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 asmlinkage long sparc_clone3(struct pt_regs *regs); 22 23 #ifdef CONFIG_SPARC64 24 /* setup_64.c */ 25 struct seq_file; 26 void cpucap_info(struct seq_file *); 27 28 static inline unsigned long kimage_addr_to_ra(const void *p) 29 { 30 unsigned long val = (unsigned long) p; 31 32 return kern_base + (val - KERNBASE); 33 } 34 35 /* sys_sparc_64.c */ 36 asmlinkage long sys_kern_features(void); 37 38 /* unaligned_64.c */ 39 asmlinkage void kernel_unaligned_trap(struct pt_regs *regs, unsigned int insn); 40 int handle_popc(u32 insn, struct pt_regs *regs); 41 void handle_lddfmna(struct pt_regs *regs, unsigned long sfar, unsigned long sfsr); 42 void handle_stdfmna(struct pt_regs *regs, unsigned long sfar, unsigned long sfsr); 43 44 /* uprobes.c */ 45 asmlinkage void uprobe_trap(struct pt_regs *regs, 46 unsigned long trap_level); 47 48 /* smp_64.c */ 49 void __irq_entry smp_call_function_client(int irq, struct pt_regs *regs); 50 void __irq_entry smp_call_function_single_client(int irq, struct pt_regs *regs); 51 void __irq_entry smp_penguin_jailcell(int irq, struct pt_regs *regs); 52 void __irq_entry smp_receive_signal_client(int irq, struct pt_regs *regs); 53 54 /* kgdb_64.c */ 55 void __irq_entry smp_kgdb_capture_client(int irq, struct pt_regs *regs); 56 57 /* pci.c */ 58 #ifdef CONFIG_PCI 59 int ali_sound_dma_hack(struct device *dev, u64 device_mask); 60 #else 61 #define ali_sound_dma_hack(dev, mask) (0) 62 #endif 63 64 /* signal32.c */ 65 void do_sigreturn32(struct pt_regs *regs); 66 asmlinkage void do_rt_sigreturn32(struct pt_regs *regs); 67 void do_signal32(struct pt_regs * regs); 68 asmlinkage int do_sys32_sigstack(u32 u_ssptr, u32 u_ossptr, unsigned long sp); 69 70 /* time_64.c */ 71 void __init time_init_early(void); 72 73 /* compat_audit.c */ 74 extern unsigned int sparc32_dir_class[]; 75 extern unsigned int sparc32_chattr_class[]; 76 extern unsigned int sparc32_write_class[]; 77 extern unsigned int sparc32_read_class[]; 78 extern unsigned int sparc32_signal_class[]; 79 int sparc32_classify_syscall(unsigned int syscall); 80 #endif 81 82 #ifdef CONFIG_SPARC32 83 /* setup_32.c */ 84 struct linux_romvec; 85 void sparc32_start_kernel(struct linux_romvec *rp); 86 87 /* cpu.c */ 88 void cpu_probe(void); 89 90 /* traps_32.c */ 91 void handle_hw_divzero(struct pt_regs *regs, unsigned long pc, 92 unsigned long npc, unsigned long psr); 93 /* irq_32.c */ 94 extern struct irqaction static_irqaction[]; 95 extern int static_irq_count; 96 extern spinlock_t irq_action_lock; 97 98 void unexpected_irq(int irq, void *dev_id, struct pt_regs * regs); 99 100 /* sun4m_irq.c */ 101 void sun4m_init_IRQ(void); 102 void sun4m_unmask_profile_irq(void); 103 void sun4m_clear_profile_irq(int cpu); 104 105 /* sun4m_smp.c */ 106 void sun4m_cpu_pre_starting(void *arg); 107 void sun4m_cpu_pre_online(void *arg); 108 void __init smp4m_boot_cpus(void); 109 int smp4m_boot_one_cpu(int i, struct task_struct *idle); 110 void __init smp4m_smp_done(void); 111 void smp4m_cross_call_irq(void); 112 void smp4m_percpu_timer_interrupt(struct pt_regs *regs); 113 114 /* sun4d_irq.c */ 115 extern spinlock_t sun4d_imsk_lock; 116 117 void sun4d_init_IRQ(void); 118 int sun4d_request_irq(unsigned int irq, 119 irq_handler_t handler, 120 unsigned long irqflags, 121 const char *devname, void *dev_id); 122 int show_sun4d_interrupts(struct seq_file *, void *); 123 void sun4d_distribute_irqs(void); 124 void sun4d_free_irq(unsigned int irq, void *dev_id); 125 126 /* sun4d_smp.c */ 127 void sun4d_cpu_pre_starting(void *arg); 128 void sun4d_cpu_pre_online(void *arg); 129 void __init smp4d_boot_cpus(void); 130 int smp4d_boot_one_cpu(int i, struct task_struct *idle); 131 void __init smp4d_smp_done(void); 132 void smp4d_cross_call_irq(void); 133 void smp4d_percpu_timer_interrupt(struct pt_regs *regs); 134 135 /* leon_smp.c */ 136 void leon_cpu_pre_starting(void *arg); 137 void leon_cpu_pre_online(void *arg); 138 void leonsmp_ipi_interrupt(void); 139 void leon_cross_call_irq(void); 140 141 /* head_32.S */ 142 extern unsigned int t_nmi[]; 143 extern unsigned int linux_trap_ipi15_sun4d[]; 144 extern unsigned int linux_trap_ipi15_sun4m[]; 145 146 extern struct tt_entry trapbase[]; 147 extern struct tt_entry trapbase_cpu1[]; 148 extern struct tt_entry trapbase_cpu2[]; 149 extern struct tt_entry trapbase_cpu3[]; 150 151 extern char cputypval[]; 152 153 /* entry.S */ 154 extern unsigned long lvl14_save[4]; 155 extern unsigned int real_irq_entry[]; 156 extern unsigned int smp4d_ticker[]; 157 extern unsigned int patchme_maybe_smp_msg[]; 158 159 void floppy_hardint(void); 160 161 /* trampoline_32.S */ 162 extern unsigned long sun4m_cpu_startup; 163 extern unsigned long sun4d_cpu_startup; 164 165 /* signal_32.c */ 166 asmlinkage void do_sigreturn(struct pt_regs *regs); 167 asmlinkage void do_rt_sigreturn(struct pt_regs *regs); 168 void do_notify_resume(struct pt_regs *regs, unsigned long orig_i0, 169 unsigned long thread_info_flags); 170 asmlinkage int do_sys_sigstack(struct sigstack __user *ssptr, 171 struct sigstack __user *ossptr, 172 unsigned long sp); 173 174 /* ptrace_32.c */ 175 asmlinkage int syscall_trace(struct pt_regs *regs, int syscall_exit_p); 176 177 /* unaligned_32.c */ 178 asmlinkage void kernel_unaligned_trap(struct pt_regs *regs, unsigned int insn); 179 asmlinkage void user_unaligned_trap(struct pt_regs *regs, unsigned int insn); 180 181 /* windows.c */ 182 void try_to_clear_window_buffer(struct pt_regs *regs, int who); 183 184 /* auxio_32.c */ 185 void __init auxio_probe(void); 186 void __init auxio_power_probe(void); 187 188 /* pcic.c */ 189 extern void __iomem *pcic_regs; 190 void pcic_nmi(unsigned int pend, struct pt_regs *regs); 191 192 /* time_32.c */ 193 void __init time_init(void); 194 195 #else /* CONFIG_SPARC32 */ 196 #endif /* CONFIG_SPARC32 */ 197 #endif /* !(__SPARC_KERNEL_H) */ 198