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authorTom Rini <trini@konsulko.com>2020-09-25 09:04:01 -0400
committerTom Rini <trini@konsulko.com>2020-09-25 09:04:01 -0400
commit0ac83d080a0044cd0d8f782ba12f02cf969d3004 (patch)
treeca5c2351113ba9b56d59e241a8857c7e6e8f5604 /arch/x86/include/asm/bootparam.h
parent67ece26d8b5d4bfa4fda8c456261c465d0815d7d (diff)
parent8c180d669a0f4a8eb70bde8c74c73cef45993f67 (diff)
Merge branch 'next' of https://gitlab.denx.de/u-boot/custodians/u-boot-x86 into next
- Enhance the 'zboot' command to be more like 'bootm' with sub-commands - The last series of ACPI core changes for programmatic generation of ACPI tables - Add all required ACPI tables for ApolloLake and enable ACPIGEN on Chromebook Coral - A feature minor enhancements to the 'hob' command - Intel edison: Support for writing an xFSTK image via binman
Diffstat (limited to 'arch/x86/include/asm/bootparam.h')
-rw-r--r--arch/x86/include/asm/bootparam.h25
1 files changed, 19 insertions, 6 deletions
diff --git a/arch/x86/include/asm/bootparam.h b/arch/x86/include/asm/bootparam.h
index d961dddc9e1..7a3c1f51554 100644
--- a/arch/x86/include/asm/bootparam.h
+++ b/arch/x86/include/asm/bootparam.h
@@ -24,6 +24,11 @@ struct setup_data {
__u8 data[0];
};
+/**
+ * struct setup_header - Information needed by Linux to boot
+ *
+ * See https://www.kernel.org/doc/html/latest/x86/boot.html
+ */
struct setup_header {
__u8 setup_sects;
__u16 root_flags;
@@ -43,15 +48,16 @@ struct setup_header {
__u16 kernel_version;
__u8 type_of_loader;
__u8 loadflags;
-#define LOADED_HIGH (1<<0)
-#define QUIET_FLAG (1<<5)
-#define KEEP_SEGMENTS (1<<6)
-#define CAN_USE_HEAP (1<<7)
+#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;
__u32 ramdisk_size;
- __u32 bootsect_kludge;
+ __u32 bootsect_kludge; /* Obsolete */
__u16 heap_end_ptr;
__u8 ext_loader_ver;
__u8 ext_loader_type;
@@ -59,7 +65,13 @@ struct setup_header {
__u32 initrd_addr_max;
__u32 kernel_alignment;
__u8 relocatable_kernel;
- __u8 _pad2[3];
+ 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;
__u32 cmdline_size;
__u32 hardware_subarch;
__u64 hardware_subarch_data;
@@ -69,6 +81,7 @@ struct setup_header {
__u64 pref_address;
__u32 init_size;
__u32 handover_offset;
+ u32 kernel_info_offset;
} __attribute__((packed));
struct sys_desc_table {