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33 lines
847 B
ArmAsm
33 lines
847 B
ArmAsm
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/*
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* OMAP44xx secure APIs file.
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*
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* Copyright (C) 2010 Texas Instruments, Inc.
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* Written by Santosh Shilimkar <santosh.shilimkar@ti.com>
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*
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*
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* This program is free software,you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#include <linux/linkage.h>
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/*
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* This is common routine to manage secure monitor API
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* used to modify the PL310 secure registers.
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* 'r0' contains the value to be modified and 'r12' contains
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* the monitor API number. It uses few CPU registers
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* internally and hence they need be backed up including
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* link register "lr".
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* Function signature : void omap_smc1(u32 fn, u32 arg)
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*/
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ENTRY(omap_smc1)
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stmfd sp!, {r2-r12, lr}
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mov r12, r0
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mov r0, r1
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dsb
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smc
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ldmfd sp!, {r2-r12, pc}
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END(omap_smc1)
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