Update upstream source from tag 'upstream/15.3'debian/15.3-1

Update to upstream version '15.3'
with Debian dir 1b484f1c1ac270604a5a1451b34de4b0865c6211

1 files changed, 77 insertions, 0 deletions

diff --git a/gnu-efi/gnuefi/crt0-efi-ia32.S b/gnu-efi/gnuefi/crt0-efi-ia32.S
new file mode 100644
index 00000000..2c567461
--- /dev/null
+++ b/gnu-efi/gnuefi/crt0-efi-ia32.S
@@ -0,0 +1,77 @@
+/* crt0-efi-ia32.S - x86 EFI startup code.
+   Copyright (C) 1999 Hewlett-Packard Co.
+	Contributed by David Mosberger <davidm@hpl.hp.com>.
+
+    All rights reserved.
+
+    Redistribution and use in source and binary forms, with or without
+    modification, are permitted provided that the following conditions
+    are met:
+
+    * Redistributions of source code must retain the above copyright
+      notice, this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above
+      copyright notice, this list of conditions and the following
+      disclaimer in the documentation and/or other materials
+      provided with the distribution.
+    * Neither the name of Hewlett-Packard Co. nor the names of its
+      contributors may be used to endorse or promote products derived
+      from this software without specific prior written permission.
+
+    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
+    CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
+    INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+    MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+    DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
+    BE LIABLE FOR ANYDIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
+    OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+    PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+    PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+    THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
+    TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
+    THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+    SUCH DAMAGE.
+*/
+
+	.text
+	.align 4
+
+	.globl _start
+_start:
+	pushl %ebp
+	movl %esp,%ebp
+
+	pushl 12(%ebp)			# copy "image" argument
+	pushl  8(%ebp)			# copy "systab" argument
+
+	call 0f
+0:	popl %eax
+	movl %eax,%ebx
+
+	addl $ImageBase-0b,%eax		# %eax = ldbase
+	addl $_DYNAMIC-0b,%ebx		# %ebx = _DYNAMIC
+
+	pushl %ebx			# pass _DYNAMIC as second argument
+	pushl %eax			# pass ldbase as first argument
+	call _relocate
+	popl %ebx
+	popl %ebx
+ 	testl %eax,%eax
+ 	jne .exit
+  
+  	call efi_main			# call app with "image" and "systab" argument
+
+.exit:	leave
+  	ret
+ 
+	// hand-craft a dummy .reloc section so EFI knows it's a relocatable executable:
+	.data
+.dummy0:
+.dummy1:
+	.long	0
+
+#define IMAGE_REL_ABSOLUTE	0
+	.section .reloc, "a"
+	.long	.dummy1-.dummy0				// Page RVA
+	.long	10					// Block Size (2*4+2)
+	.word	(IMAGE_REL_ABSOLUTE<<12) +  0		// reloc for dummy