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As per POSIX specification of limits.h [1], OS libc may define PAGE_SIZE in limits.h. Self defined PAGE_SIZE is frequently used in tests, to prevent collosion of definition, we give PAGE_SIZE definitons reasonable prefixs. [1]: https://pubs.opengroup.org/onlinepubs/7908799/xsh/limits.h.html Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com> Reviewed-by: Thomas Huth <thuth@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-Id: <20210118063808.12471-7-jiaxun.yang@flygoat.com> Signed-off-by: Thomas Huth <thuth@redhat.com>
34 lines
773 B
C
34 lines
773 B
C
/*
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* libqos malloc support for PC
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*
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* Copyright IBM, Corp. 2012-2013
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*
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* Authors:
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* Anthony Liguori <aliguori@us.ibm.com>
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*
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* This work is licensed under the terms of the GNU GPL, version 2 or later.
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* See the COPYING file in the top-level directory.
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*/
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#include "qemu/osdep.h"
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#include "malloc-pc.h"
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#include "fw_cfg.h"
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#include "standard-headers/linux/qemu_fw_cfg.h"
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#include "qemu-common.h"
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#define ALLOC_PAGE_SIZE (4096)
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void pc_alloc_init(QGuestAllocator *s, QTestState *qts, QAllocOpts flags)
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{
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uint64_t ram_size;
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QFWCFG *fw_cfg = pc_fw_cfg_init(qts);
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ram_size = qfw_cfg_get_u64(fw_cfg, FW_CFG_RAM_SIZE);
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alloc_init(s, flags, 1 << 20, MIN(ram_size, 0xE0000000), ALLOC_PAGE_SIZE);
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/* clean-up */
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pc_fw_cfg_uninit(fw_cfg);
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}
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