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Diffstat (limited to 'arch/aarch32/common.S')
| -rw-r--r-- | arch/aarch32/common.S | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/arch/aarch32/common.S b/arch/aarch32/common.S new file mode 100644 index 0000000..6b11e62 --- /dev/null +++ b/arch/aarch32/common.S @@ -0,0 +1,17 @@ +/* + * arch/aarch32/common.S - common definitions useful for boot code + * + * Copyright (C) 2013 ARM Limited. All rights reserved. + * + * Use of this source code is governed by a BSD-style license that can be + * found in the LICENSE.txt file. + */ + +#include <asm/cpu.h> + + /* Returns mpidr in \dest, clobbers \tmp and flags */ + .macro cpuid dest, tmp + mrc p15, 0, \dest, c0, c0, 5 @ MPIDR + ldr \tmp, =MPIDR_ID_BITS + ands \dest, \dest, \tmp + .endm |