diff options
Diffstat (limited to 'x86_64/locore.S')
| -rw-r--r-- | x86_64/locore.S | 81 |
1 files changed, 0 insertions, 81 deletions
diff --git a/x86_64/locore.S b/x86_64/locore.S index f81886da..21a3e373 100644 --- a/x86_64/locore.S +++ b/x86_64/locore.S @@ -1329,48 +1329,6 @@ copyin_fail: movq $1,%rax /* return 1 for failure */ jmp copyin_ret /* pop frame and return */ -/* - * Copy from user address space - version for copying messages. - * arg0: user address - * arg1: kernel address - * arg2: byte count - */ -ENTRY(copyinmsg) - xchgq %rsi,%rdi /* Get user source and kernel destination */ - movl %edx,MSGH_MSGH_SIZE(%rdi) /* set msgh_size already */ - -/* 32 on 64 conversion */ - subq $32,%rdx - js bogus - - /* Copy msgh_bits */ - RECOVER(copyin_fail) - movsl - - /* Copy msgh_size */ - RECOVER(copyin_fail) - lodsl - /* But don't actually store it: we have already set it above to what we - really copy */ - addq $4,%rdi - - xorq %rax,%rax - /* Copy msgh_remote_port */ - RECOVER(copyin_fail) - lodsl - stosq - - /* Copy msgh_local_port */ - RECOVER(copyin_fail) - lodsl - stosq - - /* Copy msgh_seqno and msgh_id */ - RECOVER(copyin_fail) - movsq - - jmp copyin_remainder - bogus: ud2 @@ -1400,45 +1358,6 @@ copyout_fail: jmp copyout_ret /* pop frame and return */ /* - * Copy to user address space. - * arg0: kernel address - * arg1: user address - * arg2: byte count - */ -ENTRY(copyoutmsg) - xchgq %rsi,%rdi /* Get user source and kernel destination */ - -/* 32 on 64 conversion */ - subq $32,%rdx - js bogus - - /* Copy msgh_bits */ - RECOVER(copyout_fail) - movsl - - /* Copy msgh_size */ - lodsl - subl $8,%eax - RECOVER(copyout_fail) - stosl - - /* Copy msgh_remote_port */ - lodsq - RECOVER(copyout_fail) - stosl - - /* Copy msgh_local_port */ - lodsq - RECOVER(copyout_fail) - stosl - - /* Copy msgh_seqno and msgh_id */ - RECOVER(copyout_fail) - movsq - - jmp copyin_remainder - -/* * int inst_fetch(int eip, int cs); * * Fetch instruction byte. Return -1 if invalid address. |