moved everything to chookspace

gnu-efi/gnuefi/crt0-efi-ia64.S

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+/* crt0-efi-ia64.S - IA-64 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
+	.psr abi64
+	.psr lsb
+	.lsb
+
+	.proc _start
+_start:
+	alloc loc0=ar.pfs,2,2,2,0
+	mov loc1=rp
+	movl out0=@gprel(ImageBase)	// out0 <- ImageBase (ldbase)
+	;;
+	add out0=out0,gp
+	movl out1=@gprel(_DYNAMIC)	// out1 <- _DYNAMIC
+	;;		// avoid WAW on CFM
+	add out1=out1,gp
+	br.call.sptk.few rp=_relocate
+.Lret0:	
+	cmp.ne p6,p0=r0,r8		// r8 == EFI_SUCCESS?
+(p6)	br.cond.sptk.few .exit		// no ->
+
+.Lret1:
+
+	mov out0=in0			// image handle
+	mov out1=in1			// systab
+	br.call.sptk.few rp=efi_main
+.Lret2:
+.exit:
+	mov ar.pfs=loc0
+	mov rp=loc1
+	;;
+	br.ret.sptk.few rp
+
+	.endp _start
+
+
+	// PE32+ wants a PLABEL, not the code address of the entry point:
+
+	.align 16
+	.global _start_plabel
+	.section .plabel, "a"
+_start_plabel:
+	data8	_start
+	data8	__gp
+
+	// hand-craft a .reloc section for the plabel:
+
+#define IMAGE_REL_BASED_DIR64	10
+
+	.section .reloc, "a"
+	data4	_start_plabel				// Page RVA
+	data4	12					// Block Size (2*4+2*2)
+	data2	(IMAGE_REL_BASED_DIR64<<12) +  0	// reloc for plabel's entry point
+	data2	(IMAGE_REL_BASED_DIR64<<12) +  8	// reloc for plabel's global pointer