X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=arch%2Fpowerpc%2Fmm%2Fslb_low.S;h=abfaabf667bfb414b117429b9c6b9b101758c527;hb=2e1ca21d46aaef95101723fa402f39d3a95aba59;hp=3e18241b6f35218b65619762f63fc1867052aa83;hpb=085f20e481190cd0597d72ec49bffc07bda4c9be;p=pandora-kernel.git

diff --git a/arch/powerpc/mm/slb_low.S b/arch/powerpc/mm/slb_low.S
index 3e18241b6f35..abfaabf667bf 100644
--- a/arch/powerpc/mm/slb_low.S
+++ b/arch/powerpc/mm/slb_low.S
@@ -1,6 +1,4 @@
 /*
- * arch/ppc64/mm/slb_low.S
- *
  * Low-level SLB routines
  *
  * Copyright (C) 2004 David Gibson <dwg@au.ibm.com>, IBM
@@ -37,9 +35,9 @@ _GLOBAL(slb_allocate_realmode)
 
 	srdi	r9,r3,60		/* get region */
 	srdi	r10,r3,28		/* get esid */
-	cmpldi	cr7,r9,0xc		/* cmp KERNELBASE for later use */
+	cmpldi	cr7,r9,0xc		/* cmp PAGE_OFFSET for later use */
 
-	/* r3 = address, r10 = esid, cr7 = <>KERNELBASE */
+	/* r3 = address, r10 = esid, cr7 = <> PAGE_OFFSET */
 	blt	cr7,0f			/* user or kernel? */
 
 	/* kernel address: proto-VSID = ESID */
@@ -80,12 +78,17 @@ _GLOBAL(slb_miss_kernel_load_virtual)
 BEGIN_FTR_SECTION
 	b	1f
 END_FTR_SECTION_IFCLR(CPU_FTR_16M_PAGE)
+	cmpldi	r10,16
+
+	lhz	r9,PACALOWHTLBAREAS(r13)
+	mr	r11,r10
+	blt	5f
+
 	lhz	r9,PACAHIGHHTLBAREAS(r13)
 	srdi	r11,r10,(HTLB_AREA_SHIFT-SID_SHIFT)
-	srd	r9,r9,r11
-	lhz	r11,PACALOWHTLBAREAS(r13)
-	srd	r11,r11,r10
-	or.	r9,r9,r11
+
+5:	srd	r9,r9,r11
+	andi.	r9,r9,1
 	beq	1f
 _GLOBAL(slb_miss_user_load_huge)
 	li	r11,0
@@ -161,7 +164,7 @@ _GLOBAL(slb_allocate_user)
 /*
  * Finish loading of an SLB entry and return
  *
- * r3 = EA, r10 = proto-VSID, r11 = flags, clobbers r9, cr7 = <>KERNELBASE
+ * r3 = EA, r10 = proto-VSID, r11 = flags, clobbers r9, cr7 = <> PAGE_OFFSET
  */
 slb_finish_load:
 	ASM_VSID_SCRAMBLE(r10,r9)