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openthread: platform: radio_spinel: Spinel variables on global memory #97032

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Merged
merged 1 commit into from
Oct 8, 2025
+12 −5
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openthread: platform: radio_spinel: Spinel variables on global memory #97032

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17 changes: 12 additions & 5 deletions modules/openthread/platform/radio_spinel.cpp
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Original file line number Diff line number Diff line change
@@ -1,6 +1,6 @@
/*

Check warning on line 1 in modules/openthread/platform/radio_spinel.cpp

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License missing 

modules/openthread/platform/radio_spinel.cpp:1 File has no SPDX-License-Identifier header, consider adding one.
* Copyright (c) 2021, The OpenThread Authors.
* Copyright (c) 2022-2024, NXP.
* Copyright (c) 2022-2025, NXP.
*
* All rights reserved.
*
Expand Down Expand Up @@ -46,6 +46,8 @@
#include <zephyr/kernel.h>
#include <zephyr/net/net_pkt.h>
#include <openthread-system.h>
#include <stdalign.h>
#include <common/new.hpp>

enum pending_events {
PENDING_EVENT_FRAME_TO_SEND, /* There is a tx frame to send */
Expand All @@ -60,6 +62,11 @@
static ot::Hdlc::HdlcInterface *pSpinelInterface;
static ot::Spinel::SpinelDriver *psSpinelDriver;

alignas(ot::Spinel::RadioSpinel) static uint8_t gRadioBuf[sizeof(ot::Spinel::RadioSpinel)];
alignas(ot::Url::Url) static uint8_t gUrlBuf[sizeof(ot::Url::Url)];
alignas(ot::Hdlc::HdlcInterface) static uint8_t gIfaceBuf[sizeof(ot::Hdlc::HdlcInterface)];
alignas(ot::Spinel::SpinelDriver) static uint8_t gDriverBuf[sizeof(ot::Spinel::SpinelDriver)];

static const otRadioCaps sRequiredRadioCaps =
#if OPENTHREAD_CONFIG_THREAD_VERSION >= OT_THREAD_VERSION_1_2
OT_RADIO_CAPS_TRANSMIT_SEC | OT_RADIO_CAPS_TRANSMIT_TIMING |
Expand Down Expand Up @@ -527,11 +534,11 @@

iidList[0] = 0;

psRadioSpinel = new ot::Spinel::RadioSpinel();
psSpinelDriver = new ot::Spinel::SpinelDriver();
psRadioSpinel = new(gRadioBuf) ot::Spinel::RadioSpinel();
psSpinelDriver = new(gDriverBuf) ot::Spinel::SpinelDriver();

psRadioUrl = new ot::Url::Url();
pSpinelInterface = new ot::Hdlc::HdlcInterface(*psRadioUrl);
psRadioUrl = new(gUrlBuf) ot::Url::Url();
pSpinelInterface = new(gIfaceBuf) ot::Hdlc::HdlcInterface(*psRadioUrl);

OT_UNUSED_VARIABLE(psSpinelDriver->Init(*pSpinelInterface, true /* aSoftwareReset */,
iidList, OT_ARRAY_LENGTH(iidList)));
Expand Down
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