move x86 copy_user.[ch] to ipc/ and make it arch-indipendent

Message-ID: <20240309140244.347835-3-luca@orpolo.org>

1 files changed, 0 insertions, 100 deletions

diff --git a/i386/i386/copy_user.h b/i386/i386/copy_user.h
deleted file mode 100644
index 3d1c7278..00000000
--- a/i386/i386/copy_user.h
+++ /dev/null
@@ -1,100 +0,0 @@
-/*
- *  Copyright (C) 2023 Free Software Foundation
- *
- * 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 the program ; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-#ifndef COPY_USER_H
-#define COPY_USER_H
-
-#include <stdint.h>
-#include <sys/types.h>
-
-#include <machine/locore.h>
-#include <mach/message.h>
-
-/*
- * The copyin_32to64() and copyout_64to32() routines are meant for data types
- * that have different size in kernel and user space. They should be independent
- * of endianness and hopefully can be reused in the future on other archs.
- * These types are e.g.:
- * - port names vs port pointers, on a 64-bit kernel
- * - memory addresses, on a 64-bit kernel and 32-bit user
- */
-
-static inline int copyin_32to64(const uint32_t *uaddr, uint64_t *kaddr)
-{
-  uint32_t rkaddr;
-  int ret;
-  ret = copyin(uaddr, &rkaddr, sizeof(uint32_t));
-  if (ret)
-    return ret;
-  *kaddr = rkaddr;
-  return 0;
-}
-
-static inline int copyout_64to32(const uint64_t *kaddr, uint32_t *uaddr)
-{
-  uint32_t rkaddr=*kaddr;
-  return copyout(&rkaddr, uaddr, sizeof(uint32_t));
-}
-
-static inline int copyin_address(const rpc_vm_offset_t *uaddr, vm_offset_t *kaddr)
-{
-#ifdef USER32
-  return copyin_32to64(uaddr, kaddr);
-#else /* USER32 */
-  return copyin(uaddr, kaddr, sizeof(*uaddr));
-#endif /* USER32 */
-}
-
-static inline int copyout_address(const vm_offset_t *kaddr, rpc_vm_offset_t *uaddr)
-{
-#ifdef USER32
-  return copyout_64to32(kaddr, uaddr);
-#else /* USER32 */
-  return copyout(kaddr, uaddr, sizeof(*kaddr));
-#endif /* USER32 */
-}
-
-static inline int copyin_port(const mach_port_name_t *uaddr, mach_port_t *kaddr)
-{
-#ifdef __x86_64__
-  return copyin_32to64(uaddr, kaddr);
-#else /* __x86_64__ */
-  return copyin(uaddr, kaddr, sizeof(*uaddr));
-#endif /* __x86_64__ */
-}
-
-static inline int copyout_port(const mach_port_t *kaddr, mach_port_name_t *uaddr)
-{
-#ifdef __x86_64__
-  return copyout_64to32(kaddr, uaddr);
-#else /* __x86_64__ */
-  return copyout(kaddr, uaddr, sizeof(*kaddr));
-#endif /* __x86_64__ */
-}
-
-#if defined(__x86_64__) && defined(USER32)
-/* For 32 bit userland, kernel and user land messages are not the same size. */
-size_t msg_usize(const mach_msg_header_t *kmsg);
-#else
-static inline size_t msg_usize(const mach_msg_header_t *kmsg)
-{
-  return kmsg->msgh_size;
-}
-#endif /* __x86_64__ && USER32 */
-
-#endif /* COPY_USER_H */