xref: /openbmc/linux/arch/sparc/kernel/kernel.h (revision 275876e2)
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_new_mmu_context_version_client(int irq, struct pt_regs *regs);
41 void __irq_entry smp_penguin_jailcell(int irq, struct pt_regs *regs);
42 void __irq_entry smp_receive_signal_client(int irq, struct pt_regs *regs);
43 
44 /* kgdb_64.c */
45 void __irq_entry smp_kgdb_capture_client(int irq, struct pt_regs *regs);
46 
47 /* pci.c */
48 int pci64_dma_supported(struct pci_dev *pdev, u64 device_mask);
49 
50 /* signal32.c */
51 void do_sigreturn32(struct pt_regs *regs);
52 asmlinkage void do_rt_sigreturn32(struct pt_regs *regs);
53 void do_signal32(struct pt_regs * regs);
54 asmlinkage int do_sys32_sigstack(u32 u_ssptr, u32 u_ossptr, unsigned long sp);
55 
56 /* compat_audit.c */
57 extern unsigned sparc32_dir_class[];
58 extern unsigned sparc32_chattr_class[];
59 extern unsigned sparc32_write_class[];
60 extern unsigned sparc32_read_class[];
61 extern unsigned sparc32_signal_class[];
62 int sparc32_classify_syscall(unsigned syscall);
63 #endif
64 
65 #ifdef CONFIG_SPARC32
66 /* setup_32.c */
67 struct linux_romvec;
68 void sparc32_start_kernel(struct linux_romvec *rp);
69 
70 /* cpu.c */
71 void cpu_probe(void);
72 
73 /* traps_32.c */
74 void handle_hw_divzero(struct pt_regs *regs, unsigned long pc,
75                        unsigned long npc, unsigned long psr);
76 /* irq_32.c */
77 extern struct irqaction static_irqaction[];
78 extern int static_irq_count;
79 extern spinlock_t irq_action_lock;
80 
81 void unexpected_irq(int irq, void *dev_id, struct pt_regs * regs);
82 void init_IRQ(void);
83 
84 /* sun4m_irq.c */
85 void sun4m_init_IRQ(void);
86 void sun4m_unmask_profile_irq(void);
87 void sun4m_clear_profile_irq(int cpu);
88 
89 /* sun4m_smp.c */
90 void sun4m_cpu_pre_starting(void *arg);
91 void sun4m_cpu_pre_online(void *arg);
92 void __init smp4m_boot_cpus(void);
93 int smp4m_boot_one_cpu(int i, struct task_struct *idle);
94 void __init smp4m_smp_done(void);
95 void smp4m_cross_call_irq(void);
96 void smp4m_percpu_timer_interrupt(struct pt_regs *regs);
97 
98 /* sun4d_irq.c */
99 extern spinlock_t sun4d_imsk_lock;
100 
101 void sun4d_init_IRQ(void);
102 int sun4d_request_irq(unsigned int irq,
103                       irq_handler_t handler,
104                       unsigned long irqflags,
105                       const char *devname, void *dev_id);
106 int show_sun4d_interrupts(struct seq_file *, void *);
107 void sun4d_distribute_irqs(void);
108 void sun4d_free_irq(unsigned int irq, void *dev_id);
109 
110 /* sun4d_smp.c */
111 void sun4d_cpu_pre_starting(void *arg);
112 void sun4d_cpu_pre_online(void *arg);
113 void __init smp4d_boot_cpus(void);
114 int smp4d_boot_one_cpu(int i, struct task_struct *idle);
115 void __init smp4d_smp_done(void);
116 void smp4d_cross_call_irq(void);
117 void smp4d_percpu_timer_interrupt(struct pt_regs *regs);
118 
119 /* leon_smp.c */
120 void leon_cpu_pre_starting(void *arg);
121 void leon_cpu_pre_online(void *arg);
122 void leonsmp_ipi_interrupt(void);
123 void leon_cross_call_irq(void);
124 
125 /* head_32.S */
126 extern unsigned int t_nmi[];
127 extern unsigned int linux_trap_ipi15_sun4d[];
128 extern unsigned int linux_trap_ipi15_sun4m[];
129 
130 extern struct tt_entry trapbase_cpu1;
131 extern struct tt_entry trapbase_cpu2;
132 extern struct tt_entry trapbase_cpu3;
133 
134 extern char cputypval[];
135 
136 /* entry.S */
137 extern unsigned long lvl14_save[4];
138 extern unsigned int real_irq_entry[];
139 extern unsigned int smp4d_ticker[];
140 extern unsigned int patchme_maybe_smp_msg[];
141 
142 void floppy_hardint(void);
143 
144 /* trampoline_32.S */
145 extern unsigned long sun4m_cpu_startup;
146 extern unsigned long sun4d_cpu_startup;
147 
148 /* process_32.c */
149 asmlinkage int sparc_do_fork(unsigned long clone_flags,
150                              unsigned long stack_start,
151                              struct pt_regs *regs,
152                              unsigned long stack_size);
153 
154 /* signal_32.c */
155 asmlinkage void do_sigreturn(struct pt_regs *regs);
156 asmlinkage void do_rt_sigreturn(struct pt_regs *regs);
157 void do_notify_resume(struct pt_regs *regs, unsigned long orig_i0,
158                       unsigned long thread_info_flags);
159 asmlinkage int do_sys_sigstack(struct sigstack __user *ssptr,
160                                struct sigstack __user *ossptr,
161                                unsigned long sp);
162 
163 /* ptrace_32.c */
164 asmlinkage int syscall_trace(struct pt_regs *regs, int syscall_exit_p);
165 
166 /* unaligned_32.c */
167 asmlinkage void kernel_unaligned_trap(struct pt_regs *regs, unsigned int insn);
168 asmlinkage void user_unaligned_trap(struct pt_regs *regs, unsigned int insn);
169 
170 /* windows.c */
171 void try_to_clear_window_buffer(struct pt_regs *regs, int who);
172 
173 /* auxio_32.c */
174 void __init auxio_probe(void);
175 void __init auxio_power_probe(void);
176 
177 /* pcic.c */
178 extern void __iomem *pcic_regs;
179 void pcic_nmi(unsigned int pend, struct pt_regs *regs);
180 
181 /* time_32.c */
182 void __init time_init(void);
183 
184 #else /* CONFIG_SPARC32 */
185 #endif /* CONFIG_SPARC32 */
186 #endif /* !(__SPARC_KERNEL_H) */
187