Move repositories to 'repos/' subdirectory

This patch changes the top-level directory layout as a preparatory
step for improving the tools for managing 3rd-party source codes.
The rationale is described in the issue referenced below.

Issue #1082

repos/base-fiasco/lib/mk/base-common.mk

@@ -0,0 +1,31 @@
+#
+# \brief  Portions of base library shared by core and non-core processes
+# \author Norman Feske
+# \date   2013-02-14
+#
+
+LIBS += cxx startup
+
+SRC_CC += cap_copy.cc
+SRC_CC += ipc/ipc.cc ipc/pager.cc ipc/ipc_marshal_cap.cc
+SRC_CC += pager/pager.cc pager/common.cc
+SRC_CC += avl_tree/avl_tree.cc
+SRC_CC += allocator/slab.cc
+SRC_CC += allocator/allocator_avl.cc
+SRC_CC += heap/heap.cc heap/sliced_heap.cc
+SRC_CC += console/console.cc
+SRC_CC += child/child.cc
+SRC_CC += process/process.cc
+SRC_CC += elf/elf_binary.cc
+SRC_CC += lock/lock.cc
+SRC_CC += signal/signal.cc signal/common.cc
+SRC_CC += server/server.cc server/common.cc
+SRC_CC += thread/thread.cc thread/thread_bootstrap.cc thread/trace.cc
+SRC_CC += thread/context_allocator.cc
+
+INC_DIR +=  $(REP_DIR)/src/base/lock
+INC_DIR += $(BASE_DIR)/src/base/thread
+
+vpath cap_copy.cc $(BASE_DIR)/src/platform
+vpath %.cc        $(REP_DIR)/src/base
+vpath %.cc        $(BASE_DIR)/src/base

repos/base-fiasco/lib/mk/base.mk

@@ -0,0 +1,16 @@
+#
+# \brief  Portions of base library that are exclusive to non-core processes
+# \author Norman Feske
+# \date   2013-02-14
+#
+
+LIBS += base-common
+
+SRC_CC += console/log_console.cc
+SRC_CC += env/env.cc env/context_area.cc env/reinitialize.cc
+SRC_CC += thread/thread_start.cc
+
+INC_DIR += $(BASE_DIR)/src/base/env
+
+vpath %.cc  $(REP_DIR)/src/base
+vpath %.cc $(BASE_DIR)/src/base

repos/base-fiasco/lib/mk/l4v2_support.mk

@@ -0,0 +1,19 @@
+#
+# Build L4env base libraries, needed by sigma0 and bootstrap
+
+
+# ignore stage one, visit the L4 build system at second build stage
+ifeq ($(called_from_lib_mk),yes)
+
+# packages in 'l4/pkg/'
+PKGS = l4sys/lib \
+       uclibc/lib/uclibc \
+       uclibc/lib/include \
+       crtx \
+       l4util/lib \
+       cxx
+
+include $(REP_DIR)/mk/l4_pkg.mk
+all: $(PKG_TAGS)
+
+endif

repos/base-fiasco/lib/mk/platform.inc

@@ -0,0 +1,56 @@
+#
+# Create prerequisites for building Genode for Fiasco
+#
+# Prior building Genode programs for Fiasco, the kernel bindings must be
+# generated. This is done by building a minimalistic subset of the original
+# userland that comes with Fiasco.
+#
+
+#
+# Execute the rules in this file only at the second build stage when we know
+# about the complete build settings, e.g., the 'CROSS_DEV_PREFIX'.
+#
+ifeq ($(called_from_lib_mk),yes)
+
+#
+# Sanity checks
+#
+ifeq ($(L4_BUILD_DIR),$(BUILD_BASE_DIR)/l4)
+all: $(L4_SRC_DIR)
+
+$(L4_SRC_DIR):
+	$(VERBOSE)$(ECHO) "--> Please, execute 'make prepare' in $(REP_DIR)"
+	$(VERBOSE)$(ECHO) "--> before compiling Genode apps for Fiasco."
+	$(VERBOSE)exit 1
+endif
+
+#
+# Create L4 build directory
+#
+$(BUILD_BASE_DIR)/l4/.Makeconf.bid.old:
+	$(VERBOSE)mkdir -p $(dir $@)
+	$(VERBOSE)cp $(L4_CONFIG) $(@:.old=)
+	$(VERBOSE_MK) MAKEFLAGS= make $(VERBOSE_DIR) -C $(L4_SRC_DIR)/l4 \
+         O=$(BUILD_BASE_DIR)/l4 SYSTEM_TARGET="$(CROSS_DEV_PREFIX)" oldconfig
+
+$(BUILD_BASE_DIR)/l4/pkg/uclibc/lib/uclibc:
+	$(VERBOSE)mkdir -p $(BUILD_BASE_DIR)/l4/pkg/uclibc/lib/uclibc
+	$(VERBOSE)tar cf - --exclude .svn -C $(L4_SRC_DIR)/../uclibc ARCH-all ARCH-x86 \
+              | tar xf - -C $(BUILD_BASE_DIR)/l4/pkg/uclibc/lib/uclibc
+
+PKGS = input/include \
+       drivers/uart/include \
+       l4sys/include \
+       l4util/include \
+       libc_support/include \
+       libsigma0/include
+
+include $(REP_DIR)/mk/l4_pkg.mk
+
+all: $(PKG_TAGS)
+
+$(PKG_TAGS): $(BUILD_BASE_DIR)/l4/.Makeconf.bid.old
+$(PKG_TAGS): $(BUILD_BASE_DIR)/l4/pkg/uclibc/lib/uclibc
+
+endif
+

repos/base-fiasco/lib/mk/x86/platform.mk

@@ -0,0 +1,6 @@
+#
+# Configuration for L4 build system (for kernel-bindings, sigma0, bootstrap).
+#
+L4_CONFIG = $(REP_DIR)/config/l4env-config.x86
+
+include $(REP_DIR)/lib/mk/platform.inc