[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/common/image.c b/common/image.c
index 6726f03..e4be4ca 100644
--- a/common/image.c
+++ b/common/image.c
@@ -23,10 +23,20 @@
* MA 02111-1307 USA
*/
#ifndef USE_HOSTCC
-# include <common.h>
-# include <watchdog.h>
+#include <common.h>
+#include <watchdog.h>
+
+#ifdef CONFIG_SHOW_BOOT_PROGRESS
+#include <status_led.h>
+#endif
+
+#ifdef CONFIG_HAS_DATAFLASH
+#include <dataflash.h>
+#endif
+
+extern int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
#else
-# include "mkimage.h"
+#include "mkimage.h"
#endif
#include <image.h>
@@ -280,4 +290,191 @@
return name;
}
+
+/**
+ * image_get_ramdisk - get and verify ramdisk image
+ * @cmdtp: command table pointer
+ * @flag: command flag
+ * @argc: command argument count
+ * @argv: command argument list
+ * @rd_addr: ramdisk image start address
+ * @arch: expected ramdisk architecture
+ * @verify: checksum verification flag
+ *
+ * image_get_ramdisk() returns a pointer to the verified ramdisk image
+ * header. Routine receives image start address and expected architecture
+ * flag. Verification done covers data and header integrity and os/type/arch
+ * fields checking.
+ *
+ * If dataflash support is enabled routine checks for dataflash addresses
+ * and handles required dataflash reads.
+ *
+ * returns:
+ * pointer to a ramdisk image header, if image was found and valid
+ * otherwise, board is reset
+ */
+image_header_t* image_get_ramdisk (cmd_tbl_t *cmdtp, int flag,
+ int argc, char *argv[],
+ ulong rd_addr, uint8_t arch, int verify)
+{
+ image_header_t *rd_hdr;
+
+ show_boot_progress (9);
+
+#ifdef CONFIG_HAS_DATAFLASH
+ if (addr_dataflash (rd_addr)) {
+ rd_hdr = (image_header_t *)CFG_LOAD_ADDR;
+ debug (" Reading Ramdisk image header from dataflash address "
+ "%08lx to %08lx\n", rd_addr, (ulong)rd_hdr);
+ read_dataflash (rd_addr, image_get_header_size (),
+ (char *)rd_hdr);
+ } else
#endif
+ rd_hdr = (image_header_t *)rd_addr;
+
+ 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);
+
+#ifdef CONFIG_HAS_DATAFLASH
+ if (addr_dataflash (rd_addr)) {
+ debug (" Reading Ramdisk image data from dataflash address "
+ "%08lx to %08lx\n", rd_addr + image_get_header_size,
+ (ulong)image_get_data (rd_hdr));
+
+ read_dataflash (rd_addr + image_get_header_size (),
+ image_get_data_size (rd_hdr),
+ (char *)image_get_data (rd_hdr));
+ }
+#endif
+
+ 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, arch) ||
+ !image_check_type (rd_hdr, IH_TYPE_RAMDISK)) {
+ printf ("No Linux %s Ramdisk Image\n",
+ image_get_arch_name(arch));
+ show_boot_progress (-13);
+ do_reset (cmdtp, flag, argc, argv);
+ }
+
+ return rd_hdr;
+}
+
+/**
+ * get_ramdisk - main ramdisk handling routine
+ * @cmdtp: command table pointer
+ * @flag: command flag
+ * @argc: command argument count
+ * @argv: command argument list
+ * @hdr: pointer to the posiibly multi componet kernel image
+ * @verify: checksum verification flag
+ * @arch: expected ramdisk architecture
+ * @rd_start: pointer to a ulong variable, will hold ramdisk start address
+ * @rd_end: pointer to a ulong variable, will hold ramdisk end
+ *
+ * get_ramdisk() is responsible for finding a valid ramdisk image.
+ * Curently supported are the following ramdisk sources:
+ * - multicomponent kernel/ramdisk image,
+ * - commandline provided address of decicated ramdisk image.
+ *
+ * returns:
+ * rd_start and rd_end are set to ramdisk start/end addresses if
+ * ramdisk image is found and valid
+ * rd_start and rd_end are set to 0 if no ramdisk exists
+ * board is reset if ramdisk image is found but corrupted
+ */
+void get_ramdisk (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
+ image_header_t *hdr, int verify, uint8_t arch,
+ ulong *rd_start, ulong *rd_end)
+{
+ ulong rd_addr;
+ ulong rd_data, rd_len;
+ image_header_t *rd_hdr;
+
+ if (argc >= 3) {
+ /*
+ * Look for a '-' which indicates to ignore the
+ * ramdisk argument
+ */
+ if (strcmp(argv[2], "-") == 0) {
+ debug ("## Skipping init Ramdisk\n");
+ rd_len = rd_data = 0;
+ } else {
+ /*
+ * Check if there is an initrd image at the
+ * address provided in the second bootm argument
+ */
+ rd_addr = simple_strtoul (argv[2], NULL, 16);
+ printf ("## Loading init Ramdisk Image at %08lx ...\n",
+ rd_addr);
+
+ rd_hdr = image_get_ramdisk (cmdtp, flag, argc, argv,
+ rd_addr, arch, verify);
+
+ rd_data = image_get_data (rd_hdr);
+ rd_len = image_get_data_size (rd_hdr);
+
+#if defined(CONFIG_B2) || defined(CONFIG_EVB4510) || defined(CONFIG_ARMADILLO)
+ /*
+ *we need to copy the ramdisk to SRAM to let Linux boot
+ */
+ memmove ((void *)image_get_load (rd_hdr),
+ (uchar *)rd_data, rd_len);
+
+ rd_data = image_get_load (rd_hdr);
+#endif /* CONFIG_B2 || CONFIG_EVB4510 || CONFIG_ARMADILLO */
+ }
+
+ } else if (image_check_type (hdr, IH_TYPE_MULTI)) {
+ /*
+ * Now check if we have a multifile image
+ * Get second entry data start address and len
+ */
+ show_boot_progress (13);
+ printf ("## Loading init Ramdisk from multi component "
+ "Image at %08lx ...\n", (ulong)hdr);
+ image_multi_getimg (hdr, 1, &rd_data, &rd_len);
+ } else {
+ /*
+ * no initrd image
+ */
+ show_boot_progress (14);
+ rd_len = rd_data = 0;
+ }
+
+ if (!rd_data) {
+ debug ("## No init Ramdisk\n");
+ *rd_start = 0;
+ *rd_end = 0;
+ } else {
+ *rd_start = rd_data;
+ *rd_end = rd_data + rd_len;
+ }
+ debug (" ramdisk start = 0x%08lx, ramdisk end = 0x%08lx\n",
+ *rd_start, *rd_end);
+}
+#endif /* USE_HOSTCC */
+
diff --git a/include/image.h b/include/image.h
index 9ac25c9..b438564 100644
--- a/include/image.h
+++ b/include/image.h
@@ -34,6 +34,7 @@
#define __IMAGE_H__
#include <asm/byteorder.h>
+#include <command.h>
#ifndef USE_HOSTCC
#include <linux/string.h>
#endif
@@ -331,6 +332,15 @@
const char* image_get_arch_name (uint8_t arch);
const char* image_get_type_name (uint8_t type);
const char* image_get_comp_name (uint8_t comp);
+
+image_header_t* image_get_ramdisk (cmd_tbl_t *cmdtp, int flag,
+ int argc, char *argv[],
+ ulong rd_addr, uint8_t arch, int verify);
+
+void get_ramdisk (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
+ image_header_t *hdr, int verify, uint8_t arch,
+ ulong *rd_start, ulong *rd_end);
#endif /* USE_HOSTCCa */
+
#endif /* __IMAGE_H__ */
diff --git a/lib_arm/bootm.c b/lib_arm/bootm.c
index 4f9aae6..529b097 100644
--- a/lib_arm/bootm.c
+++ b/lib_arm/bootm.c
@@ -26,15 +26,9 @@
#include <image.h>
#include <zlib.h>
#include <asm/byteorder.h>
-#ifdef CONFIG_HAS_DATAFLASH
-#include <dataflash.h>
-#endif
DECLARE_GLOBAL_DATA_PTR;
-/*cmd_boot.c*/
-extern int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
-
#if defined (CONFIG_SETUP_MEMORY_TAGS) || \
defined (CONFIG_CMDLINE_TAG) || \
defined (CONFIG_INITRD_TAG) || \
@@ -69,10 +63,7 @@
void do_bootm_linux (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
image_header_t *hdr, int verify)
{
- ulong rd_addr;
- ulong rd_data, rd_len = 0;
ulong initrd_start, initrd_end;
- image_header_t *rd_hdr;
void (*theKernel)(int zero, int arch, uint params);
bd_t *bd = gd->bd;
@@ -82,109 +73,8 @@
theKernel = (void (*)(int, int, uint))image_get_ep (hdr);
- /*
- * Check if there is an initrd image
- */
- if (argc >= 3) {
- show_boot_progress (9);
-
- rd_addr = simple_strtoul (argv[2], NULL, 16);
- printf ("## Loading Ramdisk Image at %08lx ...\n", rd_addr);
-
- /* Copy header so we can blank CRC field for re-calculation */
-#ifdef CONFIG_HAS_DATAFLASH
- if (addr_dataflash (rd_addr)) {
- rd_hdr = (image_header_t *)CFG_LOAD_ADDR;
- read_dataflash (rd_addr, image_get_header_size (),
- (char *)rd_hdr);
- } else
-#endif
- rd_hdr = (image_header_t *)rd_addr;
-
- if (!image_check_magic (rd_hdr)) {
- printf ("Bad Magic Number\n");
- show_boot_progress (-10);
- do_reset (cmdtp, flag, argc, argv);
- }
-
- if (!image_check_hcrc (rd_hdr)) {
- printf ("Bad Header Checksum\n");
- show_boot_progress (-11);
- do_reset (cmdtp, flag, argc, argv);
- }
-
- show_boot_progress (10);
-
- print_image_hdr (rd_hdr);
-
- rd_data = image_get_data (rd_hdr);
- rd_len = image_get_data_size (rd_hdr);
-
-#ifdef CONFIG_HAS_DATAFLASH
- if (addr_dataflash (rd_addr))
- read_dataflash (rd_addr + image_get_header_size (),
- rd_len, (char *)rd_data);
-#endif
-
- if (verify) {
- printf (" Verifying Checksum ... ");
- if (!image_get_dcrc (rd_hdr)) {
- printf ("Bad Data CRC\n");
- show_boot_progress (-12);
- do_reset (cmdtp, flag, argc, argv);
- }
- printf ("OK\n");
- }
-
- show_boot_progress (11);
-
- if (!image_check_os (rd_hdr, IH_OS_LINUX) ||
- !image_check_arch (rd_hdr, IH_ARCH_ARM) ||
- !image_check_type (rd_hdr, IH_TYPE_RAMDISK)) {
- printf ("No Linux ARM Ramdisk Image\n");
- show_boot_progress (-13);
- do_reset (cmdtp, flag, argc, argv);
- }
-
-#if defined(CONFIG_B2) || defined(CONFIG_EVB4510) || defined(CONFIG_ARMADILLO)
- /*
- *we need to copy the ramdisk to SRAM to let Linux boot
- */
- memmove ((void *)image_get_load (rd_hdr), (uchar *)rd_data, rd_len);
- rd_data = image_get_load (rd_hdr);
-#endif /* CONFIG_B2 || CONFIG_EVB4510 */
-
- /*
- * 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
- */
- show_boot_progress (13);
- image_multi_getimg (hdr, 1, &rd_data, &rd_len);
- } else {
- /*
- * no initrd image
- */
- show_boot_progress (14);
-
- rd_len = rd_data = 0;
- }
-
-#ifdef DEBUG
- if (!rd_data) {
- printf ("No initrd\n");
- }
-#endif
-
- if (rd_data) {
- initrd_start = rd_data;
- initrd_end = initrd_start + rd_len;
- } else {
- initrd_start = 0;
- initrd_end = 0;
- }
+ get_ramdisk (cmdtp, flag, argc, argv, hdr, verify,
+ IH_ARCH_ARM, &initrd_start, &initrd_end);
show_boot_progress (15);
diff --git a/lib_avr32/bootm.c b/lib_avr32/bootm.c
index 455590e..a934cae 100644
--- a/lib_avr32/bootm.c
+++ b/lib_avr32/bootm.c
@@ -31,8 +31,6 @@
DECLARE_GLOBAL_DATA_PTR;
-extern int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
-
/* CPU-specific hook to allow flushing of caches, etc. */
extern void prepare_to_boot(void);
@@ -176,9 +174,7 @@
void do_bootm_linux(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
image_header_t *hdr, int verify)
{
- ulong rd_data, rd_len = 0;
ulong initrd_start, initrd_end;
- image_header_t *rd_hdr;
void (*theKernel)(int magic, void *tagtable);
struct tag *params, *params_start;
@@ -186,72 +182,8 @@
theKernel = (void *)image_get_ep (hdr);
- /*
- * Check if there is an initrd image
- */
- if (argc >= 3) {
- show_boot_progress (9);
-
- rd_hdr = (image_header_t *)simple_strtoul (argv[2], NULL, 16);
- printf ("## Loading RAMDISK image at %08lx ...\n", 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 (rd_hdr)) {
- 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_AVR32) ||
- !image_check_type (rd_hdr, IH_TYPE_RAMDISK)) {
- puts("Not a Linux/AVR32 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);
-
- } else if (image_check_type (hdr, IH_TYPE_MULTI)) {
- /*
- * Get second entry data start address and len
- */
- show_boot_progress (13);
- image_multi_getimg (hdr, 1, &rd_data, &rd_len);
- } else {
- /* no initrd image */
- show_boot_progress (14);
- rd_len = rd_data = 0;
- }
-
- if (rd_data) {
- initrd_start = rd_data;
- initrd_end = initrd_start + rd_len;
- } else {
- initrd_start = 0;
- initrd_end = 0;
- }
+ get_ramdisk (cmdtp, flag, argc, argv, hdr, verify,
+ IH_ARCH_AVR32, &initrd_start, &initrd_end);
show_boot_progress (15);
diff --git a/lib_i386/bootm.c b/lib_i386/bootm.c
index 27a2b0d..ab6c2a9 100644
--- a/lib_i386/bootm.c
+++ b/lib_i386/bootm.c
@@ -37,80 +37,10 @@
void *base_ptr;
ulong os_data, os_len;
- ulong rd_data, rd_len;
ulong initrd_start, initrd_end;
- image_header_t *rd_hdr;
- /*
- * Check if there is an initrd image
- */
- if (argc >= 3) {
- rd_hdr = (image_header_t *)simple_strtoul (argv[2], NULL, 16);
- printf ("## Loading Ramdisk Image at %08lx ...\n", rd_hdr);
-
- if (!image_check_magic (rd_hdr)) {
- printf ("Bad Magic Number\n");
- do_reset (cmdtp, flag, argc, argv);
- }
-
- if (!image_check_hcrc (rd_hdr)) {
- printf ("Bad Header Checksum\n");
- do_reset (cmdtp, flag, argc, argv);
- }
-
- print_image_hdr (rd_hdr);
-
- rd_data = image_get_data (rd_hdr);
- rd_len = image_get_data_size (rd_hdr);
-
- if (verify) {
- printf (" Verifying Checksum ... ");
- if (!image_check_dcrc (rd_hdr)) {
- printf ("Bad Data CRC\n");
- do_reset (cmdtp, flag, argc, argv);
- }
- printf ("OK\n");
- }
-
- if (!image_check_os (rd_hdr, IH_OS_LINUX) ||
- !image_check_arch (rd_hdr, IH_ARCH_I386) ||
- !image_check_type (rd_hdr, IH_TYPE_RAMDISK)) {
- printf ("No Linux i386 Ramdisk Image\n");
- do_reset (cmdtp, flag, argc, argv);
- }
-
- /*
- * 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);
- } else {
- /*
- * no initrd image
- */
- rd_data = rd_len = 0;
- }
-
-#ifdef DEBUG
- if (!rd_data) {
- printf ("No initrd\n");
- }
-#endif
-
- if (rd_data) {
- initrd_start = rd_data;
- initrd_end = initrd_start + rd_len;
- printf (" Loading Ramdisk to %08lx, end %08lx ... ",
- initrd_start, initrd_end);
- memmove ((void *)initrd_start, (void *)rd_data, rd_len);
- printf ("OK\n");
- } else {
- initrd_start = 0;
- initrd_end = 0;
- }
+ get_ramdisk (cmdtp, flag, argc, argv, hdr, verify,
+ IH_ARCH_I386, &initrd_start, &initrd_end);
/* if multi-part image, we need to advance base ptr */
if (image_check_type (hdr, IH_TYPE_MULTI)) {
@@ -121,7 +51,7 @@
}
base_ptr = load_zimage ((void*)os_data, os_len,
- initrd_start, rd_len, 0);
+ initrd_start, initrd_end - initrd_start, 0);
if (NULL == base_ptr) {
printf ("## Kernel loading failed ...\n");
diff --git a/lib_m68k/bootm.c b/lib_m68k/bootm.c
index b135556..dac5276 100644
--- a/lib_m68k/bootm.c
+++ b/lib_m68k/bootm.c
@@ -44,18 +44,15 @@
# define SHOW_BOOT_PROGRESS(arg)
#endif
-int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
-
void do_bootm_linux(cmd_tbl_t * cmdtp, int flag,
int argc, char *argv[],
image_header_t *hdr, int verify)
{
ulong sp;
- ulong rd_data, rd_len;
+ ulong rd_data_start, rd_data_end, rd_len;
ulong initrd_high;
ulong initrd_start, initrd_end;
- image_header_t *rd_hdr;
int initrd_copy_to_ram = 1;
ulong cmd_start, cmd_end;
@@ -132,82 +129,14 @@
kernel =
(void (*)(bd_t *, ulong, ulong, ulong, ulong))image_get_ep (hdr);
- /*
- * Check if there is an initrd image
- */
+ get_ramdisk (cmdtp, flag, argc, argv, hdr, verify,
+ IH_ARCH_M68K, &rd_data_start, &rd_data_end);
+ rd_len = rd_data_end - rd_data_start;
- 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", 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);
-
- rd_data = image_get_data (rd_hdr);
- rd_len = image_get_data_size (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_M68K) ||
- !image_check_type (rd_hdr, IH_TYPE_RAMDISK)) {
- puts("No Linux ColdFire Ramdisk Image\n");
- SHOW_BOOT_PROGRESS(-13);
- do_reset(cmdtp, flag, argc, argv);
- }
-
- /*
- * 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
- */
- SHOW_BOOT_PROGRESS (13);
- image_multi_getimg (hdr, 1, &rd_data, &rd_len);
- } else {
- /*
- * no initrd image
- */
- SHOW_BOOT_PROGRESS(14);
-
- rd_len = rd_data = 0;
- }
-
- 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 */
@@ -245,14 +174,14 @@
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");
}
diff --git a/lib_microblaze/bootm.c b/lib_microblaze/bootm.c
index a4fce5a..1f3e777 100644
--- a/lib_microblaze/bootm.c
+++ b/lib_microblaze/bootm.c
@@ -32,17 +32,10 @@
DECLARE_GLOBAL_DATA_PTR;
-extern int do_reset (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]);
-
void do_bootm_linux (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[],
image_header_t *hdr, int verify)
{
- int i;
- ulong checksum;
-
- ulong rd_data, rd_len;
ulong initrd_start, initrd_end;
- image_header_t *rd_hdr;
/* First parameter is mapped to $r5 for kernel boot args */
void (*theKernel) (char *);
@@ -50,82 +43,8 @@
theKernel = (void (*)(char *))image_get_ep (hdr);
- /* Check if there is an initrd image */
- if (argc >= 3) {
- show_boot_progress (9);
-
- rd_hdr = (image_header_t *)simple_strtoul (argv[2], NULL, 16);
- printf ("## Loading Ramdisk Image at %08lx ...\n", rd_hdr);
-
- if (!image_check_magic (rd_hdr)) {
- printf ("Bad Magic Number\n");
- show_boot_progress (-10);
- do_reset (cmdtp, flag, argc, argv);
- }
-
- if (!image_check_magic (rd_hdr)) {
- printf ("Bad Header Checksum\n");
- show_boot_progress (-11);
- do_reset (cmdtp, flag, argc, argv);
- }
-
- show_boot_progress (10);
- print_image_hdr (rd_hdr);
-
- rd_data = image_get_data (rd_hdr);
- rd_en = image_get_data_size (rd_hdr);
-
- if (verify) {
- printf (" Verifying Checksum ... ");
- if (!image_check_dcrc (rd_hdr)) {
- printf ("Bad Data CRC\n");
- show_boot_progress (-12);
- do_reset (cmdtp, flag, argc, argv);
- }
- printf ("OK\n");
- }
-
- show_boot_progress (11);
-
- if (!image_check_os (rd_hdr, IH_OS_LINUX) ||
- !image_check_arch (rd_hdr, IH_ARCH_MICROBLAZE) ||
- !image_check_type (rd_hdr, IH_TYPE_RAMDISK)) {
- printf ("No Linux Microblaze Ramdisk Image\n");
- show_boot_progress (-13);
- do_reset (cmdtp, flag, argc, argv);
- }
-
- /*
- * 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
- */
- show_boot_progress (13);
- image_multi_getimg (hdr, 1, &rd_data, &rd_len);
- } else {
- /*
- * no initrd image
- */
- show_boot_progress (14);
-
- rd_data = rd_len = 0;
- }
-
-#ifdef DEBUG
- if (!rd_data) {
- printf ("No initrd\n");
- }
-#endif
-
- if (rd_data) {
- initrd_start = rd_data;
- initrd_end = initrd_start + rd_len;
- } else {
- initrd_start = 0;
- initrd_end = 0;
- }
+ get_ramdisk (cmdtp, flag, argc, argv, hdr, verify,
+ IH_ARCH_MICROBLAZE, &initrd_start, &initrd_end);
show_boot_progress (15);
diff --git a/lib_mips/bootm.c b/lib_mips/bootm.c
index 7ea7571..fb91c76 100644
--- a/lib_mips/bootm.c
+++ b/lib_mips/bootm.c
@@ -33,8 +33,6 @@
#define LINUX_MAX_ENVS 256
#define LINUX_MAX_ARGS 256
-extern int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
-
static int linux_argc;
static char ** linux_argv;
@@ -49,9 +47,7 @@
void do_bootm_linux (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[],
image_header_t *hdr, int verify)
{
- ulong rd_data, rd_len;
ulong initrd_start, initrd_end;
- image_header_t *rd_hdr;
void (*theKernel) (int, char **, char **, int *);
char *commandline = getenv ("bootargs");
@@ -60,84 +56,8 @@
theKernel =
(void (*)(int, char **, char **, int *))image_get_ep (hdr);
- /*
- * Check if there is an initrd image
- */
- if (argc >= 3) {
- show_boot_progress (9);
-
- rd_hdr = (image_header_t *)simple_strtoul (argv[2], NULL, 16);
- printf ("## Loading Ramdisk Image at %08lx ...\n", rd_hdr);
-
- if (!image_check_magic (rd_hdr)) {
- printf ("Bad Magic Number\n");
- show_boot_progress (-10);
- do_reset (cmdtp, flag, argc, argv);
- }
-
- if (!image_check_hcrc (rd_hdr)) {
- printf ("Bad Header Checksum\n");
- show_boot_progress (-11);
- do_reset (cmdtp, flag, argc, argv);
- }
-
- show_boot_progress (10);
- print_image_hdr (rd_hdr);
-
- rd_data = image_get_data (rd_hdr);
- rd_len = image_get_data_size (rd_hdr);
-
- if (verify) {
- printf (" Verifying Checksum ... ");
- if (!image_check_dcrc (rd_hdr)) {
- printf ("Bad Data CRC\n");
- show_boot_progress (-12);
- do_reset (cmdtp, flag, argc, argv);
- }
- printf ("OK\n");
- }
-
- show_boot_progress (11);
-
- if (!image_check_os (rd_hdr, IH_OS_LINUX) ||
- !image_check_arch (rd_hdr, IH_ARCH_MIPS) ||
- !image_check_type (rd_hdr, IH_TYPE_RAMDISK)) {
- printf ("No Linux MIPS Ramdisk Image\n");
- show_boot_progress (-13);
- do_reset (cmdtp, flag, argc, argv);
- }
-
- /*
- * 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
- */
- show_boot_progress (13);
- image_multi_getimg (hdr, 1, &rd_data, &rd_len);
- } else {
- /*
- * no initrd image
- */
- show_boot_progress (14);
-
- rd_data = rd_len = 0;
- }
-
-#ifdef DEBUG
- if (!rd_data) {
- printf ("No initrd\n");
- }
-#endif
-
- if (rd_data) {
- initrd_start = rd_data;
- initrd_end = initrd_start + rd_len;
- } else {
- initrd_start = 0;
- initrd_end = 0;
- }
+ get_ramdisk (cmdtp, flag, argc, argv, hdr, verify,
+ IH_ARCH_MIPS, &initrd_start, &initrd_end);
show_boot_progress (15);
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");
}