FreeCalypso > hg > freecalypso-tools

comparison target-utils/libtiffs/init.c @ 60:87cb03b35f77

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
target-utils: long-overdue s/mpffs/tiffs/ and s/MPFFS/TIFFS/ rename
author Mychaela Falconia <falcon@freecalypso.org>
date Wed, 26 Oct 2016 15:52:14 +0000
parents e7502631a0f9
children c10a65f7563e
comparison
equal deleted inserted replaced
59:819335e06fd1 60:87cb03b35f77
13 { 13 {
14 u32 sector_addr; 14 u32 sector_addr;
15 u8 *sector_ptr; 15 u8 *sector_ptr;
16 int i; 16 int i;
17 17
18 printf("Looking for MPFFS active index block\n"); 18 printf("Looking for TIFFS active index block\n");
19 sector_addr = mpffs_base_addr; 19 sector_addr = tiffs_base_addr;
20 for (i = 0; i < mpffs_nsectors; i++) { 20 for (i = 0; i < tiffs_nsectors; i++) {
21 sector_ptr = (u8 *) sector_addr; 21 sector_ptr = (u8 *) sector_addr;
22 if (!bcmp(sector_ptr, ffs_sector_signature, 6) && 22 if (!bcmp(sector_ptr, ffs_sector_signature, 6) &&
23 sector_ptr[8] == 0xAB) { 23 sector_ptr[8] == 0xAB) {
24 printf("Found at %08X\n", sector_addr); 24 printf("Found at %08X\n", sector_addr);
25 mpffs_active_index = (struct inode *) sector_ptr; 25 tiffs_active_index = (struct inode *) sector_ptr;
26 return(0); 26 return(0);
27 } 27 }
28 sector_addr += mpffs_sector_size; 28 sector_addr += tiffs_sector_size;
29 } 29 }
30 printf("Error: Not found in any of the %d candidate sectors\n", 30 printf("Error: Not found in any of the %d candidate sectors\n",
31 mpffs_nsectors); 31 tiffs_nsectors);
32 return(-1); 32 return(-1);
33 } 33 }
34 34
35 static 35 static
36 find_rootino() 36 find_rootino()
38 int ino; 38 int ino;
39 struct inode *irec; 39 struct inode *irec;
40 40
41 printf("Looking for the root inode\n"); 41 printf("Looking for the root inode\n");
42 for (ino = 1; ; ino++) { 42 for (ino = 1; ; ino++) {
43 if (ino >= mpffs_sector_size >> 4) { 43 if (ino >= tiffs_sector_size >> 4) {
44 printf("Error: Hit end of sector, no root inode found\n"); 44 printf("Error: Hit end of sector, no root inode found\n");
45 return(-1); 45 return(-1);
46 } 46 }
47 irec = mpffs_active_index + ino; 47 irec = tiffs_active_index + ino;
48 if (!bcmp((u8 *) irec, blank_flash_line, 16)) { 48 if (!bcmp((u8 *) irec, blank_flash_line, 16)) {
49 printf("Error: Hit blank flash, no root inode found\n"); 49 printf("Error: Hit blank flash, no root inode found\n");
50 return(-1); 50 return(-1);
51 } 51 }
52 if (irec->type == OBJTYPE_DIR && *inode_to_dataptr(irec) == '/') 52 if (irec->type == OBJTYPE_DIR && *inode_to_dataptr(irec) == '/')
53 break; 53 break;
54 } 54 }
55 printf("Found at inode #%x\n", ino); 55 printf("Found at inode #%x\n", ino);
56 mpffs_root_ino = ino; 56 tiffs_root_ino = ino;
57 return(0); 57 return(0);
58 } 58 }
59 59
60 mpffs_init() 60 tiffs_init()
61 { 61 {
62 int stat; 62 int stat;
63 63
64 if (mpffs_init_done) 64 if (tiffs_init_done)
65 return(0); 65 return(0);
66 stat = find_indexblk(); 66 stat = find_indexblk();
67 if (stat < 0) 67 if (stat < 0)
68 return(stat); 68 return(stat);
69 stat = find_rootino(); 69 stat = find_rootino();
70 if (stat < 0) 70 if (stat < 0)
71 return(stat); 71 return(stat);
72 mpffs_init_done = 1; 72 tiffs_init_done = 1;
73 return(0); 73 return(0);
74 } 74 }