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-rw-r--r--lib_mips/Makefile10
-rw-r--r--lib_mips/bootm.c (renamed from lib_mips/mips_linux.c)154
2 files changed, 43 insertions, 121 deletions
diff --git a/lib_mips/Makefile b/lib_mips/Makefile
index 3163f00..799eaf2 100644
--- a/lib_mips/Makefile
+++ b/lib_mips/Makefile
@@ -25,12 +25,14 @@ include $(TOPDIR)/config.mk
LIB = $(obj)lib$(ARCH).a
-SOBJS =
+SOBJS-y +=
-COBJS = board.o time.o mips_linux.o
+COBJS-y += board.o
+COBJS-y += bootm.o
+COBJS-y += time.o
-SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
-OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS))
+SRCS := $(SOBJS-y:.o=.S) $(COBJS-y:.o=.c)
+OBJS := $(addprefix $(obj),$(SOBJS-y) $(COBJS-y))
$(LIB): $(obj).depend $(OBJS)
$(AR) $(ARFLAGS) $@ $(OBJS)
diff --git a/lib_mips/mips_linux.c b/lib_mips/bootm.c
index 556b180..e4c139e 100644
--- a/lib_mips/mips_linux.c
+++ b/lib_mips/bootm.c
@@ -33,10 +33,6 @@ DECLARE_GLOBAL_DATA_PTR;
#define LINUX_MAX_ENVS 256
#define LINUX_MAX_ARGS 256
-extern image_header_t header; /* from cmd_bootm.c */
-
-extern int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
-
static int linux_argc;
static char ** linux_argv;
@@ -47,126 +43,40 @@ static int linux_env_idx;
static void linux_params_init (ulong start, char * commandline);
static void linux_env_set (char * env_name, char * env_val);
+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[],
- ulong addr, ulong * len_ptr, int verify)
+ bootm_headers_t *images)
{
- ulong len = 0, checksum;
- ulong initrd_start, initrd_end;
- ulong data;
- void (*theKernel) (int, char **, char **, int *);
- image_header_t *hdr = &header;
- char *commandline = getenv ("bootargs");
- char env_buf[12];
-
- theKernel =
- (void (*)(int, char **, char **, int *)) ntohl (hdr->ih_ep);
-
- /*
- * Check if there is an initrd image
- */
- if (argc >= 3) {
- show_boot_progress (9);
-
- addr = simple_strtoul (argv[2], NULL, 16);
-
- printf ("## Loading Ramdisk Image at %08lx ...\n", addr);
-
- /* Copy header so we can blank CRC field for re-calculation */
- memcpy (&header, (char *) addr, sizeof (image_header_t));
-
- if (ntohl (hdr->ih_magic) != IH_MAGIC) {
- printf ("Bad Magic Number\n");
- show_boot_progress (-10);
- do_reset (cmdtp, flag, argc, argv);
- }
-
- data = (ulong) & header;
- len = sizeof (image_header_t);
-
- checksum = ntohl (hdr->ih_hcrc);
- hdr->ih_hcrc = 0;
-
- if (crc32 (0, (uchar *) data, len) != checksum) {
- printf ("Bad Header Checksum\n");
- show_boot_progress (-11);
- do_reset (cmdtp, flag, argc, argv);
+ ulong initrd_start, initrd_end;
+ ulong ep = 0;
+ void (*theKernel) (int, char **, char **, int *);
+ char *commandline = getenv ("bootargs");
+ char env_buf[12];
+ int ret;
+
+ /* find kernel entry point */
+ if (images->legacy_hdr_valid) {
+ ep = image_get_ep (images->legacy_hdr_os);
+#if defined(CONFIG_FIT)
+ } else if (images->fit_uname_os) {
+ ret = fit_image_get_entry (images->fit_hdr_os,
+ images->fit_noffset_os, &ep);
+ if (ret) {
+ puts ("Can't get entry point property!\n");
+ goto error;
}
-
- show_boot_progress (10);
-
- print_image_hdr (hdr);
-
- data = addr + sizeof (image_header_t);
- len = ntohl (hdr->ih_size);
-
- if (verify) {
- ulong csum = 0;
-
- printf (" Verifying Checksum ... ");
- csum = crc32 (0, (uchar *) data, len);
- if (csum != ntohl (hdr->ih_dcrc)) {
- printf ("Bad Data CRC\n");
- show_boot_progress (-12);
- do_reset (cmdtp, flag, argc, argv);
- }
- printf ("OK\n");
- }
-
- show_boot_progress (11);
-
- if ((hdr->ih_os != IH_OS_LINUX) ||
- (hdr->ih_arch != IH_CPU_MIPS) ||
- (hdr->ih_type != 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 ((hdr->ih_type == IH_TYPE_MULTI) && (len_ptr[1])) {
- ulong tail = ntohl (len_ptr[0]) % 4;
- int i;
-
- show_boot_progress (13);
-
- /* skip kernel length and terminator */
- data = (ulong) (&len_ptr[2]);
- /* skip any additional image length fields */
- for (i = 1; len_ptr[i]; ++i)
- data += 4;
- /* add kernel length, and align */
- data += ntohl (len_ptr[0]);
- if (tail) {
- data += 4 - tail;
- }
-
- len = ntohl (len_ptr[1]);
-
- } else {
- /*
- * no initrd image
- */
- show_boot_progress (14);
-
- data = 0;
- }
-
-#ifdef DEBUG
- if (!data) {
- printf ("No initrd\n");
- }
#endif
-
- if (data) {
- initrd_start = data;
- initrd_end = initrd_start + len;
} else {
- initrd_start = 0;
- initrd_end = 0;
+ puts ("Could not find kernel entry point!\n");
+ goto error;
}
+ theKernel = (void (*)(int, char **, char **, int *))ep;
+
+ ret = boot_get_ramdisk (argc, argv, images, IH_ARCH_MIPS,
+ &initrd_start, &initrd_end);
+ if (ret)
+ goto error;
show_boot_progress (15);
@@ -203,10 +113,20 @@ void do_bootm_linux (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[],
sprintf (env_buf, "0x%X", (uint) (gd->bd->bi_flashsize));
linux_env_set ("flash_size", env_buf);
+ if (!images->autostart)
+ return ;
+
/* we assume that the kernel is in place */
printf ("\nStarting kernel ...\n\n");
theKernel (linux_argc, linux_argv, linux_env, 0);
+ /* does not return */
+ return;
+
+error:
+ if (images->autostart)
+ do_reset (cmdtp, flag, argc, argv);
+ return;
}
static void linux_params_init (ulong start, char *line)