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authorSrikant Patnaik2015-01-11 12:28:04 +0530
committerSrikant Patnaik2015-01-11 12:28:04 +0530
commit871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch)
tree8718f573808810c2a1e8cb8fb6ac469093ca2784 /arch/sh/kernel/irq_64.c
parent9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff)
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Moved, renamed, and deleted files
The original directory structure was scattered and unorganized. Changes are basically to make it look like kernel structure.
Diffstat (limited to 'arch/sh/kernel/irq_64.c')
-rw-r--r--arch/sh/kernel/irq_64.c51
1 files changed, 51 insertions, 0 deletions
diff --git a/arch/sh/kernel/irq_64.c b/arch/sh/kernel/irq_64.c
new file mode 100644
index 00000000..8fc05b99
--- /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 <linux/irqflags.h>
+#include <linux/module.h>
+#include <cpu/registers.h>
+
+void notrace arch_local_irq_restore(unsigned long flags)
+{
+ unsigned long long __dummy;
+
+ if (flags == ARCH_IRQ_DISABLED) {
+ __asm__ __volatile__ (
+ "getcon " __SR ", %0\n\t"
+ "or %0, %1, %0\n\t"
+ "putcon %0, " __SR "\n\t"
+ : "=&r" (__dummy)
+ : "r" (ARCH_IRQ_DISABLED)
+ );
+ } else {
+ __asm__ __volatile__ (
+ "getcon " __SR ", %0\n\t"
+ "and %0, %1, %0\n\t"
+ "putcon %0, " __SR "\n\t"
+ : "=&r" (__dummy)
+ : "r" (~ARCH_IRQ_DISABLED)
+ );
+ }
+}
+EXPORT_SYMBOL(arch_local_irq_restore);
+
+unsigned long notrace arch_local_save_flags(void)
+{
+ unsigned long flags;
+
+ __asm__ __volatile__ (
+ "getcon " __SR ", %0\n\t"
+ "and %0, %1, %0"
+ : "=&r" (flags)
+ : "r" (ARCH_IRQ_DISABLED)
+ );
+
+ return flags;
+}
+EXPORT_SYMBOL(arch_local_save_flags);