cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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kern_util.h (2098B)

      1/* SPDX-License-Identifier: GPL-2.0 */
      2/*
      3 * Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
      4 */
      5
      6#ifndef __KERN_UTIL_H__
      7#define __KERN_UTIL_H__
      8
      9#include <sysdep/ptrace.h>
     10#include <sysdep/faultinfo.h>
     11
     12struct siginfo;
     13
     14extern int uml_exitcode;
     15
     16extern int ncpus;
     17extern int kmalloc_ok;
     18
     19#define UML_ROUND_UP(addr) \
     20	((((unsigned long) addr) + PAGE_SIZE - 1) & PAGE_MASK)
     21
     22extern unsigned long alloc_stack(int order, int atomic);
     23extern void free_stack(unsigned long stack, int order);
     24
     25struct pt_regs;
     26extern void do_signal(struct pt_regs *regs);
     27extern void interrupt_end(void);
     28extern void relay_signal(int sig, struct siginfo *si, struct uml_pt_regs *regs);
     29
     30extern unsigned long segv(struct faultinfo fi, unsigned long ip,
     31			  int is_user, struct uml_pt_regs *regs);
     32extern int handle_page_fault(unsigned long address, unsigned long ip,
     33			     int is_write, int is_user, int *code_out);
     34
     35extern unsigned int do_IRQ(int irq, struct uml_pt_regs *regs);
     36extern void initial_thread_cb(void (*proc)(void *), void *arg);
     37extern int is_syscall(unsigned long addr);
     38
     39extern void timer_handler(int sig, struct siginfo *unused_si, struct uml_pt_regs *regs);
     40
     41extern void uml_pm_wake(void);
     42
     43extern int start_uml(void);
     44extern void paging_init(void);
     45
     46extern void uml_cleanup(void);
     47extern void do_uml_exitcalls(void);
     48
     49/*
     50 * Are we disallowed to sleep? Used to choose between GFP_KERNEL and
     51 * GFP_ATOMIC.
     52 */
     53extern int __cant_sleep(void);
     54extern int get_current_pid(void);
     55extern int copy_from_user_proc(void *to, void *from, int size);
     56extern char *uml_strdup(const char *string);
     57
     58extern unsigned long to_irq_stack(unsigned long *mask_out);
     59extern unsigned long from_irq_stack(int nested);
     60
     61extern int singlestepping(void *t);
     62
     63extern void segv_handler(int sig, struct siginfo *unused_si, struct uml_pt_regs *regs);
     64extern void bus_handler(int sig, struct siginfo *si, struct uml_pt_regs *regs);
     65extern void winch(int sig, struct siginfo *unused_si, struct uml_pt_regs *regs);
     66extern void fatal_sigsegv(void) __attribute__ ((noreturn));
     67
     68void um_idle_sleep(void);
     69
     70#endif