL checks work out. 2009-02-25 10:18:16 -08:00
Gabe Black
eec3f49a57 X86: Implement the sysret instruction in long mode. 2009-02-25 10:17:54 -08:00
Gabe Black
6325245e3e X86: Implement the longmode versions of the syscall instruction. 2009-02-25 10:17:49 -08:00
Gabe Black
99aa121fca X86: Make exceptions handle stack switching. 2009-02-25 10:17:19 -08:00
Gabe Black
aa7bc1be74 X86: Implement the LTR instruction. 2009-02-25 10:17:14 -08:00
Gabe Black
5a4eed5d34 X86: All x86 fault classes now attempt to do something useful. 2009-02-01 17:09:08 -08:00
Gabe Black
2f8cec849d X86: Make the long mode interrupt/exception microcode handle an error code. 2009-02-01 17:07:43 -08:00
Gabe Black
6b53b8387e X86: Make the chks microop check for the right int descriptor type. 2009-02-01 17:05:37 -08:00
Gabe Black
c0cd58812e X86: Touch up the interrupt entering microcode. 2009-02-01 17:04:21 -08:00
Gabe Black
ca6e0d75c8 X86: Fix the microcode for the LODS instruction. 2009-02-01 00:28:28 -08:00
Gabe Black
52defeb4e7 X86: Implement the xadd instruction. 2009-01-25 20:33:27 -08:00
Gabe Black
3c5988b86c X86: Implement the bswap instruction. 2009-01-25 20:32:43 -08:00
Gabe Black
0449fb2b7a X86: Fix a bug in the iret microcode. 2009-01-25 20:31:17 -08:00
Gabe Black
e3004c579f X86: Fix the segment setting code in IRET, and make it restore the flags. 2008-10-12 23:05:22 -07:00
Gabe Black
564eda827b X86: Implement the swapgs instruction. 2008-10-12 23:00:07 -07:00
Gabe Black
4c19c56a77 X86: Implement entering an interrupt in microcode. 2008-10-12 22:42:03 -07:00
Gabe Black
77c0e1d110 X86: Create a SeqOp class of microops and make Br one of them. 2008-10-12 15:33:17 -07:00
Gabe Black
a76c4b8ca1 X86: Implement CPUID with a magical function instead of microcode. 2008-10-12 15:31:28 -07:00
Gabe Black
569db520ad X86: Make far ret modify CS instead of some random selector. 2008-10-09 00:04:36 -07:00
Ali Saidi
3a3e356f4e style: Remove non-leading tabs everywhere they shouldn't be. Developers should configure their editors to not insert tabs 2008-09-10 14:26:15 -04:00
Gabe Black
30bc897613 X86: Fix the microcode for sign/zero extending moves that use high byte registers. 2008-09-03 00:52:54 -04:00
Gabe Black
5b5875341c X86: Make the cpuid processor identifier return a real string. 2008-06-12 01:00:19 -04:00
Gabe Black
31d40ad7c2 X86: Implement and hook up STI and CLI instructions. 2008-06-12 00:58:19 -04:00
Gabe Black
8d2416c6e9 X86: Implement a partial, sort of correct version of the protected mode variant of iret. 2008-06-12 00:53:01 -04:00
Gabe Black
66f54a6037 X86: Change how segment loading is performed. 2008-06-12 00:52:12 -04:00
Gabe Black
129831c116 X86: Make pushes and pops use the stack size instead of the data size. 2008-06-12 00:51:57 -04:00
Gabe Black
e0c20386ac X86: Add microops and supporting code to manipulate the whole rflags register. 2008-06-12 00:49:50 -04:00
Gabe Black
6106b05b6e X86: Redo BSF. 2008-06-12 00:48:58 -04:00
Gabe Black
de6eeaaa27 X86: Make string instructions work when rcx=0. 2008-06-12 00:48:15 -04:00
Gabe Black
a8e3001df8 X86: Bypass unaligned access support for register addressed MSRs. 2008-06-12 00:47:25 -04:00
Gabe Black
8e2991b529 X86: Fix the implementation of BSF. 2008-06-12 00:46:04 -04:00
Gabe Black
16e189fad2 X86: Bit scan forward/reverse were accidentally transposed. 2008-06-12 00:45:52 -04:00
Gabe Black
254cc07650 X86: Fix a byte register indexing issue in the sign extending move from memory microcode. 2008-06-12 00:45:22 -04:00
Gabe Black
8501a90f59 X86: Add in some support for the tsc register. 2008-06-12 00:39:10 -04:00
Gabe Black
98d2ca403e X86: Implement the INVLPG instruction and the TIA microop. 
--HG--
extra : convert_revision : 31db1ee082f6c3ca5443cba1eb335e408661ead2
 2008-02-26 23:39:22 -05:00
Gabe Black
423bbe6499 X86: Optomize the bit scanning instruction microassembly a little. More can be done. 
--HG--
extra : convert_revision : 3cf6e972f0e41e3529a633ecbb31289e1bd17f0f
 2008-01-23 08:18:27 -05:00
Gabe Black
60c2d98fc0 X86: Implement and attach the BSR and BSF instructions. 
--HG--
extra : convert_revision : be7e11980092e5d1baff0e05d4ec910305966908
 2008-01-22 00:10:33 -05:00
Gabe Black
f809637011 X86: Fill out group17 in the decoder. 
--HG--
extra : convert_revision : 66ab9c0fc3086f66e3d6d82d47964ecf406c3a8a
 2008-01-21 16:27:40 -05:00
Gabe Black
c08b7802a9 X86: Redo the bit test instructions. 
--HG--
extra : convert_revision : 433c2a9f3675ed02f3be5ce759a440f2686d2ccd
 2008-01-12 06:41:32 -05:00
Gabe Black
b705eba6e5 X86: Fix the wrmsr instruction. 
--HG--
extra : convert_revision : 12bc7e71226ebafb8eedadf6a3db82929e15e722
 2008-01-12 06:40:55 -05:00
Gabe Black
0e394fdfa4 X86: Fix the general IO instructions dataSize. 
--HG--
extra : convert_revision : 9774a52cb6a8e7632d1b1dc0706e5791cc18d238
 2008-01-12 06:37:35 -05:00
Gabe Black
27cc351688 X86: Please excuse my dear Aunt Sally. (precedence bug) 
--HG--
extra : convert_revision : 9ad4f31e7a962c3177896bcbfb93e2e54720d117
 2007-12-03 14:32:56 -08:00
Gabe Black
73caca57a8 X86: Make sure the memory index is calculated using the address size for bit test instructions. 
--HG--
extra : convert_revision : 9634675857dae53b5e79e49267c864a0265afde1
 2007-12-02 01:46:38 -08:00
Gabe Black
b5d4018382 X86: Fix a copy/paste mistake where the bit test instructions were using an immediate where they should use a register. 
--HG--
extra : convert_revision : b0ee80e4c7fdb58a1eb85b3bcc82a0cdaa93330a
 2007-12-02 01:46:29 -08:00
Gabe Black
5de71e39d8 X86: Make the 0xA0-0xA3 versions of mov use the right sized immediates. 
--HG--
extra : convert_revision : a702403de29772618abb5bd5c5555279d91bdd59
 2007-12-02 00:02:51 -08:00
Gabe Black
67fee01026 X86: Fix a copy paste error in the bts microcode. 
--HG--
extra : convert_revision : c4ac007d35ac13211f9816f1104c84f2b447ddba
 2007-12-01 23:06:52 -08:00
Gabe Black
988c6f227a X86: Implement mov from control register. 
--HG--
extra : convert_revision : c8280f0686a3ae6d5c405327540ad15a3a5531f9
 2007-12-01 23:06:03 -08:00
Gabe Black
fe833dd2c3 X86: First crack at far returns. This is grossly approximate. 
--HG--
extra : convert_revision : 23da0338af1f7663ae5ddf2289fb45dd32f37c42
 2007-12-01 23:05:01 -08:00
Gabe Black
dc6f960171 X86: Reorganize segmentation and implement segment selector movs. 
--HG--
extra : convert_revision : 553c3ffeda1f5312cf02493f602e7d4ba2fe66e8
 2007-12-01 23:03:39 -08:00
Gabe Black
557bc80647 X86: Implement the LIDT instruction. 
--HG--
extra : convert_revision : 380515e985318311632e00b13000585afb052e3b
 2007-12-01 23:01:31 -08:00
Gabe Black
62c79ca637 X86: Implement the lgdt instruction. 
--HG--
extra : convert_revision : d1698a82df3c57cc9bbf8d5d190f271bfc7cb2e4
 2007-12-01 23:01:17 -08:00
Gabe Black
917ae9ec66 X86: Fix a stupid typo where WRMSR and RDMSR were switched, and add a debug statement. 
--HG--
extra : convert_revision : f1eb17291f4c01f3c0fa8f99650bc1edf09d21de
 2007-11-12 14:39:14 -08:00
Gabe Black
f1f5dd79bf X86: Implement the wrcr microop which writes a control register, and some control register work. 
--HG--
extra : convert_revision : 3e9daef9cdd0665c033420e5b4f981649e9908ab
 2007-11-12 14:38:59 -08:00
Gabe Black
4d4d2883f9 X86: Implement some bit testing instructions. 
--HG--
extra : convert_revision : 54585e276e44322be9c56af0b2eabfe8d4b3e430
 2007-11-12 14:38:53 -08:00
Gabe Black
f9ddb894dd X86: Change the meaning of the sext and zext width operand, and make sext set zext if the sign bit is 0. 
--HG--
extra : convert_revision : 08bd7b4ff183038c016612d04ac73b20a255d141
 2007-11-12 14:38:45 -08:00
Gabe Black
7d396b1bf6 X86: Use the cda microop where appropriate. The ENTER instruction still needs these. 
--HG--
extra : convert_revision : c5a1a6d66c454f252d3b798c38a6798e7dd486f0
 2007-10-22 14:39:40 -07:00
Gabe Black
43cb78004b X86: Start using the stupd microop, and update statistics accordingly. 
--HG--
extra : convert_revision : 4aa9daa4e19acfb3e6840ce5d83cf199e30c2f19
 2007-10-21 18:45:46 -07:00
Gabe Black
4d15e4cf7b X86: Implement the stupd microop ("store with update", not "stupid") and use it in ENTER. 
--HG--
extra : convert_revision : 9151f701162d31ef26298497467c42b7b0ed85d5
 2007-10-21 18:44:50 -07:00
Gabe Black
d8494325f0 X86: Implement the PUSHF, POPF, SAHF, and LAHF instructions. 
--HG--
extra : convert_revision : 37c63b1133022fa3432888592f8c84785fb95091
 2007-10-19 15:21:16 -07:00
Gabe Black
35a8bc56cd X86: Impelement the HLT instruction and fix the "halt" microop. 
--HG--
extra : convert_revision : 932e5bb5bf3644f8468dba92177fb87cc54b891a
 2007-10-19 15:11:15 -07:00
Gabe Black
7f37322532 X86: Implement the ENTER instruction. This could probably be optimized by cleaning up the indexing in the main loop. 
--HG--
extra : convert_revision : ad2d560f2a6f36176b22b8510c58cd6fe5a2c9c2
 2007-10-19 15:09:37 -07:00
Gabe Black
5c32422162 X86: Implement the string IO instructions, ins and outs. 
--HG--
extra : convert_revision : b021e70390d289b22a8e693cd8a99d6e7bd7d2b4
 2007-10-18 22:42:53 -07:00
Gabe Black
f0dce3bfce X86: Implement the undocumented SALC instruction which sets AL to 0xFF if CF=1 and 0x00 otherwise. 
--HG--
extra : convert_revision : 845d43c544e296d7595f54054906055a9f21ad9f
 2007-10-18 22:42:17 -07:00
Gabe Black
46bd1c99a9 X86: Implement the XLAT instruction. 
--HG--
extra : convert_revision : 22d7d9e79e722293b4dc1e66d8610301dc04c5fa
 2007-10-18 22:41:18 -07:00
Gabe Black
c526b00b35 X86: Implement the BOUND instruction. 
--HG--
extra : convert_revision : 7bcfa5b4a47d342bee267cc593a1bd4b4f31abe0
 2007-10-18 22:40:48 -07:00
Gabe Black
dc2e887f23 X86: Implement the in/out instructions. These will still need support from the TLB and memory system. 
--HG--
extra : convert_revision : a9503248ea9efca7e5247e4f2830967f428b8215
 2007-10-18 22:39:00 -07:00
Gabe Black
2bbc058c6c X86: Implement the LOOP instructions. 
--HG--
extra : convert_revision : 3ccd0565c83b6d9c9b63f9f7ac2b67839a2c714f
 2007-10-18 22:38:17 -07:00
Gabe Black
674b6436b0 X86: Implemented the jrcx instruction. 
--HG--
extra : convert_revision : d738015ff33449e55d8f1624c8467c1bba193e16
 2007-10-18 22:37:08 -07:00
Gabe Black
0d6383b69e X86: Added some new versions of MOV and a new argument type tag. 
--HG--
extra : convert_revision : e21b2062d68baa983c7c631b3e1fe3149de56427
 2007-10-12 20:08:12 -07:00
Gabe Black
d82d3bbda5 X86: Implemented LODS. 
--HG--
extra : convert_revision : 4bd8f15bbc25f5dce16ea0504ad6dd21805fa56a
 2007-10-12 20:07:28 -07:00
Gabe Black
9498e536c0 X86: Implement MSR reads and writes and the wrsmr and rdmsr instructions. 
There are no priviledge checks, so these instructions will all work in all
modes.

--HG--
extra : convert_revision : ff893eb569313d8aecbfffb47bcbd1c2d65cd393
 2007-10-12 16:37:55 -07:00
Gabe Black
c2d60abf52 X86: Distinguish between the rep and repe prefixes. 
STOS and MOVS only accept the rep prefix which always loops until rcx becomes
0. The other string instructions accept repe (same encoding as rep) and repne
which also check the condition code flags each iteration.

--HG--
extra : convert_revision : 544149f640302070810fb53e53bfeb0e87160ffc
 2007-10-02 23:02:18 -07:00
Gabe Black
f4a932a6b3 X86: Fix places where movfp was used incorrectly. 
--HG--
extra : convert_revision : a6b5688eaa53d2f6675df1be193726641e558d37
 2007-10-02 22:58:48 -07:00
Gabe Black
3e644b48bb X86: Fix x87 floating point stack register indexing. 
--HG--
extra : convert_revision : b515ec20cbfc50b38aa7da6cf4d465acf9054c08
 2007-10-02 22:57:33 -07:00
Gabe Black
4049c9f76a X86: Put ldst into the microcode (the earlier changeset didn't really). 
Also clean things up as much as possible so that faulting won't break an
instruction. More microops which verify addresses are needed.

--HG--
extra : convert_revision : 7c6050cb4798d287fe7d3cc4bb8c20dfa40ad2be
 2007-10-02 22:19:53 -07:00
Gabe Black
683d6d46f6 X86: Fix up the microcode for the FST and FSTP instructions. 
--HG--
extra : convert_revision : ad68633e9b7eab425593acb20cf242bf98c2b642
 2007-10-02 22:06:59 -07:00
Gabe Black
65c247f21f X86: Add classes for the actual x86 faults. 
--HG--
extra : convert_revision : bc060a01b5415551b335ca68ccbf126333ae20b0
 2007-10-02 22:04:20 -07:00
Gabe Black
66a08f7ba4 X86: Implement MOVS 
--HG--
extra : convert_revision : 29147e1b86f7c54ce9b5ff68001725802c665fc0
 2007-10-02 22:02:58 -07:00
Gabe Black
fea7165b55 X86: Implement STOS. 
--HG--
extra : convert_revision : 95f3bf185f07fe644d6ab96bbb6e598e406b92f4
 2007-10-02 22:02:30 -07:00
Gabe Black
3cd95a2748 X86: Implement the fld, fst, and fstp instructions. 
--HG--
extra : convert_revision : 7dd274bdc3c34839c17d9012a745d7c95dfcfdd8
 2007-09-19 18:28:34 -07:00
Gabe Black
a54ae9f92b X86: Put in stubs for x87, 64 bit and 128 bit SIMD instruction microcode. 
--HG--
rename : src/arch/x86/isa/insts/sse/__init__.py => src/arch/x86/isa/insts/simd128/__init__.py
extra : convert_revision : efb4405aebaa4a04f33572e7d078ceca45872d9c
 2007-09-19 18:25:17 -07:00
Gabe Black
bbc8a40857 X86: Fix how ECF is computed in genFlags, and get rid of some duplicate code. 
--HG--
extra : convert_revision : f86330a5a9fea782ee63aaa18ca964fb6f9cef0b
 2007-09-13 16:35:41 -07:00
Gabe Black
f7b6230d99 X86: Total overhaul of the division instructions and microops. 
--HG--
extra : convert_revision : 303ea45f69f7805361ad877fe6bb43fbc3dfd7a6
 2007-09-13 16:34:46 -07:00
Gabe Black
e4c0171356 X86: Rework the multiplication microops so that they work like they would in the patent. 
--HG--
extra : convert_revision : 6fcf5dee440288d8bf92f6c5c2f97ef019975536
 2007-09-06 16:27:28 -07:00
Gabe Black
7f079149f1 X86: Make signed multiplication do something different from unsigned. 
--HG--
extra : convert_revision : 333c4a3464d708d4d8cea88931259ab96c2f75ed
 2007-09-06 16:25:29 -07:00
Gabe Black
389abade01 X86: Add a square root microop and the SSE sqrt instruction. 
--HG--
extra : convert_revision : ddc6e7e95111189d43f75bf84cd3d82433d982b3
 2007-09-06 16:18:34 -07:00
Gabe Black
4478487c37 X86: Add SSE comparison instructions and microops and move some FP microops to be with the other ones. 
--HG--
extra : convert_revision : ee0b5acde08d12c51a5282efb58d1ac72e0779af
 2007-09-06 16:09:28 -07:00
Gabe Black
fea46ee6e3 X86: Implement an SSE xor microop and instruction. 
--HG--
extra : convert_revision : 949737d0f5d6fe4aa77cc4680d0c88caab3e8174
 2007-09-04 23:44:37 -07:00
Gabe Black
760240176a X86: Hook in the fp arithmetic instructions. Stale python made it work before. 
--HG--
extra : convert_revision : af27f26ae810ebaae13faa572c5b4eb074620d91
 2007-09-04 23:38:34 -07:00
Gabe Black
d2fc4ee625 X86: Implement some SSE fp microops and instructions. 
--HG--
extra : convert_revision : 7e0595ef542fbfb701bfac7e9ac4648349a92b26
 2007-09-04 23:33:50 -07:00
Gabe Black
8e3b199cb8 X86: Add some SSE floating point/integer conversion microops. 
--HG--
extra : convert_revision : 2a1aa16709db940f5f40bbd84ca082f26b03b9c5
 2007-09-04 23:32:18 -07:00
Gabe Black
310912cf2c X86: Fix a typo in the microassembly for the cqo instruction. 
--HG--
extra : convert_revision : ddf739e591e4414ade37b806a88f3c11292627e2
 2007-09-04 23:23:51 -07:00
Gabe Black
aaee21afdb X86: Implement idiv and propogate the mul corner case fix. 
--HG--
extra : convert_revision : 348aa081067728afa14dc5b609fc7e26dbc5fad5
 2007-09-04 23:23:13 -07:00
Gabe Black
b0b4038ee9 X86: Fix a corner case where mul would overwrite an original register value it still needed. 
--HG--
extra : convert_revision : 86ee0e2bf716d52c34ee731727d6366935f103ed
 2007-09-04 23:22:08 -07:00
Gabe Black
c1a776de8a X86: Implement the movaps instruction. 
--HG--
extra : convert_revision : 2aeb1c05205f8ea8f7484e8bacf3fbbc581defd2
 2007-08-29 20:38:22 -07:00
Gabe Black
3da3190f07 X86: Implement the movsd instruction. 
--HG--
extra : convert_revision : a5a73e0ddd39144d2aeeb9cc6a299516752fd4c2
 2007-08-29 20:37:44 -07:00
Gabe Black
f0b20ff970 X86: Implement the movlpd instruction. 
--HG--
extra : convert_revision : dddb20fe48c0ae9de7cd0ba1a1467ecb690056c1
 2007-08-29 20:37:16 -07:00
Gabe Black
ac5ec1542e X86: Return values for some cpuid functions that match what my development machine returns. 
--HG--
extra : convert_revision : e6619da11f43bbe025ceabd06387dd24e1cd883b
 2007-08-26 20:40:42 -07:00
Gabe Black
8b738f7f12 X86: Make the microassembler accept lines which are just labels. 
The labels on these lines will be associated with whatever the next microop
is.

--HG--
extra : convert_revision : 80c260e48ec1c16e6325061608e37c95a0610cfa
 2007-08-26 20:39:55 -07:00
Gabe Black
03880cf828 X86: Make cpuid actually consider the eax parameter and return different values. 
--HG--
extra : convert_revision : 527c1cacdd20ab162859bba7f9a6bed33afa2d4f
 2007-08-26 20:38:42 -07:00
Gabe Black
506bf83595 X86: Implement cmps (string compare) 
--HG--
extra : convert_revision : 0d6b783b2246b8ad8d91e4c63e407307ee11c651
 2007-08-26 20:36:46 -07:00
Gabe Black
00d9036c62 X86: Make shift instructions set some of the flags they're supposed to. 
The flag mechanism for microops needs to be fleshd out a little more to allow
for custom flag calculation methods for certain microops. Shift is an example
where the rules for calculating OF and CF are unique.

--HG--
extra : convert_revision : 91981a00c1efd05db702fffa9cea51f912583013
 2007-08-26 20:35:48 -07:00
Gabe Black
24541780c6 X86: Implemented and hooked in SCAS (scan string) 
Fixed the asz assembler symbol.
Adjusted the condion checks to have appropriate options.
Implemented the SCAS microcode.
Attached SCAS into the decoder.

--HG--
extra : convert_revision : 17bf9ddae6bc2069e43b076f8f83c4e54fb7966c
 2007-08-07 15:25:41 -07:00
Gabe Black
30e777a5d3 X86: Implement microops and instructions that manipulate the flags register. 
--HG--
extra : convert_revision : 566841577bf4a98cac0b65292fe0f7daf89a9203
 2007-08-04 20:24:18 -07:00
Gabe Black
6f3bb03a3f X86: Implement the cmpxchg instruction. 
--HG--
extra : convert_revision : b9e172bcb9551edf65c63f26dfa07d771edf3e1e
 2007-08-04 20:15:27 -07:00
Gabe Black
e410a925df X86: Start implementing segmentation support. 
Make instructions observe segment prefixes, default segment rules, segment
base addresses.
Also fix some microcode and add sib and riprel "keywords" to the x86
specialization of the microassembler.

--HG--
extra : convert_revision : be5a3b33d33f243ed6e1ad63faea8495e46d0ac9
 2007-08-04 20:12:54 -07:00
Gabe Black
0e6be2a9b1 X86: Add the arch_prctl system call and fix up some microcoding. 
The arch_prctl system call is used to set and get the FS and GS segment
bases. The FS segment is use for TLS, so glibc needs to be able to set it
up.

--HG--
extra : convert_revision : 79501491a15967a7a862add846ff88a934fb1b37
 2007-08-04 20:02:41 -07:00