From 9a7aada6811a9777d10ac67eb53b5985cd70a509 Mon Sep 17 00:00:00 2001 From: Ian Campbell Date: Fri, 20 Sep 2013 17:51:20 +0100 Subject: xen: arm: use symbolic names for MPIDR bits. arm32 already uses MPIDR_HWID_MASK, use it on arm64 too. Add MPIDR_{SMP,UP} (and bitwise equivalents) and use them. Signed-off-by: Ian Campbell Acked-by: Tim Deegan --- xen/arch/arm/arm32/head.S | 4 ++-- xen/arch/arm/arm64/head.S | 6 +++--- 2 files changed, 5 insertions(+), 5 deletions(-) (limited to 'xen/arch') diff --git a/xen/arch/arm/arm32/head.S b/xen/arch/arm/arm32/head.S index 510ccff3ed..92b3c4896f 100644 --- a/xen/arch/arm/arm32/head.S +++ b/xen/arch/arm/arm32/head.S @@ -127,9 +127,9 @@ common_start: * find that multiprocessor extensions are * present and the system is SMP */ mrc CP32(r1, MPIDR) - tst r1, #(1<<31) /* Multiprocessor extension supported? */ + tst r1, #MPIDR_SMP /* Multiprocessor extension supported? */ beq 1f - tst r1, #(1<<30) /* Uniprocessor system? */ + tst r1, #MPIDR_UP /* Uniprocessor system? */ bne 1f bic r7, r1, #(~MPIDR_HWID_MASK) /* Mask out flags to get CPU ID */ 1: diff --git a/xen/arch/arm/arm64/head.S b/xen/arch/arm/arm64/head.S index b2d44ccf4c..062645ed77 100644 --- a/xen/arch/arm/arm64/head.S +++ b/xen/arch/arm/arm64/head.S @@ -153,10 +153,10 @@ common_start: * find that multiprocessor extensions are * present and the system is SMP */ mrs x0, mpidr_el1 - tbz x0, 31, 1f /* Multiprocessor extension not supported? */ - tbnz x0, 30, 1f /* Uniprocessor system? */ + tbz x0, _MPIDR_SMP, 1f /* Multiprocessor extension not supported? */ + tbnz x0, _MPIDR_UP, 1f /* Uniprocessor system? */ - mov x13, #(0xff << 24) + mov x13, #(~MPIDR_HWID_MASK) bic x24, x0, x13 /* Mask out flags to get CPU ID */ 1: -- cgit v1.2.3