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authorAndrew Hsieh <andrewhsieh@google.com>2013-11-11 16:01:46 +0800
committerAndrew Hsieh <andrewhsieh@google.com>2013-11-12 15:05:12 +0800
commit7b0de5ae35083554f258e68dcfb0c9ada702e70a (patch)
tree6db6ed333d1275a724874c1f9d9d28d200397706 /9/platforms/android-16/arch-mips/usr/include/linux/hardirq.h
parente9808d310fa92e2aa27a9208fe59144a43a8d4b6 (diff)
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Refresh prebuilts/ndk/9/platforms with r9b+, part 2/2
Part 2: add new API level 12, 13, 15, 16, 17 and 19 Change-Id: I305970f7766b3ed3e5faf2532952eaa03398fcbd
Diffstat (limited to '9/platforms/android-16/arch-mips/usr/include/linux/hardirq.h')
-rw-r--r--9/platforms/android-16/arch-mips/usr/include/linux/hardirq.h73
1 files changed, 73 insertions, 0 deletions
diff --git a/9/platforms/android-16/arch-mips/usr/include/linux/hardirq.h b/9/platforms/android-16/arch-mips/usr/include/linux/hardirq.h
new file mode 100644
index 0000000..c0566b0
--- /dev/null
+++ b/9/platforms/android-16/arch-mips/usr/include/linux/hardirq.h
@@ -0,0 +1,73 @@
+/****************************************************************************
+ ****************************************************************************
+ ***
+ *** This header was automatically generated from a Linux kernel header
+ *** of the same name, to make information necessary for userspace to
+ *** call into the kernel available to libc. It contains only constants,
+ *** structures, and macros generated from the original header, and thus,
+ *** contains no copyrightable information.
+ ***
+ ****************************************************************************
+ ****************************************************************************/
+#ifndef LINUX_HARDIRQ_H
+#define LINUX_HARDIRQ_H
+
+#include <linux/preempt.h>
+#include <linux/smp_lock.h>
+#include <linux/lockdep.h>
+#include <asm/hardirq.h>
+#include <asm/system.h>
+
+#define PREEMPT_BITS 8
+#define SOFTIRQ_BITS 8
+
+#ifndef HARDIRQ_BITS
+#define HARDIRQ_BITS 12
+
+#if 1 << HARDIRQ_BITS < NR_IRQS
+#error HARDIRQ_BITS is too low!
+#endif
+#endif
+
+#define PREEMPT_SHIFT 0
+#define SOFTIRQ_SHIFT (PREEMPT_SHIFT + PREEMPT_BITS)
+#define HARDIRQ_SHIFT (SOFTIRQ_SHIFT + SOFTIRQ_BITS)
+
+#define __IRQ_MASK(x) ((1UL << (x))-1)
+
+#define PREEMPT_MASK (__IRQ_MASK(PREEMPT_BITS) << PREEMPT_SHIFT)
+#define SOFTIRQ_MASK (__IRQ_MASK(SOFTIRQ_BITS) << SOFTIRQ_SHIFT)
+#define HARDIRQ_MASK (__IRQ_MASK(HARDIRQ_BITS) << HARDIRQ_SHIFT)
+
+#define PREEMPT_OFFSET (1UL << PREEMPT_SHIFT)
+#define SOFTIRQ_OFFSET (1UL << SOFTIRQ_SHIFT)
+#define HARDIRQ_OFFSET (1UL << HARDIRQ_SHIFT)
+
+#if PREEMPT_ACTIVE < 1 << HARDIRQ_SHIFT + HARDIRQ_BITS
+#error PREEMPT_ACTIVE is too low!
+#endif
+
+#define hardirq_count() (preempt_count() & HARDIRQ_MASK)
+#define softirq_count() (preempt_count() & SOFTIRQ_MASK)
+#define irq_count() (preempt_count() & (HARDIRQ_MASK | SOFTIRQ_MASK))
+
+#define in_irq() (hardirq_count())
+#define in_softirq() (softirq_count())
+#define in_interrupt() (irq_count())
+
+#define in_atomic() ((preempt_count() & ~PREEMPT_ACTIVE) != 0)
+
+#define preemptible() 0
+#define IRQ_EXIT_OFFSET HARDIRQ_OFFSET
+
+#define synchronize_irq(irq) barrier()
+
+struct task_struct;
+
+#define irq_enter() do { account_system_vtime(current); add_preempt_count(HARDIRQ_OFFSET); trace_hardirq_enter(); } while (0)
+#define __irq_exit() do { trace_hardirq_exit(); account_system_vtime(current); sub_preempt_count(HARDIRQ_OFFSET); } while (0)
+
+#define nmi_enter() do { lockdep_off(); irq_enter(); } while (0)
+#define nmi_exit() do { __irq_exit(); lockdep_on(); } while (0)
+
+#endif