Change in coreboot[master]: src/lib/fmap.c: use le*toh() functions where needed

[Krystian Hebel (Code Review)]

Krystian Hebel has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/55038 )

Change subject: src/lib/fmap.c: use le*toh() functions where needed
......................................................................

src/lib/fmap.c: use le*toh() functions where needed

FMAP was developed with assumption about endianness of the target machine.
This broke the parsing of the structure on big endian architectures. This
patch converts the endianness of the fields where applicable.

Signed-off-by: Krystian Hebel 
Change-Id: I8784ac29101531db757249496315f43e4008de4f
---
M src/lib/fmap.c
1 file changed, 8 insertions(+), 6 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/38/55038/1

diff --git a/src/lib/fmap.c b/src/lib/fmap.c
index 254d787..6ff8431 100644
--- a/src/lib/fmap.c
+++ b/src/lib/fmap.c
@@ -8,6 +8,7 @@
 #include <stddef.h>
 #include <string.h>
 #include <symbols.h>
+#include <endian.h>

#include "fmap_config.h"

@@ -49,7 +50,8 @@
    print_once(BIOS_DEBUG, "FMAP: Found "%s" version %d.%d at %#x.\n",
           fmap->name, fmap->ver_major, fmap->ver_minor, FMAP_OFFSET);
    print_once(BIOS_DEBUG, "FMAP: base = %#llx size = %#x #areas = %d\n",
-	       (long long)fmap->base, fmap->size, fmap->nareas);
+	       (long long)le64toh(fmap->base), le32toh(fmap->size),
+	       le16toh(fmap->nareas));
    fmap_print_once = 1;
 }

@@ -188,10 +190,10 @@
    	}

printk(BIOS_DEBUG, "FMAP: area %s found @ %x (%d bytes)\n",
-		       name, area->offset, area->size);
+		       name, le32toh(area->offset), le32toh(area->size));

-		ar->offset = area->offset;
-		ar->size = area->size;
+		ar->offset = le32toh(area->offset);
+		ar->size = le32toh(area->size);

rdev_munmap(&fmrd, area);

@@ -226,8 +228,8 @@
    	if (area == NULL)
    		return -1;

-		if ((ar->offset != area->offset) ||
-		    (ar->size != area->size)) {
+		if ((ar->offset != le32toh(area->offset)) ||
+		    (ar->size != le32toh(area->size))) {
    		rdev_munmap(&fmrd, area);
    		offset += sizeof(struct fmap_area);
    		continue;