will use ext_ramdisk_image/size, and xloadflags to put
ramdisk and bzImage high for 64bit.

Signed-off-by: Yinghai Lu <ying...@kernel.org>
---
 include/x86/x86-linux.h |   32 +++++++++++++++++++++++++++-----
 1 files changed, 27 insertions(+), 5 deletions(-)

diff --git a/include/x86/x86-linux.h b/include/x86/x86-linux.h
index 27af02b..a2452f2 100644
--- a/include/x86/x86-linux.h
+++ b/include/x86/x86-linux.h
@@ -32,7 +32,7 @@ struct drive_info_struct {
 };
 struct sys_desc_table {
        uint16_t length;
-       uint8_t  table[318];
+       uint8_t  table[30];
 };
 
 struct apm_bios_info {
@@ -112,6 +112,10 @@ struct x86_linux_param_header {
        struct apm_bios_info apm_bios_info;     /* 0x40 */
        struct drive_info_struct drive_info;    /* 0x80 */
        struct sys_desc_table sys_desc_table;   /* 0xa0 */
+       uint32_t ext_ramdisk_image;             /* 0xc0 */
+       uint32_t ext_ramdisk_size;              /* 0xc4 */
+       uint32_t ext_cmd_line_ptr;              /* 0xc8 */
+       uint8_t reserved4_1[0x1e0 - 0xcc];      /* 0xcc */
        uint32_t alt_mem_k;                     /* 0x1e0 */
        uint8_t  reserved5[4];                  /* 0x1e4 */
        uint8_t  e820_map_nr;                   /* 0x1e8 */
@@ -174,11 +178,18 @@ struct x86_linux_param_header {
        /* 2.04+ */
        uint32_t kernel_alignment;              /* 0x230 */
        uint8_t  relocatable_kernel;            /* 0x234 */
-       uint8_t  reserved15[3];                 /* 0x235 */
+       uint8_t  min_alignment;                 /* 0x235 */
+       uint16_t xloadflags;                    /* 0x236 */
        uint32_t cmdline_size;                  /* 0x238 */
        uint32_t hardware_subarch;              /* 0x23C */
        uint64_t hardware_subarch_data;         /* 0x240 */
-       uint8_t  reserved16[0x290 - 0x248];     /* 0x248 */
+       uint32_t payload_offset;                /* 0x248 */
+       uint32_t payload_length;                /* 0x24C */
+       uint64_t setup_data;                    /* 0x250 */
+       uint64_t pref_address;                  /* 0x258 */
+       uint32_t init_size;                     /* 0x260 */
+       uint32_t handover_offset;               /* 0x264 */
+       uint8_t  reserved16[0x290 - 0x268];     /* 0x268 */
        uint32_t edd_mbr_sig_buffer[EDD_MBR_SIG_MAX];   /* 0x290 */
 #endif
        struct  e820entry e820_map[E820MAX];    /* 0x2d0 */
@@ -195,7 +206,11 @@ struct x86_linux_faked_param_header {
 };
 
 struct x86_linux_header {
-       uint8_t  reserved1[0x1f1];              /* 0x000 */
+       uint8_t  reserved1[0xc0];               /* 0x000 */
+       uint32_t ext_ramdisk_image;             /* 0x0c0 */
+       uint32_t ext_ramdisk_size;              /* 0x0c4 */
+       uint32_t ext_cmd_line_ptr;              /* 0x0c8 */
+       uint8_t  reserved1_1[0x1f1-0xcc];       /* 0x0cc */
        uint8_t  setup_sects;                   /* 0x1f1 */
        uint16_t root_flags;                    /* 0x1f2 */
        uint16_t syssize;                       /* 0x1f4 */
@@ -241,10 +256,17 @@ struct x86_linux_header {
 #else
        uint32_t kernel_alignment;              /* 0x230 */
        uint8_t  relocatable_kernel;            /* 0x234 */
-       uint8_t  reserved6[3];                  /* 0x235 */
+       uint8_t  min_alignment;                 /* 0x235 */
+       uint16_t xloadflags;                    /* 0x236 */
        uint32_t cmdline_size;                  /* 0x238 */
        uint32_t hardware_subarch;              /* 0x23C */
        uint64_t hardware_subarch_data;         /* 0x240 */
+       uint32_t payload_offset;                /* 0x248 */
+       uint32_t payload_length;                /* 0x24C */
+       uint64_t setup_data;                    /* 0x250 */
+       uint64_t pref_address;                  /* 0x258 */
+       uint32_t init_size;                     /* 0x260 */
+       uint32_t handover_offset;               /* 0x264 */
 #endif
 } PACKED;
 
-- 
1.7.7


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