cc9c3a053c
No real functional change except how the smaller ARCH_DEFAULT_PAGE_SIZE is now computed and set in defines.h instead of rules.mk for arch/arm to be consistent with the other arch that has a large/small build (riscv).
34 lines
873 B
C
34 lines
873 B
C
/*
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* Copyright (c) 2008 Travis Geiselbrecht
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*
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* Use of this source code is governed by a MIT-style
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* license that can be found in the LICENSE file or at
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* https://opensource.org/licenses/MIT
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*/
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#pragma once
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#define SHIFT_4K (12)
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#define SHIFT_16K (14)
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#define SHIFT_64K (16)
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/* arm specific stuff */
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#ifdef ARM64_LARGE_PAGESIZE_64K
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#define PAGE_SIZE_SHIFT (SHIFT_64K)
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#elif ARM64_LARGE_PAGESIZE_16K
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#define PAGE_SIZE_SHIFT (SHIFT_16K)
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#else
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#define PAGE_SIZE_SHIFT (SHIFT_4K)
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#endif
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#define USER_PAGE_SIZE_SHIFT PAGE_SIZE_SHIFT
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#define PAGE_SIZE (1UL << PAGE_SIZE_SHIFT)
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#define USER_PAGE_SIZE (1UL << USER_PAGE_SIZE_SHIFT)
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// TODO: for all practical purposes the default should be 64
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#if ARM64_CPU_CORTEX_A53 || ARM64_CPU_CORTEX_A57 || ARM64_CPU_CORTEX_A72
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#define CACHE_LINE 64
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#else
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#define CACHE_LINE 32
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#endif
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#define ARCH_DEFAULT_STACK_SIZE PAGE_SIZE |