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 | /* smp_64.c */ |
44 | void __irq_entry smp_call_function_client(int irq, struct pt_regs *regs); |
45 | void __irq_entry smp_call_function_single_client(int irq, struct pt_regs *regs); |
46 | void __irq_entry smp_penguin_jailcell(int irq, struct pt_regs *regs); |
47 | void __irq_entry smp_receive_signal_client(int irq, struct pt_regs *regs); |
48 | |
49 | /* kgdb_64.c */ |
50 | void __irq_entry smp_kgdb_capture_client(int irq, struct pt_regs *regs); |
51 | |
52 | /* pci.c */ |
53 | #ifdef CONFIG_PCI |
54 | int ali_sound_dma_hack(struct device *dev, u64 device_mask); |
55 | #else |
56 | #define ali_sound_dma_hack(dev, mask) (0) |
57 | #endif |
58 | |
59 | /* signal32.c */ |
60 | void do_sigreturn32(struct pt_regs *regs); |
61 | asmlinkage void do_rt_sigreturn32(struct pt_regs *regs); |
62 | void do_signal32(struct pt_regs * regs); |
63 | asmlinkage int do_sys32_sigstack(u32 u_ssptr, u32 u_ossptr, unsigned long sp); |
64 | |
65 | /* time_64.c */ |
66 | void __init time_init_early(void); |
67 | |
68 | /* compat_audit.c */ |
69 | extern unsigned int sparc32_dir_class[]; |
70 | extern unsigned int sparc32_chattr_class[]; |
71 | extern unsigned int sparc32_write_class[]; |
72 | extern unsigned int sparc32_read_class[]; |
73 | extern unsigned int sparc32_signal_class[]; |
74 | int sparc32_classify_syscall(unsigned int syscall); |
75 | #endif |
76 | |
77 | #ifdef CONFIG_SPARC32 |
78 | /* setup_32.c */ |
79 | struct linux_romvec; |
80 | void sparc32_start_kernel(struct linux_romvec *rp); |
81 | |
82 | /* cpu.c */ |
83 | void cpu_probe(void); |
84 | |
85 | /* traps_32.c */ |
86 | void handle_hw_divzero(struct pt_regs *regs, unsigned long pc, |
87 | unsigned long npc, unsigned long psr); |
88 | /* irq_32.c */ |
89 | extern struct irqaction static_irqaction[]; |
90 | extern int static_irq_count; |
91 | extern spinlock_t irq_action_lock; |
92 | |
93 | void unexpected_irq(int irq, void *dev_id, struct pt_regs * regs); |
94 | |
95 | /* sun4m_irq.c */ |
96 | void sun4m_init_IRQ(void); |
97 | void sun4m_unmask_profile_irq(void); |
98 | void sun4m_clear_profile_irq(int cpu); |
99 | |
100 | /* sun4m_smp.c */ |
101 | void sun4m_cpu_pre_starting(void *arg); |
102 | void sun4m_cpu_pre_online(void *arg); |
103 | void __init smp4m_boot_cpus(void); |
104 | int smp4m_boot_one_cpu(int i, struct task_struct *idle); |
105 | void __init smp4m_smp_done(void); |
106 | void smp4m_cross_call_irq(void); |
107 | void smp4m_percpu_timer_interrupt(struct pt_regs *regs); |
108 | |
109 | /* sun4d_irq.c */ |
110 | extern spinlock_t sun4d_imsk_lock; |
111 | |
112 | void sun4d_init_IRQ(void); |
113 | int sun4d_request_irq(unsigned int irq, |
114 | irq_handler_t handler, |
115 | unsigned long irqflags, |
116 | const char *devname, void *dev_id); |
117 | int show_sun4d_interrupts(struct seq_file *, void *); |
118 | void sun4d_distribute_irqs(void); |
119 | void sun4d_free_irq(unsigned int irq, void *dev_id); |
120 | |
121 | /* sun4d_smp.c */ |
122 | void sun4d_cpu_pre_starting(void *arg); |
123 | void sun4d_cpu_pre_online(void *arg); |
124 | void __init smp4d_boot_cpus(void); |
125 | int smp4d_boot_one_cpu(int i, struct task_struct *idle); |
126 | void __init smp4d_smp_done(void); |
127 | void smp4d_cross_call_irq(void); |
128 | void smp4d_percpu_timer_interrupt(struct pt_regs *regs); |
129 | |
130 | /* leon_smp.c */ |
131 | void leon_cpu_pre_starting(void *arg); |
132 | void leon_cpu_pre_online(void *arg); |
133 | void leonsmp_ipi_interrupt(void); |
134 | void leon_cross_call_irq(void); |
135 | |
136 | /* head_32.S */ |
137 | extern unsigned int t_nmi[]; |
138 | extern unsigned int linux_trap_ipi15_sun4d[]; |
139 | extern unsigned int linux_trap_ipi15_sun4m[]; |
140 | |
141 | extern struct tt_entry trapbase[]; |
142 | extern struct tt_entry trapbase_cpu1[]; |
143 | extern struct tt_entry trapbase_cpu2[]; |
144 | extern struct tt_entry trapbase_cpu3[]; |
145 | |
146 | extern char cputypval[]; |
147 | |
148 | /* entry.S */ |
149 | extern unsigned long lvl14_save[4]; |
150 | extern unsigned int real_irq_entry[]; |
151 | extern unsigned int smp4d_ticker[]; |
152 | extern unsigned int patchme_maybe_smp_msg[]; |
153 | |
154 | void floppy_hardint(void); |
155 | |
156 | /* trampoline_32.S */ |
157 | extern unsigned long sun4m_cpu_startup; |
158 | extern unsigned long sun4d_cpu_startup; |
159 | |
160 | /* signal_32.c */ |
161 | asmlinkage void do_sigreturn(struct pt_regs *regs); |
162 | asmlinkage void do_rt_sigreturn(struct pt_regs *regs); |
163 | void do_notify_resume(struct pt_regs *regs, unsigned long orig_i0, |
164 | unsigned long thread_info_flags); |
165 | asmlinkage int do_sys_sigstack(struct sigstack __user *ssptr, |
166 | struct sigstack __user *ossptr, |
167 | unsigned long sp); |
168 | |
169 | /* ptrace_32.c */ |
170 | asmlinkage int syscall_trace(struct pt_regs *regs, int syscall_exit_p); |
171 | |
172 | /* unaligned_32.c */ |
173 | asmlinkage void kernel_unaligned_trap(struct pt_regs *regs, unsigned int insn); |
174 | asmlinkage void user_unaligned_trap(struct pt_regs *regs, unsigned int insn); |
175 | |
176 | /* windows.c */ |
177 | void try_to_clear_window_buffer(struct pt_regs *regs, int who); |
178 | |
179 | /* auxio_32.c */ |
180 | void __init auxio_probe(void); |
181 | void __init auxio_power_probe(void); |
182 | |
183 | /* pcic.c */ |
184 | extern void __iomem *pcic_regs; |
185 | void pcic_nmi(unsigned int pend, struct pt_regs *regs); |
186 | |
187 | /* time_32.c */ |
188 | void __init time_init(void); |
189 | |
190 | #else /* CONFIG_SPARC32 */ |
191 | #endif /* CONFIG_SPARC32 */ |
192 | #endif /* !(__SPARC_KERNEL_H) */ |
193 | |