blob: 25bf26861612058eaa480718e49160e2c6c97475 [file] [log] [blame]
// Copyright 2018 The Fuchsia Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "util.h"
#include <string.h>
#include <zircon/assert.h>
namespace optee {
Uuid::Uuid(const fuchsia_tee_Uuid& uuid) {
data_[0] = static_cast<uint8_t>(uuid.time_low >> 24);
data_[1] = static_cast<uint8_t>(uuid.time_low >> 16);
data_[2] = static_cast<uint8_t>(uuid.time_low >> 8);
data_[3] = static_cast<uint8_t>(uuid.time_low);
data_[4] = static_cast<uint8_t>(uuid.time_mid >> 8);
data_[5] = static_cast<uint8_t>(uuid.time_mid);
data_[6] = static_cast<uint8_t>(uuid.time_hi_and_version >> 8);
data_[7] = static_cast<uint8_t>(uuid.time_hi_and_version);
::memcpy(&data_[8], &uuid.clock_seq_and_node, sizeof(uuid.clock_seq_and_node));
}
void Uuid::ToUint64Pair(uint64_t* out_hi, uint64_t* out_low) const {
ZX_DEBUG_ASSERT(out_hi);
ZX_DEBUG_ASSERT(out_low);
// REE and TEE always share the same endianness so the treatment of UUID bytes is the same on
// both sides.
::memcpy(out_hi, data_, sizeof(*out_hi));
::memcpy(out_low, data_ + sizeof(*out_hi), sizeof(*out_low));
}
} // namespace optee