# # Copyright (C) 2006-2010 OpenWrt.org # # This is free software, licensed under the GNU General Public License v2. # See /LICENSE for more information. # HOST_BUILD_DIR ?= $(BUILD_DIR_HOST)/$(PKG_NAME)$(if $(PKG_VERSION),-$(PKG_VERSION)) HOST_INSTALL_DIR ?= $(HOST_BUILD_DIR)/host-install HOST_BUILD_PARALLEL ?= ifneq ($(CONFIG_PKG_BUILD_USE_JOBSERVER),) HOST_MAKE_J:=$(if $(MAKE_JOBSERVER),$(MAKE_JOBSERVER) -j) else HOST_MAKE_J:=-j$(CONFIG_PKG_BUILD_JOBS) endif ifeq ($(strip $(HOST_BUILD_PARALLEL)),0) HOST_JOBS?=-j1 else HOST_JOBS?=$(if $(HOST_BUILD_PARALLEL)$(CONFIG_PKG_DEFAULT_PARALLEL),\ $(if $(CONFIG_PKG_BUILD_PARALLEL),$(HOST_MAKE_J),-j1),-j1) endif include $(INCLUDE_DIR)/host.mk include $(INCLUDE_DIR)/unpack.mk include $(INCLUDE_DIR)/depends.mk BUILD_TYPES += host HOST_STAMP_PREPARED=$(HOST_BUILD_DIR)/.prepared$(if $(HOST_QUILT)$(DUMP),,$(shell $(call find_md5,${CURDIR} $(PKG_FILE_DEPENDS),))) HOST_STAMP_CONFIGURED:=$(HOST_BUILD_DIR)/.configured HOST_STAMP_BUILT:=$(HOST_BUILD_DIR)/.built HOST_STAMP_INSTALLED:=$(STAGING_DIR_HOST)/stamp/.$(PKG_NAME)_installed override MAKEFLAGS= include $(INCLUDE_DIR)/download.mk include $(INCLUDE_DIR)/quilt.mk include $(INCLUDE_DIR)/autotools.mk Host/Patch:=$(Host/Patch/Default) ifneq ($(strip $(HOST_UNPACK)),) define Host/Prepare/Default $(HOST_UNPACK) $(Host/Patch) endef endif define Host/Prepare $(call Host/Prepare/Default) endef HOST_CONFIGURE_VARS = \ CC="$(HOSTCC)" \ CFLAGS="$(HOST_CFLAGS)" \ CPPFLAGS="$(HOST_CPPFLAGS)" \ LDFLAGS="$(HOST_LDFLAGS)" \ SHELL="$(BASH)" HOST_CONFIGURE_ARGS = \ --target=$(GNU_HOST_NAME) \ --host=$(GNU_HOST_NAME) \ --build=$(GNU_HOST_NAME) \ --program-prefix="" \ --program-suffix="" \ --prefix=$(STAGING_DIR_HOST) \ --exec-prefix=$(STAGING_DIR_HOST) \ --sysconfdir=$(STAGING_DIR_HOST)/etc \ --localstatedir=$(STAGING_DIR_HOST)/var \ --sbindir=$(STAGING_DIR_HOST)/bin HOST_MAKE_FLAGS = HOST_CONFIGURE_CMD = $(BASH) ./configure ifneq ($(HOST_OS),Darwin) ifeq ($(CONFIG_BUILD_STATIC_TOOLS),y) HOST_STATIC_LINKING = -static endif endif define Host/Configure/Default $(if $(HOST_CONFIGURE_PARALLEL),+)(cd $(HOST_BUILD_DIR)/$(3); \ if [ -x configure ]; then \ $(CP) $(SCRIPT_DIR)/config.{guess,sub} $(HOST_BUILD_DIR)/$(3)/ && \ $(2) \ $(HOST_CONFIGURE_CMD) \ $(HOST_CONFIGURE_VARS) \ $(HOST_CONFIGURE_ARGS) \ $(1); \ fi \ ) endef define Host/Configure $(call Host/Configure/Default) endef define Host/Compile/Default +$(MAKE) $(HOST_JOBS) -C $(HOST_BUILD_DIR) \ $(HOST_MAKE_FLAGS) \ $(1) endef define Host/Compile $(call Host/Compile/Default) endef define Host/Install/Default $(_SINGLE)$(MAKE) -C $(HOST_BUILD_DIR) install endef define Host/Install $(call Host/Install/Default) endef ifneq ($(if $(HOST_QUILT),,$(CONFIG_AUTOREBUILD)),) define HostHost/Autoclean $(call rdep,${CURDIR} $(PKG_FILE_DEPENDS),$(HOST_STAMP_PREPARED)) $(if $(if $(Host/Compile),$(filter prepare,$(MAKECMDGOALS)),1),,$(call rdep,$(HOST_BUILD_DIR),$(HOST_STAMP_BUILT))) endef endif define Download/default FILE:=$(PKG_SOURCE) URL:=$(PKG_SOURCE_URL) PROTO:=$(PKG_SOURCE_PROTO) SUBDIR:=$(PKG_SOURCE_SUBDIR) VERSION:=$(PKG_SOURCE_VERSION) MD5SUM:=$(PKG_MD5SUM) MIRROR_MD5SUM:=$(PKG_MIRROR_MD5SUM) endef define Host/Exports/Default $(1) : export ACLOCAL_INCLUDE=$$(foreach p,$$(wildcard $$(STAGING_DIR_HOST)/share/aclocal $$(STAGING_DIR_HOST)/share/aclocal-*),-I $$(p)) $(1) : export STAGING_PREFIX=$$(STAGING_DIR_HOST) $(1) : export PKG_CONFIG_PATH=$$(STAGING_DIR_HOST)/lib/pkgconfig $(1) : export PKG_CONFIG_LIBDIR=$$(STAGING_DIR_HOST)/lib/pkgconfig endef Host/Exports=$(Host/Exports/Default) .NOTPARALLEL: ifndef DUMP define HostBuild $(if $(HOST_QUILT),$(Host/Quilt)) $(if $(if $(PKG_HOST_ONLY),,$(STAMP_PREPARED)),,$(if $(strip $(PKG_SOURCE_URL)),$(call Download,default))) $(if $(DUMP),,$(call HostHost/Autoclean)) $(HOST_STAMP_PREPARED): @-rm -rf $(HOST_BUILD_DIR) @mkdir -p $(HOST_BUILD_DIR) $(foreach hook,$(Hooks/HostPrepare/Pre),$(call $(hook))$(sep)) $(call Host/Prepare) $(foreach hook,$(Hooks/HostPrepare/Post),$(call $(hook))$(sep)) touch $$@ $(call Host/Exports,$(HOST_STAMP_CONFIGURED)) $(HOST_STAMP_CONFIGURED): $(HOST_STAMP_PREPARED) $(foreach hook,$(Hooks/HostConfigure/Pre),$(call $(hook))$(sep)) $(call Host/Configure) $(foreach hook,$(Hooks/HostConfigure/Post),$(call $(hook))$(sep)) touch $$@ $(call Host/Exports,$(HOST_STAMP_BUILT)) $(HOST_STAMP_BUILT): $(HOST_STAMP_CONFIGURED) $(foreach hook,$(Hooks/HostCompile/Pre),$(call $(hook))$(sep)) $(call Host/Compile) $(foreach hook,$(Hooks/HostCompile/Post),$(call $(hook))$(sep)) touch $$@ $(HOST_STAMP_INSTALLED): $(HOST_STAMP_BUILT) $(if $(FORCE_HOST_INSTALL),FORCE) $(call Host/Install) $(foreach hook,$(Hooks/HostInstall/Post),$(call $(hook))$(sep)) mkdir -p $$(shell dirname $$@) touch $$@ ifndef STAMP_BUILT prepare: host-prepare compile: host-compile install: host-install clean: host-clean update: host-update refresh: host-refresh endif host-prepare: $(HOST_STAMP_PREPARED) host-configure: $(HOST_STAMP_CONFIGURED) host-compile: $(HOST_STAMP_BUILT) $(if $(STAMP_BUILT),$(HOST_STAMP_INSTALLED)) host-install: $(HOST_STAMP_INSTALLED) host-clean: FORCE $(call Host/Clean) $(call Host/Uninstall) rm -rf $(HOST_BUILD_DIR) $(HOST_STAMP_INSTALLED) $(HOST_STAMP_BUILT) endef download: prepare: compile: install: clean: endif /a> <a id='n45' href='#n45'>45</a> <a id='n46' href='#n46'>46</a> <a id='n47' href='#n47'>47</a> <a id='n48' href='#n48'>48</a> <a id='n49' href='#n49'>49</a> <a id='n50' href='#n50'>50</a> <a id='n51' href='#n51'>51</a> <a id='n52' href='#n52'>52</a> <a id='n53' href='#n53'>53</a> <a id='n54' href='#n54'>54</a> <a id='n55' href='#n55'>55</a> <a id='n56' href='#n56'>56</a> <a id='n57' href='#n57'>57</a> <a id='n58' href='#n58'>58</a> <a id='n59' href='#n59'>59</a> <a id='n60' href='#n60'>60</a> <a id='n61' href='#n61'>61</a> <a id='n62' href='#n62'>62</a> <a id='n63' href='#n63'>63</a> <a id='n64' href='#n64'>64</a> <a id='n65' href='#n65'>65</a> <a id='n66' 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color: #000000; background-color: #ffffc0; padding: 0 5px 0 5px; } .highlight .hll { background-color: #ffffcc } .highlight { background: #ffffff; } .highlight .c { color: #888888 } /* Comment */ .highlight .err { color: #a61717; background-color: #e3d2d2 } /* Error */ .highlight .k { color: #008800; font-weight: bold } /* Keyword */ .highlight .ch { color: #888888 } /* Comment.Hashbang */ .highlight .cm { color: #888888 } /* Comment.Multiline */ .highlight .cp { color: #cc0000; font-weight: bold } /* Comment.Preproc */ .highlight .cpf { color: #888888 } /* Comment.PreprocFile */ .highlight .c1 { color: #888888 } /* Comment.Single */ .highlight .cs { color: #cc0000; font-weight: bold; background-color: #fff0f0 } /* Comment.Special */ .highlight .gd { color: #000000; background-color: #ffdddd } /* Generic.Deleted */ .highlight .ge { font-style: italic } /* Generic.Emph */ .highlight .gr { color: #aa0000 } /* Generic.Error */ .highlight .gh { color: #333333 } /* Generic.Heading */ .highlight .gi { color: #000000; background-color: #ddffdd } /* Generic.Inserted */ .highlight .go { color: #888888 } /* Generic.Output */ .highlight .gp { color: #555555 } /* Generic.Prompt */ .highlight .gs { font-weight: bold } /* Generic.Strong */ .highlight .gu { color: #666666 } /* Generic.Subheading */ .highlight .gt { color: #aa0000 } /* Generic.Traceback */ .highlight .kc { color: #008800; font-weight: bold } /* Keyword.Constant */ .highlight .kd { color: #008800; font-weight: bold } /* Keyword.Declaration */ .highlight .kn { color: #008800; font-weight: bold } /* Keyword.Namespace */ .highlight .kp { color: #008800 } /* Keyword.Pseudo */ .highlight .kr { color: #008800; font-weight: bold } /* Keyword.Reserved */ .highlight .kt { color: #888888; font-weight: bold } /* Keyword.Type */ .highlight .m { color: #0000DD; font-weight: bold } /* Literal.Number */ .highlight .s { color: #dd2200; background-color: #fff0f0 } /* Literal.String */ .highlight .na { color: #336699 } /* Name.Attribute */ .highlight .nb { color: #003388 } /* Name.Builtin */ .highlight .nc { color: #bb0066; font-weight: bold } /* Name.Class */ .highlight .no { color: #003366; font-weight: bold } /* Name.Constant */ .highlight .nd { color: #555555 } /* Name.Decorator */ .highlight .ne { color: #bb0066; font-weight: bold } /* Name.Exception */ .highlight .nf { color: #0066bb; font-weight: bold } /* Name.Function */ .highlight .nl { color: #336699; font-style: italic } /* Name.Label */ .highlight .nn { color: #bb0066; font-weight: bold } /* Name.Namespace */ .highlight .py { color: #336699; font-weight: bold } /* Name.Property */ .highlight .nt { color: #bb0066; font-weight: bold } /* Name.Tag */ .highlight .nv { color: #336699 } /* Name.Variable */ .highlight .ow { color: #008800 } /* Operator.Word */ .highlight .w { color: #bbbbbb } /* Text.Whitespace */ .highlight .mb { color: #0000DD; font-weight: bold } /* Literal.Number.Bin */ .highlight .mf { color: #0000DD; font-weight: bold } /* Literal.Number.Float */ .highlight .mh { color: #0000DD; font-weight: bold } /* Literal.Number.Hex */ .highlight .mi { color: #0000DD; font-weight: bold } /* Literal.Number.Integer */ .highlight .mo { color: #0000DD; font-weight: bold } /* Literal.Number.Oct */ .highlight .sa { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Affix */ .highlight .sb { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Backtick */ .highlight .sc { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Char */ .highlight .dl { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Delimiter */ .highlight .sd { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Doc */ .highlight .s2 { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Double */ .highlight .se { color: #0044dd; background-color: #fff0f0 } /* Literal.String.Escape */ .highlight .sh { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Heredoc */ .highlight .si { color: #3333bb; background-color: #fff0f0 } /* Literal.String.Interpol */ .highlight .sx { color: #22bb22; background-color: #f0fff0 } /* Literal.String.Other */ .highlight .sr { color: #008800; background-color: #fff0ff } /* Literal.String.Regex */ .highlight .s1 { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Single */ .highlight .ss { color: #aa6600; background-color: #fff0f0 } /* Literal.String.Symbol */ .highlight .bp { color: #003388 } /* Name.Builtin.Pseudo */ .highlight .fm { color: #0066bb; font-weight: bold } /* Name.Function.Magic */ .highlight .vc { color: #336699 } /* Name.Variable.Class */ .highlight .vg { color: #dd7700 } /* Name.Variable.Global */ .highlight .vi { color: #3333bb } /* Name.Variable.Instance */ .highlight .vm { color: #336699 } /* Name.Variable.Magic */ .highlight .il { color: #0000DD; font-weight: bold } /* Literal.Number.Integer.Long */</style><div class="highlight"><pre><span></span><span class="cp">#include</span> <span class="cpf"><stdlib.h></span><span class="cp"></span> <span class="cp">#include</span> <span class="cpf"><stdio.h></span><span class="cp"></span> <span class="cp">#include</span> <span class="cpf"><string.h></span><span class="cp"></span> <span class="cp">#define IMG_SIZE 0x3e0000</span> <span class="cp">#define KERNEL_START 0x020000</span> <span class="cp">#define KERNEL_SIZE 0x0b0000</span> <span class="cp">#define ROOTFS_START 0x0d0000</span> <span class="cp">#define ROOTFS_SIZE 0x30ffb2</span> <span class="kt">char</span><span class="o">*</span> <span class="n">app_name</span><span class="p">;</span> <span class="kt">void</span> <span class="nf">print_usage</span><span class="p">(</span><span class="kt">void</span><span class="p">)</span> <span class="p">{</span> <span class="n">fprintf</span><span class="p">(</span><span class="n">stderr</span><span class="p">,</span> <span class="s">"usage: dgfirmware [<opts>] <img></span><span class="se">\n</span><span class="s">"</span><span class="p">);</span> <span class="n">fprintf</span><span class="p">(</span><span class="n">stderr</span><span class="p">,</span> <span class="s">" <img> firmware image filename</span><span class="se">\n</span><span class="s">"</span><span class="p">);</span> <span class="n">fprintf</span><span class="p">(</span><span class="n">stderr</span><span class="p">,</span> <span class="s">" <opts> -h print this message</span><span class="se">\n</span><span class="s">"</span><span class="p">);</span> <span class="n">fprintf</span><span class="p">(</span><span class="n">stderr</span><span class="p">,</span> <span class="s">" -f fix the checksum</span><span class="se">\n</span><span class="s">"</span><span class="p">);</span> <span class="n">fprintf</span><span class="p">(</span><span class="n">stderr</span><span class="p">,</span> <span class="s">" -x <file> extract the rootfs file to <file></span><span class="se">\n</span><span class="s">"</span><span class="p">);</span> <span class="n">fprintf</span><span class="p">(</span><span class="n">stderr</span><span class="p">,</span> <span class="s">" -xk <file> extract the kernel to <file></span><span class="se">\n</span><span class="s">"</span><span class="p">);</span> <span class="n">fprintf</span><span class="p">(</span><span class="n">stderr</span><span class="p">,</span> <span class="s">" -m <file> merge in rootfs fil\e from <file></span><span class="se">\n</span><span class="s">"</span><span class="p">);</span> <span class="n">fprintf</span><span class="p">(</span><span class="n">stderr</span><span class="p">,</span> <span class="s">" -k <file> merge in kernel from <file></span><span class="se">\n</span><span class="s">"</span><span class="p">);</span> <span class="n">fprintf</span><span class="p">(</span><span class="n">stderr</span><span class="p">,</span> <span class="s">" -w <file> write back the modified firmware</span><span class="se">\n</span><span class="s">"</span><span class="p">);</span> <span class="p">}</span> <span class="kt">unsigned</span> <span class="kt">char</span><span class="o">*</span> <span class="n">read_img</span><span class="p">(</span><span class="k">const</span> <span class="kt">char</span> <span class="o">*</span><span class="n">fname</span><span class="p">)</span> <span class="p">{</span> <span class="kt">FILE</span> <span class="o">*</span><span class="n">fp</span><span class="p">;</span> <span class="kt">int</span> <span class="n">size</span><span class="p">;</span> <span class="kt">unsigned</span> <span class="kt">char</span> <span class="o">*</span><span class="n">img</span><span class="p">;</span> <span class="n">fp</span> <span class="o">=</span> <span class="n">fopen</span><span class="p">(</span><span class="n">fname</span><span class="p">,</span> <span class="s">"rb"</span><span class="p">);</span> <span class="k">if</span> <span class="p">(</span><span class="n">fp</span> <span class="o">==</span> <span class="nb">NULL</span><span class="p">)</span> <span class="p">{</span> <span class="n">perror</span><span class="p">(</span><span class="n">app_name</span><span class="p">);</span> <span class="n">exit</span><span class="p">(</span><span class="mi">-1</span><span class="p">);</span> <span class="p">}</span> <span class="n">fseek</span><span class="p">(</span><span class="n">fp</span><span class="p">,</span> <span class="mi">0</span><span class="p">,</span> <span class="n">SEEK_END</span><span class="p">);</span> <span class="n">size</span> <span class="o">=</span> <span class="n">ftell</span><span class="p">(</span><span class="n">fp</span><span class="p">);</span> <span class="k">if</span> <span class="p">(</span><span class="n">size</span> <span class="o">!=</span> <span class="n">IMG_SIZE</span><span class="p">)</span> <span class="p">{</span> <span class="n">fprintf</span><span class="p">(</span><span class="n">stderr</span><span class="p">,</span> <span class="s">"%s: image file has wrong size</span><span class="se">\n</span><span class="s">"</span><span class="p">,</span> <span class="n">app_name</span><span class="p">);</span> <span class="n">fclose</span><span class="p">(</span><span class="n">fp</span><span class="p">);</span> <span class="n">exit</span><span class="p">(</span><span class="mi">-1</span><span class="p">);</span> <span class="p">}</span> <span class="n">rewind</span><span class="p">(</span><span class="n">fp</span><span class="p">);</span> <span class="n">img</span> <span class="o">=</span> <span class="n">malloc</span><span class="p">(</span><span class="n">IMG_SIZE</span><span class="p">);</span> <span class="k">if</span> <span class="p">(</span><span class="n">img</span> <span class="o">==</span> <span class="nb">NULL</span><span class="p">)</span> <span class="p">{</span> <span class="n">perror</span><span class="p">(</span><span class="n">app_name</span><span class="p">);</span> <span class="n">fclose</span><span class="p">(</span><span class="n">fp</span><span class="p">);</span> <span class="n">exit</span><span class="p">(</span><span class="mi">-1</span><span class="p">);</span> <span class="p">}</span> <span class="k">if</span> <span class="p">(</span><span class="n">fread</span><span class="p">(</span><span class="n">img</span><span class="p">,</span> <span class="mi">1</span><span class="p">,</span> <span class="n">IMG_SIZE</span><span class="p">,</span> <span class="n">fp</span><span class="p">)</span> <span class="o">!=</span> <span class="n">IMG_SIZE</span><span class="p">)</span> <span class="p">{</span> <span class="n">fprintf</span><span class="p">(</span><span class="n">stderr</span><span class="p">,</span> <span class="s">"%s: can't read image file</span><span class="se">\n</span><span class="s">"</span><span class="p">,</span> <span class="n">app_name</span><span class="p">);</span> <span class="n">fclose</span><span class="p">(</span><span class="n">fp</span><span class="p">);</span> <span class="n">exit</span><span class="p">(</span><span class="mi">-1</span><span class="p">);</span> <span class="p">}</span> <span class="n">fclose</span><span class="p">(</span><span class="n">fp</span><span class="p">);</span> <span class="k">return</span> <span class="n">img</span><span class="p">;</span> <span class="p">}</span> <span class="kt">void</span> <span class="n">write_img</span><span class="p">(</span><span class="kt">unsigned</span> <span class="kt">char</span><span class="o">*</span> <span class="n">img</span><span class="p">,</span> <span class="k">const</span> <span class="kt">char</span> <span class="o">*</span><span class="n">fname</span><span class="p">)</span> <span class="p">{</span> <span class="kt">FILE</span> <span class="o">*</span><span class="n">fp</span><span class="p">;</span> <span class="n">fp</span> <span class="o">=</span> <span class="n">fopen</span><span class="p">(</span><span class="n">fname</span><span class="p">,</span> <span class="s">"wb"</span><span class="p">);</span> <span class="k">if</span> <span class="p">(</span><span class="n">fp</span> <span class="o">==</span> <span class="nb">NULL</span><span class="p">)</span> <span class="p">{</span> <span class="n">perror</span><span class="p">(</span><span class="n">app_name</span><span class="p">);</span> <span class="n">exit</span><span class="p">(</span><span class="mi">-1</span><span class="p">);</span> <span class="p">}</span> <span class="k">if</span> <span class="p">(</span><span class="n">fwrite</span><span class="p">(</span><span class="n">img</span><span class="p">,</span> <span class="mi">1</span><span class="p">,</span> <span class="n">IMG_SIZE</span><span class="p">,</span> <span class="n">fp</span><span class="p">)</span> <span class="o">!=</span> <span class="n">IMG_SIZE</span><span class="p">)</span> <span class="p">{</span> <span class="n">fprintf</span><span class="p">(</span><span class="n">stderr</span><span class="p">,</span> <span class="s">"%s: can't write image file</span><span class="se">\n</span><span class="s">"</span><span class="p">,</span> <span class="n">app_name</span><span class="p">);</span> <span class="n">fclose</span><span class="p">(</span><span class="n">fp</span><span class="p">);</span> <span class="n">exit</span><span class="p">(</span><span class="mi">-1</span><span class="p">);</span> <span class="p">}</span> <span class="p">}</span> <span class="kt">void</span> <span class="n">write_rootfs</span><span class="p">(</span><span class="kt">unsigned</span> <span class="kt">char</span><span class="o">*</span> <span class="n">img</span><span class="p">,</span> <span class="k">const</span> <span class="kt">char</span> <span class="o">*</span><span class="n">fname</span><span class="p">)</span> <span class="p">{</span> <span class="kt">FILE</span> <span class="o">*</span><span class="n">fp</span><span class="p">;</span> <span class="n">fp</span> <span class="o">=</span> <span class="n">fopen</span><span class="p">(</span><span class="n">fname</span><span class="p">,</span> <span class="s">"wb"</span><span class="p">);</span> <span class="k">if</span> <span class="p">(</span><span class="n">fp</span> <span class="o">==</span> <span class="nb">NULL</span><span class="p">)</span> <span class="p">{</span> <span class="n">perror</span><span class="p">(</span><span class="n">app_name</span><span class="p">);</span> <span class="n">exit</span><span class="p">(</span><span class="mi">-1</span><span class="p">);</span> <span class="p">}</span> <span class="k">if</span> <span class="p">(</span><span class="n">fwrite</span><span class="p">(</span><span class="n">img</span><span class="o">+</span><span class="n">ROOTFS_START</span><span class="p">,</span> <span class="mi">1</span><span class="p">,</span> <span class="n">ROOTFS_SIZE</span><span class="p">,</span> <span class="n">fp</span><span class="p">)</span> <span class="o">!=</span> <span class="n">ROOTFS_SIZE</span><span class="p">)</span> <span class="p">{</span> <span class="n">fprintf</span><span class="p">(</span><span class="n">stderr</span><span class="p">,</span> <span class="s">"%s: can't write image file</span><span class="se">\n</span><span class="s">"</span><span class="p">,</span> <span class="n">app_name</span><span class="p">);</span> <span class="n">fclose</span><span class="p">(</span><span class="n">fp</span><span class="p">);</span> <span class="n">exit</span><span class="p">(</span><span class="mi">-1</span><span class="p">);</span> <span class="p">}</span> <span class="p">}</span> <span class="kt">void</span> <span class="n">write_kernel</span><span class="p">(</span><span class="kt">unsigned</span> <span class="kt">char</span><span class="o">*</span> <span class="n">img</span><span class="p">,</span> <span class="k">const</span> <span class="kt">char</span> <span class="o">*</span><span class="n">fname</span><span class="p">)</span> <span class="p">{</span> <span class="kt">FILE</span> <span class="o">*</span><span class="n">fp</span><span class="p">;</span> <span class="n">fp</span> <span class="o">=</span> <span class="n">fopen</span><span class="p">(</span><span class="n">fname</span><span class="p">,</span> <span class="s">"wb"</span><span class="p">);</span> <span class="k">if</span> <span class="p">(</span><span class="n">fp</span> <span class="o">==</span> <span class="nb">NULL</span><span class="p">)</span> <span class="p">{</span> <span class="n">perror</span><span class="p">(</span><span class="n">app_name</span><span class="p">);</span> <span class="n">exit</span><span class="p">(</span><span class="mi">-1</span><span class="p">);</span> <span class="p">}</span> <span class="k">if</span> <span class="p">(</span><span class="n">fwrite</span><span class="p">(</span><span class="n">img</span><span class="o">+</span><span class="n">KERNEL_START</span><span class="p">,</span> <span class="mi">1</span><span class="p">,</span> <span class="n">KERNEL_SIZE</span><span class="p">,</span> <span class="n">fp</span><span class="p">)</span> <span class="o">!=</span> <span class="n">KERNEL_SIZE</span><span class="p">)</span> <span class="p">{</span> <span class="n">fprintf</span><span class="p">(</span><span class="n">stderr</span><span class="p">,</span> <span class="s">"%s: can't write kernel file</span><span class="se">\n</span><span class="s">"</span><span class="p">,</span> <span class="n">app_name</span><span class="p">);</span> <span class="n">fclose</span><span class="p">(</span><span class="n">fp</span><span class="p">);</span> <span class="n">exit</span><span class="p">(</span><span class="mi">-1</span><span class="p">);</span> <span class="p">}</span> <span class="p">}</span> <span class="kt">unsigned</span> <span class="kt">char</span><span class="o">*</span> <span class="n">read_rootfs</span><span class="p">(</span><span class="kt">unsigned</span> <span class="kt">char</span><span class="o">*</span> <span class="n">img</span><span class="p">,</span> <span class="k">const</span> <span class="kt">char</span> <span class="o">*</span><span class="n">fname</span><span class="p">)</span> <span class="p">{</span> <span class="kt">FILE</span> <span class="o">*</span><span class="n">fp</span><span class="p">;</span> <span class="kt">int</span> <span class="n">size</span><span class="p">;</span> <span class="kt">int</span> <span class="n">i</span><span class="p">;</span> <span class="k">for</span> <span class="p">(</span><span class="n">i</span><span class="o">=</span><span class="n">ROOTFS_START</span><span class="p">;</span> <span class="n">i</span><span class="o"><</span><span class="n">ROOTFS_START</span><span class="o">+</span><span class="n">ROOTFS_SIZE</span><span class="p">;</span> <span class="n">i</span><span class="o">++</span><span class="p">)</span> <span class="n">img</span><span class="p">[</span><span class="n">i</span><span class="p">]</span> <span class="o">=</span> <span class="mh">0xff</span><span class="p">;</span> <span class="n">fp</span> <span class="o">=</span> <span class="n">fopen</span><span class="p">(</span><span class="n">fname</span><span class="p">,</span> <span class="s">"rb"</span><span class="p">);</span> <span class="k">if</span> <span class="p">(</span><span class="n">fp</span> <span class="o">==</span> <span class="nb">NULL</span><span class="p">)</span> <span class="p">{</span> <span class="n">perror</span><span class="p">(</span><span class="n">app_name</span><span class="p">);</span> <span class="n">exit</span><span class="p">(</span><span class="mi">-1</span><span class="p">);</span> <span class="p">}</span> <span class="n">fseek</span><span class="p">(</span><span class="n">fp</span><span class="p">,</span> <span class="mi">0</span><span class="p">,</span> <span class="n">SEEK_END</span><span class="p">);</span> <span class="n">size</span> <span class="o">=</span> <span class="n">ftell</span><span class="p">(</span><span class="n">fp</span><span class="p">);</span> <span class="k">if</span> <span class="p">(</span><span class="n">size</span> <span class="o">></span> <span class="n">ROOTFS_SIZE</span><span class="p">)</span> <span class="p">{</span> <span class="n">fprintf</span><span class="p">(</span><span class="n">stderr</span><span class="p">,</span> <span class="s">"%s: rootfs image file is too big</span><span class="se">\n</span><span class="s">"</span><span class="p">,</span> <span class="n">app_name</span><span class="p">);</span> <span class="n">fclose</span><span class="p">(</span><span class="n">fp</span><span class="p">);</span> <span class="n">exit</span><span class="p">(</span><span class="mi">-1</span><span class="p">);</span> <span class="p">}</span> <span class="n">rewind</span><span class="p">(</span><span class="n">fp</span><span class="p">);</span> <span class="k">if</span> <span class="p">(</span><span class="n">fread</span><span class="p">(</span><span class="n">img</span><span class="o">+</span><span class="n">ROOTFS_START</span><span class="p">,</span> <span class="mi">1</span><span class="p">,</span> <span class="n">size</span><span class="p">,</span> <span class="n">fp</span><span class="p">)</span> <span class="o">!=</span> <span class="n">size</span><span class="p">)</span> <span class="p">{</span> <span class="n">fprintf</span><span class="p">(</span><span class="n">stderr</span><span class="p">,</span> <span class="s">"%s: can't read rootfs image file</span><span class="se">\n</span><span class="s">"</span><span class="p">,</span> <span class="n">app_name</span><span class="p">);</span> <span class="n">fclose</span><span class="p">(</span><span class="n">fp</span><span class="p">);</span> <span class="n">exit</span><span class="p">(</span><span class="mi">-1</span><span class="p">);</span> <span class="p">}</span> <span class="n">fclose</span><span class="p">(</span><span class="n">fp</span><span class="p">);</span> <span class="k">return</span> <span class="n">img</span><span class="p">;</span> <span class="p">}</span> <span class="kt">unsigned</span> <span class="kt">char</span><span class="o">*</span> <span class="n">read_kernel</span><span class="p">(</span><span class="kt">unsigned</span> <span class="kt">char</span><span class="o">*</span> <span class="n">img</span><span class="p">,</span> <span class="k">const</span> <span class="kt">char</span> <span class="o">*</span><span class="n">fname</span><span class="p">)</span> <span class="p">{</span> <span class="kt">FILE</span> <span class="o">*</span><span class="n">fp</span><span class="p">;</span> <span class="kt">int</span> <span class="n">size</span><span class="p">;</span> <span class="kt">int</span> <span class="n">i</span><span class="p">;</span> <span class="k">for</span> <span class="p">(</span><span class="n">i</span><span class="o">=</span><span class="n">KERNEL_START</span><span class="p">;</span> <span class="n">i</span><span class="o"><</span><span class="n">KERNEL_START</span><span class="o">+</span><span class="n">KERNEL_SIZE</span><span class="p">;</span> <span class="n">i</span><span class="o">++</span><span class="p">)</span> <span class="n">img</span><span class="p">[</span><span class="n">i</span><span class="p">]</span> <span class="o">=</span> <span class="mh">0xff</span><span class="p">;</span> <span class="n">fp</span> <span class="o">=</span> <span class="n">fopen</span><span class="p">(</span><span class="n">fname</span><span class="p">,</span> <span class="s">"rb"</span><span class="p">);</span> <span class="k">if</span> <span class="p">(</span><span class="n">fp</span> <span class="o">==</span> <span class="nb">NULL</span><span class="p">)</span> <span class="p">{</span> <span class="n">perror</span><span class="p">(</span><span class="n">app_name</span><span class="p">);</span> <span class="n">exit</span><span class="p">(</span><span class="mi">-1</span><span class="p">);</span> <span class="p">}</span> <span class="n">fseek</span><span class="p">(</span><span class="n">fp</span><span class="p">,</span> <span class="mi">0</span><span class="p">,</span> <span class="n">SEEK_END</span><span class="p">);</span> <span class="n">size</span> <span class="o">=</span> <span class="n">ftell</span><span class="p">(</span><span class="n">fp</span><span class="p">);</span> <span class="k">if</span> <span class="p">(</span><span class="n">size</span> <span class="o">></span> <span class="n">KERNEL_SIZE</span><span class="p">)</span> <span class="p">{</span> <span class="n">fprintf</span><span class="p">(</span><span class="n">stderr</span><span class="p">,</span> <span class="s">"%s: kernel binary file is too big</span><span class="se">\n</span><span class="s">"</span><span class="p">,</span> <span class="n">app_name</span><span class="p">);</span> <span class="n">fclose</span><span class="p">(</span><span class="n">fp</span><span class="p">);</span> <span class="n">exit</span><span class="p">(</span><span class="mi">-1</span><span class="p">);</span> <span class="p">}</span> <span class="n">rewind</span><span class="p">(</span><span class="n">fp</span><span class="p">);</span> <span class="k">if</span> <span class="p">(</span><span class="n">fread</span><span class="p">(</span><span class="n">img</span><span class="o">+</span><span class="n">KERNEL_START</span><span class="p">,</span> <span class="mi">1</span><span class="p">,</span> <span class="n">size</span><span class="p">,</span> <span class="n">fp</span><span class="p">)</span> <span class="o">!=</span> <span class="n">size</span><span class="p">)</span> <span class="p">{</span> <span class="n">fprintf</span><span class="p">(</span><span class="n">stderr</span><span class="p">,</span> <span class="s">"%s: can't read kernel file</span><span class="se">\n</span><span class="s">"</span><span class="p">,</span> <span class="n">app_name</span><span class="p">);</span> <span class="n">fclose</span><span class="p">(</span><span class="n">fp</span><span class="p">);</span> <span class="n">exit</span><span class="p">(</span><span class="mi">-1</span><span class="p">);</span> <span class="p">}</span> <span class="n">fclose</span><span class="p">(</span><span class="n">fp</span><span class="p">);</span> <span class="k">return</span> <span class="n">img</span><span class="p">;</span> <span class="p">}</span> <span class="kt">int</span> <span class="n">get_checksum</span><span class="p">(</span><span class="kt">unsigned</span> <span class="kt">char</span><span class="o">*</span> <span class="n">img</span><span class="p">)</span> <span class="p">{</span> <span class="kt">short</span> <span class="kt">unsigned</span> <span class="n">s</span><span class="p">;</span> <span class="n">s</span> <span class="o">=</span> <span class="n">img</span><span class="p">[</span><span class="mh">0x3dfffc</span><span class="p">]</span> <span class="o">+</span> <span class="p">(</span><span class="n">img</span><span class="p">[</span><span class="mh">0x3dfffd</span><span class="p">]</span><span class="o"><<</span><span class="mi">8</span><span class="p">);</span> <span class="k">return</span> <span class="n">s</span><span class="p">;</span> <span class="p">}</span> <span class="kt">void</span> <span class="n">set_checksum</span><span class="p">(</span><span class="kt">unsigned</span> <span class="kt">char</span><span class="o">*</span><span class="n">img</span><span class="p">,</span> <span class="kt">unsigned</span> <span class="kt">short</span> <span class="n">sum</span><span class="p">)</span> <span class="p">{</span> <span class="n">img</span><span class="p">[</span><span class="mh">0x3dfffc</span><span class="p">]</span> <span class="o">=</span> <span class="n">sum</span> <span class="o">&</span> <span class="mh">0xff</span><span class="p">;</span> <span class="n">img</span><span class="p">[</span><span class="mh">0x3dfffd</span><span class="p">]</span> <span class="o">=</span> <span class="p">(</span><span class="n">sum</span><span class="o">>></span><span class="mi">8</span><span class="p">)</span> <span class="o">&</span> <span class="mh">0xff</span><span class="p">;</span> <span class="p">}</span> <span class="kt">int</span> <span class="n">compute_checksum</span><span class="p">(</span><span class="kt">unsigned</span> <span class="kt">char</span><span class="o">*</span> <span class="n">img</span><span class="p">)</span> <span class="p">{</span> <span class="kt">int</span> <span class="n">i</span><span class="p">;</span> <span class="kt">short</span> <span class="n">s</span><span class="o">=</span><span class="mi">0</span><span class="p">;</span> <span class="k">for</span> <span class="p">(</span><span class="n">i</span><span class="o">=</span><span class="mi">0</span><span class="p">;</span> <span class="n">i</span><span class="o"><</span><span class="mh">0x3dfffc</span><span class="p">;</span> <span class="n">i</span><span class="o">++</span><span class="p">)</span> <span class="n">s</span> <span class="o">+=</span> <span class="n">img</span><span class="p">[</span><span class="n">i</span><span class="p">];</span> <span class="k">return</span> <span class="n">s</span><span class="p">;</span> <span class="p">}</span> <span class="kt">int</span> <span class="n">main</span><span class="p">(</span><span class="kt">int</span> <span class="n">argc</span><span class="p">,</span> <span class="kt">char</span><span class="o">*</span> <span class="n">argv</span><span class="p">[])</span> <span class="p">{</span> <span class="kt">char</span> <span class="o">*</span><span class="n">img_fname</span> <span class="o">=</span> <span class="nb">NULL</span><span class="p">;</span> <span class="kt">char</span> <span class="o">*</span><span class="n">rootfs_fname</span> <span class="o">=</span> <span class="nb">NULL</span><span class="p">;</span> <span class="kt">char</span> <span class="o">*</span><span class="n">kernel_fname</span> <span class="o">=</span> <span class="nb">NULL</span><span class="p">;</span> <span class="kt">char</span> <span class="o">*</span><span class="n">new_img_fname</span> <span class="o">=</span> <span class="nb">NULL</span><span class="p">;</span> <span class="kt">int</span> <span class="n">do_fix_checksum</span> <span class="o">=</span> <span class="mi">0</span><span class="p">;</span> <span class="kt">int</span> <span class="n">do_write</span> <span class="o">=</span> <span class="mi">0</span><span class="p">;</span> <span class="kt">int</span> <span class="n">do_write_rootfs</span> <span class="o">=</span> <span class="mi">0</span><span class="p">;</span> <span class="kt">int</span> <span class="n">do_read_rootfs</span> <span class="o">=</span> <span class="mi">0</span><span class="p">;</span> <span class="kt">int</span> <span class="n">do_write_kernel</span> <span class="o">=</span> <span class="mi">0</span><span class="p">;</span> <span class="kt">int</span> <span class="n">do_read_kernel</span> <span class="o">=</span> <span class="mi">0</span><span class="p">;</span> <span class="kt">int</span> <span class="n">i</span><span class="p">;</span> <span class="kt">unsigned</span> <span class="kt">char</span> <span class="o">*</span><span class="n">img</span><span class="p">;</span> <span class="kt">unsigned</span> <span class="kt">short</span> <span class="n">img_checksum</span><span class="p">;</span> <span class="kt">unsigned</span> <span class="kt">short</span> <span class="n">real_checksum</span><span class="p">;</span> <span class="n">app_name</span> <span class="o">=</span> <span class="n">argv</span><span class="p">[</span><span class="mi">0</span><span class="p">];</span> <span class="k">for</span> <span class="p">(</span><span class="n">i</span><span class="o">=</span><span class="mi">1</span><span class="p">;</span> <span class="n">i</span><span class="o"><</span><span class="n">argc</span><span class="p">;</span> <span class="n">i</span><span class="o">++</span><span class="p">)</span> <span class="p">{</span> <span class="k">if</span> <span class="p">(</span><span class="o">!</span><span class="n">strcmp</span><span class="p">(</span><span class="n">argv</span><span class="p">[</span><span class="n">i</span><span class="p">],</span> <span class="s">"-h"</span><span class="p">))</span> <span class="p">{</span> <span class="n">print_usage</span><span class="p">();</span> <span class="k">return</span> <span class="mi">0</span><span class="p">;</span> <span class="p">}</span> <span class="k">else</span> <span class="k">if</span> <span class="p">(</span><span class="o">!</span><span class="n">strcmp</span><span class="p">(</span><span class="n">argv</span><span class="p">[</span><span class="n">i</span><span class="p">],</span> <span class="s">"-f"</span><span class="p">))</span> <span class="p">{</span> <span class="n">do_fix_checksum</span> <span class="o">=</span> <span class="mi">1</span><span class="p">;</span> <span class="p">}</span> <span class="k">else</span> <span class="k">if</span> <span class="p">(</span><span class="o">!</span><span class="n">strcmp</span><span class="p">(</span><span class="n">argv</span><span class="p">[</span><span class="n">i</span><span class="p">],</span> <span class="s">"-x"</span><span class="p">))</span> <span class="p">{</span> <span class="k">if</span> <span class="p">(</span><span class="n">i</span><span class="o">+</span><span class="mi">1</span> <span class="o">>=</span> <span class="n">argc</span><span class="p">)</span> <span class="p">{</span> <span class="n">fprintf</span><span class="p">(</span><span class="n">stderr</span><span class="p">,</span> <span class="s">"%s: missing argument</span><span class="se">\n</span><span class="s">"</span><span class="p">,</span> <span class="n">app_name</span><span class="p">);</span> <span class="k">return</span> <span class="mi">-1</span><span class="p">;</span> <span class="p">}</span> <span class="n">do_write_rootfs</span> <span class="o">=</span> <span class="mi">1</span><span class="p">;</span> <span class="n">rootfs_fname</span> <span class="o">=</span> <span class="n">argv</span><span class="p">[</span><span class="n">i</span><span class="o">+</span><span class="mi">1</span><span class="p">];</span> <span class="n">i</span><span class="o">++</span><span class="p">;</span> <span class="p">}</span> <span class="k">else</span> <span class="k">if</span> <span class="p">(</span><span class="o">!</span><span class="n">strcmp</span><span class="p">(</span><span class="n">argv</span><span class="p">[</span><span class="n">i</span><span class="p">],</span> <span class="s">"-xk"</span><span class="p">))</span> <span class="p">{</span> <span class="k">if</span> <span class="p">(</span><span class="n">i</span><span class="o">+</span><span class="mi">1</span> <span class="o">>=</span> <span class="n">argc</span><span class="p">)</span> <span class="p">{</span> <span class="n">fprintf</span><span class="p">(</span><span class="n">stderr</span><span class="p">,</span> <span class="s">"%s: missing argument</span><span class="se">\n</span><span class="s">"</span><span class="p">,</span> <span class="n">app_name</span><span class="p">);</span> <span class="k">return</span> <span class="mi">-1</span><span class="p">;</span> <span class="p">}</span> <span class="n">do_write_kernel</span> <span class="o">=</span> <span class="mi">1</span><span class="p">;</span> <span class="n">kernel_fname</span> <span class="o">=</span> <span class="n">argv</span><span class="p">[</span><span class="n">i</span><span class="o">+</span><span class="mi">1</span><span class="p">];</span> <span class="n">i</span><span class="o">++</span><span class="p">;</span> <span class="p">}</span> <span class="k">else</span> <span class="k">if</span> <span class="p">(</span><span class="o">!</span><span class="n">strcmp</span><span class="p">(</span><span class="n">argv</span><span class="p">[</span><span class="n">i</span><span class="p">],</span> <span class="s">"-m"</span><span class="p">))</span> <span class="p">{</span> <span class="k">if</span> <span class="p">(</span><span class="n">i</span><span class="o">+</span><span class="mi">1</span> <span class="o">>=</span> <span class="n">argc</span><span class="p">)</span> <span class="p">{</span> <span class="n">fprintf</span><span class="p">(</span><span class="n">stderr</span><span class="p">,</span> <span class="s">"%s: missing argument</span><span class="se">\n</span><span class="s">"</span><span class="p">,</span> <span class="n">app_name</span><span class="p">);</span> <span class="k">return</span> <span class="mi">-1</span><span class="p">;</span> <span class="p">}</span> <span class="n">do_read_rootfs</span> <span class="o">=</span> <span class="mi">1</span><span class="p">;</span> <span class="n">rootfs_fname</span> <span class="o">=</span> <span class="n">argv</span><span class="p">[</span><span class="n">i</span><span class="o">+</span><span class="mi">1</span><span class="p">];</span> <span class="n">i</span><span class="o">++</span><span class="p">;</span> <span class="p">}</span> <span class="k">else</span> <span class="k">if</span> <span class="p">(</span><span class="o">!</span><span class="n">strcmp</span><span class="p">(</span><span class="n">argv</span><span class="p">[</span><span class="n">i</span><span class="p">],</span> <span class="s">"-k"</span><span class="p">))</span> <span class="p">{</span> <span class="k">if</span> <span class="p">(</span><span class="n">i</span><span class="o">+</span><span class="mi">1</span> <span class="o">>=</span> <span class="n">argc</span><span class="p">)</span> <span class="p">{</span> <span class="n">fprintf</span><span class="p">(</span><span class="n">stderr</span><span class="p">,</span> <span class="s">"%s: missing argument</span><span class="se">\n</span><span class="s">"</span><span class="p">,</span> <span class="n">app_name</span><span class="p">);</span> <span class="k">return</span> <span class="mi">-1</span><span class="p">;</span> <span class="p">}</span> <span class="n">do_read_kernel</span> <span class="o">=</span> <span class="mi">1</span><span class="p">;</span> <span class="n">kernel_fname</span> <span class="o">=</span> <span class="n">argv</span><span class="p">[</span><span class="n">i</span><span class="o">+</span><span class="mi">1</span><span class="p">];</span> <span class="n">i</span><span class="o">++</span><span class="p">;</span> <span class="p">}</span> <span class="k">else</span> <span class="k">if</span> <span class="p">(</span><span class="o">!</span><span class="n">strcmp</span><span class="p">(</span><span class="n">argv</span><span class="p">[</span><span class="n">i</span><span class="p">],</span> <span class="s">"-w"</span><span class="p">))</span> <span class="p">{</span> <span class="k">if</span> <span class="p">(</span><span class="n">i</span><span class="o">+</span><span class="mi">1</span> <span class="o">>=</span> <span class="n">argc</span><span class="p">)</span> <span class="p">{</span> <span class="n">fprintf</span><span class="p">(</span><span class="n">stderr</span><span class="p">,</span> <span class="s">"%s: missing argument</span><span class="se">\n</span><span class="s">"</span><span class="p">,</span> <span class="n">app_name</span><span class="p">);</span> <span class="k">return</span> <span class="mi">-1</span><span class="p">;</span> <span class="p">}</span> <span class="n">do_write</span> <span class="o">=</span> <span class="mi">1</span><span class="p">;</span> <span class="n">new_img_fname</span> <span class="o">=</span> <span class="n">argv</span><span class="p">[</span><span class="n">i</span><span class="o">+</span><span class="mi">1</span><span class="p">];</span> <span class="n">i</span><span class="o">++</span><span class="p">;</span> <span class="p">}</span> <span class="k">else</span> <span class="k">if</span> <span class="p">(</span><span class="n">img_fname</span> <span class="o">!=</span> <span class="mi">0</span><span class="p">)</span> <span class="p">{</span> <span class="n">fprintf</span><span class="p">(</span><span class="n">stderr</span><span class="p">,</span> <span class="s">"%s: too many arguments</span><span class="se">\n</span><span class="s">"</span><span class="p">,</span> <span class="n">app_name</span><span class="p">);</span> <span class="k">return</span> <span class="mi">-1</span><span class="p">;</span> <span class="p">}</span> <span class="k">else</span> <span class="p">{</span> <span class="n">img_fname</span> <span class="o">=</span> <span class="n">argv</span><span class="p">[</span><span class="n">i</span><span class="p">];</span> <span class="p">}</span> <span class="p">}</span> <span class="k">if</span> <span class="p">(</span><span class="n">img_fname</span> <span class="o">==</span> <span class="nb">NULL</span><span class="p">)</span> <span class="p">{</span> <span class="n">fprintf</span><span class="p">(</span><span class="n">stderr</span><span class="p">,</span> <span class="s">"%s: missing argument</span><span class="se">\n</span><span class="s">"</span><span class="p">,</span> <span class="n">app_name</span><span class="p">);</span> <span class="k">return</span> <span class="mi">-1</span><span class="p">;</span> <span class="p">}</span> <span class="k">if</span> <span class="p">((</span><span class="n">do_read_rootfs</span> <span class="o">&&</span> <span class="n">do_write_rootfs</span><span class="p">)</span> <span class="o">||</span> <span class="p">(</span><span class="n">do_read_kernel</span> <span class="o">&&</span> <span class="n">do_write_kernel</span><span class="p">))</span> <span class="p">{</span> <span class="n">fprintf</span><span class="p">(</span><span class="n">stderr</span><span class="p">,</span> <span class="s">"%s: conflictuous options</span><span class="se">\n</span><span class="s">"</span><span class="p">,</span> <span class="n">app_name</span><span class="p">);</span> <span class="k">return</span> <span class="mi">-1</span><span class="p">;</span> <span class="p">}</span> <span class="n">printf</span> <span class="p">(</span><span class="s">"** Read firmware file</span><span class="se">\n</span><span class="s">"</span><span class="p">);</span> <span class="n">img</span> <span class="o">=</span> <span class="n">read_img</span><span class="p">(</span><span class="n">img_fname</span><span class="p">);</span> <span class="n">printf</span> <span class="p">(</span><span class="s">"Firmware product: %s</span><span class="se">\n</span><span class="s">"</span><span class="p">,</span> <span class="n">img</span><span class="o">+</span><span class="mh">0x3dffbd</span><span class="p">);</span> <span class="n">printf</span> <span class="p">(</span><span class="s">"Firmware version: 1.%02d.%02d</span><span class="se">\n</span><span class="s">"</span><span class="p">,</span> <span class="p">(</span><span class="n">img</span><span class="p">[</span><span class="mh">0x3dffeb</span><span class="p">]</span> <span class="o">&</span> <span class="mh">0x7f</span><span class="p">),</span> <span class="n">img</span><span class="p">[</span><span class="mh">0x3dffec</span><span class="p">]);</span> <span class="k">if</span> <span class="p">(</span><span class="n">do_write_rootfs</span><span class="p">)</span> <span class="p">{</span> <span class="n">printf</span> <span class="p">(</span><span class="s">"** Write rootfs file</span><span class="se">\n</span><span class="s">"</span><span class="p">);</span> <span class="n">write_rootfs</span><span class="p">(</span><span class="n">img</span><span class="p">,</span> <span class="n">rootfs_fname</span><span class="p">);</span> <span class="p">}</span> <span class="k">if</span> <span class="p">(</span><span class="n">do_write_kernel</span><span class="p">)</span> <span class="p">{</span> <span class="n">printf</span> <span class="p">(</span><span class="s">"** Write kernel file</span><span class="se">\n</span><span class="s">"</span><span class="p">);</span> <span class="n">write_kernel</span><span class="p">(</span><span class="n">img</span><span class="p">,</span> <span class="n">kernel_fname</span><span class="p">);</span> <span class="p">}</span> <span class="k">if</span> <span class="p">(</span><span class="n">do_read_rootfs</span><span class="p">)</span> <span class="p">{</span> <span class="n">printf</span> <span class="p">(</span><span class="s">"** Read rootfs file</span><span class="se">\n</span><span class="s">"</span><span class="p">);</span> <span class="n">read_rootfs</span><span class="p">(</span><span class="n">img</span><span class="p">,</span> <span class="n">rootfs_fname</span><span class="p">);</span> <span class="n">do_fix_checksum</span> <span class="o">=</span> <span class="mi">1</span><span class="p">;</span> <span class="p">}</span> <span class="k">if</span> <span class="p">(</span><span class="n">do_read_kernel</span><span class="p">)</span> <span class="p">{</span> <span class="n">printf</span> <span class="p">(</span><span class="s">"** Read kernel file</span><span class="se">\n</span><span class="s">"</span><span class="p">);</span> <span class="n">read_kernel</span><span class="p">(</span><span class="n">img</span><span class="p">,</span> <span class="n">kernel_fname</span><span class="p">);</span> <span class="n">do_fix_checksum</span> <span class="o">=</span> <span class="mi">1</span><span class="p">;</span> <span class="p">}</span> <span class="n">img_checksum</span> <span class="o">=</span> <span class="n">get_checksum</span><span class="p">(</span><span class="n">img</span><span class="p">);</span> <span class="n">real_checksum</span> <span class="o">=</span> <span class="n">compute_checksum</span><span class="p">(</span><span class="n">img</span><span class="p">);</span> <span class="n">printf</span> <span class="p">(</span><span class="s">"image checksum = %04x</span><span class="se">\n</span><span class="s">"</span><span class="p">,</span> <span class="n">img_checksum</span><span class="p">);</span> <span class="n">printf</span> <span class="p">(</span><span class="s">"real checksum = %04x</span><span class="se">\n</span><span class="s">"</span><span class="p">,</span> <span class="n">real_checksum</span><span class="p">);</span> <span class="k">if</span> <span class="p">(</span><span class="n">do_fix_checksum</span><span class="p">)</span> <span class="p">{</span> <span class="k">if</span> <span class="p">(</span><span class="n">img_checksum</span> <span class="o">!=</span> <span class="n">real_checksum</span><span class="p">)</span> <span class="p">{</span> <span class="n">printf</span> <span class="p">(</span><span class="s">"** Bad Checksum, fix it</span><span class="se">\n</span><span class="s">"</span><span class="p">);</span> <span class="n">set_checksum</span><span class="p">(</span><span class="n">img</span><span class="p">,</span> <span class="n">real_checksum</span><span class="p">);</span> <span class="p">}</span> <span class="k">else</span> <span class="p">{</span> <span class="n">printf</span> <span class="p">(</span><span class="s">"** Checksum is correct, good</span><span class="se">\n</span><span class="s">"</span><span class="p">);</span> <span class="p">}</span> <span class="p">}</span> <span class="k">if</span> <span class="p">(</span><span class="n">do_write</span><span class="p">)</span> <span class="p">{</span> <span class="n">printf</span> <span class="p">(</span><span class="s">"** Write image file</span><span class="se">\n</span><span class="s">"</span><span class="p">);</span> <span class="n">write_img</span><span class="p">(</span><span class="n">img</span><span class="p">,</span> <span class="n">new_img_fname</span><span class="p">);</span> <span class="p">}</span> <span class="n">free</span><span class="p">(</span><span class="n">img</span><span class="p">);</span> <span class="k">return</span> <span class="mi">0</span><span class="p">;</span> <span class="p">}</span> </pre></div> </code></pre></td></tr></table> </div> <!-- class=content --> <div class='footer'>generated by <a href='https://git.zx2c4.com/cgit/about/'>cgit v1.2.3</a> (<a href='https://git-scm.com/'>git 2.25.1</a>) at 2025-01-19 20:27:29 +0000</div> </div> <!-- id=cgit --> </body> </html>