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ee3863b9d4
Traditionally, MIPS use 4KB page size, but Loongson prefer 16KB page size in system emulator. So, let's define TARGET_PAGE_BITS_VARY and TARGET_PAGE_BITS_MIN to support variable page size. Cc: Jiaxun Yang <jiaxun.yang@flygoat.com> Signed-off-by: Huacai Chen <chenhc@lemote.com> Reviewed-by: Aleksandar Markovic <aleksandar.qemu.devel@gmail.com> Signed-off-by: Aleksandar Markovic <aleksandar.qemu.devel@gmail.com> Message-Id: <1586337380-25217-1-git-send-email-chenhc@lemote.com>
35 lines
657 B
C
35 lines
657 B
C
/*
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* MIPS cpu parameters for qemu.
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*
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* SPDX-License-Identifier: LGPL-2.0+
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*/
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#ifndef MIPS_CPU_PARAM_H
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#define MIPS_CPU_PARAM_H 1
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#ifdef TARGET_MIPS64
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# define TARGET_LONG_BITS 64
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#else
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# define TARGET_LONG_BITS 32
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#endif
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#ifdef TARGET_MIPS64
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#define TARGET_PHYS_ADDR_SPACE_BITS 48
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#define TARGET_VIRT_ADDR_SPACE_BITS 48
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#else
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#define TARGET_PHYS_ADDR_SPACE_BITS 40
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# ifdef CONFIG_USER_ONLY
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# define TARGET_VIRT_ADDR_SPACE_BITS 31
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# else
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# define TARGET_VIRT_ADDR_SPACE_BITS 32
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#endif
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#endif
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#ifdef CONFIG_USER_ONLY
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#define TARGET_PAGE_BITS 12
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#else
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#define TARGET_PAGE_BITS_VARY
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#define TARGET_PAGE_BITS_MIN 12
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#endif
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#define NB_MMU_MODES 4
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#endif
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