1 /* 2 * Contains CPU feature definitions 3 * 4 * Copyright (C) 2015 ARM Ltd. 5 * 6 * This program is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License version 2 as 8 * published by the Free Software Foundation. 9 * 10 * This program is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 * GNU General Public License for more details. 14 * 15 * You should have received a copy of the GNU General Public License 16 * along with this program. If not, see <http://www.gnu.org/licenses/>. 17 */ 18 19 #include <xen/types.h> 20 #include <xen/init.h> 21 #include <xen/smp.h> 22 #include <asm/cpufeature.h> 23 24 DECLARE_BITMAP(cpu_hwcaps, ARM_NCAPS); 25 update_cpu_capabilities(const struct arm_cpu_capabilities * caps,const char * info)26void update_cpu_capabilities(const struct arm_cpu_capabilities *caps, 27 const char *info) 28 { 29 int i; 30 31 for ( i = 0; caps[i].matches; i++ ) 32 { 33 if ( !caps[i].matches(&caps[i]) ) 34 continue; 35 36 if ( !cpus_have_cap(caps[i].capability) && caps[i].desc ) 37 printk(XENLOG_INFO "%s: %s\n", info, caps[i].desc); 38 cpus_set_cap(caps[i].capability); 39 } 40 } 41 42 /* 43 * Local variables: 44 * mode: C 45 * c-file-style: "BSD" 46 * c-basic-offset: 4 47 * indent-tabs-mode: nil 48 * End: 49 */ 50