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Commit Graph

54 Commits

Author SHA1 Message Date
Andrew Waterman
60bddddfe6 Merge sptbr and sasid 2016-06-17 18:29:05 -07:00
Andrew Waterman
e3c17b5f74 Add provisional breakpoint support 2016-06-08 20:19:52 -07:00
Andrew Waterman
9949347569 First stab at debug interrupts 2016-06-01 16:57:10 -07:00
Andrew Waterman
491184a8f8 ERET -> xRET; remove mcfgaddr 2016-04-30 17:32:51 -07:00
Andrew Waterman
739cf07637 Remove mtime/mtimecmp
The RTC is now a device that lives on the MMIO bus.
2016-04-27 14:54:51 -07:00
Andrew Waterman
bc15e8649e WIP on priv spec v1.9 2016-03-02 23:29:58 -08:00
Howard Mao
305185c034 send DMA requests through MMIO and get responses through CSRs 2016-01-29 14:51:56 -08:00
Andrew Waterman
0f092b9b59 Remove IPI network
This is now provided via MMIO.
2015-11-16 21:51:43 -08:00
Andrew Waterman
5e88ead984 Add pseudo-ops to instructions.scala 2015-09-28 11:52:27 -07:00
Andrew Waterman
049fc8dc24 Chisel3 compatibility: use BitPat for don't-cares
This one's hella ugly, but for the time being, idgaf.
2015-07-28 02:48:49 -07:00
Andrew Waterman
f2dcc40e67 Chisel3 compatibility changes 2015-07-27 12:42:20 -07:00
Andrew Waterman
5362e2bbbd New machine-mode timer facility 2015-07-05 16:38:49 -07:00
Andrew Waterman
f460cb6c54 Update to privileged architecture 1.7 2015-05-19 02:32:21 -07:00
Andrew Waterman
66388be1ce Merge [shm]call into ecall, [shm]ret into eret 2015-03-17 02:24:41 -07:00
Andrew Waterman
e85c54cc4b New privileged ISA implementation 2015-03-14 02:49:07 -07:00
Yunsup Lee
8abf62fae3 add LICENSE 2014-09-12 18:06:41 -07:00
Stephen Twigg
e90f2484aa Sync with riscv-opcodes (csr register mapping) 2014-04-08 15:48:37 -07:00
Andrew Waterman
54cbf0c4f1 Add (unused) RV32 CSRs 2014-03-15 17:33:17 -07:00
Andrew Waterman
a0389645b7 New FP encoding; improved FP implementation 2014-03-11 18:58:24 -07:00
Andrew Waterman
00bc1a2293 Add fclass.{s|d} instructions 2014-03-10 16:59:24 -07:00
Andrew Waterman
8e3ca609f7 Renumber uarch CSRs into custom CSR space 2014-02-14 17:40:00 -08:00
Andrew Waterman
e7a726fbac Make uarch counters read-only 2014-02-06 01:48:56 -08:00
Andrew Waterman
62e9313aef Add 16 microarchitectural counters 2014-02-06 00:13:02 -08:00
Andrew Waterman
6ba2c1abe5 Use auto-generated CAUSE constants 2014-01-21 15:01:54 -08:00
Andrew Waterman
c546f66404 Swap JAL/JALR encodings (again) 2014-01-13 00:54:49 -08:00
Andrew Waterman
da3135ac9b Begin integer unit clean-up
...to make it easier to generate the superscalar version of the core.
2013-12-09 15:06:13 -08:00
Andrew Waterman
924261e2b2 Update to new privileged ISA... phew 2013-11-25 04:35:15 -08:00
Yunsup Lee
68e270eeb2 fix slli/slliw encoding bug 2013-11-21 14:44:58 -08:00
Andrew Waterman
1d2f4f8437 New ISA encoding, AUIPC semantics 2013-09-21 06:32:40 -07:00
Andrew Waterman
25ab402932 swap JAL, JALR encodings 2013-09-15 04:29:06 -07:00
Andrew Waterman
88d1c47665 don't disassemble within chisel 2013-09-15 04:14:45 -07:00
Andrew Waterman
d053bdc89f Remove Hwacha from Rocket
Soon it will use the coprocessor interface.
2013-09-12 22:34:38 -07:00
Andrew Waterman
243c4ae342 sync up rocket with new isa 2013-09-12 03:44:38 -07:00
Andrew Waterman
d4a0db4575 Reflect ISA changes 2013-08-24 14:43:55 -07:00
Henry Cook
1a9e43aa11 initial attempt at upgrade 2013-08-12 10:39:11 -07:00
Henry Cook
9abdf4e154 Make compatible with scala 2.10. List.sort deprecated. Refactor constants into package object. 2013-07-23 20:27:58 -07:00
Andrew Waterman
95c5147dc5 Add RISC-V instruction disassembler 2013-06-13 10:31:04 -07:00
Andrew Waterman
50ccc20bf3 replace RDNPC with AUIPC 2013-04-22 04:20:15 -07:00
Andrew Waterman
8cbdeb2abf add LR/SC support 2013-04-04 17:07:09 -07:00
Henry Cook
dfdfddebe8 constants as traits 2012-10-07 22:20:03 -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
Andrew Waterman
54fa6f660d new supervisor mode 2012-03-24 13:03:31 -07:00
Yunsup Lee
aaed0241af get rid of vxcptwait 2012-03-21 15:09:04 -07:00
Andrew Waterman
c4a91303fb update vector fence names and encoding 2012-03-18 20:42:38 -07:00
Yunsup Lee
98e10ddc3c update vector exception instructions 2012-03-18 16:36:12 -07:00
Yunsup Lee
040d62f372 refactored vector exception handling interface 2012-03-13 23:45:34 -07:00
Yunsup Lee
5655dbd5da add vvcfg and vtcfg instructions 2012-03-13 23:45:34 -07:00
Yunsup Lee
44ff22a26f vector exception handler now handles prefetches correctly 2012-03-10 12:54:36 -08:00
Yunsup Lee
e28a551368 refactor code related to vector exceptions
- revisied interfaces
- new instructions
2012-03-03 15:15:00 -08:00
Yunsup Lee
94ba32bbd3 change package name and sbt project name to rocket 2012-02-25 17:09:26 -08:00