xref: /openbmc/linux/arch/sparc/kernel/kernel.h (revision 6aa7de05)
1 #ifndef __SPARC_KERNEL_H
2 #define __SPARC_KERNEL_H
3 
4 #include <linux/interrupt.h>
5 #include <linux/ftrace.h>
6 
7 #include <asm/traps.h>
8 #include <asm/head.h>
9 #include <asm/io.h>
10 
11 /* cpu.c */
12 extern const char *sparc_pmu_type;
13 extern unsigned int fsr_storage;
14 extern int ncpus_probed;
15 
16 #ifdef CONFIG_SPARC64
17 /* setup_64.c */
18 struct seq_file;
19 void cpucap_info(struct seq_file *);
20 
21 static inline unsigned long kimage_addr_to_ra(const void *p)
22 {
23 	unsigned long val = (unsigned long) p;
24 
25 	return kern_base + (val - KERNBASE);
26 }
27 
28 /* sys_sparc_64.c */
29 asmlinkage long sys_kern_features(void);
30 
31 /* unaligned_64.c */
32 asmlinkage void kernel_unaligned_trap(struct pt_regs *regs, unsigned int insn);
33 int handle_popc(u32 insn, struct pt_regs *regs);
34 void handle_lddfmna(struct pt_regs *regs, unsigned long sfar, unsigned long sfsr);
35 void handle_stdfmna(struct pt_regs *regs, unsigned long sfar, unsigned long sfsr);
36 
37 /* smp_64.c */
38 void __irq_entry smp_call_function_client(int irq, struct pt_regs *regs);
39 void __irq_entry smp_call_function_single_client(int irq, struct pt_regs *regs);
40 void __irq_entry smp_penguin_jailcell(int irq, struct pt_regs *regs);
41 void __irq_entry smp_receive_signal_client(int irq, struct pt_regs *regs);
42 
43 /* kgdb_64.c */
44 void __irq_entry smp_kgdb_capture_client(int irq, struct pt_regs *regs);
45 
46 /* pci.c */
47 int pci64_dma_supported(struct pci_dev *pdev, u64 device_mask);
48 
49 /* signal32.c */
50 void do_sigreturn32(struct pt_regs *regs);
51 asmlinkage void do_rt_sigreturn32(struct pt_regs *regs);
52 void do_signal32(struct pt_regs * regs);
53 asmlinkage int do_sys32_sigstack(u32 u_ssptr, u32 u_ossptr, unsigned long sp);
54 
55 /* time_64.c */
56 void __init time_init_early(void);
57 
58 /* compat_audit.c */
59 extern unsigned int sparc32_dir_class[];
60 extern unsigned int sparc32_chattr_class[];
61 extern unsigned int sparc32_write_class[];
62 extern unsigned int sparc32_read_class[];
63 extern unsigned int sparc32_signal_class[];
64 int sparc32_classify_syscall(unsigned int syscall);
65 #endif
66 
67 #ifdef CONFIG_SPARC32
68 /* setup_32.c */
69 struct linux_romvec;
70 void sparc32_start_kernel(struct linux_romvec *rp);
71 
72 /* cpu.c */
73 void cpu_probe(void);
74 
75 /* traps_32.c */
76 void handle_hw_divzero(struct pt_regs *regs, unsigned long pc,
77                        unsigned long npc, unsigned long psr);
78 /* irq_32.c */
79 extern struct irqaction static_irqaction[];
80 extern int static_irq_count;
81 extern spinlock_t irq_action_lock;
82 
83 void unexpected_irq(int irq, void *dev_id, struct pt_regs * regs);
84 void init_IRQ(void);
85 
86 /* sun4m_irq.c */
87 void sun4m_init_IRQ(void);
88 void sun4m_unmask_profile_irq(void);
89 void sun4m_clear_profile_irq(int cpu);
90 
91 /* sun4m_smp.c */
92 void sun4m_cpu_pre_starting(void *arg);
93 void sun4m_cpu_pre_online(void *arg);
94 void __init smp4m_boot_cpus(void);
95 int smp4m_boot_one_cpu(int i, struct task_struct *idle);
96 void __init smp4m_smp_done(void);
97 void smp4m_cross_call_irq(void);
98 void smp4m_percpu_timer_interrupt(struct pt_regs *regs);
99 
100 /* sun4d_irq.c */
101 extern spinlock_t sun4d_imsk_lock;
102 
103 void sun4d_init_IRQ(void);
104 int sun4d_request_irq(unsigned int irq,
105                       irq_handler_t handler,
106                       unsigned long irqflags,
107                       const char *devname, void *dev_id);
108 int show_sun4d_interrupts(struct seq_file *, void *);
109 void sun4d_distribute_irqs(void);
110 void sun4d_free_irq(unsigned int irq, void *dev_id);
111 
112 /* sun4d_smp.c */
113 void sun4d_cpu_pre_starting(void *arg);
114 void sun4d_cpu_pre_online(void *arg);
115 void __init smp4d_boot_cpus(void);
116 int smp4d_boot_one_cpu(int i, struct task_struct *idle);
117 void __init smp4d_smp_done(void);
118 void smp4d_cross_call_irq(void);
119 void smp4d_percpu_timer_interrupt(struct pt_regs *regs);
120 
121 /* leon_smp.c */
122 void leon_cpu_pre_starting(void *arg);
123 void leon_cpu_pre_online(void *arg);
124 void leonsmp_ipi_interrupt(void);
125 void leon_cross_call_irq(void);
126 
127 /* head_32.S */
128 extern unsigned int t_nmi[];
129 extern unsigned int linux_trap_ipi15_sun4d[];
130 extern unsigned int linux_trap_ipi15_sun4m[];
131 
132 extern struct tt_entry trapbase;
133 extern struct tt_entry trapbase_cpu1;
134 extern struct tt_entry trapbase_cpu2;
135 extern struct tt_entry trapbase_cpu3;
136 
137 extern char cputypval[];
138 
139 /* entry.S */
140 extern unsigned long lvl14_save[4];
141 extern unsigned int real_irq_entry[];
142 extern unsigned int smp4d_ticker[];
143 extern unsigned int patchme_maybe_smp_msg[];
144 
145 void floppy_hardint(void);
146 
147 /* trampoline_32.S */
148 extern unsigned long sun4m_cpu_startup;
149 extern unsigned long sun4d_cpu_startup;
150 
151 /* process_32.c */
152 asmlinkage int sparc_do_fork(unsigned long clone_flags,
153                              unsigned long stack_start,
154                              struct pt_regs *regs,
155                              unsigned long stack_size);
156 
157 /* signal_32.c */
158 asmlinkage void do_sigreturn(struct pt_regs *regs);
159 asmlinkage void do_rt_sigreturn(struct pt_regs *regs);
160 void do_notify_resume(struct pt_regs *regs, unsigned long orig_i0,
161                       unsigned long thread_info_flags);
162 asmlinkage int do_sys_sigstack(struct sigstack __user *ssptr,
163                                struct sigstack __user *ossptr,
164                                unsigned long sp);
165 
166 /* ptrace_32.c */
167 asmlinkage int syscall_trace(struct pt_regs *regs, int syscall_exit_p);
168 
169 /* unaligned_32.c */
170 asmlinkage void kernel_unaligned_trap(struct pt_regs *regs, unsigned int insn);
171 asmlinkage void user_unaligned_trap(struct pt_regs *regs, unsigned int insn);
172 
173 /* windows.c */
174 void try_to_clear_window_buffer(struct pt_regs *regs, int who);
175 
176 /* auxio_32.c */
177 void __init auxio_probe(void);
178 void __init auxio_power_probe(void);
179 
180 /* pcic.c */
181 extern void __iomem *pcic_regs;
182 void pcic_nmi(unsigned int pend, struct pt_regs *regs);
183 
184 /* time_32.c */
185 void __init time_init(void);
186 
187 #else /* CONFIG_SPARC32 */
188 #endif /* CONFIG_SPARC32 */
189 #endif /* !(__SPARC_KERNEL_H) */
190