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authorFrederic Weisbecker <fweisbec@gmail.com>2009-09-23 23:08:43 +0200
committerFrederic Weisbecker <fweisbec@gmail.com>2009-09-23 23:08:43 +0200
commitd7a4b414eed51f1653bb05ebe84122bf9a7ae18b (patch)
treebd6603a0c27de4c138a1767871897e9cd3e1a1d2 /arch/arm/kernel/head-nommu.S
parent1f0ab40976460bc4673fa204ce917a725185d8f2 (diff)
parenta724eada8c2a7b62463b73ccf73fd0bb6e928aeb (diff)
Merge commit 'linus/master' into tracing/kprobes
Conflicts: kernel/trace/Makefile kernel/trace/trace.h kernel/trace/trace_event_types.h kernel/trace/trace_export.c Merge reason: Sync with latest significant tracing core changes.
Diffstat (limited to 'arch/arm/kernel/head-nommu.S')
-rw-r--r--arch/arm/kernel/head-nommu.S16
1 files changed, 11 insertions, 5 deletions
diff --git a/arch/arm/kernel/head-nommu.S b/arch/arm/kernel/head-nommu.S
index cc87e1765ed..e5dfc2895e2 100644
--- a/arch/arm/kernel/head-nommu.S
+++ b/arch/arm/kernel/head-nommu.S
@@ -34,7 +34,7 @@
*/
.section ".text.head", "ax"
ENTRY(stext)
- msr cpsr_c, #PSR_F_BIT | PSR_I_BIT | SVC_MODE @ ensure svc mode
+ setmode PSR_F_BIT | PSR_I_BIT | SVC_MODE, r9 @ ensure svc mode
@ and irqs disabled
#ifndef CONFIG_CPU_CP15
ldr r9, =CONFIG_PROCESSOR_ID
@@ -50,8 +50,10 @@ ENTRY(stext)
ldr r13, __switch_data @ address to jump to after
@ the initialization is done
- adr lr, __after_proc_init @ return (PIC) address
- add pc, r10, #PROCINFO_INITFUNC
+ adr lr, BSYM(__after_proc_init) @ return (PIC) address
+ ARM( add pc, r10, #PROCINFO_INITFUNC )
+ THUMB( add r12, r10, #PROCINFO_INITFUNC )
+ THUMB( mov pc, r12 )
ENDPROC(stext)
/*
@@ -59,7 +61,10 @@ ENDPROC(stext)
*/
__after_proc_init:
#ifdef CONFIG_CPU_CP15
- mrc p15, 0, r0, c1, c0, 0 @ read control reg
+ /*
+ * CP15 system control register value returned in r0 from
+ * the CPU init function.
+ */
#ifdef CONFIG_ALIGNMENT_TRAP
orr r0, r0, #CR_A
#else
@@ -82,7 +87,8 @@ __after_proc_init:
mcr p15, 0, r0, c1, c0, 0 @ write control reg
#endif /* CONFIG_CPU_CP15 */
- mov pc, r13 @ clear the BSS and jump
+ mov r3, r13
+ mov pc, r3 @ clear the BSS and jump
@ to start_kernel
ENDPROC(__after_proc_init)
.ltorg