| paul@3 | 1 | /* |
| paul@3 | 2 | * Input event loop functionality. |
| paul@3 | 3 | * |
| paul@31 | 4 | * Copyright (C) 2018 Paul Boddie <paul@boddie.org.uk> |
| paul@3 | 5 | * |
| paul@3 | 6 | * This program is free software; you can redistribute it and/or |
| paul@3 | 7 | * modify it under the terms of the GNU General Public License as |
| paul@3 | 8 | * published by the Free Software Foundation; either version 2 of |
| paul@3 | 9 | * the License, or (at your option) any later version. |
| paul@3 | 10 | * |
| paul@3 | 11 | * This program is distributed in the hope that it will be useful, |
| paul@3 | 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| paul@3 | 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| paul@3 | 14 | * GNU General Public License for more details. |
| paul@3 | 15 | * |
| paul@3 | 16 | * You should have received a copy of the GNU General Public License |
| paul@3 | 17 | * along with this program; if not, write to the Free Software |
| paul@3 | 18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, |
| paul@3 | 19 | * Boston, MA 02110-1301, USA |
| paul@3 | 20 | */ |
| paul@3 | 21 | |
| paul@3 | 22 | #pragma once |
| paul@3 | 23 | |
| paul@3 | 24 | #ifdef __cplusplus |
| paul@3 | 25 | |
| paul@9 | 26 | #include <l4/devices/event-loop.h> |
| paul@9 | 27 | |
| paul@3 | 28 | #include <l4/re/event> |
| paul@3 | 29 | #include <l4/sys/capability> |
| paul@3 | 30 | #include <l4/sys/icu> |
| paul@3 | 31 | |
| paul@3 | 32 | /* Input event loop abstraction. */ |
| paul@3 | 33 | |
| paul@10 | 34 | class Input_event_loop : public Event_handler_loop<L4Re::Event_buffer::Event> |
| paul@3 | 35 | { |
| paul@3 | 36 | /* Event buffer and notification interrupt capability. */ |
| paul@3 | 37 | |
| paul@3 | 38 | L4Re::Event_buffer _event_buffer; |
| paul@3 | 39 | |
| paul@9 | 40 | /* Notification interrupt capability. */ |
| paul@3 | 41 | |
| paul@9 | 42 | L4::Cap<L4::Irq> _irq; |
| paul@3 | 43 | |
| paul@3 | 44 | public: |
| paul@10 | 45 | /* Initialise the event loop with an event buffer, a notification interrupt, |
| paul@10 | 46 | and a thread priority. */ |
| paul@3 | 47 | |
| paul@10 | 48 | explicit Input_event_loop(L4Re::Event_buffer event_buffer, |
| paul@9 | 49 | L4::Cap<L4::Irq> irq, |
| paul@3 | 50 | int priority=0x20) |
| paul@10 | 51 | : Event_handler_loop(priority), _event_buffer(event_buffer), _irq(irq) |
| paul@3 | 52 | { |
| paul@3 | 53 | } |
| paul@3 | 54 | |
| paul@153 | 55 | explicit Input_event_loop(L4Re::Event_buffer event_buffer, |
| paul@153 | 56 | l4_cap_idx_t irq, |
| paul@153 | 57 | int priority=0x20) |
| paul@153 | 58 | : Event_handler_loop(priority), _event_buffer(event_buffer), _irq(L4::Cap<L4::Irq>(irq)) |
| paul@153 | 59 | { |
| paul@153 | 60 | } |
| paul@153 | 61 | |
| paul@10 | 62 | /* Event handler method, dispatching to the provided handler. */ |
| paul@3 | 63 | |
| paul@9 | 64 | virtual void handle(); |
| paul@3 | 65 | |
| paul@10 | 66 | /* Start the loop, dispatching to the handle method. */ |
| paul@3 | 67 | |
| paul@9 | 68 | virtual void start(l4_umword_t label=0xDF00); |
| paul@3 | 69 | }; |
| paul@3 | 70 | |
| paul@3 | 71 | #endif |
