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Linux/arch/sparc/kernel/kernel.h

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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 */
 13 extern const char *sparc_pmu_type;
 14 extern unsigned int fsr_storage;
 15 extern int ncpus_probed;
 16 
 17 #ifdef CONFIG_SPARC64
 18 /* setup_64.c */
 19 struct seq_file;
 20 void cpucap_info(struct seq_file *);
 21 
 22 static inline unsigned long kimage_addr_to_ra(const void *p)
 23 {
 24         unsigned long val = (unsigned long) p;
 25 
 26         return kern_base + (val - KERNBASE);
 27 }
 28 
 29 /* sys_sparc_64.c */
 30 asmlinkage long sys_kern_features(void);
 31 
 32 /* unaligned_64.c */
 33 asmlinkage void kernel_unaligned_trap(struct pt_regs *regs, unsigned int insn);
 34 int handle_popc(u32 insn, struct pt_regs *regs);
 35 void handle_lddfmna(struct pt_regs *regs, unsigned long sfar, unsigned long sfsr);
 36 void handle_stdfmna(struct pt_regs *regs, unsigned long sfar, unsigned long sfsr);
 37 
 38 /* smp_64.c */
 39 void __irq_entry smp_call_function_client(int irq, struct pt_regs *regs);
 40 void __irq_entry smp_call_function_single_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 /* time_64.c */
 57 void __init time_init_early(void);
 58 
 59 /* compat_audit.c */
 60 extern unsigned int sparc32_dir_class[];
 61 extern unsigned int sparc32_chattr_class[];
 62 extern unsigned int sparc32_write_class[];
 63 extern unsigned int sparc32_read_class[];
 64 extern unsigned int sparc32_signal_class[];
 65 int sparc32_classify_syscall(unsigned int syscall);
 66 #endif
 67 
 68 #ifdef CONFIG_SPARC32
 69 /* setup_32.c */
 70 struct linux_romvec;
 71 void sparc32_start_kernel(struct linux_romvec *rp);
 72 
 73 /* cpu.c */
 74 void cpu_probe(void);
 75 
 76 /* traps_32.c */
 77 void handle_hw_divzero(struct pt_regs *regs, unsigned long pc,
 78                        unsigned long npc, unsigned long psr);
 79 /* irq_32.c */
 80 extern struct irqaction static_irqaction[];
 81 extern int static_irq_count;
 82 extern spinlock_t irq_action_lock;
 83 
 84 void unexpected_irq(int irq, void *dev_id, struct pt_regs * regs);
 85 void init_IRQ(void);
 86 
 87 /* sun4m_irq.c */
 88 void sun4m_init_IRQ(void);
 89 void sun4m_unmask_profile_irq(void);
 90 void sun4m_clear_profile_irq(int cpu);
 91 
 92 /* sun4m_smp.c */
 93 void sun4m_cpu_pre_starting(void *arg);
 94 void sun4m_cpu_pre_online(void *arg);
 95 void __init smp4m_boot_cpus(void);
 96 int smp4m_boot_one_cpu(int i, struct task_struct *idle);
 97 void __init smp4m_smp_done(void);
 98 void smp4m_cross_call_irq(void);
 99 void smp4m_percpu_timer_interrupt(struct pt_regs *regs);
100 
101 /* sun4d_irq.c */
102 extern spinlock_t sun4d_imsk_lock;
103 
104 void sun4d_init_IRQ(void);
105 int sun4d_request_irq(unsigned int irq,
106                       irq_handler_t handler,
107                       unsigned long irqflags,
108                       const char *devname, void *dev_id);
109 int show_sun4d_interrupts(struct seq_file *, void *);
110 void sun4d_distribute_irqs(void);
111 void sun4d_free_irq(unsigned int irq, void *dev_id);
112 
113 /* sun4d_smp.c */
114 void sun4d_cpu_pre_starting(void *arg);
115 void sun4d_cpu_pre_online(void *arg);
116 void __init smp4d_boot_cpus(void);
117 int smp4d_boot_one_cpu(int i, struct task_struct *idle);
118 void __init smp4d_smp_done(void);
119 void smp4d_cross_call_irq(void);
120 void smp4d_percpu_timer_interrupt(struct pt_regs *regs);
121 
122 /* leon_smp.c */
123 void leon_cpu_pre_starting(void *arg);
124 void leon_cpu_pre_online(void *arg);
125 void leonsmp_ipi_interrupt(void);
126 void leon_cross_call_irq(void);
127 
128 /* head_32.S */
129 extern unsigned int t_nmi[];
130 extern unsigned int linux_trap_ipi15_sun4d[];
131 extern unsigned int linux_trap_ipi15_sun4m[];
132 
133 extern struct tt_entry trapbase;
134 extern struct tt_entry trapbase_cpu1;
135 extern struct tt_entry trapbase_cpu2;
136 extern struct tt_entry trapbase_cpu3;
137 
138 extern char cputypval[];
139 
140 /* entry.S */
141 extern unsigned long lvl14_save[4];
142 extern unsigned int real_irq_entry[];
143 extern unsigned int smp4d_ticker[];
144 extern unsigned int patchme_maybe_smp_msg[];
145 
146 void floppy_hardint(void);
147 
148 /* trampoline_32.S */
149 extern unsigned long sun4m_cpu_startup;
150 extern unsigned long sun4d_cpu_startup;
151 
152 /* process_32.c */
153 asmlinkage int sparc_do_fork(unsigned long clone_flags,
154                              unsigned long stack_start,
155                              struct pt_regs *regs,
156                              unsigned long stack_size);
157 
158 /* signal_32.c */
159 asmlinkage void do_sigreturn(struct pt_regs *regs);
160 asmlinkage void do_rt_sigreturn(struct pt_regs *regs);
161 void do_notify_resume(struct pt_regs *regs, unsigned long orig_i0,
162                       unsigned long thread_info_flags);
163 asmlinkage int do_sys_sigstack(struct sigstack __user *ssptr,
164                                struct sigstack __user *ossptr,
165                                unsigned long sp);
166 
167 /* ptrace_32.c */
168 asmlinkage int syscall_trace(struct pt_regs *regs, int syscall_exit_p);
169 
170 /* unaligned_32.c */
171 asmlinkage void kernel_unaligned_trap(struct pt_regs *regs, unsigned int insn);
172 asmlinkage void user_unaligned_trap(struct pt_regs *regs, unsigned int insn);
173 
174 /* windows.c */
175 void try_to_clear_window_buffer(struct pt_regs *regs, int who);
176 
177 /* auxio_32.c */
178 void __init auxio_probe(void);
179 void __init auxio_power_probe(void);
180 
181 /* pcic.c */
182 extern void __iomem *pcic_regs;
183 void pcic_nmi(unsigned int pend, struct pt_regs *regs);
184 
185 /* time_32.c */
186 void __init time_init(void);
187 
188 #else /* CONFIG_SPARC32 */
189 #endif /* CONFIG_SPARC32 */
190 #endif /* !(__SPARC_KERNEL_H) */
191 

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