xnu-344.tar.gz

[apple/xnu.git] / osfmk / ppc / cache.s

diff --git a/osfmk/ppc/cache.s b/osfmk/ppc/cache.s
index 5494446aa059e67c308fdec32603e042376cb8e0..0f3157714600076d7c1c29e93a2f7a6ca38ab0e4 100644 (file)
--- a/osfmk/ppc/cache.s
+++ b/osfmk/ppc/cache.s
@@ -46,6 +46,8 @@ ENTRY(sync_cache, TAG_NO_FRAME_USED)
 
        /* Switch off data translations */
        mfmsr   r6
+       rlwinm  r6,r6,0,MSR_FP_BIT+1,MSR_FP_BIT-1       ; Force floating point off
+       rlwinm  r6,r6,0,MSR_VEC_BIT+1,MSR_VEC_BIT-1     ; Force vectors off
        rlwinm  r7,     r6,     0,      MSR_DR_BIT+1,   MSR_DR_BIT-1
        mtmsr   r7
        isync
@@ -114,6 +116,8 @@ ENTRY(flush_dcache, TAG_NO_FRAME_USED)
        cmpwi   r5,     0
        mfmsr   r6
        beq+    0f
+       rlwinm  r6,r6,0,MSR_FP_BIT+1,MSR_FP_BIT-1       ; Force floating point off
+       rlwinm  r6,r6,0,MSR_VEC_BIT+1,MSR_VEC_BIT-1     ; Force vectors off
        rlwinm  r7,     r6,     0,      MSR_DR_BIT+1,   MSR_DR_BIT-1
        mtmsr   r7
        isync
@@ -174,6 +178,8 @@ ENTRY(invalidate_dcache, TAG_NO_FRAME_USED)
        cmpwi   r5,     0
        mfmsr   r6
        beq+    0f
+       rlwinm  r6,r6,0,MSR_FP_BIT+1,MSR_FP_BIT-1       ; Force floating point off
+       rlwinm  r6,r6,0,MSR_VEC_BIT+1,MSR_VEC_BIT-1     ; Force vectors off
        rlwinm  r7,     r6,     0,      MSR_DR_BIT+1,   MSR_DR_BIT-1
        mtmsr   r7
        isync
@@ -232,6 +238,8 @@ ENTRY(invalidate_icache, TAG_NO_FRAME_USED)
        cmpwi   r5,     0
        mfmsr   r6
        beq+    0f
+       rlwinm  r6,r6,0,MSR_FP_BIT+1,MSR_FP_BIT-1       ; Force floating point off
+       rlwinm  r6,r6,0,MSR_VEC_BIT+1,MSR_VEC_BIT-1     ; Force vectors off
        rlwinm  r7,     r6,     0,      MSR_DR_BIT+1,   MSR_DR_BIT-1
        mtmsr   r7
        isync