diff options
Diffstat (limited to 'common')
| -rw-r--r-- | common/cmd_bootm.c | 591 | ||||
| -rw-r--r-- | common/lynxkdi.c | 42 |
2 files changed, 322 insertions, 311 deletions
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 @@ 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' */ - -extern boot_os_Fcn do_bootm_linux; - -#ifdef CONFIG_SILENT_CONSOLE -static void fixup_silent_linux (void); +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_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 diff --git a/common/lynxkdi.c b/common/lynxkdi.c index 16dc968..a5dc887 100644 --- a/common/lynxkdi.c +++ b/common/lynxkdi.c @@ -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" |