[coreboot-gerrit] Change in ...coreboot[master]: arch/x86/ebda: Don't trash the EBDA on the resume path

[Arthur Heymans (Code Review)]

Arthur Heymans has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/30789

Change subject: arch/x86/ebda: Don't trash the EBDA on the resume path
......................................................................

arch/x86/ebda: Don't trash the EBDA on the resume path

With some payloads the RSDP can end up in an area this function is
trashing hence breaking S3 resume.

Change-Id: I9c54156bd8247e8a34dec6edc27cfc2d33cde595
Signed-off-by: Arthur Heymans 
---
M src/arch/x86/ebda.c
1 file changed, 3 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/89/30789/1

diff --git a/src/arch/x86/ebda.c b/src/arch/x86/ebda.c
index f6726cf..62c81bd 100644
--- a/src/arch/x86/ebda.c
+++ b/src/arch/x86/ebda.c
@@ -18,6 +18,7 @@
 #include <string.h>
 #include <arch/io.h>
 #include <arch/ebda.h>
+#include <arch/acpi.h>
 #include <commonlib/endian.h>
 #include <console/console.h>

@@ -104,6 +105,8 @@

void setup_default_ebda(void)
 {
+	if (acpi_is_wakeup_s3())
+		return;
    setup_ebda(DEFAULT_EBDA_LOWMEM,
    	   DEFAULT_EBDA_SEGMENT,
    	   DEFAULT_EBDA_SIZE);