diff options
author | Paul Mundt <lethal@linux-sh.org> | 2007-11-09 13:34:36 +0900 |
---|---|---|
committer | Paul Mundt <lethal@linux-sh.org> | 2008-01-28 13:18:40 +0900 |
commit | f64ee87614e80ca270de0b80c5164ab05f4f1d98 (patch) | |
tree | 4b5897164ad95cb6a056bc7364544f2e27f02642 /include/asm-sh | |
parent | 7960a1d02b00fd5dfa5c2d9b957e4e5f6ec23997 (diff) |
sh: Split out irqflags.h in to _32 and _64 variants.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'include/asm-sh')
-rw-r--r-- | include/asm-sh/cpu-sh5/registers.h | 106 | ||||
-rw-r--r-- | include/asm-sh/irqflags.h | 97 | ||||
-rw-r--r-- | include/asm-sh/irqflags_32.h | 99 | ||||
-rw-r--r-- | include/asm-sh/irqflags_64.h | 85 |
4 files changed, 294 insertions, 93 deletions
diff --git a/include/asm-sh/cpu-sh5/registers.h b/include/asm-sh/cpu-sh5/registers.h new file mode 100644 index 000000000000..7eec666acf84 --- /dev/null +++ b/include/asm-sh/cpu-sh5/registers.h @@ -0,0 +1,106 @@ +#ifndef __ASM_SH64_REGISTERS_H +#define __ASM_SH64_REGISTERS_H + +/* + * 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/asm-sh64/registers.h + * + * Copyright (C) 2000, 2001 Paolo Alberelli + * Copyright (C) 2004 Richard Curnow + */ + +#ifdef __ASSEMBLY__ +/* ===================================================================== +** +** Section 1: acts on assembly sources pre-processed by GPP ( <source.S>). +** Assigns symbolic names to control & target registers. +*/ + +/* + * Define some useful aliases for control registers. + */ +#define SR cr0 +#define SSR cr1 +#define PSSR cr2 + /* cr3 UNDEFINED */ +#define INTEVT cr4 +#define EXPEVT cr5 +#define PEXPEVT cr6 +#define TRA cr7 +#define SPC cr8 +#define PSPC cr9 +#define RESVEC cr10 +#define VBR cr11 + /* cr12 UNDEFINED */ +#define TEA cr13 + /* cr14-cr15 UNDEFINED */ +#define DCR cr16 +#define KCR0 cr17 +#define KCR1 cr18 + /* cr19-cr31 UNDEFINED */ + /* cr32-cr61 RESERVED */ +#define CTC cr62 +#define USR cr63 + +/* + * ABI dependent registers (general purpose set) + */ +#define RET r2 +#define ARG1 r2 +#define ARG2 r3 +#define ARG3 r4 +#define ARG4 r5 +#define ARG5 r6 +#define ARG6 r7 +#define SP r15 +#define LINK r18 +#define ZERO r63 + +/* + * Status register defines: used only by assembly sources (and + * syntax independednt) + */ +#define SR_RESET_VAL 0x0000000050008000 +#define SR_HARMLESS 0x00000000500080f0 /* Write ignores for most */ +#define SR_ENABLE_FPU 0xffffffffffff7fff /* AND with this */ + +#if defined (CONFIG_SH64_SR_WATCH) +#define SR_ENABLE_MMU 0x0000000084000000 /* OR with this */ +#else +#define SR_ENABLE_MMU 0x0000000080000000 /* OR with this */ +#endif + +#define SR_UNBLOCK_EXC 0xffffffffefffffff /* AND with this */ +#define SR_BLOCK_EXC 0x0000000010000000 /* OR with this */ + +#else /* Not __ASSEMBLY__ syntax */ + +/* +** Stringify reg. name +*/ +#define __str(x) #x + +/* Stringify control register names for use in inline assembly */ +#define __SR __str(SR) +#define __SSR __str(SSR) +#define __PSSR __str(PSSR) +#define __INTEVT __str(INTEVT) +#define __EXPEVT __str(EXPEVT) +#define __PEXPEVT __str(PEXPEVT) +#define __TRA __str(TRA) +#define __SPC __str(SPC) +#define __PSPC __str(PSPC) +#define __RESVEC __str(RESVEC) +#define __VBR __str(VBR) +#define __TEA __str(TEA) +#define __DCR __str(DCR) +#define __KCR0 __str(KCR0) +#define __KCR1 __str(KCR1) +#define __CTC __str(CTC) +#define __USR __str(USR) + +#endif /* __ASSEMBLY__ */ +#endif /* __ASM_SH64_REGISTERS_H */ diff --git a/include/asm-sh/irqflags.h b/include/asm-sh/irqflags.h index 9dedc1b693e3..46e71da5be6b 100644 --- a/include/asm-sh/irqflags.h +++ b/include/asm-sh/irqflags.h @@ -1,81 +1,11 @@ #ifndef __ASM_SH_IRQFLAGS_H #define __ASM_SH_IRQFLAGS_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" +#ifdef CONFIG_SUPERH32 +#include "irqflags_32.h" +#else +#include "irqflags_64.h" #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; -} #define raw_local_save_flags(flags) \ do { (flags) = __raw_local_save_flags(); } while (0) @@ -92,25 +22,6 @@ static inline int raw_irqs_disabled(void) return raw_irqs_disabled_flags(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; -} - #define raw_local_irq_save(flags) \ do { (flags) = __raw_local_irq_save(); } while (0) diff --git a/include/asm-sh/irqflags_32.h b/include/asm-sh/irqflags_32.h new file mode 100644 index 000000000000..60218f541340 --- /dev/null +++ b/include/asm-sh/irqflags_32.h @@ -0,0 +1,99 @@ +#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/include/asm-sh/irqflags_64.h b/include/asm-sh/irqflags_64.h new file mode 100644 index 000000000000..4f6b8a56e7bd --- /dev/null +++ b/include/asm-sh/irqflags_64.h @@ -0,0 +1,85 @@ +#ifndef __ASM_SH_IRQFLAGS_64_H +#define __ASM_SH_IRQFLAGS_64_H + +#include <asm/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 */ |