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Author SHA1 Message Date
Steve Reinhardt 6b73ff43ff Have owner respond to UpgradeReq to avoid race. 
--HG--
extra : convert_revision : 30916fca6978c73d8a14558f2d7288c1eab54ad4
 2007-07-26 17:04:17 -07:00
Steve Reinhardt c3bf59dcb9 Add downward express snoops for invalidations. 
--HG--
extra : convert_revision : 4916fa9721d727d8416ad8c07df3a8171d02b2b4
 2007-07-26 17:04:17 -07:00
Steve Reinhardt f1b5c8fb57 Continue snooping after a writeback is encountered. 
--HG--
extra : convert_revision : 8411338a6c0fdd7072dd32bdffacdace62d5de90
 2007-07-26 17:04:16 -07:00
Steve Reinhardt 58250b8e5f bus: Fix default port handling. 
--HG--
extra : convert_revision : 121b6e31cddff17c51fc4f3df20e7e2bde87d04f
 2007-07-26 17:04:12 -07:00
Steve Reinhardt c1097d06f7 Can't block on memInhibit packets 
(now that bus no longer filters them for us).

--HG--
extra : convert_revision : 34e7eaf5ee1e739f5557a2d417e569ed2ceb14b3
 2007-07-25 07:47:37 -07:00
Steve Reinhardt de52eebd3b Integrate snoop loop functions into their respective call sites. 
Also some additional cleanup of Bus::recvTiming().

--HG--
extra : convert_revision : 156814119f75d04c2e954aec2d7ed6fdc186c26f
 2007-07-24 22:37:41 -07:00
Steve Reinhardt d094f9cf27 Don't delete request at target... requester still needs it. 
--HG--
extra : convert_revision : 76377ca2e4d7ea70d1d54d325a63ce710e260b93
 2007-07-24 22:36:10 -07:00
Steve Reinhardt 1f9ea6e122 A couple more minor bug fixes for multilevel coherence. 
--HG--
extra : convert_revision : 370f9e34911157765be6fd49e826fa1af589b466
 2007-07-23 22:28:40 -07:00
Steve Reinhardt 97f7ee2e50 Fix WriteReq/StoreCondReq setting in O3. 
--HG--
extra : convert_revision : b41571535f3d1f78df3cb6e48c16de5c7549d87f
 2007-07-23 08:18:51 -07:00
Steve Reinhardt 82e2a35576 Replace lowerMSHRPending flag with more robust scheme 
based on following Packet senderState links.

--HG--
extra : convert_revision : 9027d59bd7242aa0e4275bf94d8b1fb27bd59d79
 2007-07-22 21:43:38 -07:00
Steve Reinhardt fe442f67ad Merge from head. 
--HG--
extra : convert_revision : dd23c568b3777fed7973401b6cf035f5a14f12f3
 2007-07-22 18:02:40 -04:00
Nathan Binkert 089fce4f59 do proper style checks for merged files 
--HG--
extra : convert_revision : f9d4c61ded4b13655dbe86f0bb6a0b3beaf45151
 2007-07-22 13:45:12 -07:00
Nathan Binkert 78759ad176 fix the style fixing thing 
--HG--
extra : convert_revision : 65ffc14e7b78b49df9a67ef0d3521551dd44d1cd
 2007-07-22 09:08:05 -07:00
Steve Reinhardt d5c74657c9 Merge more changes in from head. 
--HG--
extra : convert_revision : 8f170f2754eccdb424a35b5b077225abcf6eee72
 2007-07-22 08:10:59 -07:00
Steve Reinhardt 1c2d5f5e64 Replace DeferredSnoop flag with LowerMSHRPending flag. 
Turns out DeferredSnoop isn't quite the right bit of info
we needed... see new comment in cache_impl.hh.

--HG--
extra : convert_revision : a38de8c1677a37acafb743b7074ef88b21d3b7be
 2007-07-22 08:09:24 -07:00
Steve Reinhardt 03730edc45 Merge Gabe's changes with mine. 
--HG--
extra : convert_revision : f50ed42e7acb3f11e610fd6976eaa8df0c6ba2ab
 2007-07-22 10:40:45 -04:00
Steve Reinhardt 1edd143b68 A few minor non-debug compilation issues. 
--HG--
extra : convert_revision : d59a5cad6187a2229dddd1a48282ebd2923d1d8d
 2007-07-22 03:07:26 -04:00
Gabe Black 2cd454d102 Add the "open" syscall. 
--HG--
extra : convert_revision : d405ed5d3738639809dd2887955db9253138ccbb
 2007-07-22 02:43:03 +00:00
Gabe Black 47b0242618 Fixed immediate byte accounting bug. 
--HG--
extra : convert_revision : ee5275da14a2923b9a525ae5b5c582c15df4608a
 2007-07-22 02:34:52 +00:00
Gabe Black bff4f765f5 Fixed displacement size bug. 
--HG--
extra : convert_revision : c39249ef598c1bd555098d688381dc62541a07c0
 2007-07-22 02:23:03 +00:00
Gabe Black 6a0b712a1e Merge with head. 
--HG--
extra : convert_revision : 9b82ba062a14032ef24b960b92d48de754463284
 2007-07-21 22:49:57 -07:00
Nathan Binkert 4b5ba96d38 Add code to turn the style stuff into a mercurial hook. 
Nag the user during compile if they have an hg cloned copy of M5, have
mercurial installed, but don't have the style hook enabled.

--HG--
extra : convert_revision : 6bcbb67f1a3fcd36db7d3ef16a9ff19680f126f2
 2007-07-21 22:33:08 -07:00
Gabe Black f7ff068b30 Implemented and hooked in xchg, rotate with carry, and ret instructions 
--HG--
extra : convert_revision : a8e67b0ab4072308f01e0df7f7ee05b31f605a35
 2007-07-21 19:29:39 -07:00
Gabe Black ee6fbdc28b Implement rotate with carry microops. 
--HG--
extra : convert_revision : 1d7ff6611e5b4766a5257c1e73681fabbe5f6d76
 2007-07-21 19:27:38 -07:00
Steve Reinhardt 92ce2b5974 Deal with invalidations intersecting outstanding upgrades. 
If the invalidation beats the upgrade at a lower level
then the upgrade must be converted to a read exclusive
"in the field".
Restructure target list & deferred target list to
factor out some common code.

--HG--
extra : convert_revision : 7bab4482dd6c48efdb619610f0d3778c60ff777a
 2007-07-21 18:18:42 -07:00
Steve Reinhardt 9117860094 Several more fixes for multi-level timing coherence. 
- Add "deferred snoop" flag to Packet so upper-level caches
  can distinguish whether lower-level cache request was
  in-service or not at the time of the original snoop.
- Revamp response handling to properly handle deferred snoops
  on non-cache-fill requests (i.e. upgrades).
- Make sure forwarded writebacks are kept in write buffer at
  lower-level caches so they get snooped properly.

--HG--
extra : convert_revision : 17f8a3772a1ae31a16991a53f8225ddf54d31fc9
 2007-07-21 13:45:17 -07:00
Gabe Black fc1b7d62b7 Fixed the distinction between far and near versions of jmp, call and ret. Implemented some shifts, rotates, and pushes. 
--HG--
extra : convert_revision : fcb06189ff213e82da16ac43231feb308cb3a285
 2007-07-20 23:16:03 -07:00
Gabe Black 009df5ff1e Fixed line number accounting 
--HG--
extra : convert_revision : 4c046493b98ce4a766c2121710d70650cb6a801e
 2007-07-20 23:12:26 -07:00
Gabe Black 75f6c6a016 Implement UD2 and replace the place holder in the decoder. 
--HG--
extra : convert_revision : 16d0d2b2ddad8759698fa4aa668c22063307c72b
 2007-07-20 18:27:02 -07:00
Gabe Black 8dd93f32e4 Make the "name" function const. 
--HG--
extra : convert_revision : eb71bc3edd92a544a5333786635fce550aaef233
 2007-07-20 18:24:46 -07:00
Gabe Black 9093cb79a1 Implement adc and sbb instructions and microops. 
--HG--
extra : convert_revision : a2d3068c5b487f4fa7bf5c9cebba7753bc390bfa
 2007-07-20 17:17:11 -07:00
Gabe Black c3669b8925 Implement the rest of the conditional jump instructions and hook them into the decoder. 
--HG--
extra : convert_revision : 8d1d6abce29371def560e1c3f31dabb4de01366f
 2007-07-20 17:02:39 -07:00
Gabe Black 231cc3effb Make the decoder take advantage of the new "B" operand format which takes a register index from the opcode itself. 
--HG--
extra : convert_revision : 35f9be6559ee9833049eda1817982efdde7082be
 2007-07-20 16:48:59 -07:00
Gabe Black 1ed6a8ed79 Define and fill out a lot of different instructions and instruction versions. Added two of the shift microops. 
--HG--
extra : convert_revision : 0b76953dbb1dc3366242d4d209cccebde86bbe4e
 2007-07-20 16:39:07 -07:00
Gabe Black 705a22b999 Hook in newly implemented instructions. 
--HG--
extra : convert_revision : 53319d2363211af407dabaa2b63ad8a4df09c369
 2007-07-20 15:05:37 -07:00
Gabe Black dfcb2ffa46 Comment, implement, fix, and trim the move microassembly. 
--HG--
extra : convert_revision : aa5ee7270e740bfbe42e70c4dfccc4c91ecacb33
 2007-07-20 15:04:41 -07:00
Gabe Black fcc23891bb Implement jnbe. 
--HG--
extra : convert_revision : cdbf1ff5ed3a63787cbd2187a8a3455a41cc5085
 2007-07-20 15:03:36 -07:00
Gabe Black 79b3208aa5 Appended _NEAR to the near version of call and return. 
--HG--
extra : convert_revision : 70adb38d59ff7b5d103e58a9f0773dfb911fec6d
 2007-07-20 15:03:03 -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 d926de462a Implement the increment and decrement instructions, and the two operand form of signed multiplication. 
--HG--
extra : convert_revision : d87df4b1b5470bed1d963dfe8e2ffa1403718342
 2007-07-20 14:59:14 -07:00
Gabe Black ec5f66190e Fix code that computes displacement size. 
--HG--
extra : convert_revision : a9be3eb2b90b88086936aeb4dcf87ec7b58a48cb
 2007-07-20 14:57:34 -07:00
Gabe Black 5d882984d1 Add a bitfield to decode based on what prefixes are used. 
--HG--
extra : convert_revision : 7ff4998b3249ccfe86ae9cbcc63fb910683707f5
 2007-07-20 14:57:04 -07:00
Gabe Black dcfaa348b1 Add a parameter type to read a register index from the opcode itself. 
--HG--
extra : convert_revision : d2b5468ebf5df5a6ccadb57a30c52c8d16417b9a
 2007-07-20 14:55:16 -07:00
Gabe Black ee22bcd609 Fix function which calculates the carry flag. 
--HG--
extra : convert_revision : aeb4f2d4c3936089421dbe80647f28ae36178283
 2007-07-20 14:54:17 -07:00
Gabe Black 0baae59c09 Fix carry flag for subtracts, and clean up code slightly. 
--HG--
extra : convert_revision : 668f5d5aeba888488b41284de6c72a0d055c4ef4
 2007-07-20 14:53:38 -07:00
Gabe Black 0781609693 Fixed width parameter and provided a parameter to flip the carry bit on subtract. 
--HG--
extra : convert_revision : d01bb791b000a2fdfc8600f8fb2f8aadd52b0b63
 2007-07-20 14:52:44 -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 09f056a1ef Check for the two opcode prefix correctly and add in some instructions. 
--HG--
extra : convert_revision : 751e54843f5c81b81529050a1ae9d46d07c36e97
 2007-07-18 17:51:05 -07:00
Gabe Black f6d326d6fc Hook near returns into the decoder. 
--HG--
extra : convert_revision : b38d4417552991e44f5d1de1f35d5d1ad8f32340
 2007-07-18 17:48:16 -07:00
Gabe Black dbf361128a Implement near returns. 
--HG--
extra : convert_revision : 3d6e8a976d31cb016a4b78200716b0ece155137a
 2007-07-18 17:47:40 -07:00