mirror of
https://github.com/Bareflank/hypervisor
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91 lines
3.3 KiB
C++
91 lines
3.3 KiB
C++
/// @copyright
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/// Copyright (C) 2020 Assured Information Security, Inc.
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///
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/// @copyright
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/// Permission is hereby granted, free of charge, to any person obtaining a copy
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/// of this software and associated documentation files (the "Software"), to deal
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/// in the Software without restriction, including without limitation the rights
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/// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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/// copies of the Software, and to permit persons to whom the Software is
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/// furnished to do so, subject to the following conditions:
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///
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/// @copyright
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/// The above copyright notice and this permission notice shall be included in
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/// all copies or substantial portions of the Software.
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///
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/// @copyright
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/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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/// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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/// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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/// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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/// SOFTWARE.
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#include "integration_utils.hpp"
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#include <bf_constants.hpp>
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#include <bsl/debug.hpp>
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#include <bsl/exit_code.hpp>
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#include <bsl/safe_integral.hpp>
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#include <bsl/unlikely.hpp>
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namespace integration
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{
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/// @brief stores the handle the extension will use
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constinit inline syscall::bf_handle_t g_handle{};
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/// <!-- description -->
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/// @brief Implements the fast fail entry function.
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///
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/// <!-- inputs/outputs -->
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/// @param fail_reason the exit reason associated with the fail
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///
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extern "C" void
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fail_entry(syscall::bf_status_t::value_type const fail_reason) noexcept
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{
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bsl::discard(fail_reason);
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syscall::bf_control_op_exit();
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}
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/// <!-- description -->
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/// @brief Implements the main entry function for this integration
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/// test
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///
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/// <!-- inputs/outputs -->
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/// @param version the version of the spec implemented by the
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/// microkernel. This can be used to ensure the extension and the
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/// microkernel speak the same ABI.
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///
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extern "C" void
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ext_main_entry(bsl::uint32 const version) noexcept
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{
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bsl::errc_type ret{};
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if (bsl::unlikely(!syscall::bf_is_spec1_supported(version))) {
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bsl::error() << "integration test not supported\n" << bsl::here();
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return syscall::bf_control_op_exit();
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}
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ret = syscall::bf_handle_op_open_handle(syscall::BF_SPEC_ID1_VAL, g_handle);
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integration::require_success(ret);
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ret = syscall::bf_callback_op_register_fail(g_handle, nullptr);
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integration::verify(bsl::errc_failure == ret);
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ret = syscall::bf_callback_op_register_fail(g_handle, &fail_entry);
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integration::verify(bsl::errc_success == ret);
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ret = syscall::bf_callback_op_register_fail(g_handle, &fail_entry);
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integration::verify(bsl::errc_failure == ret);
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/// TODO:
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/// - When multiple extensions are supported, an extra test needs
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/// to be added for when two extensions try to register for this
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/// callback as that is not allowed
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///
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return integration::early();
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}
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}
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