diff options
Diffstat (limited to 'arch/x86/include')
-rw-r--r-- | arch/x86/include/asm/bootm.h | 12 | ||||
-rw-r--r-- | arch/x86/include/asm/bootparam.h | 70 | ||||
-rw-r--r-- | arch/x86/include/asm/cpu.h | 1 |
3 files changed, 53 insertions, 30 deletions
diff --git a/arch/x86/include/asm/bootm.h b/arch/x86/include/asm/bootm.h index 109f686f740..3b641783b9c 100644 --- a/arch/x86/include/asm/bootm.h +++ b/arch/x86/include/asm/bootm.h @@ -14,14 +14,14 @@ void bootm_announce_and_cleanup(void); * This boots a kernel image, either 32-bit or 64-bit. It will also work with * a self-extracting kernel, if you set @image_64bit to false. * - * @setup_base: Pointer to the setup.bin information for the kernel - * @load_address: Pointer to the start of the kernel image - * @image_64bit: true if the image is a raw 64-bit kernel, false if it - * is raw 32-bit or any type of self-extracting kernel - * such as a bzImage. + * @setup_base: Address of the setup.bin information for the kernel + * @entry: Address of the kernel entry point + * @image_64bit: true if the image is a raw 64-bit kernel, or a kernel + * which supports booting in 64-bit mode; false if it is raw 32-bit or any type + * of self-extracting kernel such as a bzImage. * Return: -ve error code. This function does not return if the kernel was * booted successfully. */ -int boot_linux_kernel(ulong setup_base, ulong load_address, bool image_64bit); +int boot_linux_kernel(ulong setup_base, ulong entry, bool image_64bit); #endif diff --git a/arch/x86/include/asm/bootparam.h b/arch/x86/include/asm/bootparam.h index 7a3c1f51554..ea816ca7469 100644 --- a/arch/x86/include/asm/bootparam.h +++ b/arch/x86/include/asm/bootparam.h @@ -9,19 +9,54 @@ #include <asm/ist.h> #include <asm/video/edid.h> -/* setup data types */ -enum { - SETUP_NONE = 0, - SETUP_E820_EXT, - SETUP_DTB, -}; +/* setup_data/setup_indirect types */ +#define SETUP_NONE 0 +#define SETUP_E820_EXT 1 +#define SETUP_DTB 2 +#define SETUP_PCI 3 +#define SETUP_EFI 4 +#define SETUP_APPLE_PROPERTIES 5 +#define SETUP_JAILHOUSE 6 +#define SETUP_CC_BLOB 7 +#define SETUP_IMA 8 +#define SETUP_RNG_SEED 9 +#define SETUP_ENUM_MAX SETUP_RNG_SEED + +#define SETUP_INDIRECT BIT(31) +#define SETUP_TYPE_MAX (SETUP_ENUM_MAX | SETUP_INDIRECT) + +/* ram_size flags */ +#define RAMDISK_IMAGE_START_MASK 0x07FF +#define RAMDISK_PROMPT_FLAG 0x8000 +#define RAMDISK_LOAD_FLAG 0x4000 + +/* loadflags */ +#define LOADED_HIGH BIT(0) +#define KASLR_FLAG BIT(1) +#define QUIET_FLAG BIT(5) +#define KEEP_SEGMENTS BIT(6) +#define CAN_USE_HEAP BIT(7) + +#define XLF_KERNEL_64 BIT(0) +#define XLF_CAN_BE_LOADED_ABOVE_4G BIT(1) +#define XLF_EFI_HANDOVER_32 BIT(2) +#define XLF_EFI_HANDOVER_64 BIT(3) +#define XLF_EFI_KEXEC BIT(4) /* extensible setup data list node */ struct setup_data { __u64 next; __u32 type; __u32 len; - __u8 data[0]; + __u8 data[]; +}; + +/* extensible setup indirect data node */ +struct setup_indirect { + __u32 type; + __u32 reserved; /* Reserved, must be set to zero. */ + __u64 len; + __u64 addr; }; /** @@ -34,9 +69,6 @@ struct setup_header { __u16 root_flags; __u32 syssize; __u16 ram_size; -#define RAMDISK_IMAGE_START_MASK 0x07FF -#define RAMDISK_PROMPT_FLAG 0x8000 -#define RAMDISK_LOAD_FLAG 0x4000 __u16 vid_mode; __u16 root_dev; __u16 boot_flag; @@ -44,15 +76,10 @@ struct setup_header { __u32 header; __u16 version; __u32 realmode_swtch; - __u16 start_sys; + __u16 start_sys_seg; __u16 kernel_version; __u8 type_of_loader; __u8 loadflags; -#define LOADED_HIGH BIT(0) -#define KASLR_FLAG BIT(1) -#define QUIET_FLAG BIT(5) -#define KEEP_SEGMENTS BIT(6) /* Obsolete */ -#define CAN_USE_HEAP BIT(7) __u16 setup_move_size; __u32 code32_start; __u32 ramdisk_image; @@ -65,13 +92,8 @@ struct setup_header { __u32 initrd_addr_max; __u32 kernel_alignment; __u8 relocatable_kernel; - u8 min_alignment; -#define XLF_KERNEL_64 BIT(0) -#define XLF_CAN_BE_LOADED_ABOVE_4G BIT(1) -#define XLF_EFI_HANDOVER_32 BIT(2) -#define XLF_EFI_HANDOVER_64 BIT(3) -#define XLF_EFI_KEXEC BIT(4) - u16 xloadflags; + __u8 min_alignment; + __u16 xloadflags; __u32 cmdline_size; __u32 hardware_subarch; __u64 hardware_subarch_data; @@ -81,7 +103,7 @@ struct setup_header { __u64 pref_address; __u32 init_size; __u32 handover_offset; - u32 kernel_info_offset; + __u32 kernel_info_offset; } __attribute__((packed)); struct sys_desc_table { diff --git a/arch/x86/include/asm/cpu.h b/arch/x86/include/asm/cpu.h index 3346012d335..073f80b07f1 100644 --- a/arch/x86/include/asm/cpu.h +++ b/arch/x86/include/asm/cpu.h @@ -262,6 +262,7 @@ void cpu_call32(ulong code_seg32, ulong target, ulong table); * * @setup_base: Pointer to the setup.bin information for the kernel * @target: Pointer to the start of the kernel image + * Return: -EFAULT if the kernel returned; otherwise does not return */ int cpu_jump_to_64bit(ulong setup_base, ulong target); |