Remove support for booting ARTOS images

Pantelis Antoniou stated:
	AFAIK, it is still used but the products using PPC are long gone.
	Nuke it plz (from orbit).

So remove it since it cleans up a usage of env_get_char outside of
the environment code.

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>

README

@@ -3030,8 +3030,8 @@ details; basically, the header defines the following image properties:
 
 * Target Operating System (Provisions for OpenBSD, NetBSD, FreeBSD,
   4.4BSD, Linux, SVR4, Esix, Solaris, Irix, SCO, Dell, NCR, VxWorks,
-  LynxOS, pSOS, QNX, RTEMS, ARTOS;
+  LynxOS, pSOS, QNX, RTEMS;
-  Currently supported: Linux, NetBSD, VxWorks, QNX, RTEMS, ARTOS, LynxOS).
+  Currently supported: Linux, NetBSD, VxWorks, QNX, RTEMS, LynxOS).
 * Target CPU Architecture (Provisions for Alpha, ARM, AVR32, Intel x86,
   IA64, MIPS, NIOS, PowerPC, IBM S390, SuperH, Sparc, Sparc 64 Bit;
   Currently supported: ARM, AVR32, Intel x86, MIPS, NIOS, PowerPC).

common/cmd_bootm.c

@@ -108,9 +108,6 @@ 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_fn do_bootm_artos;
-#endif
 
 ulong load_addr = CFG_LOAD_ADDR;	/* Default Load Address */
 static bootm_headers_t images;		/* pointers to os/initrd/fdt images */
@@ -455,11 +452,6 @@ int do_bootm (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
 	    break;
 #endif
 
-#ifdef CONFIG_ARTOS
-	case IH_OS_ARTOS:
-	    do_bootm_artos (0, argc, argv, &images);
-	    break;
-#endif
 	}
 
 	show_boot_progress (-9);
@@ -1152,94 +1144,3 @@ static int do_bootm_qnxelf(int flag, int argc, char *argv[],
 	return 1;
 }
 #endif
-
-#if defined(CONFIG_ARTOS) && defined(CONFIG_PPC)
-static int do_bootm_artos (int flag, int argc, char *argv[],
-			   bootm_headers_t *images)
-{
-	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);
-
-#if defined(CONFIG_FIT)
-	if (!images->legacy_hdr_valid) {
-		fit_unsupported_reset ("ARTOS");
-		return 1;
-	}
-#endif
-
-	/*
-	 * 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))images->ep;
-	(*entry) (kbd, cmdline, fwenv, top);
-
-	return 1;
-}
-#endif

common/image.c

@@ -105,9 +105,6 @@ static table_entry_t uimage_arch[] = {
 
 static table_entry_t uimage_os[] = {
 	{	IH_OS_INVALID,	NULL,		"Invalid OS",		},
-#if defined(CONFIG_ARTOS) || defined(USE_HOSTCC)
-	{	IH_OS_ARTOS,	"artos",	"ARTOS",		},
-#endif
 	{	IH_OS_LINUX,	"linux",	"Linux",		},
 #if defined(CONFIG_LYNXKDI) || defined(USE_HOSTCC)
 	{	IH_OS_LYNXOS,	"lynxos",	"LynxOS",		},

doc/uImage.FIT/source_file_format.txt

@@ -169,7 +169,7 @@ the '/images' node should have the following layout:
   - os : OS name, mandatory for type="kernel", valid OS names are: "openbsd",
     "netbsd", "freebsd", "4_4bsd", "linux", "svr4", "esix", "solaris", "irix",
     "sco", "dell", "ncr", "lynxos", "vxworks", "psos", "qnx", "u_boot",
-    "rtems", "artos", "unity".
+    "rtems", "unity".
   - arch : Architecture name, mandatory for types: "standalone", "kernel",
     "firmware", "ramdisk" and "fdt". Valid architecture names are: "alpha",
     "arm", "i386", "ia64", "mips", "mips64", "ppc", "s390", "sh", "sparc",

include/configs/NETPHONE.h

@@ -487,8 +487,6 @@
 #define	BOOTFLAG_COLD	0x01		/* Normal Power-On: Boot from FLASH	*/
 #define BOOTFLAG_WARM	0x02		/* Software reboot			*/
 
-#define CONFIG_ARTOS			/* include ARTOS support */
-
 #define CONFIG_LAST_STAGE_INIT		/* needed to reset the damn phys */
 
 /****************************************************************/

include/configs/NETTA.h

@@ -496,8 +496,6 @@
 #define	BOOTFLAG_COLD	0x01		/* Normal Power-On: Boot from FLASH	*/
 #define BOOTFLAG_WARM	0x02		/* Software reboot			*/
 
-#define CONFIG_ARTOS			/* include ARTOS support */
-
 #define CONFIG_LAST_STAGE_INIT		/* needed to reset the damn phys */
 
 /***********************************************************************************************************

include/configs/NETTA2.h

@@ -488,8 +488,6 @@
 #define	BOOTFLAG_COLD	0x01		/* Normal Power-On: Boot from FLASH	*/
 #define BOOTFLAG_WARM	0x02		/* Software reboot			*/
 
-#define CONFIG_ARTOS			/* include ARTOS support */
-
 #define CONFIG_LAST_STAGE_INIT		/* needed to reset the damn phys */
 
 /****************************************************************/

include/configs/NETVIA.h

@@ -357,8 +357,6 @@
 /* Ethernet at SCC2 */
 #define CONFIG_SCC2_ENET
 
-#define CONFIG_ARTOS			/* include ARTOS support */
-
 /****************************************************************/
 
 #define DSP_SIZE	0x00010000	/* 64K */