arch/sparc/kernel/kernel.h

   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) */