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