/* SPDX-License-Identifier: GPL-2.0 */ #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 */
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