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