armbian-build/patch/u-boot/v2025.01/cmd-fileenv-read-string-fro...

100 lines
2.4 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Ricardo Pardini <ricardo@pardini.net>
Date: Fri, 31 Jan 2025 15:52:03 +0100
Subject: cmd: fileenv: read string from file into env
- rpardini: adapted from vendor/legacy patch from 2018
Signed-off-by: Pascal Vizeli <pvizeli@syshack.ch>
Signed-off-by: Stefan Agner <stefan@agner.ch>
Signed-off-by: Ricardo Pardini <ricardo@pardini.net>
---
cmd/Kconfig | 5 +
cmd/Makefile | 1 +
cmd/fileenv.c | 46 ++++++++++
3 files changed, 52 insertions(+)
diff --git a/cmd/Kconfig b/cmd/Kconfig
index 111111111111..222222222222 100644
--- a/cmd/Kconfig
+++ b/cmd/Kconfig
@@ -1792,6 +1792,11 @@ config CMD_XXD
help
Print file as hexdump to standard output
+config CMD_FILEENV
+ bool "fileenv"
+ help
+ Read a file into memory and store it to env.
+
endmenu
if NET || NET_LWIP
diff --git a/cmd/Makefile b/cmd/Makefile
index 111111111111..222222222222 100644
--- a/cmd/Makefile
+++ b/cmd/Makefile
@@ -170,6 +170,7 @@ obj-$(CONFIG_CMD_SHA1SUM) += sha1sum.o
obj-$(CONFIG_CMD_SEAMA) += seama.o
obj-$(CONFIG_CMD_SETEXPR) += setexpr.o
obj-$(CONFIG_CMD_SETEXPR_FMT) += printf.o
+obj-$(CONFIG_CMD_FILEENV) += fileenv.o
obj-$(CONFIG_CMD_SPI) += spi.o
obj-$(CONFIG_CMD_STRINGS) += strings.o
obj-$(CONFIG_CMD_SMBIOS) += smbios.o
diff --git a/cmd/fileenv.c b/cmd/fileenv.c
new file mode 100644
index 000000000000..111111111111
--- /dev/null
+++ b/cmd/fileenv.c
@@ -0,0 +1,46 @@
+#include <config.h>
+#include <command.h>
+#include <fs.h>
+#include <linux/ctype.h>
+#include <vsprintf.h>
+
+static char *fs_argv[5];
+
+int do_fileenv(struct cmd_tbl *cmdtp, int flag, int argc, char * const argv[])
+{
+ if (argc < 6)
+ return CMD_RET_USAGE;
+
+ fs_argv[0] = "fatload";
+ fs_argv[1] = argv[1];
+ fs_argv[2] = argv[2];
+ fs_argv[3] = argv[3];
+ fs_argv[4] = argv[4];
+
+ if (do_fat_fsload(cmdtp, 0, 5, fs_argv) != 0)
+ return 1;
+
+ char *addr = (char *)simple_strtoul(argv[3], NULL, 16);
+ size_t size = env_get_hex("filesize", 0);
+
+ // Prepare string
+ addr[size] = 0x00;
+ char *s = addr;
+ while(*s != 0x00) {
+ if (isprint(*s)) {
+ s++;
+ }
+ else {
+ *s = 0x00;
+ }
+ }
+
+ return env_set(argv[5], addr);
+}
+
+U_BOOT_CMD(
+ fileenv, 6, 0, do_fileenv,
+ "Read file and store it into env.",
+ "<interface> <dev:part> <addr> <filename> <envname>\n"
+ " - Read file from fat32 and store it as env."
+);
--
Armbian