From eca55f4d9c1d918c2aa95fb8a73a34e2ba8a1b11 Mon Sep 17 00:00:00 2001 From: Marc Zyngier Date: Tue, 8 Nov 2011 13:07:36 +0000 Subject: ARM: msm: fix compilation flags for MSM_SCM CONFIG_MSM_SCM uses the smc instruction, which with some toolchains requires a ".arch_extension" directive. Cc: David Brown Signed-off-by: Marc Zyngier Signed-off-by: David Brown --- arch/arm/mach-msm/Makefile | 2 ++ arch/arm/mach-msm/scm.c | 3 +++ 2 files changed, 5 insertions(+) (limited to 'arch/arm/mach-msm') diff --git a/arch/arm/mach-msm/Makefile b/arch/arm/mach-msm/Makefile index 4285dfd80b6..4ad3969b988 100644 --- a/arch/arm/mach-msm/Makefile +++ b/arch/arm/mach-msm/Makefile @@ -15,6 +15,8 @@ obj-$(CONFIG_MSM_SMD) += smd.o smd_debug.o obj-$(CONFIG_MSM_SMD) += last_radio_log.o obj-$(CONFIG_MSM_SCM) += scm.o scm-boot.o +CFLAGS_scm.o :=$(call as-instr,.arch_extension sec,-DREQUIRES_SEC=1) + obj-$(CONFIG_HOTPLUG_CPU) += hotplug.o obj-$(CONFIG_SMP) += headsmp.o platsmp.o diff --git a/arch/arm/mach-msm/scm.c b/arch/arm/mach-msm/scm.c index 232f97a0450..bafabb50258 100644 --- a/arch/arm/mach-msm/scm.c +++ b/arch/arm/mach-msm/scm.c @@ -180,6 +180,9 @@ static u32 smc(u32 cmd_addr) __asmeq("%1", "r0") __asmeq("%2", "r1") __asmeq("%3", "r2") +#ifdef REQUIRES_SEC + ".arch_extension sec\n" +#endif "smc #0 @ switch to secure world\n" : "=r" (r0) : "r" (r0), "r" (r1), "r" (r2) -- cgit v1.2.3