Add qemu 2.4.0

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

diff --git a/qemu/roms/u-boot/common/env_remote.c b/qemu/roms/u-boot/common/env_remote.c
new file mode 100644 (file)
index 0000000..eb977ee
--- /dev/null
+++ b/qemu/roms/u-boot/common/env_remote.c
@@ -0,0 +1,58 @@
+/*
+ * (C) Copyright 2011-2012 Freescale Semiconductor, Inc.
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+
+/* #define DEBUG */
+
+#include <common.h>
+#include <command.h>
+#include <environment.h>
+#include <linux/stddef.h>
+
+char *env_name_spec = "Remote";
+
+#ifdef ENV_IS_EMBEDDED
+env_t *env_ptr = &environment;
+#else /* ! ENV_IS_EMBEDDED */
+env_t *env_ptr = (env_t *)CONFIG_ENV_ADDR;
+#endif /* ENV_IS_EMBEDDED */
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#if !defined(CONFIG_ENV_OFFSET)
+#define CONFIG_ENV_OFFSET 0
+#endif
+
+int env_init(void)
+{
+       if (crc32(0, env_ptr->data, ENV_SIZE) == env_ptr->crc) {
+               gd->env_addr = (ulong)&(env_ptr->data);
+               gd->env_valid = 1;
+               return 0;
+       }
+
+       gd->env_addr = (ulong)default_environment;
+       gd->env_valid = 0;
+       return 0;
+}
+
+#ifdef CONFIG_CMD_SAVEENV
+int saveenv(void)
+{
+#ifdef CONFIG_SRIO_PCIE_BOOT_SLAVE
+       printf("Can not support the 'saveenv' when boot from SRIO or PCIE!\n");
+       return 1;
+#else
+       return 0;
+#endif
+}
+#endif /* CONFIG_CMD_SAVEENV */
+
+void env_relocate_spec(void)
+{
+#ifndef ENV_IS_EMBEDDED
+       env_import((char *)env_ptr, 1);
+#endif
+}