| /* |
| * arch/aarch64/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 <cpu.h> |
| |
| /* Load a 64-bit value using immediates */ |
| .macro mov_64 dest, val |
| mov \dest, #(((\val) >> 0) & 0xffff) |
| movk \dest, #(((\val) >> 16) & 0xffff), lsl #16 |
| movk \dest, #(((\val) >> 32) & 0xffff), lsl #32 |
| movk \dest, #(((\val) >> 48) & 0xffff), lsl #48 |
| .endm |
| |
| /* Put MPIDR into \dest, clobber \tmp and flags */ |
| .macro cpuid dest, tmp |
| mrs \dest, mpidr_el1 |
| mov_64 \tmp, MPIDR_ID_BITS |
| ands \dest, \dest, \tmp |
| .endm |
