to make u-boot work for fat32 filesystem
[jz_uboot.git] / lib_avr32 / interrupts.c
blobce538f3d9241a5a590824d87383a8e2aeac83d18
1 /*
2 * Copyright (C) 2006 Atmel Corporation
4 * See file CREDITS for list of people who contributed to this
5 * project.
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License as
9 * published by the Free Software Foundation; either version 2 of
10 * the License, or (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
20 * MA 02111-1307 USA
22 #include <common.h>
24 #include <asm/sysreg.h>
26 void enable_interrupts(void)
28 asm volatile("csrf %0" : : "n"(SYSREG_GM_OFFSET));
31 int disable_interrupts(void)
33 unsigned long sr;
35 sr = sysreg_read(SR);
36 asm volatile("ssrf %0" : : "n"(SYSREG_GM_OFFSET));
38 return SYSREG_BFEXT(GM, sr);