1 files changed, 26 insertions, 1 deletions
diff --git a/nvbiosemu.c b/nvbiosemu.c
index 79c92f0..2278730 100644
--- a/nvbiosemu.c
+++ b/nvbiosemu.c
@@ -170,7 +170,7 @@ int reload_nv_bios(uintptr_t pcimemaddr)
 
 	if ((fd = open("/dev/mem", O_RDWR)) == -1) {
 		printf("Can't open /dev/mem\n");
-		return 0;
+		return 1;
 	}
 
 	printf("Using card memory region at %p\n", (void *)pcimemaddr);
@@ -195,3 +195,28 @@ int reload_nv_bios(uintptr_t pcimemaddr)
 
 	return ret;
 }
+
+int reload_bios_from_file(char *romfile)
+{
+	uint8_t bios[NV_PROM_SIZE];
+	FILE *romf;
+
+	if (!(romf = fopen(romfile, "r"))) {
+                printf("File open failed\n");
+                return 1;
+        }
+
+	fread(bios, NV_PROM_SIZE, 1, romf);
+	fclose(romf);
+
+	if (!NVValidVBIOS(NULL, bios))
+		return 1;
+
+	printf("Loading contents of %s as bios image to be used, unless ^C is hit in next 5s\n", romfile);
+	sleep(5);
+
+	if (mmap_in_bios(bios))
+		return 1;
+
+	return 0;
+}