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https://github.com/Atmosphere-NX/Atmosphere.git
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96f95b9f95
* result: try out some experimental shenanigans * result: sketch out some more shenanigans * result: see what it looks like to convert kernel to use result conds instead of guards * make rest of kernel use experimental new macro-ing
76 lines
2.8 KiB
C++
76 lines
2.8 KiB
C++
/*
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* Copyright (c) Atmosphère-NX
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <mesosphere.hpp>
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namespace ams::kern::svc {
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/* ============================= Common ============================= */
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namespace {
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constexpr bool IsValidInterruptType(ams::svc::InterruptType type) {
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switch (type) {
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case ams::svc::InterruptType_Edge:
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case ams::svc::InterruptType_Level:
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return true;
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default:
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return false;
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}
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}
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Result CreateInterruptEvent(ams::svc::Handle *out, int32_t interrupt_id, ams::svc::InterruptType type) {
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/* Validate the type. */
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R_UNLESS(IsValidInterruptType(type), svc::ResultInvalidEnumValue());
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/* Check whether the interrupt is allowed. */
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auto &process = GetCurrentProcess();
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R_UNLESS(process.IsPermittedInterrupt(interrupt_id), svc::ResultNotFound());
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/* Get the current handle table. */
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auto &handle_table = process.GetHandleTable();
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/* Create the interrupt event. */
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KInterruptEvent *event = KInterruptEvent::Create();
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R_UNLESS(event != nullptr, svc::ResultOutOfResource());
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ON_SCOPE_EXIT { event->Close(); };
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/* Initialize the event. */
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R_TRY(event->Initialize(interrupt_id, type));
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/* Register the event. */
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KInterruptEvent::Register(event);
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/* Add the event to the handle table. */
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R_TRY(handle_table.Add(out, event));
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R_SUCCEED();
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}
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}
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/* ============================= 64 ABI ============================= */
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Result CreateInterruptEvent64(ams::svc::Handle *out_read_handle, int32_t interrupt_id, ams::svc::InterruptType interrupt_type) {
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R_RETURN(CreateInterruptEvent(out_read_handle, interrupt_id, interrupt_type));
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}
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/* ============================= 64From32 ABI ============================= */
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Result CreateInterruptEvent64From32(ams::svc::Handle *out_read_handle, int32_t interrupt_id, ams::svc::InterruptType interrupt_type) {
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R_RETURN(CreateInterruptEvent(out_read_handle, interrupt_id, interrupt_type));
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}
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}
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