diff options
| author | Al Viro <viro@zeniv.linux.org.uk> | 2008-08-17 21:48:37 +0400 |
|---|---|---|
| committer | H. Peter Anvin <hpa@zytor.com> | 2008-10-23 09:55:19 +0400 |
| commit | 8569c9140bd41089f9b6be8837ca421102714a90 (patch) | |
| tree | cd289b322b215fe2ca2530aa320febfd99388d7f /arch/um/include/shared/kern_util.h | |
| parent | 2515ddc6db8eb49a79f0fe5e67ff09ac7c81eab4 (diff) | |
| download | linux-8569c9140bd41089f9b6be8837ca421102714a90.tar.xz | |
x86, um: take arch/um/include/* out of the way
We can't just plop asm/* into it - userland helpers are built with it
in search path and seeing asm/* show up there suddenly would be a bad
idea.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Diffstat (limited to 'arch/um/include/shared/kern_util.h')
| -rw-r--r-- | arch/um/include/shared/kern_util.h | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/arch/um/include/shared/kern_util.h b/arch/um/include/shared/kern_util.h new file mode 100644 index 000000000000..3c341222d252 --- /dev/null +++ b/arch/um/include/shared/kern_util.h @@ -0,0 +1,69 @@ +/* + * Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com) + * Licensed under the GPL + */ + +#ifndef __KERN_UTIL_H__ +#define __KERN_UTIL_H__ + +#include "sysdep/ptrace.h" +#include "sysdep/faultinfo.h" + +extern int uml_exitcode; + +extern int ncpus; +extern int kmalloc_ok; + +#define UML_ROUND_UP(addr) \ + ((((unsigned long) addr) + PAGE_SIZE - 1) & PAGE_MASK) + +extern unsigned long alloc_stack(int order, int atomic); +extern void free_stack(unsigned long stack, int order); + +extern int do_signal(void); +extern void copy_sc(struct uml_pt_regs *regs, void *from); +extern void interrupt_end(void); +extern void relay_signal(int sig, struct uml_pt_regs *regs); + +extern unsigned long segv(struct faultinfo fi, unsigned long ip, + int is_user, struct uml_pt_regs *regs); +extern int handle_page_fault(unsigned long address, unsigned long ip, + int is_write, int is_user, int *code_out); + +extern unsigned int do_IRQ(int irq, struct uml_pt_regs *regs); +extern int smp_sigio_handler(void); +extern void initial_thread_cb(void (*proc)(void *), void *arg); +extern int is_syscall(unsigned long addr); +extern void timer_handler(int sig, struct uml_pt_regs *regs); + +extern void timer_handler(int sig, struct uml_pt_regs *regs); + +extern int start_uml(void); +extern void paging_init(void); + +extern void uml_cleanup(void); +extern void do_uml_exitcalls(void); + +/* + * Are we disallowed to sleep? Used to choose between GFP_KERNEL and + * GFP_ATOMIC. + */ +extern int __cant_sleep(void); +extern void *get_current(void); +extern int copy_from_user_proc(void *to, void *from, int size); +extern int cpu(void); +extern char *uml_strdup(const char *string); + +extern unsigned long to_irq_stack(unsigned long *mask_out); +extern unsigned long from_irq_stack(int nested); + +extern void syscall_trace(struct uml_pt_regs *regs, int entryexit); +extern int singlestepping(void *t); + +extern void segv_handler(int sig, struct uml_pt_regs *regs); +extern void bus_handler(int sig, struct uml_pt_regs *regs); +extern void winch(int sig, struct uml_pt_regs *regs); +extern void fatal_sigsegv(void) __attribute__ ((noreturn)); + + +#endif |