diff options
author | Paul Mundt <lethal@linux-sh.org> | 2009-10-17 21:06:39 +0900 |
---|---|---|
committer | Paul Mundt <lethal@linux-sh.org> | 2009-10-17 21:06:39 +0900 |
commit | 03fdb708926d5df2d9b9e62222c1666e20caa9e3 (patch) | |
tree | 531492d3aa5fea519f348d128e3405bc96adac51 /arch/sh/include | |
parent | cae19b5902d52ff059f5df98ea993a00e5686af1 (diff) |
sh: Convert to asm-generic/irqflags.h.
This simplifies the irqflags support by switching over to the asm-generic
version. The necessary support functions are brought out-of-line for both
SHcompact and SHmedia instruction sets.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/sh/include')
-rw-r--r-- | arch/sh/include/asm/irqflags.h | 31 | ||||
-rw-r--r-- | arch/sh/include/asm/irqflags_32.h | 99 | ||||
-rw-r--r-- | arch/sh/include/asm/irqflags_64.h | 85 | ||||
-rw-r--r-- | arch/sh/include/asm/system_32.h | 29 | ||||
-rw-r--r-- | arch/sh/include/asm/system_64.h | 26 |
5 files changed, 58 insertions, 212 deletions
diff --git a/arch/sh/include/asm/irqflags.h b/arch/sh/include/asm/irqflags.h index 46e71da5be6..a741153b41c 100644 --- a/arch/sh/include/asm/irqflags.h +++ b/arch/sh/include/asm/irqflags.h @@ -1,34 +1,9 @@ #ifndef __ASM_SH_IRQFLAGS_H #define __ASM_SH_IRQFLAGS_H -#ifdef CONFIG_SUPERH32 -#include "irqflags_32.h" -#else -#include "irqflags_64.h" -#endif +#define RAW_IRQ_DISABLED 0xf0 +#define RAW_IRQ_ENABLED 0x00 -#define raw_local_save_flags(flags) \ - do { (flags) = __raw_local_save_flags(); } while (0) - -static inline int raw_irqs_disabled_flags(unsigned long flags) -{ - return (flags != 0); -} - -static inline int raw_irqs_disabled(void) -{ - unsigned long flags = __raw_local_save_flags(); - - return raw_irqs_disabled_flags(flags); -} - -#define raw_local_irq_save(flags) \ - do { (flags) = __raw_local_irq_save(); } while (0) - -static inline void raw_local_irq_restore(unsigned long flags) -{ - if ((flags & 0xf0) != 0xf0) - raw_local_irq_enable(); -} +#include <asm-generic/irqflags.h> #endif /* __ASM_SH_IRQFLAGS_H */ diff --git a/arch/sh/include/asm/irqflags_32.h b/arch/sh/include/asm/irqflags_32.h deleted file mode 100644 index 60218f54134..00000000000 --- a/arch/sh/include/asm/irqflags_32.h +++ /dev/null @@ -1,99 +0,0 @@ -#ifndef __ASM_SH_IRQFLAGS_32_H -#define __ASM_SH_IRQFLAGS_32_H - -static inline void raw_local_irq_enable(void) -{ - unsigned long __dummy0, __dummy1; - - __asm__ __volatile__ ( - "stc sr, %0\n\t" - "and %1, %0\n\t" -#ifdef CONFIG_CPU_HAS_SR_RB - "stc r6_bank, %1\n\t" - "or %1, %0\n\t" -#endif - "ldc %0, sr\n\t" - : "=&r" (__dummy0), "=r" (__dummy1) - : "1" (~0x000000f0) - : "memory" - ); -} - -static inline void raw_local_irq_disable(void) -{ - unsigned long flags; - - __asm__ __volatile__ ( - "stc sr, %0\n\t" - "or #0xf0, %0\n\t" - "ldc %0, sr\n\t" - : "=&z" (flags) - : /* no inputs */ - : "memory" - ); -} - -static inline void set_bl_bit(void) -{ - unsigned long __dummy0, __dummy1; - - __asm__ __volatile__ ( - "stc sr, %0\n\t" - "or %2, %0\n\t" - "and %3, %0\n\t" - "ldc %0, sr\n\t" - : "=&r" (__dummy0), "=r" (__dummy1) - : "r" (0x10000000), "r" (0xffffff0f) - : "memory" - ); -} - -static inline void clear_bl_bit(void) -{ - unsigned long __dummy0, __dummy1; - - __asm__ __volatile__ ( - "stc sr, %0\n\t" - "and %2, %0\n\t" - "ldc %0, sr\n\t" - : "=&r" (__dummy0), "=r" (__dummy1) - : "1" (~0x10000000) - : "memory" - ); -} - -static inline unsigned long __raw_local_save_flags(void) -{ - unsigned long flags; - - __asm__ __volatile__ ( - "stc sr, %0\n\t" - "and #0xf0, %0\n\t" - : "=&z" (flags) - : /* no inputs */ - : "memory" - ); - - return flags; -} - -static inline unsigned long __raw_local_irq_save(void) -{ - unsigned long flags, __dummy; - - __asm__ __volatile__ ( - "stc sr, %1\n\t" - "mov %1, %0\n\t" - "or #0xf0, %0\n\t" - "ldc %0, sr\n\t" - "mov %1, %0\n\t" - "and #0xf0, %0\n\t" - : "=&z" (flags), "=&r" (__dummy) - : /* no inputs */ - : "memory" - ); - - return flags; -} - -#endif /* __ASM_SH_IRQFLAGS_32_H */ diff --git a/arch/sh/include/asm/irqflags_64.h b/arch/sh/include/asm/irqflags_64.h deleted file mode 100644 index 88f65222c1d..00000000000 --- a/arch/sh/include/asm/irqflags_64.h +++ /dev/null @@ -1,85 +0,0 @@ -#ifndef __ASM_SH_IRQFLAGS_64_H -#define __ASM_SH_IRQFLAGS_64_H - -#include <cpu/registers.h> - -#define SR_MASK_LL 0x00000000000000f0LL -#define SR_BL_LL 0x0000000010000000LL - -static inline void raw_local_irq_enable(void) -{ - unsigned long long __dummy0, __dummy1 = ~SR_MASK_LL; - - __asm__ __volatile__("getcon " __SR ", %0\n\t" - "and %0, %1, %0\n\t" - "putcon %0, " __SR "\n\t" - : "=&r" (__dummy0) - : "r" (__dummy1)); -} - -static inline void raw_local_irq_disable(void) -{ - unsigned long long __dummy0, __dummy1 = SR_MASK_LL; - - __asm__ __volatile__("getcon " __SR ", %0\n\t" - "or %0, %1, %0\n\t" - "putcon %0, " __SR "\n\t" - : "=&r" (__dummy0) - : "r" (__dummy1)); -} - -static inline void set_bl_bit(void) -{ - unsigned long long __dummy0, __dummy1 = SR_BL_LL; - - __asm__ __volatile__("getcon " __SR ", %0\n\t" - "or %0, %1, %0\n\t" - "putcon %0, " __SR "\n\t" - : "=&r" (__dummy0) - : "r" (__dummy1)); - -} - -static inline void clear_bl_bit(void) -{ - unsigned long long __dummy0, __dummy1 = ~SR_BL_LL; - - __asm__ __volatile__("getcon " __SR ", %0\n\t" - "and %0, %1, %0\n\t" - "putcon %0, " __SR "\n\t" - : "=&r" (__dummy0) - : "r" (__dummy1)); -} - -static inline unsigned long __raw_local_save_flags(void) -{ - unsigned long long __dummy = SR_MASK_LL; - unsigned long flags; - - __asm__ __volatile__ ( - "getcon " __SR ", %0\n\t" - "and %0, %1, %0" - : "=&r" (flags) - : "r" (__dummy)); - - return flags; -} - -static inline unsigned long __raw_local_irq_save(void) -{ - unsigned long long __dummy0, __dummy1 = SR_MASK_LL; - unsigned long flags; - - __asm__ __volatile__ ( - "getcon " __SR ", %1\n\t" - "or %1, r63, %0\n\t" - "or %1, %2, %1\n\t" - "putcon %1, " __SR "\n\t" - "and %0, %2, %0" - : "=&r" (flags), "=&r" (__dummy0) - : "r" (__dummy1)); - - return flags; -} - -#endif /* __ASM_SH_IRQFLAGS_64_H */ diff --git a/arch/sh/include/asm/system_32.h b/arch/sh/include/asm/system_32.h index 607d413f616..06814f5b59c 100644 --- a/arch/sh/include/asm/system_32.h +++ b/arch/sh/include/asm/system_32.h @@ -232,4 +232,33 @@ asmlinkage void do_exception_error(unsigned long r4, unsigned long r5, unsigned long r6, unsigned long r7, struct pt_regs __regs); +static inline void set_bl_bit(void) +{ + unsigned long __dummy0, __dummy1; + + __asm__ __volatile__ ( + "stc sr, %0\n\t" + "or %2, %0\n\t" + "and %3, %0\n\t" + "ldc %0, sr\n\t" + : "=&r" (__dummy0), "=r" (__dummy1) + : "r" (0x10000000), "r" (0xffffff0f) + : "memory" + ); +} + +static inline void clear_bl_bit(void) +{ + unsigned long __dummy0, __dummy1; + + __asm__ __volatile__ ( + "stc sr, %0\n\t" + "and %2, %0\n\t" + "ldc %0, sr\n\t" + : "=&r" (__dummy0), "=r" (__dummy1) + : "1" (~0x10000000) + : "memory" + ); +} + #endif /* __ASM_SH_SYSTEM_32_H */ diff --git a/arch/sh/include/asm/system_64.h b/arch/sh/include/asm/system_64.h index 8e4a03e7966..ab1dd917ea8 100644 --- a/arch/sh/include/asm/system_64.h +++ b/arch/sh/include/asm/system_64.h @@ -12,6 +12,7 @@ * License. See the file "COPYING" in the main directory of this archive * for more details. */ +#include <cpu/registers.h> #include <asm/processor.h> /* @@ -47,4 +48,29 @@ static inline reg_size_t register_align(void *val) return (unsigned long long)(signed long long)(signed long)val; } +#define SR_BL_LL 0x0000000010000000LL + +static inline void set_bl_bit(void) +{ + unsigned long long __dummy0, __dummy1 = SR_BL_LL; + + __asm__ __volatile__("getcon " __SR ", %0\n\t" + "or %0, %1, %0\n\t" + "putcon %0, " __SR "\n\t" + : "=&r" (__dummy0) + : "r" (__dummy1)); + +} + +static inline void clear_bl_bit(void) +{ + unsigned long long __dummy0, __dummy1 = ~SR_BL_LL; + + __asm__ __volatile__("getcon " __SR ", %0\n\t" + "and %0, %1, %0\n\t" + "putcon %0, " __SR "\n\t" + : "=&r" (__dummy0) + : "r" (__dummy1)); +} + #endif /* __ASM_SH_SYSTEM_64_H */ |