Gabe Black
e6b5192c26
X86: Rename sel to ext for media microops.
2009-08-17 18:27:44 -07:00
Gabe Black
458521f055
X86: Implement a multimedia andn microop.
2009-08-17 18:24:58 -07:00
Gabe Black
ab49a34a4e
X86: Implement a multimedia and microop.
2009-08-17 18:24:16 -07:00
Gabe Black
25c6b016a6
X86: Implement a media or microop.
2009-08-17 18:23:30 -07:00
Gabe Black
982b3ad1f0
X86: Implement a media xor microop.
2009-08-17 18:22:33 -07:00
Gabe Black
f1bfa9d6e4
X86: Implement the lfpimm microop.
2009-08-17 18:17:26 -07:00
Gabe Black
ecc62e750e
X86: Implement an unpack microop.
2009-08-17 18:15:39 -07:00
Gabe Black
2f1001e95c
X86: Set up a media microop framework and create mov2int and mov2fp microops.
2009-08-17 18:15:18 -07:00
Gabe Black
6e97feb8a5
X86: Make not taken conditional moves leave the destination alone. Adjust CMOVcc.
...
The manuals from both AMD and Intel say that when writing to a 32 bit
destination in 64 bit mode, the upper 32 bits of the register are filled with
zeros. They also both say that the CMOV instructions leave their destination
alone when their condition fails. Unfortunately, it seems that CMOV will zero
extend its destination register whether or not it was supposed to actually do
a move on both platforms. This seems to be the only case where this happens,
but it would be hard to say for sure.
2009-08-08 17:23:19 -07:00
Gabe Black
3a55fc5cac
X86: Implement shift right/left double microops.
...
This is my best guess as far as what these should do. Other existing microops
use implicit registers, mul1s and mul1u for instance, so this should be ok.
The microop that loads the implicit DoubleBits register would fall into one
of the microop slots for moving to/from special registers.
2009-08-07 10:13:20 -07:00
Gabe Black
da2df2fc25
X86: Make conditional moves zero extend their 32 bit destinations always.
2009-08-05 03:07:55 -07:00
Gabe Black
b64d0bdeda
X86: Fix condition code setting for signed multiplies with negative results.
2009-08-05 03:07:01 -07:00
Gabe Black
2914a8eb16
X86: Make the check for negative operands for sign multiply more direct.
2009-08-05 03:06:37 -07:00
Gabe Black
e2e0ae576a
X86: Make sure immediate values are truncated properly.
...
Register values will be "picked" which will assure they don't have junk beyond
the part we're using. Immediate values don't go through a similar process, so
we should truncate them explicitly.
2009-08-05 03:06:01 -07:00
Gabe Black
c4140d7d60
X86: Handle rotate left with carry instructions that go all the way around or more.
2009-08-05 03:02:28 -07:00
Gabe Black
d265f7683e
X86: Handle rotate right with carry instructions that go all the way around or more.
2009-08-05 03:01:49 -07:00
Gabe Black
77dc6b33ee
X86: Fix the overflow bit for rotate right with carry.
2009-08-05 03:01:23 -07:00
Gabe Black
c8b1a4583e
X86: Fix the computation of the bottom part of rotate right with carry.
2009-08-05 03:01:07 -07:00
Gabe Black
bab4597fc5
X86: Fix the computation of the upper part of rotate right with carry.
2009-08-05 03:00:43 -07:00
Gabe Black
64d7948692
X86: Handle rotating right all the way around or more.
2009-08-05 03:00:03 -07:00
Gabe Black
029d360db2
X86: Make shifts/rotations that write to 32 bits of a register zero extend.
2009-08-05 02:59:25 -07:00
Gabe Black
7f9a3af250
X86: Handle left rotations that go all the way around or more.
2009-08-05 02:58:54 -07:00
Gabe Black
c087b60af3
X86: Fix the sar carry flag.
2009-08-05 02:58:03 -07:00
Gabe Black
860f0f8350
X86: Fix sign extension when doing an arithmetic shift right by 0.
2009-08-05 02:57:47 -07:00
Gabe Black
a238959c34
X86: Fix the carry flag for shr.
2009-08-05 02:56:49 -07:00
Gabe Black
22a5f66820
X86: Fix the carry flag for shl.
2009-08-05 02:56:38 -07:00
Gabe Black
aff57202b4
X86: Fix the high result of mul1s, and removed undefined shifts from the mult microops.
2009-08-02 08:39:29 -07:00
Gabe Black
ba6b8389ee
X86: Take limitted advantage of the compilers type checking for microop operands.
2009-07-16 09:29:29 -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
ee7055c289
X86: Put the StoreCheck flag with the others, and don't collide with other flags.
2009-04-23 01:43:00 -07:00
Gabe Black
d90456a486
X86: Implement the stul microop.
...
This microop does a store and unlocks the requested address. The RISC86
microop ISA doesn't seem to have an equivalent to this, so I'm guessing that
the store following an ldstl is automatically unlocking. We don't do it this
way for performance reasons since the behavior is the same.
2009-04-19 04:55:58 -07:00
Gabe Black
d2554ff030
X86: Implement the ldstl microop.
...
This microop does a load, checks that a store would succeed, and locks the
requested address.
2009-04-19 04:55:43 -07:00
Gabe Black
038225a6ca
X86: Implement far jmp.
2009-04-19 03:42:41 -07:00
Gabe Black
a0cc081997
X86: Fix a bug in the chks microop where it ignored that it found a fault.
2009-04-19 03:40:08 -07:00
Gabe Black
35eea4191b
X86: LEA calculates an address before segmentation.
2009-04-19 03:24:51 -07:00
Gabe Black
a340b214cf
X86: Fix the halt microop.
2009-04-19 02:51:09 -07:00
Gabe Black
8a1eb7e8be
X86: Take address size into account when computing an effective address.
2009-02-27 09:25:16 -08:00
Gabe Black
9dfa3f7f73
X86: Fix segment limit checks.
2009-02-27 09:23:50 -08:00
Gabe Black
bda7077c64
X86: Add segmentation checks for ldt related descriptors and selectors.
2009-02-25 10:21:21 -08:00
Gabe Black
e08d60389d
X86: Make the TSS type check actually return a fault if it fails.
2009-02-25 10:21:14 -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
b035c917a5
X86: Make the segment register reading microops use merge.
2009-02-25 10:20:47 -08:00
Gabe Black
8813168b5a
X86: Do a merge for the zero extension microop.
2009-02-25 10:20:10 -08:00
Gabe Black
28a35a6adb
X86: Add microops for reading/writing debug registers.
2009-02-25 10:20:01 -08:00
Gabe Black
cb4141f6e6
X86: Check src1 for illegal values since that's the index we actually use.
2009-02-25 10:19:47 -08:00
Gabe Black
06ff83e1b9
X86: Implement a basic prefetch instruction.
2009-02-25 10:19:22 -08:00
Gabe Black
5f0428ef9f
X86: Use the right portion of a register for stores.
2009-02-25 10:19:14 -08:00
Gabe Black
dc53ca89f6
X86: Add a flag to force memory accesses to happen at CPL 0.
2009-02-25 10:18:22 -08:00
Gabe Black
fcad6e3b13
X86: Add a wrattr microop.
2009-02-25 10:17:38 -08:00
Gabe Black
08f3a126d5
X86: Fix segment limit checking.
2009-02-25 10:17:08 -08:00
Gabe Black
2f31643db5
X86: Add a check to chks to verify a task state segment descriptor.
2009-02-25 10:17:02 -08:00
Gabe Black
7b1cb74ac3
X86: Add a check to chks which raises #GP(selector) if selector is NULL or not in the GDT.
2009-02-25 10:16:54 -08:00
Gabe Black
1b336a8fe7
X86: Make the stupd microop not update registers in initiateAcc.
2009-02-25 10:15:56 -08:00
Gabe Black
a1aba01a02
CPU: Get rid of translate... functions from various interface classes.
2009-02-25 10:15:34 -08:00
Nathan Binkert
e1798d063e
Quell g++ 4.3 warning about operator ambiguity
2009-02-06 20:55:50 -08:00
Gabe Black
923a14dde7
X86: Make the fault classes handle error codes better.
2009-02-01 17:08:32 -08:00
Gabe Black
9b4d1e0f9a
X86: Distinguish between hardware and software interrupts/exceptions
2009-02-01 17:07:18 -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
115b1a7ed3
X86: Autogenerate macroop generateDisassemble function.
2009-01-06 22:55:27 -08:00
Gabe Black
8c15518f30
X86: Fix completeAcc get call.
2008-11-09 21:55:43 -08:00
Gabe Black
3c4567f2a6
X86: Set the delayed commit flag in x86 microops appropriately.
2008-10-12 23:29:10 -07:00
Gabe Black
a2e0d539d8
X86: Add wrval/rdval microops for reading significant miscregs.
2008-10-12 22:55:55 -07:00
Gabe Black
f813a4be49
X86: Make sure register microops set fault rather than returning one.
2008-10-12 22:24:06 -07:00
Gabe Black
961b40cdb5
X86: Implement an wrdh microop which loads bases/offsets from 16 byte descriptors.
2008-10-12 22:16:53 -07:00
Gabe Black
6b46e5204d
X86: Implement the chks check of interrupt gate target code segments.
2008-10-12 20:38:22 -07:00
Gabe Black
30feb90c1c
X86: Add a check type for interrupt gates.
2008-10-12 20:33:37 -07:00
Gabe Black
15f5bb3055
X86: Fix chks checking the submode for stack segments.
2008-10-12 20:29:52 -07:00
Gabe Black
9e1fe2050a
X86: Let segment manipulation microops be conditional.
2008-10-12 20:25:06 -07:00
Gabe Black
223fc41c07
X86: Fix the rdbase microop
2008-10-12 20:07:46 -07:00
Gabe Black
cefb768131
X86: Create a handy way to access labels from the ROM in microcode.
2008-10-12 17:52:51 -07:00
Gabe Black
e5f8092467
X86: Make X86's microcode ROM actually do something.
2008-10-12 17:48:44 -07:00
Gabe Black
6fd4eff68f
X86: Create an eret microop which returns from ROM to combinational decoding.
2008-10-12 15:53:04 -07:00
Gabe Black
4aa18aa800
X86: Make Br never report itself as the last microop.
2008-10-12 15:43:35 -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
e1b306fa53
X86: Fix the debugging microops. The debug functions can't handle a string object format.
2008-10-09 00:05:39 -07:00
Gabe Black
4f4ff17578
X86: Make the disassembly for halt conform with the other microops.
2008-06-12 00:58:27 -04:00
Gabe Black
66f54a6037
X86: Change how segment loading is performed.
2008-06-12 00:52:12 -04:00
Gabe Black
d4e7c7edd3
X86: Keep handy values like the operating mode in one register.
2008-06-12 00:50:25 -04:00
Gabe Black
fa7c81c6df
X86: Change what the microop chks does.
...
Instead of computing the segment descriptor address, this now checks if a
selector value/descriptor are legal for a particular purpose.
2008-06-12 00:50:10 -04:00
Gabe Black
6bd9cf3594
X86: Add a microop to read a segments attribute register.
2008-06-12 00:50:05 -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
2bb8933f78
X86: Add microops which panic, fatal, warn, and warn_once.
2008-06-12 00:49:25 -04:00
Gabe Black
bbc1f394ff
X86: Truncate descriptors to 16 bits.
2008-06-12 00:49:16 -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
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
a548067b01
X86: Make the "fault" microop predicated.
...
--HG--
extra : convert_revision : ded34133afcd6af1f55b8991b82bad45258069d3
2007-12-01 23:01:56 -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
4e3ff42762
X86: Implement wrbase and wrlimit for loading pseudo descriptors.
...
--HG--
extra : convert_revision : fe03c4aed95ef12773e80cdb3d9cff68a2b20f02
2007-12-01 23:00:58 -08:00
Gabe Black
5772e3cada
X86: Make microcode use presegmentation RIPs and the rest of m5 use post segmentation RIPS.
...
--HG--
extra : convert_revision : d8cda7c8b9a2afb8a9d601b6d61529a96c5f87fe
2007-11-13 01:31:43 -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
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
aaa30714b3
X86: Various fixes to indexing segmentation related registers
...
--HG--
extra : convert_revision : 3d45da3a3fb38327582cfdfb72cfc4ce1b1d31af
2007-11-12 14:37:54 -08:00
Gabe Black
503fb8ebed
X86: Compile fixes for 32 bit/debug/opt.
...
--HG--
extra : convert_revision : 591fffb316830fca5792666c8df12abd4e7c551b
2007-10-30 16:34:00 -04:00
Gabe Black
421aea980f
X86: Implement the cda microop which checks if an address is legal to write to.
...
--HG--
extra : convert_revision : afe20649180dd59ad0702b98f7293be6c9226359
2007-10-22 14:30:56 -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
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
f69a463b4b
X86: Implement a "halt" microop.
...
--HG--
extra : convert_revision : 53a846a157e4dce42343b81901df1207738f62cd
2007-10-19 15:10:23 -07:00
Gabe Black
33dbd8a766
X86: Make the "fault" microop predicated.
...
--HG--
extra : convert_revision : 48dae1f3c680636833c137fe6b95b37ae84e188c
2007-10-18 22:40:18 -07:00
Gabe Black
0ffb317ff9
X86: Make wrip sign extend its second operand.
...
--HG--
extra : convert_revision : 2531af8b442ea5aaefccd7a7999c7720489edc36
2007-10-18 22:36:36 -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
efbff349a9
X86: Significantly filled out misc regs.
...
--HG--
extra : convert_revision : 4c53be6568134d65e57f5411df986fd9a89e82c9
2007-10-07 18:16:00 -07:00
Gabe Black
06d2d54b57
X86: Fix the movfp microop.
...
--HG--
extra : convert_revision : 23829782a2802a97a05e4dfdb5dd38fbe4165a90
2007-10-02 22:58:04 -07:00
Gabe Black
7c521db9de
X86: Implement the ldst microop and put it in existing microcode where appropriate.
...
--HG--
extra : convert_revision : f08bd725d07a501bb7a0ce91590b5d37db99c6f3
2007-10-02 22:08:09 -07:00
Gabe Black
b831f7409b
X86: Get rid of a hack for ruflag which is no longer necessary.
...
--HG--
extra : convert_revision : 1bb60c9ddb483aead2af0201bbda938cc6d3f7cb
2007-10-02 22:05:50 -07:00
Gabe Black
efb309525a
X86: Allow logic instructions to set ECF as well as CF.
...
--HG--
extra : convert_revision : 6ac20f069c86c23a8d443a7127afd6015166c00d
2007-10-02 22:05:10 -07:00
Gabe Black
a75b6f5106
X86: Move the fp microops to their own file with their own base classes in C++ and python.
...
--HG--
extra : convert_revision : 9cd223f2005adb36fea2bb56fa39793a58ec958c
2007-09-19 18:27:55 -07:00
Gabe Black
534c6a800a
X86: Make the shift and rotate instructions set the carry flag(s) and overflow flags like they're supposed to.
...
--HG--
extra : convert_revision : c0523a5bbf53375ce979ca7d98a95e465be66fbe
2007-09-13 16:35:20 -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
8e7bca8b36
X86: Move a comment to be next to the code it describes.
...
--HG--
extra : convert_revision : c384391175babb7cfdd3885ae9d9f1a9405ea44f
2007-09-10 11:01:52 -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
5052e2cb10
X86: Make signed versions of partial register values available to microops.
...
--HG--
extra : convert_revision : c820d1250f505911a341ced42d4f73796ea77f87
2007-09-06 16:22:08 -07:00
Gabe Black
832ef7412b
X86: Correct how the hi portion of a product is computed.
...
--HG--
extra : convert_revision : 1f503e1cae0374e62e6254e8073e903adc29d067
2007-09-06 16:20:12 -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
6c689a3b4b
X86: Make the movfp microop use FloatRegBits instead of FloatRegs.
...
This fixes a problem where interpreting arbitrary bits as floating point would
change what the value was. These values are legitimate because the fp
registers could be used to move around arbitrary data.
--HG--
extra : convert_revision : f1d7159ba137702b5722cc7c1b64ed7dd06c21de
2007-09-04 23:42:55 -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
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
9da070ce8a
X86: Major rework of how regop microops are generated.
...
The new implementation uses metaclass, and gives a lot more precise control
with a lot less verbosity. The flags/no flags reg/imm variants are all handled
by the same python class now which supplies a constructor to the right C++
class based on context.
--HG--
extra : convert_revision : 712e3ec6de7a5a038da083f79635fd7a687d56e5
2007-08-31 22:28:07 -07:00
Gabe Black
f67cd04673
X86: Fix the sra microop to get the sign bit from the right operand.
...
--HG--
extra : convert_revision : 71e58dd6dd6918ee403f2e332c47e29acdace464
2007-08-29 20:39:41 -07:00
Gabe Black
3b97b6e0e2
X86: Add an fp move microop.
...
--HG--
extra : convert_revision : a9d6d3568cd2c6a65df91bf56ee1e43523f04630
2007-08-29 20:36:44 -07:00
Gabe Black
22830c0747
X86: Add load and store microops that use the fp registers.
...
--HG--
extra : convert_revision : 153a055e888d8c47d59758a599dbd38f63008137
2007-08-29 20:36:12 -07:00
Gabe Black
8d1c7a83d7
X86: Make the Ruflag microop work correctly, and make the code a little clearer.
...
--HG--
extra : convert_revision : c551f51cdda46df99370363ed2d70916db8413eb
2007-08-26 20:41:36 -07:00
Gabe Black
9c99f5f825
X86: Fix the sign extension microop so it extends zeros correctly.
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--HG--
extra : convert_revision : 9d7ca286ba7709175fa75226320601acce4ced98
2007-08-26 20:37:41 -07:00
Gabe Black
fcd04f953c
X86: Remove x86 code that attempted to fix misaligned accesses.
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--HG--
extra : convert_revision : 42f68010e6498aceb7ed25da278093e99150e4df
2007-08-26 20:30:36 -07:00
Gabe Black
60c61cb2b1
X86: Overhaul of ruflags to get it to work correctly.
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--HG--
extra : convert_revision : 00a36a80a1945806aac9fa7d9d6a3906465dcad2
2007-08-07 15:21:13 -07:00
Gabe Black
fb6cdf09cb
X86: Make a microcode branch microop.
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Also some touch up for ruflag.
--HG--
extra : convert_revision : 829947169af25ca6573f53b9430707101c75cc23
2007-08-07 15:19:26 -07:00
Gabe Black
30e777a5d3
X86: Implement microops and instructions that manipulate the flags register.
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--HG--
extra : convert_revision : 566841577bf4a98cac0b65292fe0f7daf89a9203
2007-08-04 20:24:18 -07:00
Gabe Black
802f13e6bd
X86: Make 64 bit unaligned accesses work as well as the other sizes.
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There is a fundemental flaw in how unaligned accesses are supported, but this
is still an improvement.
--HG--
extra : convert_revision : 1c20b524ac24cd4a812c876b067495ee6a7ae29f
2007-08-04 20:22:20 -07:00
Gabe Black
e410a925df
X86: Start implementing segmentation support.
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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
e5e5b0119d
X86: Fix for compilation bug with new cache code.
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--HG--
extra : convert_revision : 073c6db0796cd2c11b8293b382b438a2a959b821
2007-08-01 12:49:58 -07:00
Gabe Black
595ff465e5
X86: Remove a naming conflict between the register index parameters and the "picked" register values.
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--HG--
extra : convert_revision : 7b2c1be509478153ebf396841e4cbeccee3e03d1
2007-07-30 15:44:21 -07:00
Gabe Black
bae96272a1
X86: Make instructions use pick, and implement/adjust some multiplication microops and instructions.
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--HG--
extra : convert_revision : 5c56f6819ee07d936b388b3d1810a3b73db84f9c
2007-07-30 13:28:05 -07:00
Gabe Black
d8beeff324
X86: Make disassembly use the final register index. Add bits to indicate whether or not register indexes should be "folded".
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--HG--
extra : convert_revision : 4b46e71ca91e480f6e1662b7f37b75240d6598e9
2007-07-30 13:23:33 -07:00
Gabe Black
7309d5ee45
X86: Make logic instructions flag setting work.
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The instructions now ask for the appropriate flags to be set, and the microops do the "right thing" with the CF and OF flags, namely zero them.
--HG--
extra : convert_revision : 85138a832f44c879bf8a11bd3a35b58be6272ef3
2007-07-29 13:51:40 -07:00
Gabe Black
e5f5890365
X86: Make limm use merge and allow overriding the data size.
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--HG--
extra : convert_revision : c6057226b8ff8f272612a9d3bf7d1d9ba90c819b
2007-07-29 01:30:28 -07:00
Gabe Black
c0670187c5
X86: Add functions to read and write to an exec context.
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These functions take care of calling the thread contexts read and write functions with the right sized data type, and handle unaligned accesses.
--HG--
extra : convert_revision : b4b59ab2b22559333035185946bae3eab316c879
2007-07-26 22:08:35 -07:00
Gabe Black
57428b8b0b
X86: Fix carry calculation for subtraction based microops.
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The carry flag should be calculated using the -complement- of the second operand, not it's negation. The carry in which is part of computing the 2's complement may induce a carry, but if you've already caused the carry before you get the carry computing logic involved, it will miss it.
--HG--
extra : convert_revision : 318cf86929664fc52ed9e023606a9e892eba635c
2007-07-26 22:06:30 -07:00
Gabe Black
69f4a6dc86
Make the shift and rotate microops mask the shift/rotate amount correctly.
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--HG--
extra : convert_revision : 31c5d3fa8ef0d37494d0e35cef31be6056d5d93f
2007-07-24 15:10:53 -07:00
Gabe Black
ee6fbdc28b
Implement rotate with carry microops.
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--HG--
extra : convert_revision : 1d7ff6611e5b4766a5257c1e73681fabbe5f6d76
2007-07-21 19:27:38 -07:00
Gabe Black
fc1b7d62b7
Fixed the distinction between far and near versions of jmp, call and ret. Implemented some shifts, rotates, and pushes.
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--HG--
extra : convert_revision : fcb06189ff213e82da16ac43231feb308cb3a285
2007-07-20 23:16:03 -07:00
Gabe Black
9093cb79a1
Implement adc and sbb instructions and microops.
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--HG--
extra : convert_revision : a2d3068c5b487f4fa7bf5c9cebba7753bc390bfa
2007-07-20 17:17:11 -07:00
Gabe Black
1ed6a8ed79
Define and fill out a lot of different instructions and instruction versions. Added two of the shift microops.
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--HG--
extra : convert_revision : 0b76953dbb1dc3366242d4d209cccebde86bbe4e
2007-07-20 16:39:07 -07:00
Gabe Black
f09847c7a6
Make load and store ops use the appropriate sized data access.
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--HG--
extra : convert_revision : 6b808586fab10ca433ef04b062bf701b906634b9
2007-07-20 15:02:09 -07:00
Gabe Black
0baae59c09
Fix carry flag for subtracts, and clean up code slightly.
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--HG--
extra : convert_revision : 668f5d5aeba888488b41284de6c72a0d055c4ef4
2007-07-20 14:53:38 -07:00