[RFC v2 PATCH 08/23] ARM: NOMMU: implement secondary_startup_arm

Vladimir Murzin vladimir.murzin at arm.com
Tue Nov 29 04:39:50 PST 2016


Mediatek's and Qualcomm's platform code has reference to
secondary_startup_arm and that breaks NOMMU build.

Cc: Russell King <linux at armlinux.org.uk>
Signed-off-by: Vladimir Murzin <vladimir.murzin at arm.com>
---
 arch/arm/kernel/head-nommu.S |    7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/arch/arm/kernel/head-nommu.S b/arch/arm/kernel/head-nommu.S
index 7317554..2ab026f 100644
--- a/arch/arm/kernel/head-nommu.S
+++ b/arch/arm/kernel/head-nommu.S
@@ -89,6 +89,12 @@ ENDPROC(stext)
 
 #ifdef CONFIG_SMP
 	.text
+	.arm
+ENTRY(secondary_startup_arm)
+	THUMB(	badr	r9, 1f		)	@ Kernel is entered in ARM.
+	THUMB(	bx	r9		)	@ If this is a Thumb-2 kernel,
+	THUMB(	.thumb			)	@ switch to Thumb now.
+	THUMB(1:			)
 ENTRY(secondary_startup)
 	/*
 	 * Common entry point for secondary CPUs.
@@ -126,6 +132,7 @@ ENTRY(secondary_startup)
 	mov	fp, #0
 	b	secondary_start_kernel
 ENDPROC(secondary_startup)
+ENDPROC(secondary_startup_arm)
 
 	.type	__secondary_data, %object
 __secondary_data:
-- 
1.7.9.5




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