X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=arch%2Farm%2Fkernel%2Fentry-armv.S;h=de4e331379013229082a76f86a3c314492ba206d;hb=c84cbb246e5a5235af30ddbe49d23bb1eaf64add;hp=86c92523a346704e7d94c7c1bc9660e5bc383aa6;hpb=bbe5d235ee201705530a7153b57e141cd77d818b;p=linux-2.6-omap-h63xx.git

diff --git a/arch/arm/kernel/entry-armv.S b/arch/arm/kernel/entry-armv.S
index 86c92523a34..de4e3313790 100644
--- a/arch/arm/kernel/entry-armv.S
+++ b/arch/arm/kernel/entry-armv.S
@@ -14,7 +14,6 @@
  *  Note:  there is a StrongARM bug in the STMIA rn, {regs}^ instruction that causes
  *  it to save wrong values...  Be aware!
  */
-#include <linux/config.h>
 
 #include <asm/memory.h>
 #include <asm/glue.h>
@@ -492,9 +491,15 @@ call_fpe:
 	b	do_fpe				@ CP#1 (FPE)
 	b	do_fpe				@ CP#2 (FPE)
 	mov	pc, lr				@ CP#3
+#ifdef CONFIG_CRUNCH
+	b	crunch_task_enable		@ CP#4 (MaverickCrunch)
+	b	crunch_task_enable		@ CP#5 (MaverickCrunch)
+	b	crunch_task_enable		@ CP#6 (MaverickCrunch)
+#else
 	mov	pc, lr				@ CP#4
 	mov	pc, lr				@ CP#5
 	mov	pc, lr				@ CP#6
+#endif
 	mov	pc, lr				@ CP#7
 	mov	pc, lr				@ CP#8
 	mov	pc, lr				@ CP#9
@@ -584,9 +589,7 @@ ENTRY(__switch_to)
 #ifdef CONFIG_MMU
 	mcr	p15, 0, r6, c3, c0, 0		@ Set domain register
 #endif
-#if defined(CONFIG_IWMMXT)
-	bl	iwmmxt_task_switch
-#elif defined(CONFIG_CPU_XSCALE)
+#if defined(CONFIG_CPU_XSCALE) && !defined(CONFIG_IWMMXT)
 	add	r4, r2, #TI_CPU_DOMAIN + 40	@ cpu_context_save->extra
 	ldmib	r4, {r4, r5}
 	mar	acc0, r4, r5
@@ -631,6 +634,14 @@ ENTRY(__switch_to)
  * purpose.
  */
 
+	.macro	usr_ret, reg
+#ifdef CONFIG_ARM_THUMB
+	bx	\reg
+#else
+	mov	pc, \reg
+#endif
+	.endm
+
 	.align	5
 	.globl	__kuser_helper_start
 __kuser_helper_start:
@@ -672,7 +683,7 @@ __kuser_memory_barrier:				@ 0xffff0fa0
 #if __LINUX_ARM_ARCH__ >= 6 && defined(CONFIG_SMP)
 	mcr	p15, 0, r0, c7, c10, 5	@ dmb
 #endif
-	mov	pc, lr
+	usr_ret	lr
 
 	.align	5
 
@@ -775,7 +786,7 @@ __kuser_cmpxchg:				@ 0xffff0fc0
 	mov	r0, #-1
 	adds	r0, r0, #0
 #endif
-	mov	pc, lr
+	usr_ret	lr
 
 #else
 
@@ -789,7 +800,7 @@ __kuser_cmpxchg:				@ 0xffff0fc0
 #ifdef CONFIG_SMP
 	mcr	p15, 0, r0, c7, c10, 5	@ dmb
 #endif
-	mov	pc, lr
+	usr_ret	lr
 
 #endif
 
@@ -831,16 +842,11 @@ __kuser_cmpxchg:				@ 0xffff0fc0
 __kuser_get_tls:				@ 0xffff0fe0
 
 #if !defined(CONFIG_HAS_TLS_REG) && !defined(CONFIG_TLS_REG_EMUL)
-
 	ldr	r0, [pc, #(16 - 8)]		@ TLS stored at 0xffff0ff0
-	mov	pc, lr
-
 #else
-
 	mrc	p15, 0, r0, c13, c0, 3		@ read TLS register
-	mov	pc, lr
-
 #endif
+	usr_ret	lr
 
 	.rep	5
 	.word	0			@ pad up to __kuser_helper_version