LXR linux/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 */
  13extern const char *sparc_pmu_type;
  14extern unsigned int fsr_storage;
  15extern int ncpus_probed;
  16
  17/* process{_32,_64}.c */
  18asmlinkage long sparc_clone(struct pt_regs *regs);
  19asmlinkage long sparc_fork(struct pt_regs *regs);
  20asmlinkage long sparc_vfork(struct pt_regs *regs);
  21
  22#ifdef CONFIG_SPARC64
  23/* setup_64.c */
  24struct seq_file;
  25void cpucap_info(struct seq_file *);
  26
  27static 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 */
  35asmlinkage long sys_kern_features(void);
  36
  37/* unaligned_64.c */
  38asmlinkage void kernel_unaligned_trap(struct pt_regs *regs, unsigned int insn);
  39int handle_popc(u32 insn, struct pt_regs *regs);
  40void handle_lddfmna(struct pt_regs *regs, unsigned long sfar, unsigned long sfsr);
  41void handle_stdfmna(struct pt_regs *regs, unsigned long sfar, unsigned long sfsr);
  42
  43/* smp_64.c */
  44void __irq_entry smp_call_function_client(int irq, struct pt_regs *regs);
  45void __irq_entry smp_call_function_single_client(int irq, struct pt_regs *regs);
  46void __irq_entry smp_penguin_jailcell(int irq, struct pt_regs *regs);
  47void __irq_entry smp_receive_signal_client(int irq, struct pt_regs *regs);
  48
  49/* kgdb_64.c */
  50void __irq_entry smp_kgdb_capture_client(int irq, struct pt_regs *regs);
  51
  52/* pci.c */
  53#ifdef CONFIG_PCI
  54int ali_sound_dma_hack(struct device *dev, u64 device_mask);
  55#else
  56#define ali_sound_dma_hack(dev, mask)   (0)
  57#endif
  58
  59/* signal32.c */
  60void do_sigreturn32(struct pt_regs *regs);
  61asmlinkage void do_rt_sigreturn32(struct pt_regs *regs);
  62void do_signal32(struct pt_regs * regs);
  63asmlinkage int do_sys32_sigstack(u32 u_ssptr, u32 u_ossptr, unsigned long sp);
  64
  65/* time_64.c */
  66void __init time_init_early(void);
  67
  68/* compat_audit.c */
  69extern unsigned int sparc32_dir_class[];
  70extern unsigned int sparc32_chattr_class[];
  71extern unsigned int sparc32_write_class[];
  72extern unsigned int sparc32_read_class[];
  73extern unsigned int sparc32_signal_class[];
  74int sparc32_classify_syscall(unsigned int syscall);
  75#endif
  76
  77#ifdef CONFIG_SPARC32
  78/* setup_32.c */
  79struct linux_romvec;
  80void sparc32_start_kernel(struct linux_romvec *rp);
  81
  82/* cpu.c */
  83void cpu_probe(void);
  84
  85/* traps_32.c */
  86void handle_hw_divzero(struct pt_regs *regs, unsigned long pc,
  87                       unsigned long npc, unsigned long psr);
  88/* irq_32.c */
  89extern struct irqaction static_irqaction[];
  90extern int static_irq_count;
  91extern spinlock_t irq_action_lock;
  92
  93void unexpected_irq(int irq, void *dev_id, struct pt_regs * regs);
  94void init_IRQ(void);
  95
  96/* sun4m_irq.c */
  97void sun4m_init_IRQ(void);
  98void sun4m_unmask_profile_irq(void);
  99void sun4m_clear_profile_irq(int cpu);
 100
 101/* sun4m_smp.c */
 102void sun4m_cpu_pre_starting(void *arg);
 103void sun4m_cpu_pre_online(void *arg);
 104void __init smp4m_boot_cpus(void);
 105int smp4m_boot_one_cpu(int i, struct task_struct *idle);
 106void __init smp4m_smp_done(void);
 107void smp4m_cross_call_irq(void);
 108void smp4m_percpu_timer_interrupt(struct pt_regs *regs);
 109
 110/* sun4d_irq.c */
 111extern spinlock_t sun4d_imsk_lock;
 112
 113void sun4d_init_IRQ(void);
 114int sun4d_request_irq(unsigned int irq,
 115                      irq_handler_t handler,
 116                      unsigned long irqflags,
 117                      const char *devname, void *dev_id);
 118int show_sun4d_interrupts(struct seq_file *, void *);
 119void sun4d_distribute_irqs(void);
 120void sun4d_free_irq(unsigned int irq, void *dev_id);
 121
 122/* sun4d_smp.c */
 123void sun4d_cpu_pre_starting(void *arg);
 124void sun4d_cpu_pre_online(void *arg);
 125void __init smp4d_boot_cpus(void);
 126int smp4d_boot_one_cpu(int i, struct task_struct *idle);
 127void __init smp4d_smp_done(void);
 128void smp4d_cross_call_irq(void);
 129void smp4d_percpu_timer_interrupt(struct pt_regs *regs);
 130
 131/* leon_smp.c */
 132void leon_cpu_pre_starting(void *arg);
 133void leon_cpu_pre_online(void *arg);
 134void leonsmp_ipi_interrupt(void);
 135void leon_cross_call_irq(void);
 136
 137/* head_32.S */
 138extern unsigned int t_nmi[];
 139extern unsigned int linux_trap_ipi15_sun4d[];
 140extern unsigned int linux_trap_ipi15_sun4m[];
 141
 142extern struct tt_entry trapbase;
 143extern struct tt_entry trapbase_cpu1;
 144extern struct tt_entry trapbase_cpu2;
 145extern struct tt_entry trapbase_cpu3;
 146
 147extern char cputypval[];
 148
 149/* entry.S */
 150extern unsigned long lvl14_save[4];
 151extern unsigned int real_irq_entry[];
 152extern unsigned int smp4d_ticker[];
 153extern unsigned int patchme_maybe_smp_msg[];
 154
 155void floppy_hardint(void);
 156
 157/* trampoline_32.S */
 158extern unsigned long sun4m_cpu_startup;
 159extern unsigned long sun4d_cpu_startup;
 160
 161/* signal_32.c */
 162asmlinkage void do_sigreturn(struct pt_regs *regs);
 163asmlinkage void do_rt_sigreturn(struct pt_regs *regs);
 164void do_notify_resume(struct pt_regs *regs, unsigned long orig_i0,
 165                      unsigned long thread_info_flags);
 166asmlinkage int do_sys_sigstack(struct sigstack __user *ssptr,
 167                               struct sigstack __user *ossptr,
 168                               unsigned long sp);
 169
 170/* ptrace_32.c */
 171asmlinkage int syscall_trace(struct pt_regs *regs, int syscall_exit_p);
 172
 173/* unaligned_32.c */
 174asmlinkage void kernel_unaligned_trap(struct pt_regs *regs, unsigned int insn);
 175asmlinkage void user_unaligned_trap(struct pt_regs *regs, unsigned int insn);
 176
 177/* windows.c */
 178void try_to_clear_window_buffer(struct pt_regs *regs, int who);
 179
 180/* auxio_32.c */
 181void __init auxio_probe(void);
 182void __init auxio_power_probe(void);
 183
 184/* pcic.c */
 185extern void __iomem *pcic_regs;
 186void pcic_nmi(unsigned int pend, struct pt_regs *regs);
 187
 188/* time_32.c */
 189void __init time_init(void);
 190
 191#else /* CONFIG_SPARC32 */
 192#endif /* CONFIG_SPARC32 */
 193#endif /* !(__SPARC_KERNEL_H) */
 194