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 #ifdef CONFIG_SPARC64 18 /* setup_64.c */ 19 struct seq_file; 20 void cpucap_info(struct seq_file *); 21 22 static 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 */ 30 asmlinkage long sys_kern_features(void); 31 32 /* unaligned_64.c */ 33 asmlinkage void kernel_unaligned_trap(struct pt_regs *regs, unsigned int insn); 34 int handle_popc(u32 insn, struct pt_regs *regs); 35 void handle_lddfmna(struct pt_regs *regs, unsigned long sfar, unsigned long sfsr); 36 void handle_stdfmna(struct pt_regs *regs, unsigned long sfar, unsigned long sfsr); 37 38 /* smp_64.c */ 39 void __irq_entry smp_call_function_client(int irq, struct pt_regs *regs); 40 void __irq_entry smp_call_function_single_client(int irq, struct pt_regs *regs); 41 void __irq_entry smp_penguin_jailcell(int irq, struct pt_regs *regs); 42 void __irq_entry smp_receive_signal_client(int irq, struct pt_regs *regs); 43 44 /* kgdb_64.c */ 45 void __irq_entry smp_kgdb_capture_client(int irq, struct pt_regs *regs); 46 47 /* pci.c */ 48 #ifdef CONFIG_PCI 49 int ali_sound_dma_hack(struct device *dev, u64 device_mask); 50 #else 51 #define ali_sound_dma_hack(dev, mask) (0) 52 #endif 53 54 /* signal32.c */ 55 void do_sigreturn32(struct pt_regs *regs); 56 asmlinkage void do_rt_sigreturn32(struct pt_regs *regs); 57 void do_signal32(struct pt_regs * regs); 58 asmlinkage int do_sys32_sigstack(u32 u_ssptr, u32 u_ossptr, unsigned long sp); 59 60 /* time_64.c */ 61 void __init time_init_early(void); 62 63 /* compat_audit.c */ 64 extern unsigned int sparc32_dir_class[]; 65 extern unsigned int sparc32_chattr_class[]; 66 extern unsigned int sparc32_write_class[]; 67 extern unsigned int sparc32_read_class[]; 68 extern unsigned int sparc32_signal_class[]; 69 int sparc32_classify_syscall(unsigned int syscall); 70 #endif 71 72 #ifdef CONFIG_SPARC32 73 /* setup_32.c */ 74 struct linux_romvec; 75 void sparc32_start_kernel(struct linux_romvec *rp); 76 77 /* cpu.c */ 78 void cpu_probe(void); 79 80 /* traps_32.c */ 81 void handle_hw_divzero(struct pt_regs *regs, unsigned long pc, 82 unsigned long npc, unsigned long psr); 83 /* irq_32.c */ 84 extern struct irqaction static_irqaction[]; 85 extern int static_irq_count; 86 extern spinlock_t irq_action_lock; 87 88 void unexpected_irq(int irq, void *dev_id, struct pt_regs * regs); 89 void init_IRQ(void); 90 91 /* sun4m_irq.c */ 92 void sun4m_init_IRQ(void); 93 void sun4m_unmask_profile_irq(void); 94 void sun4m_clear_profile_irq(int cpu); 95 96 /* sun4m_smp.c */ 97 void sun4m_cpu_pre_starting(void *arg); 98 void sun4m_cpu_pre_online(void *arg); 99 void __init smp4m_boot_cpus(void); 100 int smp4m_boot_one_cpu(int i, struct task_struct *idle); 101 void __init smp4m_smp_done(void); 102 void smp4m_cross_call_irq(void); 103 void smp4m_percpu_timer_interrupt(struct pt_regs *regs); 104 105 /* sun4d_irq.c */ 106 extern spinlock_t sun4d_imsk_lock; 107 108 void sun4d_init_IRQ(void); 109 int sun4d_request_irq(unsigned int irq, 110 irq_handler_t handler, 111 unsigned long irqflags, 112 const char *devname, void *dev_id); 113 int show_sun4d_interrupts(struct seq_file *, void *); 114 void sun4d_distribute_irqs(void); 115 void sun4d_free_irq(unsigned int irq, void *dev_id); 116 117 /* sun4d_smp.c */ 118 void sun4d_cpu_pre_starting(void *arg); 119 void sun4d_cpu_pre_online(void *arg); 120 void __init smp4d_boot_cpus(void); 121 int smp4d_boot_one_cpu(int i, struct task_struct *idle); 122 void __init smp4d_smp_done(void); 123 void smp4d_cross_call_irq(void); 124 void smp4d_percpu_timer_interrupt(struct pt_regs *regs); 125 126 /* leon_smp.c */ 127 void leon_cpu_pre_starting(void *arg); 128 void leon_cpu_pre_online(void *arg); 129 void leonsmp_ipi_interrupt(void); 130 void leon_cross_call_irq(void); 131 132 /* head_32.S */ 133 extern unsigned int t_nmi[]; 134 extern unsigned int linux_trap_ipi15_sun4d[]; 135 extern unsigned int linux_trap_ipi15_sun4m[]; 136 137 extern struct tt_entry trapbase; 138 extern struct tt_entry trapbase_cpu1; 139 extern struct tt_entry trapbase_cpu2; 140 extern struct tt_entry trapbase_cpu3; 141 142 extern char cputypval[]; 143 144 /* entry.S */ 145 extern unsigned long lvl14_save[4]; 146 extern unsigned int real_irq_entry[]; 147 extern unsigned int smp4d_ticker[]; 148 extern unsigned int patchme_maybe_smp_msg[]; 149 150 void floppy_hardint(void); 151 152 /* trampoline_32.S */ 153 extern unsigned long sun4m_cpu_startup; 154 extern unsigned long sun4d_cpu_startup; 155 156 /* process_32.c */ 157 asmlinkage int sparc_do_fork(unsigned long clone_flags, 158 unsigned long stack_start, 159 struct pt_regs *regs, 160 unsigned long stack_size); 161 162 /* signal_32.c */ 163 asmlinkage void do_sigreturn(struct pt_regs *regs); 164 asmlinkage void do_rt_sigreturn(struct pt_regs *regs); 165 void do_notify_resume(struct pt_regs *regs, unsigned long orig_i0, 166 unsigned long thread_info_flags); 167 asmlinkage int do_sys_sigstack(struct sigstack __user *ssptr, 168 struct sigstack __user *ossptr, 169 unsigned long sp); 170 171 /* ptrace_32.c */ 172 asmlinkage int syscall_trace(struct pt_regs *regs, int syscall_exit_p); 173 174 /* unaligned_32.c */ 175 asmlinkage void kernel_unaligned_trap(struct pt_regs *regs, unsigned int insn); 176 asmlinkage void user_unaligned_trap(struct pt_regs *regs, unsigned int insn); 177 178 /* windows.c */ 179 void try_to_clear_window_buffer(struct pt_regs *regs, int who); 180 181 /* auxio_32.c */ 182 void __init auxio_probe(void); 183 void __init auxio_power_probe(void); 184 185 /* pcic.c */ 186 extern void __iomem *pcic_regs; 187 void pcic_nmi(unsigned int pend, struct pt_regs *regs); 188 189 /* time_32.c */ 190 void __init time_init(void); 191 192 #else /* CONFIG_SPARC32 */ 193 #endif /* CONFIG_SPARC32 */ 194 #endif /* !(__SPARC_KERNEL_H) */ 195