diff --git a/Makefile b/Makefile index 034e5aa..bfe115c 100644 --- a/Makefile +++ b/Makefile @@ -423,6 +423,7 @@ endif version_h := include/generated/version_autogenerated.h timestamp_h := include/generated/timestamp_autogenerated.h +defaultenv_h := include/generated/defaultenv_autogenerated.h no-dot-config-targets := clean clobber mrproper distclean \ help %docs check% coccicheck \ @@ -1391,6 +1392,10 @@ ifeq ($(wildcard $(LDSCRIPT)),) @/bin/false endif +ifeq ($(CONFIG_USE_DEFAULT_ENV_FILE),y) +prepare1: $(defaultenv_h) +endif + archprepare: prepare1 scripts_basic prepare0: archprepare FORCE @@ -1438,12 +1443,23 @@ define filechk_timestamp.h fi) endef +define filechk_defaultenv.h + (grep -v '^#' | \ + grep -v '^$$' | \ + tr '\n' '\0' | \ + sed -e 's/\\\x0/\n/' | \ + xxd -i ; echo ", 0x00" ; ) +endef + $(version_h): include/config/uboot.release FORCE $(call filechk,version.h) $(timestamp_h): $(srctree)/Makefile FORCE $(call filechk,timestamp.h) +$(defaultenv_h): $(CONFIG_DEFAULT_ENV_FILE:"%"=%) FORCE + $(call filechk,defaultenv.h) + # --------------------------------------------------------------------------- quiet_cmd_cpp_lds = LDS $@ cmd_cpp_lds = $(CPP) -Wp,-MD,$(depfile) $(cpp_flags) $(LDPPFLAGS) \ diff --git a/env/Kconfig b/env/Kconfig index 3bc1a35..680441c 100644 --- a/env/Kconfig +++ b/env/Kconfig @@ -479,4 +479,22 @@ config ENV_SIZE endif +config USE_DEFAULT_ENV_FILE + bool "Create default environment from file" + help + Normally, the default environment is automatically generated + based on the settings of various CONFIG_* options, as well + as the CONFIG_EXTRA_ENV_SETTINGS. By selecting this option, + you can instead define the entire default environment in an + external file. + +config DEFAULT_ENV_FILE + string "Path to default environment file" + depends on USE_DEFAULT_ENV_FILE + help + The path containing the default environment. The format is + the same as accepted by the mkenvimage tool: lines + containing key=value pairs, blank lines and lines beginning + with # are ignored. + endmenu diff --git a/include/env_default.h b/include/env_default.h index dd74131..ba1c3c0 100644 --- a/include/env_default.h +++ b/include/env_default.h @@ -22,6 +22,7 @@ static char default_environment[] = { #else const uchar default_environment[] = { #endif +#ifndef CONFIG_USE_DEFAULT_ENV_FILE #ifdef CONFIG_ENV_CALLBACK_LIST_DEFAULT ENV_CALLBACK_VAR "=" CONFIG_ENV_CALLBACK_LIST_DEFAULT "\0" #endif @@ -108,6 +109,9 @@ const uchar default_environment[] = { CONFIG_EXTRA_ENV_SETTINGS #endif "\0" +#else /* CONFIG_USE_DEFAULT_ENV_FILE */ +#include "generated/defaultenv_autogenerated.h" +#endif #ifdef DEFAULT_ENV_INSTANCE_EMBEDDED } #endif