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1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef __SPARC_KERNEL_H
3#define __SPARC_KERNEL_H
4
5#include <linux/interrupt.h>
6#include <linux/ftrace.h>
7
8#include <asm/traps.h>
9#include <asm/head.h>
10#include <asm/io.h>
11
12/* cpu.c */
13extern const char *sparc_pmu_type;
14extern unsigned int fsr_storage;
15extern int ncpus_probed;
16
17/* process{_32,_64}.c */
18asmlinkage long sparc_clone(struct pt_regs *regs);
19asmlinkage long sparc_fork(struct pt_regs *regs);
20asmlinkage long sparc_vfork(struct pt_regs *regs);
21asmlinkage long sparc_clone3(struct pt_regs *regs);
22
23#ifdef CONFIG_SPARC64
24/* setup_64.c */
25struct seq_file;
26void cpucap_info(struct seq_file *);
27
28static inline unsigned long kimage_addr_to_ra(const void *p)
29{
30 unsigned long val = (unsigned long) p;
31
32 return kern_base + (val - KERNBASE);
33}
34
35/* sys_sparc_64.c */
36asmlinkage long sys_kern_features(void);
37
38/* unaligned_64.c */
39asmlinkage void kernel_unaligned_trap(struct pt_regs *regs, unsigned int insn);
40int handle_popc(u32 insn, struct pt_regs *regs);
41void handle_lddfmna(struct pt_regs *regs, unsigned long sfar, unsigned long sfsr);
42void handle_stdfmna(struct pt_regs *regs, unsigned long sfar, unsigned long sfsr);
43
44/* uprobes.c */
45asmlinkage void uprobe_trap(struct pt_regs *regs,
46 unsigned long trap_level);
47
48/* smp_64.c */
49void __irq_entry smp_call_function_client(int irq, struct pt_regs *regs);
50void __irq_entry smp_call_function_single_client(int irq, struct pt_regs *regs);
51void __irq_entry smp_penguin_jailcell(int irq, struct pt_regs *regs);
52void __irq_entry smp_receive_signal_client(int irq, struct pt_regs *regs);
53
54/* kgdb_64.c */
55void __irq_entry smp_kgdb_capture_client(int irq, struct pt_regs *regs);
56
57/* pci.c */
58#ifdef CONFIG_PCI
59int ali_sound_dma_hack(struct device *dev, u64 device_mask);
60#else
61#define ali_sound_dma_hack(dev, mask) (0)
62#endif
63
64/* signal32.c */
65void do_sigreturn32(struct pt_regs *regs);
66asmlinkage void do_rt_sigreturn32(struct pt_regs *regs);
67void do_signal32(struct pt_regs * regs);
68asmlinkage int do_sys32_sigstack(u32 u_ssptr, u32 u_ossptr, unsigned long sp);
69
70/* time_64.c */
71void __init time_init_early(void);
72
73/* compat_audit.c */
74extern unsigned int sparc32_dir_class[];
75extern unsigned int sparc32_chattr_class[];
76extern unsigned int sparc32_write_class[];
77extern unsigned int sparc32_read_class[];
78extern unsigned int sparc32_signal_class[];
79int sparc32_classify_syscall(unsigned int syscall);
80#endif
81
82#ifdef CONFIG_SPARC32
83/* setup_32.c */
84struct linux_romvec;
85void sparc32_start_kernel(struct linux_romvec *rp);
86
87/* cpu.c */
88void cpu_probe(void);
89
90/* traps_32.c */
91void handle_hw_divzero(struct pt_regs *regs, unsigned long pc,
92 unsigned long npc, unsigned long psr);
93/* irq_32.c */
94extern struct irqaction static_irqaction[];
95extern int static_irq_count;
96extern spinlock_t irq_action_lock;
97
98void unexpected_irq(int irq, void *dev_id, struct pt_regs * regs);
99
100/* sun4m_irq.c */
101void sun4m_init_IRQ(void);
102void sun4m_unmask_profile_irq(void);
103void sun4m_clear_profile_irq(int cpu);
104
105/* sun4m_smp.c */
106void sun4m_cpu_pre_starting(void *arg);
107void sun4m_cpu_pre_online(void *arg);
108void __init smp4m_boot_cpus(void);
109int smp4m_boot_one_cpu(int i, struct task_struct *idle);
110void __init smp4m_smp_done(void);
111void smp4m_cross_call_irq(void);
112void smp4m_percpu_timer_interrupt(struct pt_regs *regs);
113
114/* sun4d_irq.c */
115extern spinlock_t sun4d_imsk_lock;
116
117void sun4d_init_IRQ(void);
118int sun4d_request_irq(unsigned int irq,
119 irq_handler_t handler,
120 unsigned long irqflags,
121 const char *devname, void *dev_id);
122int show_sun4d_interrupts(struct seq_file *, void *);
123void sun4d_distribute_irqs(void);
124void sun4d_free_irq(unsigned int irq, void *dev_id);
125
126/* sun4d_smp.c */
127void sun4d_cpu_pre_starting(void *arg);
128void sun4d_cpu_pre_online(void *arg);
129void __init smp4d_boot_cpus(void);
130int smp4d_boot_one_cpu(int i, struct task_struct *idle);
131void __init smp4d_smp_done(void);
132void smp4d_cross_call_irq(void);
133void smp4d_percpu_timer_interrupt(struct pt_regs *regs);
134
135/* leon_smp.c */
136void leon_cpu_pre_starting(void *arg);
137void leon_cpu_pre_online(void *arg);
138void leonsmp_ipi_interrupt(void);
139void leon_cross_call_irq(void);
140
141/* head_32.S */
142extern unsigned int t_nmi[];
143extern unsigned int linux_trap_ipi15_sun4d[];
144extern unsigned int linux_trap_ipi15_sun4m[];
145
146extern struct tt_entry trapbase[];
147extern struct tt_entry trapbase_cpu1[];
148extern struct tt_entry trapbase_cpu2[];
149extern struct tt_entry trapbase_cpu3[];
150
151extern char cputypval[];
152
153/* entry.S */
154extern unsigned long lvl14_save[4];
155extern unsigned int real_irq_entry[];
156extern unsigned int smp4d_ticker[];
157extern unsigned int patchme_maybe_smp_msg[];
158
159void floppy_hardint(void);
160
161/* trampoline_32.S */
162extern unsigned long sun4m_cpu_startup;
163extern unsigned long sun4d_cpu_startup;
164
165/* signal_32.c */
166asmlinkage void do_sigreturn(struct pt_regs *regs);
167asmlinkage void do_rt_sigreturn(struct pt_regs *regs);
168void do_notify_resume(struct pt_regs *regs, unsigned long orig_i0,
169 unsigned long thread_info_flags);
170asmlinkage int do_sys_sigstack(struct sigstack __user *ssptr,
171 struct sigstack __user *ossptr,
172 unsigned long sp);
173
174/* ptrace_32.c */
175asmlinkage int syscall_trace(struct pt_regs *regs, int syscall_exit_p);
176
177/* unaligned_32.c */
178asmlinkage void kernel_unaligned_trap(struct pt_regs *regs, unsigned int insn);
179asmlinkage void user_unaligned_trap(struct pt_regs *regs, unsigned int insn);
180
181/* windows.c */
182void try_to_clear_window_buffer(struct pt_regs *regs, int who);
183
184/* auxio_32.c */
185void __init auxio_probe(void);
186void __init auxio_power_probe(void);
187
188/* pcic.c */
189extern void __iomem *pcic_regs;
190void pcic_nmi(unsigned int pend, struct pt_regs *regs);
191
192/* time_32.c */
193void __init time_init(void);
194
195#else /* CONFIG_SPARC32 */
196#endif /* CONFIG_SPARC32 */
197#endif /* !(__SPARC_KERNEL_H) */