sparc/kernel/kernel.h

0001 /* SPDX-License-Identifier: GPL-2.0 */
0002 #ifndef __SPARC_KERNEL_H
0003 #define __SPARC_KERNEL_H
0004
0005 #include <linux/interrupt.h>
0006 #include <linux/ftrace.h>
0007
0008 #include <asm/traps.h>
0009 #include <asm/head.h>
0010 #include <asm/io.h>
0011
0012 /* cpu.c */
0013 extern const char *sparc_pmu_type;
0014 extern unsigned int fsr_storage;
0015 extern int ncpus_probed;
0016
0017 /* process{_32,_64}.c */
0018 asmlinkage long sparc_clone(struct pt_regs *regs);
0019 asmlinkage long sparc_fork(struct pt_regs *regs);
0020 asmlinkage long sparc_vfork(struct pt_regs *regs);
0021
0022 #ifdef CONFIG_SPARC64
0023 /* setup_64.c */
0024 struct seq_file;
0025 void cpucap_info(struct seq_file *);
0026
0027 static inline unsigned long kimage_addr_to_ra(const void *p)
0028 {
0029     unsigned long val = (unsigned long) p;
0030
0031     return kern_base + (val - KERNBASE);
0032 }
0033
0034 /* sys_sparc_64.c */
0035 asmlinkage long sys_kern_features(void);
0036
0037 /* unaligned_64.c */
0038 asmlinkage void kernel_unaligned_trap(struct pt_regs *regs, unsigned int insn);
0039 int handle_popc(u32 insn, struct pt_regs *regs);
0040 void handle_lddfmna(struct pt_regs *regs, unsigned long sfar, unsigned long sfsr);
0041 void handle_stdfmna(struct pt_regs *regs, unsigned long sfar, unsigned long sfsr);
0042
0043 /* smp_64.c */
0044 void __irq_entry smp_call_function_client(int irq, struct pt_regs *regs);
0045 void __irq_entry smp_call_function_single_client(int irq, struct pt_regs *regs);
0046 void __irq_entry smp_penguin_jailcell(int irq, struct pt_regs *regs);
0047 void __irq_entry smp_receive_signal_client(int irq, struct pt_regs *regs);
0048
0049 /* kgdb_64.c */
0050 void __irq_entry smp_kgdb_capture_client(int irq, struct pt_regs *regs);
0051
0052 /* pci.c */
0053 #ifdef CONFIG_PCI
0054 int ali_sound_dma_hack(struct device *dev, u64 device_mask);
0055 #else
0056 #define ali_sound_dma_hack(dev, mask)   (0)
0057 #endif
0058
0059 /* signal32.c */
0060 void do_sigreturn32(struct pt_regs *regs);
0061 asmlinkage void do_rt_sigreturn32(struct pt_regs *regs);
0062 void do_signal32(struct pt_regs * regs);
0063 asmlinkage int do_sys32_sigstack(u32 u_ssptr, u32 u_ossptr, unsigned long sp);
0064
0065 /* time_64.c */
0066 void __init time_init_early(void);
0067
0068 /* compat_audit.c */
0069 extern unsigned int sparc32_dir_class[];
0070 extern unsigned int sparc32_chattr_class[];
0071 extern unsigned int sparc32_write_class[];
0072 extern unsigned int sparc32_read_class[];
0073 extern unsigned int sparc32_signal_class[];
0074 int sparc32_classify_syscall(unsigned int syscall);
0075 #endif
0076
0077 #ifdef CONFIG_SPARC32
0078 /* setup_32.c */
0079 struct linux_romvec;
0080 void sparc32_start_kernel(struct linux_romvec *rp);
0081
0082 /* cpu.c */
0083 void cpu_probe(void);
0084
0085 /* traps_32.c */
0086 void handle_hw_divzero(struct pt_regs *regs, unsigned long pc,
0087                        unsigned long npc, unsigned long psr);
0088 /* irq_32.c */
0089 extern struct irqaction static_irqaction[];
0090 extern int static_irq_count;
0091 extern spinlock_t irq_action_lock;
0092
0093 void unexpected_irq(int irq, void *dev_id, struct pt_regs * regs);
0094 void init_IRQ(void);
0095
0096 /* sun4m_irq.c */
0097 void sun4m_init_IRQ(void);
0098 void sun4m_unmask_profile_irq(void);
0099 void sun4m_clear_profile_irq(int cpu);
0100
0101 /* sun4m_smp.c */
0102 void sun4m_cpu_pre_starting(void *arg);
0103 void sun4m_cpu_pre_online(void *arg);
0104 void __init smp4m_boot_cpus(void);
0105 int smp4m_boot_one_cpu(int i, struct task_struct *idle);
0106 void __init smp4m_smp_done(void);
0107 void smp4m_cross_call_irq(void);
0108 void smp4m_percpu_timer_interrupt(struct pt_regs *regs);
0109
0110 /* sun4d_irq.c */
0111 extern spinlock_t sun4d_imsk_lock;
0112
0113 void sun4d_init_IRQ(void);
0114 int sun4d_request_irq(unsigned int irq,
0115                       irq_handler_t handler,
0116                       unsigned long irqflags,
0117                       const char *devname, void *dev_id);
0118 int show_sun4d_interrupts(struct seq_file *, void *);
0119 void sun4d_distribute_irqs(void);
0120 void sun4d_free_irq(unsigned int irq, void *dev_id);
0121
0122 /* sun4d_smp.c */
0123 void sun4d_cpu_pre_starting(void *arg);
0124 void sun4d_cpu_pre_online(void *arg);
0125 void __init smp4d_boot_cpus(void);
0126 int smp4d_boot_one_cpu(int i, struct task_struct *idle);
0127 void __init smp4d_smp_done(void);
0128 void smp4d_cross_call_irq(void);
0129 void smp4d_percpu_timer_interrupt(struct pt_regs *regs);
0130
0131 /* leon_smp.c */
0132 void leon_cpu_pre_starting(void *arg);
0133 void leon_cpu_pre_online(void *arg);
0134 void leonsmp_ipi_interrupt(void);
0135 void leon_cross_call_irq(void);
0136
0137 /* head_32.S */
0138 extern unsigned int t_nmi[];
0139 extern unsigned int linux_trap_ipi15_sun4d[];
0140 extern unsigned int linux_trap_ipi15_sun4m[];
0141
0142 extern struct tt_entry trapbase;
0143 extern struct tt_entry trapbase_cpu1;
0144 extern struct tt_entry trapbase_cpu2;
0145 extern struct tt_entry trapbase_cpu3;
0146
0147 extern char cputypval[];
0148
0149 /* entry.S */
0150 extern unsigned long lvl14_save[4];
0151 extern unsigned int real_irq_entry[];
0152 extern unsigned int smp4d_ticker[];
0153 extern unsigned int patchme_maybe_smp_msg[];
0154
0155 void floppy_hardint(void);
0156
0157 /* trampoline_32.S */
0158 extern unsigned long sun4m_cpu_startup;
0159 extern unsigned long sun4d_cpu_startup;
0160
0161 /* signal_32.c */
0162 asmlinkage void do_sigreturn(struct pt_regs *regs);
0163 asmlinkage void do_rt_sigreturn(struct pt_regs *regs);
0164 void do_notify_resume(struct pt_regs *regs, unsigned long orig_i0,
0165                       unsigned long thread_info_flags);
0166 asmlinkage int do_sys_sigstack(struct sigstack __user *ssptr,
0167                                struct sigstack __user *ossptr,
0168                                unsigned long sp);
0169
0170 /* ptrace_32.c */
0171 asmlinkage int syscall_trace(struct pt_regs *regs, int syscall_exit_p);
0172
0173 /* unaligned_32.c */
0174 asmlinkage void kernel_unaligned_trap(struct pt_regs *regs, unsigned int insn);
0175 asmlinkage void user_unaligned_trap(struct pt_regs *regs, unsigned int insn);
0176
0177 /* windows.c */
0178 void try_to_clear_window_buffer(struct pt_regs *regs, int who);
0179
0180 /* auxio_32.c */
0181 void __init auxio_probe(void);
0182 void __init auxio_power_probe(void);
0183
0184 /* pcic.c */
0185 extern void __iomem *pcic_regs;
0186 void pcic_nmi(unsigned int pend, struct pt_regs *regs);
0187
0188 /* time_32.c */
0189 void __init time_init(void);
0190
0191 #else /* CONFIG_SPARC32 */
0192 #endif /* CONFIG_SPARC32 */
0193 #endif /* !(__SPARC_KERNEL_H) */