LXR qemu/target/ppc/cpu-param.h

   1/*
   2 * PowerPC cpu parameters for qemu.
   3 *
   4 * Copyright (c) 2007 Jocelyn Mayer
   5 * SPDX-License-Identifier: LGPL-2.0+
   6 */
   7
   8#ifndef PPC_CPU_PARAM_H
   9#define PPC_CPU_PARAM_H 1
  10
  11#ifdef TARGET_PPC64
  12# define TARGET_LONG_BITS 64
  13/*
  14 * Note that the official physical address space bits is 62-M where M
  15 * is implementation dependent.  I've not looked up M for the set of
  16 * cpus we emulate at the system level.
  17 */
  18#define TARGET_PHYS_ADDR_SPACE_BITS 62
  19/*
  20 * Note that the PPC environment architecture talks about 80 bit virtual
  21 * addresses, with segmentation.  Obviously that's not all visible to a
  22 * single process, which is all we're concerned with here.
  23 */
  24# ifdef TARGET_ABI32
  25#  define TARGET_VIRT_ADDR_SPACE_BITS 32
  26# else
  27#  define TARGET_VIRT_ADDR_SPACE_BITS 64
  28# endif
  29#else
  30# define TARGET_LONG_BITS 32
  31# define TARGET_PHYS_ADDR_SPACE_BITS 36
  32# define TARGET_VIRT_ADDR_SPACE_BITS 32
  33#endif
  34#define TARGET_PAGE_BITS 12
  35#define NB_MMU_MODES 10
  36
  37#endif
  38