diff options
Diffstat (limited to 'cmd')
| -rw-r--r-- | cmd/.gitignore | 3 | ||||
| -rw-r--r-- | cmd/Kconfig | 12 | ||||
| -rw-r--r-- | cmd/Makefile | 22 | ||||
| -rw-r--r-- | cmd/config.c | 44 |
4 files changed, 81 insertions, 0 deletions
diff --git a/cmd/.gitignore b/cmd/.gitignore new file mode 100644 index 0000000..7800586 --- /dev/null +++ b/cmd/.gitignore @@ -0,0 +1,3 @@ +config_data.gz +config_data_gz.h +config_data_size.h diff --git a/cmd/Kconfig b/cmd/Kconfig index 4a0d489..57e8e42 100644 --- a/cmd/Kconfig +++ b/cmd/Kconfig @@ -126,6 +126,18 @@ config CMD_BDI help Print board info +config CMD_CONFIG + bool "config" + select BUILD_BIN2C + default SANDBOX + help + Print ".config" contents. + + If this option is enabled, the ".config" file contents are embedded + in the U-Boot image and can be printed on the console by the "config" + command. This provides information of which options are enabled on + the running U-Boot. + config CMD_CONSOLE bool "coninfo" default y diff --git a/cmd/Makefile b/cmd/Makefile index 566fed9..1a04e7e 100644 --- a/cmd/Makefile +++ b/cmd/Makefile @@ -31,6 +31,7 @@ obj-$(CONFIG_CMD_BOOTI) += booti.o obj-$(CONFIG_CMD_CACHE) += cache.o obj-$(CONFIG_CMD_CBFS) += cbfs.o obj-$(CONFIG_CMD_CLK) += clk.o +obj-$(CONFIG_CMD_CONFIG) += config.o obj-$(CONFIG_CMD_CONSOLE) += console.o obj-$(CONFIG_CMD_CPLBINFO) += cplbinfo.o obj-$(CONFIG_CMD_CPU) += cpu.o @@ -165,3 +166,24 @@ obj-$(CONFIG_CMD_BLOB) += blob.o obj-y += nvedit.o obj-$(CONFIG_ARCH_MVEBU) += mvebu/ + +filechk_data_gz = (echo "static const char data_gz[] ="; cat $< | scripts/bin2c; echo ";") + +filechk_data_size = \ + (echo "static const size_t data_size = "; \ + cat $< | wc -c; echo ";") + +# "config" command +$(obj)/config.o: $(obj)/config_data_gz.h $(obj)/config_data_size.h + +targets += config_data.gz +$(obj)/config_data.gz: $(KCONFIG_CONFIG) FORCE + $(call if_changed,gzip) + +targets += config_data_gz.h +$(obj)/config_data_gz.h: $(obj)/config_data.gz FORCE + $(call filechk,data_gz) + +targets += config_data_size.h +$(obj)/config_data_size.h: $(KCONFIG_CONFIG) FORCE + $(call filechk,data_size) diff --git a/cmd/config.c b/cmd/config.c new file mode 100644 index 0000000..0c7f4e0 --- /dev/null +++ b/cmd/config.c @@ -0,0 +1,44 @@ +/* + * Copyright (C) 2017 Masahiro Yamada <yamada.masahiro@socionext.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <command.h> +#include <malloc.h> + +#include "config_data_gz.h" +#include "config_data_size.h" + +static int do_config(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) +{ + char *dst; + unsigned long len = data_size; + int ret = CMD_RET_SUCCESS; + + dst = malloc(data_size + 1); + if (!dst) + return CMD_RET_FAILURE; + + ret = gunzip(dst, data_size, (unsigned char *)data_gz, &len); + if (ret) { + printf("failed to uncompress .config data\n"); + ret = CMD_RET_FAILURE; + goto free; + } + + dst[data_size] = 0; + puts(dst); + +free: + free(dst); + + return ret; +} + +U_BOOT_CMD( + config, 1, 1, do_config, + "print .config", + "" +); |