jens/vhdl
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

update

Browse Source 
Committed on the Free edition of March Hare Software CVSNT Server.
Upgrade to CVS Suite for more features and support:
http://march-hare.com/cvsnt/


git-svn-id: http://moon:8086/svn/vhdl/trunk@518 cc03376c-175c-47c8-b038-4cd826a8556b
This commit is contained in:
jens
2009-10-17 12:58:15 +00:00
parent 6ac97e7bf3
commit 8159135dfd
1 changed files with 8 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files
lib/CPUs/MIPS/dist/tmpl/notes.txt
Vendored
+8
View File
@@ -34,6 +34,14 @@ Changes in release 12
Using NMI as reset is dangerous because periphery is not reseted. Using NMI as reset is dangerous because periphery is not reseted.
Unitialized/unreseted periphery may cause trouble (e.g. firing unwanted interrupts) Unitialized/unreseted periphery may cause trouble (e.g. firing unwanted interrupts)
- Bootloader: Startup now invalidates I/D-Caches at boot - Bootloader: Startup now invalidates I/D-Caches at boot
- Bugfix: register bypass with same target register, used for unaligned loads (LWL, LWR), was incorrect. Newlib's memcpy() (MIPS-optimized) uses this.
Consectutive load instructions without nops (which is legal) using same target register like
lw $1, 0(mem)
lwl $1, 1(mem)
or
lwl $1, 0(mem)
lwr $1, 1(mem)
or similar, lead to incorrect result. Now it'S fixed.
----------------------------------------------------------------- -----------------------------------------------------------------
Changes in release 11 Changes in release 11