GK SDK 源码库: XMIPCLinuxV100R005C00SPC030 (kernel/tools/open_source excluded)

source/bootloader/u-boot-2020.01/include/bootm.h

@@ -0,0 +1,75 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * (C) Copyright 2000-2009
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ */
+
+#ifndef _BOOTM_H
+#define _BOOTM_H
+
+#include <command.h>
+#include <image.h>
+
+#define BOOTM_ERR_RESET		(-1)
+#define BOOTM_ERR_OVERLAP		(-2)
+#define BOOTM_ERR_UNIMPLEMENTED	(-3)
+
+/*
+ *  Continue booting an OS image; caller already has:
+ *  - copied image header to global variable `header'
+ *  - checked header magic number, checksums (both header & image),
+ *  - verified image architecture (PPC) and type (KERNEL or MULTI),
+ *  - loaded (first part of) image to header load address,
+ *  - disabled interrupts.
+ *
+ * @flag: Flags indicating what to do (BOOTM_STATE_...)
+ * @argc: Number of arguments. Note that the arguments are shifted down
+ *	 so that 0 is the first argument not processed by U-Boot, and
+ *	 argc is adjusted accordingly. This avoids confusion as to how
+ *	 many arguments are available for the OS.
+ * @images: Pointers to os/initrd/fdt
+ * @return 1 on error. On success the OS boots so this function does
+ * not return.
+ */
+typedef int boot_os_fn(int flag, int argc, char * const argv[],
+			bootm_headers_t *images);
+
+extern boot_os_fn do_bootm_linux;
+extern boot_os_fn do_bootm_vxworks;
+
+int do_bootelf(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
+void lynxkdi_boot(image_header_t *hdr);
+
+boot_os_fn *bootm_os_get_boot_func(int os);
+
+#if defined(CONFIG_FIT_SIGNATURE)
+int bootm_host_load_images(const void *fit, int cfg_noffset);
+#endif
+
+int boot_selected_os(int argc, char * const argv[], int state,
+		     bootm_headers_t *images, boot_os_fn *boot_fn);
+
+ulong bootm_disable_interrupts(void);
+
+/* This is a special function used by booti/bootz */
+int bootm_find_images(int flag, int argc, char * const argv[]);
+
+int do_bootm_states(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[],
+		    int states, bootm_headers_t *images, int boot_progress);
+
+void arch_preboot_os(void);
+
+/*
+ * boards should define this to disable devices when EFI exits from boot
+ * services.
+ *
+ * TODO(sjg@chromium.org>): Update this to use driver model's device_remove().
+ */
+void board_quiesce_devices(void);
+
+/**
+ * switch_to_non_secure_mode() - switch to non-secure mode
+ */
+void switch_to_non_secure_mode(void);
+
+#endif