| #ifndef _H8300_IRQFLAGS_H |
| #define _H8300_IRQFLAGS_H |
| |
| #ifdef CONFIG_CPU_H8300H |
| typedef unsigned char h8300flags; |
| |
| static inline h8300flags arch_local_save_flags(void) |
| { |
| h8300flags flags; |
| |
| __asm__ volatile ("stc ccr,%w0" : "=r" (flags)); |
| return flags; |
| } |
| |
| static inline void arch_local_irq_disable(void) |
| { |
| __asm__ volatile ("orc #0xc0,ccr"); |
| } |
| |
| static inline void arch_local_irq_enable(void) |
| { |
| __asm__ volatile ("andc #0x3f,ccr"); |
| } |
| |
| static inline h8300flags arch_local_irq_save(void) |
| { |
| h8300flags flags; |
| |
| __asm__ volatile ("stc ccr,%w0\n\t" |
| "orc #0xc0,ccr" : "=r" (flags)); |
| return flags; |
| } |
| |
| static inline void arch_local_irq_restore(h8300flags flags) |
| { |
| __asm__ volatile ("ldc %w0,ccr" : : "r" (flags) : "cc"); |
| } |
| |
| static inline int arch_irqs_disabled_flags(unsigned long flags) |
| { |
| return (flags & 0xc0) == 0xc0; |
| } |
| #endif |
| #ifdef CONFIG_CPU_H8S |
| typedef unsigned short h8300flags; |
| |
| static inline h8300flags arch_local_save_flags(void) |
| { |
| h8300flags flags; |
| |
| __asm__ volatile ("stc ccr,%w0\n\tstc exr,%x0" : "=r" (flags)); |
| return flags; |
| } |
| |
| static inline void arch_local_irq_disable(void) |
| { |
| __asm__ volatile ("orc #0x80,ccr\n\t"); |
| } |
| |
| static inline void arch_local_irq_enable(void) |
| { |
| __asm__ volatile ("andc #0x7f,ccr\n\t" |
| "andc #0xf0,exr\n\t"); |
| } |
| |
| static inline h8300flags arch_local_irq_save(void) |
| { |
| h8300flags flags; |
| |
| __asm__ volatile ("stc ccr,%w0\n\t" |
| "stc exr,%x0\n\t" |
| "orc #0x80,ccr\n\t" |
| : "=r" (flags)); |
| return flags; |
| } |
| |
| static inline void arch_local_irq_restore(h8300flags flags) |
| { |
| __asm__ volatile ("ldc %w0,ccr\n\t" |
| "ldc %x0,exr" |
| : : "r" (flags) : "cc"); |
| } |
| |
| static inline int arch_irqs_disabled_flags(h8300flags flags) |
| { |
| return (flags & 0x0080) == 0x0080; |
| } |
| |
| #endif |
| |
| static inline int arch_irqs_disabled(void) |
| { |
| return arch_irqs_disabled_flags(arch_local_save_flags()); |
| } |
| |
| #endif /* _H8300_IRQFLAGS_H */ |