3 #include "../disk/part_amiga.h"
10 #define PRINTF(fmt,args...) printf (fmt ,##args)
12 #define PRINTF(fmt,args...)
21 extern block_dev_desc_t *ide_get_dev (int dev);
22 extern struct bootcode_block *get_bootcode (block_dev_desc_t * dev_desc);
23 extern int sum_block (struct block_header *header);
25 struct bootcode_block bblk;
27 int do_boota (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
29 unsigned char *load_address = (unsigned char *) CFG_LOAD_ADDR;
30 unsigned char *base_address;
33 unsigned long part_number = 0;
34 block_dev_desc_t *boot_disk;
36 struct bootcode_block *boot_code;
42 load_address = (unsigned char *) simple_strtol (argv[1], NULL, 16);
46 load_address = (unsigned char *) simple_strtol (argv[1], NULL, 16);
47 part_number = simple_strtol (argv[2], NULL, 16);
51 base_address = load_address;
53 PRINTF ("Loading boot code from disk %d to %p\n", part_number,
56 /* Find the appropriate disk device */
57 boot_disk = ide_get_dev (part_number);
59 PRINTF ("Unknown disk %d\n", part_number);
63 /* Find the bootcode block */
64 boot_code = get_bootcode (boot_disk);
66 PRINTF ("Not a bootable disk %d\n", part_number);
70 /* Only use the offset from the first block */
71 offset = boot_code->load_data[0];
72 memcpy (load_address, &boot_code->load_data[1], 122 * 4);
73 load_address += 122 * 4;
75 /* Setup for the loop */
76 bblk.next = boot_code->next;
79 /* Scan the chain, and copy the loader succesively into the destination area */
80 while (0xffffffff != boot_code->next) {
81 PRINTF ("Loading block %d\n", boot_code->next);
85 boot_disk->block_read (boot_disk->dev, boot_code->next, 1,
87 PRINTF ("Read error\n");
92 if (sum_block ((struct block_header *) (ulong *) & bblk) != 0) {
93 PRINTF ("Checksum error\n");
97 /* Ok, concatenate it to the already loaded code */
98 memcpy (load_address, boot_code->load_data, 123 * 4);
99 load_address += 123 * 4;
102 printf ("Bootcode loaded to %p (size %d)\n", base_address,
103 load_address - base_address);
104 printf ("Entry point at %p\n", base_address + offset);
106 flush_cache (base_address, load_address - base_address);
109 s = getenv ("autostart");
110 if (s && strcmp (s, "yes") == 0) {
111 DECLARE_GLOBAL_DATA_PTR;
113 void (*boot) (bd_t *, char *, block_dev_desc_t *);
116 boot = (void (*)(bd_t *, char *, block_dev_desc_t *)) (base_address + offset);
117 boot (gd->bd, getenv ("amiga_bootargs"), boot_disk);
123 #if defined(CONFIG_AMIGAONEG3SE) && (CONFIG_COMMANDS & CFG_CMD_BSP)
125 boota, 3, 1, do_boota,
126 "boota - boot an Amiga kernel\n",
129 #endif /* _CMD_BOOTA_H */