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authorJeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>2010-11-16 11:06:22 -0800
committerJeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>2010-11-16 11:06:22 -0800
commit20b4755e4fbb226eb42951bd40b53fcbce9ef944 (patch)
tree43da70e0b32ee423d3643ecd422821383411ab72 /arch/h8300/include/asm/irqflags.h
parentxen: fix header export to userspace (diff)
parentLinux 2.6.37-rc2 (diff)
downloadlinux-dev-20b4755e4fbb226eb42951bd40b53fcbce9ef944.tar.xz
linux-dev-20b4755e4fbb226eb42951bd40b53fcbce9ef944.zip
Merge commit 'v2.6.37-rc2' into upstream/xenfs
* commit 'v2.6.37-rc2': (10093 commits) Linux 2.6.37-rc2 capabilities/syslog: open code cap_syslog logic to fix build failure i2c: Sanity checks on adapter registration i2c: Mark i2c_adapter.id as deprecated i2c: Drivers shouldn't include <linux/i2c-id.h> i2c: Delete unused adapter IDs i2c: Remove obsolete cleanup for clientdata include/linux/kernel.h: Move logging bits to include/linux/printk.h Fix gcc 4.5.1 miscompiling drivers/char/i8k.c (again) hwmon: (w83795) Check for BEEP pin availability hwmon: (w83795) Clear intrusion alarm immediately hwmon: (w83795) Read the intrusion state properly hwmon: (w83795) Print the actual temperature channels as sources hwmon: (w83795) List all usable temperature sources hwmon: (w83795) Expose fan control method hwmon: (w83795) Fix fan control mode attributes hwmon: (lm95241) Check validity of input values hwmon: Change mail address of Hans J. Koch PCI: sysfs: fix printk warnings GFS2: Fix inode deallocation race ...
Diffstat (limited to 'arch/h8300/include/asm/irqflags.h')
-rw-r--r--arch/h8300/include/asm/irqflags.h43
1 files changed, 43 insertions, 0 deletions
diff --git a/arch/h8300/include/asm/irqflags.h b/arch/h8300/include/asm/irqflags.h
new file mode 100644
index 000000000000..9617cd57aebd
--- /dev/null
+++ b/arch/h8300/include/asm/irqflags.h
@@ -0,0 +1,43 @@
+#ifndef _H8300_IRQFLAGS_H
+#define _H8300_IRQFLAGS_H
+
+static inline unsigned long arch_local_save_flags(void)
+{
+ unsigned long flags;
+ asm volatile ("stc ccr,%w0" : "=r" (flags));
+ return flags;
+}
+
+static inline void arch_local_irq_disable(void)
+{
+ asm volatile ("orc #0x80,ccr" : : : "memory");
+}
+
+static inline void arch_local_irq_enable(void)
+{
+ asm volatile ("andc #0x7f,ccr" : : : "memory");
+}
+
+static inline unsigned long arch_local_irq_save(void)
+{
+ unsigned long flags = arch_local_save_flags();
+ arch_local_irq_disable();
+ return flags;
+}
+
+static inline void arch_local_irq_restore(unsigned long flags)
+{
+ asm volatile ("ldc %w0,ccr" : : "r" (flags) : "memory");
+}
+
+static inline bool arch_irqs_disabled_flags(unsigned long flags)
+{
+ return (flags & 0x80) == 0x80;
+}
+
+static inline bool arch_irqs_disabled(void)
+{
+ return arch_irqs_disabled_flags(arch_local_save_flags());
+}
+
+#endif /* _H8300_IRQFLAGS_H */