linux_dsm_epyc7002/arch/arm/mach-zynq/headsmp.S
Michal Simek aa7eb2bb4e arm: zynq: Add smp support
Zynq is dual core Cortex A9 which starts always
at zero. Using simple trampoline ensure long jump
to secondary_startup code.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: Steffen Trumtrar <s.trumtrar@pengutronix.de>
2013-04-04 09:24:00 +02:00

25 lines
642 B
ArmAsm

/*
* Copyright (c) 2013 Steffen Trumtrar <s.trumtrar@pengutronix.de>
* Copyright (c) 2012-2013 Xilinx
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include <linux/linkage.h>
#include <linux/init.h>
__CPUINIT
ENTRY(zynq_secondary_trampoline)
ldr r0, [pc]
bx r0
.globl zynq_secondary_trampoline_jump
zynq_secondary_trampoline_jump:
/* Space for jumping address */
.word /* cpu 1 */
.globl zynq_secondary_trampoline_end
zynq_secondary_trampoline_end:
ENDPROC(zynq_secondary_trampoline)