Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / u-boot / common / cmd_bootstage.c

diff --git a/qemu/roms/u-boot/common/cmd_bootstage.c b/qemu/roms/u-boot/common/cmd_bootstage.c
new file mode 100644 (file)
index 0000000..106894a
--- /dev/null
+++ b/qemu/roms/u-boot/common/cmd_bootstage.c
@@ -0,0 +1,100 @@
+/*
+ * Copyright (c) 2012, Google Inc. All rights reserved.
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+
+#include <common.h>
+
+#ifndef CONFIG_BOOTSTAGE_STASH
+#define CONFIG_BOOTSTAGE_STASH         -1UL
+#define CONFIG_BOOTSTAGE_STASH_SIZE    -1
+#endif
+
+static int do_bootstage_report(cmd_tbl_t *cmdtp, int flag, int argc,
+                              char * const argv[])
+{
+       bootstage_report();
+
+       return 0;
+}
+
+static int get_base_size(int argc, char * const argv[], ulong *basep,
+                        ulong *sizep)
+{
+       char *endp;
+
+       *basep = CONFIG_BOOTSTAGE_STASH;
+       *sizep = CONFIG_BOOTSTAGE_STASH_SIZE;
+       if (argc < 2)
+               return 0;
+       *basep = simple_strtoul(argv[1], &endp, 16);
+       if (*argv[1] == 0 || *endp != 0)
+               return -1;
+       if (argc == 2)
+               return 0;
+       *sizep = simple_strtoul(argv[2], &endp, 16);
+       if (*argv[2] == 0 || *endp != 0)
+               return -1;
+
+       return 0;
+}
+
+static int do_bootstage_stash(cmd_tbl_t *cmdtp, int flag, int argc,
+                             char * const argv[])
+{
+       ulong base, size;
+       int ret;
+
+       if (get_base_size(argc, argv, &base, &size))
+               return CMD_RET_USAGE;
+       if (base == -1UL) {
+               printf("No bootstage stash area defined\n");
+               return 1;
+       }
+
+       if (0 == strcmp(argv[0], "stash"))
+               ret = bootstage_stash((void *)base, size);
+       else
+               ret = bootstage_unstash((void *)base, size);
+       if (ret)
+               return 1;
+
+       return 0;
+}
+
+static cmd_tbl_t cmd_bootstage_sub[] = {
+       U_BOOT_CMD_MKENT(report, 2, 1, do_bootstage_report, "", ""),
+       U_BOOT_CMD_MKENT(stash, 4, 0, do_bootstage_stash, "", ""),
+       U_BOOT_CMD_MKENT(unstash, 4, 0, do_bootstage_stash, "", ""),
+};
+
+/*
+ * Process a bootstage sub-command
+ */
+static int do_boostage(cmd_tbl_t *cmdtp, int flag, int argc,
+                      char * const argv[])
+{
+       cmd_tbl_t *c;
+
+       /* Strip off leading 'bootstage' command argument */
+       argc--;
+       argv++;
+
+       c = find_cmd_tbl(argv[0], cmd_bootstage_sub,
+                        ARRAY_SIZE(cmd_bootstage_sub));
+
+       if (c)
+               return c->cmd(cmdtp, flag, argc, argv);
+       else
+               return CMD_RET_USAGE;
+}
+
+
+U_BOOT_CMD(bootstage, 4, 1, do_boostage,
+       "Boot stage command",
+       " - check boot progress and timing\n"
+       "report                      - Print a report\n"
+       "stash [<start> [<size>]]    - Stash data into memory\n"
+       "unstash [<start> [<size>]]  - Unstash data from memory"
+);