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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "fat.h"
#include "ata.h"
#include "debug.h"
void dbg_dump_sector(int sec)
{
unsigned char buf[512];
ata_read_sectors(sec,1,buf);
printf("---< Sector %d >-----------------------------------------\n", sec);
dbg_dump_buffer(buf);
}
void dbg_dump_buffer(unsigned char *buf)
{
int i, j;
unsigned char c;
unsigned char ascii[33];
for(i = 0;i < 512/32;i++)
{
for(j = 0;j < 32;j++)
{
c = buf[i*32+j];
printf("%02x ", c);
if(c < 32 || c > 127)
{
ascii[j] = '.';
}
else
{
ascii[j] = c;
}
}
ascii[j] = 0;
printf("%s\n", ascii);
}
}
void dbg_print_bpb(struct bpb *bpb)
{
printf("bpb_oemname = \"%s\"\n", bpb->bs_oemname);
printf("bpb_bytspersec = %d\n", bpb->bpb_bytspersec);
printf("bpb_secperclus = %d\n", bpb->bpb_secperclus);
printf("bpb_rsvdseccnt = %d\n", bpb->bpb_rsvdseccnt);
printf("bpb_numfats = %d\n", bpb->bpb_numfats);
printf("bpb_rootentcnt = %d\n", bpb->bpb_rootentcnt);
printf("bpb_totsec16 = %d\n", bpb->bpb_totsec16);
printf("bpb_media = %02x\n", bpb->bpb_media);
printf("bpb_fatsz16 = %d\n", bpb->bpb_fatsz16);
printf("bpb_secpertrk = %d\n", bpb->bpb_secpertrk);
printf("bpb_numheads = %d\n", bpb->bpb_numheads);
printf("bpb_hiddsec = %u\n", bpb->bpb_hiddsec);
printf("bpb_totsec32 = %u\n", bpb->bpb_totsec32);
printf("bs_drvnum = %d\n", bpb->bs_drvnum);
printf("bs_bootsig = %02x\n", bpb->bs_bootsig);
if(bpb->bs_bootsig == 0x29)
{
printf("bs_volid = %xl\n", bpb->bs_volid);
printf("bs_vollab = \"%s\"\n", bpb->bs_vollab);
printf("bs_filsystype = \"%s\"\n", bpb->bs_filsystype);
}
printf("bpb_fatsz32 = %u\n", bpb->bpb_fatsz32);
printf("last_word = %04x\n", bpb->last_word);
switch(bpb->fat_type)
{
case FATTYPE_FAT12:
printf("fat_type = FAT12\n");
break;
case FATTYPE_FAT16:
printf("fat_type = FAT16\n");
break;
case FATTYPE_FAT32:
printf("fat_type = FAT32\n");
break;
default:
printf("fat_type = UNKNOWN (%d)\n", bpb->fat_type);
break;
}
}
void dbg_dir(struct bpb *bpb, int currdir)
{
struct fat_dirent dent;
struct fat_direntry de;
if(fat_opendir(bpb, &dent, currdir) >= 0)
{
while(fat_getnext(bpb, &dent, &de) >= 0)
{
printf("%s\n", de.name);
}
}
else
{
fprintf(stderr, "Could not read dir on cluster %d\n", currdir);
}
}
extern char current_directory[];
int last_secnum = 0;
void dbg_prompt(void)
{
printf("C:%s> ", current_directory);
}
void dbg_console(struct bpb* bpb)
{
char cmd[32] = "";
char last_cmd[32] = "";
int quit = 0;
char *s;
int secnum;
while(!quit)
{
dbg_prompt();
if(fgets(cmd, sizeof(cmd) - 1, stdin))
{
if(strlen(cmd) == 1) /* empty command? */
{
strcpy(cmd, last_cmd);
}
/* Get the first token */
s = strtok(cmd, " \n");
if(s)
{
if(!strcasecmp(s, "dir"))
{
secnum = 0;
if((s = strtok(NULL, " \n")))
{
secnum = atoi(s);
}
dbg_dir(bpb, secnum);
continue;
}
if(!strcasecmp(s, "ds"))
{
/* Remember the command */
strcpy(last_cmd, s);
if((s = strtok(NULL, " \n")))
{
last_secnum = atoi(s);
}
else
{
last_secnum++;
}
printf("secnum: %d\n", last_secnum);
dbg_dump_sector(last_secnum);
continue;
}
if(!strcasecmp(s, "exit") ||
!strcasecmp(s, "x"))
{
quit = 1;
}
}
}
}
}
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