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author | Andrew Hsieh <andrewhsieh@google.com> | 2013-11-11 16:01:46 +0800 |
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committer | Andrew Hsieh <andrewhsieh@google.com> | 2013-11-12 15:05:12 +0800 |
commit | 7b0de5ae35083554f258e68dcfb0c9ada702e70a (patch) | |
tree | 6db6ed333d1275a724874c1f9d9d28d200397706 /9/platforms/android-16/arch-mips/usr/include/linux/hardirq.h | |
parent | e9808d310fa92e2aa27a9208fe59144a43a8d4b6 (diff) | |
download | prebuilts_ndk-7b0de5ae35083554f258e68dcfb0c9ada702e70a.zip prebuilts_ndk-7b0de5ae35083554f258e68dcfb0c9ada702e70a.tar.gz prebuilts_ndk-7b0de5ae35083554f258e68dcfb0c9ada702e70a.tar.bz2 |
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.h | 73 |
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 |