Display test status in -L chip listing

Looks like this:

Supported flash chips:          Tested OK operations:   Known BAD operations:

AMD Am29F002(N)BB                                       
AMD Am29F002(N)BT               PROBE READ ERASE WRITE  
AMD Am29F016D                                           
AMD Am29F040B                   PROBE READ ERASE WRITE  
AMD Am29LV040B                                          
Atmel AT45CS1282                                        READ 

Corresponding to flashrom svn r362 and coreboot v2 svn r3803.
Signed-off-by: Peter Stuge <peter@stuge.se>
Acked-by: Uwe Hermann <uwe@hermann-uwe.de>

flashrom.c

@@ -205,14 +205,61 @@ int verify_flash(struct flashchip *flash, uint8_t *buf)
 	return 0;
 }
 
+#define MAX(a, b) ((a) > (b) ? (a) : (b))
+#define POS_PRINT(x) do { pos += strlen(x); printf(x); } while (0)
+
 void print_supported_chips(void)
 {
-	int i;
+	int okcol = 0, pos = 0;
+	struct flashchip *f;
 
-	printf("Supported ROM chips:\n\n");
+	for (f = flashchips; f->name != NULL; f++) {
+		if (GENERIC_DEVICE_ID == f->model_id)
+			continue;
+		okcol = MAX(okcol, strlen(f->vendor) + 1 + strlen(f->name));
+	}
+	okcol = (okcol + 7) & ~7;
 
-	for (i = 0; flashchips[i].name != NULL; i++)
-		printf("%s %s\n", flashchips[i].vendor, flashchips[i].name);
+	POS_PRINT("Supported flash chips:");
+	while (pos < okcol) {
+		printf("\t");
+		pos += 8 - (pos % 8);
+	}
+	printf("Tested OK operations:\tKnown BAD operations:\n\n");
+
+	for (f = flashchips; f->name != NULL; f++) {
+		printf("%s %s", f->vendor, f->name);
+		pos = strlen(f->vendor) + 1 + strlen(f->name);
+		while (pos < okcol) {
+			printf("\t");
+			pos += 8 - (pos % 8);
+		}
+		if ((f->tested & TEST_OK_MASK)) {
+			if ((f->tested & TEST_OK_PROBE))
+				POS_PRINT("PROBE ");
+			if ((f->tested & TEST_OK_READ))
+				POS_PRINT("READ ");
+			if ((f->tested & TEST_OK_ERASE))
+				POS_PRINT("ERASE ");
+			if ((f->tested & TEST_OK_WRITE))
+				POS_PRINT("WRITE");
+		}
+		while (pos < okcol + 24) {
+			printf("\t");
+			pos += 8 - (pos % 8);
+		}
+		if ((f->tested & TEST_BAD_MASK)) {
+			if ((f->tested & TEST_BAD_PROBE))
+				printf("PROBE ");
+			if ((f->tested & TEST_BAD_READ))
+				printf("READ ");
+			if ((f->tested & TEST_BAD_ERASE))
+				printf("ERASE ");
+			if ((f->tested & TEST_BAD_WRITE))
+				printf("WRITE");
+		}
+		printf("\n");
+	}
 }
 
 void usage(const char *name)