1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef __SPARC_KERNEL_H
3 #define __SPARC_KERNEL_H
5 #include <linux/interrupt.h>
6 #include <linux/ftrace.h>
13 extern const char *sparc_pmu_type
;
14 extern unsigned int fsr_storage
;
15 extern int ncpus_probed
;
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
);
25 void cpucap_info(struct seq_file
*);
27 static inline unsigned long kimage_addr_to_ra(const void *p
)
29 unsigned long val
= (unsigned long) p
;
31 return kern_base
+ (val
- KERNBASE
);
35 asmlinkage
long sys_kern_features(void);
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
);
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
);
50 void __irq_entry
smp_kgdb_capture_client(int irq
, struct pt_regs
*regs
);
54 int ali_sound_dma_hack(struct device
*dev
, u64 device_mask
);
56 #define ali_sound_dma_hack(dev, mask) (0)
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
);
66 void __init
time_init_early(void);
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
);
80 void sparc32_start_kernel(struct linux_romvec
*rp
);
86 void handle_hw_divzero(struct pt_regs
*regs
, unsigned long pc
,
87 unsigned long npc
, unsigned long psr
);
89 extern struct irqaction static_irqaction
[];
90 extern int static_irq_count
;
91 extern spinlock_t irq_action_lock
;
93 void unexpected_irq(int irq
, void *dev_id
, struct pt_regs
* regs
);
97 void sun4m_init_IRQ(void);
98 void sun4m_unmask_profile_irq(void);
99 void sun4m_clear_profile_irq(int cpu
);
102 void sun4m_cpu_pre_starting(void *arg
);
103 void sun4m_cpu_pre_online(void *arg
);
104 void __init
smp4m_boot_cpus(void);
105 int smp4m_boot_one_cpu(int i
, struct task_struct
*idle
);
106 void __init
smp4m_smp_done(void);
107 void smp4m_cross_call_irq(void);
108 void smp4m_percpu_timer_interrupt(struct pt_regs
*regs
);
111 extern spinlock_t sun4d_imsk_lock
;
113 void sun4d_init_IRQ(void);
114 int sun4d_request_irq(unsigned int irq
,
115 irq_handler_t handler
,
116 unsigned long irqflags
,
117 const char *devname
, void *dev_id
);
118 int show_sun4d_interrupts(struct seq_file
*, void *);
119 void sun4d_distribute_irqs(void);
120 void sun4d_free_irq(unsigned int irq
, void *dev_id
);
123 void sun4d_cpu_pre_starting(void *arg
);
124 void sun4d_cpu_pre_online(void *arg
);
125 void __init
smp4d_boot_cpus(void);
126 int smp4d_boot_one_cpu(int i
, struct task_struct
*idle
);
127 void __init
smp4d_smp_done(void);
128 void smp4d_cross_call_irq(void);
129 void smp4d_percpu_timer_interrupt(struct pt_regs
*regs
);
132 void leon_cpu_pre_starting(void *arg
);
133 void leon_cpu_pre_online(void *arg
);
134 void leonsmp_ipi_interrupt(void);
135 void leon_cross_call_irq(void);
138 extern unsigned int t_nmi
[];
139 extern unsigned int linux_trap_ipi15_sun4d
[];
140 extern unsigned int linux_trap_ipi15_sun4m
[];
142 extern struct tt_entry trapbase
;
143 extern struct tt_entry trapbase_cpu1
;
144 extern struct tt_entry trapbase_cpu2
;
145 extern struct tt_entry trapbase_cpu3
;
147 extern char cputypval
[];
150 extern unsigned long lvl14_save
[4];
151 extern unsigned int real_irq_entry
[];
152 extern unsigned int smp4d_ticker
[];
153 extern unsigned int patchme_maybe_smp_msg
[];
155 void floppy_hardint(void);
157 /* trampoline_32.S */
158 extern unsigned long sun4m_cpu_startup
;
159 extern unsigned long sun4d_cpu_startup
;
162 asmlinkage
void do_sigreturn(struct pt_regs
*regs
);
163 asmlinkage
void do_rt_sigreturn(struct pt_regs
*regs
);
164 void do_notify_resume(struct pt_regs
*regs
, unsigned long orig_i0
,
165 unsigned long thread_info_flags
);
166 asmlinkage
int do_sys_sigstack(struct sigstack __user
*ssptr
,
167 struct sigstack __user
*ossptr
,
171 asmlinkage
int syscall_trace(struct pt_regs
*regs
, int syscall_exit_p
);
174 asmlinkage
void kernel_unaligned_trap(struct pt_regs
*regs
, unsigned int insn
);
175 asmlinkage
void user_unaligned_trap(struct pt_regs
*regs
, unsigned int insn
);
178 void try_to_clear_window_buffer(struct pt_regs
*regs
, int who
);
181 void __init
auxio_probe(void);
182 void __init
auxio_power_probe(void);
185 extern void __iomem
*pcic_regs
;
186 void pcic_nmi(unsigned int pend
, struct pt_regs
*regs
);
189 void __init
time_init(void);
191 #else /* CONFIG_SPARC32 */
192 #endif /* CONFIG_SPARC32 */
193 #endif /* !(__SPARC_KERNEL_H) */