From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from userp1040.oracle.com ([156.151.31.81]) by merlin.infradead.org with esmtps (Exim 4.76 #1 (Red Hat Linux)) id 1U8jw9-0008O6-S0 for kexec@lists.infradead.org; Fri, 22 Feb 2013 04:08:42 +0000 From: Yinghai Lu Subject: [PATCH v9 2/7] kexec, x86: add boot header member for version 2.12 Date: Thu, 21 Feb 2013 20:07:51 -0800 Message-Id: <1361506076-13112-3-git-send-email-yinghai@kernel.org> In-Reply-To: <1361506076-13112-1-git-send-email-yinghai@kernel.org> References: <1361506076-13112-1-git-send-email-yinghai@kernel.org> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: kexec-bounces@lists.infradead.org Errors-To: kexec-bounces+dwmw2=infradead.org@lists.infradead.org To: Simon Horman , "H. Peter Anvin" , Vivek Goyal , "Eric W. Biederman" Cc: Yinghai Lu , kexec@lists.infradead.org will use ext_ramdisk_image/size, and xloadflags to put ramdisk and bzImage high for 64bit. Signed-off-by: Yinghai Lu --- include/x86/x86-linux.h | 26 +++++++++++++++++++++----- 1 file changed, 21 insertions(+), 5 deletions(-) diff --git a/include/x86/x86-linux.h b/include/x86/x86-linux.h index ea11042..0949dc2 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 */ @@ -175,11 +179,18 @@ 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 */ @@ -196,7 +207,11 @@ 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 */ uint32_t syssize; /* 0x1f4 */ @@ -229,7 +244,8 @@ struct x86_linux_header { 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 */ -- 1.7.10.4 _______________________________________________ kexec mailing list kexec@lists.infradead.org http://lists.infradead.org/mailman/listinfo/kexec