sh: Move arch/sh64/kernel/sys_sh64.c to arch/sh/kernel/
authorPaul Mundt <lethal@linux-sh.org>
Sat, 10 Nov 2007 11:12:01 +0000 (20:12 +0900)
committerPaul Mundt <lethal@linux-sh.org>
Mon, 28 Jan 2008 04:18:43 +0000 (13:18 +0900)
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
arch/sh/kernel/Makefile_64
arch/sh/kernel/sys_sh64.c [new file with mode: 0644]
arch/sh64/kernel/sys_sh64.c [deleted file]

index 5f2711ae546863559b8d194977cc314c2cc0efc2..1f27d5fd99a83281b028e2b7e6a50cfb0fd1a061 100644 (file)
@@ -1,7 +1,7 @@
 extra-y        := head.o init_task.o vmlinux.lds
 
 obj-y  := debugtraps.o io.o io_generic.o irq.o machvec.o process_64.o \
-          ptrace_64.o semaphore.o setup.o signal_64.o sys_sh.o syscalls.o \
+          ptrace_64.o semaphore.o setup.o signal_64.o sys_sh64.o syscalls.o \
           time.o topology.o traps.o
 
 obj-y                          += cpu/ timers/
diff --git a/arch/sh/kernel/sys_sh64.c b/arch/sh/kernel/sys_sh64.c
new file mode 100644 (file)
index 0000000..de0a303
--- /dev/null
@@ -0,0 +1,304 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * arch/sh64/kernel/sys_sh64.c
+ *
+ * Copyright (C) 2000, 2001  Paolo Alberelli
+ *
+ * This file contains various random system calls that
+ * have a non-standard calling sequence on the Linux/SH5
+ * platform.
+ *
+ * Mostly taken from i386 version.
+ *
+ */
+
+#include <linux/errno.h>
+#include <linux/rwsem.h>
+#include <linux/sched.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/syscalls.h>
+#include <linux/ipc.h>
+#include <asm/uaccess.h>
+#include <asm/ptrace.h>
+#include <asm/unistd.h>
+
+#define REG_3  3
+
+/*
+ * sys_pipe() is the normal C calling standard for creating
+ * a pipe. It's not the way Unix traditionally does this, though.
+ */
+#ifdef NEW_PIPE_IMPLEMENTATION
+asmlinkage int sys_pipe(unsigned long * fildes,
+                       unsigned long   dummy_r3,
+                       unsigned long   dummy_r4,
+                       unsigned long   dummy_r5,
+                       unsigned long   dummy_r6,
+                       unsigned long   dummy_r7,
+                       struct pt_regs * regs)     /* r8 = pt_regs  forced by entry.S */
+{
+       int fd[2];
+       int ret;
+
+       ret = do_pipe(fd);
+       if (ret == 0)
+               /*
+                ***********************************************************************
+                *   To avoid the copy_to_user we prefer to break the ABIs convention, *
+                *   packing the valid pair of file IDs into a single register (r3);   *
+                *   while r2 is the return code as defined by the sh5-ABIs.           *
+                *   BE CAREFUL: pipe stub, into glibc, must be aware of this solution *
+                ***********************************************************************
+
+#ifdef __LITTLE_ENDIAN__
+               regs->regs[REG_3] = (((unsigned long long) fd[1]) << 32) | ((unsigned long long) fd[0]);
+#else
+               regs->regs[REG_3] = (((unsigned long long) fd[0]) << 32) | ((unsigned long long) fd[1]);
+#endif
+
+               */
+              /* although not very clever this is endianess independent */
+               regs->regs[REG_3] = (unsigned long long) *((unsigned long long *) fd);
+
+       return ret;
+}
+
+#else
+asmlinkage int sys_pipe(unsigned long * 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;
+}
+
+#endif
+
+/*
+ * To avoid cache alias, we map the shard page with same color.
+ */
+#define COLOUR_ALIGN(addr)     (((addr)+SHMLBA-1)&~(SHMLBA-1))
+
+unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr,
+       unsigned long len, unsigned long pgoff, unsigned long flags)
+{
+       struct vm_area_struct *vma;
+
+       if (flags & MAP_FIXED) {
+               /* We do not accept a shared mapping if it would violate
+                * cache aliasing constraints.
+                */
+               if ((flags & MAP_SHARED) && (addr & (SHMLBA - 1)))
+                       return -EINVAL;
+               return addr;
+       }
+
+       if (len > TASK_SIZE)
+               return -ENOMEM;
+       if (!addr)
+               addr = TASK_UNMAPPED_BASE;
+
+       if (flags & MAP_PRIVATE)
+               addr = PAGE_ALIGN(addr);
+       else
+               addr = COLOUR_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;
+               if (!(flags & MAP_PRIVATE))
+                       addr = COLOUR_ALIGN(addr);
+       }
+}
+
+/* common code for old and new mmaps */
+static inline long do_mmap2(
+       unsigned long addr, unsigned long len,
+       unsigned long prot, unsigned long flags,
+       unsigned long fd, unsigned long pgoff)
+{
+       int error = -EBADF;
+       struct file * 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, pgoff);
+       up_write(&current->mm->mmap_sem);
+
+       if (file)
+               fput(file);
+out:
+       return error;
+}
+
+asmlinkage long sys_mmap2(unsigned long addr, unsigned long len,
+       unsigned long prot, unsigned long flags,
+       unsigned long fd, unsigned long pgoff)
+{
+       return do_mmap2(addr, len, prot, flags, fd, pgoff);
+}
+
+asmlinkage int old_mmap(unsigned long addr, unsigned long len,
+       unsigned long prot, unsigned long flags,
+       int fd, unsigned long off)
+{
+       if (off & ~PAGE_MASK)
+               return -EINVAL;
+       return do_mmap2(addr, len, prot, flags, fd, off>>PAGE_SHIFT);
+}
+
+/*
+ * sys_ipc() is the de-multiplexer for the SysV IPC calls..
+ *
+ * This is really horribly ugly.
+ */
+asmlinkage int sys_ipc(uint call, int first, int second,
+                      int third, void __user *ptr, long fifth)
+{
+       int version, ret;
+
+       version = call >> 16; /* hack for backward compatibility */
+       call &= 0xffff;
+
+       if (call <= SEMCTL)
+               switch (call) {
+               case SEMOP:
+                       return sys_semtimedop(first, (struct sembuf __user *)ptr,
+                                             second, NULL);
+               case SEMTIMEDOP:
+                       return sys_semtimedop(first, (struct sembuf __user *)ptr,
+                                             second,
+                                             (const struct timespec __user *)fifth);
+               case SEMGET:
+                       return sys_semget (first, second, third);
+               case SEMCTL: {
+                       union semun fourth;
+                       if (!ptr)
+                               return -EINVAL;
+                       if (get_user(fourth.__pad, (void * __user *) ptr))
+                               return -EFAULT;
+                       return sys_semctl (first, second, third, fourth);
+                       }
+               default:
+                       return -EINVAL;
+               }
+
+       if (call <= MSGCTL)
+               switch (call) {
+               case MSGSND:
+                       return sys_msgsnd (first, (struct msgbuf __user *) ptr,
+                                         second, third);
+               case MSGRCV:
+                       switch (version) {
+                       case 0: {
+                               struct ipc_kludge tmp;
+                               if (!ptr)
+                                       return -EINVAL;
+
+                               if (copy_from_user(&tmp,
+                                                  (struct ipc_kludge __user *) ptr,
+                                                  sizeof (tmp)))
+                                       return -EFAULT;
+                               return sys_msgrcv (first, tmp.msgp, second,
+                                                  tmp.msgtyp, third);
+                               }
+                       default:
+                               return sys_msgrcv (first,
+                                                  (struct msgbuf __user *) ptr,
+                                                  second, fifth, third);
+                       }
+               case MSGGET:
+                       return sys_msgget ((key_t) first, second);
+               case MSGCTL:
+                       return sys_msgctl (first, second,
+                                          (struct msqid_ds __user *) ptr);
+               default:
+                       return -EINVAL;
+               }
+       if (call <= SHMCTL)
+               switch (call) {
+               case SHMAT:
+                       switch (version) {
+                       default: {
+                               ulong raddr;
+                               ret = do_shmat (first, (char __user *) ptr,
+                                                second, &raddr);
+                               if (ret)
+                                       return ret;
+                               return put_user (raddr, (ulong __user *) third);
+                       }
+                       case 1: /* iBCS2 emulator entry point */
+                               if (!segment_eq(get_fs(), get_ds()))
+                                       return -EINVAL;
+                               return do_shmat (first, (char __user *) ptr,
+                                                 second, (ulong *) third);
+                       }
+               case SHMDT:
+                       return sys_shmdt ((char __user *)ptr);
+               case SHMGET:
+                       return sys_shmget (first, second, third);
+               case SHMCTL:
+                       return sys_shmctl (first, second,
+                                          (struct shmid_ds __user *) ptr);
+               default:
+                       return -EINVAL;
+               }
+
+       return -EINVAL;
+}
+
+asmlinkage int sys_uname(struct old_utsname * name)
+{
+       int err;
+       if (!name)
+               return -EFAULT;
+       down_read(&uts_sem);
+       err = copy_to_user(name, utsname(), sizeof (*name));
+       up_read(&uts_sem);
+       return err?-EFAULT:0;
+}
+
+/*
+ * Do a system call from kernel instead of calling sys_execve so we
+ * end up with proper pt_regs.
+ */
+int kernel_execve(const char *filename, char *const argv[], char *const envp[])
+{
+       register unsigned long __sc0 __asm__ ("r9") = ((0x13 << 16) | __NR_execve);
+       register unsigned long __sc2 __asm__ ("r2") = (unsigned long) filename;
+       register unsigned long __sc3 __asm__ ("r3") = (unsigned long) argv;
+       register unsigned long __sc4 __asm__ ("r4") = (unsigned long) envp;
+       __asm__ __volatile__ ("trapa    %1 !\t\t\t execve(%2,%3,%4)"
+       : "=r" (__sc0)
+       : "r" (__sc0), "r" (__sc2), "r" (__sc3), "r" (__sc4) );
+       __asm__ __volatile__ ("!dummy   %0 %1 %2 %3"
+       : : "r" (__sc0), "r" (__sc2), "r" (__sc3), "r" (__sc4) : "memory");
+       return __sc0;
+}
diff --git a/arch/sh64/kernel/sys_sh64.c b/arch/sh64/kernel/sys_sh64.c
deleted file mode 100644 (file)
index de0a303..0000000
+++ /dev/null
@@ -1,304 +0,0 @@
-/*
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * arch/sh64/kernel/sys_sh64.c
- *
- * Copyright (C) 2000, 2001  Paolo Alberelli
- *
- * This file contains various random system calls that
- * have a non-standard calling sequence on the Linux/SH5
- * platform.
- *
- * Mostly taken from i386 version.
- *
- */
-
-#include <linux/errno.h>
-#include <linux/rwsem.h>
-#include <linux/sched.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/syscalls.h>
-#include <linux/ipc.h>
-#include <asm/uaccess.h>
-#include <asm/ptrace.h>
-#include <asm/unistd.h>
-
-#define REG_3  3
-
-/*
- * sys_pipe() is the normal C calling standard for creating
- * a pipe. It's not the way Unix traditionally does this, though.
- */
-#ifdef NEW_PIPE_IMPLEMENTATION
-asmlinkage int sys_pipe(unsigned long * fildes,
-                       unsigned long   dummy_r3,
-                       unsigned long   dummy_r4,
-                       unsigned long   dummy_r5,
-                       unsigned long   dummy_r6,
-                       unsigned long   dummy_r7,
-                       struct pt_regs * regs)     /* r8 = pt_regs  forced by entry.S */
-{
-       int fd[2];
-       int ret;
-
-       ret = do_pipe(fd);
-       if (ret == 0)
-               /*
-                ***********************************************************************
-                *   To avoid the copy_to_user we prefer to break the ABIs convention, *
-                *   packing the valid pair of file IDs into a single register (r3);   *
-                *   while r2 is the return code as defined by the sh5-ABIs.           *
-                *   BE CAREFUL: pipe stub, into glibc, must be aware of this solution *
-                ***********************************************************************
-
-#ifdef __LITTLE_ENDIAN__
-               regs->regs[REG_3] = (((unsigned long long) fd[1]) << 32) | ((unsigned long long) fd[0]);
-#else
-               regs->regs[REG_3] = (((unsigned long long) fd[0]) << 32) | ((unsigned long long) fd[1]);
-#endif
-
-               */
-              /* although not very clever this is endianess independent */
-               regs->regs[REG_3] = (unsigned long long) *((unsigned long long *) fd);
-
-       return ret;
-}
-
-#else
-asmlinkage int sys_pipe(unsigned long * 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;
-}
-
-#endif
-
-/*
- * To avoid cache alias, we map the shard page with same color.
- */
-#define COLOUR_ALIGN(addr)     (((addr)+SHMLBA-1)&~(SHMLBA-1))
-
-unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr,
-       unsigned long len, unsigned long pgoff, unsigned long flags)
-{
-       struct vm_area_struct *vma;
-
-       if (flags & MAP_FIXED) {
-               /* We do not accept a shared mapping if it would violate
-                * cache aliasing constraints.
-                */
-               if ((flags & MAP_SHARED) && (addr & (SHMLBA - 1)))
-                       return -EINVAL;
-               return addr;
-       }
-
-       if (len > TASK_SIZE)
-               return -ENOMEM;
-       if (!addr)
-               addr = TASK_UNMAPPED_BASE;
-
-       if (flags & MAP_PRIVATE)
-               addr = PAGE_ALIGN(addr);
-       else
-               addr = COLOUR_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;
-               if (!(flags & MAP_PRIVATE))
-                       addr = COLOUR_ALIGN(addr);
-       }
-}
-
-/* common code for old and new mmaps */
-static inline long do_mmap2(
-       unsigned long addr, unsigned long len,
-       unsigned long prot, unsigned long flags,
-       unsigned long fd, unsigned long pgoff)
-{
-       int error = -EBADF;
-       struct file * 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, pgoff);
-       up_write(&current->mm->mmap_sem);
-
-       if (file)
-               fput(file);
-out:
-       return error;
-}
-
-asmlinkage long sys_mmap2(unsigned long addr, unsigned long len,
-       unsigned long prot, unsigned long flags,
-       unsigned long fd, unsigned long pgoff)
-{
-       return do_mmap2(addr, len, prot, flags, fd, pgoff);
-}
-
-asmlinkage int old_mmap(unsigned long addr, unsigned long len,
-       unsigned long prot, unsigned long flags,
-       int fd, unsigned long off)
-{
-       if (off & ~PAGE_MASK)
-               return -EINVAL;
-       return do_mmap2(addr, len, prot, flags, fd, off>>PAGE_SHIFT);
-}
-
-/*
- * sys_ipc() is the de-multiplexer for the SysV IPC calls..
- *
- * This is really horribly ugly.
- */
-asmlinkage int sys_ipc(uint call, int first, int second,
-                      int third, void __user *ptr, long fifth)
-{
-       int version, ret;
-
-       version = call >> 16; /* hack for backward compatibility */
-       call &= 0xffff;
-
-       if (call <= SEMCTL)
-               switch (call) {
-               case SEMOP:
-                       return sys_semtimedop(first, (struct sembuf __user *)ptr,
-                                             second, NULL);
-               case SEMTIMEDOP:
-                       return sys_semtimedop(first, (struct sembuf __user *)ptr,
-                                             second,
-                                             (const struct timespec __user *)fifth);
-               case SEMGET:
-                       return sys_semget (first, second, third);
-               case SEMCTL: {
-                       union semun fourth;
-                       if (!ptr)
-                               return -EINVAL;
-                       if (get_user(fourth.__pad, (void * __user *) ptr))
-                               return -EFAULT;
-                       return sys_semctl (first, second, third, fourth);
-                       }
-               default:
-                       return -EINVAL;
-               }
-
-       if (call <= MSGCTL)
-               switch (call) {
-               case MSGSND:
-                       return sys_msgsnd (first, (struct msgbuf __user *) ptr,
-                                         second, third);
-               case MSGRCV:
-                       switch (version) {
-                       case 0: {
-                               struct ipc_kludge tmp;
-                               if (!ptr)
-                                       return -EINVAL;
-
-                               if (copy_from_user(&tmp,
-                                                  (struct ipc_kludge __user *) ptr,
-                                                  sizeof (tmp)))
-                                       return -EFAULT;
-                               return sys_msgrcv (first, tmp.msgp, second,
-                                                  tmp.msgtyp, third);
-                               }
-                       default:
-                               return sys_msgrcv (first,
-                                                  (struct msgbuf __user *) ptr,
-                                                  second, fifth, third);
-                       }
-               case MSGGET:
-                       return sys_msgget ((key_t) first, second);
-               case MSGCTL:
-                       return sys_msgctl (first, second,
-                                          (struct msqid_ds __user *) ptr);
-               default:
-                       return -EINVAL;
-               }
-       if (call <= SHMCTL)
-               switch (call) {
-               case SHMAT:
-                       switch (version) {
-                       default: {
-                               ulong raddr;
-                               ret = do_shmat (first, (char __user *) ptr,
-                                                second, &raddr);
-                               if (ret)
-                                       return ret;
-                               return put_user (raddr, (ulong __user *) third);
-                       }
-                       case 1: /* iBCS2 emulator entry point */
-                               if (!segment_eq(get_fs(), get_ds()))
-                                       return -EINVAL;
-                               return do_shmat (first, (char __user *) ptr,
-                                                 second, (ulong *) third);
-                       }
-               case SHMDT:
-                       return sys_shmdt ((char __user *)ptr);
-               case SHMGET:
-                       return sys_shmget (first, second, third);
-               case SHMCTL:
-                       return sys_shmctl (first, second,
-                                          (struct shmid_ds __user *) ptr);
-               default:
-                       return -EINVAL;
-               }
-
-       return -EINVAL;
-}
-
-asmlinkage int sys_uname(struct old_utsname * name)
-{
-       int err;
-       if (!name)
-               return -EFAULT;
-       down_read(&uts_sem);
-       err = copy_to_user(name, utsname(), sizeof (*name));
-       up_read(&uts_sem);
-       return err?-EFAULT:0;
-}
-
-/*
- * Do a system call from kernel instead of calling sys_execve so we
- * end up with proper pt_regs.
- */
-int kernel_execve(const char *filename, char *const argv[], char *const envp[])
-{
-       register unsigned long __sc0 __asm__ ("r9") = ((0x13 << 16) | __NR_execve);
-       register unsigned long __sc2 __asm__ ("r2") = (unsigned long) filename;
-       register unsigned long __sc3 __asm__ ("r3") = (unsigned long) argv;
-       register unsigned long __sc4 __asm__ ("r4") = (unsigned long) envp;
-       __asm__ __volatile__ ("trapa    %1 !\t\t\t execve(%2,%3,%4)"
-       : "=r" (__sc0)
-       : "r" (__sc0), "r" (__sc2), "r" (__sc3), "r" (__sc4) );
-       __asm__ __volatile__ ("!dummy   %0 %1 %2 %3"
-       : : "r" (__sc0), "r" (__sc2), "r" (__sc3), "r" (__sc4) : "memory");
-       return __sc0;
-}