diff options
Diffstat (limited to 'include/asm-powerpc')
| -rw-r--r-- | include/asm-powerpc/hw_irq.h | 31 | ||||
| -rw-r--r-- | include/asm-powerpc/paca.h | 3 |
2 files changed, 23 insertions, 11 deletions
diff --git a/include/asm-powerpc/hw_irq.h b/include/asm-powerpc/hw_irq.h index d40359204aba..c4a1ab608f6f 100644 --- a/include/asm-powerpc/hw_irq.h +++ b/include/asm-powerpc/hw_irq.h @@ -7,16 +7,30 @@ #ifdef __KERNEL__ #include <linux/errno.h> +#include <linux/compiler.h> #include <asm/ptrace.h> #include <asm/processor.h> extern void timer_interrupt(struct pt_regs *); -#ifdef CONFIG_PPC_ISERIES +#ifdef CONFIG_PPC64 +#include <asm/paca.h> + +static inline unsigned long local_get_flags(void) +{ + return get_paca()->soft_enabled; +} + +static inline unsigned long local_irq_disable(void) +{ + unsigned long flag = get_paca()->soft_enabled; + get_paca()->soft_enabled = 0; + barrier(); + return flag; +} -extern unsigned long local_get_flags(void); -extern unsigned long local_irq_disable(void); extern void local_irq_restore(unsigned long); +extern void iseries_handle_interrupts(void); #define local_irq_enable() local_irq_restore(1) #define local_save_flags(flags) ((flags) = local_get_flags()) @@ -24,17 +38,14 @@ extern void local_irq_restore(unsigned long); #define irqs_disabled() (local_get_flags() == 0) +#define hard_irq_enable() __mtmsrd(mfmsr() | MSR_EE, 1) +#define hard_irq_disable() __mtmsrd(mfmsr() & ~MSR_EE, 1) + #else #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) @@ -81,7 +92,7 @@ static inline void local_irq_save_ptr(unsigned long *flags) #define local_irq_save(flags) local_irq_save_ptr(&flags) #define irqs_disabled() ((mfmsr() & MSR_EE) == 0) -#endif /* CONFIG_PPC_ISERIES */ +#endif /* CONFIG_PPC64 */ #define mask_irq(irq) \ ({ \ diff --git a/include/asm-powerpc/paca.h b/include/asm-powerpc/paca.h index 0a4e5c93e8e6..0d3adc09c847 100644 --- a/include/asm-powerpc/paca.h +++ b/include/asm-powerpc/paca.h @@ -93,7 +93,8 @@ struct paca_struct { u64 stab_rr; /* stab/slb round-robin counter */ u64 saved_r1; /* r1 save for RTAS calls */ u64 saved_msr; /* MSR saved here by enter_rtas */ - u8 proc_enabled; /* irq soft-enable flag */ + u8 soft_enabled; /* irq soft-enable flag */ + u8 hard_enabled; /* set if irqs are enabled in MSR */ u8 io_sync; /* writel() needs spin_unlock sync */ /* Stuff for accurate time accounting */ |