mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-19 02:34:01 +08:00
a4a18d2b3a
Some boards use secure monitor calls to communicate with secure firmware. This patch adds exynos_smc function which uses smc assembly instruction to do secure monitor calls. Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: Tomasz Figa <t.figa@samsung.com> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
23 lines
527 B
ArmAsm
23 lines
527 B
ArmAsm
/*
|
|
* Copyright (C) 2012 Samsung Electronics.
|
|
*
|
|
* Copied from omap-smc.S Copyright (C) 2010 Texas Instruments, Inc.
|
|
*
|
|
* 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>
|
|
|
|
/*
|
|
* Function signature: void exynos_smc(u32 cmd, u32 arg1, u32 arg2, u32 arg3)
|
|
*/
|
|
|
|
ENTRY(exynos_smc)
|
|
stmfd sp!, {r4-r11, lr}
|
|
dsb
|
|
smc #0
|
|
ldmfd sp!, {r4-r11, pc}
|
|
ENDPROC(exynos_smc)
|