kernel.h 5.7 KB

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