tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1#ifndef __ASM_IDLE_H
2#define __ASM_IDLE_H
3
4#include <linux/cpuidle.h>
5#include <linux/linkage.h>
6
7extern void (*cpu_wait)(void);
8extern void r4k_wait(void);
9extern asmlinkage void __r4k_wait(void);
10extern void r4k_wait_irqoff(void);
11extern void __pastwait(void);
12
13static inline int using_rollback_handler(void)
14{
15 return cpu_wait == r4k_wait;
16}
17
18static inline int address_is_in_r4k_wait_irqoff(unsigned long addr)
19{
20 return addr >= (unsigned long)r4k_wait_irqoff &&
21 addr < (unsigned long)__pastwait;
22}
23
24extern int mips_cpuidle_wait_enter(struct cpuidle_device *dev,
25 struct cpuidle_driver *drv, int index);
26
27#define MIPS_CPUIDLE_WAIT_STATE {\
28 .enter = mips_cpuidle_wait_enter,\
29 .exit_latency = 1,\
30 .target_residency = 1,\
31 .power_usage = UINT_MAX,\
32 .flags = CPUIDLE_FLAG_TIME_VALID,\
33 .name = "wait",\
34 .desc = "MIPS wait",\
35}
36
37#endif /* __ASM_IDLE_H */