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Code Issues Releases Wiki Activity
206 Commits 11 Branches 9 Tags
Commit Graph

22 Commits

Author SHA1 Message Date
Olof Kindgren
1d311edb7d Make counter internal in serv_state 2020-04-15 10:29:50 +02:00
Olof Kindgren
09c7d6dbbf Remove FSM from serv_state 2020-04-05 00:22:44 +02:00
Olof Kindgren
8dd75fa752 Stop using states in logic expressions 2020-04-04 23:44:29 +02:00
Olof Kindgren
6b0e4fb3ea Disable misalignment traps when CSR is disabled 2020-03-27 08:55:34 +01:00
Olof Kindgren
726e520cce Fix lint warnings when CSR is disabled 2020-03-25 23:32:12 +01:00
Olof Kindgren
b48b02b8df Add parameter to disable CSR/interrupts 
Also disables timer in servant if CSR/interrupts are disabled
 2020-03-02 16:17:26 +01:00
Olof Kindgren
7f16f17ca5 Optimize CSR immediate handling 2020-02-19 10:02:48 +01:00
Olof Kindgren
badcd7ea55 Remove duplicate signals in serv_state 2020-02-17 23:48:39 +01:00
Olof Kindgren
5aa1fbe709 Stop depending on run state 2019-12-08 22:51:28 +01:00
Olof Kindgren
b516c10d72 Prepare for RF write on RF read request and optimize state FSM 2019-12-07 23:01:24 +01:00
Olof Kindgren
fc348f3a22 Fix wen delays in rf 2019-11-20 18:26:04 +01:00
Olof Kindgren
40000cbeb9 Fix IRQ 
This contains a lot of fixes as IRQ support was broken on both
RTL and zephyr side

* Interrupts are now synced to instruction lifetimes
* Interrupts are disabled on traps and mie is pushed to mpie
* Zephyr applications regenerated from rewritten Zephyr port
* Timer is 32-bit to avoid wrapping around too often
* MEPC was not read properly from CSR storage
 2019-11-19 11:06:50 +01:00
Olof Kindgren
8bc54a99ad Move mcause generation to serv_csr 2019-09-26 23:36:02 +02:00
Olof Kindgren
0f767ad2d3 Gate mem_misalign in mem_if 2019-09-26 23:23:42 +02:00
Olof Kindgren
5b96b3a938 Simplify jump flag 2019-09-26 23:12:07 +02:00
Olof Kindgren
126937f16a Rewrite RF and state machine 
Big patch, but would take more work to split it up
 2019-09-26 23:09:22 +02:00
Olof Kindgren
ca2beaf786 Pass rf_rreq through serv_state 2019-09-26 22:59:46 +02:00
Olof Kindgren
3d6eb3feca Separate rf_ready and dbus_ack 2019-09-26 22:59:46 +02:00
Olof Kindgren
920ad92bc7 Remove unused rs_en signal 2019-09-16 10:45:42 +02:00
Olof Kindgren
6518b5f30f Simplify bufreg_hold 2019-09-16 09:05:47 +02:00
Olof Kindgren
ef7706f26b Simplify two-stage signalling 2019-09-16 09:03:02 +02:00
Olof Kindgren
9575eb4fef Separate decode and state 2019-09-15 23:25:10 +02:00