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-rw-r--r--arch/frv/include/asm/irqflags.h158
1 files changed, 0 insertions, 158 deletions
diff --git a/arch/frv/include/asm/irqflags.h b/arch/frv/include/asm/irqflags.h
deleted file mode 100644
index 82f0b5363f42..000000000000
--- a/arch/frv/include/asm/irqflags.h
+++ /dev/null
@@ -1,158 +0,0 @@
-/* FR-V interrupt handling
- *
- * Copyright (C) 2010 Red Hat, Inc. All Rights Reserved.
- * Written by David Howells (dhowells@redhat.com)
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public Licence
- * as published by the Free Software Foundation; either version
- * 2 of the Licence, or (at your option) any later version.
- */
-
-#ifndef _ASM_IRQFLAGS_H
-#define _ASM_IRQFLAGS_H
-
-/*
- * interrupt flag manipulation
- * - use virtual interrupt management since touching the PSR is slow
- * - ICC2.Z: T if interrupts virtually disabled
- * - ICC2.C: F if interrupts really disabled
- * - if Z==1 upon interrupt:
- * - C is set to 0
- * - interrupts are really disabled
- * - entry.S returns immediately
- * - uses TIHI (TRAP if Z==0 && C==0) #2 to really reenable interrupts
- * - if taken, the trap:
- * - sets ICC2.C
- * - enables interrupts
- */
-static inline void arch_local_irq_disable(void)
-{
- /* set Z flag, but don't change the C flag */
- asm volatile(" andcc gr0,gr0,gr0,icc2 \n"
- :
- :
- : "memory", "icc2"
- );
-}
-
-static inline void arch_local_irq_enable(void)
-{
- /* clear Z flag and then test the C flag */
- asm volatile(" oricc gr0,#1,gr0,icc2 \n"
- " tihi icc2,gr0,#2 \n"
- :
- :
- : "memory", "icc2"
- );
-}
-
-static inline unsigned long arch_local_save_flags(void)
-{
- unsigned long flags;
-
- asm volatile("movsg ccr,%0"
- : "=r"(flags)
- :
- : "memory");
-
- /* shift ICC2.Z to bit 0 */
- flags >>= 26;
-
- /* make flags 1 if interrupts disabled, 0 otherwise */
- return flags & 1UL;
-
-}
-
-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)
-{
- /* load the Z flag by turning 1 if disabled into 0 if disabled
- * and thus setting the Z flag but not the C flag */
- asm volatile(" xoricc %0,#1,gr0,icc2 \n"
- /* then trap if Z=0 and C=0 */
- " tihi icc2,gr0,#2 \n"
- :
- : "r"(flags)
- : "memory", "icc2"
- );
-
-}
-
-static inline bool arch_irqs_disabled_flags(unsigned long flags)
-{
- return flags;
-}
-
-static inline bool arch_irqs_disabled(void)
-{
- return arch_irqs_disabled_flags(arch_local_save_flags());
-}
-
-/*
- * real interrupt flag manipulation
- */
-#define __arch_local_irq_disable() \
-do { \
- unsigned long psr; \
- asm volatile(" movsg psr,%0 \n" \
- " andi %0,%2,%0 \n" \
- " ori %0,%1,%0 \n" \
- " movgs %0,psr \n" \
- : "=r"(psr) \
- : "i" (PSR_PIL_14), "i" (~PSR_PIL) \
- : "memory"); \
-} while (0)
-
-#define __arch_local_irq_enable() \
-do { \
- unsigned long psr; \
- asm volatile(" movsg psr,%0 \n" \
- " andi %0,%1,%0 \n" \
- " movgs %0,psr \n" \
- : "=r"(psr) \
- : "i" (~PSR_PIL) \
- : "memory"); \
-} while (0)
-
-#define __arch_local_save_flags(flags) \
-do { \
- typecheck(unsigned long, flags); \
- asm("movsg psr,%0" \
- : "=r"(flags) \
- : \
- : "memory"); \
-} while (0)
-
-#define __arch_local_irq_save(flags) \
-do { \
- unsigned long npsr; \
- typecheck(unsigned long, flags); \
- asm volatile(" movsg psr,%0 \n" \
- " andi %0,%3,%1 \n" \
- " ori %1,%2,%1 \n" \
- " movgs %1,psr \n" \
- : "=r"(flags), "=r"(npsr) \
- : "i" (PSR_PIL_14), "i" (~PSR_PIL) \
- : "memory"); \
-} while (0)
-
-#define __arch_local_irq_restore(flags) \
-do { \
- typecheck(unsigned long, flags); \
- asm volatile(" movgs %0,psr \n" \
- : \
- : "r" (flags) \
- : "memory"); \
-} while (0)
-
-#define __arch_irqs_disabled() \
- ((__get_PSR() & PSR_PIL) >= PSR_PIL_14)
-
-#endif /* _ASM_IRQFLAGS_H */