x86_64: move kernel

[pandora-kernel.git] / arch / x86_64 / kernel / sys_x86_64.c

diff --git a/arch/x86_64/kernel/sys_x86_64.c b/arch/x86_64/kernel/sys_x86_64.c
deleted file mode 100644 (file)
index 4770b7a..0000000
--- a/arch/x86_64/kernel/sys_x86_64.c
+++ /dev/null
@@ -1,159 +0,0 @@
-/*
- * linux/arch/x86_64/kernel/sys_x86_64.c
- */
-
-#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/file.h>
-#include <linux/utsname.h>
-#include <linux/personality.h>
-
-#include <asm/uaccess.h>
-#include <asm/ia32.h>
-
-/*
- * sys_pipe() is the normal C calling standard for creating
- * a pipe. It's not the way Unix traditionally does this, though.
- */
-asmlinkage long sys_pipe(int __user *fildes)
-{
-       int fd[2];
-       int error;
-
-       error = do_pipe(fd);
-       if (!error) {
-               if (copy_to_user(fildes, fd, 2*sizeof(int)))
-                       error = -EFAULT;
-       }
-       return error;
-}
-
-asmlinkage long sys_mmap(unsigned long addr, unsigned long len, unsigned long prot, unsigned long flags,
-       unsigned long fd, unsigned long off)
-{
-       long error;
-       struct file * file;
-
-       error = -EINVAL;
-       if (off & ~PAGE_MASK)
-               goto out;
-
-       error = -EBADF;
-       file = NULL;
-       flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE);
-       if (!(flags & MAP_ANONYMOUS)) {
-               file = fget(fd);
-               if (!file)
-                       goto out;
-       }
-       down_write(&current->mm->mmap_sem);
-       error = do_mmap_pgoff(file, addr, len, prot, flags, off >> PAGE_SHIFT);
-       up_write(&current->mm->mmap_sem);
-
-       if (file)
-               fput(file);
-out:
-       return error;
-}
-
-static void find_start_end(unsigned long flags, unsigned long *begin,
-                          unsigned long *end)
-{
-       if (!test_thread_flag(TIF_IA32) && (flags & MAP_32BIT)) {
-               /* This is usually used needed to map code in small
-                  model, so it needs to be in the first 31bit. Limit
-                  it to that.  This means we need to move the
-                  unmapped base down for this case. This can give
-                  conflicts with the heap, but we assume that glibc
-                  malloc knows how to fall back to mmap. Give it 1GB
-                  of playground for now. -AK */ 
-               *begin = 0x40000000; 
-               *end = 0x80000000;              
-       } else {
-               *begin = TASK_UNMAPPED_BASE;
-               *end = TASK_SIZE; 
-       }
-} 
-
-unsigned long
-arch_get_unmapped_area(struct file *filp, unsigned long addr,
-               unsigned long len, unsigned long pgoff, unsigned long flags)
-{
-       struct mm_struct *mm = current->mm;
-       struct vm_area_struct *vma;
-       unsigned long start_addr;
-       unsigned long begin, end;
-       
-       if (flags & MAP_FIXED)
-               return addr;
-
-       find_start_end(flags, &begin, &end); 
-
-       if (len > end)
-               return -ENOMEM;
-
-       if (addr) {
-               addr = PAGE_ALIGN(addr);
-               vma = find_vma(mm, addr);
-               if (end - len >= addr &&
-                   (!vma || addr + len <= vma->vm_start))
-                       return addr;
-       }
-       if (((flags & MAP_32BIT) || test_thread_flag(TIF_IA32))
-           && len <= mm->cached_hole_size) {
-               mm->cached_hole_size = 0;
-               mm->free_area_cache = begin;
-       }
-       addr = mm->free_area_cache;
-       if (addr < begin) 
-               addr = begin; 
-       start_addr = addr;
-
-full_search:
-       for (vma = find_vma(mm, addr); ; vma = vma->vm_next) {
-               /* At this point:  (!vma || addr < vma->vm_end). */
-               if (end - len < addr) {
-                       /*
-                        * Start a new search - just in case we missed
-                        * some holes.
-                        */
-                       if (start_addr != begin) {
-                               start_addr = addr = begin;
-                               mm->cached_hole_size = 0;
-                               goto full_search;
-                       }
-                       return -ENOMEM;
-               }
-               if (!vma || addr + len <= vma->vm_start) {
-                       /*
-                        * Remember the place where we stopped the search:
-                        */
-                       mm->free_area_cache = addr + len;
-                       return addr;
-               }
-               if (addr + mm->cached_hole_size < vma->vm_start)
-                       mm->cached_hole_size = vma->vm_start - addr;
-
-               addr = vma->vm_end;
-       }
-}
-
-asmlinkage long sys_uname(struct new_utsname __user * name)
-{
-       int err;
-       down_read(&uts_sem);
-       err = copy_to_user(name, utsname(), sizeof (*name));
-       up_read(&uts_sem);
-       if (personality(current->personality) == PER_LINUX32) 
-               err |= copy_to_user(&name->machine, "i686", 5);                 
-       return err ? -EFAULT : 0;
-}