Messages in this thread | | | Date | Fri, 23 May 2008 21:07:44 -0400 | From | Rik van Riel <> | Subject | Re: [PATCH 1/2] Use structs instead of hardcoded offsets in x86 boot decompressor. |
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On Fri, 23 May 2008 17:59:27 -0400 Kristian Høgsberg <krh@redhat.com> wrote:
> Signed-off-by: Kristian Høgsberg <krh@redhat.com>
Acked-by: Rik van Riel <riel@redhat.com>
> +static struct boot_params *real_mode; /* Pointer to real-mode data */ > +static struct screen_info *rm_screen_info; /* Pointer to real-mode data */
People who wonder why these pointers never get initialized: they point to the zeropage, which of course lives at address zero.
/* The so-called "zeropage" */ struct boot_params { struct screen_info screen_info; /* 0x000 */ struct apm_bios_info apm_bios_info; /* 0x040 */ __u8 _pad2[12]; /* 0x054 */ struct ist_info ist_info; /* 0x060 */ ...
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