1239281Sgonzo/*- 2239281Sgonzo * Copyright (c) 2012 Olivier Houchard. All rights reserved. 3239281Sgonzo * 4239281Sgonzo * Redistribution and use in source and binary forms, with or without 5239281Sgonzo * modification, are permitted provided that the following conditions 6239281Sgonzo * are met: 7239281Sgonzo * 1. Redistributions of source code must retain the above copyright 8239281Sgonzo * notice, this list of conditions and the following disclaimer. 9239281Sgonzo * 2. Redistributions in binary form must reproduce the above copyright 10239281Sgonzo * notice, this list of conditions and the following disclaimer in the 11239281Sgonzo * documentation and/or other materials provided with the distribution. 12239281Sgonzo * 13239281Sgonzo * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 14239281Sgonzo * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 15239281Sgonzo * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 16239281Sgonzo * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 17239281Sgonzo * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 18239281Sgonzo * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 19239281Sgonzo * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 20239281Sgonzo * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 21239281Sgonzo * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 22239281Sgonzo * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 23239281Sgonzo */ 24239281Sgonzo 25239281Sgonzo#include <machine/armreg.h> 26239281Sgonzo#include <machine/asm.h> 27239281Sgonzo__FBSDID("$FreeBSD$"); 28239281Sgonzo 29275524Sandrew .cpu cortex-a8 30269395Sian .arch_extension sec 31239283Sgonzo 32239281Sgonzo/* Issue a smc #0 call */ 33239281Sgonzo/* r0 and r1 contains the eventual arguments, r2 contains the function ID */ 34239281SgonzoENTRY(ti_smc0) 35239281Sgonzo stmfd sp!, {r4-r12, lr} 36239281Sgonzo mov r12, r2 /* the rom expects the function ID in r12 */ 37239281Sgonzo dsb 38239281Sgonzo smc #0 39239281Sgonzo ldmfd sp!, {r4-r12, pc} 40239281Sgonzo 41