linux/arch/arm/mach-exynos/exynos-smc.S

/* SPDX-License-Identifier: GPL-2.0 */
/*
 * Copyright (C) 2012 Samsung Electronics.
 *
 * Copied from omap-smc.S Copyright (C) 2010 Texas Instruments, Inc.
 */

#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)
ARM: EXYNOS: Add SPDX license identifiers Replace GPL license statements with SPDX license identifiers (GPL-2.0 and GPL-2.0+). Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org> 2017-12-25 19:54:31 +00:00			`/* SPDX-License-Identifier: GPL-2.0 */`
ARM: EXYNOS: Add support for secure monitor calls 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> 2012-12-11 04:58:43 +00:00			`/*`
			`* Copyright (C) 2012 Samsung Electronics.`
			`*`
			`* Copied from omap-smc.S Copyright (C) 2010 Texas Instruments, Inc.`
			`*/`

			`#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)`