qemu

FORK: QEMU emulator
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cpu-param.h (746B)

      1 /*
      2  * i386 cpu parameters for qemu.
      3  *
      4  * Copyright (c) 2003 Fabrice Bellard
      5  * SPDX-License-Identifier: LGPL-2.0+
      6  */
      7 
      8 #ifndef I386_CPU_PARAM_H
      9 #define I386_CPU_PARAM_H
     10 
     11 #ifdef TARGET_X86_64
     12 # define TARGET_LONG_BITS             64
     13 # define TARGET_PHYS_ADDR_SPACE_BITS  52
     14 /*
     15  * ??? This is really 48 bits, sign-extended, but the only thing
     16  * accessible to userland with bit 48 set is the VSYSCALL, and that
     17  * is handled via other mechanisms.
     18  */
     19 # define TARGET_VIRT_ADDR_SPACE_BITS  47
     20 #else
     21 # define TARGET_LONG_BITS             32
     22 # define TARGET_PHYS_ADDR_SPACE_BITS  36
     23 # define TARGET_VIRT_ADDR_SPACE_BITS  32
     24 #endif
     25 #define TARGET_PAGE_BITS 12
     26 #define NB_MMU_MODES 5
     27 
     28 #ifndef CONFIG_USER_ONLY
     29 # define TARGET_TB_PCREL 1
     30 #endif
     31 
     32 #endif