47 lines
1.4 KiB
C
47 lines
1.4 KiB
C
/*
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* SPDX-FileCopyrightText: 2022 Unisoc (Shanghai) Technologies Co., Ltd
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* SPDX-License-Identifier: LicenseRef-Unisoc-General-1.0
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*
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* Copyright 2022 Unisoc (Shanghai) Technologies Co., Ltd.
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*
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* Licensed under the Unisoc General Software License, version 1.0 (the License);
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* https://www.unisoc.com/en_us/license/UNISOC_GENERAL_LICENSE_V1.0-EN_US
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*
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* Software distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OF ANY KIND, either express or implied.
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* See the Unisoc General Software License, version 1.0 for more details.
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*/
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#include <string.h>
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#include <uuid.h>
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#define SHIFT_U32(v, shift) ((uint32_t)(v) << (shift))
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void tee_uuid_to_octets(uint8_t *d, const gptee_uuid_t *s)
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{
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d[0] = s->time_low >> 24;
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d[1] = s->time_low >> 16;
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d[2] = s->time_low >> 8;
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d[3] = s->time_low;
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d[4] = s->time_mid >> 8;
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d[5] = s->time_mid;
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d[6] = s->time_hi_and_version >> 8;
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d[7] = s->time_hi_and_version;
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memcpy(d + 8, s->clock_seq_and_node, sizeof(s->clock_seq_and_node));
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}
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void tee_uuid_from_octets(gptee_uuid_t *d, const uint8_t *s)
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{
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d->time_low = SHIFT_U32(s[0], 24) | SHIFT_U32(s[1], 16) |
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SHIFT_U32(s[2], 8) | s[3];
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d->time_mid = SHIFT_U32(s[4], 8) | s[5];
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d->time_hi_and_version = SHIFT_U32(s[6], 8) | s[7];
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memcpy(d->clock_seq_and_node, s + 8, sizeof(d->clock_seq_and_node));
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}
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