Remove now unused eficall.S.

prodded by jsg@

diff --git a/sys/arch/amd64/stand/efiboot/eficall.S b/sys/arch/amd64/stand/efiboot/eficall.S
deleted file mode 100644 (file)
index debb8e0..0000000
--- a/sys/arch/amd64/stand/efiboot/eficall.S
+++ /dev/null
@@ -1,64 +0,0 @@
-/*     $OpenBSD: eficall.S,v 1.1 2015/09/02 01:52:25 yasuoka Exp $     */
-
-/*
- * Copyright (c) 2015 YASUOKA Masahiko <yasuoka@yasuoka.net>
- *
- * Permission to use, copy, modify, and distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
- * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
- * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
- * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- */
-
-#include <machine/asm.h>
-
-/*
- * Rearrange the arguments to call the given function by EFI ABI.
- *
- * efi_call(nargs, func, arg[0], arg[1], arg[2], arg[3], arg[4], ...)
- * ----------------------------------------------------------------------
- * BSD:     RDI    RSI   RDX     RCX     R8      R9      stack
- * EFI:     -      -     RCX     RDX     R8      R9      stack (w/shadow)
- */
-ENTRY(efi_call)
-       push    %rbp
-       mov     %rsp, %rbp
-
-       xchg    %rcx, %rdx
-       mov     %rcx, %rax
-       mov     %rdi, %rcx
-
-       /*
-        * set "nargs - 2 + 4 + 1" (= %rdi + 3) for next call stack size.
-        * (nargs - 2) is for arguments in stack, +4 for shadow registers
-        * and +1 for alignment
-        */
-       add     $3, %rdi
-
-       shl     $3, %rdi        /* 64-bit word */
-       sub     %rdi, %rsp      /* get the stack */
-       and     $(-0x10), %rsp  /* align 16 bytes */
-
-       /* copy args */
-       sub     $3, %rcx
-       cmp     $1, %rcx
-       jle     2f
-
-1:     /* loop arg[n-1] .. arg[4] */
-       mov     0x8(%rbp, %rcx, 8), %rdi
-       mov     %rdi, 0x18(%rsp, %rcx, 8)
-       loopnz  1b
-2:
-       mov     %rax, %rcx
-
-       call    *%rsi
-
-       mov     %rbp, %rsp
-       pop     %rbp
-       retq