--- /dev/null
+#ifndef __ALPHA_IRQFLAGS_H
+#define __ALPHA_IRQFLAGS_H
+
+#include <asm/system.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
+
+#ifdef CONFIG_ALPHA_BROKEN_IRQ_MASK
+#undef IPL_MIN
+#define IPL_MIN __min_ipl
+extern int __min_ipl;
+#endif
+
+#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_MAX;
+}
+
+static inline bool arch_irqs_disabled(void)
+{
+ return arch_irqs_disabled_flags(getipl());
+}
+
+#endif /* __ALPHA_IRQFLAGS_H */
__CALL_PAL_W1(wrusp, unsigned long);
__CALL_PAL_W1(wrvptptr, unsigned long);
-#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
-
-#ifdef CONFIG_ALPHA_BROKEN_IRQ_MASK
-#undef IPL_MIN
-#define IPL_MIN __min_ipl
-extern int __min_ipl;
-#endif
-
-#define getipl() (rdps() & 7)
-#define setipl(ipl) ((void) swpipl(ipl))
-
-#define local_irq_disable() do { setipl(IPL_MAX); barrier(); } while(0)
-#define local_irq_enable() do { barrier(); setipl(IPL_MIN); } while(0)
-#define local_save_flags(flags) ((flags) = rdps())
-#define local_irq_save(flags) do { (flags) = swpipl(IPL_MAX); barrier(); } while(0)
-#define local_irq_restore(flags) do { barrier(); setipl(flags); barrier(); } while(0)
-
-#define irqs_disabled() (getipl() == IPL_MAX)
-
/*
* TB routines..
*/
*/
#if __LINUX_ARM_ARCH__ >= 6
-#define raw_local_irq_save(x) \
- ({ \
- __asm__ __volatile__( \
- "mrs %0, cpsr @ local_irq_save\n" \
- "cpsid i" \
- : "=r" (x) : : "memory", "cc"); \
- })
+static inline unsigned long arch_local_irq_save(void)
+{
+ unsigned long flags;
+
+ asm volatile(
+ " mrs %0, cpsr @ arch_local_irq_save\n"
+ " cpsid i"
+ : "=r" (flags) : : "memory", "cc");
+ return flags;
+}
+
+static inline void arch_local_irq_enable(void)
+{
+ asm volatile(
+ " cpsie i @ arch_local_irq_enable"
+ :
+ :
+ : "memory", "cc");
+}
+
+static inline void arch_local_irq_disable(void)
+{
+ asm volatile(
+ " cpsid i @ arch_local_irq_disable"
+ :
+ :
+ : "memory", "cc");
+}
-#define raw_local_irq_enable() __asm__("cpsie i @ __sti" : : : "memory", "cc")
-#define raw_local_irq_disable() __asm__("cpsid i @ __cli" : : : "memory", "cc")
#define local_fiq_enable() __asm__("cpsie f @ __stf" : : : "memory", "cc")
#define local_fiq_disable() __asm__("cpsid f @ __clf" : : : "memory", "cc")
-
#else
/*
* Save the current interrupt enable state & disable IRQs
*/
-#define raw_local_irq_save(x) \
- ({ \
- unsigned long temp; \
- (void) (&temp == &x); \
- __asm__ __volatile__( \
- "mrs %0, cpsr @ local_irq_save\n" \
-" orr %1, %0, #128\n" \
-" msr cpsr_c, %1" \
- : "=r" (x), "=r" (temp) \
- : \
- : "memory", "cc"); \
- })
-
+static inline unsigned long arch_local_irq_save(void)
+{
+ unsigned long flags, temp;
+
+ asm volatile(
+ " mrs %0, cpsr @ arch_local_irq_save\n"
+ " orr %1, %0, #128\n"
+ " msr cpsr_c, %1"
+ : "=r" (flags), "=r" (temp)
+ :
+ : "memory", "cc");
+ return flags;
+}
+
/*
* Enable IRQs
*/
-#define raw_local_irq_enable() \
- ({ \
- unsigned long temp; \
- __asm__ __volatile__( \
- "mrs %0, cpsr @ local_irq_enable\n" \
-" bic %0, %0, #128\n" \
-" msr cpsr_c, %0" \
- : "=r" (temp) \
- : \
- : "memory", "cc"); \
- })
+static inline void arch_local_irq_enable(void)
+{
+ unsigned long temp;
+ asm volatile(
+ " mrs %0, cpsr @ arch_local_irq_enable\n"
+ " bic %0, %0, #128\n"
+ " msr cpsr_c, %0"
+ : "=r" (temp)
+ :
+ : "memory", "cc");
+}
/*
* Disable IRQs
*/
-#define raw_local_irq_disable() \
- ({ \
- unsigned long temp; \
- __asm__ __volatile__( \
- "mrs %0, cpsr @ local_irq_disable\n" \
-" orr %0, %0, #128\n" \
-" msr cpsr_c, %0" \
- : "=r" (temp) \
- : \
- : "memory", "cc"); \
- })
+static inline void arch_local_irq_disable(void)
+{
+ unsigned long temp;
+ asm volatile(
+ " mrs %0, cpsr @ arch_local_irq_disable\n"
+ " orr %0, %0, #128\n"
+ " msr cpsr_c, %0"
+ : "=r" (temp)
+ :
+ : "memory", "cc");
+}
/*
* Enable FIQs
/*
* Save the current interrupt enable state.
*/
-#define raw_local_save_flags(x) \
- ({ \
- __asm__ __volatile__( \
- "mrs %0, cpsr @ local_save_flags" \
- : "=r" (x) : : "memory", "cc"); \
- })
+static inline unsigned long arch_local_save_flags(void)
+{
+ unsigned long flags;
+ asm volatile(
+ " mrs %0, cpsr @ local_save_flags"
+ : "=r" (flags) : : "memory", "cc");
+ return flags;
+}
/*
* restore saved IRQ & FIQ state
*/
-#define raw_local_irq_restore(x) \
- __asm__ __volatile__( \
- "msr cpsr_c, %0 @ local_irq_restore\n" \
- : \
- : "r" (x) \
- : "memory", "cc")
+static inline void arch_local_irq_restore(unsigned long flags)
+{
+ asm volatile(
+ " msr cpsr_c, %0 @ local_irq_restore"
+ :
+ : "r" (flags)
+ : "memory", "cc");
+}
-#define raw_irqs_disabled_flags(flags) \
-({ \
- (int)((flags) & PSR_I_BIT); \
-})
+static inline int arch_irqs_disabled_flags(unsigned long flags)
+{
+ return flags & PSR_I_BIT;
+}
#endif
#endif
#ifndef __ASM_AVR32_IRQFLAGS_H
#define __ASM_AVR32_IRQFLAGS_H
+#include <linux/types.h>
#include <asm/sysreg.h>
-static inline unsigned long __raw_local_save_flags(void)
+static inline unsigned long arch_local_save_flags(void)
{
return sysreg_read(SR);
}
-#define raw_local_save_flags(x) \
- do { (x) = __raw_local_save_flags(); } while (0)
-
/*
* This will restore ALL status register flags, not only the interrupt
* mask flag.
* The empty asm statement informs the compiler of this fact while
* also serving as a barrier.
*/
-static inline void raw_local_irq_restore(unsigned long flags)
+static inline void arch_local_irq_restore(unsigned long flags)
{
sysreg_write(SR, flags);
asm volatile("" : : : "memory", "cc");
}
-static inline void raw_local_irq_disable(void)
+static inline void arch_local_irq_disable(void)
{
asm volatile("ssrf %0" : : "n"(SYSREG_GM_OFFSET) : "memory");
}
-static inline void raw_local_irq_enable(void)
+static inline void arch_local_irq_enable(void)
{
asm volatile("csrf %0" : : "n"(SYSREG_GM_OFFSET) : "memory");
}
-static inline int raw_irqs_disabled_flags(unsigned long flags)
+static inline bool arch_irqs_disabled_flags(unsigned long flags)
{
return (flags & SYSREG_BIT(GM)) != 0;
}
-static inline int raw_irqs_disabled(void)
+static inline bool arch_irqs_disabled(void)
{
- unsigned long flags = __raw_local_save_flags();
-
- return raw_irqs_disabled_flags(flags);
+ return arch_irqs_disabled_flags(arch_local_save_flags());
}
-static inline unsigned long __raw_local_irq_save(void)
+static inline unsigned long arch_local_irq_save(void)
{
- unsigned long flags = __raw_local_save_flags();
+ unsigned long flags = arch_local_save_flags();
- raw_local_irq_disable();
+ arch_local_irq_disable();
return flags;
}
-#define raw_local_irq_save(flags) \
- do { (flags) = __raw_local_irq_save(); } while (0)
-
#endif /* __ASM_AVR32_IRQFLAGS_H */
#endif /* !CONFIG_IPIPE */
-
-/*
- * Raw interface to linux/irqflags.h.
- */
-#define raw_local_save_flags(flags) do { (flags) = arch_local_save_flags(); } while (0)
-#define raw_local_irq_save(flags) do { (flags) = arch_local_irq_save(); } while (0)
-#define raw_local_irq_restore(flags) arch_local_irq_restore(flags)
-#define raw_local_irq_enable() arch_local_irq_enable()
-#define raw_local_irq_disable() arch_local_irq_disable()
-#define raw_irqs_disabled_flags(flags) arch_irqs_disabled_flags(flags)
-#define raw_irqs_disabled() arch_irqs_disabled()
-
#endif
#include <linux/kallsyms.h>
#include <linux/err.h>
#include <linux/fs.h>
+#include <linux/irq.h>
#include <asm/dma.h>
#include <asm/trace.h>
#include <asm/fixed_code.h>
--- /dev/null
+#ifndef __ASM_CRIS_ARCH_IRQFLAGS_H
+#define __ASM_CRIS_ARCH_IRQFLAGS_H
+
+#include <linux/types.h>
+
+static inline unsigned long arch_local_save_flags(void)
+{
+ unsigned long flags;
+ asm volatile("move $ccr,%0" : "=rm" (flags) : : "memory");
+ return flags;
+}
+
+static inline void arch_local_irq_disable(void)
+{
+ asm volatile("di" : : : "memory");
+}
+
+static inline void arch_local_irq_enable(void)
+{
+ asm volatile("ei" : : : "memory");
+}
+
+static inline unsigned long arch_local_irq_save(void)
+{
+ unsigned long flags = arch_local_save_flags();
+ arch_local_irq_disable();
+ return flags;
+}
+
+static inline void arch_local_irq_restore(unsigned long flags)
+{
+ asm volatile("move %0,$ccr" : : "rm" (flags) : "memory");
+}
+
+static inline bool arch_irqs_disabled_flags(unsigned long flags)
+{
+ return !(flags & (1 << 5));
+}
+
+static inline bool arch_irqs_disabled(void)
+{
+ return arch_irqs_disabled_flags(arch_local_save_flags());
+}
+
+#endif /* __ASM_CRIS_ARCH_IRQFLAGS_H */
struct __xchg_dummy { unsigned long a[100]; };
#define __xg(x) ((struct __xchg_dummy *)(x))
-/* interrupt control.. */
-#define local_save_flags(x) __asm__ __volatile__ ("move $ccr,%0" : "=rm" (x) : : "memory");
-#define local_irq_restore(x) __asm__ __volatile__ ("move %0,$ccr" : : "rm" (x) : "memory");
-#define local_irq_disable() __asm__ __volatile__ ( "di" : : :"memory");
-#define local_irq_enable() __asm__ __volatile__ ( "ei" : : :"memory");
-
-#define irqs_disabled() \
-({ \
- unsigned long flags; \
- local_save_flags(flags); \
- !(flags & (1<<5)); \
-})
-
-/* For spinlocks etc */
-#define local_irq_save(x) __asm__ __volatile__ ("move $ccr,%0\n\tdi" : "=rm" (x) : : "memory");
-
#endif
--- /dev/null
+#ifndef __ASM_CRIS_ARCH_IRQFLAGS_H
+#define __ASM_CRIS_ARCH_IRQFLAGS_H
+
+#include <linux/types.h>
+#include <arch/ptrace.h>
+
+static inline unsigned long arch_local_save_flags(void)
+{
+ unsigned long flags;
+ asm volatile("move $ccs,%0" : "=rm" (flags) : : "memory");
+ return flags;
+}
+
+static inline void arch_local_irq_disable(void)
+{
+ asm volatile("di" : : : "memory");
+}
+
+static inline void arch_local_irq_enable(void)
+{
+ asm volatile("ei" : : : "memory");
+}
+
+static inline unsigned long arch_local_irq_save(void)
+{
+ unsigned long flags = arch_local_save_flags();
+ arch_local_irq_disable();
+ return flags;
+}
+
+static inline void arch_local_irq_restore(unsigned long flags)
+{
+ asm volatile("move %0,$ccs" : : "rm" (flags) : "memory");
+}
+
+static inline bool arch_irqs_disabled_flags(unsigned long flags)
+{
+ return !(flags & (1 << I_CCS_BITNR));
+}
+
+static inline bool arch_irqs_disabled(void)
+{
+ return arch_irqs_disabled_flags(arch_local_save_flags());
+}
+
+#endif /* __ASM_CRIS_ARCH_IRQFLAGS_H */
struct __xchg_dummy { unsigned long a[100]; };
#define __xg(x) ((struct __xchg_dummy *)(x))
-/* Used for interrupt control. */
-#define local_save_flags(x) \
- __asm__ __volatile__ ("move $ccs, %0" : "=rm" (x) : : "memory");
-
-#define local_irq_restore(x) \
- __asm__ __volatile__ ("move %0, $ccs" : : "rm" (x) : "memory");
-
-#define local_irq_disable() __asm__ __volatile__ ("di" : : : "memory");
-#define local_irq_enable() __asm__ __volatile__ ("ei" : : : "memory");
-
-#define irqs_disabled() \
-({ \
- unsigned long flags; \
- \
- local_save_flags(flags);\
- !(flags & (1 << I_CCS_BITNR)); \
-})
-
-/* Used for spinlocks, etc. */
-#define local_irq_save(x) \
- __asm__ __volatile__ ("move $ccs, %0\n\tdi" : "=rm" (x) : : "memory");
-
#endif /* _ASM_CRIS_ARCH_SYSTEM_H */
--- /dev/null
+#include <arch/irqflags.h>
#ifndef __ASM_CRIS_SYSTEM_H
#define __ASM_CRIS_SYSTEM_H
+#include <linux/irqflags.h>
#include <arch/system.h>
/* the switch_to macro calls resume, an asm function in entry.S which does the actual
--- /dev/null
+/* 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 */
mb(); \
} while(0)
-/*
- * 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
- */
-#define local_irq_disable() \
-do { \
- /* set Z flag, but don't change the C flag */ \
- asm volatile(" andcc gr0,gr0,gr0,icc2 \n" \
- : \
- : \
- : "memory", "icc2" \
- ); \
-} while(0)
-
-#define local_irq_enable() \
-do { \
- /* clear Z flag and then test the C flag */ \
- asm volatile(" oricc gr0,#1,gr0,icc2 \n" \
- " tihi icc2,gr0,#2 \n" \
- : \
- : \
- : "memory", "icc2" \
- ); \
-} while(0)
-
-#define local_save_flags(flags) \
-do { \
- typecheck(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 */ \
- flags &= 1UL; \
-} while(0)
-
-#define irqs_disabled() \
- ({unsigned long flags; local_save_flags(flags); !!flags; })
-
-#define local_irq_save(flags) \
-do { \
- typecheck(unsigned long, flags); \
- local_save_flags(flags); \
- local_irq_disable(); \
-} while(0)
-
-#define local_irq_restore(flags) \
-do { \
- typecheck(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 test Z=0 and C=0 */ \
- " tihi icc2,gr0,#2 \n" \
- : \
- : "r"(flags) \
- : "memory", "icc2" \
- ); \
- \
-} while(0)
-
-/*
- * real interrupt flag manipulation
- */
-#define __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 __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 __local_save_flags(flags) \
-do { \
- typecheck(unsigned long, flags); \
- asm("movsg psr,%0" \
- : "=r"(flags) \
- : \
- : "memory"); \
-} while(0)
-
-#define __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 __local_irq_restore(flags) \
-do { \
- typecheck(unsigned long, flags); \
- asm volatile(" movgs %0,psr \n" \
- : \
- : "r" (flags) \
- : "memory"); \
-} while(0)
-
-#define __irqs_disabled() \
- ((__get_PSR() & PSR_PIL) >= PSR_PIL_14)
-
/*
* Force strict CPU ordering.
*/
--- /dev/null
+#ifndef _H8300_IRQFLAGS_H
+#define _H8300_IRQFLAGS_H
+
+static inline unsigned long arch_local_save_flags(void)
+{
+ unsigned long flags;
+ asm volatile ("stc ccr,%w0" : "=r" (flags));
+ return flags;
+}
+
+static inline void arch_local_irq_disable(void)
+{
+ asm volatile ("orc #0x80,ccr" : : : "memory");
+}
+
+static inline void arch_local_irq_enable(void)
+{
+ asm volatile ("andc #0x7f,ccr" : : : "memory");
+}
+
+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 ("ldc %w0,ccr" : : "r" (flags) : "memory");
+}
+
+static inline bool arch_irqs_disabled_flags(unsigned long flags)
+{
+ return (flags & 0x80) == 0x80;
+}
+
+static inline bool arch_irqs_disabled(void)
+{
+ return arch_irqs_disabled_flags(arch_local_save_flags());
+}
+
+#endif /* _H8300_IRQFLAGS_H */
#define _H8300_SYSTEM_H
#include <linux/linkage.h>
+#include <linux/irqflags.h>
struct pt_regs;
(last) = _last; \
}
-#define __sti() asm volatile ("andc #0x7f,ccr")
-#define __cli() asm volatile ("orc #0x80,ccr")
-
-#define __save_flags(x) \
- asm volatile ("stc ccr,%w0":"=r" (x))
-
-#define __restore_flags(x) \
- asm volatile ("ldc %w0,ccr": :"r" (x))
-
-#define irqs_disabled() \
-({ \
- unsigned char flags; \
- __save_flags(flags); \
- ((flags & 0x80) == 0x80); \
-})
-
#define iret() __asm__ __volatile__ ("rte": : :"memory", "sp", "cc")
-/* For spinlocks etc */
-#define local_irq_disable() __cli()
-#define local_irq_enable() __sti()
-#define local_irq_save(x) ({ __save_flags(x); local_irq_disable(); })
-#define local_irq_restore(x) __restore_flags(x)
-#define local_save_flags(x) __save_flags(x)
-
/*
* Force strict CPU ordering.
* Not really required on H8...
--- /dev/null
+/*
+ * IRQ flags defines.
+ *
+ * Copyright (C) 1998-2003 Hewlett-Packard Co
+ * David Mosberger-Tang <davidm@hpl.hp.com>
+ * Copyright (C) 1999 Asit Mallick <asit.k.mallick@intel.com>
+ * Copyright (C) 1999 Don Dugger <don.dugger@intel.com>
+ */
+
+#ifndef _ASM_IA64_IRQFLAGS_H
+#define _ASM_IA64_IRQFLAGS_H
+
+#ifdef CONFIG_IA64_DEBUG_IRQ
+extern unsigned long last_cli_ip;
+static inline void arch_maybe_save_ip(unsigned long flags)
+{
+ if (flags & IA64_PSR_I)
+ last_cli_ip = ia64_getreg(_IA64_REG_IP);
+}
+#else
+#define arch_maybe_save_ip(flags) do {} while (0)
+#endif
+
+/*
+ * - clearing psr.i is implicitly serialized (visible by next insn)
+ * - setting psr.i requires data serialization
+ * - we need a stop-bit before reading PSR because we sometimes
+ * write a floating-point register right before reading the PSR
+ * and that writes to PSR.mfl
+ */
+
+static inline unsigned long arch_local_save_flags(void)
+{
+ ia64_stop();
+#ifdef CONFIG_PARAVIRT
+ return ia64_get_psr_i();
+#else
+ return ia64_getreg(_IA64_REG_PSR);
+#endif
+}
+
+static inline unsigned long arch_local_irq_save(void)
+{
+ unsigned long flags = arch_local_save_flags();
+
+ ia64_stop();
+ ia64_rsm(IA64_PSR_I);
+ arch_maybe_save_ip(flags);
+ return flags;
+}
+
+static inline void arch_local_irq_disable(void)
+{
+#ifdef CONFIG_IA64_DEBUG_IRQ
+ arch_local_irq_save();
+#else
+ ia64_stop();
+ ia64_rsm(IA64_PSR_I);
+#endif
+}
+
+static inline void arch_local_irq_enable(void)
+{
+ ia64_stop();
+ ia64_ssm(IA64_PSR_I);
+ ia64_srlz_d();
+}
+
+static inline void arch_local_irq_restore(unsigned long flags)
+{
+#ifdef CONFIG_IA64_DEBUG_IRQ
+ unsigned long old_psr = arch_local_save_flags();
+#endif
+ ia64_intrin_local_irq_restore(flags & IA64_PSR_I);
+ arch_maybe_save_ip(old_psr & ~flags);
+}
+
+static inline bool arch_irqs_disabled_flags(unsigned long flags)
+{
+ return (flags & IA64_PSR_I) == 0;
+}
+
+static inline bool arch_irqs_disabled(void)
+{
+ return arch_irqs_disabled_flags(arch_local_save_flags());
+}
+
+static inline void arch_safe_halt(void)
+{
+ ia64_pal_halt_light(); /* PAL_HALT_LIGHT */
+}
+
+
+#endif /* _ASM_IA64_IRQFLAGS_H */
*/
#define set_mb(var, value) do { (var) = (value); mb(); } while (0)
-#define safe_halt() ia64_pal_halt_light() /* PAL_HALT_LIGHT */
-
/*
* The group barrier in front of the rsm & ssm are necessary to ensure
* that none of the previous instructions in the same group are
* affected by the rsm/ssm.
*/
-/* For spinlocks etc */
-
-/*
- * - clearing psr.i is implicitly serialized (visible by next insn)
- * - setting psr.i requires data serialization
- * - we need a stop-bit before reading PSR because we sometimes
- * write a floating-point register right before reading the PSR
- * and that writes to PSR.mfl
- */
-#ifdef CONFIG_PARAVIRT
-#define __local_save_flags() ia64_get_psr_i()
-#else
-#define __local_save_flags() ia64_getreg(_IA64_REG_PSR)
-#endif
-
-#define __local_irq_save(x) \
-do { \
- ia64_stop(); \
- (x) = __local_save_flags(); \
- ia64_stop(); \
- ia64_rsm(IA64_PSR_I); \
-} while (0)
-
-#define __local_irq_disable() \
-do { \
- ia64_stop(); \
- ia64_rsm(IA64_PSR_I); \
-} while (0)
-
-#define __local_irq_restore(x) ia64_intrin_local_irq_restore((x) & IA64_PSR_I)
-
-#ifdef CONFIG_IA64_DEBUG_IRQ
-
- extern unsigned long last_cli_ip;
-
-# define __save_ip() last_cli_ip = ia64_getreg(_IA64_REG_IP)
-
-# define local_irq_save(x) \
-do { \
- unsigned long __psr; \
- \
- __local_irq_save(__psr); \
- if (__psr & IA64_PSR_I) \
- __save_ip(); \
- (x) = __psr; \
-} while (0)
-
-# define local_irq_disable() do { unsigned long __x; local_irq_save(__x); } while (0)
-
-# define local_irq_restore(x) \
-do { \
- unsigned long __old_psr, __psr = (x); \
- \
- local_save_flags(__old_psr); \
- __local_irq_restore(__psr); \
- if ((__old_psr & IA64_PSR_I) && !(__psr & IA64_PSR_I)) \
- __save_ip(); \
-} while (0)
-
-#else /* !CONFIG_IA64_DEBUG_IRQ */
-# define local_irq_save(x) __local_irq_save(x)
-# define local_irq_disable() __local_irq_disable()
-# define local_irq_restore(x) __local_irq_restore(x)
-#endif /* !CONFIG_IA64_DEBUG_IRQ */
-
-#define local_irq_enable() ({ ia64_stop(); ia64_ssm(IA64_PSR_I); ia64_srlz_d(); })
-#define local_save_flags(flags) ({ ia64_stop(); (flags) = __local_save_flags(); })
-
-#define irqs_disabled() \
-({ \
- unsigned long __ia64_id_flags; \
- local_save_flags(__ia64_id_flags); \
- (__ia64_id_flags & IA64_PSR_I) == 0; \
-})
#ifdef __KERNEL__
--- /dev/null
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 2001 Hiroyuki Kondo, Hirokazu Takata, and Hitoshi Yamamoto
+ * Copyright (C) 2004, 2006 Hirokazu Takata <takata at linux-m32r.org>
+ */
+
+#ifndef _ASM_M32R_IRQFLAGS_H
+#define _ASM_M32R_IRQFLAGS_H
+
+#include <linux/types.h>
+
+static inline unsigned long arch_local_save_flags(void)
+{
+ unsigned long flags;
+ asm volatile("mvfc %0,psw" : "=r"(flags));
+ return flags;
+}
+
+static inline void arch_local_irq_disable(void)
+{
+#if !defined(CONFIG_CHIP_M32102) && !defined(CONFIG_CHIP_M32104)
+ asm volatile (
+ "clrpsw #0x40 -> nop"
+ : : : "memory");
+#else
+ unsigned long tmpreg0, tmpreg1;
+ asm volatile (
+ "ld24 %0, #0 ; Use 32-bit insn. \n\t"
+ "mvfc %1, psw ; No interrupt can be accepted here. \n\t"
+ "mvtc %0, psw \n\t"
+ "and3 %0, %1, #0xffbf \n\t"
+ "mvtc %0, psw \n\t"
+ : "=&r" (tmpreg0), "=&r" (tmpreg1)
+ :
+ : "cbit", "memory");
+#endif
+}
+
+static inline void arch_local_irq_enable(void)
+{
+#if !defined(CONFIG_CHIP_M32102) && !defined(CONFIG_CHIP_M32104)
+ asm volatile (
+ "setpsw #0x40 -> nop"
+ : : : "memory");
+#else
+ unsigned long tmpreg;
+ asm volatile (
+ "mvfc %0, psw; \n\t"
+ "or3 %0, %0, #0x0040; \n\t"
+ "mvtc %0, psw; \n\t"
+ : "=&r" (tmpreg)
+ :
+ : "cbit", "memory");
+#endif
+}
+
+static inline unsigned long arch_local_irq_save(void)
+{
+ unsigned long flags;
+
+#if !(defined(CONFIG_CHIP_M32102) || defined(CONFIG_CHIP_M32104))
+ asm volatile (
+ "mvfc %0, psw; \n\t"
+ "clrpsw #0x40 -> nop; \n\t"
+ : "=r" (flags)
+ :
+ : "memory");
+#else
+ unsigned long tmpreg;
+ asm volatile (
+ "ld24 %1, #0 \n\t"
+ "mvfc %0, psw \n\t"
+ "mvtc %1, psw \n\t"
+ "and3 %1, %0, #0xffbf \n\t"
+ "mvtc %1, psw \n\t"
+ : "=r" (flags), "=&r" (tmpreg)
+ :
+ : "cbit", "memory");
+#endif
+ return flags;
+}
+
+static inline void arch_local_irq_restore(unsigned long flags)
+{
+ asm volatile("mvtc %0,psw"
+ :
+ : "r" (flags)
+ : "cbit", "memory");
+}
+
+static inline bool arch_irqs_disabled_flags(unsigned long flags)
+{
+ return !(flags & 0x40);
+}
+
+static inline bool arch_irqs_disabled(void)
+{
+ return arch_irqs_disabled_flags(arch_local_save_flags());
+}
+
+#endif /* _ASM_M32R_IRQFLAGS_H */
*/
#include <linux/compiler.h>
+#include <linux/irqflags.h>
#include <asm/assembler.h>
#ifdef __KERNEL__
); \
} while(0)
-/* Interrupt Control */
-#if !defined(CONFIG_CHIP_M32102) && !defined(CONFIG_CHIP_M32104)
-#define local_irq_enable() \
- __asm__ __volatile__ ("setpsw #0x40 -> nop": : :"memory")
-#define local_irq_disable() \
- __asm__ __volatile__ ("clrpsw #0x40 -> nop": : :"memory")
-#else /* CONFIG_CHIP_M32102 || CONFIG_CHIP_M32104 */
-static inline void local_irq_enable(void)
-{
- unsigned long tmpreg;
- __asm__ __volatile__(
- "mvfc %0, psw; \n\t"
- "or3 %0, %0, #0x0040; \n\t"
- "mvtc %0, psw; \n\t"
- : "=&r" (tmpreg) : : "cbit", "memory");
-}
-
-static inline void local_irq_disable(void)
-{
- unsigned long tmpreg0, tmpreg1;
- __asm__ __volatile__(
- "ld24 %0, #0 ; Use 32-bit insn. \n\t"
- "mvfc %1, psw ; No interrupt can be accepted here. \n\t"
- "mvtc %0, psw \n\t"
- "and3 %0, %1, #0xffbf \n\t"
- "mvtc %0, psw \n\t"
- : "=&r" (tmpreg0), "=&r" (tmpreg1) : : "cbit", "memory");
-}
-#endif /* CONFIG_CHIP_M32102 || CONFIG_CHIP_M32104 */
-
-#define local_save_flags(x) \
- __asm__ __volatile__("mvfc %0,psw" : "=r"(x) : /* no input */)
-
-#define local_irq_restore(x) \
- __asm__ __volatile__("mvtc %0,psw" : /* no outputs */ \
- : "r" (x) : "cbit", "memory")
-
-#if !(defined(CONFIG_CHIP_M32102) || defined(CONFIG_CHIP_M32104))
-#define local_irq_save(x) \
- __asm__ __volatile__( \
- "mvfc %0, psw; \n\t" \
- "clrpsw #0x40 -> nop; \n\t" \
- : "=r" (x) : /* no input */ : "memory")
-#else /* CONFIG_CHIP_M32102 || CONFIG_CHIP_M32104 */
-#define local_irq_save(x) \
- ({ \
- unsigned long tmpreg; \
- __asm__ __volatile__( \
- "ld24 %1, #0 \n\t" \
- "mvfc %0, psw \n\t" \
- "mvtc %1, psw \n\t" \
- "and3 %1, %0, #0xffbf \n\t" \
- "mvtc %1, psw \n\t" \
- : "=r" (x), "=&r" (tmpreg) \
- : : "cbit", "memory"); \
- })
-#endif /* CONFIG_CHIP_M32102 || CONFIG_CHIP_M32104 */
-
-#define irqs_disabled() \
- ({ \
- unsigned long flags; \
- local_save_flags(flags); \
- !(flags & 0x40); \
- })
-
#define nop() __asm__ __volatile__ ("nop" : : )
#define xchg(ptr, x) \
* M68K COLDFIRE
*/
-#define ALLOWINT 0xf8ff
+#define ALLOWINT (~0x700)
#ifdef __ASSEMBLY__
--- /dev/null
+#ifndef _M68K_IRQFLAGS_H
+#define _M68K_IRQFLAGS_H
+
+#include <linux/types.h>
+#include <linux/hardirq.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)
+{
+ return (flags & ~ALLOWINT) != 0;
+}
+
+static inline bool arch_irqs_disabled(void)
+{
+ return arch_irqs_disabled_flags(arch_local_save_flags());
+}
+
+#endif /* _M68K_IRQFLAGS_H */
#include <linux/linkage.h>
#include <linux/kernel.h>
+#include <linux/irqflags.h>
#include <asm/segment.h>
#include <asm/entry.h>
#define smp_wmb() barrier()
#define smp_read_barrier_depends() ((void)0)
-/* interrupt control.. */
-#if 0
-#define local_irq_enable() asm volatile ("andiw %0,%%sr": : "i" (ALLOWINT) : "memory")
-#else
-#include <linux/hardirq.h>
-#define local_irq_enable() ({ \
- if (MACH_IS_Q40 || !hardirq_count()) \
- asm volatile ("andiw %0,%%sr": : "i" (ALLOWINT) : "memory"); \
-})
-#endif
-#define local_irq_disable() asm volatile ("oriw #0x0700,%%sr": : : "memory")
-#define local_save_flags(x) asm volatile ("movew %%sr,%0":"=d" (x) : : "memory")
-#define local_irq_restore(x) asm volatile ("movew %0,%%sr": :"d" (x) : "memory")
-
-static inline int irqs_disabled(void)
-{
- unsigned long flags;
- local_save_flags(flags);
- return flags & ~ALLOWINT;
-}
-
-/* For spinlocks etc */
-#define local_irq_save(x) ({ local_save_flags(x); local_irq_disable(); })
-
#define xchg(ptr,x) ((__typeof__(*(ptr)))__xchg((unsigned long)(x),(ptr),sizeof(*(ptr))))
struct __xchg_dummy { unsigned long a[100]; };
#define _M68KNOMMU_SYSTEM_H
#include <linux/linkage.h>
+#include <linux/irqflags.h>
#include <asm/segment.h>
#include <asm/entry.h>
(last) = _last; \
}
-#ifdef CONFIG_COLDFIRE
-#define local_irq_enable() __asm__ __volatile__ ( \
- "move %/sr,%%d0\n\t" \
- "andi.l #0xf8ff,%%d0\n\t" \
- "move %%d0,%/sr\n" \
- : /* no outputs */ \
- : \
- : "cc", "%d0", "memory")
-#define local_irq_disable() __asm__ __volatile__ ( \
- "move %/sr,%%d0\n\t" \
- "ori.l #0x0700,%%d0\n\t" \
- "move %%d0,%/sr\n" \
- : /* no outputs */ \
- : \
- : "cc", "%d0", "memory")
-/* For spinlocks etc */
-#define local_irq_save(x) __asm__ __volatile__ ( \
- "movew %%sr,%0\n\t" \
- "movew #0x0700,%%d0\n\t" \
- "or.l %0,%%d0\n\t" \
- "movew %%d0,%/sr" \
- : "=d" (x) \
- : \
- : "cc", "%d0", "memory")
-#else
-
-/* portable version */ /* FIXME - see entry.h*/
-#define ALLOWINT 0xf8ff
-
-#define local_irq_enable() asm volatile ("andiw %0,%%sr": : "i" (ALLOWINT) : "memory")
-#define local_irq_disable() asm volatile ("oriw #0x0700,%%sr": : : "memory")
-#endif
-
-#define local_save_flags(x) asm volatile ("movew %%sr,%0":"=d" (x) : : "memory")
-#define local_irq_restore(x) asm volatile ("movew %0,%%sr": :"d" (x) : "memory")
-
-/* For spinlocks etc */
-#ifndef local_irq_save
-#define local_irq_save(x) do { local_save_flags(x); local_irq_disable(); } while (0)
-#endif
-
-#define irqs_disabled() \
-({ \
- unsigned long flags; \
- local_save_flags(flags); \
- ((flags & 0x0700) == 0x0700); \
-})
-
#define iret() __asm__ __volatile__ ("rte": : :"memory", "sp", "cc")
/*
#define arch_align_stack(x) (x)
-static inline int irqs_disabled_flags(unsigned long flags)
-{
- if (flags & 0x0700)
- return 0;
- else
- return 1;
-}
-
#endif /* _M68KNOMMU_SYSTEM_H */
DEFINE(PT_PTRACED, PT_PTRACED);
- DEFINE(THREAD_SIZE, THREAD_SIZE);
-
/* Offsets in thread_info structure */
DEFINE(TI_TASK, offsetof(struct thread_info, task));
DEFINE(TI_EXECDOMAIN, offsetof(struct thread_info, exec_domain));
#include <asm/coldfire.h>
#include <asm/mcfcache.h>
#include <asm/mcfsim.h>
+#include <asm/thread_info.h>
/*****************************************************************************/
#ifndef _ASM_MICROBLAZE_IRQFLAGS_H
#define _ASM_MICROBLAZE_IRQFLAGS_H
-#include <linux/irqflags.h>
+#include <linux/types.h>
#include <asm/registers.h>
-# if CONFIG_XILINX_MICROBLAZE0_USE_MSR_INSTR
-
-# define raw_local_irq_save(flags) \
- do { \
- asm volatile (" msrclr %0, %1; \
- nop;" \
- : "=r"(flags) \
- : "i"(MSR_IE) \
- : "memory"); \
- } while (0)
-
-# define raw_local_irq_disable() \
- do { \
- asm volatile (" msrclr r0, %0; \
- nop;" \
- : \
- : "i"(MSR_IE) \
- : "memory"); \
- } while (0)
-
-# define raw_local_irq_enable() \
- do { \
- asm volatile (" msrset r0, %0; \
- nop;" \
- : \
- : "i"(MSR_IE) \
- : "memory"); \
- } while (0)
-
-# else /* CONFIG_XILINX_MICROBLAZE0_USE_MSR_INSTR == 0 */
-
-# define raw_local_irq_save(flags) \
- do { \
- register unsigned tmp; \
- asm volatile (" mfs %0, rmsr; \
- nop; \
- andi %1, %0, %2; \
- mts rmsr, %1; \
- nop;" \
- : "=r"(flags), "=r" (tmp) \
- : "i"(~MSR_IE) \
- : "memory"); \
- } while (0)
-
-# define raw_local_irq_disable() \
- do { \
- register unsigned tmp; \
- asm volatile (" mfs %0, rmsr; \
- nop; \
- andi %0, %0, %1; \
- mts rmsr, %0; \
- nop;" \
- : "=r"(tmp) \
- : "i"(~MSR_IE) \
- : "memory"); \
- } while (0)
-
-# define raw_local_irq_enable() \
- do { \
- register unsigned tmp; \
- asm volatile (" mfs %0, rmsr; \
- nop; \
- ori %0, %0, %1; \
- mts rmsr, %0; \
- nop;" \
- : "=r"(tmp) \
- : "i"(MSR_IE) \
- : "memory"); \
- } while (0)
-
-# endif /* CONFIG_XILINX_MICROBLAZE0_USE_MSR_INSTR */
-
-#define raw_local_irq_restore(flags) \
- do { \
- asm volatile (" mts rmsr, %0; \
- nop;" \
- : \
- : "r"(flags) \
- : "memory"); \
- } while (0)
-
-static inline unsigned long get_msr(void)
+#ifdef CONFIG_XILINX_MICROBLAZE0_USE_MSR_INSTR
+
+static inline unsigned long arch_local_irq_save(void)
+{
+ unsigned long flags;
+ asm volatile(" msrclr %0, %1 \n"
+ " nop \n"
+ : "=r"(flags)
+ : "i"(MSR_IE)
+ : "memory");
+ return flags;
+}
+
+static inline void arch_local_irq_disable(void)
+{
+ /* this uses r0 without declaring it - is that correct? */
+ asm volatile(" msrclr r0, %0 \n"
+ " nop \n"
+ :
+ : "i"(MSR_IE)
+ : "memory");
+}
+
+static inline void arch_local_irq_enable(void)
+{
+ /* this uses r0 without declaring it - is that correct? */
+ asm volatile(" msrset r0, %0 \n"
+ " nop \n"
+ :
+ : "i"(MSR_IE)
+ : "memory");
+}
+
+#else /* !CONFIG_XILINX_MICROBLAZE0_USE_MSR_INSTR */
+
+static inline unsigned long arch_local_irq_save(void)
+{
+ unsigned long flags, tmp;
+ asm volatile (" mfs %0, rmsr \n"
+ " nop \n"
+ " andi %1, %0, %2 \n"
+ " mts rmsr, %1 \n"
+ " nop \n"
+ : "=r"(flags), "=r"(tmp)
+ : "i"(~MSR_IE)
+ : "memory");
+ return flags;
+}
+
+static inline void arch_local_irq_disable(void)
+{
+ unsigned long tmp;
+ asm volatile(" mfs %0, rmsr \n"
+ " nop \n"
+ " andi %0, %0, %1 \n"
+ " mts rmsr, %0 \n"
+ " nop \n"
+ : "=r"(tmp)
+ : "i"(~MSR_IE)
+ : "memory");
+}
+
+static inline void arch_local_irq_enable(void)
+{
+ unsigned long tmp;
+ asm volatile(" mfs %0, rmsr \n"
+ " nop \n"
+ " ori %0, %0, %1 \n"
+ " mts rmsr, %0 \n"
+ " nop \n"
+ : "=r"(tmp)
+ : "i"(MSR_IE)
+ : "memory");
+}
+
+#endif /* CONFIG_XILINX_MICROBLAZE0_USE_MSR_INSTR */
+
+static inline unsigned long arch_local_save_flags(void)
{
unsigned long flags;
- asm volatile (" mfs %0, rmsr; \
- nop;" \
- : "=r"(flags) \
- : \
- : "memory"); \
+ asm volatile(" mfs %0, rmsr \n"
+ " nop \n"
+ : "=r"(flags)
+ :
+ : "memory");
return flags;
}
-#define raw_local_save_flags(flags) ((flags) = get_msr())
-#define raw_irqs_disabled() ((get_msr() & MSR_IE) == 0)
-#define raw_irqs_disabled_flags(flags) ((flags & MSR_IE) == 0)
+static inline void arch_local_irq_restore(unsigned long flags)
+{
+ asm volatile(" mts rmsr, %0 \n"
+ " nop \n"
+ :
+ : "r"(flags)
+ : "memory");
+}
+
+static inline bool arch_irqs_disabled_flags(unsigned long flags)
+{
+ return (flags & MSR_IE) == 0;
+}
+
+static inline bool arch_irqs_disabled(void)
+{
+ return arch_irqs_disabled_flags(arch_local_save_flags());
+}
#endif /* _ASM_MICROBLAZE_IRQFLAGS_H */
#include <asm/hazards.h>
__asm__(
- " .macro raw_local_irq_enable \n"
+ " .macro arch_local_irq_enable \n"
" .set push \n"
" .set reorder \n"
" .set noat \n"
extern void smtc_ipi_replay(void);
-static inline void raw_local_irq_enable(void)
+static inline void arch_local_irq_enable(void)
{
#ifdef CONFIG_MIPS_MT_SMTC
/*
smtc_ipi_replay();
#endif
__asm__ __volatile__(
- "raw_local_irq_enable"
+ "arch_local_irq_enable"
: /* no outputs */
: /* no inputs */
: "memory");
* Workaround: mask EXL bit of the result or place a nop before mfc0.
*/
__asm__(
- " .macro raw_local_irq_disable\n"
+ " .macro arch_local_irq_disable\n"
" .set push \n"
" .set noat \n"
#ifdef CONFIG_MIPS_MT_SMTC
" .set pop \n"
" .endm \n");
-static inline void raw_local_irq_disable(void)
+static inline void arch_local_irq_disable(void)
{
__asm__ __volatile__(
- "raw_local_irq_disable"
+ "arch_local_irq_disable"
: /* no outputs */
: /* no inputs */
: "memory");
}
__asm__(
- " .macro raw_local_save_flags flags \n"
+ " .macro arch_local_save_flags flags \n"
" .set push \n"
" .set reorder \n"
#ifdef CONFIG_MIPS_MT_SMTC
" .set pop \n"
" .endm \n");
-#define raw_local_save_flags(x) \
-__asm__ __volatile__( \
- "raw_local_save_flags %0" \
- : "=r" (x))
+static inline unsigned long arch_local_save_flags(void)
+{
+ unsigned long flags;
+ asm volatile("arch_local_save_flags %0" : "=r" (flags));
+ return flags;
+}
__asm__(
- " .macro raw_local_irq_save result \n"
+ " .macro arch_local_irq_save result \n"
" .set push \n"
" .set reorder \n"
" .set noat \n"
" .set pop \n"
" .endm \n");
-#define raw_local_irq_save(x) \
-__asm__ __volatile__( \
- "raw_local_irq_save\t%0" \
- : "=r" (x) \
- : /* no inputs */ \
- : "memory")
+static inline unsigned long arch_local_irq_save(void)
+{
+ unsigned long flags;
+ asm volatile("arch_local_irq_save\t%0"
+ : "=r" (flags)
+ : /* no inputs */
+ : "memory");
+ return flags;
+}
__asm__(
- " .macro raw_local_irq_restore flags \n"
+ " .macro arch_local_irq_restore flags \n"
" .set push \n"
" .set noreorder \n"
" .set noat \n"
" .endm \n");
-static inline void raw_local_irq_restore(unsigned long flags)
+static inline void arch_local_irq_restore(unsigned long flags)
{
unsigned long __tmp1;
#endif
__asm__ __volatile__(
- "raw_local_irq_restore\t%0"
+ "arch_local_irq_restore\t%0"
: "=r" (__tmp1)
: "0" (flags)
: "memory");
}
-static inline void __raw_local_irq_restore(unsigned long flags)
+static inline void __arch_local_irq_restore(unsigned long flags)
{
unsigned long __tmp1;
__asm__ __volatile__(
- "raw_local_irq_restore\t%0"
+ "arch_local_irq_restore\t%0"
: "=r" (__tmp1)
: "0" (flags)
: "memory");
}
-static inline int raw_irqs_disabled_flags(unsigned long flags)
+static inline int arch_irqs_disabled_flags(unsigned long flags)
{
#ifdef CONFIG_MIPS_MT_SMTC
/*
* but it's more efficient, given that we're already
* running down the IPI queue.
*/
- __raw_local_irq_restore(flags);
+ __arch_local_irq_restore(flags);
}
}
/*
** But use a raw restore here to avoid recursion.
*/
- __raw_local_irq_restore(flags);
+ __arch_local_irq_restore(flags);
if (pipi) {
self_ipi(pipi);
--- /dev/null
+/* MN10300 IRQ flag 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
+
+#include <asm/cpu-regs.h>
+
+/*
+ * interrupt control
+ * - "disabled": run in IM1/2
+ * - level 0 - GDB stub
+ * - level 1 - virtual serial DMA (if present)
+ * - level 5 - normal interrupt priority
+ * - level 6 - timer interrupt
+ * - "enabled": run in IM7
+ */
+#ifdef CONFIG_MN10300_TTYSM
+#define MN10300_CLI_LEVEL EPSW_IM_2
+#else
+#define MN10300_CLI_LEVEL EPSW_IM_1
+#endif
+
+#ifndef __ASSEMBLY__
+
+static inline unsigned long arch_local_save_flags(void)
+{
+ unsigned long flags;
+
+ asm volatile("mov epsw,%0" : "=d"(flags));
+ return flags;
+}
+
+static inline void arch_local_irq_disable(void)
+{
+ asm volatile(
+ " and %0,epsw \n"
+ " or %1,epsw \n"
+ " nop \n"
+ " nop \n"
+ " nop \n"
+ :
+ : "i"(~EPSW_IM), "i"(EPSW_IE | MN10300_CLI_LEVEL)
+ : "memory");
+}
+
+static inline unsigned long arch_local_irq_save(void)
+{
+ unsigned long flags;
+
+ flags = arch_local_save_flags();
+ arch_local_irq_disable();
+ return flags;
+}
+
+/*
+ * we make sure arch_irq_enable() doesn't cause priority inversion
+ */
+extern unsigned long __mn10300_irq_enabled_epsw;
+
+static inline void arch_local_irq_enable(void)
+{
+ unsigned long tmp;
+
+ asm volatile(
+ " mov epsw,%0 \n"
+ " and %1,%0 \n"
+ " or %2,%0 \n"
+ " mov %0,epsw \n"
+ : "=&d"(tmp)
+ : "i"(~EPSW_IM), "r"(__mn10300_irq_enabled_epsw)
+ : "memory");
+}
+
+static inline void arch_local_irq_restore(unsigned long flags)
+{
+ asm volatile(
+ " mov %0,epsw \n"
+ " nop \n"
+ " nop \n"
+ " nop \n"
+ :
+ : "d"(flags)
+ : "memory", "cc");
+}
+
+static inline bool arch_irqs_disabled_flags(unsigned long flags)
+{
+ return (flags & EPSW_IM) <= MN10300_CLI_LEVEL;
+}
+
+static inline bool arch_irqs_disabled(void)
+{
+ return arch_irqs_disabled_flags(arch_local_save_flags());
+}
+
+/*
+ * Hook to save power by halting the CPU
+ * - called from the idle loop
+ * - must reenable interrupts (which takes three instruction cycles to complete)
+ */
+static inline void arch_safe_halt(void)
+{
+ asm volatile(
+ " or %0,epsw \n"
+ " nop \n"
+ " nop \n"
+ " bset %2,(%1) \n"
+ :
+ : "i"(EPSW_IE|EPSW_IM), "n"(&CPUM), "i"(CPUM_SLEEP)
+ : "cc");
+}
+
+#endif /* __ASSEMBLY__ */
+#endif /* _ASM_IRQFLAGS_H */
#ifndef __ASSEMBLY__
#include <linux/kernel.h>
+#include <linux/irqflags.h>
struct task_struct;
struct thread_struct;
#define read_barrier_depends() do {} while (0)
#define smp_read_barrier_depends() do {} while (0)
-/*****************************************************************************/
-/*
- * interrupt control
- * - "disabled": run in IM1/2
- * - level 0 - GDB stub
- * - level 1 - virtual serial DMA (if present)
- * - level 5 - normal interrupt priority
- * - level 6 - timer interrupt
- * - "enabled": run in IM7
- */
-#ifdef CONFIG_MN10300_TTYSM
-#define MN10300_CLI_LEVEL EPSW_IM_2
-#else
-#define MN10300_CLI_LEVEL EPSW_IM_1
-#endif
-
-#define local_save_flags(x) \
-do { \
- typecheck(unsigned long, x); \
- asm volatile( \
- " mov epsw,%0 \n" \
- : "=d"(x) \
- ); \
-} while (0)
-
-#define local_irq_disable() \
-do { \
- asm volatile( \
- " and %0,epsw \n" \
- " or %1,epsw \n" \
- " nop \n" \
- " nop \n" \
- " nop \n" \
- : \
- : "i"(~EPSW_IM), "i"(EPSW_IE | MN10300_CLI_LEVEL) \
- ); \
-} while (0)
-
-#define local_irq_save(x) \
-do { \
- local_save_flags(x); \
- local_irq_disable(); \
-} while (0)
-
-/*
- * we make sure local_irq_enable() doesn't cause priority inversion
- */
-#ifndef __ASSEMBLY__
-
-extern unsigned long __mn10300_irq_enabled_epsw;
-
-#endif
-
-#define local_irq_enable() \
-do { \
- unsigned long tmp; \
- \
- asm volatile( \
- " mov epsw,%0 \n" \
- " and %1,%0 \n" \
- " or %2,%0 \n" \
- " mov %0,epsw \n" \
- : "=&d"(tmp) \
- : "i"(~EPSW_IM), "r"(__mn10300_irq_enabled_epsw) \
- : "cc" \
- ); \
-} while (0)
-
-#define local_irq_restore(x) \
-do { \
- typecheck(unsigned long, x); \
- asm volatile( \
- " mov %0,epsw \n" \
- " nop \n" \
- " nop \n" \
- " nop \n" \
- : \
- : "d"(x) \
- : "memory", "cc" \
- ); \
-} while (0)
-
-#define irqs_disabled() \
-({ \
- unsigned long flags; \
- local_save_flags(flags); \
- (flags & EPSW_IM) <= MN10300_CLI_LEVEL; \
-})
-
-/* hook to save power by halting the CPU
- * - called from the idle loop
- * - must reenable interrupts (which takes three instruction cycles to complete)
- */
-#define safe_halt() \
-do { \
- asm volatile(" or %0,epsw \n" \
- " nop \n" \
- " nop \n" \
- " bset %2,(%1) \n" \
- : \
- : "i"(EPSW_IE|EPSW_IM), "n"(&CPUM), "i"(CPUM_SLEEP)\
- : "cc" \
- ); \
-} while (0)
-
-#define STI or EPSW_IE|EPSW_IM,epsw
-#define CLI and ~EPSW_IM,epsw; or EPSW_IE|MN10300_CLI_LEVEL,epsw; nop; nop; nop
-
/*****************************************************************************/
/*
* MN10300 doesn't actually have an exchange instruction
#include <linux/linkage.h>
#include <asm/smp.h>
#include <asm/system.h>
+#include <asm/irqflags.h>
#include <asm/thread_info.h>
#include <asm/intctl-regs.h>
#include <asm/busctl-regs.h>
--- /dev/null
+#ifndef __PARISC_IRQFLAGS_H
+#define __PARISC_IRQFLAGS_H
+
+#include <linux/types.h>
+#include <asm/psw.h>
+
+static inline unsigned long arch_local_save_flags(void)
+{
+ unsigned long flags;
+ asm volatile("ssm 0, %0" : "=r" (flags) : : "memory");
+ return flags;
+}
+
+static inline void arch_local_irq_disable(void)
+{
+ asm volatile("rsm %0,%%r0\n" : : "i" (PSW_I) : "memory");
+}
+
+static inline void arch_local_irq_enable(void)
+{
+ asm volatile("ssm %0,%%r0\n" : : "i" (PSW_I) : "memory");
+}
+
+static inline unsigned long arch_local_irq_save(void)
+{
+ unsigned long flags;
+ asm volatile("rsm %1,%0" : "=r" (flags) : "i" (PSW_I) : "memory");
+ return flags;
+}
+
+static inline void arch_local_irq_restore(unsigned long flags)
+{
+ asm volatile("mtsm %0" : : "r" (flags) : "memory");
+}
+
+static inline bool arch_irqs_disabled_flags(unsigned long flags)
+{
+ return (flags & PSW_I) == 0;
+}
+
+static inline bool arch_irqs_disabled(void)
+{
+ return arch_irqs_disabled_flags(arch_local_save_flags());
+}
+
+#endif /* __PARISC_IRQFLAGS_H */
#ifndef __PARISC_SYSTEM_H
#define __PARISC_SYSTEM_H
-#include <asm/psw.h>
+#include <linux/irqflags.h>
/* The program status word as bitfields. */
struct pa_psw {
(last) = _switch_to(prev, next); \
} while(0)
-/* interrupt control */
-#define local_save_flags(x) __asm__ __volatile__("ssm 0, %0" : "=r" (x) : : "memory")
-#define local_irq_disable() __asm__ __volatile__("rsm %0,%%r0\n" : : "i" (PSW_I) : "memory" )
-#define local_irq_enable() __asm__ __volatile__("ssm %0,%%r0\n" : : "i" (PSW_I) : "memory" )
-
-#define local_irq_save(x) \
- __asm__ __volatile__("rsm %1,%0" : "=r" (x) :"i" (PSW_I) : "memory" )
-#define local_irq_restore(x) \
- __asm__ __volatile__("mtsm %0" : : "r" (x) : "memory" )
-
-#define irqs_disabled() \
-({ \
- unsigned long flags; \
- local_save_flags(flags); \
- (flags & PSW_I) == 0; \
-})
-
#define mfctl(reg) ({ \
unsigned long cr; \
__asm__ __volatile__( \
#ifdef CONFIG_PPC64
#include <asm/paca.h>
-static inline unsigned long local_get_flags(void)
+static inline unsigned long arch_local_save_flags(void)
{
unsigned long flags;
- __asm__ __volatile__("lbz %0,%1(13)"
- : "=r" (flags)
- : "i" (offsetof(struct paca_struct, soft_enabled)));
+ asm volatile(
+ "lbz %0,%1(13)"
+ : "=r" (flags)
+ : "i" (offsetof(struct paca_struct, soft_enabled)));
return flags;
}
-static inline unsigned long raw_local_irq_disable(void)
+static inline unsigned long arch_local_irq_disable(void)
{
unsigned long flags, zero;
- __asm__ __volatile__("li %1,0; lbz %0,%2(13); stb %1,%2(13)"
- : "=r" (flags), "=&r" (zero)
- : "i" (offsetof(struct paca_struct, soft_enabled))
- : "memory");
+ asm volatile(
+ "li %1,0; lbz %0,%2(13); stb %1,%2(13)"
+ : "=r" (flags), "=&r" (zero)
+ : "i" (offsetof(struct paca_struct, soft_enabled))
+ : "memory");
return flags;
}
-extern void raw_local_irq_restore(unsigned long);
+extern void arch_local_irq_restore(unsigned long);
extern void iseries_handle_interrupts(void);
-#define raw_local_irq_enable() raw_local_irq_restore(1)
-#define raw_local_save_flags(flags) ((flags) = local_get_flags())
-#define raw_local_irq_save(flags) ((flags) = raw_local_irq_disable())
+static inline void arch_local_irq_enable(void)
+{
+ arch_local_irq_restore(1);
+}
+
+static inline unsigned long arch_local_irq_save(void)
+{
+ return arch_local_irq_disable();
+}
+
+static inline bool arch_irqs_disabled_flags(unsigned long flags)
+{
+ return flags == 0;
+}
-#define raw_irqs_disabled() (local_get_flags() == 0)
-#define raw_irqs_disabled_flags(flags) ((flags) == 0)
+static inline bool arch_irqs_disabled(void)
+{
+ return arch_irqs_disabled_flags(arch_local_save_flags());
+}
#ifdef CONFIG_PPC_BOOK3E
-#define __hard_irq_enable() __asm__ __volatile__("wrteei 1": : :"memory");
-#define __hard_irq_disable() __asm__ __volatile__("wrteei 0": : :"memory");
+#define __hard_irq_enable() asm volatile("wrteei 1" : : : "memory");
+#define __hard_irq_disable() asm volatile("wrteei 0" : : : "memory");
#else
#define __hard_irq_enable() __mtmsrd(mfmsr() | MSR_EE, 1)
#define __hard_irq_disable() __mtmsrd(mfmsr() & ~MSR_EE, 1)
get_paca()->hard_enabled = 0; \
} while(0)
-#else
+#else /* CONFIG_PPC64 */
-#if defined(CONFIG_BOOKE)
#define SET_MSR_EE(x) mtmsr(x)
-#define raw_local_irq_restore(flags) __asm__ __volatile__("wrtee %0" : : "r" (flags) : "memory")
+
+static inline unsigned long arch_local_save_flags(void)
+{
+ return mfmsr();
+}
+
+static inline void arch_local_irq_restore(unsigned long flags)
+{
+#if defined(CONFIG_BOOKE)
+ asm volatile("wrtee %0" : : "r" (flags) : "memory");
#else
-#define SET_MSR_EE(x) mtmsr(x)
-#define raw_local_irq_restore(flags) mtmsr(flags)
+ mtmsr(flags);
#endif
+}
-static inline void raw_local_irq_disable(void)
+static inline unsigned long arch_local_irq_save(void)
{
+ unsigned long flags = arch_local_save_flags();
#ifdef CONFIG_BOOKE
- __asm__ __volatile__("wrteei 0": : :"memory");
+ asm volatile("wrteei 0" : : : "memory");
#else
- unsigned long msr;
-
- msr = mfmsr();
- SET_MSR_EE(msr & ~MSR_EE);
+ SET_MSR_EE(flags & ~MSR_EE);
#endif
+ return flags;
}
-static inline void raw_local_irq_enable(void)
+static inline void arch_local_irq_disable(void)
{
#ifdef CONFIG_BOOKE
- __asm__ __volatile__("wrteei 1": : :"memory");
+ asm volatile("wrteei 0" : : : "memory");
#else
- unsigned long msr;
-
- msr = mfmsr();
- SET_MSR_EE(msr | MSR_EE);
+ arch_local_irq_save();
#endif
}
-static inline void raw_local_irq_save_ptr(unsigned long *flags)
+static inline void arch_local_irq_enable(void)
{
- unsigned long msr;
- msr = mfmsr();
- *flags = msr;
#ifdef CONFIG_BOOKE
- __asm__ __volatile__("wrteei 0": : :"memory");
+ asm volatile("wrteei 1" : : : "memory");
#else
- SET_MSR_EE(msr & ~MSR_EE);
+ unsigned long msr = mfmsr();
+ SET_MSR_EE(msr | MSR_EE);
#endif
}
-#define raw_local_save_flags(flags) ((flags) = mfmsr())
-#define raw_local_irq_save(flags) raw_local_irq_save_ptr(&flags)
-#define raw_irqs_disabled() ((mfmsr() & MSR_EE) == 0)
-#define raw_irqs_disabled_flags(flags) (((flags) & MSR_EE) == 0)
-
-#define hard_irq_disable() raw_local_irq_disable()
-
-static inline int irqs_disabled_flags(unsigned long flags)
+static inline bool arch_irqs_disabled_flags(unsigned long flags)
{
return (flags & MSR_EE) == 0;
}
+static inline bool arch_irqs_disabled(void)
+{
+ return arch_irqs_disabled_flags(arch_local_save_flags());
+}
+
+#define hard_irq_disable() arch_local_irq_disable()
+
#endif /* CONFIG_PPC64 */
/*
#ifndef __ASSEMBLY__
/*
- * Get definitions for raw_local_save_flags(x), etc.
+ * Get definitions for arch_local_save_flags(x), etc.
*/
#include <asm/hw_irq.h>
/*
* hash_page couldn't handle it, set soft interrupt enable back
- * to what it was before the trap. Note that .raw_local_irq_restore
+ * to what it was before the trap. Note that .arch_local_irq_restore
* handles any interrupts pending at this point.
*/
ld r3,SOFTE(r1)
TRACE_AND_RESTORE_IRQ_PARTIAL(r3, 11f)
- bl .raw_local_irq_restore
+ bl .arch_local_irq_restore
b 11f
/* We have a data breakpoint exception - handle it */
: : "r" (enable), "i" (offsetof(struct paca_struct, soft_enabled)));
}
-notrace void raw_local_irq_restore(unsigned long en)
+notrace void arch_local_irq_restore(unsigned long en)
{
/*
* get_paca()->soft_enabled = en;
__hard_irq_enable();
}
-EXPORT_SYMBOL(raw_local_irq_restore);
+EXPORT_SYMBOL(arch_local_irq_restore);
#endif /* CONFIG_PPC64 */
static int show_other_interrupts(struct seq_file *p, int prec)
#include <linux/types.h>
-/* store then or system mask. */
-#define __raw_local_irq_stosm(__or) \
+/* store then OR system mask. */
+#define __arch_local_irq_stosm(__or) \
({ \
unsigned long __mask; \
asm volatile( \
__mask; \
})
-/* store then and system mask. */
-#define __raw_local_irq_stnsm(__and) \
+/* store then AND system mask. */
+#define __arch_local_irq_stnsm(__and) \
({ \
unsigned long __mask; \
asm volatile( \
})
/* set system mask. */
-#define __raw_local_irq_ssm(__mask) \
-({ \
- asm volatile("ssm %0" : : "Q" (__mask) : "memory"); \
-})
+static inline void __arch_local_irq_ssm(unsigned long flags)
+{
+ asm volatile("ssm %0" : : "Q" (flags) : "memory");
+}
-/* interrupt control.. */
-static inline unsigned long raw_local_irq_enable(void)
+static inline unsigned long arch_local_save_flags(void)
{
- return __raw_local_irq_stosm(0x03);
+ return __arch_local_irq_stosm(0x00);
}
-static inline unsigned long raw_local_irq_disable(void)
+static inline unsigned long arch_local_irq_save(void)
{
- return __raw_local_irq_stnsm(0xfc);
+ return __arch_local_irq_stnsm(0xfc);
}
-#define raw_local_save_flags(x) \
-do { \
- typecheck(unsigned long, x); \
- (x) = __raw_local_irq_stosm(0x00); \
-} while (0)
+static inline void arch_local_irq_disable(void)
+{
+ arch_local_irq_save();
+}
-static inline void raw_local_irq_restore(unsigned long flags)
+static inline void arch_local_irq_enable(void)
{
- __raw_local_irq_ssm(flags);
+ __arch_local_irq_stosm(0x03);
}
-static inline int raw_irqs_disabled_flags(unsigned long flags)
+static inline void arch_local_irq_restore(unsigned long flags)
+{
+ __arch_local_irq_ssm(flags);
+}
+
+static inline bool arch_irqs_disabled_flags(unsigned long flags)
{
return !(flags & (3UL << (BITS_PER_LONG - 8)));
}
-/* For spinlocks etc */
-#define raw_local_irq_save(x) ((x) = raw_local_irq_disable())
+static inline bool arch_irqs_disabled(void)
+{
+ return arch_irqs_disabled_flags(arch_local_save_flags());
+}
#endif /* __ASM_IRQFLAGS_H */
static inline void
__set_psw_mask(unsigned long mask)
{
- __load_psw_mask(mask | (__raw_local_irq_stosm(0x00) & ~(-1UL >> 8)));
+ __load_psw_mask(mask | (arch_local_save_flags() & ~(-1UL >> 8)));
}
#define local_mcck_enable() __set_psw_mask(psw_kernel_bits)
* right thing and we don't get scheduled away with low address
* protection disabled.
*/
- flags = __raw_local_irq_stnsm(0xf8);
+ flags = __arch_local_irq_stnsm(0xf8);
__ctl_store(cr0, 0, 0);
__ctl_clear_bit(0, 28);
find_memory_chunks(chunk);
__ctl_load(cr0, 0, 0);
- __raw_local_irq_ssm(flags);
+ arch_local_irq_restore(flags);
}
EXPORT_SYMBOL(detect_memory_layout);
*/
void __init paging_init(void)
{
- static const int ssm_mask = 0x04000000L;
unsigned long max_zone_pfns[MAX_NR_ZONES];
unsigned long pgd_type;
__ctl_load(S390_lowcore.kernel_asce, 1, 1);
__ctl_load(S390_lowcore.kernel_asce, 7, 7);
__ctl_load(S390_lowcore.kernel_asce, 13, 13);
- __raw_local_irq_ssm(ssm_mask);
+ arch_local_irq_restore(4UL << (BITS_PER_LONG - 8));
atomic_set(&init_mm.context.attach_count, 1);
if (!count)
return 0;
- flags = __raw_local_irq_stnsm(0xf8UL);
+ flags = __arch_local_irq_stnsm(0xf8UL);
asm volatile (
"0: mvcle %1,%2,0x0\n"
"1: jo 0b\n"
"+d" (_len2), "=m" (*((long *) dest))
: "m" (*((long *) src))
: "cc", "memory");
- __raw_local_irq_ssm(flags);
+ arch_local_irq_restore(flags);
return rc;
}
#ifndef __ASSEMBLY__
-#define raw_local_irq_save(x) \
-{ \
- __asm__ __volatile__( \
- "mfcr r8, cr0;" \
- "li r9, 0xfffffffe;" \
- "nop;" \
- "mv %0, r8;" \
- "and r8, r8, r9;" \
- "mtcr r8, cr0;" \
- "nop;" \
- "nop;" \
- "nop;" \
- "nop;" \
- "nop;" \
- : "=r" (x) \
- : \
- : "r8", "r9" \
- ); \
+#include <linux/types.h>
+
+static inline unsigned long arch_local_save_flags(void)
+{
+ unsigned long flags;
+
+ asm volatile(
+ " mfcr r8, cr0 \n"
+ " nop \n"
+ " nop \n"
+ " mv %0, r8 \n"
+ " nop \n"
+ " nop \n"
+ " nop \n"
+ " nop \n"
+ " nop \n"
+ " ldi r9, 0x1 \n"
+ " and %0, %0, r9 \n"
+ : "=r" (flags)
+ :
+ : "r8", "r9");
+ return flags;
}
-#define raw_local_irq_restore(x) \
-{ \
- __asm__ __volatile__( \
- "mfcr r8, cr0;" \
- "ldi r9, 0x1;" \
- "and %0, %0, r9;" \
- "or r8, r8, %0;" \
- "mtcr r8, cr0;" \
- "nop;" \
- "nop;" \
- "nop;" \
- "nop;" \
- "nop;" \
- : \
- : "r"(x) \
- : "r8", "r9" \
- ); \
+static inline unsigned long arch_local_irq_save(void)
+{
+ unsigned long flags
+
+ asm volatile(
+ " mfcr r8, cr0 \n"
+ " li r9, 0xfffffffe \n"
+ " nop \n"
+ " mv %0, r8 \n"
+ " and r8, r8, r9 \n"
+ " mtcr r8, cr0 \n"
+ " nop \n"
+ " nop \n"
+ " nop \n"
+ " nop \n"
+ " nop \n"
+ : "=r" (flags)
+ :
+ : "r8", "r9", "memory");
+
+ return flags;
}
-#define raw_local_irq_enable(void) \
-{ \
- __asm__ __volatile__( \
- "mfcr\tr8,cr0;" \
- "nop;" \
- "nop;" \
- "ori\tr8,0x1;" \
- "mtcr\tr8,cr0;" \
- "nop;" \
- "nop;" \
- "nop;" \
- "nop;" \
- "nop;" \
- : \
- : \
- : "r8"); \
+static inline void arch_local_irq_restore(unsigned long flags)
+{
+ asm volatile(
+ " mfcr r8, cr0 \n"
+ " ldi r9, 0x1 \n"
+ " and %0, %0, r9 \n"
+ " or r8, r8, %0 \n"
+ " mtcr r8, cr0 \n"
+ " nop \n"
+ " nop \n"
+ " nop \n"
+ " nop \n"
+ " nop \n"
+ :
+ : "r"(flags)
+ : "r8", "r9", "memory");
}
-#define raw_local_irq_disable(void) \
-{ \
- __asm__ __volatile__( \
- "mfcr\tr8,cr0;" \
- "nop;" \
- "nop;" \
- "srli\tr8,r8,1;" \
- "slli\tr8,r8,1;" \
- "mtcr\tr8,cr0;" \
- "nop;" \
- "nop;" \
- "nop;" \
- "nop;" \
- "nop;" \
- : \
- : \
- : "r8"); \
+static inline void arch_local_irq_enable(void)
+{
+ asm volatile(
+ " mfcr r8,cr0 \n"
+ " nop \n"
+ " nop \n"
+ " ori r8,0x1 \n"
+ " mtcr r8,cr0 \n"
+ " nop \n"
+ " nop \n"
+ " nop \n"
+ " nop \n"
+ " nop \n"
+ :
+ :
+ : "r8", "memory");
}
-#define raw_local_save_flags(x) \
-{ \
- __asm__ __volatile__( \
- "mfcr r8, cr0;" \
- "nop;" \
- "nop;" \
- "mv %0, r8;" \
- "nop;" \
- "nop;" \
- "nop;" \
- "nop;" \
- "nop;" \
- "ldi r9, 0x1;" \
- "and %0, %0, r9;" \
- : "=r" (x) \
- : \
- : "r8", "r9" \
- ); \
+static inline void arch_local_irq_disable(void)
+{
+ asm volatile(
+ " mfcr r8,cr0 \n"
+ " nop \n"
+ " nop \n"
+ " srli r8,r8,1 \n"
+ " slli r8,r8,1 \n"
+ " mtcr r8,cr0 \n"
+ " nop \n"
+ " nop \n"
+ " nop \n"
+ " nop \n"
+ " nop \n"
+ :
+ :
+ : "r8", "memory");
}
-static inline int raw_irqs_disabled_flags(unsigned long flags)
+static inline bool arch_irqs_disabled_flags(unsigned long flags)
{
return !(flags & 1);
}
-#endif
+static inline bool arch_irqs_disabled(void)
+{
+ return arch_irqs_disabled_flags(arch_local_save_flags());
+}
+
+#endif /* __ASSEMBLY__ */
#endif /* _ASM_SCORE_IRQFLAGS_H */
#ifndef __ASM_SH_IRQFLAGS_H
#define __ASM_SH_IRQFLAGS_H
-#define RAW_IRQ_DISABLED 0xf0
-#define RAW_IRQ_ENABLED 0x00
+#define ARCH_IRQ_DISABLED 0xf0
+#define ARCH_IRQ_ENABLED 0x00
#include <asm-generic/irqflags.h>
#include <linux/irqflags.h>
#include <linux/module.h>
-void notrace raw_local_irq_restore(unsigned long flags)
+void notrace arch_local_irq_restore(unsigned long flags)
{
unsigned long __dummy0, __dummy1;
- if (flags == RAW_IRQ_DISABLED) {
+ if (flags == ARCH_IRQ_DISABLED) {
__asm__ __volatile__ (
"stc sr, %0\n\t"
"or #0xf0, %0\n\t"
#endif
"ldc %0, sr\n\t"
: "=&r" (__dummy0), "=r" (__dummy1)
- : "1" (~RAW_IRQ_DISABLED)
+ : "1" (~ARCH_IRQ_DISABLED)
: "memory"
);
}
}
-EXPORT_SYMBOL(raw_local_irq_restore);
+EXPORT_SYMBOL(arch_local_irq_restore);
-unsigned long notrace __raw_local_save_flags(void)
+unsigned long notrace arch_local_save_flags(void)
{
unsigned long flags;
return flags;
}
-EXPORT_SYMBOL(__raw_local_save_flags);
+EXPORT_SYMBOL(arch_local_save_flags);
*
* This file gets included from lowlevel asm headers too, to provide
* wrapped versions of the local_irq_*() APIs, based on the
- * raw_local_irq_*() functions from the lowlevel headers.
+ * arch_local_irq_*() functions from the lowlevel headers.
*/
#ifndef _ASM_IRQFLAGS_H
#define _ASM_IRQFLAGS_H
#ifndef __ASSEMBLY__
-extern void raw_local_irq_restore(unsigned long);
-extern unsigned long __raw_local_irq_save(void);
-extern void raw_local_irq_enable(void);
+#include <linux/types.h>
-static inline unsigned long getipl(void)
+extern void arch_local_irq_restore(unsigned long);
+extern unsigned long arch_local_irq_save(void);
+extern void arch_local_irq_enable(void);
+
+static inline unsigned long arch_local_save_flags(void)
{
- unsigned long retval;
+ unsigned long flags;
+
+ asm volatile("rd %%psr, %0" : "=r" (flags));
+ return flags;
+}
- __asm__ __volatile__("rd %%psr, %0" : "=r" (retval));
- return retval;
+static inline void arch_local_irq_disable(void)
+{
+ arch_local_irq_save();
}
-#define raw_local_save_flags(flags) ((flags) = getipl())
-#define raw_local_irq_save(flags) ((flags) = __raw_local_irq_save())
-#define raw_local_irq_disable() ((void) __raw_local_irq_save())
-#define raw_irqs_disabled() ((getipl() & PSR_PIL) != 0)
+static inline bool arch_irqs_disabled_flags(unsigned long flags)
+{
+ return (flags & PSR_PIL) != 0;
+}
-static inline int raw_irqs_disabled_flags(unsigned long flags)
+static inline bool arch_irqs_disabled(void)
{
- return ((flags & PSR_PIL) != 0);
+ return arch_irqs_disabled_flags(arch_local_save_flags());
}
#endif /* (__ASSEMBLY__) */
*
* This file gets included from lowlevel asm headers too, to provide
* wrapped versions of the local_irq_*() APIs, based on the
- * raw_local_irq_*() functions from the lowlevel headers.
+ * arch_local_irq_*() functions from the lowlevel headers.
*/
#ifndef _ASM_IRQFLAGS_H
#define _ASM_IRQFLAGS_H
#ifndef __ASSEMBLY__
-static inline unsigned long __raw_local_save_flags(void)
+static inline unsigned long arch_local_save_flags(void)
{
unsigned long flags;
return flags;
}
-#define raw_local_save_flags(flags) \
- do { (flags) = __raw_local_save_flags(); } while (0)
-
-static inline void raw_local_irq_restore(unsigned long flags)
+static inline void arch_local_irq_restore(unsigned long flags)
{
__asm__ __volatile__(
"wrpr %0, %%pil"
);
}
-static inline void raw_local_irq_disable(void)
+static inline void arch_local_irq_disable(void)
{
__asm__ __volatile__(
"wrpr %0, %%pil"
);
}
-static inline void raw_local_irq_enable(void)
+static inline void arch_local_irq_enable(void)
{
__asm__ __volatile__(
"wrpr 0, %%pil"
);
}
-static inline int raw_irqs_disabled_flags(unsigned long flags)
+static inline int arch_irqs_disabled_flags(unsigned long flags)
{
return (flags > 0);
}
-static inline int raw_irqs_disabled(void)
+static inline int arch_irqs_disabled(void)
{
- unsigned long flags = __raw_local_save_flags();
-
- return raw_irqs_disabled_flags(flags);
+ return arch_irqs_disabled_flags(arch_local_save_flags());
}
-/*
- * For spinlocks, etc:
- */
-static inline unsigned long __raw_local_irq_save(void)
+static inline unsigned long arch_local_irq_save(void)
{
unsigned long flags, tmp;
return flags;
}
-#define raw_local_irq_save(flags) \
- do { (flags) = __raw_local_irq_save(); } while (0)
-
#endif /* (__ASSEMBLY__) */
#endif /* !(_ASM_IRQFLAGS_H) */
#define SMP_NOP2
#define SMP_NOP3
#endif /* SMP */
-unsigned long __raw_local_irq_save(void)
+unsigned long arch_local_irq_save(void)
{
unsigned long retval;
unsigned long tmp;
return retval;
}
+EXPORT_SYMBOL(arch_local_irq_save);
-void raw_local_irq_enable(void)
+void arch_local_irq_enable(void)
{
unsigned long tmp;
: "i" (PSR_PIL)
: "memory");
}
+EXPORT_SYMBOL(arch_local_irq_enable);
-void raw_local_irq_restore(unsigned long old_psr)
+void arch_local_irq_restore(unsigned long old_psr)
{
unsigned long tmp;
: "i" (PSR_PIL), "r" (old_psr)
: "memory");
}
-
-EXPORT_SYMBOL(__raw_local_irq_save);
-EXPORT_SYMBOL(raw_local_irq_enable);
-EXPORT_SYMBOL(raw_local_irq_restore);
+EXPORT_SYMBOL(arch_local_irq_restore);
/*
* Dave Redman (djhr@tadpole.co.uk)
unsigned long flags;
raw_local_save_flags(flags);
- raw_local_irq_restore(PIL_NMI);
+ raw_local_irq_restore((unsigned long)PIL_NMI);
raw_spin_lock(&prom_entry_lock);
prom_world(1);
#define INITIAL_INTERRUPTS_ENABLED INT_MASK(INT_MEM_ERROR)
/* Disable interrupts. */
-#define raw_local_irq_disable() \
+#define arch_local_irq_disable() \
interrupt_mask_set_mask(LINUX_MASKABLE_INTERRUPTS)
/* Disable all interrupts, including NMIs. */
-#define raw_local_irq_disable_all() \
+#define arch_local_irq_disable_all() \
interrupt_mask_set_mask(-1UL)
/* Re-enable all maskable interrupts. */
-#define raw_local_irq_enable() \
+#define arch_local_irq_enable() \
interrupt_mask_reset_mask(__get_cpu_var(interrupts_enabled_mask))
/* Disable or enable interrupts based on flag argument. */
-#define raw_local_irq_restore(disabled) do { \
+#define arch_local_irq_restore(disabled) do { \
if (disabled) \
- raw_local_irq_disable(); \
+ arch_local_irq_disable(); \
else \
- raw_local_irq_enable(); \
+ arch_local_irq_enable(); \
} while (0)
/* Return true if "flags" argument means interrupts are disabled. */
-#define raw_irqs_disabled_flags(flags) ((flags) != 0)
+#define arch_irqs_disabled_flags(flags) ((flags) != 0)
/* Return true if interrupts are currently disabled. */
-#define raw_irqs_disabled() interrupt_mask_check(INT_MEM_ERROR)
+#define arch_irqs_disabled() interrupt_mask_check(INT_MEM_ERROR)
/* Save whether interrupts are currently disabled. */
-#define raw_local_save_flags(flags) ((flags) = raw_irqs_disabled())
+#define arch_local_save_flags() arch_irqs_disabled()
/* Save whether interrupts are currently disabled, then disable them. */
-#define raw_local_irq_save(flags) \
- do { raw_local_save_flags(flags); raw_local_irq_disable(); } while (0)
+#define arch_local_irq_save() ({ \
+ unsigned long __flags = arch_local_save_flags(); \
+ arch_local_irq_disable(); \
+ __flags; })
/* Prevent the given interrupt from being enabled next time we enable irqs. */
-#define raw_local_irq_mask(interrupt) \
+#define arch_local_irq_mask(interrupt) \
(__get_cpu_var(interrupts_enabled_mask) &= ~INT_MASK(interrupt))
/* Prevent the given interrupt from being enabled immediately. */
-#define raw_local_irq_mask_now(interrupt) do { \
- raw_local_irq_mask(interrupt); \
+#define arch_local_irq_mask_now(interrupt) do { \
+ arch_local_irq_mask(interrupt); \
interrupt_mask_set(interrupt); \
} while (0)
/* Allow the given interrupt to be enabled next time we enable irqs. */
-#define raw_local_irq_unmask(interrupt) \
+#define arch_local_irq_unmask(interrupt) \
(__get_cpu_var(interrupts_enabled_mask) |= INT_MASK(interrupt))
/* Allow the given interrupt to be enabled immediately, if !irqs_disabled. */
-#define raw_local_irq_unmask_now(interrupt) do { \
- raw_local_irq_unmask(interrupt); \
+#define arch_local_irq_unmask_now(interrupt) do { \
+ arch_local_irq_unmask(interrupt); \
if (!irqs_disabled()) \
interrupt_mask_reset(interrupt); \
} while (0)
#else
#ifndef __ASSEMBLY__
-static inline unsigned long __raw_local_save_flags(void)
+static inline unsigned long arch_local_save_flags(void)
{
return native_save_fl();
}
-static inline void raw_local_irq_restore(unsigned long flags)
+static inline void arch_local_irq_restore(unsigned long flags)
{
native_restore_fl(flags);
}
-static inline void raw_local_irq_disable(void)
+static inline void arch_local_irq_disable(void)
{
native_irq_disable();
}
-static inline void raw_local_irq_enable(void)
+static inline void arch_local_irq_enable(void)
{
native_irq_enable();
}
* Used in the idle loop; sti takes one instruction cycle
* to complete:
*/
-static inline void raw_safe_halt(void)
+static inline void arch_safe_halt(void)
{
native_safe_halt();
}
/*
* For spinlocks, etc:
*/
-static inline unsigned long __raw_local_irq_save(void)
+static inline unsigned long arch_local_irq_save(void)
{
- unsigned long flags = __raw_local_save_flags();
-
- raw_local_irq_disable();
-
+ unsigned long flags = arch_local_save_flags();
+ arch_local_irq_disable();
return flags;
}
#else
#endif /* CONFIG_PARAVIRT */
#ifndef __ASSEMBLY__
-#define raw_local_save_flags(flags) \
- do { (flags) = __raw_local_save_flags(); } while (0)
-
-#define raw_local_irq_save(flags) \
- do { (flags) = __raw_local_irq_save(); } while (0)
-
-static inline int raw_irqs_disabled_flags(unsigned long flags)
+static inline int arch_irqs_disabled_flags(unsigned long flags)
{
return !(flags & X86_EFLAGS_IF);
}
-static inline int raw_irqs_disabled(void)
+static inline int arch_irqs_disabled(void)
{
- unsigned long flags = __raw_local_save_flags();
+ unsigned long flags = arch_local_save_flags();
- return raw_irqs_disabled_flags(flags);
+ return arch_irqs_disabled_flags(flags);
}
#else
}
#endif
-static inline void raw_safe_halt(void)
+static inline void arch_safe_halt(void)
{
PVOP_VCALL0(pv_irq_ops.safe_halt);
}
#define __PV_IS_CALLEE_SAVE(func) \
((struct paravirt_callee_save) { func })
-static inline unsigned long __raw_local_save_flags(void)
+static inline unsigned long arch_local_save_flags(void)
{
return PVOP_CALLEE0(unsigned long, pv_irq_ops.save_fl);
}
-static inline void raw_local_irq_restore(unsigned long f)
+static inline void arch_local_irq_restore(unsigned long f)
{
PVOP_VCALLEE1(pv_irq_ops.restore_fl, f);
}
-static inline void raw_local_irq_disable(void)
+static inline void arch_local_irq_disable(void)
{
PVOP_VCALLEE0(pv_irq_ops.irq_disable);
}
-static inline void raw_local_irq_enable(void)
+static inline void arch_local_irq_enable(void)
{
PVOP_VCALLEE0(pv_irq_ops.irq_enable);
}
-static inline unsigned long __raw_local_irq_save(void)
+static inline unsigned long arch_local_irq_save(void)
{
unsigned long f;
- f = __raw_local_save_flags();
- raw_local_irq_disable();
+ f = arch_local_save_flags();
+ arch_local_irq_disable();
return f;
}
goto out;
}
- flags = __raw_local_save_flags();
+ flags = arch_local_save_flags();
if (irq_enable) {
ADD_STATS(taken_slow_irqenable, 1);
raw_local_irq_enable();
--- /dev/null
+/*
+ * Xtensa IRQ flags handling functions
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 2001 - 2005 Tensilica Inc.
+ */
+
+#ifndef _XTENSA_IRQFLAGS_H
+#define _XTENSA_IRQFLAGS_H
+
+#include <linux/types.h>
+
+static inline unsigned long arch_local_save_flags(void)
+{
+ unsigned long flags;
+ asm volatile("rsr %0,"__stringify(PS) : "=a" (flags));
+ return flags;
+}
+
+static inline unsigned long arch_local_irq_save(void)
+{
+ unsigned long flags;
+ asm volatile("rsil %0, "__stringify(LOCKLEVEL)
+ : "=a" (flags) :: "memory");
+ return flags;
+}
+
+static inline void arch_local_irq_disable(void)
+{
+ arch_local_irq_save();
+}
+
+static inline void arch_local_irq_enable(void)
+{
+ unsigned long flags;
+ asm volatile("rsil %0, 0" : "=a" (flags) :: "memory");
+}
+
+static inline void arch_local_irq_restore(unsigned long flags)
+{
+ asm volatile("wsr %0, "__stringify(PS)" ; rsync"
+ :: "a" (flags) : "memory");
+}
+
+static inline bool arch_irqs_disabled_flags(unsigned long flags)
+{
+ return (flags & 0xf) != 0;
+}
+
+static inline bool arch_irqs_disabled(void)
+{
+ return arch_irqs_disabled_flags(arch_local_save_flags());
+}
+
+#endif /* _XTENSA_IRQFLAGS_H */
#define _XTENSA_SYSTEM_H
#include <linux/stringify.h>
+#include <linux/irqflags.h>
#include <asm/processor.h>
-/* interrupt control */
-
-#define local_save_flags(x) \
- __asm__ __volatile__ ("rsr %0,"__stringify(PS) : "=a" (x));
-#define local_irq_restore(x) do { \
- __asm__ __volatile__ ("wsr %0, "__stringify(PS)" ; rsync" \
- :: "a" (x) : "memory"); } while(0);
-#define local_irq_save(x) do { \
- __asm__ __volatile__ ("rsil %0, "__stringify(LOCKLEVEL) \
- : "=a" (x) :: "memory");} while(0);
-
-static inline void local_irq_disable(void)
-{
- unsigned long flags;
- __asm__ __volatile__ ("rsil %0, "__stringify(LOCKLEVEL)
- : "=a" (flags) :: "memory");
-}
-static inline void local_irq_enable(void)
-{
- unsigned long flags;
- __asm__ __volatile__ ("rsil %0, 0" : "=a" (flags) :: "memory");
-
-}
-
-static inline int irqs_disabled(void)
-{
- unsigned long flags;
- local_save_flags(flags);
- return flags & 0xf;
-}
-
-
#define smp_read_barrier_depends() do { } while(0)
#define read_barrier_depends() do { } while(0)
cr0_sync &= 0xffff00a0;
cr0_sync |= 0x00000200;
__ctl_load(cr0_sync, 0, 0);
- __raw_local_irq_stosm(0x01);
+ __arch_local_irq_stosm(0x01);
/* Loop until driver state indicates finished request */
while (sclp_running_state != sclp_running_state_idle) {
/* Check for expired request timer */
*/
#define atomic_set(v, i) (((v)->counter) = (i))
+#include <linux/irqflags.h>
#include <asm/system.h>
/**
unsigned long flags;
int temp;
- raw_local_irq_save(flags); /* Don't trace it in a irqsoff handler */
+ raw_local_irq_save(flags); /* Don't trace it in an irqsoff handler */
temp = v->counter;
temp += i;
v->counter = temp;
unsigned long flags;
int temp;
- raw_local_irq_save(flags); /* Don't trace it in a irqsoff handler */
+ raw_local_irq_save(flags); /* Don't trace it in an irqsoff handler */
temp = v->counter;
temp -= i;
v->counter = temp;
#define __ASM_GENERIC_CMPXCHG_LOCAL_H
#include <linux/types.h>
+#include <linux/irqflags.h>
extern unsigned long wrong_size_cmpxchg(volatile void *ptr);
#include <linux/cache.h>
#include <linux/threads.h>
-#include <linux/irq.h>
typedef struct {
unsigned int __softirq_pending;
* All architectures should implement at least the first two functions,
* usually inline assembly will be the best way.
*/
-#ifndef RAW_IRQ_DISABLED
-#define RAW_IRQ_DISABLED 0
-#define RAW_IRQ_ENABLED 1
+#ifndef ARCH_IRQ_DISABLED
+#define ARCH_IRQ_DISABLED 0
+#define ARCH_IRQ_ENABLED 1
#endif
/* read interrupt enabled status */
-#ifndef __raw_local_save_flags
-unsigned long __raw_local_save_flags(void);
+#ifndef arch_local_save_flags
+unsigned long arch_local_save_flags(void);
#endif
/* set interrupt enabled status */
-#ifndef raw_local_irq_restore
-void raw_local_irq_restore(unsigned long flags);
+#ifndef arch_local_irq_restore
+void arch_local_irq_restore(unsigned long flags);
#endif
/* get status and disable interrupts */
-#ifndef __raw_local_irq_save
-static inline unsigned long __raw_local_irq_save(void)
+#ifndef arch_local_irq_save
+static inline unsigned long arch_local_irq_save(void)
{
unsigned long flags;
- flags = __raw_local_save_flags();
- raw_local_irq_restore(RAW_IRQ_DISABLED);
+ flags = arch_local_save_flags();
+ arch_local_irq_restore(ARCH_IRQ_DISABLED);
return flags;
}
#endif
/* test flags */
-#ifndef raw_irqs_disabled_flags
-static inline int raw_irqs_disabled_flags(unsigned long flags)
+#ifndef arch_irqs_disabled_flags
+static inline int arch_irqs_disabled_flags(unsigned long flags)
{
- return flags == RAW_IRQ_DISABLED;
+ return flags == ARCH_IRQ_DISABLED;
}
#endif
/* unconditionally enable interrupts */
-#ifndef raw_local_irq_enable
-static inline void raw_local_irq_enable(void)
+#ifndef arch_local_irq_enable
+static inline void arch_local_irq_enable(void)
{
- raw_local_irq_restore(RAW_IRQ_ENABLED);
+ arch_local_irq_restore(ARCH_IRQ_ENABLED);
}
#endif
/* unconditionally disable interrupts */
-#ifndef raw_local_irq_disable
-static inline void raw_local_irq_disable(void)
+#ifndef arch_local_irq_disable
+static inline void arch_local_irq_disable(void)
{
- raw_local_irq_restore(RAW_IRQ_DISABLED);
+ arch_local_irq_restore(ARCH_IRQ_DISABLED);
}
#endif
/* test hardware interrupt enable bit */
-#ifndef raw_irqs_disabled
-static inline int raw_irqs_disabled(void)
+#ifndef arch_irqs_disabled
+static inline int arch_irqs_disabled(void)
{
- return raw_irqs_disabled_flags(__raw_local_save_flags());
+ return arch_irqs_disabled_flags(arch_local_save_flags());
}
#endif
-#define raw_local_save_flags(flags) \
- do { (flags) = __raw_local_save_flags(); } while (0)
-
-#define raw_local_irq_save(flags) \
- do { (flags) = __raw_local_irq_save(); } while (0)
-
#endif /* __ASM_GENERIC_IRQFLAGS_H */
#define _LINUX_TRACE_IRQFLAGS_H
#include <linux/typecheck.h>
+#include <asm/irqflags.h>
#ifdef CONFIG_TRACE_IRQFLAGS
extern void trace_softirqs_on(unsigned long ip);
# define start_critical_timings() do { } while (0)
#endif
-#ifdef CONFIG_TRACE_IRQFLAGS_SUPPORT
-
-#include <asm/irqflags.h>
+/*
+ * Wrap the arch provided IRQ routines to provide appropriate checks.
+ */
+#define raw_local_irq_disable() arch_local_irq_disable()
+#define raw_local_irq_enable() arch_local_irq_enable()
+#define raw_local_irq_save(flags) \
+ do { \
+ typecheck(unsigned long, flags); \
+ flags = arch_local_irq_save(); \
+ } while (0)
+#define raw_local_irq_restore(flags) \
+ do { \
+ typecheck(unsigned long, flags); \
+ arch_local_irq_restore(flags); \
+ } while (0)
+#define raw_local_save_flags(flags) \
+ do { \
+ typecheck(unsigned long, flags); \
+ flags = arch_local_save_flags(); \
+ } while (0)
+#define raw_irqs_disabled_flags(flags) \
+ ({ \
+ typecheck(unsigned long, flags); \
+ arch_irqs_disabled_flags(flags); \
+ })
+#define raw_irqs_disabled() (arch_irqs_disabled())
+#define raw_safe_halt() arch_safe_halt()
+/*
+ * The local_irq_*() APIs are equal to the raw_local_irq*()
+ * if !TRACE_IRQFLAGS.
+ */
+#ifdef CONFIG_TRACE_IRQFLAGS_SUPPORT
#define local_irq_enable() \
do { trace_hardirqs_on(); raw_local_irq_enable(); } while (0)
#define local_irq_disable() \
do { raw_local_irq_disable(); trace_hardirqs_off(); } while (0)
#define local_irq_save(flags) \
do { \
- typecheck(unsigned long, flags); \
raw_local_irq_save(flags); \
trace_hardirqs_off(); \
} while (0)
#define local_irq_restore(flags) \
do { \
- typecheck(unsigned long, flags); \
if (raw_irqs_disabled_flags(flags)) { \
raw_local_irq_restore(flags); \
trace_hardirqs_off(); \
raw_local_irq_restore(flags); \
} \
} while (0)
-#else /* !CONFIG_TRACE_IRQFLAGS_SUPPORT */
-/*
- * The local_irq_*() APIs are equal to the raw_local_irq*()
- * if !TRACE_IRQFLAGS.
- */
-# define raw_local_irq_disable() local_irq_disable()
-# define raw_local_irq_enable() local_irq_enable()
-# define raw_local_irq_save(flags) \
- do { \
- typecheck(unsigned long, flags); \
- local_irq_save(flags); \
- } while (0)
-# define raw_local_irq_restore(flags) \
+#define local_save_flags(flags) \
do { \
- typecheck(unsigned long, flags); \
- local_irq_restore(flags); \
+ raw_local_save_flags(flags); \
} while (0)
-#endif /* CONFIG_TRACE_IRQFLAGS_SUPPORT */
-#ifdef CONFIG_TRACE_IRQFLAGS_SUPPORT
-#define safe_halt() \
- do { \
- trace_hardirqs_on(); \
- raw_safe_halt(); \
- } while (0)
+#define irqs_disabled_flags(flags) \
+ ({ \
+ raw_irqs_disabled_flags(flags); \
+ })
-#define local_save_flags(flags) \
- do { \
- typecheck(unsigned long, flags); \
- raw_local_save_flags(flags); \
+#define irqs_disabled() \
+ ({ \
+ unsigned long _flags; \
+ raw_local_save_flags(_flags); \
+ raw_irqs_disabled_flags(_flags); \
+ })
+
+#define safe_halt() \
+ do { \
+ trace_hardirqs_on(); \
+ raw_safe_halt(); \
} while (0)
-#define irqs_disabled() \
-({ \
- unsigned long _flags; \
- \
- raw_local_save_flags(_flags); \
- raw_irqs_disabled_flags(_flags); \
-})
-#define irqs_disabled_flags(flags) \
-({ \
- typecheck(unsigned long, flags); \
- raw_irqs_disabled_flags(flags); \
-})
+#else /* !CONFIG_TRACE_IRQFLAGS_SUPPORT */
+
+#define local_irq_enable() do { raw_local_irq_enable(); } while (0)
+#define local_irq_disable() do { raw_local_irq_disable(); } while (0)
+#define local_irq_save(flags) \
+ do { \
+ raw_local_irq_save(flags); \
+ } while (0)
+#define local_irq_restore(flags) do { raw_local_irq_restore(flags); } while (0)
+#define local_save_flags(flags) do { raw_local_save_flags(flags); } while (0)
+#define irqs_disabled() (raw_irqs_disabled())
+#define irqs_disabled_flags(flags) (raw_irqs_disabled_flags(flags))
+#define safe_halt() do { raw_safe_halt(); } while (0)
+
#endif /* CONFIG_TRACE_IRQFLAGS_SUPPORT */
#endif
#include <linux/preempt.h>
#include <linux/linkage.h>
#include <linux/compiler.h>
+#include <linux/irqflags.h>
#include <linux/thread_info.h>
#include <linux/kernel.h>
#include <linux/stringify.h>
projects / mv-sheeva.git / commitdiff