diff options
| -rw-r--r-- | include/asm-powerpc/hw_irq.h (renamed from include/asm-ppc64/hw_irq.h) | 63 | ||||
| -rw-r--r-- | include/asm-ppc/hw_irq.h | 59 | ||||
| -rw-r--r-- | include/asm-ppc/irq.h | 6 |
3 files changed, 43 insertions, 85 deletions
diff --git a/include/asm-ppc64/hw_irq.h b/include/asm-powerpc/hw_irq.h index c483897b875..605a65e4206 100644 --- a/include/asm-ppc64/hw_irq.h +++ b/include/asm-powerpc/hw_irq.h @@ -1,19 +1,15 @@ /* * Copyright (C) 1999 Cort Dougan <cort@cs.nmt.edu> - * - * Use inline IRQs where possible - Anton Blanchard <anton@au.ibm.com> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. */ +#ifndef _ASM_POWERPC_HW_IRQ_H +#define _ASM_POWERPC_HW_IRQ_H + #ifdef __KERNEL__ -#ifndef _PPC64_HW_IRQ_H -#define _PPC64_HW_IRQ_H #include <linux/config.h> #include <linux/errno.h> +#include <asm/ptrace.h> +#include <asm/processor.h> #include <asm/irq.h> extern void timer_interrupt(struct pt_regs *); @@ -33,45 +29,60 @@ extern void local_irq_restore(unsigned long); #else -#define local_save_flags(flags) ((flags) = mfmsr()) +#if defined(CONFIG_BOOKE) +#define SET_MSR_EE(x) mtmsr(x) +#define local_irq_restore(flags) __asm__ __volatile__("wrtee %0" : : "r" (flags) : "memory") +#elif defined(__powerpc64__) +#define SET_MSR_EE(x) __mtmsrd(x, 1) #define local_irq_restore(flags) do { \ __asm__ __volatile__("": : :"memory"); \ __mtmsrd((flags), 1); \ } while(0) +#else +#define SET_MSR_EE(x) mtmsr(x) +#define local_irq_restore(flags) mtmsr(flags) +#endif static inline void local_irq_disable(void) { +#ifdef CONFIG_BOOKE + __asm__ __volatile__("wrteei 0": : :"memory"); +#else unsigned long msr; - msr = mfmsr(); - __mtmsrd(msr & ~MSR_EE, 1); __asm__ __volatile__("": : :"memory"); + msr = mfmsr(); + SET_MSR_EE(msr & ~MSR_EE); +#endif } static inline void local_irq_enable(void) { +#ifdef CONFIG_BOOKE + __asm__ __volatile__("wrteei 1": : :"memory"); +#else unsigned long msr; __asm__ __volatile__("": : :"memory"); msr = mfmsr(); - __mtmsrd(msr | MSR_EE, 1); + SET_MSR_EE(msr | MSR_EE); +#endif } -static inline void __do_save_and_cli(unsigned long *flags) +static inline void local_irq_save_ptr(unsigned long *flags) { unsigned long msr; msr = mfmsr(); *flags = msr; - __mtmsrd(msr & ~MSR_EE, 1); +#ifdef CONFIG_BOOKE + __asm__ __volatile__("wrteei 0": : :"memory"); +#else + SET_MSR_EE(msr & ~MSR_EE); +#endif __asm__ __volatile__("": : :"memory"); } -#define local_irq_save(flags) __do_save_and_cli(&flags) - -#define irqs_disabled() \ -({ \ - unsigned long flags; \ - local_save_flags(flags); \ - !(flags & MSR_EE); \ -}) +#define local_save_flags(flags) ((flags) = mfmsr()) +#define local_irq_save(flags) local_irq_save_ptr(&flags) +#define irqs_disabled() ((mfmsr() & MSR_EE) == 0) #endif /* CONFIG_PPC_ISERIES */ @@ -99,6 +110,6 @@ static inline void __do_save_and_cli(unsigned long *flags) */ struct hw_interrupt_type; static inline void hw_resend_irq(struct hw_interrupt_type *h, unsigned int i) {} - -#endif /* _PPC64_HW_IRQ_H */ -#endif /* __KERNEL__ */ + +#endif /* __KERNEL__ */ +#endif /* _ASM_POWERPC_HW_IRQ_H */ diff --git a/include/asm-ppc/hw_irq.h b/include/asm-ppc/hw_irq.h deleted file mode 100644 index da0fa940adb..00000000000 --- a/include/asm-ppc/hw_irq.h +++ /dev/null @@ -1,59 +0,0 @@ -/* - * Copyright (C) 1999 Cort Dougan <cort@cs.nmt.edu> - */ -#ifdef __KERNEL__ -#ifndef _PPC_HW_IRQ_H -#define _PPC_HW_IRQ_H - -#include <asm/ptrace.h> -#include <asm/reg.h> -#include <asm/irq.h> - -extern void timer_interrupt(struct pt_regs *); - -#define irqs_disabled() ((mfmsr() & MSR_EE) == 0) - -static inline void local_irq_disable(void) -{ - unsigned long msr; - msr = mfmsr(); - mtmsr(msr & ~MSR_EE); - __asm__ __volatile__("": : :"memory"); -} - -static inline void local_irq_enable(void) -{ - unsigned long msr; - __asm__ __volatile__("": : :"memory"); - msr = mfmsr(); - mtmsr(msr | MSR_EE); -} - -static inline void local_irq_save_ptr(unsigned long *flags) -{ - unsigned long msr; - msr = mfmsr(); - *flags = msr; - mtmsr(msr & ~MSR_EE); - __asm__ __volatile__("": : :"memory"); -} - -#define local_save_flags(flags) ((flags) = mfmsr()) -#define local_irq_save(flags) local_irq_save_ptr(&flags) -#define local_irq_restore(flags) mtmsr(flags) - -extern void do_lost_interrupts(unsigned long); - -#define mask_irq(irq) ({if (irq_desc[irq].handler && irq_desc[irq].handler->disable) irq_desc[irq].handler->disable(irq);}) -#define unmask_irq(irq) ({if (irq_desc[irq].handler && irq_desc[irq].handler->enable) irq_desc[irq].handler->enable(irq);}) -#define ack_irq(irq) ({if (irq_desc[irq].handler && irq_desc[irq].handler->ack) irq_desc[irq].handler->ack(irq);}) - -/* Should we handle this via lost interrupts and IPIs or should we don't care like - * we do now ? --BenH. - */ -struct hw_interrupt_type; -static inline void hw_resend_irq(struct hw_interrupt_type *h, unsigned int i) {} - - -#endif /* _PPC_HW_IRQ_H */ -#endif /* __KERNEL__ */ diff --git a/include/asm-ppc/irq.h b/include/asm-ppc/irq.h index bd9674807f0..137ea0cf34d 100644 --- a/include/asm-ppc/irq.h +++ b/include/asm-ppc/irq.h @@ -24,6 +24,12 @@ */ #define ARCH_HAS_IRQ_PER_CPU +#define get_irq_desc(irq) (&irq_desc[(irq)]) + +/* Define a way to iterate across irqs. */ +#define for_each_irq(i) \ + for ((i) = 0; (i) < NR_IRQS; ++(i)) + #if defined(CONFIG_40x) #include <asm/ibm4xx.h> |