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-rw-r--r--qemu/bsd-user/uaccess.c65
1 files changed, 0 insertions, 65 deletions
diff --git a/qemu/bsd-user/uaccess.c b/qemu/bsd-user/uaccess.c
deleted file mode 100644
index 91e206793..000000000
--- a/qemu/bsd-user/uaccess.c
+++ /dev/null
@@ -1,65 +0,0 @@
-/* User memory access */
-#include "qemu/osdep.h"
-#include "qemu/cutils.h"
-
-#include "qemu.h"
-
-/* copy_from_user() and copy_to_user() are usually used to copy data
- * buffers between the target and host. These internally perform
- * locking/unlocking of the memory.
- */
-abi_long copy_from_user(void *hptr, abi_ulong gaddr, size_t len)
-{
- abi_long ret = 0;
- void *ghptr;
-
- if ((ghptr = lock_user(VERIFY_READ, gaddr, len, 1))) {
- memcpy(hptr, ghptr, len);
- unlock_user(ghptr, gaddr, 0);
- } else
- ret = -TARGET_EFAULT;
-
- return ret;
-}
-
-
-abi_long copy_to_user(abi_ulong gaddr, void *hptr, size_t len)
-{
- abi_long ret = 0;
- void *ghptr;
-
- if ((ghptr = lock_user(VERIFY_WRITE, gaddr, len, 0))) {
- memcpy(ghptr, hptr, len);
- unlock_user(ghptr, gaddr, len);
- } else
- ret = -TARGET_EFAULT;
-
- return ret;
-}
-
-/* Return the length of a string in target memory or -TARGET_EFAULT if
- access error */
-abi_long target_strlen(abi_ulong guest_addr1)
-{
- uint8_t *ptr;
- abi_ulong guest_addr;
- int max_len, len;
-
- guest_addr = guest_addr1;
- for(;;) {
- max_len = TARGET_PAGE_SIZE - (guest_addr & ~TARGET_PAGE_MASK);
- ptr = lock_user(VERIFY_READ, guest_addr, max_len, 1);
- if (!ptr)
- return -TARGET_EFAULT;
- len = qemu_strnlen((const char *)ptr, max_len);
- unlock_user(ptr, guest_addr, 0);
- guest_addr += len;
- /* we don't allow wrapping or integer overflow */
- if (guest_addr == 0 ||
- (guest_addr - guest_addr1) > 0x7fffffff)
- return -TARGET_EFAULT;
- if (len != max_len)
- break;
- }
- return guest_addr - guest_addr1;
-}