Commit graph

351 commits

Author SHA1 Message Date
Gabe Black
5f0428ef9f X86: Use the right portion of a register for stores. 2009-02-25 10:19:14 -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
dc53ca89f6 X86: Add a flag to force memory accesses to happen at CPL 0. 2009-02-25 10:18:22 -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
dadc30b0a4 X86: Make the microcode assembler recognize r8-r15. 2009-02-25 10:17:43 -08:00
Gabe Black
fcad6e3b13 X86: Add a wrattr microop. 2009-02-25 10:17:38 -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
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
5a4eed5d34 X86: All x86 fault classes now attempt to do something useful. 2009-02-01 17:09:08 -08:00
Gabe Black
923a14dde7 X86: Make the fault classes handle error codes better. 2009-02-01 17:08:32 -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
9b4d1e0f9a X86: Distinguish between hardware and software interrupts/exceptions 2009-02-01 17:07:18 -08:00
Gabe Black
041402a949 X86: Fix the upper bound on some ranges that were setting up the micro code assembler. 2009-02-01 17:06:25 -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
d432bd13b2 X86: Fix some incorrect register widths. 2009-02-01 00:18:13 -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
b23633ad1b X86: Hook in the M5 pseudo insts. 2009-01-06 23:55:46 -08:00
Gabe Black
115b1a7ed3 X86: Autogenerate macroop generateDisassemble function. 2009-01-06 22:55:27 -08:00
Gabe Black
9e24d8c599 X86: Move the macroop class out of the isa description into C++. 2009-01-06 22:44:59 -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
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
a2e0d539d8 X86: Add wrval/rdval microops for reading significant miscregs. 2008-10-12 22:55:55 -07:00
Gabe Black
4c19c56a77 X86: Implement entering an interrupt in microcode. 2008-10-12 22:42:03 -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
6074b1abf2 X86: Implement local labels for the ROM that actually refer into the ROM. 2008-10-12 20:44:11 -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
e9158d763a X86: Let the microassembler know about the microcode only H segment. 2008-10-12 20:17:38 -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