From: Paul Mundt Date: Sat, 17 Oct 2009 12:06:39 +0000 (+0900) Subject: sh: Convert to asm-generic/irqflags.h. X-Git-Tag: upstream/snapshot3+hdmi~16124^2~62^2~69 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=03fdb708926d5df2d9b9e62222c1666e20caa9e3;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git 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 --- diff --git a/arch/sh/include/asm/irqflags.h b/arch/sh/include/asm/irqflags.h index 46e71da..a741153 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 #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 60218f5..0000000 --- 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 88f6522..0000000 --- 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 - -#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 607d413..06814f5 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 8e4a03e..ab1dd91 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 #include /* @@ -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 */ diff --git a/arch/sh/kernel/Makefile b/arch/sh/kernel/Makefile index f879120..6fe0fcd 100644 --- a/arch/sh/kernel/Makefile +++ b/arch/sh/kernel/Makefile @@ -12,8 +12,8 @@ endif CFLAGS_REMOVE_return_address.o = -pg obj-y := debugtraps.o dumpstack.o idle.o io.o io_generic.o irq.o \ - machvec.o nmi_debug.o process_$(BITS).o ptrace_$(BITS).o \ - return_address.o \ + irq_$(BITS).o machvec.o nmi_debug.o process_$(BITS).o \ + ptrace_$(BITS).o return_address.o \ setup.o signal_$(BITS).o sys_sh.o sys_sh$(BITS).o \ syscalls_$(BITS).o time.o topology.o traps.o \ traps_$(BITS).o unwinder.o diff --git a/arch/sh/kernel/irq_32.c b/arch/sh/kernel/irq_32.c new file mode 100644 index 0000000..b98a694 --- /dev/null +++ b/arch/sh/kernel/irq_32.c @@ -0,0 +1,57 @@ +/* + * SHcompact irqflags support + * + * Copyright (C) 2006 - 2009 Paul Mundt + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + */ +#include +#include + +void raw_local_irq_restore(unsigned long flags) +{ + unsigned long __dummy0, __dummy1; + + if (flags == RAW_IRQ_DISABLED) { + __asm__ __volatile__ ( + "stc sr, %0\n\t" + "or #0xf0, %0\n\t" + "ldc %0, sr\n\t" + : "=&z" (__dummy0) + : /* no inputs */ + : "memory" + ); + } else { + __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" (~RAW_IRQ_DISABLED) + : "memory" + ); + } +} +EXPORT_SYMBOL(raw_local_irq_restore); + +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; +} +EXPORT_SYMBOL(__raw_local_save_flags); diff --git a/arch/sh/kernel/irq_64.c b/arch/sh/kernel/irq_64.c new file mode 100644 index 0000000..09d9271 --- /dev/null +++ b/arch/sh/kernel/irq_64.c @@ -0,0 +1,51 @@ +/* + * SHmedia irqflags support + * + * Copyright (C) 2006 - 2009 Paul Mundt + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + */ +#include +#include +#include + +void raw_local_irq_restore(unsigned long flags) +{ + unsigned long long __dummy; + + if (flags == RAW_IRQ_DISABLED) { + __asm__ __volatile__ ( + "getcon " __SR ", %0\n\t" + "or %0, %1, %0\n\t" + "putcon %0, " __SR "\n\t" + : "=&r" (__dummy) + : "r" (RAW_IRQ_DISABLED) + ); + } else { + __asm__ __volatile__ ( + "getcon " __SR ", %0\n\t" + "and %0, %1, %0\n\t" + "putcon %0, " __SR "\n\t" + : "=&r" (__dummy) + : "r" (~RAW_IRQ_DISABLED) + ); + } +} +EXPORT_SYMBOL(raw_local_irq_restore); + +unsigned long __raw_local_save_flags(void) +{ + unsigned long flags; + + __asm__ __volatile__ ( + "getcon " __SR ", %0\n\t" + "and %0, %1, %0" + : "=&r" (flags) + : "r" (RAW_IRQ_DISABLED) + ); + + return flags; +} +EXPORT_SYMBOL(__raw_local_save_flags);