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Remove unused code to make code smaller

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These might need to be added back eventually.
This commit is contained in:
Byron Lathi
2022-04-19 15:35:22 -05:00
parent c7ff69a1a0
commit 686630e79f
7 changed files with 2 additions and 133 deletions
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52
sw/bootloader/filesystem/fat.c
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@@ -13,37 +13,6 @@ static full_bpb_t bpb;
static uint32_t data_region_start;
void fat_print_pbp_info(full_bpb_t* bpb){
cprintf("Bytes per sector: %d\n", bpb->bytes_per_sector);
cprintf("Sectors per cluster: %d\n", bpb->sectors_per_cluster);
cprintf("Reserved Sectors: %d\n", bpb->reserved_sectors);
cprintf("Fat Count: %d\n", bpb->fat_count);
cprintf("Max Dir Entries: %d\n", bpb->max_dir_entries);
cprintf("Total Sector Count: %d\n", bpb->total_sector_count);
cprintf("Media Descriptor: 0x%x\n", bpb->media_descriptor);
cprintf("Sectors per Fat: %d\n", bpb->sectors_per_fat_16);
cprintf("\n");
cprintf("Sectors per track: %d\n", bpb->sectors_per_track);
cprintf("Head Count: %d\n", bpb->head_count);
cprintf("Hidden Sector Count: %ld\n", bpb->hidden_sector_count);
cprintf("Logical Sector Count: %ld\n", bpb->logical_sector_count);
cprintf("Sectors per Fat: %ld\n", bpb->sectors_per_fat_32);
cprintf("Extended Flags: 0x%x\n", bpb->extended_flags);
cprintf("Version: %d\n", bpb->version);
cprintf("Root Cluster: 0x%lx\n", bpb->root_cluster);
cprintf("System Information: 0x%x\n", bpb->system_information);
cprintf("Backup Boot Sector: 0x%x\n", bpb->backup_boot_sector);
cprintf("\n");
cprintf("Drive Number: %d\n", bpb->drive_num);
cprintf("Extended Signature: 0x%x\n", bpb->extended_signature);
cprintf("Volume ID: 0x%lx\n", bpb->volume_id);
cprintf("Partition Label: %.11s\n", &bpb->partition_label);
cprintf("Partition Label: %.8s\n", &bpb->filesystem_type);
cprintf("\n");
}
void fat_init(){
int i;
@@ -54,8 +23,6 @@ void fat_init(){
sd_readblock(1, fat_buf);
sd_readblock(32, fat_buf);
fat_print_pbp_info(&bpb);
data_region_start = bpb.reserved_sectors + bpb.fat_count*bpb.sectors_per_fat_32;
sd_readblock(bpb.reserved_sectors, fat_buf);
@@ -73,25 +40,6 @@ void fat_init(){
cprintf("End of chain indicator: %lx\n", fat_end_of_chain);
}
void fat_read(char* filename, void* buf) {
vfat_dentry_t* vfat_dentry;
dos_dentry_t* dos_dentry;
uint32_t cluster;
(void)filename; //just ignore filename
sd_readblock(data_region_start, buf);
vfat_dentry = (vfat_dentry_t*)buf;
while(vfat_dentry->sequence_number == 0xe5)
vfat_dentry++;
dos_dentry = (dos_dentry_t*)(vfat_dentry + 1);
cluster = ((uint32_t)dos_dentry->first_cluster_h << 16) + dos_dentry->first_cluster_l;
sd_readblock(data_region_start + (cluster - 2) * 8, buf);
}
// make sure you have enough space.
void fat_read_cluster(uint16_t cluster, uint8_t* buf) {