[new uImage] Factor out common image_get_ramdisk() routine
Architecture specific do_bootm_linux() routines share common
ramdisk image processing code. Move this code to a common
helper routine.
Signed-off-by: Marian Balakowicz <m8@semihalf.com>
diff --git a/lib_ppc/bootm.c b/lib_ppc/bootm.c
index 36e6776..65edcdb 100644
--- a/lib_ppc/bootm.c
+++ b/lib_ppc/bootm.c
@@ -68,8 +68,7 @@
ulong initrd_high;
int initrd_copy_to_ram = 1;
ulong initrd_start, initrd_end;
- ulong rd_data, rd_len;
- image_header_t *rd_hdr;
+ ulong rd_data_start, rd_data_end, rd_len;
ulong cmd_start, cmd_end;
char *cmdline;
@@ -171,81 +170,9 @@
kernel = (void (*)(bd_t *, ulong, ulong, ulong, ulong))image_get_ep (hdr);
- /*
- * Check if there is an initrd image
- */
-
-#if defined(CONFIG_OF_LIBFDT)
- /* Look for a '-' which indicates to ignore the ramdisk argument */
- if (argc >= 3 && strcmp(argv[2], "-") == 0) {
- debug ("Skipping initrd\n");
- rd_len = rd_data = 0;
- }
- else
-#endif
- if (argc >= 3) {
- debug ("Not skipping initrd\n");
- show_boot_progress (9);
-
- rd_hdr = (image_header_t *)simple_strtoul (argv[2], NULL, 16);
- printf ("## Loading RAMDisk Image at %08lx ...\n", (ulong)rd_hdr);
-
- if (!image_check_magic (rd_hdr)) {
- puts ("Bad Magic Number\n");
- show_boot_progress (-10);
- do_reset (cmdtp, flag, argc, argv);
- }
-
- if (!image_check_hcrc (rd_hdr)) {
- puts ("Bad Header Checksum\n");
- show_boot_progress (-11);
- do_reset (cmdtp, flag, argc, argv);
- }
- show_boot_progress (10);
-
- print_image_hdr (rd_hdr);
-
- if (verify) {
- puts (" Verifying Checksum ... ");
-
- if (!image_check_dcrc_wd (rd_hdr, CHUNKSZ)) {
- puts ("Bad Data CRC\n");
- show_boot_progress (-12);
- do_reset (cmdtp, flag, argc, argv);
- }
- puts ("OK\n");
- }
-
- show_boot_progress (11);
-
- if (!image_check_os (rd_hdr, IH_OS_LINUX) ||
- !image_check_arch (rd_hdr, IH_ARCH_PPC) ||
- !image_check_type (rd_hdr, IH_TYPE_RAMDISK)) {
- puts ("No Linux PPC Ramdisk Image\n");
- show_boot_progress (-13);
- do_reset (cmdtp, flag, argc, argv);
- }
-
- rd_data = image_get_data (rd_hdr);
- rd_len = image_get_data_size (rd_hdr);
-
- /*
- * Now check if we have a multifile image
- */
- } else if (image_check_type (hdr, IH_TYPE_MULTI)) {
- /*
- * Get second entry data start address and len
- */
- image_multi_getimg (hdr, 1, &rd_data, &rd_len);
- show_boot_progress (13);
- } else {
- /*
- * No initrd image
- */
- show_boot_progress (14);
-
- rd_len = rd_data = 0;
- }
+ get_ramdisk (cmdtp, flag, argc, argv, hdr, verify,
+ IH_ARCH_PPC, &rd_data_start, &rd_data_end);
+ rd_len = rd_data_end - rd_data_start;
#if defined(CONFIG_OF_LIBFDT)
if(argc > 3) {
@@ -337,14 +264,11 @@
}
}
#endif
- if (!rd_data) {
- debug ("No initrd\n");
- }
- if (rd_data) {
+ if (rd_data_start) {
if (!initrd_copy_to_ram) { /* zero-copy ramdisk support */
- initrd_start = rd_data;
- initrd_end = initrd_start + rd_len;
+ initrd_start = rd_data_start;
+ initrd_end = rd_data_end;
} else {
initrd_start = (ulong)kbd - rd_len;
initrd_start &= ~(4096 - 1); /* align on page */
@@ -376,14 +300,14 @@
show_boot_progress (12);
debug ("## initrd at 0x%08lX ... 0x%08lX (len=%ld=0x%lX)\n",
- rd_data, rd_data + rd_len - 1, rd_len, rd_len);
+ rd_data_start, rd_data_end - 1, rd_len, rd_len);
initrd_end = initrd_start + rd_len;
printf (" Loading Ramdisk to %08lx, end %08lx ... ",
initrd_start, initrd_end);
memmove_wd((void *)initrd_start,
- (void *)rd_data, rd_len, CHUNKSZ);
+ (void *)rd_data_start, rd_len, CHUNKSZ);
puts ("OK\n");
}