cli_classic.c: add -x option for do_extract()

This change introduces a new option to extract all layout regions to
files with the name of each region (or with the provided filename via
-i region:file). It is implemented by mutating the flash layout to
include all regions and backfilling the entry->file with entry->name
(replacing spaces with underscores)

Signed-off-by: Daniel Campello <campello@chromium.org>
Change-Id: I8c69223fa92cf5b50abe070f1ab9f19d3b42f6ff
Reviewed-on: https://review.coreboot.org/c/flashrom/+/52450
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Edward O'Callaghan <quasisec@chromium.org>

1 files changed, 19 insertions, 0 deletions

diff --git a/layout.c b/layout.c
index d0d2607e1..7fd203d13 100644
--- a/layout.c
+++ b/layout.c
@@ -15,6 +15,7 @@
  * GNU General Public License for more details.
  */
 
+#include <ctype.h>
 #include <errno.h>
 #include <stdio.h>
 #include <stdlib.h>
@@ -308,6 +309,24 @@ int normalize_romentries(const struct flashctx *flash)
 	return ret;
 }
 
+void prepare_layout_for_extraction(struct flashctx *flash)
+{
+	const struct flashrom_layout *const l = get_layout(flash);
+	unsigned int i, j;
+
+	for (i = 0; i < l->num_entries; ++i) {
+		l->entries[i].included = true;
+
+		if (!l->entries[i].file)
+			l->entries[i].file = strdup(l->entries[i].name);
+
+		for (j = 0; l->entries[i].file[j]; j++) {
+			if (isspace(l->entries[i].file[j]))
+				l->entries[i].file[j] = '_';
+		}
+	}
+}
+
 const struct romentry *layout_next_included_region(
 		const struct flashrom_layout *const l, const chipoff_t where)
 {