blob: d6593b02a6fd70f9e67f81fa5c7f81a9c6dcfa76 [file] [log] [blame]
// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (C) 2022 Ventana Micro Systems Inc.
*/
#include <common.h>
long smh_trap(int sysnum, void *addr)
{
register int ret asm ("a0") = sysnum;
register void *param0 asm ("a1") = addr;
asm volatile (".align 4\n"
".option push\n"
".option norvc\n"
"slli zero, zero, 0x1f\n"
"ebreak\n"
"srai zero, zero, 7\n"
".option pop\n"
: "+r" (ret) : "r" (param0) : "memory");
return ret;
}