From 7b64fef33c66be648826c0ff9758298ef13d0604 Mon Sep 17 00:00:00 2001 From: Wolfgang Denk Date: Tue, 24 Oct 2006 14:21:16 +0200 Subject: Add AVR32 architecture support Patch by Haavard Skinnemoen, 6 Sep 2006 16:23:02 +0200 This patch adds common infrastructure code for the Atmel AVR32 architecture. See doc/README.AVR32 for details. Signed-off-by: Haavard Skinnemoen --- lib_avr32/interrupts.c | 39 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 39 insertions(+) create mode 100644 lib_avr32/interrupts.c (limited to 'lib_avr32/interrupts.c') diff --git a/lib_avr32/interrupts.c b/lib_avr32/interrupts.c new file mode 100644 index 000000000..ce538f3d9 --- /dev/null +++ b/lib_avr32/interrupts.c @@ -0,0 +1,39 @@ +/* + * Copyright (C) 2006 Atmel Corporation + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ +#include + +#include + +void enable_interrupts(void) +{ + asm volatile("csrf %0" : : "n"(SYSREG_GM_OFFSET)); +} + +int disable_interrupts(void) +{ + unsigned long sr; + + sr = sysreg_read(SR); + asm volatile("ssrf %0" : : "n"(SYSREG_GM_OFFSET)); + + return SYSREG_BFEXT(GM, sr); +} -- cgit v1.2.3