xref: /linux/arch/sparc/kernel/kernel.h (revision c54ea4918c2b7722d7242ea53271356501988a9b)
1 #ifndef __SPARC_KERNEL_H
2 #define __SPARC_KERNEL_H
3 
4 #include <linux/interrupt.h>
5 
6 #include <asm/traps.h>
7 
8 /* cpu.c */
9 extern const char *sparc_cpu_type;
10 extern const char *sparc_pmu_type;
11 extern const char *sparc_fpu_type;
12 
13 extern unsigned int fsr_storage;
14 
15 #ifdef CONFIG_SPARC32
16 /* cpu.c */
17 extern void cpu_probe(void);
18 
19 /* traps_32.c */
20 extern void handle_hw_divzero(struct pt_regs *regs, unsigned long pc,
21                               unsigned long npc, unsigned long psr);
22 /* muldiv.c */
23 extern int do_user_muldiv (struct pt_regs *, unsigned long);
24 
25 /* irq_32.c */
26 extern struct irqaction static_irqaction[];
27 extern int static_irq_count;
28 extern spinlock_t irq_action_lock;
29 
30 extern void unexpected_irq(int irq, void *dev_id, struct pt_regs * regs);
31 extern void init_IRQ(void);
32 
33 /* sun4c_irq.c */
34 extern void sun4c_init_IRQ(void);
35 
36 /* sun4m_irq.c */
37 extern unsigned int lvl14_resolution;
38 
39 extern void sun4m_init_IRQ(void);
40 extern void sun4m_clear_profile_irq(int cpu);
41 
42 /* sun4d_irq.c */
43 extern spinlock_t sun4d_imsk_lock;
44 
45 extern void sun4d_init_IRQ(void);
46 extern int sun4d_request_irq(unsigned int irq,
47                              irq_handler_t handler,
48                              unsigned long irqflags,
49                              const char *devname, void *dev_id);
50 extern int show_sun4d_interrupts(struct seq_file *, void *);
51 extern void sun4d_distribute_irqs(void);
52 extern void sun4d_free_irq(unsigned int irq, void *dev_id);
53 
54 /* head_32.S */
55 extern unsigned int t_nmi[];
56 extern unsigned int linux_trap_ipi15_sun4d[];
57 extern unsigned int linux_trap_ipi15_sun4m[];
58 
59 extern struct tt_entry trapbase_cpu1;
60 extern struct tt_entry trapbase_cpu2;
61 extern struct tt_entry trapbase_cpu3;
62 
63 extern char cputypval[];
64 
65 /* entry.S */
66 extern unsigned long lvl14_save[4];
67 extern unsigned int real_irq_entry[];
68 extern unsigned int smp4d_ticker[];
69 extern unsigned int patchme_maybe_smp_msg[];
70 
71 extern void floppy_hardint(void);
72 
73 /* trampoline_32.S */
74 extern int __smp4m_processor_id(void);
75 extern int __smp4d_processor_id(void);
76 extern unsigned long sun4m_cpu_startup;
77 extern unsigned long sun4d_cpu_startup;
78 
79 #else /* CONFIG_SPARC32 */
80 #endif /* CONFIG_SPARC32 */
81 #endif /* !(__SPARC_KERNEL_H) */
82