diff options
Diffstat (limited to 'ANDROID_3.4.5/arch/powerpc/kernel/syscalls.c')
-rw-r--r-- | ANDROID_3.4.5/arch/powerpc/kernel/syscalls.c | 138 |
1 files changed, 0 insertions, 138 deletions
diff --git a/ANDROID_3.4.5/arch/powerpc/kernel/syscalls.c b/ANDROID_3.4.5/arch/powerpc/kernel/syscalls.c deleted file mode 100644 index f2496f2f..00000000 --- a/ANDROID_3.4.5/arch/powerpc/kernel/syscalls.c +++ /dev/null @@ -1,138 +0,0 @@ -/* - * Implementation of various system calls for Linux/PowerPC - * - * Copyright (C) 1995-1996 Gary Thomas (gdt@linuxppc.org) - * - * Derived from "arch/i386/kernel/sys_i386.c" - * Adapted from the i386 version by Gary Thomas - * Modified by Cort Dougan (cort@cs.nmt.edu) - * and Paul Mackerras (paulus@cs.anu.edu.au). - * - * This file contains various random system calls that - * have a non-standard calling sequence on the Linux/PPC - * platform. - * - * 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/errno.h> -#include <linux/sched.h> -#include <linux/syscalls.h> -#include <linux/mm.h> -#include <linux/fs.h> -#include <linux/smp.h> -#include <linux/sem.h> -#include <linux/msg.h> -#include <linux/shm.h> -#include <linux/stat.h> -#include <linux/mman.h> -#include <linux/sys.h> -#include <linux/ipc.h> -#include <linux/utsname.h> -#include <linux/file.h> -#include <linux/init.h> -#include <linux/personality.h> - -#include <asm/uaccess.h> -#include <asm/syscalls.h> -#include <asm/time.h> -#include <asm/unistd.h> - -static inline unsigned long do_mmap2(unsigned long addr, size_t len, - unsigned long prot, unsigned long flags, - unsigned long fd, unsigned long off, int shift) -{ - unsigned long ret = -EINVAL; - - if (!arch_validate_prot(prot)) - goto out; - - if (shift) { - if (off & ((1 << shift) - 1)) - goto out; - off >>= shift; - } - - ret = sys_mmap_pgoff(addr, len, prot, flags, fd, off); -out: - return ret; -} - -unsigned long sys_mmap2(unsigned long addr, size_t len, - unsigned long prot, unsigned long flags, - unsigned long fd, unsigned long pgoff) -{ - return do_mmap2(addr, len, prot, flags, fd, pgoff, PAGE_SHIFT-12); -} - -unsigned long sys_mmap(unsigned long addr, size_t len, - unsigned long prot, unsigned long flags, - unsigned long fd, off_t offset) -{ - return do_mmap2(addr, len, prot, flags, fd, offset, PAGE_SHIFT); -} - -#ifdef CONFIG_PPC32 -/* - * Due to some executables calling the wrong select we sometimes - * get wrong args. This determines how the args are being passed - * (a single ptr to them all args passed) then calls - * sys_select() with the appropriate args. -- Cort - */ -int -ppc_select(int n, fd_set __user *inp, fd_set __user *outp, fd_set __user *exp, struct timeval __user *tvp) -{ - if ( (unsigned long)n >= 4096 ) - { - unsigned long __user *buffer = (unsigned long __user *)n; - if (!access_ok(VERIFY_READ, buffer, 5*sizeof(unsigned long)) - || __get_user(n, buffer) - || __get_user(inp, ((fd_set __user * __user *)(buffer+1))) - || __get_user(outp, ((fd_set __user * __user *)(buffer+2))) - || __get_user(exp, ((fd_set __user * __user *)(buffer+3))) - || __get_user(tvp, ((struct timeval __user * __user *)(buffer+4)))) - return -EFAULT; - } - return sys_select(n, inp, outp, exp, tvp); -} -#endif - -#ifdef CONFIG_PPC64 -long ppc64_personality(unsigned long personality) -{ - long ret; - - if (personality(current->personality) == PER_LINUX32 - && personality == PER_LINUX) - personality = PER_LINUX32; - ret = sys_personality(personality); - if (ret == PER_LINUX32) - ret = PER_LINUX; - return ret; -} -#endif - -long ppc_fadvise64_64(int fd, int advice, u32 offset_high, u32 offset_low, - u32 len_high, u32 len_low) -{ - return sys_fadvise64(fd, (u64)offset_high << 32 | offset_low, - (u64)len_high << 32 | len_low, advice); -} - -void do_show_syscall(unsigned long r3, unsigned long r4, unsigned long r5, - unsigned long r6, unsigned long r7, unsigned long r8, - struct pt_regs *regs) -{ - printk("syscall %ld(%lx, %lx, %lx, %lx, %lx, %lx) regs=%p current=%p" - " cpu=%d\n", regs->gpr[0], r3, r4, r5, r6, r7, r8, regs, - current, smp_processor_id()); -} - -void do_show_syscall_exit(unsigned long r3) -{ - printk(" -> %lx, current=%p cpu=%d\n", r3, current, smp_processor_id()); -} |