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