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#ifdef CONFIG_SPARC64
  18/* setup_64.c */
  19struct seq_file;
  20void cpucap_info(struct seq_file *);
  21
  22static 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 */
  30asmlinkage long sys_kern_features(void);
  31
  32/* unaligned_64.c */
  33asmlinkage void kernel_unaligned_trap(struct pt_regs *regs, unsigned int insn);
  34int handle_popc(u32 insn, struct pt_regs *regs);
  35void handle_lddfmna(struct pt_regs *regs, unsigned long sfar, unsigned long sfsr);
  36void handle_stdfmna(struct pt_regs *regs, unsigned long sfar, unsigned long sfsr);
  37
  38/* smp_64.c */
  39void __irq_entry smp_call_function_client(int irq, struct pt_regs *regs);
  40void __irq_entry smp_call_function_single_client(int irq, struct pt_regs *regs);
  41void __irq_entry smp_penguin_jailcell(int irq, struct pt_regs *regs);
  42void __irq_entry smp_receive_signal_client(int irq, struct pt_regs *regs);
  43
  44/* kgdb_64.c */
  45void __irq_entry smp_kgdb_capture_client(int irq, struct pt_regs *regs);
  46
  47/* pci.c */
  48int pci64_dma_supported(struct pci_dev *pdev, u64 device_mask);
  49
  50/* signal32.c */
  51void do_sigreturn32(struct pt_regs *regs);
  52asmlinkage void do_rt_sigreturn32(struct pt_regs *regs);
  53void do_signal32(struct pt_regs * regs);
  54asmlinkage int do_sys32_sigstack(u32 u_ssptr, u32 u_ossptr, unsigned long sp);
  55
  56/* time_64.c */
  57void __init time_init_early(void);
  58
  59/* compat_audit.c */
  60extern unsigned int sparc32_dir_class[];
  61extern unsigned int sparc32_chattr_class[];
  62extern unsigned int sparc32_write_class[];
  63extern unsigned int sparc32_read_class[];
  64extern unsigned int sparc32_signal_class[];
  65int sparc32_classify_syscall(unsigned int syscall);
  66#endif
  67
  68#ifdef CONFIG_SPARC32
  69/* setup_32.c */
  70struct linux_romvec;
  71void sparc32_start_kernel(struct linux_romvec *rp);
  72
  73/* cpu.c */
  74void cpu_probe(void);
  75
  76/* traps_32.c */
  77void handle_hw_divzero(struct pt_regs *regs, unsigned long pc,
  78                       unsigned long npc, unsigned long psr);
  79/* irq_32.c */
  80extern struct irqaction static_irqaction[];
  81extern int static_irq_count;
  82extern spinlock_t irq_action_lock;
  83
  84void unexpected_irq(int irq, void *dev_id, struct pt_regs * regs);
  85void init_IRQ(void);
  86
  87/* sun4m_irq.c */
  88void sun4m_init_IRQ(void);
  89void sun4m_unmask_profile_irq(void);
  90void sun4m_clear_profile_irq(int cpu);
  91
  92/* sun4m_smp.c */
  93void sun4m_cpu_pre_starting(void *arg);
  94void sun4m_cpu_pre_online(void *arg);
  95void __init smp4m_boot_cpus(void);
  96int smp4m_boot_one_cpu(int i, struct task_struct *idle);
  97void __init smp4m_smp_done(void);
  98void smp4m_cross_call_irq(void);
  99void smp4m_percpu_timer_interrupt(struct pt_regs *regs);
 100
 101/* sun4d_irq.c */
 102extern spinlock_t sun4d_imsk_lock;
 103
 104void sun4d_init_IRQ(void);
 105int sun4d_request_irq(unsigned int irq,
 106                      irq_handler_t handler,
 107                      unsigned long irqflags,
 108                      const char *devname, void *dev_id);
 109int show_sun4d_interrupts(struct seq_file *, void *);
 110void sun4d_distribute_irqs(void);
 111void sun4d_free_irq(unsigned int irq, void *dev_id);
 112
 113/* sun4d_smp.c */
 114void sun4d_cpu_pre_starting(void *arg);
 115void sun4d_cpu_pre_online(void *arg);
 116void __init smp4d_boot_cpus(void);
 117int smp4d_boot_one_cpu(int i, struct task_struct *idle);
 118void __init smp4d_smp_done(void);
 119void smp4d_cross_call_irq(void);
 120void smp4d_percpu_timer_interrupt(struct pt_regs *regs);
 121
 122/* leon_smp.c */
 123void leon_cpu_pre_starting(void *arg);
 124void leon_cpu_pre_online(void *arg);
 125void leonsmp_ipi_interrupt(void);
 126void leon_cross_call_irq(void);
 127
 128/* head_32.S */
 129extern unsigned int t_nmi[];
 130extern unsigned int linux_trap_ipi15_sun4d[];
 131extern unsigned int linux_trap_ipi15_sun4m[];
 132
 133extern struct tt_entry trapbase;
 134extern struct tt_entry trapbase_cpu1;
 135extern struct tt_entry trapbase_cpu2;
 136extern struct tt_entry trapbase_cpu3;
 137
 138extern char cputypval[];
 139
 140/* entry.S */
 141extern unsigned long lvl14_save[4];
 142extern unsigned int real_irq_entry[];
 143extern unsigned int smp4d_ticker[];
 144extern unsigned int patchme_maybe_smp_msg[];
 145
 146void floppy_hardint(void);
 147
 148/* trampoline_32.S */
 149extern unsigned long sun4m_cpu_startup;
 150extern unsigned long sun4d_cpu_startup;
 151
 152/* process_32.c */
 153asmlinkage 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 */
 159asmlinkage void do_sigreturn(struct pt_regs *regs);
 160asmlinkage void do_rt_sigreturn(struct pt_regs *regs);
 161void do_notify_resume(struct pt_regs *regs, unsigned long orig_i0,
 162                      unsigned long thread_info_flags);
 163asmlinkage int do_sys_sigstack(struct sigstack __user *ssptr,
 164                               struct sigstack __user *ossptr,
 165                               unsigned long sp);
 166
 167/* ptrace_32.c */
 168asmlinkage int syscall_trace(struct pt_regs *regs, int syscall_exit_p);
 169
 170/* unaligned_32.c */
 171asmlinkage void kernel_unaligned_trap(struct pt_regs *regs, unsigned int insn);
 172asmlinkage void user_unaligned_trap(struct pt_regs *regs, unsigned int insn);
 173
 174/* windows.c */
 175void try_to_clear_window_buffer(struct pt_regs *regs, int who);
 176
 177/* auxio_32.c */
 178void __init auxio_probe(void);
 179void __init auxio_power_probe(void);
 180
 181/* pcic.c */
 182extern void __iomem *pcic_regs;
 183void pcic_nmi(unsigned int pend, struct pt_regs *regs);
 184
 185/* time_32.c */
 186void __init time_init(void);
 187
 188#else /* CONFIG_SPARC32 */
 189#endif /* CONFIG_SPARC32 */
 190#endif /* !(__SPARC_KERNEL_H) */
 191