cd3a5852d6
This commit enables compile-time warnings displayed whenever a deprecated API header is included, and adjusts the existing #include directives accordingly. Issue #1987
123 lines
3.0 KiB
C++
123 lines
3.0 KiB
C++
/*
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* \brief Test controller for Intel framebuffer driver
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* \author Stefan Kalkowski
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* \date 2016-04-19
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*/
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/*
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* Copyright (C) 2016 Genode Labs GmbH
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*
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* This file is part of the Genode OS framework, which is distributed
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* under the terms of the GNU General Public License version 2.
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*/
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#include <base/allocator_avl.h>
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#include <base/component.h>
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#include <base/heap.h>
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#include <base/log.h>
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#include <file_system_session/connection.h>
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#include <file_system/util.h>
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#include <base/attached_rom_dataspace.h>
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#include <util/xml_generator.h>
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#include <util/xml_node.h>
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using namespace Genode;
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struct Framebuffer_controller
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{
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Attached_rom_dataspace rom;
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Signal_handler<Framebuffer_controller> rom_sigh;
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Heap heap;
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Allocator_avl fs_alloc;
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File_system::Connection fs;
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void update_connector_config(Xml_generator & xml, Xml_node & node);
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void update_fb_config(Xml_node & report);
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void report_changed();
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Framebuffer_controller(Env &env)
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: rom("connectors"),
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rom_sigh(env.ep(), *this, &Framebuffer_controller::report_changed),
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heap(env.ram(), env.rm()),
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fs_alloc(&heap),
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fs(fs_alloc, 128*1024, "")
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{
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rom.sigh(rom_sigh);
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}
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};
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void Framebuffer_controller::update_connector_config(Xml_generator & xml,
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Xml_node & node)
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{
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xml.node("connector", [&] {
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String<64> name;
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node.attribute("name").value(&name);
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xml.attribute("name", name.string());
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bool connected = node.attribute_value("connected", false);
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xml.attribute("enabled", connected ? "true" : "false");
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unsigned long width = 0, height = 0;
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node.for_each_sub_node("mode", [&] (Xml_node &mode) {
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unsigned long w, h;
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w = mode.attribute_value<unsigned long>("width", 0);
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h = mode.attribute_value<unsigned long>("height", 0);
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if (w > width) {
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width = w;
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height = h;
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}
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});
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if (width && height) {
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xml.attribute("width", width);
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xml.attribute("height", height);
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}
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});
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}
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void Framebuffer_controller::update_fb_config(Xml_node & report)
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{
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try {
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static char buf[4096];
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Xml_generator xml(buf, sizeof(buf), "config", [&] {
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xml.node("report", [&] {
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xml.attribute("connectors", "yes");
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});
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report.for_each_sub_node("connector", [&] (Xml_node &node) {
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update_connector_config(xml, node); });
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});
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buf[xml.used()] = 0;
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File_system::Dir_handle root_dir = fs.dir("/", false);
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File_system::File_handle file =
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fs.file(root_dir, "fb_drv.config", File_system::READ_WRITE, false);
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if (File_system::write(fs, file, buf, xml.used()) == 0)
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error("Could not write config");
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fs.close(file);
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} catch (...) {
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error("Cannot update config");
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}
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}
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void Framebuffer_controller::report_changed()
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{
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rom.update();
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if (!rom.is_valid()) return;
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Xml_node report(rom.local_addr<char>(), rom.size());
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update_fb_config(report);
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}
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void Component::construct(Genode::Env &env)
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{
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log("--- Framebuffer controller ---\n");
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static Framebuffer_controller controller(env);
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}
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