xref: /openbmc/linux/arch/sparc/kernel/kernel.h (revision 2e74a74f)
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 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 struct linux_romvec;
31 void sparc32_start_kernel(struct linux_romvec *rp);
32 
33 /* cpu.c */
34 void cpu_probe(void);
35 
36 /* traps_32.c */
37 void handle_hw_divzero(struct pt_regs *regs, unsigned long pc,
38                        unsigned long npc, unsigned long psr);
39 /* irq_32.c */
40 extern struct irqaction static_irqaction[];
41 extern int static_irq_count;
42 extern spinlock_t irq_action_lock;
43 
44 void unexpected_irq(int irq, void *dev_id, struct pt_regs * regs);
45 void init_IRQ(void);
46 
47 /* sun4m_irq.c */
48 void sun4m_init_IRQ(void);
49 void sun4m_unmask_profile_irq(void);
50 void sun4m_clear_profile_irq(int cpu);
51 
52 /* sun4m_smp.c */
53 void sun4m_cpu_pre_starting(void *arg);
54 void sun4m_cpu_pre_online(void *arg);
55 void __init smp4m_boot_cpus(void);
56 int smp4m_boot_one_cpu(int i, struct task_struct *idle);
57 void __init smp4m_smp_done(void);
58 void smp4m_cross_call_irq(void);
59 void smp4m_percpu_timer_interrupt(struct pt_regs *regs);
60 
61 /* sun4d_irq.c */
62 extern spinlock_t sun4d_imsk_lock;
63 
64 void sun4d_init_IRQ(void);
65 int sun4d_request_irq(unsigned int irq,
66                       irq_handler_t handler,
67                       unsigned long irqflags,
68                       const char *devname, void *dev_id);
69 int show_sun4d_interrupts(struct seq_file *, void *);
70 void sun4d_distribute_irqs(void);
71 void sun4d_free_irq(unsigned int irq, void *dev_id);
72 
73 /* sun4d_smp.c */
74 void sun4d_cpu_pre_starting(void *arg);
75 void sun4d_cpu_pre_online(void *arg);
76 void __init smp4d_boot_cpus(void);
77 int smp4d_boot_one_cpu(int i, struct task_struct *idle);
78 void __init smp4d_smp_done(void);
79 void smp4d_cross_call_irq(void);
80 void smp4d_percpu_timer_interrupt(struct pt_regs *regs);
81 
82 /* leon_smp.c */
83 void leon_cpu_pre_starting(void *arg);
84 void leon_cpu_pre_online(void *arg);
85 void leonsmp_ipi_interrupt(void);
86 void leon_cross_call_irq(void);
87 
88 /* head_32.S */
89 extern unsigned int t_nmi[];
90 extern unsigned int linux_trap_ipi15_sun4d[];
91 extern unsigned int linux_trap_ipi15_sun4m[];
92 
93 extern struct tt_entry trapbase_cpu1;
94 extern struct tt_entry trapbase_cpu2;
95 extern struct tt_entry trapbase_cpu3;
96 
97 extern char cputypval[];
98 
99 /* entry.S */
100 extern unsigned long lvl14_save[4];
101 extern unsigned int real_irq_entry[];
102 extern unsigned int smp4d_ticker[];
103 extern unsigned int patchme_maybe_smp_msg[];
104 
105 void floppy_hardint(void);
106 
107 /* trampoline_32.S */
108 extern unsigned long sun4m_cpu_startup;
109 extern unsigned long sun4d_cpu_startup;
110 
111 /* process_32.c */
112 asmlinkage int sparc_do_fork(unsigned long clone_flags,
113                              unsigned long stack_start,
114                              struct pt_regs *regs,
115                              unsigned long stack_size);
116 
117 /* signal_32.c */
118 asmlinkage void do_sigreturn(struct pt_regs *regs);
119 asmlinkage void do_rt_sigreturn(struct pt_regs *regs);
120 void do_notify_resume(struct pt_regs *regs, unsigned long orig_i0,
121                       unsigned long thread_info_flags);
122 asmlinkage int do_sys_sigstack(struct sigstack __user *ssptr,
123                                struct sigstack __user *ossptr,
124                                unsigned long sp);
125 
126 /* ptrace_32.c */
127 asmlinkage int syscall_trace(struct pt_regs *regs, int syscall_exit_p);
128 
129 /* unaligned_32.c */
130 asmlinkage void kernel_unaligned_trap(struct pt_regs *regs, unsigned int insn);
131 asmlinkage void user_unaligned_trap(struct pt_regs *regs, unsigned int insn);
132 
133 /* windows.c */
134 void try_to_clear_window_buffer(struct pt_regs *regs, int who);
135 
136 /* auxio_32.c */
137 void __init auxio_probe(void);
138 void __init auxio_power_probe(void);
139 
140 /* pcic.c */
141 extern void __iomem *pcic_regs;
142 void pcic_nmi(unsigned int pend, struct pt_regs *regs);
143 
144 /* time_32.c */
145 void __init time_init(void);
146 
147 #else /* CONFIG_SPARC32 */
148 #endif /* CONFIG_SPARC32 */
149 #endif /* !(__SPARC_KERNEL_H) */
150