patch-2.3.47 linux/arch/alpha/kernel/irq_impl.h

• Lines: 60
• Date: Sun Feb 20 08:13:56 2000
• Orig file: v2.3.46/linux/arch/alpha/kernel/irq_impl.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.3.46/linux/arch/alpha/kernel/irq_impl.h linux/arch/alpha/kernel/irq_impl.h
@@ -0,0 +1,59 @@
+/*
+ *	linux/arch/alpha/kernel/irq_impl.h
+ *
+ *	Copyright (C) 1995 Linus Torvalds
+ *	Copyright (C) 1998, 2000 Richard Henderson
+ *
+ * This file contains declarations and inline functions for interfacing
+ * with the IRQ handling routines in irq.c.
+ */
+
+#include <linux/interrupt.h>
+#include <linux/irq.h>
+
+
+#define RTC_IRQ    8
+
+extern void isa_device_interrupt(unsigned long, struct pt_regs *);
+extern void isa_no_iack_sc_device_interrupt(unsigned long, struct pt_regs *);
+extern void srm_device_interrupt(unsigned long, struct pt_regs *);
+extern void pyxis_device_interrupt(unsigned long, struct pt_regs *);
+
+extern struct irqaction isa_cascade_irqaction;
+extern struct irqaction timer_cascade_irqaction;
+extern struct irqaction halt_switch_irqaction;
+
+extern void init_srm_irqs(long, unsigned long);
+extern void init_pyxis_irqs(unsigned long);
+extern void init_rtc_irq(void);
+
+extern void common_init_isa_dma(void);
+
+extern void i8259a_enable_irq(unsigned int);
+extern void i8259a_disable_irq(unsigned int);
+extern void i8259a_mask_and_ack_irq(unsigned int);
+extern unsigned int i8259a_startup_irq(unsigned int);
+extern struct hw_interrupt_type i8259a_irq_type;
+extern void init_i8259a_irqs(void);
+
+extern void no_action(int cpl, void *dev_id, struct pt_regs *regs);
+extern void handle_irq(int irq, struct pt_regs * regs);
+
+static inline void
+alpha_do_profile(unsigned long pc)
+{
+	if (prof_buffer && current->pid) {
+		extern char _stext;
+
+		pc -= (unsigned long) &_stext;
+		pc >>= prof_shift;
+		/*
+		 * Don't ignore out-of-bounds PC values silently,
+		 * put them into the last histogram slot, so if
+		 * present, they will show up as a sharp peak.
+		 */
+		if (pc > prof_len - 1)
+			pc = prof_len - 1;
+		atomic_inc((atomic_t *)&prof_buffer[pc]);
+	}
+}