blob: 290d38d5c4638d88d039bd1e555aee035a250790 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
|
/* Portions taken from Linux arch arm */
#ifndef __ASM_SYSTEM_H
#define __ASM_SYSTEM_H
#include <xen/lib.h>
#include <public/arch-arm.h>
#define nop() \
asm volatile ( "nop" )
#define xchg(ptr,x) \
((__typeof__(*(ptr)))__xchg((unsigned long)(x),(ptr),sizeof(*(ptr))))
/*
* This is used to ensure the compiler did actually allocate the register we
* asked it for some inline assembly sequences. Apparently we can't trust
* the compiler from one version to another so a bit of paranoia won't hurt.
* This string is meant to be concatenated with the inline asm string and
* will cause compilation to stop on mismatch.
* (for details, see gcc PR 15089)
*/
#define __asmeq(x, y) ".ifnc " x "," y " ; .err ; .endif\n\t"
#if defined(CONFIG_ARM_32)
# include <asm/arm32/system.h>
#elif defined(CONFIG_ARM_64)
# include <asm/arm64/system.h>
#else
# error "unknown ARM variant"
#endif
extern struct vcpu *__context_switch(struct vcpu *prev, struct vcpu *next);
#endif
/*
* Local variables:
* mode: C
* c-file-style: "BSD"
* c-basic-offset: 4
* indent-tabs-mode: nil
* End:
*/
|
