qemu/target-ia64/firmware.h

   1 /*
   2  * firmwar.h: Firmware build logic head file
   3  *
   4  * Copyright (c) 2007, Intel Corporation.
   5  * Zhang Xiantao <xiantao.zhang@intel.com>
   6  *
   7  * This program is free software; you can redistribute it and/or modify it
   8  * under the terms and conditions of the GNU General Public License,
   9  * version 2, as published by the Free Software Foundation.
  10  *
  11  * This program is distributed in the hope it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  14  * more details.
  15  *
  16  * You should have received a copy of the GNU General Public License along with
  17  * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
  18  * Place - Suite 330, Boston, MA 02111-1307 USA.
  19  */
  20 #ifndef __FIRM_WARE_H
  21 #define  __FIRM_WARE_
  22 #include "cpu.h"
  23
  24 #include <sys/types.h>
  25 #include <sys/stat.h>
  26 #include <fcntl.h>
  27
  28 #include <zlib.h>
  29
  30 #define GFW_SIZE                (16UL<<20)
  31 #define GFW_START               ((4UL<<30) - GFW_SIZE)
  32
  33 #define HOB_SIGNATURE           0x3436474953424f48        // "HOBSIG64"
  34 #define GFW_HOB_START           ((4UL<<30) - (14UL<<20))    // 4G - 14M
  35 #define GFW_HOB_SIZE            (1UL<<20)                 // 1M
  36 #define HOB_OFFSET              (GFW_HOB_START-GFW_START)
  37
  38 #define Hob_Output(s)           fprintf(stderr, s)
  39
  40 #define NVRAM_START  (GFW_START + NVRAM_OFFSET)
  41 #define NVRAM_OFFSET (10 * (1UL << 20))
  42 #define NVRAM_SIZE   (64 * (1UL << 10))
  43 #define NVRAM_VALID_SIG  0x4650494e45584948 /* "HIXENIPF" */
  44 #define VALIDATE_NVRAM_FD(x) ((1UL<<(sizeof(x)*8 - 1)) | x)
  45 #define IS_VALID_NVRAM_FD(x) ((uint64_t)x >> (sizeof(x)*8 - 1))
  46 #define READ_FROM_NVRAM 0
  47 #define WRITE_TO_NVRAM 1
  48
  49 struct nvram_save_addr {
  50     unsigned long addr;
  51     unsigned long signature;
  52 };
  53
  54 extern const char *nvram;
  55 extern uint8_t *g_fw_start;
  56 extern int kvm_ia64_build_hob(unsigned long memsize, unsigned long vcpus,
  57                               uint8_t *fw_start, unsigned long nvram_addr);
  58 extern char *read_image(const char *filename, unsigned long *size);
  59
  60 extern int kvm_ia64_copy_from_GFW_to_nvram(void);
  61 extern int kvm_ia64_nvram_init(unsigned long type);
  62 extern int kvm_ia64_copy_from_nvram_to_GFW(unsigned long nvram_fd,
  63                                            const uint8_t *fw_start);
  64 #endif //__FIRM_WARE_