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