64 lines
1.1 KiB
C
64 lines
1.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
#ifndef _ASM_SW64_IRQFLAGS_H
|
|
#define _ASM_SW64_IRQFLAGS_H
|
|
|
|
#include <asm/hmcall.h>
|
|
|
|
#define IPL_MIN 0
|
|
#define IPL_SW0 1
|
|
#define IPL_SW1 2
|
|
#define IPL_DEV0 3
|
|
#define IPL_DEV1 4
|
|
#define IPL_TIMER 5
|
|
#define IPL_PERF 6
|
|
#define IPL_POWERFAIL 6
|
|
#define IPL_MCHECK 7
|
|
#define IPL_MAX 7
|
|
|
|
#define getipl() (rdps() & 7)
|
|
#define setipl(ipl) ((void) swpipl(ipl))
|
|
|
|
static inline unsigned long arch_local_save_flags(void)
|
|
{
|
|
return rdps();
|
|
}
|
|
|
|
static inline void arch_local_irq_disable(void)
|
|
{
|
|
setipl(IPL_MAX);
|
|
barrier();
|
|
}
|
|
|
|
static inline unsigned long arch_local_irq_save(void)
|
|
{
|
|
unsigned long flags = swpipl(IPL_MAX);
|
|
|
|
barrier();
|
|
return flags;
|
|
}
|
|
|
|
static inline void arch_local_irq_enable(void)
|
|
{
|
|
barrier();
|
|
setipl(IPL_MIN);
|
|
}
|
|
|
|
static inline void arch_local_irq_restore(unsigned long flags)
|
|
{
|
|
barrier();
|
|
setipl(flags);
|
|
barrier();
|
|
}
|
|
|
|
static inline bool arch_irqs_disabled_flags(unsigned long flags)
|
|
{
|
|
return flags > IPL_MIN;
|
|
}
|
|
|
|
static inline bool arch_irqs_disabled(void)
|
|
{
|
|
return arch_irqs_disabled_flags(getipl());
|
|
}
|
|
|
|
#endif /* _ASM_SW64_IRQFLAGS_H */
|