diff options
Diffstat (limited to 'arch/sparc/kernel/kernel.h')
| -rw-r--r-- | arch/sparc/kernel/kernel.h | 190 |
1 files changed, 190 insertions, 0 deletions
diff --git a/arch/sparc/kernel/kernel.h b/arch/sparc/kernel/kernel.h new file mode 100644 index 000000000..ddffd368e --- /dev/null +++ b/arch/sparc/kernel/kernel.h @@ -0,0 +1,190 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef __SPARC_KERNEL_H +#define __SPARC_KERNEL_H + +#include <linux/interrupt.h> +#include <linux/ftrace.h> + +#include <asm/traps.h> +#include <asm/head.h> +#include <asm/io.h> + +/* cpu.c */ +extern const char *sparc_pmu_type; +extern unsigned int fsr_storage; +extern int ncpus_probed; + +#ifdef CONFIG_SPARC64 +/* setup_64.c */ +struct seq_file; +void cpucap_info(struct seq_file *); + +static inline unsigned long kimage_addr_to_ra(const void *p) +{ + unsigned long val = (unsigned long) p; + + return kern_base + (val - KERNBASE); +} + +/* sys_sparc_64.c */ +asmlinkage long sys_kern_features(void); + +/* unaligned_64.c */ +asmlinkage void kernel_unaligned_trap(struct pt_regs *regs, unsigned int insn); +int handle_popc(u32 insn, struct pt_regs *regs); +void handle_lddfmna(struct pt_regs *regs, unsigned long sfar, unsigned long sfsr); +void handle_stdfmna(struct pt_regs *regs, unsigned long sfar, unsigned long sfsr); + +/* smp_64.c */ +void __irq_entry smp_call_function_client(int irq, struct pt_regs *regs); +void __irq_entry smp_call_function_single_client(int irq, struct pt_regs *regs); +void __irq_entry smp_penguin_jailcell(int irq, struct pt_regs *regs); +void __irq_entry smp_receive_signal_client(int irq, struct pt_regs *regs); + +/* kgdb_64.c */ +void __irq_entry smp_kgdb_capture_client(int irq, struct pt_regs *regs); + +/* pci.c */ +int pci64_dma_supported(struct pci_dev *pdev, u64 device_mask); + +/* signal32.c */ +void do_sigreturn32(struct pt_regs *regs); +asmlinkage void do_rt_sigreturn32(struct pt_regs *regs); +void do_signal32(struct pt_regs * regs); +asmlinkage int do_sys32_sigstack(u32 u_ssptr, u32 u_ossptr, unsigned long sp); + +/* time_64.c */ +void __init time_init_early(void); + +/* compat_audit.c */ +extern unsigned int sparc32_dir_class[]; +extern unsigned int sparc32_chattr_class[]; +extern unsigned int sparc32_write_class[]; +extern unsigned int sparc32_read_class[]; +extern unsigned int sparc32_signal_class[]; +int sparc32_classify_syscall(unsigned int syscall); +#endif + +#ifdef CONFIG_SPARC32 +/* setup_32.c */ +struct linux_romvec; +void sparc32_start_kernel(struct linux_romvec *rp); + +/* cpu.c */ +void cpu_probe(void); + +/* traps_32.c */ +void handle_hw_divzero(struct pt_regs *regs, unsigned long pc, + unsigned long npc, unsigned long psr); +/* irq_32.c */ +extern struct irqaction static_irqaction[]; +extern int static_irq_count; +extern spinlock_t irq_action_lock; + +void unexpected_irq(int irq, void *dev_id, struct pt_regs * regs); +void init_IRQ(void); + +/* sun4m_irq.c */ +void sun4m_init_IRQ(void); +void sun4m_unmask_profile_irq(void); +void sun4m_clear_profile_irq(int cpu); + +/* sun4m_smp.c */ +void sun4m_cpu_pre_starting(void *arg); +void sun4m_cpu_pre_online(void *arg); +void __init smp4m_boot_cpus(void); +int smp4m_boot_one_cpu(int i, struct task_struct *idle); +void __init smp4m_smp_done(void); +void smp4m_cross_call_irq(void); +void smp4m_percpu_timer_interrupt(struct pt_regs *regs); + +/* sun4d_irq.c */ +extern spinlock_t sun4d_imsk_lock; + +void sun4d_init_IRQ(void); +int sun4d_request_irq(unsigned int irq, + irq_handler_t handler, + unsigned long irqflags, + const char *devname, void *dev_id); +int show_sun4d_interrupts(struct seq_file *, void *); +void sun4d_distribute_irqs(void); +void sun4d_free_irq(unsigned int irq, void *dev_id); + +/* sun4d_smp.c */ +void sun4d_cpu_pre_starting(void *arg); +void sun4d_cpu_pre_online(void *arg); +void __init smp4d_boot_cpus(void); +int smp4d_boot_one_cpu(int i, struct task_struct *idle); +void __init smp4d_smp_done(void); +void smp4d_cross_call_irq(void); +void smp4d_percpu_timer_interrupt(struct pt_regs *regs); + +/* leon_smp.c */ +void leon_cpu_pre_starting(void *arg); +void leon_cpu_pre_online(void *arg); +void leonsmp_ipi_interrupt(void); +void leon_cross_call_irq(void); + +/* head_32.S */ +extern unsigned int t_nmi[]; +extern unsigned int linux_trap_ipi15_sun4d[]; +extern unsigned int linux_trap_ipi15_sun4m[]; + +extern struct tt_entry trapbase; +extern struct tt_entry trapbase_cpu1; +extern struct tt_entry trapbase_cpu2; +extern struct tt_entry trapbase_cpu3; + +extern char cputypval[]; + +/* entry.S */ +extern unsigned long lvl14_save[4]; +extern unsigned int real_irq_entry[]; +extern unsigned int smp4d_ticker[]; +extern unsigned int patchme_maybe_smp_msg[]; + +void floppy_hardint(void); + +/* trampoline_32.S */ +extern unsigned long sun4m_cpu_startup; +extern unsigned long sun4d_cpu_startup; + +/* process_32.c */ +asmlinkage int sparc_do_fork(unsigned long clone_flags, + unsigned long stack_start, + struct pt_regs *regs, + unsigned long stack_size); + +/* signal_32.c */ +asmlinkage void do_sigreturn(struct pt_regs *regs); +asmlinkage void do_rt_sigreturn(struct pt_regs *regs); +void do_notify_resume(struct pt_regs *regs, unsigned long orig_i0, + unsigned long thread_info_flags); +asmlinkage int do_sys_sigstack(struct sigstack __user *ssptr, + struct sigstack __user *ossptr, + unsigned long sp); + +/* ptrace_32.c */ +asmlinkage int syscall_trace(struct pt_regs *regs, int syscall_exit_p); + +/* unaligned_32.c */ +asmlinkage void kernel_unaligned_trap(struct pt_regs *regs, unsigned int insn); +asmlinkage void user_unaligned_trap(struct pt_regs *regs, unsigned int insn); + +/* windows.c */ +void try_to_clear_window_buffer(struct pt_regs *regs, int who); + +/* auxio_32.c */ +void __init auxio_probe(void); +void __init auxio_power_probe(void); + +/* pcic.c */ +extern void __iomem *pcic_regs; +void pcic_nmi(unsigned int pend, struct pt_regs *regs); + +/* time_32.c */ +void __init time_init(void); + +#else /* CONFIG_SPARC32 */ +#endif /* CONFIG_SPARC32 */ +#endif /* !(__SPARC_KERNEL_H) */ |