]>
git.proxmox.com Git - mirror_ubuntu-zesty-kernel.git/blob - arch/arm64/include/asm/proc-fns.h
2 * Based on arch/arm/include/asm/proc-fns.h
4 * Copyright (C) 1997-1999 Russell King
5 * Copyright (C) 2000 Deep Blue Solutions Ltd
6 * Copyright (C) 2012 ARM Ltd.
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 as
10 * published by the Free Software Foundation.
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, see <http://www.gnu.org/licenses/>.
20 #ifndef __ASM_PROCFNS_H
21 #define __ASM_PROCFNS_H
29 struct cpu_suspend_ctx
;
31 extern void cpu_cache_off(void);
32 extern void cpu_do_idle(void);
33 extern void cpu_do_switch_mm(unsigned long pgd_phys
, struct mm_struct
*mm
);
34 extern void cpu_reset(unsigned long addr
) __attribute__((noreturn
));
35 void cpu_soft_restart(phys_addr_t cpu_reset
,
36 unsigned long addr
) __attribute__((noreturn
));
37 extern void cpu_do_suspend(struct cpu_suspend_ctx
*ptr
);
38 extern u64
cpu_do_resume(phys_addr_t ptr
, u64 idmap_ttbr
);
40 #include <asm/memory.h>
42 #define cpu_switch_mm(pgd,mm) \
44 BUG_ON(pgd == swapper_pg_dir); \
45 cpu_do_switch_mm(virt_to_phys(pgd),mm); \
48 #define cpu_get_pgd() \
51 asm("mrs %0, ttbr0_el1\n" \
53 pg &= ~0xffff000000003ffful; \
54 (pgd_t *)phys_to_virt(pg); \
57 #endif /* __ASSEMBLY__ */
58 #endif /* __KERNEL__ */
59 #endif /* __ASM_PROCFNS_H */