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+# ====================================================================
+#
+#      hal.cdl
+#
+#      HAL configuration data
+#
+# ====================================================================
+#####COPYRIGHTBEGIN####
+#                                                                          
+# -------------------------------------------                              
+# The contents of this file are subject to the Red Hat eCos Public License 
+# Version 1.1 (the "License"); you may not use this file except in         
+# compliance with the License.  You may obtain a copy of the License at    
+# http://www.redhat.com/                                                   
+#                                                                          
+# Software distributed under the License is distributed on an "AS IS"      
+# basis, WITHOUT WARRANTY OF ANY KIND, either express or implied.  See the 
+# License for the specific language governing rights and limitations under 
+# the License.                                                             
+#                                                                          
+# The Original Code is eCos - Embedded Configurable Operating System,      
+# released September 30, 1998.                                             
+#                                                                          
+# The Initial Developer of the Original Code is Red Hat.                   
+# Portions created by Red Hat are                                          
+# Copyright (C) 1998, 1999, 2000 Red Hat, Inc.                             
+# All Rights Reserved.                                                     
+# -------------------------------------------                              
+#                                                                          
+#####COPYRIGHTEND####
+# ====================================================================
+######DESCRIPTIONBEGIN####
+#
+# Author(s):      bartv
+# Original data:  nickg,jskov,jlarmour
+# Contributors:
+# Date:           1999-06-13
+#
+#####DESCRIPTIONEND####
+#
+# ====================================================================
+
+cdl_package CYGPKG_HAL {
+    display       "eCos HAL"
+    include_dir   cyg/hal
+    description   "
+        The eCos HAL package provide a porting layer for
+        higher-level parts of the system such as the kernel and the
+        C library. Each installation should have HAL packages for
+        one or more architectures, and for each architecture there
+        may be one or more supported platforms. It is necessary to
+        select one target architecture and one platform for that
+        architecture. There are also a number of configuration
+        options that are common to all HAL packages."
+    doc           redirect/the-ecos-hardware-abstraction-layer-hal.html
+
+    compile       generic-stub.c thread-packets.c hal_stub.c drv_api.c
+    compile       -library=libextras.a dummy.c
+
+    make -priority 250 {
+        <PREFIX>/lib/extras.o: <PREFIX>/lib/libextras.a
+        $(CC) $(CFLAGS) -nostdlib -Wl,-r -Wl,--whole-archive -o $@ $<
+    }   
+
+
+    cdl_component CYGPKG_HAL_COMMON {
+        display       "Platform-independent HAL options"
+        flavor        none
+        description   "
+            A number of configuration options are common to most or all
+            HAL packages, for example options controlling how much state
+            should be saved during a context switch. The implementations
+            of these options will vary from architecture to architecture."
+
+        script        common.cdl
+    }
+
+    cdl_component CYGPKG_HAL_COMMON_INTERRUPTS {
+        display       "HAL interrupt handling"
+        flavor        none
+        description   "
+            A number of configuration options related to interrupt
+            handling are common to most or all HAL packages, even though
+            the implementations will vary from architecture to
+            architecture."
+
+        script        interrupts.cdl
+    }
+
+    cdl_component CYGPKG_HAL_COMMON_CONTEXT {
+        display       "HAL context switch support"
+        flavor        none
+        description   "
+            A number of configuration options related to thread contexts
+            are common to most or all HAL packages, even though the
+            implementations will vary from architecture to architecture."
+
+        cdl_option CYGDBG_HAL_COMMON_CONTEXT_SAVE_MINIMUM {
+            display       "Use minimum thread context"
+            parent        CYGPKG_HAL_COMMON_CONTEXT
+            default_value 1
+            description   "
+                The thread context switch code can exploit the calling
+                conventions defined for a given architecture to reduce the
+                amount of state that has to be saved during a context
+                switch. Generally this improves performance and reduces
+                code size. However it can make source-level debugging more
+                difficult."
+        }
+    }
+
+    cdl_component CYGPKG_HAL_DEBUG {
+        display       "Source-level debugging support"
+        flavor        none
+        description   "
+            If the source level debugger gdb is to be used for debugging
+            application code then it may be necessary to configure in support
+            for this in the HAL."
+
+        script        debugging.cdl
+    }
+
+    cdl_component CYGPKG_HAL_ROM_MONITOR {
+        display       "ROM monitor support"
+        flavor        none
+        no_define
+        description   "
+            Support for ROM monitors can be built in to your application. 
+            It may also be relevant to build your application as a ROM monitor
+            itself. Such options are contained here if relevant for your chosen
+            platform. The options and ROM monitors available to choose are
+            platform-dependent."
+
+
+        cdl_option CYGBLD_BUILD_COMMON_GDB_STUBS {
+            display "Build common GDB stub ROM image"
+            default_value 0
+            parent  CYGBLD_GLOBAL_OPTIONS
+            requires CYGDBG_HAL_DEBUG_GDB_INCLUDE_STUBS
+            no_define
+            description "
+                Unless a target board has specific requirements to the
+                stub implementation, it can use a simple common stub.
+                This option, which gets enabled by platform HALs as
+                appropriate, controls the building of the common stub."
+                         
+            make -priority 315 {
+                <PREFIX>/bin/gdb_module.img : <PACKAGE>/src/stubrom/stubrom.c
+                @sh -c "mkdir -p src/stubrom $(dir $@)"
+                $(CC) -c $(INCLUDE_PATH) -Wp,-MD,deps.tmp -I$(dir $<) $(CFLAGS) -o src/stubrom/gdb_module.o $<
+                @echo $@ ": \\" > $(notdir $@).deps
+                @echo $(wildcard $(PREFIX)/lib/*) " \\" >> $(notdir $@).deps
+                @tail +2 deps.tmp >> $(notdir $@).deps
+                @echo >> $(notdir $@).deps
+                @rm deps.tmp
+                $(CC) $(LDFLAGS) -L$(PREFIX)/lib -Ttarget.ld -o $@ src/stubrom/gdb_module.o
+            }
+        }
+
+
+    }
+
+    define_proc {
+        puts $::cdl_header "/***** proc output start *****/"
+        puts $::cdl_header "#include <pkgconf/system.h>"
+
+        puts $::cdl_header "#include CYGBLD_HAL_TARGET_H"
+        puts $::cdl_header "#include CYGBLD_HAL_PLATFORM_H"
+
+        puts $::cdl_header "/****** proc output end ******/"
+
+    }
+
+    cdl_option CYGPKG_HAL_TESTS {
+        display "Common HAL tests"
+        flavor  data
+        no_define
+        calculated { "tests/cache tests/context tests/intr" }
+        description   "
+            This option specifies the set of tests for the common HAL."
+    }
+}