diff options
Diffstat (limited to 'qemu/pc-bios/optionrom/optionrom.h')
| -rw-r--r-- | qemu/pc-bios/optionrom/optionrom.h | 151 |
1 files changed, 0 insertions, 151 deletions
diff --git a/qemu/pc-bios/optionrom/optionrom.h b/qemu/pc-bios/optionrom/optionrom.h deleted file mode 100644 index 6c4c2c82f..000000000 --- a/qemu/pc-bios/optionrom/optionrom.h +++ /dev/null @@ -1,151 +0,0 @@ -/* - * Common Option ROM Functions - * - * 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 - * (at your option) 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, see <http://www.gnu.org/licenses/>. - * - * Copyright Novell Inc, 2009 - * Authors: Alexander Graf <agraf@suse.de> - */ - - -#include "../../include/hw/nvram/fw_cfg_keys.h" - -#define BIOS_CFG_IOPORT_CFG 0x510 -#define BIOS_CFG_IOPORT_DATA 0x511 - -/* Break the translation block flow so -d cpu shows us values */ -#define DEBUG_HERE \ - jmp 1f; \ - 1: - -/* - * Read a variable from the fw_cfg device. - * Clobbers: %edx - * Out: %eax - */ -.macro read_fw VAR - mov $\VAR, %ax - mov $BIOS_CFG_IOPORT_CFG, %dx - outw %ax, (%dx) - mov $BIOS_CFG_IOPORT_DATA, %dx - inb (%dx), %al - shl $8, %eax - inb (%dx), %al - shl $8, %eax - inb (%dx), %al - shl $8, %eax - inb (%dx), %al - bswap %eax -.endm - -#define read_fw_blob_pre(var) \ - read_fw var ## _SIZE; \ - mov %eax, %ecx; \ - mov $var ## _DATA, %ax; \ - mov $BIOS_CFG_IOPORT_CFG, %edx; \ - outw %ax, (%dx); \ - mov $BIOS_CFG_IOPORT_DATA, %dx; \ - cld - -/* - * Read a blob from the fw_cfg device. - * Requires _ADDR, _SIZE and _DATA values for the parameter. - * - * Clobbers: %eax, %edx, %es, %ecx, %edi - */ -#define read_fw_blob(var) \ - read_fw var ## _ADDR; \ - mov %eax, %edi; \ - read_fw_blob_pre(var); \ - /* old as(1) doesn't like this insn so emit the bytes instead: \ - rep insb (%dx), %es:(%edi); \ - */ \ - .dc.b 0xf3,0x6c - -/* - * Read a blob from the fw_cfg device in forced addr32 mode. - * Requires _ADDR, _SIZE and _DATA values for the parameter. - * - * Clobbers: %eax, %edx, %es, %ecx, %edi - */ -#define read_fw_blob_addr32(var) \ - read_fw var ## _ADDR; \ - mov %eax, %edi; \ - read_fw_blob_pre(var); \ - /* old as(1) doesn't like this insn so emit the bytes instead: \ - addr32 rep insb (%dx), %es:(%edi); \ - */ \ - .dc.b 0x67,0xf3,0x6c - -/* - * Read a blob from the fw_cfg device in forced addr32 mode, address is in %edi. - * Requires _SIZE and _DATA values for the parameter. - * - * Clobbers: %eax, %edx, %edi, %es, %ecx - */ -#define read_fw_blob_addr32_edi(var) \ - read_fw_blob_pre(var); \ - /* old as(1) doesn't like this insn so emit the bytes instead: \ - addr32 rep insb (%dx), %es:(%edi); \ - */ \ - .dc.b 0x67,0xf3,0x6c - -#define OPTION_ROM_START \ - .code16; \ - .text; \ - .global _start; \ - _start:; \ - .short 0xaa55; \ - .byte (_end - _start) / 512; - -#define BOOT_ROM_START \ - OPTION_ROM_START \ - lret; \ - .org 0x18; \ - .short 0; \ - .short _pnph; \ - _pnph: \ - .ascii "$PnP"; \ - .byte 0x01; \ - .byte ( _pnph_len / 16 ); \ - .short 0x0000; \ - .byte 0x00; \ - .byte 0x00; \ - .long 0x00000000; \ - .short _manufacturer; \ - .short _product; \ - .long 0x00000000; \ - .short 0x0000; \ - .short 0x0000; \ - .short _bev; \ - .short 0x0000; \ - .short 0x0000; \ - .equ _pnph_len, . - _pnph; \ - _bev:; \ - /* DS = CS */ \ - movw %cs, %ax; \ - movw %ax, %ds; - -#define OPTION_ROM_END \ - .byte 0; \ - .align 512, 0; \ - _end: - -#define BOOT_ROM_END \ - _manufacturer:; \ - .asciz "QEMU"; \ - _product:; \ - .asciz BOOT_ROM_PRODUCT; \ - OPTION_ROM_END - |