diff options
| author | aurel32 <aurel32@c046a42c-6fe2-441c-8c8c-71466251a162> | 2009-03-29 13:36:32 +0000 |
|---|---|---|
| committer | aurel32 <aurel32@c046a42c-6fe2-441c-8c8c-71466251a162> | 2009-03-29 13:36:32 +0000 |
| commit | bf1752ef58cd9bd83d21d434f24197c6650bbd9e (patch) | |
| tree | b7b9423f974f7feadb63df6c8c896da5c0a67296 /target-ppc/helper.c | |
| parent | 004efc967ba93b9c3b59aef9e3fc63019fd60244 (diff) | |
target-ppc: Explain why the whole TLB is flushed on SR write
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6947 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'target-ppc/helper.c')
| -rw-r--r-- | target-ppc/helper.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/target-ppc/helper.c b/target-ppc/helper.c index 80b53ebcba..a0d884ee1e 100644 --- a/target-ppc/helper.c +++ b/target-ppc/helper.c @@ -2009,6 +2009,8 @@ void ppc_store_sr (CPUPPCState *env, int srnum, target_ulong value) #endif if (env->sr[srnum] != value) { env->sr[srnum] = value; +/* Invalidating 256MB of virtual memory in 4kB pages is way longer than + flusing the whole TLB. */ #if !defined(FLUSH_ALL_TLBS) && 0 { target_ulong page, end; |