On Fri, Apr 11, 2014 at 10:23:29AM +0800, WANG Chao wrote:
> add_setup_data() is used to add an instance to the single linked list
> of setup_data structure.
>
> Signed-off-by: WANG Chao <[email protected]>
Thanks, applied.
> ---
> kexec/arch/i386/x86-linux-setup.c | 26 ++++++++++++++++++++------
> 1 file changed, 20 insertions(+), 6 deletions(-)
>
> diff --git a/kexec/arch/i386/x86-linux-setup.c
> b/kexec/arch/i386/x86-linux-setup.c
> index e04e45d..8ed36cc 100644
> --- a/kexec/arch/i386/x86-linux-setup.c
> +++ b/kexec/arch/i386/x86-linux-setup.c
> @@ -603,6 +603,22 @@ struct efi_info {
> };
>
> /*
> + * Add another instance to single linked list of struct setup_data.
> + * Please refer to kernel Documentation/x86/boot.txt for more details
> + * about setup_data structure.
> + */
> +static void add_setup_data(struct kexec_info *info,
> + struct x86_linux_param_header *real_mode,
> + struct setup_data *sd)
> +{
> + int sdsize = sizeof(struct setup_data) + sd->len;
> +
> + sd->next = real_mode->setup_data;
> + real_mode->setup_data = add_buffer(info, sd, sdsize, sdsize,
> getpagesize(),
> + 0x100000, ULONG_MAX, INT_MAX);
> +}
> +
> +/*
> * setup_efi_data will collect below data and pass them to 2nd kernel.
> * 1) SMBIOS, fw_vendor, runtime, config_table, they are passed via x86
> * setup_data.
> @@ -611,11 +627,11 @@ struct efi_info {
> static int setup_efi_data(struct kexec_info *info,
> struct x86_linux_param_header *real_mode)
> {
> - int64_t setup_data_paddr, memmap_paddr;
> + int64_t memmap_paddr;
> struct setup_data *sd;
> struct efi_setup_data *esd;
> struct efi_mem_descriptor *maps;
> - int nr_maps, size, sdsize, ret = 0;
> + int nr_maps, size, ret = 0;
> struct efi_info *ei = (struct efi_info *)real_mode->efi_info;
>
> ret = access("/sys/firmware/efi/systab", F_OK);
> @@ -648,10 +664,8 @@ static int setup_efi_data(struct kexec_info *info,
> sd->len = sizeof(*esd);
> memcpy(sd->data, esd, sizeof(*esd));
> free(esd);
> - sdsize = sd->len + sizeof(struct setup_data);
> - setup_data_paddr = add_buffer(info, sd, sdsize, sdsize, getpagesize(),
> - 0x100000, ULONG_MAX, INT_MAX);
> - real_mode->setup_data = setup_data_paddr;
> +
> + add_setup_data(info, real_mode, sd);
>
> size = nr_maps * sizeof(struct efi_mem_descriptor);
> memmap_paddr = add_buffer(info, maps, size, size, getpagesize(),
> --
> 1.8.5.3
>
_______________________________________________
kexec mailing list
[email protected]
http://lists.infradead.org/mailman/listinfo/kexec
