cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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irq.h (2363B)

      1/* SPDX-License-Identifier: GPL-2.0 */
      2#ifndef _ALPHA_IRQ_H
      3#define _ALPHA_IRQ_H
      4
      5/*
      6 *	linux/include/alpha/irq.h
      7 *
      8 *	(C) 1994 Linus Torvalds
      9 */
     10
     11#include <linux/linkage.h>
     12
     13#if   defined(CONFIG_ALPHA_GENERIC)
     14
     15/* Here NR_IRQS is not exact, but rather an upper bound.  This is used
     16   many places throughout the kernel to size static arrays.  That's ok,
     17   we'll use alpha_mv.nr_irqs when we want the real thing.  */
     18
     19/* When LEGACY_START_ADDRESS is selected, we leave out:
     20     TITAN
     21     WILDFIRE
     22     MARVEL
     23
     24   This helps keep the kernel object size reasonable for the majority
     25   of machines.
     26*/
     27
     28# if defined(CONFIG_ALPHA_LEGACY_START_ADDRESS)
     29#  define NR_IRQS      (128)           /* max is RAWHIDE/TAKARA */
     30# else
     31#  define NR_IRQS      (32768 + 16)    /* marvel - 32 pids */
     32# endif
     33
     34#elif defined(CONFIG_ALPHA_CABRIOLET) || \
     35      defined(CONFIG_ALPHA_EB66P)     || \
     36      defined(CONFIG_ALPHA_EB164)     || \
     37      defined(CONFIG_ALPHA_PC164)     || \
     38      defined(CONFIG_ALPHA_LX164)
     39# define NR_IRQS	35
     40
     41#elif defined(CONFIG_ALPHA_EB66)      || \
     42      defined(CONFIG_ALPHA_EB64P)     || \
     43      defined(CONFIG_ALPHA_MIKASA)
     44# define NR_IRQS	32
     45
     46#elif defined(CONFIG_ALPHA_ALCOR)     || \
     47      defined(CONFIG_ALPHA_MIATA)     || \
     48      defined(CONFIG_ALPHA_RUFFIAN)   || \
     49      defined(CONFIG_ALPHA_RX164)     || \
     50      defined(CONFIG_ALPHA_NORITAKE)
     51# define NR_IRQS	48
     52
     53#elif defined(CONFIG_ALPHA_SABLE)     || \
     54      defined(CONFIG_ALPHA_SX164)
     55# define NR_IRQS	40
     56
     57#elif defined(CONFIG_ALPHA_DP264) || \
     58      defined(CONFIG_ALPHA_LYNX)  || \
     59      defined(CONFIG_ALPHA_SHARK)
     60# define NR_IRQS	64
     61
     62#elif defined(CONFIG_ALPHA_TITAN)
     63#define NR_IRQS		80
     64
     65#elif defined(CONFIG_ALPHA_RAWHIDE) || \
     66      defined(CONFIG_ALPHA_TAKARA) || \
     67      defined(CONFIG_ALPHA_EIGER)
     68# define NR_IRQS	128
     69
     70#elif defined(CONFIG_ALPHA_WILDFIRE)
     71# define NR_IRQS	2048 /* enuff for 8 QBBs */
     72
     73#elif defined(CONFIG_ALPHA_MARVEL)
     74# define NR_IRQS	(32768 + 16) 	/* marvel - 32 pids*/
     75
     76#else /* everyone else */
     77# define NR_IRQS	16
     78#endif
     79
     80static __inline__ int irq_canonicalize(int irq)
     81{
     82	/*
     83	 * XXX is this true for all Alpha's?  The old serial driver
     84	 * did it this way for years without any complaints, so....
     85	 */
     86	return ((irq == 2) ? 9 : irq);
     87}
     88
     89struct pt_regs;
     90extern void (*perf_irq)(unsigned long, struct pt_regs *);
     91
     92#endif /* _ALPHA_IRQ_H */