Commit graph

19 commits

Author SHA1 Message Date
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
aaa30714b3 X86: Various fixes to indexing segmentation related registers
--HG--
extra : convert_revision : 3d45da3a3fb38327582cfdfb72cfc4ce1b1d31af
2007-11-12 14:37:54 -08:00
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
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
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
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
fcd04f953c X86: Remove x86 code that attempted to fix misaligned accesses.
--HG--
extra : convert_revision : 42f68010e6498aceb7ed25da278093e99150e4df
2007-08-26 20:30:36 -07:00
Gabe Black
802f13e6bd X86: Make 64 bit unaligned accesses work as well as the other sizes.
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.
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.
--HG--
extra : convert_revision : 073c6db0796cd2c11b8293b382b438a2a959b821
2007-08-01 12:49:58 -07:00
Gabe Black
c0670187c5 X86: Add functions to read and write to an exec context.
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
f09847c7a6 Make load and store ops use the appropriate sized data access.
--HG--
extra : convert_revision : 6b808586fab10ca433ef04b062bf701b906634b9
2007-07-20 15:02:09 -07:00
Gabe Black
cfadef74d1 x86 fixes
Make the emulation environment consider the rex prefix.
Implement and hook in forms of j, jmp, cmp, syscall, movzx
Added a format for an instruction to carry a call to the SE mode syscalls system
Made memory instructions which refer to the rip do so directly
Made the operand size overridable in the microassembly
Made the "ext" field of register operations 16 bits to hold a sparse encoding of flags to set or conditions to predicate on
Added an explicit "rax" operand for the syscall format
Implemented syscall returns.

--HG--
extra : convert_revision : ae84bd8c6a1d400906e17e8b8c4185f2ebd4c5f2
2007-07-19 15:15:47 -07:00
Gabe Black
05a33a443f Make store microops actually store instead of load.
--HG--
extra : convert_revision : fe90f8adc96dd0e680cfa45e4c510a906046ae3d
2007-07-18 17:45:06 -07:00
Gabe Black
4f7809d5e6 Pull some hard coded base classes out of the isa description.
--HG--
rename : src/arch/x86/isa/base.isa => src/arch/x86/isa/outputblock.isa
extra : convert_revision : 7954e7d5eea3b5966c9e273a08bcd169a39f380c
2007-07-14 17:14:19 -07:00
Gabe Black
a68ddf685c Make memory instructions work better, add more macroop implementations, add an lea microop, move EmulEnv into it's own .cc and .hh.
--HG--
extra : convert_revision : 1212b8463eab1c1dcba7182c487d1e9184cf9bea
2007-06-20 15:02:50 +00:00
Gabe Black
6e286cddfa Get rid of the immediate and displacement components of the EmulEnv struct and use them directly out of the instruction. The extra copies are conceptually realistic but are just innefficient as implemented. Also don't use the zeroeth microcode register for general storage since it's now the zero register, and implement a load and a store microops.
--HG--
extra : convert_revision : 0686296ca8b72940d961ecc6051063bfda1e932d
2007-06-19 14:18:25 +00:00
Gabe Black
fd45c4a58f Move load/store microops into their own file. They still don't do anything, though.
--HG--
extra : convert_revision : 251763c614b9056c3ca7a85ef92c416552da893f
2007-06-13 18:05:08 +00:00