IPCores/lm32_cpu / file diff

diff: lm32_include.v

lm32_include.v

changeset 4
99b7b037ce82
parent 1
ae6035050124
child 5
35ebde37101f
     1.1 diff -r b153470d41c5 -r 99b7b037ce82 lm32_include.v
     1.2 --- a/lm32_include.v	Sun Apr 04 22:05:07 2010 +0100
     1.3 +++ b/lm32_include.v	Mon Apr 05 20:23:04 2010 +0100
     1.4 @@ -46,10 +46,11 @@
     1.5  `define CFG_SIGN_EXTEND_ENABLED
     1.6  `define CFG_MC_DIVIDE_ENABLED
     1.7  
     1.8 -// Bug in Mico32/Xst ?
     1.9 -// CFG_ICACHE_ASSOCIATIVITY=2 => works fine
    1.10 -// CFG_ICACHE_ASSOCIATIVITY=1 => disaster
    1.11 -// TODO: try with the expensive synthesizers
    1.12 +// [found by Milkymist dev'rs]
    1.13 +// Bug in Xst:
    1.14 +// CFG_ICACHE_ASSOCIATIVITY=2 => works in most cases (random crash on complex software)
    1.15 +// CFG_ICACHE_ASSOCIATIVITY=1 => disaster, CPU will not work at all
    1.16 +// Works 100% OK with expensive synthesizers.
    1.17  `define CFG_ICACHE_ENABLED
    1.18  `define CFG_ICACHE_ASSOCIATIVITY   2
    1.19  `define CFG_ICACHE_SETS            512