Added build scripts and fixed few issues

!LibDTB/!Boot,feb

@@ -0,0 +1,6 @@
+| Lib DTB for RISC OS
+| by Paolo Fabio Zaino 2023
+
+IconSprites <Obey$Dir>.!Sprites
+If "<LibDTB$Dir>" = "" Then Set LibDTB$Dir <Obey$Dir>
+Set LibDTB$Path <LibDTB$Dir>.

!LibDTB/!Run,feb

@@ -0,0 +1,6 @@
+| Lib DTB for RISC OS
+| by Paolo Fabio Zaino 2023
+
+IconSprites <Obey$Dir>.!Sprites
+Set LibDTB$Dir <Obey$Dir>
+Set LibDTB$Path <LibDTB$Dir>.

.gitignore

@@ -5,4 +5,15 @@
 *.orig
 .DS_Store
 ux-src/
-
+\!LibDTB/a/**
+\!LibDTB/o/**
+\!LibDTB/so/**
+\!LibDTB/h/**
+src/**/o/**
+src/**/so/**
+src/**/a/**
+src/**/oz/**
+tests/**/o/**
+tests/**/so/**
+tests/**/a/**
+tests/**/oz/**

MkDDE,fd7

@@ -0,0 +1,51 @@
+| Generic Library builder for DDE on RISC OS
+| by Paolo Fabio Zaino
+
+echo ++++++++++++++++++++++++
+echo ++ Building using DDE ++
+echo ++++++++++++++++++++++++
+
+Set Build$Root <Obey$Dir>
+
+WimpSlot -min 6144K
+
+echo ---------------------
+echo Building the Library:
+echo ---------------------
+
+Dir <Build$Root>.src
+amu all THROWBACK=-throwback -f MakeFileDDE
+
+up
+
+IfThere @.!LibDTB   Then Else CDir @.!LibDTB
+IfThere @.!LibDTB.o Then Else CDir @.!LibDTB.o
+IfThere @.!LibDTB.a Then Else CDir @.!LibDTB.a
+IfThere @.!LibDTB.h Then Else CDir @.!LibDTB.h
+
+IFthere @.src.dtblib.o.dtblib   Then copy @.src.dtblib.o.dtblib @.!LibDTB.o.dtblib ~C N
+IFthere @.src.dtblib.o.dtblibzm Then copy @.src.dtblib.o.dtblibzm @.!LibDTB.o.dtblibzm ~C N
+IFthere @.src.dtblib.h.dtb      Then copy @.src.dtblib.h.dtb @.!LibDTB.h.dtblib ~C N
+
+echo
+echo ---------------------
+echo
+
+echo ---------------------
+echo Building Tests:
+echo ---------------------
+
+Dir <Build$Root>.tests
+
+Set CanRunTests$Flag 0
+IfThere @.^.!LibDTB.o.dtblib Then Set CanRunTests$Flag 1
+If "<CanRunTests$Flag>" = "1" Then IfThere @.MakefileDDE Then Set CanRunTests$Flag 2
+If "<CanRunTests$Flag>" = "2" Then make all THROWBACK=-throwback -f MakeFileDDE
+
+Unset CanRunTests$Flag
+
+echo
+echo ---------------------
+echo
+
+Dir <Build$Root>

MkDDEClean,fd7

@@ -0,0 +1,6 @@
+Dir <Obey$Dir>.src
+WimpSlot -min 2048k
+amu clean -f MakeFileDDE
+stripdepnd MakeFileDDE
+
+

MkDDEExp,fd7

@@ -0,0 +1,4 @@
+Dir <Obey$Dir>
+WimpSlot -min 2048K
+amu export_hdrs LIBDIR=Export -f MakeFileDDE
+amu export_libs LIBDIR=Export THROWBACK=-throwback -f MakeFileDDE

MkGCC,fd7

@@ -0,0 +1,37 @@
+| Generic Library builder for GCC on RISC OS
+| by Paolo Fabio Zaino
+
+echo ++++++++++++++++++++++++
+echo ++ Building using GCC ++
+echo ++++++++++++++++++++++++
+
+Set Build$Root <Obey$Dir>
+
+WimpSlot -min 16384K
+
+echo ---------------------
+echo Building the Library:
+echo ---------------------
+
+Dir <Build$Root>.src
+make all THROWBACK=-throwback OS=RISC_OS -f MakeFileGCC
+
+|IFthere @.o.ezinilib Then copy @.o.libezini @.^.!LibEzINI.a.libezini ~C N
+|IFthere @.h.ezini Then copy @.h.ezini @.^.!LibEzINI.h.ezini ~C N
+
+echo
+echo ---------------------
+echo
+
+echo ---------------------
+echo Building Tests:
+echo ---------------------
+
+Dir <Build$Root>.tests
+make all THROWBACK=-throwback -f MakeFileGCC
+
+echo
+echo ---------------------
+echo
+
+Dir <Build$Root>

MkGCCClean,fd7

@@ -0,0 +1,6 @@
+Dir <Obey$Dir>.src
+WimpSlot -min 16384K
+make clean -f MakeFileGCC
+
+
+

src/MakefileDDE

@@ -0,0 +1,17 @@
+# Master Makefile
+
+OBJS=dtblib
+
+.PHONY: $(OBJS)
+$(OBJS):
+	dir @.$@
+	amu all_libs THROWBACK=-throwback -f MakefileDDE
+	up
+
+.PHONY: all
+all: $(OBJS)
+
+.PHONY: clean
+clean:
+#	dir @.$<
+#	@.MkCleanDDE

src/MakefileGCC

@@ -0,0 +1,102 @@
+# Variables
+ifeq ($(OS),)
+  OS := RISC_OS
+endif
+
+# Set variables based on the detected OS
+ifeq ($(OS),Linux)
+  CD_CMD = cd
+  RM_CMD = rm -f
+  DIR_SYM =/
+  LOCAL_DIR=.
+  UP_DIR=..
+  EXT_SYM =.
+  MAKE_FLAGS = -j4
+else ifeq ($(OS),Darwin) # macOS
+  CD_CMD = cd
+  RM_CMD = rm -f
+  DIR_SYM =/
+  LOCAL_DIR=.
+  UP_DIR=..
+  EXT_SYM =.
+  MAKE_FLAGS = -j4
+else ifeq ($(OS),Windows)
+  CD_CMD = cd
+  RM_CMD = del
+  DIR_SYM =/
+  LOCAL_DIR=.
+  UP_DIR=..
+  EXT_SYM =.
+  MAKE_FLAGS = -j4
+else ifeq ($(OS),RISC_OS)
+  CD_CMD = cdir
+  RM_CMD = remove
+  DIR_SYM =.
+  LOCAL_DIR=@
+  UP_DIR=^
+  EXT_SYM =/
+  MAKE_FLAGS = -mthrowback
+else
+  $(error Unknown operating system: $(UNAME))
+endif
+
+CC = gcc
+MAKE = make
+
+LIB_DIR = libs
+# If needed add more libraries in the following format:
+# LIBS   = $(LIB_DIR)$(DIR_SYM)lib1 $(LIB_DIR)$(DIR_SYM)lib2 $(LIB_DIR)$(DIR_SYM)lib3
+LIBS     =
+LIB_NAME = DTBLib
+MAIN_DIR = DTBLib
+MAIN_LIB = $(LIB_NAME)
+ifeq ($(OS),RISC_OS)
+  MAIN_SRC = c.$(LIB_NAME)
+  MAIN_OBJ = o.$(LIB_NAME)
+else
+  MAIN_SRC = $(LIB_NAME).c
+  MAIN_OBJ = $(LIB_NAME).o
+endif
+
+# Setup CFLAGS
+CFLAGS  = -Wall -Wextra -pedantic
+CFLAGS += -ansi -std=c99 -Wno-gnu-label-as-value
+# reduce code size:
+#CFLAGS += -Os -ffunction-sections -fdata-sections -flto
+# compile for maximum speed
+CFLAGS += -Ofast -fno-stack-protector -fno-strict-aliasing -fomit-frame-pointer -flto
+#LDFLAGS += -Wl,--gc-sections
+LDFLAGS += -flto
+
+# Add -I flags for each library to CFLAGS
+CFLAGS += -I$(LIB_DIR) $(foreach dir,$(LIBS),-I$(dir) -I$(dir)$(DIR_SYM)src)
+
+# Targets
+all: $(MAIN_LIB)
+
+# Building the main application
+$(MAIN_LIB): libs
+	$(MAKE) -C $(LOCAL_DIR)$(DIR_SYM)$(MAIN_DIR) all OS=$(OS) -f MakefileGCC
+
+# Building the libraries by invoking their own Makefiles
+libs: $(LIBS)
+
+$(LIBS):
+	$(MAKE) -C $(LOCAL_DIR)$(DIR_SYM)$@$(DIR_SYM)src all OS=$(OS) -f MakefileGCC
+
+# To initialize and update git submodules
+init-submodules:
+	git submodule init
+	git submodule update
+
+# Clean up
+clean:
+	$(RM_CMD) $(MAIN_LIB)
+	for dir in $(LIBS); do \
+		($(CD_CMD) $$dir && $(MAKE) clean OS=$(OS) -f MakefileGCC); \
+	done
+
+# To force rebuild everything
+rebuild: clean all
+
+.PHONY: all clean rebuild init-submodules libs $(LIBS)

src/dtblib/MakefileDDE

@@ -0,0 +1,27 @@
+# Makefile for dtblib
+
+COMPONENT = dtblib
+OBJS      = krnllib strlib dtb
+
+include CLibrary
+LIBS    =
+#LDFLAGS = -bin
+
+# Dynamic dependencies:
+
+oz.dtb:	c.dtb
+oz.dtb:	h.krnllib
+oz.dtb:	h.strlib
+oz.dtb:	h.krnllib
+oz.dtb:	h.dtb
+o.krnllib:	c.krnllib
+o.krnllib:	h.krnllib
+o.strlib:	c.strlib
+o.strlib:	h.krnllib
+o.strlib:	h.strlib
+o.strlib:	h.krnllib
+o.dtb:	c.dtb
+o.dtb:	h.krnllib
+o.dtb:	h.strlib
+o.dtb:	h.krnllib
+o.dtb:	h.dtb

src/dtblib/c/dtblib → src/dtblib/c/dtb

@@ -54,7 +54,7 @@
 
 #include "krnllib.h"
 #include "strlib.h"
-#include "dtblib.h"
+#include "dtb.h"
 
 static void free_tree(struct dt_node* node) {
     if (node == NULL) return;

src/dtblib/c/strlib

@@ -53,7 +53,7 @@
  */
 
 #include "krnllib.h"
-// #include "strlib.h"
+#include "strlib.h"
 
 size_t str_len(const char* str) {
     size_t length = 0;

src/dtblib/h/dtb

@@ -0,0 +1,90 @@
+/*
+ * DTBLib: Device Tree Blob Parsing Library
+ *
+ * Copyright (c) 2023 by Paolo Fabio Zaino, all rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+ * implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * Limitations:
+ * - Redistribution and use of this software in source and binary
+ *   forms, with or without modification, are permitted provided that
+ *   the following conditions are met:
+ *   - Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions, and the following disclaimer.
+ *   - Redistributions in binary form must reproduce the above
+ *     copyright notice, this list of conditions, and the following
+ *     disclaimer in the documentation and/or other materials
+ *     provided with the distribution.
+ *   - Neither the name of Paolo Fabio Zaino, nor the names
+ *     of its contributors may be used to endorse or promote products
+ *     derived from this software without specific prior written
+ *     permission.
+ *   - Users of this software are prohibited from misrepresenting
+ *     themselves as the authors or original contributors of this
+ *     software.
+ *
+ * This software is provided by the copyright holders and contributors
+ * "as is" and any express or implied warranties, including, but not
+ * limited to, the implied warranties of merchantability and fitness
+ * for a particular purpose are disclaimed. In no event shall the
+ * copyright owner or contributors be liable for any direct,
+ * indirect, incidental, special, exemplary, or consequential damages
+ * (including, but not limited to, procurement of substitute goods or
+ * services; loss of use, data, or profits; or business interruption)
+ * however caused and on any theory of liability, whether in
+ * contract, strict liability, or tort (including negligence or
+ * otherwise) arising in any way out of the use of this software,
+ * even if advised of the possibility of such damage.
+ *
+ * For more details and the full text of the license, refer to the
+ * Apache 2.0 License file included with this project or available at
+ * the above URL.
+ */
+
+#ifndef DTBLIB_H_
+#define DTBLIB_H_
+
+#define FDT_MAGIC 0xd00dfeed
+#define FDT_BEGIN_NODE 1
+#define FDT_END_NODE 2
+#define FDT_PROP 3
+#define FDT_NOP 4
+#define FDT_END 9
+
+#define MIN_DTB_VERSION 1
+#define MAX_DTB_VERSION 17
+
+struct dt_node {
+    char* name;                   // Name of the node
+    struct dt_property* props;    // Pointer to the first property of the node
+    int prop_count;               // Count of properties in the node
+    struct dt_node* parent;       // Pointer to the parent node (NULL for root)
+    struct dt_node* children;     // Pointer to the first child node
+    struct dt_node* next_sibling; // Pointer to the next sibling node
+};
+
+struct dt_property {
+    char* name;                   // Name of the property
+    void* value;                  // Pointer to the value of the property
+    unsigned int size;            // Size of the value in bytes
+    struct dt_property* next;     // Pointer to the next property
+};
+
+struct dt_node* parse_dtb(
+    const char* dtb_data,
+    const char* strings_block,
+    int offset
+);
+
+#endif /* DTBLIB_H_ */