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author | Yulia Garbovich <yulia.garbovich@arm.com> | 2021-11-23 20:00:04 +0200 |
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committer | Yulia Garbovich <yulia.garbovich@arm.com> | 2021-12-14 11:43:57 +0200 |
commit | e9cdc6374dc730dc61d2a8a81beabe563ad7fe88 (patch) | |
tree | e56813c3fb447cf0bb9200157f802971d6f40be8 /drivers/mailbox/src | |
parent | 29467e04fbc15f53001c0c95227db34160b776e7 (diff) | |
download | ethos-u-core-platform-e9cdc6374dc730dc61d2a8a81beabe563ad7fe88.tar.gz |
Add mpu driver and remove interface library
from drivers
Add mpu driver for upstreaming
After removing of interface library,targets and applications
will list explicitly which libraries to link
Change-Id: Icfa449a2981093161f283e45b4d52ca6199371b8
Diffstat (limited to 'drivers/mailbox/src')
-rw-r--r-- | drivers/mailbox/src/mailbox.cpp | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/drivers/mailbox/src/mailbox.cpp b/drivers/mailbox/src/mailbox.cpp new file mode 100644 index 0000000..e5950f0 --- /dev/null +++ b/drivers/mailbox/src/mailbox.cpp @@ -0,0 +1,65 @@ +/* + * Copyright (c) 2020-2021 Arm Limited. All rights reserved. + * + * SPDX-License-Identifier: Apache-2.0 + * + * Licensed under the Apache License, Version 2.0 (the License); you may + * not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an AS IS BASIS, WITHOUT + * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include <mailbox.hpp> + +#include <cassert> +#include <cstddef> + +namespace Mailbox { + +Mailbox::Mailbox() {} +Mailbox::~Mailbox() {} + +bool Mailbox::verifyHardware() { + return true; +} + +void Mailbox::registerCallback(CallbackFptr callback, void *userArg) { + callbacks.push_back({callback, userArg}); +} + +void Mailbox::deregisterCallback(CallbackFptr callback, void *userArg) { + callbacks.remove({callback, userArg}); +} + +void Mailbox::notify() { + for (auto &it : callbacks) { + it.callback(it.userArg); + } +} + +uint32_t Mailbox::read32(volatile uint32_t *baseAddr, const uint32_t offset) { + assert(offset % 4 == 0); + volatile uint32_t *addr = baseAddr + (offset / 4); + + return *addr; +} + +void Mailbox::write32(volatile uint32_t *baseAddr, const uint32_t offset, const uint32_t value) { + assert(offset % 4 == 0); + volatile uint32_t *addr = baseAddr + (offset / 4); + + *addr = value; +} + +bool Mailbox::Callback::operator==(const Callback &b) const { + return (callback == b.callback && userArg == b.userArg); +} + +} // namespace Mailbox |