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