[flashrom] Patch to factorize read_flash() use - coreboot

25 May 2009

Hello,
A simple patch to use read_flash() when flash chip probe is probed.
Unfortunatelly, I cannot test it... If anyone can do the job for me...
Make good use of it ;-)
Stephan.
Signed-off-by: Stephan Guilloux stephan.guilloux@free.fr
Index: flashrom-factorize-read/trunk/flashrom.c
===================================================================

--- flashrom-factorize-read/trunk/flashrom.c	(révision 546)
+++ flashrom-factorize-read/trunk/flashrom.c	(copie de travail)
@@ -251,6 +251,12 @@
    FILE *image;
    unsigned long size = flash->total_size * 1024;
    unsigned char *buf = calloc(size, sizeof(char));
+
+	if (! filename) {
+		printf("Error: No filename specified.\n");
+		return 1;
+	}
+
    if ((image = fopen(filename, "w")) == NULL) {
    	perror(filename);
    	exit(1);
@@ -602,35 +608,10 @@
    			printf("Run flashrom -L to view the hardware supported in this flashrom version.\n");
    			exit(1);
    		}
-			if (!filename) {
-				printf("Error: No filename specified.\n");
-				exit(1);
-			}
-			size = flashes[0]->total_size * 1024;
-			buf = (uint8_t *) calloc(size, sizeof(char));
-
-			if ((image = fopen(filename, "w")) == NULL) {
-				perror(filename);
-				exit(1);
-			}
-			printf("Force reading flash... ");
-			if (!flashes[0]->read) {
-				printf("FAILED!\n");
-				fprintf(stderr, "ERROR: flashrom has no read function for this flash chip.\n");
+			if (read_flash(flashes[0], filename, exclude_start_position, exclude_end_position)) {
    			return 1;
-			} else
-				flashes[0]->read(flashes[0], buf);
-
-			if (exclude_end_position - exclude_start_position > 0)
-				memset(buf + exclude_start_position, 0,
-				       exclude_end_position -
-				       exclude_start_position);
-
-			numbytes = fwrite(buf, 1, size, image);
-			fclose(image);
-			printf("%s.\n", numbytes == size ? "done" : "FAILED");
-			free(buf);
-			return numbytes != size;
+			}
+			return 0;
    	}
    	// FIXME: flash writes stay enabled!
    	exit(1);

    