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git-svn-id: http://moon:8086/svn/vhdl/trunk@520 cc03376c-175c-47c8-b038-4cd826a8556b
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jens
2009-10-17 13:15:51 +00:00
parent 584ac47a8a
commit 774fe348b5
1 changed files with 4 additions and 3 deletions
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lib/CPUs/MIPS/dist/tmpl/notes.txt
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@@ -34,14 +34,15 @@ Changes in release 12
Using NMI as reset is dangerous because periphery is not reseted.
Unitialized/unreseted periphery may cause trouble (e.g. firing unwanted interrupts)
- 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
- Bugfix: register bypass with same target register, used for unaligned loads (LWL, LWR), was incorrect.
Newlib's memcpy() (MIPS-optimized) uses this for unaligned copy.
Consectutive load instructions without nops using same target register (which is legal) 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.
or similar, lead to incorrect result. Now it's fixed.
-----------------------------------------------------------------
Changes in release 11