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irqflags.h

/*
 * IRQ flags handling
 */
#ifndef _ASM_IRQFLAGS_H
#define _ASM_IRQFLAGS_H

#ifndef __ASSEMBLY__
/*
 * Get definitions for raw_local_save_flags(x), etc.
 */
#include <asm/hw_irq.h>

#else
#ifdef CONFIG_TRACE_IRQFLAGS
/*
 * Most of the CPU's IRQ-state tracing is done from assembly code; we
 * have to call a C function so call a wrapper that saves all the
 * C-clobbered registers.
 */
#define TRACE_ENABLE_INTS     bl .trace_hardirqs_on
#define TRACE_DISABLE_INTS    bl .trace_hardirqs_off
#define TRACE_AND_RESTORE_IRQ_PARTIAL(en,skip)  \
      cmpdi en,0;                   \
      bne   95f;                    \
      stb   en,PACASOFTIRQEN(r13);        \
      bl    .trace_hardirqs_off;          \
      b     skip;                   \
95:   bl    .trace_hardirqs_on;           \
      li    en,1;
#define TRACE_AND_RESTORE_IRQ(en)         \
      TRACE_AND_RESTORE_IRQ_PARTIAL(en,96f);    \
      stb   en,PACASOFTIRQEN(r13);          \
96:
#else
#define TRACE_ENABLE_INTS
#define TRACE_DISABLE_INTS
#define TRACE_AND_RESTORE_IRQ_PARTIAL(en,skip)
#define TRACE_AND_RESTORE_IRQ(en)         \
      stb   en,PACASOFTIRQEN(r13)
#endif
#endif

#endif

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