Commit Graph

26 Commits

Author SHA1 Message Date
David Harris
f5dab9f2fe Check for legal SATP mode values 2023-08-24 05:18:04 -07:00
Ross Thompson
00e65c4ae7 Oups there was a bug in the SATP fix. RV32GC was broken by the changes. 2023-08-23 09:42:46 -05:00
Jacob Pease
140d246fb5 Prevented writes to SATP enabling SV57. This follows the spec more accurately. Linux can now successfully probe SATP. 2023-08-22 16:25:56 -05:00
Ross Thompson
7e06775135 Fixed a very subtle combinational loop bug the SSTC implementation of csrs.sv. STIMCMPH did not assign all XLEN bits of CSRSReadValM so dc_shell produced d-latches and vivado created a combinational loop. 2023-07-28 11:20:29 -05:00
David Harris
b6ae5661b4 Added environment configuration control (menvcfg/senvcfg) of cbo instructions 2023-07-02 01:52:25 -07:00
Harshini Srinath
3593762cfa Merge branch 'main' into main 2023-06-14 11:52:45 -07:00
Harshini Srinath
3f8cd8932c Update csrs.sv
Program clean up
2023-06-13 22:16:43 -07:00
Harshini Srinath
120cde2aea Update csrs.sv
Program clean up
2023-06-12 19:53:41 -07:00
David Harris
b70b0c7c5e Added support for menvcfg and senvcfg, including menvcfg.STCE for supervisor timer compare 2023-06-09 14:40:01 -07:00
Ross Thompson
c7e515634d I think I've solved the slow down issue. Parameters can't be mixed with cvw_t and other types. 2023-05-26 13:56:51 -05:00
Ross Thompson
8cf38b28aa The privileged unit is parameterized using Lim's method. 2023-05-26 12:03:46 -05:00
David Harris
da53f240d3 Refactored InstrValidNotFlushed into CSR Write signals 2023-03-30 17:06:09 -07:00
David Harris
406bb22b6a Started factoring out InstrValidNotFlushed from CSRs 2023-03-30 14:56:19 -07:00
Kip Macsai-Goren
3805cf993a unnecessary comments cleanup 2023-03-29 19:32:57 -07:00
Kip Macsai-Goren
491ef14b71 Resolved ImperasDV receiving incorrect cause values 2023-03-29 15:04:56 -07:00
David Harris
9d8f9e4428 Reduced number of bits in mcause and medeleg registers 2023-03-29 07:02:09 -07:00
David Harris
2e238c15aa CSRS privileged coverage test 2023-03-28 04:37:56 -07:00
Ross Thompson
46b1bca4fc Fixed all tap/space issue in RTL. 2023-03-24 17:32:25 -05:00
David Harris
121d1cea62 Added csrwrites.S test case for privileged tests 2023-03-23 10:55:32 -07:00
David Harris
80fc851332 Fix Issue #142: SCOUNTEREN powers up at 1 instead of 0 2023-03-22 04:41:57 -07:00
David Harris
4cde207958 Fix Issue #120 about SIE/SIP being 0 unless MIDELEG bits are set. However, this fix breaks the wally32/64priv tests in regression. 2023-03-18 10:10:58 -07:00
Kip Macsai-Goren
a38f7cc8a1 added reset values to stime and stimecmp registers 2023-03-04 15:06:15 -08:00
David Harris
fe161f6bde Fixed missing assign when SSTC is not supported 2023-02-26 07:12:13 -08:00
David Harris
8895114152 Fixed SSTC being unusable in M-MODE without Status.TM. Disable STIMECMP registers when SSTC_SUPPORTED = 0 2023-02-26 06:30:43 -08:00
David Harris
5b370bdc0f Added SSTC support for supervisor timer compare, but presently disable support. Reenable for rv32gc and rv64gc after tests pass. 2023-02-16 07:37:12 -08:00
David Harris
78eb90715c Removed pipelined level of hierarchy 2023-02-02 14:14:11 -08:00