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183 Commits
Author SHA1 Message Date
jens f541f84db1 - cleaned up NOPs 
git-svn-id: http://moon:8086/svn/vhdl/trunk@1094 cc03376c-175c-47c8-b038-4cd826a8556b
 2015-05-16 17:16:22 +00:00
jens 4e66c8c1c8 - better reset values for pipe regs 
- WB_stall is stall_all. More WB signal are stalled, may have functional impact or not

git-svn-id: http://moon:8086/svn/vhdl/trunk@1093 cc03376c-175c-47c8-b038-4cd826a8556b
 2015-05-16 17:02:11 +00:00
jens 02e2f89308 - renamed signals 
git-svn-id: http://moon:8086/svn/vhdl/trunk@1092 cc03376c-175c-47c8-b038-4cd826a8556b
 2015-05-16 16:53:19 +00:00
jens 833c2cfd5d - del 
git-svn-id: http://moon:8086/svn/vhdl/trunk@1088 cc03376c-175c-47c8-b038-4cd826a8556b
 2015-05-15 18:56:52 +00:00
jens fde16498ad - added 
git-svn-id: http://moon:8086/svn/vhdl/trunk@1086 cc03376c-175c-47c8-b038-4cd826a8556b
 2015-05-15 18:54:55 +00:00
jens 19183aabc8 - del 
git-svn-id: http://moon:8086/svn/vhdl/trunk@1085 cc03376c-175c-47c8-b038-4cd826a8556b
 2015-05-15 18:53:24 +00:00
jens 691706ef57 - cleaned up unused signals 
- fixed sensitivity list issues

git-svn-id: http://moon:8086/svn/vhdl/trunk@1084 cc03376c-175c-47c8-b038-4cd826a8556b
 2015-05-15 16:36:33 +00:00
jens b06aab0b3c [MIPS] 
- removed propagation delays from core source
- default 1kWord I/D-Cache

git-svn-id: http://moon:8086/svn/vhdl/trunk@1081 cc03376c-175c-47c8-b038-4cd826a8556b
 2015-05-14 16:13:08 +00:00
jens ff20480866 [TB] 
- use correct hello.elf.flash.bin

git-svn-id: http://moon:8086/svn/vhdl/trunk@1080 cc03376c-175c-47c8-b038-4cd826a8556b
 2015-05-14 11:00:20 +00:00
jens 2d7ca921d4 [tb_mips_top] 
- hello working

git-svn-id: http://moon:8086/svn/vhdl/trunk@1075 cc03376c-175c-47c8-b038-4cd826a8556b
 2015-02-07 08:00:29 +00:00
jens b26c0b526c - renamed (CVS didn't rename it) 
git-svn-id: http://moon:8086/svn/vhdl/trunk@1040 cc03376c-175c-47c8-b038-4cd826a8556b
 2014-07-23 20:00:33 +00:00
jens 6246a78478 - added 
git-svn-id: http://moon:8086/svn/vhdl/trunk@1039 cc03376c-175c-47c8-b038-4cd826a8556b
 2014-07-23 19:58:05 +00:00
jens b85b41e65d - reverted debug back to unsigned 
git-svn-id: http://moon:8086/svn/vhdl/trunk@1037 cc03376c-175c-47c8-b038-4cd826a8556b
 2014-07-23 19:56:08 +00:00
jens f81cd4018f - debug output reverted to unsigned vector 
-> (record doesnt work for netlist synthesis)
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@1020 cc03376c-175c-47c8-b038-4cd826a8556b
 2013-08-24 11:44:56 +00:00
jens f3f42c7c14 Initial revision 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@1005 cc03376c-175c-47c8-b038-4cd826a8556b
 2013-08-18 08:09:26 +00:00
jens 242631375f Branch entry: 
- use mapped addresses
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@1004 cc03376c-175c-47c8-b038-4cd826a8556b
 2013-08-18 08:06:06 +00:00
jens c0bf39885e - debug output is now record 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@999 cc03376c-175c-47c8-b038-4cd826a8556b
 2013-08-18 07:07:27 +00:00
jens ae123fadc7 - change instructionamesfor nop and illegal 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@997 cc03376c-175c-47c8-b038-4cd826a8556b
 2013-08-10 17:24:44 +00:00
jens 2a83979a5b - added WE_I for rom 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@988 cc03376c-175c-47c8-b038-4cd826a8556b
 2013-07-28 19:51:04 +00:00
jens 1926d23b44 - avoid of undefined data in forwarding logic during simulation. 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@982 cc03376c-175c-47c8-b038-4cd826a8556b
 2013-07-20 18:41:32 +00:00
jens f002777772 - cleaned up. 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@981 cc03376c-175c-47c8-b038-4cd826a8556b
 2013-07-20 18:39:46 +00:00
jens 280db0f521 - uses now new generic DPRAMs 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@942 cc03376c-175c-47c8-b038-4cd826a8556b
 2013-02-09 09:26:12 +00:00
jens 4a1d1df404 - added dedicated cpu_clk 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@927 cc03376c-175c-47c8-b038-4cd826a8556b
 2011-07-24 07:04:09 +00:00
jens 03c23a0271 Initial version 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@926 cc03376c-175c-47c8-b038-4cd826a8556b
 2011-07-24 06:56:28 +00:00
jens 1a4f894996 - increased revision to R13 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@793 cc03376c-175c-47c8-b038-4cd826a8556b
 2010-03-13 16:49:12 +00:00
jens fcce3dcf32 - made GPIO 0 bidirectional (added GPIO_DIR register) 
- removed GPIO 1
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@792 cc03376c-175c-47c8-b038-4cd826a8556b
 2010-03-13 16:46:21 +00:00
jens aad1f852b5 - improved instant_raw logic. Less false alarms 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@769 cc03376c-175c-47c8-b038-4cd826a8556b
 2010-03-11 11:36:10 +00:00
jens 148c71d2b4 update 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@759 cc03376c-175c-47c8-b038-4cd826a8556b
 2010-03-07 16:11:03 +00:00
jens 9bf3b46cf3 - added generic 'simulate_tx' for output of TX-Data into simulation log 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@758 cc03376c-175c-47c8-b038-4cd826a8556b
 2010-03-07 16:10:57 +00:00
jens c6983bd768 - added MRDY_O for I/D-Cache 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@757 cc03376c-175c-47c8-b038-4cd826a8556b
 2010-03-07 16:00:53 +00:00
jens e5f5e1d0e3 Initial version 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@756 cc03376c-175c-47c8-b038-4cd826a8556b
 2010-02-22 19:48:45 +00:00
jens daed8e12a0 - cleaned up 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@753 cc03376c-175c-47c8-b038-4cd826a8556b
 2010-02-14 15:44:22 +00:00
jens 5889dc2d4a - added new FIFO generics 
- no STB_O if Bus input FIFO full.
  => Bus out FIFO is read if SRDY_I = '1'  and MRDY_O = '1'
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@748 cc03376c-175c-47c8-b038-4cd826a8556b
 2010-02-11 21:56:03 +00:00
jens 385aa5e008 - changed frequencies into MHz units (real data type) 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@733 cc03376c-175c-47c8-b038-4cd826a8556b
 2010-02-09 07:25:49 +00:00
jens c42c0ba5b8 - added asynchronous BUS FIFOs 
- added cpu_clk
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@726 cc03376c-175c-47c8-b038-4cd826a8556b
 2010-02-07 19:12:19 +00:00
jens e0e8566bec - made time specs in nano seconds 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@725 cc03376c-175c-47c8-b038-4cd826a8556b
 2010-02-07 19:11:55 +00:00
jens 7f8a82d9ba - added asynchronous BUS FIFOs 
- added cpu_clk
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@724 cc03376c-175c-47c8-b038-4cd826a8556b
 2010-02-07 19:01:33 +00:00
jens 2e3f14ea17 - added 16-depth Bus input FIFO (2 cycles additional latency) 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@709 cc03376c-175c-47c8-b038-4cd826a8556b
 2010-02-06 14:07:47 +00:00
jens 0b403e7a58 Minor changes 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@708 cc03376c-175c-47c8-b038-4cd826a8556b
 2010-02-06 13:16:05 +00:00
jens 1f387fdd75 - Loads image for bugfix: instructions uncached LW => cached LW (with cache-miss) was buggy. 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@682 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-11-24 11:35:08 +00:00
jens 21b41da6e2 - bugfix: instructions uncached LW => cached LW (with cache-miss) was buggy. 
Symptoms:
  ...
1.: lw     $a0, 32($s0)  # Uncached load from memory mapped I/O
2.: lw     $a2, 4($v0)   # Cached load and cache-miss.
                                  # $a0 receives same value as $a2.
                                  # CPU skips writing $a0 due to busy flag of D-Cache,
                                  # which is already active in the previous cycle
...

Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@681 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-11-24 11:33:37 +00:00
jens 3eef19bb28 - removed unused 'en' pin. 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@680 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-11-24 11:30:36 +00:00
jens 2db39f4504 - zero lead-in / lead-out, 
but added 4 cycles relelease necessary for writes. See tWR in datasheet)
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@568 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-10-30 13:55:06 +00:00
jens a38101e448 - Minor changes 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@566 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-10-30 12:27:36 +00:00
jens e85aded32a update 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@565 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-10-30 12:27:18 +00:00
jens 9ad3c6cd4e - now 30 ns 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@562 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-10-29 22:57:11 +00:00
jens a3d54edf64 - added 'page_mode_en' for async_port 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@551 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-10-28 22:45:36 +00:00
jens 9ea208eaf0 -added new page_read parameters 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@550 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-10-28 22:45:24 +00:00
jens 6da937fe58 - flash has access time of 25 ns 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@548 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-10-28 10:43:27 +00:00
jens 1d72b92b46 - Booting from Flash is now from cached area (faster) 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@547 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-10-27 23:46:07 +00:00