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4ab67a5eabbbbb65e01d95695bb4b6bcab1547b0
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380 Commits
Author SHA1 Message Date
jens 7892b38128 - added Cop instructions COP0 32, COP0 33, COP 34, COP0 35: 
ICACHE_invalidate_at, ICACHE_invalidate_all,
   DCACHE_invalidate_at, DCACHE_invalidate_all.

Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@412 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-03-28 18:24:35 +00:00
jens 2761d5926b - added timer inrterrupt 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@411 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-03-27 11:16:54 +00:00
jens 241658d3ba - removed idecode_rom.vhd 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@409 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-03-20 22:42:32 +00:00
jens 8054aedcb5 - 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@408 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-03-20 20:27:23 +00:00
jens dbff927a63 - cop ouput register is now latch (better timing) 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@407 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-03-20 19:15:11 +00:00
jens 52e9decf78 - added instructions 'lwc0' and 'swc0' for testing (which are usually invalid) 
- due to cop_reg_we in MEM_Stage, the output register is removed
  (timing is slightly degraded). The reg pointer is delayed instead by one cycle
- test-reg is now writable in user mode regardles of cop0 usability.
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@406 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-03-18 23:30:08 +00:00
jens 2dfce691ce - added instructions 'lwcz' and 'swcz'. 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@405 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-03-18 22:40:33 +00:00
jens c97b7cdf39 - Update 
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git-svn-id: http://moon:8086/svn/vhdl/trunk@404 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-03-18 10:08:05 +00:00
jens 7225dcfa87 - removed idecode_rom.vhd 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@403 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-03-17 09:49:57 +00:00
jens 1a0e8f08f5 - removed cop_reg_rd 
if cop is read is now implemented into instruction decoder
- generate 'stall_all' signal if ID/EX/MEM stall is active

Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@402 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-03-17 09:39:07 +00:00
jens b201db2193 - new signal 'cop_read' in ctrl_lines 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@401 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-03-17 09:37:39 +00:00
jens 5140d7a6fa - - removed cop_reg_rd 
if cop is read is now implemented into instruction decoder

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git-svn-id: http://moon:8086/svn/vhdl/trunk@400 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-03-17 09:36:58 +00:00
jens 9cb7ef5930 - more decoding of cop_signals. 
New cop_read is now implemented into instruction decoder

Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@399 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-03-17 09:36:33 +00:00
jens 4bf6b28c71 - removed 'reg_rd' which is fed into pipeline. 
if cop is read is now implemented into instruction decoder
- simplified use of stall signals
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git-svn-id: http://moon:8086/svn/vhdl/trunk@398 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-03-17 09:35:39 +00:00
jens e2c40b91a1 - added COPz debugging identifier 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@397 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-03-16 11:46:24 +00:00
jens 8d6a5af6c8 - deleted 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@396 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-03-16 11:35:42 +00:00
jens 4f99ce0c87 - added opcode debugging identfier MFCz, MTCz, CFCz, CTCz, BCTz, BCFz for COP functions 
- removed COPz debugging identifier

Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@395 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-03-16 11:34:40 +00:00
jens 81c8bf1897 - simplified instruction decoder and removed genrom functions 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@394 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-03-16 11:31:51 +00:00
jens e465dc860b - 'cop_dout' is now generated in pipeline in MEM_STAGE. 
This gives possibility to load cop with memory contents (LWCz).
- dmem_dout can be EX_STAGE.reg_b by default or cop_din if cop_instr_en is asserted.
  This give possibility to store cop content to memory (SWCz)
- removed idecode_rom. Uses opcode_ctrl_lines() directly.



Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@393 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-03-16 11:30:41 +00:00
jens 180dad1fe3 - cop uses 'din' directly without delay. 'Din' is now generated in pipeline in MEM_STAGE. 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@392 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-03-16 11:27:02 +00:00
jens c1d14214ac - new release 12 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@391 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-03-15 20:41:56 +00:00
jens 4f19324605 - added cop0 here 
- added cache line sizes to generic

Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@390 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-03-15 20:12:37 +00:00
jens ae421c7a15 - removed cop0 
- added interface for external cop0 and copz
- reworked cop_read and cop_write signals.
  Using only cop_read which is delay in pipeline


Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@389 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-03-15 20:11:47 +00:00
jens b44d2ba1f9 - common functions lg2() and po2() added 
- reworked cop0_ctrl_in/out types

Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@388 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-03-15 20:09:27 +00:00
jens a332b172b3 - cleaned up: removed lg2() and po2() to mips_types 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@387 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-03-15 20:08:16 +00:00
jens cd8b53c3f3 - added cache config to generic to create cache info in upper 16 bits PrID 
- unified control signals for later use with Copz
- 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@386 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-03-15 20:07:39 +00:00
jens 8282389078 - added cache line sizes to generic 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@385 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-03-15 20:05:51 +00:00
jens 2a5dd91588 - 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@384 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-03-15 02:37:24 +00:00
jens 09d21bef97 - added detail to jbus-timing 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@383 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-03-15 02:19:03 +00:00
jens ac89acfbeb - deleted 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@382 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-03-14 17:19:59 +00:00
jens 58f704112c - Cleanedup toolchain 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@381 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-03-14 17:19:29 +00:00
jens bd19ea587b - Uncached DMEM is now spec. conform from A0000000..BFFFFFFF (instead A0000000..AFFFFFFF) 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@378 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-03-08 14:06:39 +00:00
jens 538c115367 - 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@376 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-03-01 18:32:40 +00:00
jens ea356d50e3 - date set works now correctly 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@375 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-03-01 18:23:28 +00:00
jens 2c9f747259 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@374 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-03-01 18:13:20 +00:00
jens 15ba5e691f - new release 11 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@373 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-03-01 18:13:07 +00:00
jens 6b4a578ccc 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@372 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-03-01 17:51:24 +00:00
jens c3b72ca3a9 - reformatted exception dump 
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git-svn-id: http://moon:8086/svn/vhdl/trunk@371 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-03-01 17:49:49 +00:00
jens 32d5cf7674 - decrease RAM requirements 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@370 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-03-01 17:49:35 +00:00
jens 7cad6e874d - new target 'test_exception' 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@369 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-03-01 17:49:02 +00:00
jens a7387810b9 - regsiter zeroise before main() 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@368 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-03-01 17:48:44 +00:00
jens c5394b8b22 - 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@367 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-03-01 17:48:25 +00:00
jens 548c2b4e94 - removed interrupt polarity capabilty 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@366 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-02-28 13:17:32 +00:00
jens 92a1179fee - removed edge trigger capabilty 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@365 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-02-28 12:43:53 +00:00
jens 0f52e03f7b - removed xmem_wait 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@364 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-02-28 12:43:02 +00:00
jens 62e35386a5 - removed edge trigger capabilty 
- removed xmem_wait
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@363 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-02-28 12:42:44 +00:00
jens 15651ad162 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@362 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-02-16 22:55:34 +00:00
jens cae7d9eb39 - copies now mips_sys from templates 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@361 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-02-16 22:55:07 +00:00
jens 6ce723794d - inreased flash and sram to 32kB 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@360 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-02-16 22:53:30 +00:00
jens 8018a94936 - bug-fix: pc_is_branch is now initialized at reset (fixes CPU unrecoverable state after reset) 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@359 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-02-16 22:48:17 +00:00