Add support for booting of INTEGRITY operating system uImages

[oweals/u-boot.git] / common / cmd_bootm.c

diff --git a/common/cmd_bootm.c b/common/cmd_bootm.c
index 8dbab02b87eb30481590399f93d70d4fd37b020c..b023e2635e18dc0400a16a39761875e6c9cb9e9c 100644 (file)
--- a/common/cmd_bootm.c
+++ b/common/cmd_bootm.c
@@ -108,8 +108,8 @@ 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;
+#if defined(CONFIG_INTEGRITY)
+static boot_os_fn do_bootm_integrity;
 #endif
 
 ulong load_addr = CFG_LOAD_ADDR;       /* Default Load Address */
@@ -455,9 +455,9 @@ 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);
+#ifdef CONFIG_INTEGRITY
+       case IH_OS_INTEGRITY:
+           do_bootm_integrity (0, argc, argv, &images);
            break;
 #endif
        }
@@ -1153,92 +1153,31 @@ static int do_bootm_qnxelf(int flag, int argc, char *argv[],
 }
 #endif
 
-#if defined(CONFIG_ARTOS) && defined(CONFIG_PPC)
-static int do_bootm_artos (int flag, int argc, char *argv[],
+#ifdef CONFIG_INTEGRITY
+static int do_bootm_integrity (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);
+       void (*entry_point)(void);
 
 #if defined(CONFIG_FIT)
        if (!images->legacy_hdr_valid) {
-               fit_unsupported_reset ("ARTOS");
+               fit_unsupported_reset ("INTEGRITY");
                return 1;
        }
 #endif
 
-       /*
-        * Booting an ARTOS kernel image + application
-        */
+       entry_point = (void (*)(void))images->ep;
 
-       /* 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 */
+       printf ("## Transferring control to INTEGRITY (at address %08lx) ...\n",
+               (ulong)entry_point);
+
+       show_boot_progress (15);
 
-       entry = (void (*)(bd_t *, char *, char **, ulong))images->ep;
-       (*entry) (kbd, cmdline, fwenv, top);
+       /*
+        * INTEGRITY Parameters:
+        *   None
+        */
+       (*entry_point)();
 
        return 1;
 }