X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=arch%2Fppc64%2Fkernel%2Fentry.S;h=f0a12eaa3e2fb384082d01fa0dd3d79617b92a21;hb=c7b5ebbddf7bcd3651947760f423e3783bbe6573;hp=2d48d24e7ab809bffc695e4f06061d927d6f707d;hpb=a2c21200f1c81b08cb55e417b68150bba439b646;p=linux-2.6.git

diff --git a/arch/ppc64/kernel/entry.S b/arch/ppc64/kernel/entry.S
index 2d48d24e7..f0a12eaa3 100644
--- a/arch/ppc64/kernel/entry.S
+++ b/arch/ppc64/kernel/entry.S
@@ -122,7 +122,7 @@ SystemCall_common:
 	andi.	r11,r10,_TIF_SYSCALL_T_OR_A
 	bne-	syscall_dotrace
 syscall_dotrace_cont:
-	cmpli	0,r0,NR_syscalls
+	cmpldi	0,r0,NR_syscalls
 	bge-	syscall_enosys
 
 system_call:			/* label this so stack traces look sane */
@@ -204,7 +204,7 @@ syscall_enosys:
 
 syscall_error:
 	lbz	r11,TI_SC_NOERR(r12)
-	cmpi	0,r11,0
+	cmpwi	0,r11,0
 	bne-	syscall_error_cont
 	neg	r3,r3
 	oris	r5,r5,0x1000	/* Set SO bit in CR */
@@ -393,9 +393,17 @@ BEGIN_FTR_SECTION
 	cmpd	cr1,r6,r9	/* or is new ESID the same as current ESID? */
 	cror	eq,4*cr1+eq,eq
 	beq	2f		/* if yes, don't slbie it */
-	oris	r6,r6,0x0800	/* set C (class) bit */
-	slbie	r6
-	slbie	r6		/* Workaround POWER5 < DD2.1 issue */
+	oris	r0,r6,0x0800	/* set C (class) bit */
+
+	/* Bolt in the new stack SLB entry */
+	ld	r7,KSP_VSID(r4)	/* Get new stack's VSID */
+	oris	r6,r6,(SLB_ESID_V)@h
+	ori	r6,r6,(SLB_NUM_BOLTED-1)@l
+	slbie	r0
+	slbie	r0		/* Workaround POWER5 < DD2.1 issue */
+	slbmte	r7,r6
+	isync
+
 2:
 END_FTR_SECTION_IFSET(CPU_FTR_SLB)
 	clrrdi	r7,r8,THREAD_SHIFT	/* base of new stack */
@@ -738,6 +746,10 @@ _STATIC(rtas_restore_regs)
 	mtlr    r0
         blr				/* return to caller */
 
+#endif /* CONFIG_PPC_PSERIES */
+
+#ifdef CONFIG_PPC_MULTIPLATFORM
+
 _GLOBAL(enter_prom)
 	mflr	r0
 	std	r0,16(r1)
@@ -769,11 +781,8 @@ _GLOBAL(enter_prom)
 	std	r11,_MSR(r1)
 
 	/* Get the PROM entrypoint */
-        bl      .reloc_offset
-	LOADADDR(r12,prom)
-	sub	r12,r12,r3
-	ld	r12,PROMENTRY(r12)
-	mtlr	r12
+	ld	r0,GPR4(r1)
+	mtlr	r0
 
 	/* Switch MSR to 32 bits mode
 	 */
@@ -826,4 +835,4 @@ _GLOBAL(enter_prom)
 	mtlr    r0
         blr
 	
-#endif	/* defined(CONFIG_PPC_PSERIES) */
+#endif	/* CONFIG_PPC_MULTIPLATFORM */