arch/sparc/kernel/kernel.h

   1 #ifndef __SPARC_KERNEL_H
   2 #define __SPARC_KERNEL_H
   3
   4 #include <linux/interrupt.h>
   5
   6 #include <asm/traps.h>
   7 #include <asm/head.h>
   8 #include <asm/io.h>
   9
  10 /* cpu.c */
  11 extern const char *sparc_pmu_type;
  12 extern unsigned int fsr_storage;
  13 extern int ncpus_probed;
  14
  15 #ifdef CONFIG_SPARC64
  16 /* setup_64.c */
  17 struct seq_file;
  18 extern void cpucap_info(struct seq_file *);
  19
  20 static inline unsigned long kimage_addr_to_ra(const char *p)
  21 {
  22         unsigned long val = (unsigned long) p;
  23
  24         return kern_base + (val - KERNBASE);
  25 }
  26 #endif
  27
  28 #ifdef CONFIG_SPARC32
  29 /* setup_32.c */
  30 void sparc32_start_kernel(struct linux_romvec *rp);
  31
  32 /* cpu.c */
  33 extern void cpu_probe(void);
  34
  35 /* traps_32.c */
  36 extern void handle_hw_divzero(struct pt_regs *regs, unsigned long pc,
  37                               unsigned long npc, unsigned long psr);
  38 /* irq_32.c */
  39 extern struct irqaction static_irqaction[];
  40 extern int static_irq_count;
  41 extern spinlock_t irq_action_lock;
  42
  43 extern void unexpected_irq(int irq, void *dev_id, struct pt_regs * regs);
  44 extern void init_IRQ(void);
  45
  46 /* sun4m_irq.c */
  47 extern void sun4m_init_IRQ(void);
  48 extern void sun4m_unmask_profile_irq(void);
  49 extern void sun4m_clear_profile_irq(int cpu);
  50
  51 /* sun4d_irq.c */
  52 extern spinlock_t sun4d_imsk_lock;
  53
  54 extern void sun4d_init_IRQ(void);
  55 extern int sun4d_request_irq(unsigned int irq,
  56                              irq_handler_t handler,
  57                              unsigned long irqflags,
  58                              const char *devname, void *dev_id);
  59 extern int show_sun4d_interrupts(struct seq_file *, void *);
  60 extern void sun4d_distribute_irqs(void);
  61 extern void sun4d_free_irq(unsigned int irq, void *dev_id);
  62
  63 /* head_32.S */
  64 extern unsigned int t_nmi[];
  65 extern unsigned int linux_trap_ipi15_sun4d[];
  66 extern unsigned int linux_trap_ipi15_sun4m[];
  67
  68 extern struct tt_entry trapbase_cpu1;
  69 extern struct tt_entry trapbase_cpu2;
  70 extern struct tt_entry trapbase_cpu3;
  71
  72 extern char cputypval[];
  73
  74 /* entry.S */
  75 extern unsigned long lvl14_save[4];
  76 extern unsigned int real_irq_entry[];
  77 extern unsigned int smp4d_ticker[];
  78 extern unsigned int patchme_maybe_smp_msg[];
  79
  80 extern void floppy_hardint(void);
  81
  82 /* trampoline_32.S */
  83 extern unsigned long sun4m_cpu_startup;
  84 extern unsigned long sun4d_cpu_startup;
  85
  86 #else /* CONFIG_SPARC32 */
  87 #endif /* CONFIG_SPARC32 */
  88 #endif /* !(__SPARC_KERNEL_H) */