Patch set updated for coreboot: libpayload: x86/exec - fix argc/argv value passing

[Mathias Krause]

Mathias Krause ([e-mail]) just uploaded a new patch set to gerrit, which you can find at https://review.coreboot.org/18333

-gerrit

commit 15f17273ea9a768fc2f8c7455d7019ec69cc04f2
Author: Mathias Krause 
Date:   Sat Feb 11 22:34:46 2017 +0100

libpayload: x86/exec - fix argc/argv value passing

According to coreboot’s payload API [1] the argc value should be passed
    at stack offset 0x10, so we need to push a dummy value to comply to the
    API.

[1] https://www.coreboot.org/Payload_API

Change-Id: Id20424185a5bf7e4d94de1886a2cece3f3968371
    Signed-off-by: Mathias Krause 
---
 payloads/libpayload/arch/x86/exec.S | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/payloads/libpayload/arch/x86/exec.S b/payloads/libpayload/arch/x86/exec.S
index 7d89cc0..54c83f6 100644
--- a/payloads/libpayload/arch/x86/exec.S
+++ b/payloads/libpayload/arch/x86/exec.S
@@ -53,12 +53,17 @@ i386_do_exec:
    pushl %ecx
    pushl %ebp

-	/* Push the argc and argv pointers on to the stack */
+	/* Push argc and argv on to the stack.
+	 *
+	 * We need to put a dummy value inbetween, as argc should be at offset
+	 * 0x10, according to the payload API.
+	 */

movl 12(%ebp), %esi
    movl 16(%ebp), %ecx

pushl %esi
+	pushl $0
    pushl %ecx

/* Move a "magic" number on the stack - the other