diff options
Diffstat (limited to 'arch/x86/include/asm/zimage.h')
| -rw-r--r-- | arch/x86/include/asm/zimage.h | 57 |
1 files changed, 44 insertions, 13 deletions
diff --git a/arch/x86/include/asm/zimage.h b/arch/x86/include/asm/zimage.h index 4ed6d8d5cc2..8b542605170 100644 --- a/arch/x86/include/asm/zimage.h +++ b/arch/x86/include/asm/zimage.h @@ -10,8 +10,6 @@ #include <asm/bootparam.h> #include <asm/e820.h> -struct bootm_info; - /* linux i386 zImage/bzImage header. Offsets relative to * the start of the image */ @@ -45,27 +43,64 @@ enum { }; /** + * struct zboot_state - Current state of the boot + * + * @bzimage_addr: Address of the bzImage to boot, or 0 if the image has already + * been loaded and does not exist (as a cohesive whole) in memory + * @bzimage_size: Size of the bzImage, or 0 to detect this + * @initrd_addr: Address of the initial ramdisk, or 0 if none + * @initrd_size: Size of the initial ramdisk, or 0 if none + * @load_address: Address where the bzImage is moved before booting, either + * BZIMAGE_LOAD_ADDR or ZIMAGE_LOAD_ADDR + * This is set up when loading the zimage + * @base_ptr: Pointer to the boot parameters, typically at address + * DEFAULT_SETUP_BASE + * This is set up when loading the zimage + * @cmdline: Environment variable containing the 'override' command line, or + * NULL to use the one in the setup block + */ +struct zboot_state { + ulong bzimage_addr; + ulong bzimage_size; + ulong initrd_addr; + ulong initrd_size; + ulong load_address; + struct boot_params *base_ptr; + const char *cmdline; +}; + +extern struct zboot_state state; + +/** + * zimage_dump() - Dump information about a zimage + * + * @base_ptr: Pointer to the boot parameters + * @show_cmdline: true to show the kernel command line + */ +void zimage_dump(struct boot_params *base_ptr, bool show_cmdline); + +/** * zboot_load() - Load a zimage * * Load the zimage into the correct place * * Return: 0 if OK, -ve on error */ -int zboot_load(struct bootm_info *bmi); +int zboot_load(void); /** * zboot_setup() - Set up the zboot image reeady for booting * * Return: 0 if OK, -ve on error */ -int zboot_setup(struct bootm_info *bmi); +int zboot_setup(void); /** * zboot_go() - Start the image * * Return: 0 if OK, -ve on error */ -int zboot_go(struct bootm_info *bmi); +int zboot_go(void); /** * load_zimage() - Load a zImage or bzImage @@ -104,7 +139,6 @@ int setup_zimage(struct boot_params *setup_base, char *cmd_line, int auto_boot, * * Record information about a zimage so it can be booted * - * @bmi: Bootm information * @bzimage_addr: Address of the bzImage to boot * @bzimage_size: Size of the bzImage, or 0 to detect this * @initrd_addr: Address of the initial ramdisk, or 0 if none @@ -115,17 +149,14 @@ int setup_zimage(struct boot_params *setup_base, char *cmd_line, int auto_boot, * @cmdline: Environment variable containing the 'override' command line, or * NULL to use the one in the setup block */ -void zboot_start(struct bootm_info *bmi, ulong bzimage_addr, ulong bzimage_size, - ulong initrd_addr, ulong initrd_size, ulong base_addr, - const char *cmdline); +void zboot_start(ulong bzimage_addr, ulong bzimage_size, ulong initrd_addr, + ulong initrd_size, ulong base_addr, const char *cmdline); /** * zboot_info() - Show simple info about a zimage * - * Shows where the kernel was loaded and also the setup base - * - * @bmi: Bootm information + * Shows wherer the kernel was loaded and also the setup base */ -void zboot_info(struct bootm_info *bmi); +void zboot_info(void); #endif |