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6f74cd16628cc51d847fc5f738aad942f73325d5
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236 Commits
Author SHA1 Message Date
jens 6f74cd1662 - removed register output latch (latch introduced global clock buffer, which is deprecated) 
- CPU is configured as BIG-endian
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@474 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-05-06 21:35:03 +00:00
jens f046307aa9 - removed reference to fifo_sync_dist. 
Use fifo_sync instead and specified ditributed ram_style
  in XCF-file during 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@473 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-05-06 21:30:23 +00:00
jens 0edf614e5e - removed reference to fifo_sync_dist. 
Use fifo_sync instead and specified ditributed ram_style
  in XCF-file during 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@472 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-05-06 10:36:58 +00:00
jens eabf73aa4f - renamed pc.is_branch:boolean to pc.branch_take:std_logic 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@471 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-05-05 22:07:19 +00:00
jens 3de1c312bb - removed register output latch (latch introduced global clock buffer, which is deprecated) 
- added separate reg_pointer for read/write
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@470 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-05-05 11:07:02 +00:00
jens 134119db33 - bugfix: ICACHE_invalidate_at() after user-break was missing 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@468 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-05-02 16:23:01 +00:00
jens f6ce6d39e7 - removed timer stuff 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@467 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-05-02 16:23:00 +00:00
jens fc342f5734 - added timer stuff 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@466 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-05-02 16:21:48 +00:00
jens 52a8946996 - added global EL/EB switch for convenient switching between endianess 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@465 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-05-02 16:20:33 +00:00
jens 22149e3dfd - added searchdirs 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@464 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-05-02 16:19:52 +00:00
jens b9bdef1e30 - bootloader is left in kernel-mode 
- improved flash error handling
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@463 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-05-02 16:19:31 +00:00
jens efa56c97f2 - added error macros 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@462 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-05-02 16:18:44 +00:00
jens a2a17fd24a - improved erase/program failure detection 
- added block_lock/unlock functions
- locked blocks are unlocked automatically during erase
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@461 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-05-02 16:18:20 +00:00
jens 66984e5b25 - added timer and error macros 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@460 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-05-02 16:16:49 +00:00
jens 4c309f1eef - SR(7 .. 0) are not writable in user-mode 
- registered 'ctrl_out.int' for 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@458 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-04-27 08:23:08 +00:00
jens 20dc046c75 - status register is always writable 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@457 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-04-19 17:57:33 +00:00
jens 2e57a02355 - changed Exception vector from 0x80000180 to 0x80000080 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@454 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-04-17 20:30:57 +00:00
jens ef6b247b01 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@453 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-04-17 20:30:56 +00:00
jens 68429fd3b0 - many new tests 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@452 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-04-15 14:13:41 +00:00
jens 917ceced01 - switched to big-endian biuld 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@451 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-04-15 14:13:00 +00:00
jens 69a654f218 - added gunzip, life and r3 
- switched to big-endian biuld
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@450 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-04-15 14:12:42 +00:00
jens 83d260fc0d - 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@449 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-04-15 14:11:46 +00:00
jens 79de05d54c 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@448 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-04-15 14:11:45 +00:00
jens be038f16ba - changed irg-handler prototype: irq-handler now obtain pointer to exception context 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@447 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-04-15 14:06:30 +00:00
jens 4452820f09 - added function to register exception handlers 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@446 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-04-15 14:05:33 +00:00
jens 133df33e35 - increased exception stack frame 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@445 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-04-15 14:04:59 +00:00
jens 47d5b9ac7f - removed unportable clock() used time() instead 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@444 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-04-15 14:04:21 +00:00
jens 1be58489b0 - added function for I/D-cache invalidate 
- added functions for LWC0 and SWC0
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@443 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-04-15 14:03:20 +00:00
jens cf72d81cd3 - 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@442 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-04-15 14:02:10 +00:00
jens 0b1cd9b7b1 - added PrintBuffer8() and memdump() 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@441 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-04-15 14:01:08 +00:00
jens f3ee78329b - uart_baud rate is now written as DWORD 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@440 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-04-15 14:00:29 +00:00
jens 842553943a - added switch EB/EL to switch endianess 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@439 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-04-15 13:56:58 +00:00
jens a00c0c1a0d - added call to debugger init routine 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@438 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-04-15 13:46:27 +00:00
jens 30340bd6cf - added mixed I/D exceptions (13, 14) 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@437 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-04-15 13:46:00 +00:00
jens 4372265ee2 - added big-endian to lib-searchpath 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@436 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-04-15 13:43:41 +00:00
jens e19528b20f - added support functions: 
flash_aligned_addr_by...() to obtain block aligned addresses
- removed query in flash_find due to stack-problems
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@435 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-04-15 13:41:41 +00:00
jens 893e93530d - 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@434 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-04-15 13:39:59 +00:00
jens 2fb198d941 - added port 'eb' for Endian-big selection 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@433 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-04-15 13:23:30 +00:00
jens d3c322ca48 - bugfix: wrong 'pa_offset' when big-endian and half-word load/store 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@431 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-04-15 13:22:31 +00:00
jens a3c4ba6e82 - minor improvements for load/store shifter 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@430 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-04-15 13:21:39 +00:00
jens f34847adb1 - some new control signals in cop0_ctrl 
- added exc-Flag in WB_stage
- simplified int signals

Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@428 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-04-11 08:37:11 +00:00
jens b5b15b90e2 - Int-port is now at cop instead of 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@427 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-04-11 08:35:46 +00:00
jens d3e486b6d5 Reworked exception FSM: 
- Pipeline is now flushed and finished and all dependencies are solved before entering exception handler
  - User mode writes on status register are now correctly finished before status is altered by exception
  - Processor stalls for 2 cycles after RFE to ensure that status register is correct in user mode
- Added int-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@426 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-04-11 08:34:50 +00:00
jens ae50048039 - reworked exception stuff 
- removed int-port (it's now in cop)

Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@425 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-04-11 08:30:41 +00:00
jens a94fb20d4f - 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@424 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-04-07 07:16:11 +00:00
jens 5b9f651efe -Mips-Pipeline stages: added missing register for PC-Branch 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@423 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-04-06 11:14:28 +00:00
jens 68ba887854 -Mips-Pipeline: added missing register for PC-Branch 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@422 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-04-06 10:35:48 +00:00
jens 6983e7ebec - removed weird feature, which prevents cop registers to be written in front of exception. 
cop register behavior is now hopefully the same as general registers.
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@421 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-03-30 23:29:33 +00:00
jens 2e1850c19b - redesigned 
- added invalidate_all and invalidate_at control
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@420 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-03-30 22:26:15 +00:00
jens 599380bd10 - 'dcache_en' now doesn't depend on CYC_O_dmem_rd or write_busy 
Committed on the Free edition of March Hare Software CVSNT Server.
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git-svn-id: http://moon:8086/svn/vhdl/trunk@419 cc03376c-175c-47c8-b038-4cd826a8556b
 2009-03-30 22:25:29 +00:00