9os

commit c368095cf1ba09b96cc1787f7ed7a4e805dad3d5
parent ecdf07d522ccf550a3763da83a8419dc91f79b62
Author: Dimitris Papastamos <dimitris.papastamos@arm.com>
Date:   Thu,  8 Nov 2018 14:33:30 +0000

[crt-posix] Simplify hosted crt

We were setting the SP so that we have better control over the bssmap
access.  Simplify the crt to use the kernel provided stack and we will
abstract access to the bssmap in libk.

Change-Id: I5e34f3ff00da2f8fff1c8ebdce284b08b09fc264
Signed-off-by: Dimitris Papastamos <dimitris.papastamos@arm.com>

Diffstat:
M
arch/amd64/crt-posix.s
 | 
8
--------

1 file changed, 0 insertions(+), 8 deletions(-)
diff --git a/arch/amd64/crt-posix.s b/arch/amd64/crt-posix.s
@@ -14,14 +14,6 @@ _start:
 	leaq	16(%rbp,%rax,8),%rcx    /* envp = argv + 8*argc + 8 */
 	movq	%rdx,_environ
 
-	movq	$stackend,%rsp          /* setup fake stack */
-
 	call	main
 	movl	%eax,%edi
 	jmp	exit
-
-	.data
-	.align	4096
-stack:	.space	3072
-stackend:
-bss:	.space	4096 - (stackend - stack)