Contributors: 15
Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
David Howells |
113 |
55.39% |
3 |
13.64% |
Ingo Molnar |
23 |
11.27% |
4 |
18.18% |
Geert Uytterhoeven |
21 |
10.29% |
1 |
4.55% |
Arnd Bergmann |
11 |
5.39% |
1 |
4.55% |
Michal Simek |
6 |
2.94% |
2 |
9.09% |
Håvard Skinnemoen |
5 |
2.45% |
1 |
4.55% |
Yi Li |
5 |
2.45% |
1 |
4.55% |
Linus Torvalds (pre-git) |
4 |
1.96% |
2 |
9.09% |
Bryan Wu |
4 |
1.96% |
1 |
4.55% |
Mathieu Desnoyers |
3 |
1.47% |
1 |
4.55% |
Alan Cox |
3 |
1.47% |
1 |
4.55% |
Joe Perches |
2 |
0.98% |
1 |
4.55% |
Robert Love |
2 |
0.98% |
1 |
4.55% |
Mike Frysinger |
1 |
0.49% |
1 |
4.55% |
Greg Kroah-Hartman |
1 |
0.49% |
1 |
4.55% |
Total |
204 |
|
22 |
|
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _M68K_IRQFLAGS_H
#define _M68K_IRQFLAGS_H
#include <linux/types.h>
#include <linux/preempt.h>
#include <asm/thread_info.h>
#include <asm/entry.h>
static inline unsigned long arch_local_save_flags(void)
{
unsigned long flags;
asm volatile ("movew %%sr,%0" : "=d" (flags) : : "memory");
return flags;
}
static inline void arch_local_irq_disable(void)
{
#ifdef CONFIG_COLDFIRE
asm volatile (
"move %/sr,%%d0 \n\t"
"ori.l #0x0700,%%d0 \n\t"
"move %%d0,%/sr \n"
: /* no outputs */
:
: "cc", "%d0", "memory");
#else
asm volatile ("oriw #0x0700,%%sr" : : : "memory");
#endif
}
static inline void arch_local_irq_enable(void)
{
#if defined(CONFIG_COLDFIRE)
asm volatile (
"move %/sr,%%d0 \n\t"
"andi.l #0xf8ff,%%d0 \n\t"
"move %%d0,%/sr \n"
: /* no outputs */
:
: "cc", "%d0", "memory");
#else
# if defined(CONFIG_MMU)
if (MACH_IS_Q40 || !hardirq_count())
# endif
asm volatile (
"andiw %0,%%sr"
:
: "i" (ALLOWINT)
: "memory");
#endif
}
static inline unsigned long arch_local_irq_save(void)
{
unsigned long flags = arch_local_save_flags();
arch_local_irq_disable();
return flags;
}
static inline void arch_local_irq_restore(unsigned long flags)
{
asm volatile ("movew %0,%%sr" : : "d" (flags) : "memory");
}
static inline bool arch_irqs_disabled_flags(unsigned long flags)
{
if (MACH_IS_ATARI) {
/* Ignore HSYNC = ipl 2 on Atari */
return (flags & ~(ALLOWINT | 0x200)) != 0;
}
return (flags & ~ALLOWINT) != 0;
}
static inline bool arch_irqs_disabled(void)
{
return arch_irqs_disabled_flags(arch_local_save_flags());
}
#endif /* _M68K_IRQFLAGS_H */