From ca383751078e93cb741f1b0cb60d5c876cefb266 Mon Sep 17 00:00:00 2001
From: Martin Stein <martin.stein@genode-labs.com>
Date: Thu, 19 Jan 2017 18:52:40 +0100
Subject: [PATCH] test/fb_block_adapter: remove

The FB Block Adapter in os/src/test visualizes a block session via a
Framebuffer session. As far as I can see, it is not a test but rather
the base for a bump-in-the-wire component. However, for this role it
currently lacks a Block back-end. As it also would have to be updated to
use the new base API I removed it instead, leaving only its git
history as inspiration if someone needs such a component in the future.

Fixes #2245
Ref #1987
---
 repos/os/src/test/fb_block_adapter/main.cc   | 127 -------------------
 repos/os/src/test/fb_block_adapter/target.mk |   3 -
 2 files changed, 130 deletions(-)
 delete mode 100644 repos/os/src/test/fb_block_adapter/main.cc
 delete mode 100644 repos/os/src/test/fb_block_adapter/target.mk

diff --git a/repos/os/src/test/fb_block_adapter/main.cc b/repos/os/src/test/fb_block_adapter/main.cc
deleted file mode 100644
index b6d1bce9b5..0000000000
--- a/repos/os/src/test/fb_block_adapter/main.cc
+++ /dev/null
@@ -1,127 +0,0 @@
-/*
- * \brief  Test for the block session server side
- * \author Stefan Kalkowski
- * \date   2010-07-06
- *
- * This test app provides the framebuffer it requests via framebuffer session
- * as a block device.
- */
-
-/*
- * Copyright (C) 2010-2017 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.
- */
-
-#include <base/printf.h>
-#include <framebuffer_session/connection.h>
-#include <block/component.h>
-
-class Driver : public Block::Driver
-{
-	private:
-
-		enum { BLOCK_SIZE = 512 };
-
-		Framebuffer::Connection      _fb;
-		Framebuffer::Mode            _fb_mode;
-		Genode::Dataspace_capability _fb_cap;
-		Genode::Dataspace_client     _fb_dsc;
-		Genode::addr_t               _fb_addr;
-		Genode::size_t               _fb_size;
-
-	public:
-
-		Driver(Genode::Ram_session &ram)
-		: Block::Driver(ram),
-		  _fb_mode(_fb.mode()),
-		  _fb_cap(_fb.dataspace()),
-		  _fb_dsc(_fb_cap),
-		  _fb_addr(Genode::env()->rm_session()->attach(_fb_cap)),
-		  _fb_size(_fb_dsc.size()){}
-
-
-		/*******************************
-		 **  Block::Driver interface  **
-		 *******************************/
-
-		Genode::size_t  block_size()  { return BLOCK_SIZE; }
-		Block::sector_t block_count() { return _fb_size / BLOCK_SIZE; }
-
-		Block::Session::Operations ops()
-		{
-			Block::Session::Operations ops;
-			ops.set_operation(Block::Packet_descriptor::READ);
-			ops.set_operation(Block::Packet_descriptor::WRITE);
-			return ops;
-		}
-
-		void read(Block::sector_t           block_number,
-		          Genode::size_t            block_count,
-		          char                     *buffer,
-		          Block::Packet_descriptor &packet)
-		{
-			/* sanity check block number */
-			if (block_number + block_count > _fb_size / BLOCK_SIZE) {
-				PWRN("Out of range: requested %ld blocks from block %llu",
-				     block_count, block_number);
-				return;
-			}
-
-			Genode::size_t offset = block_number * BLOCK_SIZE;
-			Genode::size_t size   = block_count  * BLOCK_SIZE;
-
-			Genode::memcpy((void*)buffer, (void*)(_fb_addr + offset), size);
-			ack_packet(packet);
-		}
-
-		void write(Block::sector_t           block_number,
-		           Genode::size_t            block_count,
-		           char const               *buffer,
-		           Block::Packet_descriptor &packet)
-		{
-			/* sanity check block number */
-			if (block_number + block_count > _fb_size / BLOCK_SIZE) {
-				PWRN("Out of range: requested %ld blocks from block %llu",
-				     block_count, block_number);
-				return;
-			}
-
-			Genode::size_t offset = block_number * BLOCK_SIZE;
-			Genode::size_t size   = block_count  * BLOCK_SIZE;
-
-			Genode::memcpy((void*)(_fb_addr + offset), (void*)buffer, size);
-			_fb.refresh(0, 0, _fb_mode.width(), _fb_mode.height());
-			ack_packet(packet);
-		}
-};
-
-
-struct Factory : Block::Driver_factory
-{
-	Genode::Ram_session &ram;
-	Genode::Heap        &heap;
-
-	Factory(Genode::Ram_session &ram, Genode::Heap &heap)
-	: ram(ram), heap(heap) {}
-
-	Block::Driver *create() { return new (&heap) Driver(ram); }
-
-	void destroy(Block::Driver *driver) { Genode::destroy(&heap, driver); }
-};
-
-
-struct Main
-{
-	Genode::Env    &env;
-	Genode::Heap    heap { env.ram(), env.rm() };
-	struct Factory  factory { env.ram(), heap };
-	Block::Root     root { env.ep(), heap, env.rm(), factory };
-
-	Main(Genode::Env &env) : env(env) {
-		env.parent().announce(env.ep().manage(root)); }
-};
-
-
-void Component::construct(Genode::Env &env) { static Main m(env); }
diff --git a/repos/os/src/test/fb_block_adapter/target.mk b/repos/os/src/test/fb_block_adapter/target.mk
deleted file mode 100644
index ecf06a7797..0000000000
--- a/repos/os/src/test/fb_block_adapter/target.mk
+++ /dev/null
@@ -1,3 +0,0 @@
-TARGET = test-fb_blk_adapter
-SRC_CC = main.cc
-LIBS   = base