Mirrors/u-boot
2
0
Fork 0
mirror of https://github.com/AsahiLinux/u-boot synced 2024-11-10 23:24:38 +00:00
Code Issues Projects Releases Packages Wiki Activity

[new uImage] Cleanup cmd_bootm.c

Browse source 
- sort and cleanup headers, declarations, etc.
- group related routines
- cleanup indentation, white spaces

Signed-off-by: Marian Balakowicz <m8@semihalf.com>
This commit is contained in:
Marian Balakowicz 2008-01-08 18:17:10 +01:00 committed by Wolfgang Denk
parent af13cdbc01
commit 1ee1180b6e
2 changed files with 321 additions and 310 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

589
common/cmd_bootm.c
View file

@ -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 @@ extern int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
#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 @@ extern flash_info_t flash_info[]; /* info for FLASH chips */
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 @@ static void print_type (image_header_t *hdr);
* - 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 @@ int do_bootm (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
}
#endif
/* for multi-file images we need the data part, too */
print_image_hdr ((image_header_t *)addr);
@ -220,7 +221,8 @@ int do_bootm (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
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 @@ int do_bootm (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
* 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 @@ int do_bootm (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
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 @@ int do_bootm (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
addr, len_ptr, verify);
break;
#endif
#ifdef CONFIG_ARTOS
case IH_OS_ARTOS:
do_bootm_artos (cmdtp, flag, argc, argv,
@ -378,11 +381,11 @@ int do_bootm (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
}
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 @@ U_BOOT_CMD(
#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 @@ U_BOOT_CMD(
" 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 @@ U_BOOT_CMD(
);
#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 @@ print_image_hdr (image_header_t *hdr)
#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 @@ print_image_hdr (image_header_t *hdr)
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 @@ print_type (image_header_t *hdr)
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 @@ do_bootm_rtems (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
* 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_bootm_vxworks (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
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 @@ do_bootm_qnxelf (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
}
#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

42
common/lynxkdi.c
View file

@ -23,45 +23,45 @@
DECLARE_GLOBAL_DATA_PTR;
#if defined(CONFIG_MPC8260) || defined(CONFIG_440EP) || defined(CONFIG_440GR)
void lynxkdi_boot ( image_header_t *hdr )
void lynxkdi_boot (image_header_t *hdr)
{
void (*lynxkdi)(void) = (void(*)(void))image_get_ep (hdr);
lynxos_bootparms_t *parms = (lynxos_bootparms_t *)0x0020;
bd_t *kbd;
u32 *psz = (u32 *)(image_get_load (hdr) + 0x0204);
memset( parms, 0, sizeof(*parms));
memset (parms, 0, sizeof(*parms));
kbd = gd->bd;
parms->clock_ref = kbd->bi_busfreq;
parms->dramsz = kbd->bi_memsize;
memcpy(parms->ethaddr, kbd->bi_enetaddr, 6);
mtspr(SPRN_SPRG2, 0x0020);
memcpy (parms->ethaddr, kbd->bi_enetaddr, 6);
mtspr (SPRN_SPRG2, 0x0020);
/* Do a simple check for Bluecat so we can pass the
* kernel command line parameters.
*/
if( le32_to_cpu(*psz) == image_get_data_size (hdr) ){ /* FIXME: NOT SURE HERE ! */
char *args;
char *cmdline = (char *)(image_get_load (hdr) + 0x020c);
int len;
if (le32_to_cpu (*psz) == image_get_data_size (hdr)) { /* FIXME: NOT SURE HERE ! */
char *args;
char *cmdline = (char *)(image_get_load (hdr) + 0x020c);
int len;
printf("Booting Bluecat KDI ...\n");
udelay(200*1000); /* Allow serial port to flush */
if ((args = getenv("bootargs")) == NULL)
args = "";
/* Prepend the cmdline */
len = strlen(args);
if( len && (len + strlen(cmdline) + 2 < (0x0400 - 0x020c))) {
memmove( cmdline + strlen(args) + 1, cmdline, strlen(cmdline) );
strcpy( cmdline, args );
cmdline[len] = ' ';
}
printf ("Booting Bluecat KDI ...\n");
udelay (200*1000); /* Allow serial port to flush */
if ((args = getenv ("bootargs")) == NULL)
args = "";
/* Prepend the cmdline */
len = strlen (args);
if (len && (len + strlen (cmdline) + 2 < (0x0400 - 0x020c))) {
memmove (cmdline + strlen (args) + 1, cmdline, strlen (cmdline));
strcpy (cmdline, args);
cmdline[len] = ' ';
}
}
else {
printf("Booting LynxOS KDI ...\n");
printf ("Booting LynxOS KDI ...\n");
}
lynxkdi();
lynxkdi ();
}
#else
#error "Lynx KDI support not implemented for configured CPU"