riscv/rocket-chip
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Author SHA1 Message Date
Andrew Waterman a2f6d01c1b add programmable coreid register 2012-05-09 03:09:22 -07:00
Andrew Waterman e0e1cd5d32 add IPIs and an IPI test 
IPIs are routed through the HTIF, which seems weird, but that makes it
so cores can bring each other out of reset with IPIs.
 2012-05-08 22:58:00 -07:00
Henry Cook 87cbae2c8a Removed defunct ioDmem 2012-05-07 17:31:39 -07:00
Andrew Waterman b851f1b34c support maximum-MTU HTIF packets 2012-05-03 21:11:43 -07:00
Andrew Waterman f804c57bb0 reduce HTIF clock divider for now 2012-05-03 04:21:11 -07:00
Andrew Waterman 171c87002e reduce HTIF clock divider for now 2012-05-03 04:21:11 -07:00
Andrew Waterman e1f9dc2c1f generalize page table walker 
also, don't instantiate vitlb when !HAVE_VEC
 2012-05-03 02:29:09 -07:00
Andrew Waterman 2d4e5d3813 fix pseudo-LRU verilog generation bug 2012-05-02 19:31:31 -07:00
Henry Cook 622a801bb1 Refactored cpu/cache interface to use nested bundles 2012-05-02 11:54:28 -07:00
Andrew Waterman 65ff397122 improved instruction decoding 
it now makes use of don't-cares by performing logic minimization
 2012-05-01 20:16:36 -07:00
Andrew Waterman 4cfa6cd9a8 force Top.main's return type to Unit 2012-05-01 19:55:16 -07:00
Andrew Waterman 5819beed64 use parameterized FP units 2012-05-01 01:25:43 -07:00
Andrew Waterman eafdffe125 simplify page table walker; speed up emulator 2012-05-01 01:24:36 -07:00
Andrew Waterman c13d3e6f88 fix probe tag read-modify-write atomicity violation 2012-04-26 02:29:31 -07:00
Andrew Waterman 66f86a2194 use pseudo-LRU replacement for TLBs 2012-04-26 02:29:30 -07:00
Andrew Waterman a0378c5d2f remove faulting TLB entry after page fault 
this vastly reduces the frequency with which the TLB must be flushed
 2012-04-26 02:29:30 -07:00
Andrew Waterman 6d8fc74378 fix DTLB permissions bug 2012-04-26 02:29:30 -07:00
Henry Cook 99bc99f2ad Fixed abort bug: removed uneeded state, added mshr guard on xact_abort.valid and xact_init.ready on same cycle 2012-04-24 17:17:42 -07:00
Henry Cook 00155f4bc4 Fixed abort bug: removed uneeded state, added mshr guard on xact_abort.valid and xact_init.ready on same cycle 2012-04-24 17:17:42 -07:00
Henry Cook 1ed89f1cab Fixed abort bug: removed uneeded state, added mshr guard on xact_abort.valid and xact_init.ready on same cycle 2012-04-24 17:17:42 -07:00
Henry Cook d61e6ee080 Fixed coherence bug: probe counting for single tile 2012-04-24 17:17:13 -07:00
Henry Cook 37eb1a4ae6 Fixed coherence bug: probe counting for single tile 2012-04-24 17:17:13 -07:00
Henry Cook 55e86b5cf4 Fixed coherence bug: probe counting for single tile 2012-04-24 17:17:13 -07:00
Henry Cook a39080d0b1 Fixed abort bug: xact_abort.ready was not pinned high 2012-04-24 17:16:40 -07:00
Andrew Waterman fb4408b150 fix AMO replay/coherence deadlock 2012-04-15 22:56:02 -07:00
Andrew Waterman 724735f13f fix writeback bug 2012-04-13 03:16:48 -07:00
Andrew Waterman 00d934cfac fix coherence bugs in cache 2012-04-12 21:57:37 -07:00
Henry Cook 4a6c7dbc26 Policy determined by constants. MSI policy added. 2012-04-11 17:56:59 -07:00
Henry Cook fef58f1b3a Policy determined by constants. MSI policy added. 2012-04-11 17:56:59 -07:00
Andrew Waterman 98a5d682a5 coherence mostly works now 2012-04-10 02:22:45 -07:00
Andrew Waterman 2a7d2888a7 coherence mostly works now 2012-04-10 02:22:45 -07:00
Andrew Waterman c0ec3794bf coherence mostly works now 2012-04-10 02:22:45 -07:00
Henry Cook 1920c97066 Refactored coherence as member rather than trait. MI and MEI protocols. 2012-04-10 00:09:58 -07:00
Henry Cook b22d7f8192 Refactored coherence as member rather than trait. MI and MEI protocols. 2012-04-10 00:09:58 -07:00
Henry Cook 3cdd166153 Refactored coherence as member rather than trait. MI and MEI protocols. 2012-04-10 00:09:58 -07:00
Henry Cook 5acf1d9820 defined abstract coherence traits in base trait, added Incoherent trait, cleaned up incoherent policy 2012-04-09 23:29:32 -07:00
Henry Cook e71e3ce38f defined abstract coherence traits in base trait, added Incoherent trait, cleaned up incoherent policy 2012-04-09 23:29:32 -07:00
Henry Cook 9c8f849f50 defined abstract coherence traits in base trait, added Incoherent trait, cleaned up incoherent policy 2012-04-09 23:29:32 -07:00
Henry Cook a68f5e016d changed coherence type width names to represent max sizes for all protocols 2012-04-09 23:29:32 -07:00
Henry Cook 17a5d26c1e changed coherence type width names to represent max sizes for all protocols 2012-04-09 23:29:32 -07:00
Henry Cook 551e09c9d5 changed coherence type width names to represent max sizes for all protocols 2012-04-09 23:29:32 -07:00
Henry Cook f7307ee411 changed coherence message type names 2012-04-09 23:29:31 -07:00
Henry Cook 6bc47a55b4 changed coherence message type names 2012-04-09 23:29:31 -07:00
Henry Cook 0b4937f70f changed coherence message type names 2012-04-09 23:29:31 -07:00
Henry Cook d301336c33 Refactored coherence better from uncore hub, better coherence function names 2012-04-09 23:29:31 -07:00
Henry Cook 27e3346c14 Refactored coherence better from uncore hub, better coherence function names 2012-04-09 23:29:31 -07:00
Henry Cook ed79ec98f7 Refactored coherence better from uncore hub, better coherence function names 2012-04-09 23:29:31 -07:00
Andrew Waterman 73d8d42515 fix coherence bug with multiple probe replies 2012-04-09 21:40:35 -07:00
Andrew Waterman aee9378712 fix coherence bug with multiple probe replies 2012-04-09 21:40:35 -07:00
Huy Vo c9c3bd02bc kill mem stage if fpu nacks in mem stage 2012-04-01 17:02:32 -07:00