[coreboot-gerrit] Change in coreboot[master]: soc/intel/common: Allow exporting the size of the VBT

[Patrick Georgi (Code Review)]

Patrick Georgi has uploaded this change for review. ( https://review.coreboot.org/26038


Change subject: soc/intel/common: Allow exporting the size of the VBT
......................................................................

soc/intel/common: Allow exporting the size of the VBT

Change-Id: Ib340aad846ea7cb61d650928b495efaa1fc2d641
Signed-off-by: Patrick Georgi <pgeorgi at google.com>
---
M src/soc/intel/common/vbt.c
M src/soc/intel/common/vbt.h
2 files changed, 10 insertions(+), 4 deletions(-)



  git pull ssh://review.coreboot.org:29418/coreboot refs/changes/38/26038/1

diff --git a/src/soc/intel/common/vbt.c b/src/soc/intel/common/vbt.c
index 9e3cb35..50d3951 100644
--- a/src/soc/intel/common/vbt.c
+++ b/src/soc/intel/common/vbt.c
@@ -33,7 +33,7 @@
 static char vbt_data[8 * KiB];
 static int vbt_data_used;
 
-void *locate_vbt(void)
+void *locate_vbt(size_t *vbt_size)
 {
 	uint32_t vbtsig = 0;
 
@@ -48,6 +48,9 @@
 	if (file_size == 0)
 		return NULL;
 
+	if (vbt_size)
+		*vbt_size = file_size;
+
 	memcpy(&vbtsig, vbt_data, sizeof(vbtsig));
 	if (vbtsig != VBT_SIGNATURE) {
 		printk(BIOS_ERR, "Missing/invalid signature in VBT data file!\n");
@@ -72,5 +75,5 @@
 		return NULL;
 	if (!display_init_required())
 		return NULL;
-	return locate_vbt();
+	return locate_vbt(NULL);
 }
diff --git a/src/soc/intel/common/vbt.h b/src/soc/intel/common/vbt.h
index 615af4b..1bc536e 100644
--- a/src/soc/intel/common/vbt.h
+++ b/src/soc/intel/common/vbt.h
@@ -27,8 +27,11 @@
  */
 const char *mainboard_vbt_filename(void);
 
-/* locate vbt.bin file. Returns a pointer to its content. */
-void *locate_vbt(void);
+/*
+ * locate vbt.bin file. Returns a pointer to its content.
+ * If vbt_size is non-NULL, also return the vbt's size.
+ */
+void *locate_vbt(size_t *vbt_size);
 /*
  * Returns VBT pointer and mapping after checking prerequisites for Pre OS
  * Graphics initialization

-- 
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Gerrit-Project: coreboot
Gerrit-Branch: master
Gerrit-MessageType: newchange
Gerrit-Change-Id: Ib340aad846ea7cb61d650928b495efaa1fc2d641
Gerrit-Change-Number: 26038
Gerrit-PatchSet: 1
Gerrit-Owner: Patrick Georgi <pgeorgi at google.com>
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