[new uImage] Cleanup cmd_bootm.c
- sort and cleanup headers, declarations, etc.
- group related routines
- cleanup indentation, white spaces
Signed-off-by: Marian Balakowicz <m8@semihalf.com>
diff --git a/common/cmd_bootm.c b/common/cmd_bootm.c
index b059336..2de1329 100644
--- a/common/cmd_bootm.c
+++ b/common/cmd_bootm.c
@@ -44,11 +44,6 @@
#include <ft_build.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_TIMESTAMP) || defined(CONFIG_CMD_DATE)
#include <rtc.h>
#endif
@@ -61,7 +56,12 @@
#include <dataflash.h>
#endif
-int gunzip (void *, int, unsigned char *, unsigned long *);
+DECLARE_GLOBAL_DATA_PTR;
+
+extern int gunzip (void *dst, int dstlen, unsigned char *src, unsigned long *lenp);
+#ifndef CFG_BOOTM_LEN
+#define CFG_BOOTM_LEN 0x800000 /* use 8MByte as default max gunzip size */
+#endif
#ifdef CONFIG_BZIP2
extern void bz_internal_error(int);
@@ -77,7 +77,12 @@
static int do_imls (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
#endif
+#ifdef CONFIG_SILENT_CONSOLE
+static void fixup_silent_linux (void);
+#endif
+
static void print_type (image_header_t *hdr);
+extern int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
/*
* Continue booting an OS image; caller already has:
@@ -87,41 +92,38 @@
* - loaded (first part of) image to header load address,
* - disabled interrupts.
*/
-typedef void boot_os_Fcn (cmd_tbl_t *cmdtp, int flag,
- int argc, char *argv[],
- ulong addr, /* of image to boot */
- ulong *len_ptr, /* multi-file image length table */
- int verify); /* getenv("verify")[0] != 'n' */
+typedef void boot_os_fn (cmd_tbl_t *cmdtp, int flag,
+ int argc, char *argv[],
+ ulong addr, /* of image to boot */
+ ulong *len_ptr, /* multi-file image length table */
+ int verify); /* getenv("verify")[0] != 'n' */
-extern boot_os_Fcn do_bootm_linux;
-
-#ifdef CONFIG_SILENT_CONSOLE
-static void fixup_silent_linux (void);
+extern boot_os_fn do_bootm_linux;
+static boot_os_fn do_bootm_netbsd;
+#ifdef CONFIG_LYNXKDI
+static boot_os_fn do_bootm_lynxkdi;
+extern void lynxkdi_boot (image_header_t *);
#endif
-static boot_os_Fcn do_bootm_netbsd;
-static boot_os_Fcn do_bootm_rtems;
+static boot_os_fn do_bootm_rtems;
#if defined(CONFIG_CMD_ELF)
-static boot_os_Fcn do_bootm_vxworks;
-static boot_os_Fcn do_bootm_qnxelf;
-int do_bootvx ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[] );
-int do_bootelf (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[] );
+static boot_os_fn do_bootm_vxworks;
+static boot_os_fn do_bootm_qnxelf;
+int do_bootvx (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
+int do_bootelf (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
#endif
#if defined(CONFIG_ARTOS) && defined(CONFIG_PPC)
-static boot_os_Fcn do_bootm_artos;
-#endif
-#ifdef CONFIG_LYNXKDI
-static boot_os_Fcn do_bootm_lynxkdi;
-extern void lynxkdi_boot( image_header_t * );
-#endif
-
-#ifndef CFG_BOOTM_LEN
-#define CFG_BOOTM_LEN 0x800000 /* use 8MByte as default max gunzip size */
+extern uchar (*env_get_char)(int); /* Returns a character from the environment */
+static boot_os_fn do_bootm_artos;
#endif
image_header_t header;
-ulong load_addr = CFG_LOAD_ADDR; /* Default Load Address */
+ulong load_addr = CFG_LOAD_ADDR; /* Default Load Address */
+
+/*******************************************************************/
+/* bootm - boot application image from image in memory */
+/*******************************************************************/
int do_bootm (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{
ulong iflag;
@@ -175,7 +177,6 @@
}
#endif
-
/* for multi-file images we need the data part, too */
print_image_hdr ((image_header_t *)addr);
@@ -220,7 +221,8 @@
for (i=1; len_ptr[i]; ++i)
data += 4;
break;
- default: printf ("Wrong Image Type for %s command\n", cmdtp->name);
+ default:
+ printf ("Wrong Image Type for %s command\n", cmdtp->name);
show_boot_progress (-5);
return 1;
}
@@ -231,7 +233,6 @@
* overwrite all exception vector code, so we cannot easily
* recover from any failures any more...
*/
-
iflag = disable_interrupts();
#ifdef CONFIG_AMIGAONEG3SE
@@ -334,6 +335,7 @@
do_bootm_linux (cmdtp, flag, argc, argv,
addr, len_ptr, verify);
break;
+
case IH_OS_NETBSD:
do_bootm_netbsd (cmdtp, flag, argc, argv,
addr, len_ptr, verify);
@@ -361,6 +363,7 @@
addr, len_ptr, verify);
break;
#endif
+
#ifdef CONFIG_ARTOS
case IH_OS_ARTOS:
do_bootm_artos (cmdtp, flag, argc, argv,
@@ -378,11 +381,11 @@
}
U_BOOT_CMD(
- bootm, CFG_MAXARGS, 1, do_bootm,
- "bootm - boot application image from memory\n",
- "[addr [arg ...]]\n - boot application image stored in memory\n"
- "\tpassing arguments 'arg ...'; when booting a Linux kernel,\n"
- "\t'arg' can be the address of an initrd image\n"
+ bootm, CFG_MAXARGS, 1, do_bootm,
+ "bootm - boot application image from memory\n",
+ "[addr [arg ...]]\n - boot application image stored in memory\n"
+ "\tpassing arguments 'arg ...'; when booting a Linux kernel,\n"
+ "\t'arg' can be the address of an initrd image\n"
#if defined(CONFIG_OF_FLAT_TREE) || defined(CONFIG_OF_LIBFDT)
"\tWhen booting a Linux kernel which requires a flat device-tree\n"
"\ta third argument is required which is the address of the\n"
@@ -392,251 +395,59 @@
#endif
);
-#ifdef CONFIG_SILENT_CONSOLE
-static void
-fixup_silent_linux ()
-{
- char buf[256], *start, *end;
- char *cmdline = getenv ("bootargs");
-
- /* Only fix cmdline when requested */
- if (!(gd->flags & GD_FLG_SILENT))
- return;
-
- debug ("before silent fix-up: %s\n", cmdline);
- if (cmdline) {
- if ((start = strstr (cmdline, "console=")) != NULL) {
- end = strchr (start, ' ');
- strncpy (buf, cmdline, (start - cmdline + 8));
- if (end)
- strcpy (buf + (start - cmdline + 8), end);
- else
- buf[start - cmdline + 8] = '\0';
- } else {
- strcpy (buf, cmdline);
- strcat (buf, " console=");
- }
- } else {
- strcpy (buf, "console=");
- }
-
- setenv ("bootargs", buf);
- debug ("after silent fix-up: %s\n", buf);
-}
-#endif /* CONFIG_SILENT_CONSOLE */
-
-static void
-do_bootm_netbsd (cmd_tbl_t *cmdtp, int flag,
- int argc, char *argv[],
- ulong addr,
- ulong *len_ptr,
- int verify)
-{
- image_header_t *hdr = &header;
-
- void (*loader)(bd_t *, image_header_t *, char *, char *);
- image_header_t *img_addr;
- char *consdev;
- char *cmdline;
-
-
- /*
- * Booting a (NetBSD) kernel image
- *
- * This process is pretty similar to a standalone application:
- * The (first part of an multi-) image must be a stage-2 loader,
- * which in turn is responsible for loading & invoking the actual
- * kernel. The only differences are the parameters being passed:
- * besides the board info strucure, the loader expects a command
- * line, the name of the console device, and (optionally) the
- * address of the original image header.
- */
-
- img_addr = 0;
- if ((image_check_type (hdr, IH_TYPE_MULTI)) && (len_ptr[1]))
- img_addr = (image_header_t *) addr;
-
-
- consdev = "";
-#if defined (CONFIG_8xx_CONS_SMC1)
- consdev = "smc1";
-#elif defined (CONFIG_8xx_CONS_SMC2)
- consdev = "smc2";
-#elif defined (CONFIG_8xx_CONS_SCC2)
- consdev = "scc2";
-#elif defined (CONFIG_8xx_CONS_SCC3)
- consdev = "scc3";
-#endif
-
- if (argc > 2) {
- ulong len;
- int i;
-
- for (i=2, len=0 ; i<argc ; i+=1)
- len += strlen (argv[i]) + 1;
- cmdline = malloc (len);
-
- for (i=2, len=0 ; i<argc ; i+=1) {
- if (i > 2)
- cmdline[len++] = ' ';
- strcpy (&cmdline[len], argv[i]);
- len += strlen (argv[i]);
- }
- } else if ((cmdline = getenv("bootargs")) == NULL) {
- cmdline = "";
- }
-
- loader = (void (*)(bd_t *, image_header_t *, char *, char *))image_get_ep (hdr);
-
- printf ("## Transferring control to NetBSD stage-2 loader (at address %08lx) ...\n",
- (ulong)loader);
-
- show_boot_progress (15);
-
- /*
- * NetBSD Stage-2 Loader Parameters:
- * r3: ptr to board info data
- * r4: image address
- * r5: console device
- * r6: boot args string
- */
- (*loader) (gd->bd, img_addr, consdev, cmdline);
-}
-
-#if defined(CONFIG_ARTOS) && defined(CONFIG_PPC)
-
-/* Function that returns a character from the environment */
-extern uchar (*env_get_char)(int);
-
-static void
-do_bootm_artos (cmd_tbl_t *cmdtp, int flag,
- int argc, char *argv[],
- ulong addr,
- ulong *len_ptr,
- int verify)
-{
- ulong top;
- char *s, *cmdline;
- char **fwenv, **ss;
- int i, j, nxt, len, envno, envsz;
- bd_t *kbd;
- void (*entry)(bd_t *bd, char *cmdline, char **fwenv, ulong top);
- image_header_t *hdr = &header;
-
- /*
- * Booting an ARTOS kernel image + application
- */
-
- /* this used to be the top of memory, but was wrong... */
-#ifdef CONFIG_PPC
- /* get stack pointer */
- asm volatile ("mr %0,1" : "=r"(top) );
-#endif
- debug ("## Current stack ends at 0x%08lX ", top);
-
- top -= 2048; /* just to be sure */
- if (top > CFG_BOOTMAPSZ)
- top = CFG_BOOTMAPSZ;
- top &= ~0xF;
-
- debug ("=> set upper limit to 0x%08lX\n", top);
-
- /* first check the artos specific boot args, then the linux args*/
- if ((s = getenv("abootargs")) == NULL && (s = getenv("bootargs")) == NULL)
- s = "";
-
- /* get length of cmdline, and place it */
- len = strlen(s);
- top = (top - (len + 1)) & ~0xF;
- cmdline = (char *)top;
- debug ("## cmdline at 0x%08lX ", top);
- strcpy(cmdline, s);
-
- /* copy bdinfo */
- top = (top - sizeof(bd_t)) & ~0xF;
- debug ("## bd at 0x%08lX ", top);
- kbd = (bd_t *)top;
- memcpy(kbd, gd->bd, sizeof(bd_t));
-
- /* first find number of env entries, and their size */
- envno = 0;
- envsz = 0;
- for (i = 0; env_get_char(i) != '\0'; i = nxt + 1) {
- for (nxt = i; env_get_char(nxt) != '\0'; ++nxt)
- ;
- envno++;
- envsz += (nxt - i) + 1; /* plus trailing zero */
- }
- envno++; /* plus the terminating zero */
- debug ("## %u envvars total size %u ", envno, envsz);
-
- top = (top - sizeof(char **)*envno) & ~0xF;
- fwenv = (char **)top;
- debug ("## fwenv at 0x%08lX ", top);
-
- top = (top - envsz) & ~0xF;
- s = (char *)top;
- ss = fwenv;
-
- /* now copy them */
- for (i = 0; env_get_char(i) != '\0'; i = nxt + 1) {
- for (nxt = i; env_get_char(nxt) != '\0'; ++nxt)
- ;
- *ss++ = s;
- for (j = i; j < nxt; ++j)
- *s++ = env_get_char(j);
- *s++ = '\0';
- }
- *ss++ = NULL; /* terminate */
-
- entry = (void (*)(bd_t *, char *, char **, ulong))image_get_ep (hdr);
- (*entry)(kbd, cmdline, fwenv, top);
-}
-#endif
-
-
+/*******************************************************************/
+/* bootd - boot default image */
+/*******************************************************************/
#if defined(CONFIG_CMD_BOOTD)
int do_bootd (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{
int rcode = 0;
+
#ifndef CFG_HUSH_PARSER
- if (run_command (getenv ("bootcmd"), flag) < 0) rcode = 1;
+ if (run_command (getenv ("bootcmd"), flag) < 0)
+ rcode = 1;
#else
- if (parse_string_outer(getenv("bootcmd"),
- FLAG_PARSE_SEMICOLON | FLAG_EXIT_FROM_LOOP) != 0 ) rcode = 1;
+ if (parse_string_outer (getenv ("bootcmd"),
+ FLAG_PARSE_SEMICOLON | FLAG_EXIT_FROM_LOOP) != 0)
+ rcode = 1;
#endif
return rcode;
}
U_BOOT_CMD(
- boot, 1, 1, do_bootd,
- "boot - boot default, i.e., run 'bootcmd'\n",
+ boot, 1, 1, do_bootd,
+ "boot - boot default, i.e., run 'bootcmd'\n",
NULL
);
/* keep old command name "bootd" for backward compatibility */
U_BOOT_CMD(
- bootd, 1, 1, do_bootd,
- "bootd - boot default, i.e., run 'bootcmd'\n",
+ bootd, 1, 1, do_bootd,
+ "bootd - boot default, i.e., run 'bootcmd'\n",
NULL
);
#endif
+
+/*******************************************************************/
+/* iminfo - print header info for a requested image */
+/*******************************************************************/
#if defined(CONFIG_CMD_IMI)
-int do_iminfo ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+int do_iminfo (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{
int arg;
ulong addr;
- int rcode=0;
+ int rcode = 0;
if (argc < 2) {
return image_info (load_addr);
}
- for (arg=1; arg <argc; ++arg) {
- addr = simple_strtoul(argv[arg], NULL, 16);
- if (image_info (addr) != 0) rcode = 1;
+ for (arg = 1; arg < argc; ++arg) {
+ addr = simple_strtoul (argv[arg], NULL, 16);
+ if (image_info (addr) != 0)
+ rcode = 1;
}
return rcode;
}
@@ -676,23 +487,25 @@
" address 'addr' in memory; this includes verification of the\n"
" image contents (magic number, header and payload checksums)\n"
);
-
#endif
+
+/*******************************************************************/
+/* imls - list all images found in flash */
+/*******************************************************************/
#if defined(CONFIG_CMD_IMLS)
-/*-----------------------------------------------------------------------
- * List all images found in flash.
- */
int do_imls (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{
flash_info_t *info;
int i, j;
image_header_t *hdr;
- for (i=0, info=&flash_info[0]; i<CFG_MAX_FLASH_BANKS; ++i, ++info) {
+ for (i = 0, info = &flash_info[0];
+ i < CFG_MAX_FLASH_BANKS; ++i, ++info) {
+
if (info->flash_id == FLASH_UNKNOWN)
goto next_bank;
- for (j=0; j<info->sector_count; ++j) {
+ for (j = 0; j < info->sector_count; ++j) {
hdr = (image_header_t *)info->start[j];
@@ -728,8 +541,10 @@
);
#endif
-void
-print_image_hdr (image_header_t *hdr)
+/*******************************************************************/
+/* */
+/*******************************************************************/
+void print_image_hdr (image_header_t *hdr)
{
#if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE)
time_t timestamp = (time_t)image_get_time (hdr);
@@ -737,13 +552,16 @@
#endif
printf (" Image Name: %.*s\n", IH_NMLEN, image_get_name (hdr));
+
#if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE)
to_tm (timestamp, &tm);
printf (" Created: %4d-%02d-%02d %2d:%02d:%02d UTC\n",
tm.tm_year, tm.tm_mon, tm.tm_mday,
tm.tm_hour, tm.tm_min, tm.tm_sec);
#endif
- puts (" Image Type: "); print_type(hdr);
+ puts (" Image Type: ");
+ print_type (hdr);
+
printf ("\n Data Size: %d Bytes = ", image_get_data_size (hdr));
print_size (image_get_data_size (hdr), "\n");
printf (" Load Address: %08x\n"
@@ -756,16 +574,14 @@
ulong *len_ptr = (ulong *)((ulong)hdr + image_get_header_size ());
puts (" Contents:\n");
- for (i=0; (len = image_to_cpu (*len_ptr)); ++i, ++len_ptr) {
+ for (i = 0; (len = image_to_cpu (*len_ptr)); ++i, ++len_ptr) {
printf (" Image %d: %8ld Bytes = ", i, len);
print_size (len, "\n");
}
}
}
-
-static void
-print_type (image_header_t *hdr)
+static void print_type (image_header_t *hdr)
{
char *os, *arch, *type, *comp;
@@ -830,12 +646,134 @@
printf ("%s %s %s (%s)", arch, os, type, comp);
}
-static void
-do_bootm_rtems (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
- ulong addr, ulong *len_ptr, int verify)
+#ifdef CONFIG_SILENT_CONSOLE
+static void fixup_silent_linux ()
+{
+ char buf[256], *start, *end;
+ char *cmdline = getenv ("bootargs");
+
+ /* Only fix cmdline when requested */
+ if (!(gd->flags & GD_FLG_SILENT))
+ return;
+
+ debug ("before silent fix-up: %s\n", cmdline);
+ if (cmdline) {
+ if ((start = strstr (cmdline, "console=")) != NULL) {
+ end = strchr (start, ' ');
+ strncpy (buf, cmdline, (start - cmdline + 8));
+ if (end)
+ strcpy (buf + (start - cmdline + 8), end);
+ else
+ buf[start - cmdline + 8] = '\0';
+ } else {
+ strcpy (buf, cmdline);
+ strcat (buf, " console=");
+ }
+ } else {
+ strcpy (buf, "console=");
+ }
+
+ setenv ("bootargs", buf);
+ debug ("after silent fix-up: %s\n", buf);
+}
+#endif /* CONFIG_SILENT_CONSOLE */
+
+
+/*******************************************************************/
+/* OS booting routines */
+/*******************************************************************/
+
+static void do_bootm_netbsd (cmd_tbl_t *cmdtp, int flag,
+ int argc, char *argv[],
+ ulong addr, ulong *len_ptr,
+ int verify)
{
image_header_t *hdr = &header;
- void (*entry_point)(bd_t *);
+
+ void (*loader)(bd_t *, image_header_t *, char *, char *);
+ image_header_t *img_addr;
+ char *consdev;
+ char *cmdline;
+
+ /*
+ * Booting a (NetBSD) kernel image
+ *
+ * This process is pretty similar to a standalone application:
+ * The (first part of an multi-) image must be a stage-2 loader,
+ * which in turn is responsible for loading & invoking the actual
+ * kernel. The only differences are the parameters being passed:
+ * besides the board info strucure, the loader expects a command
+ * line, the name of the console device, and (optionally) the
+ * address of the original image header.
+ */
+
+ img_addr = 0;
+ if ((image_check_type (hdr, IH_TYPE_MULTI)) && (len_ptr[1]))
+ img_addr = (image_header_t *)addr;
+
+ consdev = "";
+#if defined (CONFIG_8xx_CONS_SMC1)
+ consdev = "smc1";
+#elif defined (CONFIG_8xx_CONS_SMC2)
+ consdev = "smc2";
+#elif defined (CONFIG_8xx_CONS_SCC2)
+ consdev = "scc2";
+#elif defined (CONFIG_8xx_CONS_SCC3)
+ consdev = "scc3";
+#endif
+
+ if (argc > 2) {
+ ulong len;
+ int i;
+
+ for (i = 2, len = 0; i < argc; i += 1)
+ len += strlen (argv[i]) + 1;
+ cmdline = malloc (len);
+
+ for (i = 2, len = 0; i < argc; i += 1) {
+ if (i > 2)
+ cmdline[len++] = ' ';
+ strcpy (&cmdline[len], argv[i]);
+ len += strlen (argv[i]);
+ }
+ } else if ((cmdline = getenv ("bootargs")) == NULL) {
+ cmdline = "";
+ }
+
+ loader = (void (*)(bd_t *, image_header_t *, char *, char *))image_get_ep (hdr);
+
+ printf ("## Transferring control to NetBSD stage-2 loader (at address %08lx) ...\n",
+ (ulong)loader);
+
+ show_boot_progress (15);
+
+ /*
+ * NetBSD Stage-2 Loader Parameters:
+ * r3: ptr to board info data
+ * r4: image address
+ * r5: console device
+ * r6: boot args string
+ */
+ (*loader) (gd->bd, img_addr, consdev, cmdline);
+}
+
+#ifdef CONFIG_LYNXKDI
+static void do_bootm_lynxkdi (cmd_tbl_t *cmdtp, int flag,
+ int argc, char *argv[],
+ ulong addr, ulong *len_ptr,
+ int verify)
+{
+ lynxkdi_boot (&header);
+}
+#endif /* CONFIG_LYNXKDI */
+
+static void do_bootm_rtems (cmd_tbl_t *cmdtp, int flag,
+ int argc, char *argv[],
+ ulong addr, ulong *len_ptr,
+ int verify)
+{
+ image_header_t *hdr = &header;
+ void (*entry_point)(bd_t *);
entry_point = (void (*)(bd_t *))image_get_ep (hdr);
@@ -848,14 +786,14 @@
* RTEMS Parameters:
* r3: ptr to board info data
*/
-
- (*entry_point ) ( gd->bd );
+ (*entry_point)(gd->bd);
}
#if defined(CONFIG_CMD_ELF)
-static void
-do_bootm_vxworks (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
- ulong addr, ulong *len_ptr, int verify)
+static void do_bootm_vxworks (cmd_tbl_t *cmdtp, int flag,
+ int argc, char *argv[],
+ ulong addr, ulong *len_ptr,
+ int verify)
{
image_header_t *hdr = &header;
char str[80];
@@ -865,9 +803,10 @@
do_bootvx(cmdtp, 0, 0, NULL);
}
-static void
-do_bootm_qnxelf (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
- ulong addr, ulong *len_ptr, int verify)
+static void do_bootm_qnxelf (cmd_tbl_t *cmdtp, int flag,
+ int argc, char *argv[],
+ ulong addr, ulong *len_ptr,
+ int verify)
{
image_header_t *hdr = &header;
char *local_args[2];
@@ -880,15 +819,87 @@
}
#endif
-#ifdef CONFIG_LYNXKDI
-static void
-do_bootm_lynxkdi (cmd_tbl_t *cmdtp, int flag,
- int argc, char *argv[],
- ulong addr,
- ulong *len_ptr,
- int verify)
+#if defined(CONFIG_ARTOS) && defined(CONFIG_PPC)
+static void do_bootm_artos (cmd_tbl_t *cmdtp, int flag,
+ int argc, char *argv[],
+ ulong addr, ulong *len_ptr,
+ int verify)
{
- lynxkdi_boot( &header );
-}
+ ulong top;
+ char *s, *cmdline;
+ char **fwenv, **ss;
+ int i, j, nxt, len, envno, envsz;
+ bd_t *kbd;
+ void (*entry)(bd_t *bd, char *cmdline, char **fwenv, ulong top);
+ image_header_t *hdr = &header;
-#endif /* CONFIG_LYNXKDI */
+ /*
+ * Booting an ARTOS kernel image + application
+ */
+
+ /* this used to be the top of memory, but was wrong... */
+#ifdef CONFIG_PPC
+ /* get stack pointer */
+ asm volatile ("mr %0,1" : "=r"(top) );
+#endif
+ debug ("## Current stack ends at 0x%08lX ", top);
+
+ top -= 2048; /* just to be sure */
+ if (top > CFG_BOOTMAPSZ)
+ top = CFG_BOOTMAPSZ;
+ top &= ~0xF;
+
+ debug ("=> set upper limit to 0x%08lX\n", top);
+
+ /* first check the artos specific boot args, then the linux args*/
+ if ((s = getenv( "abootargs")) == NULL && (s = getenv ("bootargs")) == NULL)
+ s = "";
+
+ /* get length of cmdline, and place it */
+ len = strlen (s);
+ top = (top - (len + 1)) & ~0xF;
+ cmdline = (char *)top;
+ debug ("## cmdline at 0x%08lX ", top);
+ strcpy (cmdline, s);
+
+ /* copy bdinfo */
+ top = (top - sizeof (bd_t)) & ~0xF;
+ debug ("## bd at 0x%08lX ", top);
+ kbd = (bd_t *)top;
+ memcpy (kbd, gd->bd, sizeof (bd_t));
+
+ /* first find number of env entries, and their size */
+ envno = 0;
+ envsz = 0;
+ for (i = 0; env_get_char (i) != '\0'; i = nxt + 1) {
+ for (nxt = i; env_get_char (nxt) != '\0'; ++nxt)
+ ;
+ envno++;
+ envsz += (nxt - i) + 1; /* plus trailing zero */
+ }
+ envno++; /* plus the terminating zero */
+ debug ("## %u envvars total size %u ", envno, envsz);
+
+ top = (top - sizeof (char **) * envno) & ~0xF;
+ fwenv = (char **)top;
+ debug ("## fwenv at 0x%08lX ", top);
+
+ top = (top - envsz) & ~0xF;
+ s = (char *)top;
+ ss = fwenv;
+
+ /* now copy them */
+ for (i = 0; env_get_char (i) != '\0'; i = nxt + 1) {
+ for (nxt = i; env_get_char (nxt) != '\0'; ++nxt)
+ ;
+ *ss++ = s;
+ for (j = i; j < nxt; ++j)
+ *s++ = env_get_char (j);
+ *s++ = '\0';
+ }
+ *ss++ = NULL; /* terminate */
+
+ entry = (void (*)(bd_t *, char *, char **, ulong))image_get_ep (hdr);
+ (*entry) (kbd, cmdline, fwenv, top);
+}
+#endif