Yaya48
cf256aa081
Upstream: https://gitlab.com/qemu-project/qemu.git Upstream-Commit: d2e570cc0f97b936902a5b1b86b73c0f5998b475
32 lines
789 B
C
32 lines
789 B
C
/*
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* SPDX-License-Identifier: GPL-2.0-or-later
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*
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* pass hardware information to uefi
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*
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* see OvmfPkg/Library/HardwareInfoLib/ in edk2
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*/
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#include "qemu/osdep.h"
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#include "hw/nvram/fw_cfg.h"
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#include "hw/uefi/hardware-info.h"
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static void *blob;
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static uint64_t blobsize;
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void hardware_info_register(HARDWARE_INFO_TYPE type, void *info, uint64_t infosize)
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{
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HARDWARE_INFO_HEADER hdr = {
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.type.value = cpu_to_le64(type),
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.size = cpu_to_le64(infosize),
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};
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blob = g_realloc(blob, blobsize + sizeof(hdr) + infosize);
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memcpy(blob + blobsize, &hdr, sizeof(hdr));
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blobsize += sizeof(hdr);
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memcpy(blob + blobsize, info, infosize);
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blobsize += infosize;
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fw_cfg_modify_file(fw_cfg_find(), "etc/hardware-info", blob, blobsize);
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}
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