qemu

FORK: QEMU emulator
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cpu-param.h (955B)


      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
     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