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72 lines
2.1 KiB
72 lines
2.1 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
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/* |
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* Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com) |
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*/ |
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#ifndef __KERN_UTIL_H__ |
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#define __KERN_UTIL_H__ |
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#include <sysdep/ptrace.h> |
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#include <sysdep/faultinfo.h> |
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struct siginfo; |
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extern int uml_exitcode; |
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extern int ncpus; |
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extern int kmalloc_ok; |
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#define UML_ROUND_UP(addr) \ |
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((((unsigned long) addr) + PAGE_SIZE - 1) & PAGE_MASK) |
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extern unsigned long alloc_stack(int order, int atomic); |
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extern void free_stack(unsigned long stack, int order); |
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struct pt_regs; |
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extern void do_signal(struct pt_regs *regs); |
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extern void interrupt_end(void); |
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extern void relay_signal(int sig, struct siginfo *si, struct uml_pt_regs *regs); |
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extern unsigned long segv(struct faultinfo fi, unsigned long ip, |
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int is_user, struct uml_pt_regs *regs); |
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extern int handle_page_fault(unsigned long address, unsigned long ip, |
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int is_write, int is_user, int *code_out); |
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extern unsigned int do_IRQ(int irq, struct uml_pt_regs *regs); |
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extern void initial_thread_cb(void (*proc)(void *), void *arg); |
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extern int is_syscall(unsigned long addr); |
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extern void timer_handler(int sig, struct siginfo *unused_si, struct uml_pt_regs *regs); |
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extern void uml_pm_wake(void); |
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extern int start_uml(void); |
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extern void paging_init(void); |
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extern void uml_cleanup(void); |
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extern void do_uml_exitcalls(void); |
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/* |
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* Are we disallowed to sleep? Used to choose between GFP_KERNEL and |
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* GFP_ATOMIC. |
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*/ |
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extern int __cant_sleep(void); |
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extern int get_current_pid(void); |
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extern int copy_from_user_proc(void *to, void *from, int size); |
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extern int cpu(void); |
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extern char *uml_strdup(const char *string); |
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extern unsigned long to_irq_stack(unsigned long *mask_out); |
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extern unsigned long from_irq_stack(int nested); |
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extern void syscall_trace(struct uml_pt_regs *regs, int entryexit); |
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extern int singlestepping(void *t); |
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extern void segv_handler(int sig, struct siginfo *unused_si, struct uml_pt_regs *regs); |
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extern void bus_handler(int sig, struct siginfo *si, struct uml_pt_regs *regs); |
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extern void winch(int sig, struct siginfo *unused_si, struct uml_pt_regs *regs); |
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extern void fatal_sigsegv(void) __attribute__ ((noreturn)); |
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void um_idle_sleep(void); |
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#endif
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