Disk manager util: added option for install bootloader.

disk_manager_utility.c

@@ -140,6 +140,11 @@ int dmu_load_file_system(char* disk_name) {
     return 1; 
 }
 
+int dmu_install_bootloader(char* disk_name) {
+    lsfs_disk_install_bootloader(disk_name);
+    return 1; 
+}
+
 int dmu_print_mtt(char *path) {
     Directory_Table *directory_table;
     if (strcmp(path, "/") != 0) 
@@ -196,7 +201,7 @@ int main (int argc, char *argv[])
             printf("Tag File System Utility\nMenu:\nc: Create new lsfs disk\nl: load disk\nEnter:");
         }
         else {
-            printf("Tag File System Utility\nDisk loaded: %s\nMenu:\n1: Print Master Tag Table\n2: Print Tag Table\n3: Print File\n4: Create Tag\n5: Create New File\n", loaded_disk_name);
+            printf("Tag File System Utility\nDisk loaded: %s\nMenu:\n1: Print Master Tag Table\n2: Print Tag Table\n3: Print File\n4: Create Tag\n5: Create New File\ni: install Bootloader\n", loaded_disk_name);
         }
 
         scanf("%s", chose);
@@ -211,6 +216,11 @@ int main (int argc, char *argv[])
             scanf("%s", loaded_disk_name);
             dmu_load_file_system(loaded_disk_name);
         }
+        else if(strcmp(chose, "i") == 0) {
+            printf("\nLoad disk\nEnter filename:\n");
+            scanf("%s", input_buffer);
+            dmu_install_bootloader(input_buffer);
+        }
         else if(strcmp(chose, "1") == 0) {
             // Print Directory:
             printf("Enter Directory:\n");  
@@ -226,7 +236,6 @@ int main (int argc, char *argv[])
 
         }
 
-
         #if 0
         else if(strcmp(chose, "2") == 0) {
             // Print Master Tag Table

lsfs_disk_controller.h

@@ -79,7 +79,7 @@ typedef struct Partition_Entry
 
 typedef struct Master_Boot_record 
 {
-    uint8_t            offset_on_disk[446]; // The code for the bootloader 
+    uint8_t            code[446]; // The code for the bootloader 
     Partition_Entry    partitions[4];
     uint16_t           mbr_signature; // Signature
 } __attribute__((packed)) Master_Boot_record;
@@ -470,6 +470,22 @@ int create_file_system(char* disk_name, char* hdd_or_partition, uint64_t filesys
     return 0;
 }
 
+int lsfs_disk_install_bootloader(char *bootloader_name)
+{
+    FILE *bootloader = fopen ( bootloader_name , "r+b" );
+    Master_Boot_record *bootloader_mbr = calloc(1, sizeof(Master_Boot_record));
+    fseek(bootloader, 0 * SECTOR_SIZE, SEEK_SET);
+    fread(bootloader_mbr, 1, SECTOR_SIZE, bootloader);
+
+    Master_Boot_record *mbr = calloc(1, sizeof(Master_Boot_record));
+    fseek( disk , 0 * SECTOR_SIZE, SEEK_SET );
+    fread(mbr, 1, SECTOR_SIZE, disk);
+    memcpy(mbr->code, bootloader_mbr->code, 446);        
+    write_data_to_disk(0, 1, mbr); // Write this to the first sector of the disk. 
+    return 0;
+}
+
+
 int lsfs_disk_load_disk() {
     // Find the partition talbe: 
     // This makes is BIOS dependent. 
@@ -499,13 +515,9 @@ int lsfs_disk_load_disk() {
             // TODO (Jørn) We maybe wnat to optimize, such that we can detect if we have more than one partition opn the system. 
             if (mbr.partitions[i].partition_type == 0x18)
             {
-                printf("%d\n", mbr.partitions[i].LBA_abs_first_sector);
-
                 // First we find the File system control information. 
                 fseek(disk , ((mbr.partitions[i].LBA_abs_first_sector + SPACE_VBR_RECORD) * SECTOR_SIZE), SEEK_SET );
                 fread(&p_control.fsci, 1, SECTOR_SIZE , disk);
-                printf("next free sector: %d\n", p_control.fsci.next_free_sector);
-                printf("next free ID: %d\n", p_control.fsci.next_uniqe_id);
 
                 // next we find the Mater Table. 
                 fseek (disk, (p_control.fsci.master_table_index * SECTOR_SIZE), SEEK_SET );