1#ifndef _ASM_POWERPC_ASM_PROTOTYPES_H
2#define _ASM_POWERPC_ASM_PROTOTYPES_H
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15#include <linux/threads.h>
16#include <asm/cacheflush.h>
17#include <asm/checksum.h>
18#include <linux/uaccess.h>
19#include <asm/epapr_hcalls.h>
20#include <asm/dcr.h>
21#include <asm/mmu_context.h>
22
23#include <uapi/asm/ucontext.h>
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25
26extern struct thread_info *current_set[NR_CPUS];
27extern struct thread_info *secondary_ti;
28void start_secondary(void *unused);
29
30
31struct paca_struct;
32struct kimage;
33extern struct paca_struct kexec_paca;
34void kexec_copy_flush(struct kimage *image);
35
36
37extern struct static_key hcall_tracepoint_key;
38void __trace_hcall_entry(unsigned long opcode, unsigned long *args);
39void __trace_hcall_exit(long opcode, unsigned long retval,
40 unsigned long *retbuf);
41
42#ifdef HAVE_JUMP_LABEL
43extern struct static_key opal_tracepoint_key;
44#endif
45
46void __trace_opal_entry(unsigned long opcode, unsigned long *args);
47void __trace_opal_exit(long opcode, unsigned long retval);
48
49
50int enter_vmx_usercopy(void);
51int exit_vmx_usercopy(void);
52int enter_vmx_copy(void);
53void * exit_vmx_copy(void *dest);
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55
56long machine_check_early(struct pt_regs *regs);
57long hmi_exception_realmode(struct pt_regs *regs);
58void SMIException(struct pt_regs *regs);
59void handle_hmi_exception(struct pt_regs *regs);
60void instruction_breakpoint_exception(struct pt_regs *regs);
61void RunModeException(struct pt_regs *regs);
62void single_step_exception(struct pt_regs *regs);
63void program_check_exception(struct pt_regs *regs);
64void alignment_exception(struct pt_regs *regs);
65void slb_miss_bad_addr(struct pt_regs *regs);
66void StackOverflow(struct pt_regs *regs);
67void nonrecoverable_exception(struct pt_regs *regs);
68void kernel_fp_unavailable_exception(struct pt_regs *regs);
69void altivec_unavailable_exception(struct pt_regs *regs);
70void vsx_unavailable_exception(struct pt_regs *regs);
71void fp_unavailable_tm(struct pt_regs *regs);
72void altivec_unavailable_tm(struct pt_regs *regs);
73void vsx_unavailable_tm(struct pt_regs *regs);
74void facility_unavailable_exception(struct pt_regs *regs);
75void TAUException(struct pt_regs *regs);
76void altivec_assist_exception(struct pt_regs *regs);
77void unrecoverable_exception(struct pt_regs *regs);
78void kernel_bad_stack(struct pt_regs *regs);
79void system_reset_exception(struct pt_regs *regs);
80void machine_check_exception(struct pt_regs *regs);
81void emulation_assist_interrupt(struct pt_regs *regs);
82
83
84#ifdef CONFIG_PPC64
85int sys_swapcontext(struct ucontext __user *old_ctx,
86 struct ucontext __user *new_ctx,
87 long ctx_size, long r6, long r7, long r8, struct pt_regs *regs);
88#else
89long sys_swapcontext(struct ucontext __user *old_ctx,
90 struct ucontext __user *new_ctx,
91 int ctx_size, int r6, int r7, int r8, struct pt_regs *regs);
92int sys_debug_setcontext(struct ucontext __user *ctx,
93 int ndbg, struct sig_dbg_op __user *dbg,
94 int r6, int r7, int r8,
95 struct pt_regs *regs);
96int
97ppc_select(int n, fd_set __user *inp, fd_set __user *outp, fd_set __user *exp, struct timeval __user *tvp);
98unsigned long __init early_init(unsigned long dt_ptr);
99void __init machine_init(u64 dt_ptr);
100#endif
101
102long ppc_fadvise64_64(int fd, int advice, u32 offset_high, u32 offset_low,
103 u32 len_high, u32 len_low);
104long sys_switch_endian(void);
105notrace unsigned int __check_irq_replay(void);
106void notrace restore_interrupts(void);
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108
109long do_syscall_trace_enter(struct pt_regs *regs);
110void do_syscall_trace_leave(struct pt_regs *regs);
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113void restore_math(struct pt_regs *regs);
114void restore_tm_state(struct pt_regs *regs);
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116
117unsigned long __init prom_init(unsigned long r3, unsigned long r4,
118 unsigned long pp,
119 unsigned long r6, unsigned long r7,
120 unsigned long kbase);
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122
123void __init early_setup(unsigned long dt_ptr);
124void early_setup_secondary(void);
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126
127void accumulate_stolen_time(void);
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129
130extern u64 __bswapdi2(u64);
131extern s64 __lshrdi3(s64, int);
132extern s64 __ashldi3(s64, int);
133extern s64 __ashrdi3(s64, int);
134extern int __cmpdi2(s64, s64);
135extern int __ucmpdi2(u64, u64);
136
137
138void _mcount(void);
139unsigned long prepare_ftrace_return(unsigned long parent, unsigned long ip);
140
141void pnv_power9_force_smt4_catch(void);
142void pnv_power9_force_smt4_release(void);
143
144#endif
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