Simple test for framebuffer driver

os/run/framebuffer.run

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+#
+# Build
+#
+
+build { core init test/framebuffer drivers/framebuffer drivers/timer }
+
+create_boot_directory
+
+#
+# Generate config
+#
+
+append config {
+<config>
+	<parent-provides>
+		<service name="ROM"/>
+		<service name="RAM"/>
+		<service name="IRQ"/>
+		<service name="IO_MEM"/>
+		<service name="IO_PORT"/>
+		<service name="CAP"/>
+		<service name="PD"/>
+		<service name="RM"/>
+		<service name="CPU"/>
+		<service name="LOG"/>
+	</parent-provides>
+	<default-route>
+		<any-service> <parent/> <any-child/> </any-service>
+	</default-route>}
+
+append_if [have_spec sdl] config {
+	<start name="fb_sdl">
+		<resource name="RAM" quantum="4M"/>
+		<provides>
+			<service name="Input"/>
+			<service name="Framebuffer"/>
+		</provides>
+	</start>}
+
+append_if [have_spec pci] config {
+	<start name="pci_drv">
+		<resource name="RAM" quantum="1M"/>
+		<provides><service name="PCI"/></provides>
+	</start>}
+
+append_if [have_spec vesa] config {
+	<start name="vesa_drv">
+		<resource name="RAM" quantum="1M"/>
+		<provides><service name="Framebuffer"/></provides>
+	</start>}
+
+append_if [have_spec pl11x] config {
+	<start name="pl11x_drv">
+		<resource name="RAM" quantum="2M"/>
+		<provides><service name="Framebuffer"/></provides>
+	</start>}
+
+append_if [have_spec omap4] config {
+	<start name="timer">
+		<resource name="RAM" quantum="1M"/>
+		<provides><service name="Timer"/></provides>
+	</start>
+	<start name="omap44xx_fb_drv">
+		<resource name="RAM" quantum="4M"/>
+		<provides><service name="Framebuffer"/></provides>
+	</start>}
+
+append config {
+	<start name="test-framebuffer">
+		<resource name="RAM" quantum="10M"/>
+	</start>
+</config>}
+
+install_config $config
+
+#
+# Boot modules
+#
+
+# generic modules
+set boot_modules {
+	core init timer
+	test-framebuffer
+}
+
+# platform-specific modules
+lappend_if [have_spec sdl]   boot_modules fb_sdl
+lappend_if [have_spec pci]   boot_modules pci_drv
+lappend_if [have_spec vesa]  boot_modules vesa_drv
+lappend_if [have_spec pl11x] boot_modules pl11x_drv
+lappend_if [have_spec omap4] boot_modules omap44xx_fb_drv
+
+build_boot_image $boot_modules
+
+run_genode_until forever
+

os/src/test/framebuffer/main.cc

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+/*
+ * \brief  Basic test for framebuffer session
+ * \author Martin Stein
+ * \date   2012-01-09
+ */
+
+/*
+ * Copyright (C) 2012 Genode Labs GmbH
+ *
+ * This file is part of the Genode OS framework, which is distributed
+ * under the terms of the GNU General Public License version 2.
+ */
+
+/* Genode includes */
+#include <framebuffer_session/connection.h>
+#include <dataspace/client.h>
+#include <base/printf.h>
+#include <base/env.h>
+
+using namespace Genode;
+
+int main()
+{
+	printf("--- Test framebuffer ---\n");
+
+	/* create framebuffer */
+	static Framebuffer::Connection fb;
+	Framebuffer::Mode const mode = fb.mode();
+	PINF("framebuffer is %dx%d@%d\n", mode.width(), mode.height(), mode.format());
+	Dataspace_capability fb_ds_cap = fb.dataspace();
+	if (!fb_ds_cap.valid()) {
+		PERR("Could not request dataspace for frame buffer");
+		return -2;
+	}
+	Framebuffer::Mode const fb_mode = fb.mode();
+
+	/* write pixeldata to framebuffer */
+	void * fb_base = env()->rm_session()->attach(fb_ds_cap);
+	unsigned j;
+	unsigned const fb_size = (unsigned)(mode.width()*mode.height())/2;
+	for(unsigned i = 0; i < fb_size; i++)
+	{
+		*(((unsigned volatile *)fb_base) + i) = j;
+		j++;
+	}
+	fb.refresh(0, 0, fb_mode.width(), fb_mode.height());
+	printf("--- end ---\n");
+	while(1);
+	return 0;
+}
+

os/src/test/framebuffer/target.mk

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+#
+# \brief   Basic test for framebuffer session
+# \author  Martin Stein
+# \date    2012-04-25
+#
+
+# set program name
+TARGET = test-framebuffer
+
+# add c++ sources
+SRC_CC += main.cc
+
+# add libraries
+LIBS += cxx env