Applied, thanks!
Damien Zammit, le jeu. 24 oct. 2024 00:10:56 +0000, a ecrit:
> ---
> i386/include/mach/i386/multiboot.h | 72 ++++++++++++++++++++++++++++++
> 1 file changed, 72 insertions(+)
>
> diff --git a/i386/include/mach/i386/multiboot.h
> b/i386/include/mach/i386/multiboot.h
> index c3538c1f..87bcd595 100644
> --- a/i386/include/mach/i386/multiboot.h
> +++ b/i386/include/mach/i386/multiboot.h
> @@ -43,6 +43,9 @@
> /* Must be provided memory information in multiboot_raw_info structure */
> #define MULTIBOOT_MEMORY_INFO 0x00000002
>
> +/* Must pass video information in multiboot_raw_info structure */
> +#define MULTIBOOT_VIDEO_MODE 0x00000004
> +
> /* Use the load address fields above instead of the ones in the a.out header
> to figure out what to load where, and what to do afterwards.
> This should only be needed for a.out kernel images
> @@ -62,7 +65,14 @@
> #define MULTIBOOT_AOUT_SYMS 0x00000010
> #define MULTIBOOT_ELF_SHDR 0x00000020
> #define MULTIBOOT_MEM_MAP 0x00000040
> +/* skip some fields from spec */
> +#define MULTIBOOT_FRAMEBUFFER 0x00001000
> +
>
> +#define MULTIBOOT_VIDEO_MODE_TYPE_LINEARFB 0
> +#define MULTIBOOT_VIDEO_MODE_TYPE_EGA_TEXT 1
> +
> +#define MULTIBOOT_VIDEO_PARAM_NO_PREFERENCE 0
>
> /* The mods_addr field above contains the physical address of the first
> of 'mods_count' multiboot_module structures. */
> @@ -148,6 +158,38 @@ struct multiboot32_module
> #define MULTIBOOT_LOADER_SHDR 0x20
> #define MULTIBOOT_LOADER_MMAP 0x40
>
> +struct multiboot_header
> +{
> + /* Must be MULTIBOOT_MAGIC - see above. */
> + uint32_t magic;
> +
> + /* Feature flags. */
> + uint32_t flags;
> +
> + /* The above fields plus this one must equal 0 mod 2^32. */
> + uint32_t checksum;
> +
> + /* These are only valid if MULTIBOOT_AOUT_KLUDGE is set. */
> + uint32_t header_addr;
> + uint32_t load_addr;
> + uint32_t load_end_addr;
> + uint32_t bss_end_addr;
> + uint32_t entry_addr;
> +
> + /* These are only valid if MULTIBOOT_VIDEO_MODE is set. */
> + uint32_t mode_type;
> + uint32_t width;
> + uint32_t height;
> + uint32_t depth;
> +} __packed;
> +
> +struct multiboot_color
> +{
> + uint8_t red;
> + uint8_t green;
> + uint8_t blue;
> +} __packed;
> +
> /*
> * A multiboot module.
> */
> @@ -168,6 +210,35 @@ struct multiboot_raw_mmap_entry {
> uint32_t type;
> } __packed;
>
> +struct multiboot_framebuffer_info {
> + uint64_t framebuffer_addr;
> + uint32_t framebuffer_pitch;
> + uint32_t framebuffer_width;
> + uint32_t framebuffer_height;
> + uint8_t framebuffer_bpp;
> +#define MULTIBOOT_FRAMEBUFFER_TYPE_INDEXED 0
> +#define MULTIBOOT_FRAMEBUFFER_TYPE_RGB 1
> +#define MULTIBOOT_FRAMEBUFFER_TYPE_EGA_TEXT 2
> + uint8_t framebuffer_type;
> + union
> + {
> + struct
> + {
> + uint32_t framebuffer_palette_addr;
> + uint16_t framebuffer_palette_num_colors;
> + };
> + struct
> + {
> + uint8_t framebuffer_red_field_position;
> + uint8_t framebuffer_red_mask_size;
> + uint8_t framebuffer_green_field_position;
> + uint8_t framebuffer_green_mask_size;
> + uint8_t framebuffer_blue_field_position;
> + uint8_t framebuffer_blue_mask_size;
> + };
> + };
> +} __packed;
> +
> /*
> * Multiboot information structure as passed by the boot loader.
> */
> @@ -186,6 +257,7 @@ struct multiboot_raw_info {
> uint32_t mmap_length;
> uint32_t mmap_addr;
> uint32_t unused1[9];
> + struct multiboot_framebuffer_info fb_info;
> } __packed;
>
> /*
> --
> 2.45.2
>
>
>
--
Samuel
> Il [e2fsck] a bien démarré, mais il m'a rendu la main aussitot en me
> disant "houlala, c'est pas beau à voir votre truc, je préfèrerai que
> vous teniez vous même la tronçonneuse" (traduction libre)
NC in Guide du linuxien pervers : "Bien configurer sa tronçonneuse."
