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author | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
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committer | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
commit | 871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch) | |
tree | 8718f573808810c2a1e8cb8fb6ac469093ca2784 /ANDROID_3.4.5/arch/parisc/kernel/sys_parisc.c | |
parent | 9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff) | |
download | FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.tar.gz FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.tar.bz2 FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.zip |
Moved, renamed, and deleted files
The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.
Diffstat (limited to 'ANDROID_3.4.5/arch/parisc/kernel/sys_parisc.c')
-rw-r--r-- | ANDROID_3.4.5/arch/parisc/kernel/sys_parisc.c | 236 |
1 files changed, 0 insertions, 236 deletions
diff --git a/ANDROID_3.4.5/arch/parisc/kernel/sys_parisc.c b/ANDROID_3.4.5/arch/parisc/kernel/sys_parisc.c deleted file mode 100644 index c9b93226..00000000 --- a/ANDROID_3.4.5/arch/parisc/kernel/sys_parisc.c +++ /dev/null @@ -1,236 +0,0 @@ - -/* - * PARISC specific syscalls - * - * Copyright (C) 1999-2003 Matthew Wilcox <willy at parisc-linux.org> - * Copyright (C) 2000-2003 Paul Bame <bame at parisc-linux.org> - * Copyright (C) 2001 Thomas Bogendoerfer <tsbogend at parisc-linux.org> - * - * - * 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. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#include <asm/uaccess.h> -#include <linux/file.h> -#include <linux/fs.h> -#include <linux/linkage.h> -#include <linux/mm.h> -#include <linux/mman.h> -#include <linux/shm.h> -#include <linux/syscalls.h> -#include <linux/utsname.h> -#include <linux/personality.h> - -static unsigned long get_unshared_area(unsigned long addr, unsigned long len) -{ - struct vm_area_struct *vma; - - addr = PAGE_ALIGN(addr); - - for (vma = find_vma(current->mm, addr); ; vma = vma->vm_next) { - /* At this point: (!vma || addr < vma->vm_end). */ - if (TASK_SIZE - len < addr) - return -ENOMEM; - if (!vma || addr + len <= vma->vm_start) - return addr; - addr = vma->vm_end; - } -} - -#define DCACHE_ALIGN(addr) (((addr) + (SHMLBA - 1)) &~ (SHMLBA - 1)) - -/* - * We need to know the offset to use. Old scheme was to look for - * existing mapping and use the same offset. New scheme is to use the - * address of the kernel data structure as the seed for the offset. - * We'll see how that works... - * - * The mapping is cacheline aligned, so there's no information in the bottom - * few bits of the address. We're looking for 10 bits (4MB / 4k), so let's - * drop the bottom 8 bits and use bits 8-17. - */ -static int get_offset(struct address_space *mapping) -{ - int offset = (unsigned long) mapping << (PAGE_SHIFT - 8); - return offset & 0x3FF000; -} - -static unsigned long get_shared_area(struct address_space *mapping, - unsigned long addr, unsigned long len, unsigned long pgoff) -{ - struct vm_area_struct *vma; - int offset = mapping ? get_offset(mapping) : 0; - - addr = DCACHE_ALIGN(addr - offset) + offset; - - for (vma = find_vma(current->mm, addr); ; vma = vma->vm_next) { - /* At this point: (!vma || addr < vma->vm_end). */ - if (TASK_SIZE - len < addr) - return -ENOMEM; - if (!vma || addr + len <= vma->vm_start) - return addr; - addr = DCACHE_ALIGN(vma->vm_end - offset) + offset; - if (addr < vma->vm_end) /* handle wraparound */ - return -ENOMEM; - } -} - -unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, - unsigned long len, unsigned long pgoff, unsigned long flags) -{ - if (len > TASK_SIZE) - return -ENOMEM; - /* Might want to check for cache aliasing issues for MAP_FIXED case - * like ARM or MIPS ??? --BenH. - */ - if (flags & MAP_FIXED) - return addr; - if (!addr) - addr = TASK_UNMAPPED_BASE; - - if (filp) { - addr = get_shared_area(filp->f_mapping, addr, len, pgoff); - } else if(flags & MAP_SHARED) { - addr = get_shared_area(NULL, addr, len, pgoff); - } else { - addr = get_unshared_area(addr, len); - } - return addr; -} - -asmlinkage unsigned long sys_mmap2(unsigned long addr, unsigned long len, - unsigned long prot, unsigned long flags, unsigned long fd, - unsigned long pgoff) -{ - /* Make sure the shift for mmap2 is constant (12), no matter what PAGE_SIZE - we have. */ - return sys_mmap_pgoff(addr, len, prot, flags, fd, - pgoff >> (PAGE_SHIFT - 12)); -} - -asmlinkage unsigned long sys_mmap(unsigned long addr, unsigned long len, - unsigned long prot, unsigned long flags, unsigned long fd, - unsigned long offset) -{ - if (!(offset & ~PAGE_MASK)) { - return sys_mmap_pgoff(addr, len, prot, flags, fd, - offset >> PAGE_SHIFT); - } else { - return -EINVAL; - } -} - -/* Fucking broken ABI */ - -#ifdef CONFIG_64BIT -asmlinkage long parisc_truncate64(const char __user * path, - unsigned int high, unsigned int low) -{ - return sys_truncate(path, (long)high << 32 | low); -} - -asmlinkage long parisc_ftruncate64(unsigned int fd, - unsigned int high, unsigned int low) -{ - return sys_ftruncate(fd, (long)high << 32 | low); -} - -/* stubs for the benefit of the syscall_table since truncate64 and truncate - * are identical on LP64 */ -asmlinkage long sys_truncate64(const char __user * path, unsigned long length) -{ - return sys_truncate(path, length); -} -asmlinkage long sys_ftruncate64(unsigned int fd, unsigned long length) -{ - return sys_ftruncate(fd, length); -} -asmlinkage long sys_fcntl64(unsigned int fd, unsigned int cmd, unsigned long arg) -{ - return sys_fcntl(fd, cmd, arg); -} -#else - -asmlinkage long parisc_truncate64(const char __user * path, - unsigned int high, unsigned int low) -{ - return sys_truncate64(path, (loff_t)high << 32 | low); -} - -asmlinkage long parisc_ftruncate64(unsigned int fd, - unsigned int high, unsigned int low) -{ - return sys_ftruncate64(fd, (loff_t)high << 32 | low); -} -#endif - -asmlinkage ssize_t parisc_pread64(unsigned int fd, char __user *buf, size_t count, - unsigned int high, unsigned int low) -{ - return sys_pread64(fd, buf, count, (loff_t)high << 32 | low); -} - -asmlinkage ssize_t parisc_pwrite64(unsigned int fd, const char __user *buf, - size_t count, unsigned int high, unsigned int low) -{ - return sys_pwrite64(fd, buf, count, (loff_t)high << 32 | low); -} - -asmlinkage ssize_t parisc_readahead(int fd, unsigned int high, unsigned int low, - size_t count) -{ - return sys_readahead(fd, (loff_t)high << 32 | low, count); -} - -asmlinkage long parisc_fadvise64_64(int fd, - unsigned int high_off, unsigned int low_off, - unsigned int high_len, unsigned int low_len, int advice) -{ - return sys_fadvise64_64(fd, (loff_t)high_off << 32 | low_off, - (loff_t)high_len << 32 | low_len, advice); -} - -asmlinkage long parisc_sync_file_range(int fd, - u32 hi_off, u32 lo_off, u32 hi_nbytes, u32 lo_nbytes, - unsigned int flags) -{ - return sys_sync_file_range(fd, (loff_t)hi_off << 32 | lo_off, - (loff_t)hi_nbytes << 32 | lo_nbytes, flags); -} - -asmlinkage unsigned long sys_alloc_hugepages(int key, unsigned long addr, unsigned long len, int prot, int flag) -{ - return -ENOMEM; -} - -asmlinkage int sys_free_hugepages(unsigned long addr) -{ - return -EINVAL; -} - -long parisc_personality(unsigned long personality) -{ - long err; - - if (personality(current->personality) == PER_LINUX32 - && personality == PER_LINUX) - personality = PER_LINUX32; - - err = sys_personality(personality); - if (err == PER_LINUX32) - err = PER_LINUX; - - return err; -} |