diff options
Diffstat (limited to 'qemu/roms/ipxe/src/arch/x86/core/vram_settings.c')
-rw-r--r-- | qemu/roms/ipxe/src/arch/x86/core/vram_settings.c | 72 |
1 files changed, 0 insertions, 72 deletions
diff --git a/qemu/roms/ipxe/src/arch/x86/core/vram_settings.c b/qemu/roms/ipxe/src/arch/x86/core/vram_settings.c deleted file mode 100644 index 9c169b40c..000000000 --- a/qemu/roms/ipxe/src/arch/x86/core/vram_settings.c +++ /dev/null @@ -1,72 +0,0 @@ -/* - * Copyright (C) 2015 Michael Brown <mbrown@fensystems.co.uk>. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of the - * License, or any later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA - * 02110-1301, USA. - * - * You can also choose to distribute this program under the terms of - * the Unmodified Binary Distribution Licence (as given in the file - * COPYING.UBDL), provided that you have satisfied its requirements. - */ - -FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL ); - -#include <ipxe/uaccess.h> -#include <ipxe/settings.h> - -/** @file - * - * Video RAM dump - * - */ - -/** Video RAM base address */ -#define VRAM_BASE 0xb8000 - -/** Video RAM length */ -#define VRAM_LEN \ - ( 80 /* columns */ * 25 /* rows */ * 2 /* bytes per character */ ) - -/** - * Fetch video RAM setting - * - * @v data Buffer to fill with setting data - * @v len Length of buffer - * @ret len Length of setting data, or negative error - */ -static int vram_fetch ( void *data, size_t len ) { - userptr_t vram = phys_to_user ( VRAM_BASE ); - - /* Copy video RAM */ - if ( len > VRAM_LEN ) - len = VRAM_LEN; - copy_from_user ( data, vram, 0, len ); - - return VRAM_LEN; -} - -/** Video RAM setting */ -const struct setting vram_setting __setting ( SETTING_MISC, vram ) = { - .name = "vram", - .description = "Video RAM", - .type = &setting_type_base64, - .scope = &builtin_scope, -}; - -/** Video RAM built-in setting */ -struct builtin_setting vram_builtin_setting __builtin_setting = { - .setting = &vram_setting, - .fetch = vram_fetch, -}; |