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21 Commits

Author SHA1 Message Date
bbracker
5e9a39e755 fixed bug where M mode was sensitive to S mode traps 2021-09-07 19:14:39 -04:00
Ross Thompson
4f3f26c5cb Switched ExceptionM to dcache to be just exceptions. 
Added test bench logic to hold forces until the W stage is unstalled.
 2021-08-13 15:53:50 -05:00
David Harris
e3bf8db80b trap.sv comment cleanup 2021-07-17 16:01:07 -04:00
David Harris
b2c2194478 trap.sv cleanup 2021-07-17 15:57:10 -04:00
David Harris
348e69c096 hptw: Removed NonBusTrapM from LSU 2021-07-17 15:24:26 -04:00
David Harris
49ec45d04d hptw: Removed NonBusTrapM from LSU 2021-07-17 15:22:24 -04:00
Ross Thompson
e17de4eb11 Separated interruptM into PendingInterruptM and InterruptM. The d cache now takes in both exceptions and PendingInterrupts. 
This solves the committedM issue.
 2021-07-14 15:00:33 -05:00
Ross Thompson
d85bf23af3 Merged several of the load/store/instruction access faults inside the mmu. 
Still need to figure out what is wrong with the generation of load page fault when dtlb hit.
 2021-07-06 13:43:53 -05:00
bbracker
7a652139b5 mcause test fixes and s-mode interrupt bugfix 2021-06-16 17:37:08 -04:00
David Harris
9dd3857c26 Fixed lint WIDTH errors 2021-06-09 20:58:20 -04:00
bbracker
5026a42fac * GPIO comprehensive testing 
* MEPC more aware if M stage has actually committed
* UART interrupt testing progress
* UART added read IIR side effect of lowering THRE intr
 2021-06-08 12:32:46 -04:00
bbracker
28abd28b1f fixed InstrValid signals and implemented less costly MEPC loading 2021-06-02 10:03:19 -04:00
Domenico Ottolia
830787e3e1 Make vectored interrupt trap handling work, and add tests for mtvec with vectored interrupts 2021-04-29 20:42:14 -04:00
ushakya22
de23edcfb9 fix to pcm bug 2021-04-29 15:21:08 -04:00
Thomas Fleming
5bff582608 Write PCM to TVAL registers 2021-04-22 16:17:57 -04:00
Domenico Ottolia
b1cd107a00 Add tests for scause and ucause 2021-04-15 19:41:25 -04:00
Domenico Ottolia
a149f2f3d8 Add support for vectored interrupts 2021-04-15 19:13:42 -04:00
bbracker
ccff1e6c99 rv64 interrupt servicing 2021-04-14 10:19:42 -04:00
David Harris
429f48e766 Rename ifu/dmem/ebu signals to match uarch diagram 2021-02-02 15:09:24 -05:00
David Harris
92bf1674b4 Moved fpu to temporary location to fix compile and cleaned up interface formatting 2021-02-01 23:44:41 -05:00
David Harris
07af481b67 Reorganized src hierarchically 2021-01-30 11:50:37 -05:00