Hardware/VexRiscv
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Author SHA1 Message Date
Charles Papon
fd42e7701e Add hardware AMO, require AMO=yes in sim and withAmo=true in linux.scala 2019-04-09 01:22:32 +02:00
Charles Papon
21cb8615fd Clean and fix things to get all the non-linux configs and machine only configs working 2019-04-08 16:06:05 +02:00
Charles Papon
32921491b8 #60 Fix instruction cache refill 2019-04-08 14:24:37 +02:00
Charles Papon
fd15a938c5 #60 Fix machine mode emulator atomic emulation. Do not write regfile if the page was set as read only. 2019-04-08 13:20:56 +02:00
Charles Papon
c2595273ec Add a busy flag from MMU ports 
iBus/dBus now halt on MMU busy, which avoid looping forever on page fault
 2019-04-08 11:38:40 +02:00
Charles Papon
f89ee0d422 #60 Fix MMU holding invalid tlb, while linux is assuming it isn't doing so. 2019-04-07 15:44:25 +02:00
Charles Papon
ffafc27104 Merge branch 'linuxDev' into linux 2019-04-06 02:01:08 +02:00
Charles Papon
6df3e57843 workaround Verilator comparaison linting 2019-04-06 02:00:47 +02:00
Charles Papon
21b4ae8f2f update todo, nothing todo ? everything done ? 2019-04-06 01:42:01 +02:00
Charles Papon
e7f3dd5553 Rework CsrPlugin exception delegation 2019-04-05 23:40:39 +02:00
Charles Papon
ddf0f06834 Add more delegation tests 
Reduce dcache test duration
 2019-04-05 22:56:12 +02:00
Charles Papon
acaa931e11 Rework CsrPlugin interrupt delegation 2019-04-05 22:55:42 +02:00
Charles Papon
9e72971ff0 Move user mode page fault checkes from iBus/dBus plugin into the MmuPlugin 
SUM was in fact already supported
 2019-04-05 21:34:44 +02:00
Charles Papon
82c894932a update todolist 2019-04-05 20:04:28 +02:00
Charles Papon
aeb418a99e Add dcache tests 2019-04-05 20:03:22 +02:00
Charles Papon
5a6665e57f Fix DataCache flush on the last line 2019-04-05 20:02:57 +02:00
Charles Papon
8459d423b8 add icache flush test 2019-04-05 18:11:33 +02:00
Charles Papon
60a41bfc75 rework i$ flush 2019-04-05 18:11:10 +02:00
Charles Papon
f5d4e745c7 Look like precise fence.i isn't required in practice 2019-04-05 18:08:25 +02:00
Charles Papon
446e9625af Centralised all todo in linux.scala 
Sorted out fence fence.i instruction in iBus/dBus plugins.
Fixed MMU permitions while in used mode and bypassing the MMU
 2019-04-05 12:17:29 +02:00
Charles Papon
888e1c0b8a Fix RVC instruction cache xtval allignement 2019-04-05 01:08:57 +02:00
Charles Papon
8e6010fd71 Got the debug plugin working with the linux config (had to disable CSR ebreak) 2019-04-05 00:25:27 +02:00
Charles Papon
4f0a02594c Change LR/SC to reserve the whole memory 
Fix MPP access from other plugins
Got all the common configuration to compile and pass regression excepted the debugger one
First synthesis results
 2019-04-04 20:34:35 +02:00
Charles Papon
f8b438d9dc cleaning 2019-04-04 12:59:08 +02:00
Charles Papon
de1c9c6fea Removing D$ reports 2019-04-03 14:47:00 +02:00
Charles Papon
3f7a859e07 Got multiway I$ D$ running linux fine. 2019-04-03 14:33:35 +02:00
Charles Papon
922c18ee49 Add data cache flush feature 2019-04-03 15:56:58 +02:00
Charles Papon
066f562c5e Got the MMU refilling itself with datacache cached memory access instead of io accesses 2019-04-03 14:32:21 +02:00
Charles Papon
8be40e637b #60 Got the new data cache design passing all tests and running linux 2019-04-02 23:44:53 +02:00
Charles Papon
fd4da77084 #60 Got the new instruction cache design passing the standard regressions 2019-04-02 00:26:53 +02:00
Charles Papon
bc0af02c97 #60 Got instruction cache running linux :D 2019-04-01 11:59:04 +02:00
Charles Papon
1dff9aff8a #60 Fix interrupt causing fetch privilege issues 2019-04-01 10:47:54 +02:00
Charles Papon
e74a5a71eb Better simulation console integration 2019-04-01 10:31:55 +02:00
Charles Papon
369a3d0f5f #60 Sync everything, added much comment on the top of Linux.scala to help reproduce 2019-03-31 23:43:56 +02:00
Charles Papon
c7314cc606 Got buildroot login, userspace, commands working 
Moved location of DTB, initrd. Will move again
Added getChar SBI in emulator
Added an QEMU mode in the emulator config.h, work with qemu riscv32 virt
 2019-03-31 15:17:45 +02:00
Dolu1990
de500ad8f9 Add qemu command 2019-03-30 18:29:17 +01:00
Dolu1990
9383445e0b Add a qemu option (wip) 2019-03-30 18:26:44 +01:00
Charles Papon
1a36f2689d #60 Fix software model. Forgot physical address for on RVC instruction 2019-03-30 11:24:29 +01:00
Charles Papon
29980016f3 #60 Fix instruction fetch exception PC by forcing LSB to be zero 2019-03-30 10:10:25 +01:00
Dolu1990
9fff419346 Better fix 2019-03-29 09:18:44 +01:00
Dolu1990
391cff69d3 #60 should fix the first instruction fetch privilege after interrupt 2019-03-29 09:02:44 +01:00
Dolu1990
0c48729611 Sync impact less changes (asfar i know) 2019-03-29 08:43:15 +01:00
Dolu1990
9ac4998478 Fix emulator nested exception redirection privilege 2019-03-28 00:38:38 +01:00
Dolu1990
ac06111163 Fix MMU MPRV, Fix emulator nested exception 2019-03-27 22:58:30 +01:00
Dolu1990
0bed511a6c Fix cacheless LR/SC xtval, did some SRC/ADD_SUB/ALU redesign 2019-03-27 18:58:02 +01:00
Dolu1990
43c3922a3d Add prerequired stuff 2019-03-27 10:55:20 +01:00
Dolu1990
f113946e66 Added a neutral LINUX_SOC for sim purposes 2019-03-27 10:53:41 +01:00
Dolu1990
b69c474fa2 #60 user space reached 
/sbin/init: error while loading shared libraries: libm.so.6: cannot stat shared object: Error 38
 2019-03-27 00:26:51 +01:00
Dolu1990
94fc2c3ecf Fix some models missmatch 
Add more SBI
Add hardware LR/SC support in dbus cacheless
 2019-03-26 01:25:18 +01:00
Dolu1990
1c3fd5c38b Fix mprv and add it into the softare model 2019-03-25 12:03:32 +01:00