From: David Howells <dhowells@redhat.com>
To: linux-arch@vger.kernel.org
Cc: dhowells@redhat.com, linux-kernel@vger.kernel.org
Subject: [PATCH 17/22] Fix m32r irqflags
Date: Fri, 27 Aug 2010 03:00:33 +0100 [thread overview]
Message-ID: <20100827020033.27277.78509.stgit@warthog.procyon.org.uk> (raw)
In-Reply-To: <20100827015905.27277.39167.stgit@warthog.procyon.org.uk>
---
arch/m32r/include/asm/irqflags.h | 105 ++++++++++++++++++++++++++++++++++++++
arch/m32r/include/asm/system.h | 66 ------------------------
2 files changed, 106 insertions(+), 65 deletions(-)
create mode 100644 arch/m32r/include/asm/irqflags.h
diff --git a/arch/m32r/include/asm/irqflags.h b/arch/m32r/include/asm/irqflags.h
new file mode 100644
index 0000000..e465339
--- /dev/null
+++ b/arch/m32r/include/asm/irqflags.h
@@ -0,0 +1,105 @@
+/*
+ * 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.
+ *
+ * Copyright (C) 2001 Hiroyuki Kondo, Hirokazu Takata, and Hitoshi Yamamoto
+ * Copyright (C) 2004, 2006 Hirokazu Takata <takata at linux-m32r.org>
+ */
+
+#ifndef _ASM_M32R_IRQFLAGS_H
+#define _ASM_M32R_IRQFLAGS_H
+
+#include <linux/types.h>
+
+static inline unsigned long arch_local_save_flags(void)
+{
+ unsigned long flags;
+ asm volatile("mvfc %0,psw" : "=r"(flags));
+ return flags;
+}
+
+static inline void arch_local_irq_disable(void)
+{
+#if !defined(CONFIG_CHIP_M32102) && !defined(CONFIG_CHIP_M32104)
+ asm volatile (
+ "clrpsw #0x40 -> nop"
+ : : :"memory");
+#else
+ unsigned long tmpreg0, tmpreg1;
+ asm volatile (
+ "ld24 %0, #0 ; Use 32-bit insn. \n\t"
+ "mvfc %1, psw ; No interrupt can be accepted here. \n\t"
+ "mvtc %0, psw \n\t"
+ "and3 %0, %1, #0xffbf \n\t"
+ "mvtc %0, psw \n\t"
+ : "=&r" (tmpreg0), "=&r" (tmpreg1)
+ :
+ : "cbit", "memory");
+#endif
+}
+
+static inline void arch_local_irq_enable(void)
+{
+#if !defined(CONFIG_CHIP_M32102) && !defined(CONFIG_CHIP_M32104)
+ asm volatile (
+ "setpsw #0x40 -> nop"
+ : : :"memory");
+#else
+ unsigned long tmpreg;
+ asm volatile (
+ "mvfc %0, psw; \n\t"
+ "or3 %0, %0, #0x0040; \n\t"
+ "mvtc %0, psw; \n\t"
+ : "=&r" (tmpreg)
+ :
+ : "cbit", "memory");
+#endif
+}
+
+static inline unsigned long arch_local_irq_save(void)
+{
+ unsigned long flags;
+
+#if !(defined(CONFIG_CHIP_M32102) || defined(CONFIG_CHIP_M32104))
+ asm volatile (
+ "mvfc %0, psw; \n\t"
+ "clrpsw #0x40 -> nop; \n\t"
+ : "=r" (flags)
+ :
+ : "memory");
+#else
+ unsigned long tmpreg;
+ asm volatile (
+ "ld24 %1, #0 \n\t"
+ "mvfc %0, psw \n\t"
+ "mvtc %1, psw \n\t"
+ "and3 %1, %0, #0xffbf \n\t"
+ "mvtc %1, psw \n\t"
+ : "=r" (flags), "=&r" (tmpreg)
+ :
+ : "cbit", "memory");
+#endif
+ return flags;
+}
+
+static inline void arch_local_irq_restore(unsigned long flags)
+{
+ asm volatile("mvtc %0,psw"
+ :
+ : "r" (flags)
+ : "cbit", "memory");
+}
+
+static inline bool arch_irqs_disabled_flags(unsigned long flags)
+{
+ return !(flags & 0x40);
+}
+
+static inline bool arch_irqs_disabled(void)
+{
+ return arch_irqs_disabled_flags(arch_local_save_flags());
+}
+
+#endif /* _ASM_M32R_IRQFLAGS_H */
+
diff --git a/arch/m32r/include/asm/system.h b/arch/m32r/include/asm/system.h
index c980f5b..13c4679 100644
--- a/arch/m32r/include/asm/system.h
+++ b/arch/m32r/include/asm/system.h
@@ -11,6 +11,7 @@
*/
#include <linux/compiler.h>
+#include <linux/irqflags.h>
#include <asm/assembler.h>
#ifdef __KERNEL__
@@ -54,71 +55,6 @@
); \
} while(0)
-/* Interrupt Control */
-#if !defined(CONFIG_CHIP_M32102) && !defined(CONFIG_CHIP_M32104)
-#define local_irq_enable() \
- __asm__ __volatile__ ("setpsw #0x40 -> nop": : :"memory")
-#define local_irq_disable() \
- __asm__ __volatile__ ("clrpsw #0x40 -> nop": : :"memory")
-#else /* CONFIG_CHIP_M32102 || CONFIG_CHIP_M32104 */
-static inline void local_irq_enable(void)
-{
- unsigned long tmpreg;
- __asm__ __volatile__(
- "mvfc %0, psw; \n\t"
- "or3 %0, %0, #0x0040; \n\t"
- "mvtc %0, psw; \n\t"
- : "=&r" (tmpreg) : : "cbit", "memory");
-}
-
-static inline void local_irq_disable(void)
-{
- unsigned long tmpreg0, tmpreg1;
- __asm__ __volatile__(
- "ld24 %0, #0 ; Use 32-bit insn. \n\t"
- "mvfc %1, psw ; No interrupt can be accepted here. \n\t"
- "mvtc %0, psw \n\t"
- "and3 %0, %1, #0xffbf \n\t"
- "mvtc %0, psw \n\t"
- : "=&r" (tmpreg0), "=&r" (tmpreg1) : : "cbit", "memory");
-}
-#endif /* CONFIG_CHIP_M32102 || CONFIG_CHIP_M32104 */
-
-#define local_save_flags(x) \
- __asm__ __volatile__("mvfc %0,psw" : "=r"(x) : /* no input */)
-
-#define local_irq_restore(x) \
- __asm__ __volatile__("mvtc %0,psw" : /* no outputs */ \
- : "r" (x) : "cbit", "memory")
-
-#if !(defined(CONFIG_CHIP_M32102) || defined(CONFIG_CHIP_M32104))
-#define local_irq_save(x) \
- __asm__ __volatile__( \
- "mvfc %0, psw; \n\t" \
- "clrpsw #0x40 -> nop; \n\t" \
- : "=r" (x) : /* no input */ : "memory")
-#else /* CONFIG_CHIP_M32102 || CONFIG_CHIP_M32104 */
-#define local_irq_save(x) \
- ({ \
- unsigned long tmpreg; \
- __asm__ __volatile__( \
- "ld24 %1, #0 \n\t" \
- "mvfc %0, psw \n\t" \
- "mvtc %1, psw \n\t" \
- "and3 %1, %0, #0xffbf \n\t" \
- "mvtc %1, psw \n\t" \
- : "=r" (x), "=&r" (tmpreg) \
- : : "cbit", "memory"); \
- })
-#endif /* CONFIG_CHIP_M32102 || CONFIG_CHIP_M32104 */
-
-#define irqs_disabled() \
- ({ \
- unsigned long flags; \
- local_save_flags(flags); \
- !(flags & 0x40); \
- })
-
#define nop() __asm__ __volatile__ ("nop" : : )
#define xchg(ptr, x) \
next prev parent reply other threads:[~2010-08-27 2:00 UTC|newest]
Thread overview: 94+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-08-27 1:59 [PATCH 00/22] Name the irq flag handling functions sanely David Howells
2010-08-27 1:59 ` [PATCH 01/22] Alpha: Fix a missing comma in sys_osf_statfs() David Howells
2010-08-27 1:59 ` David Howells
2010-08-27 1:59 ` [PATCH 02/22] Blackfin: Split PLL code from mach-specific cdef headers David Howells
2010-08-27 1:59 ` [PATCH 03/22] Blackfin: Don't redefine blackfin serial port symbols David Howells
2010-08-27 1:59 ` [PATCH 04/22] Blackfin: Split the BF532 BFIN_*_FIO_FLAG() functions to their own header David Howells
2010-08-27 1:59 ` David Howells
2010-08-27 1:59 ` [PATCH 05/22] Blackfin: Rename DES PC2() symbol to avoid collision David Howells
2010-08-27 1:59 ` David Howells
2010-08-27 1:59 ` [PATCH 06/22] Blackfin: Add missing dep to asm/irqflags.h David Howells
2010-08-27 1:59 ` David Howells
2010-08-27 1:59 ` [PATCH 07/22] Blackfin: Rename IRQ flags handling functions David Howells
2010-08-27 1:59 ` [PATCH 08/22] h8300: IRQ flags should be stored in an unsigned long David Howells
2010-08-27 1:59 ` [PATCH 09/22] h8300: Fix die() David Howells
2010-08-27 1:59 ` [PATCH 10/22] h8300: Fix missing consts in kernel_execve() David Howells
2010-08-27 1:59 ` David Howells
2010-08-27 2:00 ` [PATCH 11/22] SH: Add missing consts to sys_execve() declaration David Howells
2010-08-27 2:00 ` [PATCH 12/22] Fix IRQ flag handling naming David Howells
2010-08-27 2:00 ` David Howells
2010-08-27 2:00 ` [PATCH 13/22] MIPS: Fix IRQ flags handling David Howells
2010-08-27 2:00 ` David Howells
2010-08-27 2:00 ` [PATCH 14/22] Fix Alpha irqflags David Howells
2010-08-27 2:00 ` David Howells
2010-08-27 2:00 ` [PATCH 15/22] Fix H8300 arch David Howells
2010-08-27 2:00 ` David Howells
2010-08-27 2:00 ` [PATCH 16/22] Fix IA64 irqflags David Howells
2010-08-27 2:00 ` David Howells
2010-08-27 2:00 ` David Howells [this message]
2010-08-27 2:00 ` [PATCH 17/22] Fix m32r irqflags David Howells
2010-08-27 2:00 ` [PATCH 18/22] Fix M68K irqflags David Howells
2010-08-27 2:00 ` David Howells
2010-08-30 7:12 ` Greg Ungerer
2010-08-30 7:12 ` Greg Ungerer
2010-08-30 20:50 ` David Howells
2010-08-31 7:36 ` Geert Uytterhoeven
2010-08-31 16:00 ` David Howells
2010-09-01 6:38 ` Greg Ungerer
2010-09-01 6:33 ` Greg Ungerer
2010-09-01 10:43 ` David Howells
2010-09-01 10:43 ` David Howells
2010-09-01 11:21 ` Greg Ungerer
2010-09-01 10:46 ` David Howells
2010-09-01 11:22 ` Greg Ungerer
2010-09-01 11:31 ` David Howells
2010-09-01 11:30 ` David Howells
2010-09-01 11:36 ` Greg Ungerer
2010-09-01 12:03 ` David Howells
2010-09-02 1:46 ` Greg Ungerer
2010-09-02 10:20 ` David Howells
2010-09-02 10:21 ` [PATCH 1/3] Drop a couple of unnecessary asm/include.h inclusions David Howells
2010-09-03 1:29 ` Greg Ungerer
2010-09-02 10:21 ` [PATCH 2/3] M68K: Use CONFIG_MMU not __uClinux__ to select m68knommu contributions David Howells
2010-09-02 10:21 ` David Howells
2010-09-02 13:54 ` Sam Ravnborg
2010-09-02 14:15 ` Andreas Schwab
2010-09-03 3:29 ` Greg Ungerer
2010-09-02 14:21 ` Andreas Schwab
2010-09-02 19:53 ` Geert Uytterhoeven
2010-09-03 3:30 ` Greg Ungerer
2010-09-03 3:30 ` Greg Ungerer
2010-09-03 8:41 ` Andreas Schwab
2010-09-03 9:18 ` David Howells
2010-09-03 9:31 ` Greg Ungerer
2010-09-03 9:33 ` Geert Uytterhoeven
2010-09-03 9:52 ` David Howells
2010-09-03 10:02 ` Geert Uytterhoeven
2010-09-03 10:41 ` Greg Ungerer
2010-09-03 10:41 ` Greg Ungerer
2010-09-02 15:11 ` David Howells
2010-09-02 15:12 ` David Howells
2010-09-02 15:12 ` David Howells
2010-09-02 16:50 ` Sam Ravnborg
2010-09-02 10:22 ` [PATCH 3/3] Fix M68K irqflags David Howells
2010-09-02 10:22 ` David Howells
2010-09-03 1:28 ` Greg Ungerer
2010-09-03 6:44 ` David Howells
2010-09-03 6:53 ` Greg Ungerer
2010-09-03 7:28 ` David Howells
2010-09-03 8:05 ` David Howells
2010-09-03 8:05 ` David Howells
2010-09-03 9:28 ` Greg Ungerer
2010-09-03 10:05 ` David Howells
2010-09-03 10:38 ` Greg Ungerer
2010-09-02 10:48 ` [PATCH 1/3] Drop a couple of unnecessary asm/include.h inclusions David Howells
2010-08-27 2:00 ` [PATCH 19/22] Fix PA-RISC irqflags David Howells
2010-09-03 1:40 ` Kyle McMartin
2010-09-03 6:48 ` David Howells
2010-09-03 13:31 ` Kyle McMartin
2010-08-27 2:00 ` [PATCH 20/22] Fix powerpc irqflags David Howells
2010-08-27 2:00 ` David Howells
2010-08-27 2:00 ` [PATCH 21/22] Fix SH irqflags David Howells
2010-08-27 2:00 ` David Howells
2010-08-27 2:00 ` [PATCH 22/22] Fix Sparc irqflags David Howells
2010-08-27 2:00 ` David Howells
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