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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 | #ifndef _ASM_POWERPC_ASM_PROTOTYPES_H #define _ASM_POWERPC_ASM_PROTOTYPES_H /* * This file is for prototypes of C functions that are only called * from asm, and any associated variables. * * Copyright 2016, Daniel Axtens, IBM Corporation. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. */ #include <linux/threads.h> #include <asm/cacheflush.h> #include <asm/checksum.h> #include <linux/uaccess.h> #include <asm/epapr_hcalls.h> #include <asm/dcr.h> #include <asm/mmu_context.h> #include <uapi/asm/ucontext.h> /* SMP */ extern struct thread_info *current_set[NR_CPUS]; extern struct thread_info *secondary_ti; void start_secondary(void *unused); /* kexec */ struct paca_struct; struct kimage; extern struct paca_struct kexec_paca; void kexec_copy_flush(struct kimage *image); /* pseries hcall tracing */ extern struct static_key hcall_tracepoint_key; void __trace_hcall_entry(unsigned long opcode, unsigned long *args); void __trace_hcall_exit(long opcode, unsigned long retval, unsigned long *retbuf); /* OPAL tracing */ #ifdef HAVE_JUMP_LABEL extern struct static_key opal_tracepoint_key; #endif void __trace_opal_entry(unsigned long opcode, unsigned long *args); void __trace_opal_exit(long opcode, unsigned long retval); /* VMX copying */ int enter_vmx_usercopy(void); int exit_vmx_usercopy(void); int enter_vmx_copy(void); void * exit_vmx_copy(void *dest); /* Traps */ long machine_check_early(struct pt_regs *regs); long hmi_exception_realmode(struct pt_regs *regs); void SMIException(struct pt_regs *regs); void handle_hmi_exception(struct pt_regs *regs); void instruction_breakpoint_exception(struct pt_regs *regs); void RunModeException(struct pt_regs *regs); void single_step_exception(struct pt_regs *regs); void program_check_exception(struct pt_regs *regs); void alignment_exception(struct pt_regs *regs); void StackOverflow(struct pt_regs *regs); void nonrecoverable_exception(struct pt_regs *regs); void kernel_fp_unavailable_exception(struct pt_regs *regs); void altivec_unavailable_exception(struct pt_regs *regs); void vsx_unavailable_exception(struct pt_regs *regs); void fp_unavailable_tm(struct pt_regs *regs); void altivec_unavailable_tm(struct pt_regs *regs); void vsx_unavailable_tm(struct pt_regs *regs); void facility_unavailable_exception(struct pt_regs *regs); void TAUException(struct pt_regs *regs); void altivec_assist_exception(struct pt_regs *regs); void unrecoverable_exception(struct pt_regs *regs); void kernel_bad_stack(struct pt_regs *regs); void system_reset_exception(struct pt_regs *regs); void machine_check_exception(struct pt_regs *regs); void emulation_assist_interrupt(struct pt_regs *regs); /* signals, syscalls and interrupts */ #ifdef CONFIG_PPC64 int sys_swapcontext(struct ucontext __user *old_ctx, struct ucontext __user *new_ctx, long ctx_size, long r6, long r7, long r8, struct pt_regs *regs); #else long sys_swapcontext(struct ucontext __user *old_ctx, struct ucontext __user *new_ctx, int ctx_size, int r6, int r7, int r8, struct pt_regs *regs); #endif long sys_switch_endian(void); notrace unsigned int __check_irq_replay(void); void notrace restore_interrupts(void); /* ptrace */ long do_syscall_trace_enter(struct pt_regs *regs); void do_syscall_trace_leave(struct pt_regs *regs); /* process */ void restore_math(struct pt_regs *regs); void restore_tm_state(struct pt_regs *regs); /* prom_init (OpenFirmware) */ unsigned long __init prom_init(unsigned long r3, unsigned long r4, unsigned long pp, unsigned long r6, unsigned long r7, unsigned long kbase); /* setup */ void __init early_setup(unsigned long dt_ptr); void early_setup_secondary(void); /* time */ void accumulate_stolen_time(void); /* misc runtime */ extern u64 __bswapdi2(u64); extern s64 __lshrdi3(s64, int); extern s64 __ashldi3(s64, int); extern s64 __ashrdi3(s64, int); extern int __cmpdi2(s64, s64); extern int __ucmpdi2(u64, u64); /* tracing */ void _mcount(void); unsigned long prepare_ftrace_return(unsigned long parent, unsigned long ip); #endif /* _ASM_POWERPC_ASM_PROTOTYPES_H */ |