riscv/rocket-chip
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Author SHA1 Message Date
Andrew Waterman
6d1e82bddf Remove mtohost/mfromhost/mipi CSRs; stub out Rocket CSR port 2016-05-02 15:21:55 -07:00
Andrew Waterman
72731de25a Take a stab at the PRCI-Rocket interface 2016-05-02 15:20:33 -07:00
Andrew Waterman
000e20f937 Remove MIPI; make mip.MSIP read-only 
The PRCI block outside the core will provide IPIs eventually
 2016-05-02 15:18:41 -07:00
Andrew Waterman
83fa489cef Stop using HTIF CSR port 
The port itself is still present to keep other stuff compiling.
 2016-05-02 14:40:52 -07:00
Andrew Waterman
c4d2d29e80 Stub out debug module, rather than leaving it floating 2016-04-30 22:37:39 -07:00
Albert Ou
0ff4fd0ccd Fix IOMSHR to send finishes for stores 2016-04-30 22:20:29 -07:00
Andrew Waterman
46bbbba5e6 New address map 2016-04-30 20:59:36 -07:00
Andrew Waterman
695c4c5096 Support both Get and GetBlock on ROMSlave 2016-04-30 17:34:12 -07:00
Andrew Waterman
491184a8f8 ERET -> xRET; remove mcfgaddr 2016-04-30 17:32:51 -07:00
Andrew Waterman
5af98145b9 don't signal bad physical address on TLB miss 2016-04-30 17:31:46 -07:00
Albert Ou
6f052a740c Add TileLink BRAM slave 2016-04-29 14:10:44 -07:00
Andrew Waterman
d0aa4c722d More WIP on new memory map 2016-04-28 16:15:31 -07:00
Andrew Waterman
cae4265f3b Change mcfgaddr pointer 2016-04-28 16:14:05 -07:00
Andrew Waterman
e4ace55d77 Address Map refactoring 2016-04-28 16:12:35 -07:00
Andrew Waterman
1df68a25fd Address Map refactoring 2016-04-28 16:08:58 -07:00
Wei Song
ed5bdf3c23 print the base address of each SCR as indicated 2016-04-28 16:31:56 +01:00
Andrew Waterman
1f211b37df WIP on new memory map 2016-04-27 14:57:54 -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
81ff127dc3 Clean up TileLinkRecursiveInterconnect a bit 2016-04-27 14:53:11 -07:00
Andrew Waterman
c8b1f0801b Remove start address option from AddrMapEntries 
It appears to never be used, and clutters things.  The new invariant is
that AddrMaps are relative and AddrHashMaps are absolute.
 2016-04-27 14:52:05 -07:00
Andrew Waterman
d3dee2c6c6 support countSlaves on empty address maps 2016-04-27 14:51:52 -07:00
Andrew Waterman
87cecc336f Add new RTC as TileLink slave, not AXI master 2016-04-27 11:55:35 -07:00
Andrew Waterman
fb5c38c186 Handle invalidate_lr in cache arbiter, not tile 2016-04-27 11:22:04 -07:00
Andrew Waterman
b99db83e67 Avoid needless Vec generation 2016-04-27 00:28:39 -07:00
Andrew Waterman
8acec8eb36 Remove dead code from BTB 2016-04-27 00:28:12 -07:00
Andrew Waterman
eb0b5ec61e Remove stats CSR 2016-04-27 00:16:21 -07:00
Andrew Waterman
9044a4a4b7 Replace NastiROM with ROMSlave, which uses TileLink 
I'm not wedded to the name.
 2016-04-27 00:15:30 -07:00
Andrew Waterman
356efe2fd5 Simplify TileLink Narrower 
It's not necessary to use addr_beat to determine where to put the Grant
data.  Just stripe it across all lanes.

This also gets rid of a dependence on addr_beat in Grant.  If we move
towards a regime where TileLink is only narrowed, not widened, we may
be able to drop the field altogether.
 2016-04-26 16:44:54 -07:00
Andrew Waterman
fe8c91f620 Fix IOMSHR state machine bug 
Sending the finish too early causes the CPU response to get dropped.

attn @zhemao
 2016-04-26 15:32:25 -07:00
Andrew Waterman
5fd5b58743 Remove stats CSR 2016-04-26 15:31:32 -07:00
Andrew Waterman
d93677a343 Support larger cache sets when not using VM 2016-04-26 15:31:32 -07:00
Yunsup Lee
5dbf9640e2 Use TLB flush signal to I$ explicitly 2016-04-22 15:41:31 -07:00
Andrew Waterman
84fd45fd77 Pass TLB flush signal to I$ explicitly 2016-04-22 15:20:17 -07:00
Colin Schmidt
48170fd9aa add default cases to configs that use CDEMatchError 
this avoids filling in the stack trace every time
a config doesn't contain the parameter
 2016-04-22 12:14:58 -07:00
Wei Song
f6e44b1348 avoid logical to physical header conversion overflow 2016-04-22 17:47:34 +01:00
Howard Mao
f7af908969 put memory into the address map and no longer use MMIOBase 2016-04-21 18:53:16 -07:00
Howard Mao
b7527268bb use address map instead of MMIOBase to find size of memory 2016-04-21 18:44:39 -07:00
Howard Mao
5e793427eb use address map instead of MMIOBase 2016-04-21 15:38:43 -07:00
Howard Mao
f9de99ed40 changes to match junctions no-mmio-base 2016-04-21 15:35:37 -07:00
Howard Mao
6260ad56e8 stop using MMIOBase and encode cacheability in address map 2016-04-21 15:33:53 -07:00
Howard Mao
325d3671c4 add write data id field for AXI3 compat 2016-04-20 09:21:43 -07:00
Howard Mao
0cf6b1f118 merge ATOS changes from hurricane 2016-04-20 09:21:43 -07:00
Scott Beamer
c19931ba03 add technical report to readme 2016-04-19 16:17:50 -07:00
Yunsup Lee
4afc9c69a0 streamline sbt 2016-04-19 14:22:22 -07:00
Howard Mao
9b3faff5a5 add id field to write data channel in TL -> AXI converter 2016-04-19 09:46:31 -07:00
Howard Mao
1967186a96 add id field to NastiWriteDataChannel 2016-04-19 09:39:45 -07:00
Howard Mao
42c4d1e51f add NastiMemoryDemux 2016-04-19 09:39:15 -07:00
Howard Mao
0bf8d07aba make AtosSerializedIO clock divisible 2016-04-19 09:39:15 -07:00
Howard Mao
1dc8af894e fix serializer/deserializer and add Atos serdes/desser 2016-04-19 09:39:15 -07:00
Howard Mao
82cacfbc5e add NastiMemoryDemux to unit tests 2016-04-19 09:34:42 -07:00