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46 lines
1.1 KiB
C
46 lines
1.1 KiB
C
/*
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* PowerPC cpu parameters for qemu.
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*
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* Copyright (c) 2007 Jocelyn Mayer
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* SPDX-License-Identifier: LGPL-2.0-or-later
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*/
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#ifndef PPC_CPU_PARAM_H
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#define PPC_CPU_PARAM_H
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#ifdef TARGET_PPC64
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# define TARGET_LONG_BITS 64
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/*
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* Note that the official physical address space bits is 62-M where M
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* is implementation dependent. I've not looked up M for the set of
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* cpus we emulate at the system level.
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*/
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#define TARGET_PHYS_ADDR_SPACE_BITS 62
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/*
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* Note that the PPC environment architecture talks about 80 bit virtual
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* addresses, with segmentation. Obviously that's not all visible to a
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* single process, which is all we're concerned with here.
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*/
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# ifdef TARGET_ABI32
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# define TARGET_VIRT_ADDR_SPACE_BITS 32
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# else
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# define TARGET_VIRT_ADDR_SPACE_BITS 64
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# endif
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#else
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# define TARGET_LONG_BITS 32
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# define TARGET_PHYS_ADDR_SPACE_BITS 36
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# define TARGET_VIRT_ADDR_SPACE_BITS 32
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#endif
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#ifdef CONFIG_USER_ONLY
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/* Allow user-only to vary page size from 4k */
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# define TARGET_PAGE_BITS_VARY
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# define TARGET_PAGE_BITS_MIN 12
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#else
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# define TARGET_PAGE_BITS 12
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#endif
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#define TCG_GUEST_DEFAULT_MO 0
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#endif
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