From: Michael Brown <mcb30@ipxe.org>
Date: Thu, 18 Feb 2016 15:56:41 +0000 (+0000)
Subject: [bios] Use an 8kB stack for x86_64
X-Git-Tag: v1.20.1~590
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f0ea1f4d77e77a0d163ee34491006edded111b03;p=thirdparty%2Fipxe.git

[bios] Use an 8kB stack for x86_64

Signed-off-by: Michael Brown <mcb30@ipxe.org>
---

diff --git a/src/arch/x86/core/stack.S b/src/arch/x86/core/stack.S
index 98f1cd9b9..995c397ca 100644
--- a/src/arch/x86/core/stack.S
+++ b/src/arch/x86/core/stack.S
@@ -2,6 +2,12 @@ FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL )
 
 	.arch i386
 
+#ifdef __x86_64__
+#define STACK_SIZE 8192
+#else
+#define STACK_SIZE 4096
+#endif
+
 /****************************************************************************
  * Internal stack
  ****************************************************************************
@@ -10,6 +16,6 @@ FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL )
 	.align 8
 	.globl _stack
 _stack:
-	.space 4096
+	.space STACK_SIZE
 	.globl _estack
 _estack: