Re: [patch 4/4] Passing efi related data via setup_data

Dave Young
2013-10-28T01:28:53Z

On 10/27/13 at 12:04pm, Dave Young wrote:
> For supporting efi runtime, several efi physical addresses
> fw_vendor, runtime, config tables, smbios and the whole runtime
> mapping info need to be used in kexec kernel. Thus introduce
> setup_data struct for passing these data.
>
> collect the varialbes from /sys/firmware/efi/systab and
> /sys/firmware/efi/efi-runtime-map
>
> Tested on qemu+ovmf, dell laptop, lenovo laptop and HP workstation.
>
> Signed-off-by: Dave Young <dyoung@redhat.com>
> ---
> include/x86/x86-linux.h | 2
> kexec/arch/i386/x86-linux-setup.c | 120 +++++++++++++++++++++++++++++++++++++-
> 2 files changed, 120 insertions(+), 2 deletions(-)
>
> --- kexec-tools.orig/include/x86/x86-linux.h
> +++ kexec-tools/include/x86/x86-linux.h
> @@ -115,7 +115,7 @@ struct x86_linux_param_header {
> uint32_t ext_ramdisk_image; /* 0xc0 */
> uint32_t ext_ramdisk_size; /* 0xc4 */
> uint32_t ext_cmd_line_ptr; /* 0xc8 */
> - uint8_t reserved4_1[0x1c0 - 0xcc]; /* 0xcc */
> + uint8_t reserved4_1[0x1c0 - 0xcc]; /* 0xe4 */

Above change should be in previous patch. Will update in next version.