1
0
Commit Graph

505 Commits

Author SHA1 Message Date
Rimas Avizienis
11f0e3daf4 more cleanup 2011-11-18 00:17:30 -08:00
Rimas Avizienis
c42d8149b7 moved PCR writeback to end of MEM stage, cleanup of dcache/dpath/ctrl 2011-11-17 23:50:45 -08:00
Rimas Avizienis
5a322ff00c fixed dtlb bug (swapped r/w permissions), added fake mtfsr/mffsr/fld/fst instructions 2011-11-17 11:17:37 -08:00
Rimas Avizienis
80b4253318 fixed dcache amo bug, cleaned up testharness, added RDTIME instruction 2011-11-16 02:04:28 -08:00
Rimas Avizienis
886857fa47 writes of PC weren't being sign extended 2011-11-15 18:07:36 -08:00
Rimas Avizienis
fc0f20643a cleanup 2011-11-15 18:06:41 -08:00
Rimas Avizienis
ae98956e6b more amo fixes, added more options to testharness to control debug messages 2011-11-15 02:43:51 -08:00
Rimas Avizienis
82a636ff55 AMOADD, AMOAND, AMOOR, AMOSWAP working 2011-11-15 00:51:45 -08:00
Rimas Avizienis
48cec01710 updated riscv-bmarks and riscv-tests to build with new toolchain 2011-11-15 00:11:22 -08:00
Rimas Avizienis
db87924fbf made eret instruction take an illegal inst exception when ET is set 2011-11-14 14:35:10 -08:00
Rimas Avizienis
cd6e463320 added ei and di instructions 2011-11-14 13:48:49 -08:00
Rimas Avizienis
b791010bb1 flush.i invalidates I$ & ITLB, writing PTBR invalidates both TLBs 2011-11-14 04:13:13 -08:00
Rimas Avizienis
890bfa7c48 added IPIs and timer interrupts 2011-11-14 03:24:02 -08:00
Rimas Avizienis
5b29765917 synced up with supervisor mode state in latest ISA simulator 2011-11-14 01:37:20 -08:00
Rimas Avizienis
9d3471a569 more cache fixes, more test harness debug output 2011-11-13 23:32:18 -08:00
Rimas Avizienis
67c7e7e28f cache/tlb bugfixes, increased memory size to 256meg 2011-11-13 13:06:35 -08:00
Rimas Avizienis
29d44b8bc5 fixed typo that broke illegal instruction exception 2011-11-13 01:17:33 -08:00
Rimas Avizienis
7b3c34a341 regenerated instruction encodings using parse-opcodes 2011-11-13 00:59:02 -08:00
Rimas Avizienis
44419511b7 timer interrupt fixes 2011-11-13 00:32:08 -08:00
Rimas Avizienis
345f950eff added timer interrupt support 2011-11-13 00:27:57 -08:00
Rimas Avizienis
5f4b15b809 added ld/st misaligned exceptions 2011-11-13 00:03:17 -08:00
Rimas Avizienis
fbd44ea936 added checks for addresses > physical memory size, increased memsize to 64M 2011-11-12 23:39:43 -08:00
Rimas Avizienis
35af912bd2 cache optimizations, cleanup, and testharness improvement 2011-11-12 22:13:29 -08:00
Rimas Avizienis
91c252ad08 fixing output enable signals for data/tag SRAMs 2011-11-12 15:47:47 -08:00
Rimas Avizienis
83d90c4dab more itlb/dtlb/ptw fixes 2011-11-12 15:00:45 -08:00
Rimas Avizienis
73416f224b more tlb/ptw debugging 2011-11-12 00:25:06 -08:00
Rimas Avizienis
44926866b7 updated itlb 2011-11-11 18:48:34 -08:00
Rimas Avizienis
a1ce908541 dcache/dtlb overhaul 2011-11-11 18:18:47 -08:00
Rimas Avizienis
e4fa94aa27 checkpoint 2011-11-10 17:41:22 -08:00
Rimas Avizienis
f86d5b1334 cleanup, lots of minor fixes, added more PCR regs (COREID, NUMCORES), parameterized BTB 2011-11-10 11:26:13 -08:00
Rimas Avizienis
4bd0263a4a added misaligned instruction check, cleaned up badvaddr handling 2011-11-10 03:38:59 -08:00
Rimas Avizienis
603ede8bfe access faults now write badvaddr PCR register with faulting address 2011-11-10 02:46:09 -08:00
Rimas Avizienis
36aa4bcc9d moved exception handling from ex stage in dpath to mem stage in ctrl 2011-11-10 02:26:26 -08:00
Rimas Avizienis
fbfa356d2a fixed eret instruction 2011-11-10 00:37:00 -08:00
Rimas Avizienis
62407b4668 more tlb/ptw fixes 2011-11-10 00:23:29 -08:00
Rimas Avizienis
6664af3bc0 cleanup before adding dtlb 2011-11-09 23:27:29 -08:00
Rimas Avizienis
9aca403aa8 more itlb integration & cleanup 2011-11-09 23:18:14 -08:00
Rimas Avizienis
c29d2821b4 cleanup, fixes, initial commit for dtlb.scala 2011-11-09 21:54:11 -08:00
Rimas Avizienis
e96430d862 integrating ITLB & PTW 2011-11-09 14:52:17 -08:00
Rimas Avizienis
7130edac8d fix for flushed div/mul instructions 2011-11-07 01:03:47 -08:00
Rimas Avizienis
9d63087eb2 changed caches to use separate sram modules for tag and data arrays 2011-11-07 00:58:25 -08:00
Rimas Avizienis
4d64099103 cleanup 2011-11-04 20:52:21 -07:00
Rimas Avizienis
2db9ee12bc fixed eret instruction, hello world runs 2011-11-04 15:57:08 -07:00
Rimas Avizienis
4459935554 dcache fixes - all tests and ubmarks pass, hello world still broken 2011-11-04 15:40:41 -07:00
Rimas Avizienis
3a02028a35 fixes to exception and dcache miss/blocked handling 2011-11-02 13:32:32 -07:00
Rimas Avizienis
7a528d6255 fixes for div/mul hazard checking + cleanup 2011-11-01 23:14:34 -07:00
Rimas Avizienis
d8ffecf565 dcache fix 2011-11-01 22:10:06 -07:00
Rimas Avizienis
7479e085ec dcache loads working - 1/2 cycle load/use delay depending on load type 2011-11-01 22:04:45 -07:00
Rimas Avizienis
3b3d988fde dcache loads working - 1/2 cycle load/use delay depending on load type 2011-11-01 21:25:52 -07:00
Rimas Avizienis
2b67eee683 pipeline changes for replay on dcache miss 2011-11-01 19:05:27 -07:00