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Add a set-address command to dfu-util

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This allows us to set the start address of DfuSe elements.
This commit is contained in:
Richard Hughes 2016-08-23 09:55:39 +01:00
parent e02eaf27ab
commit 3ae417b960
2 changed files with 78 additions and 4 deletions
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8
libdfu/dfu-element.c
View File

@ -115,9 +115,9 @@ dfu_element_get_contents (DfuElement *element)
* dfu_element_get_address:
* @element: a #DfuElement
*
* Gets the alternate setting.
* Gets the offset address of the element.
*
* Return value: integer, or 0x00 for unset
* Return value: memory offset value, or 0x00 for unset
*
* Since: 0.5.4
**/
@ -154,9 +154,9 @@ dfu_element_set_contents (DfuElement *element, GBytes *contents)
/**
* dfu_element_set_address:
* @element: a #DfuElement
* @address: vendor ID, or 0xffff for unset
* @address: memory offset value
*
* Sets the vendor ID.
* Sets the offset address of the element.
*
* Since: 0.5.4
**/

74
libdfu/dfu-tool.c
View File

@ -472,6 +472,74 @@ dfu_tool_set_target_size (DfuToolPrivate *priv, gchar **values, GError **error)
error);
}
static gboolean
dfu_tool_set_address (DfuToolPrivate *priv, gchar **values, GError **error)
{
DfuElement *element;
DfuFirmwareFormat firmware_format;
DfuImage *image;
gchar *endptr;
guint64 address;
g_autoptr(DfuFirmware) firmware = NULL;
g_autoptr(GFile) file = NULL;
/* check args */
if (g_strv_length (values) < 2) {
g_set_error_literal (error,
DFU_ERROR,
DFU_ERROR_INTERNAL,
"Invalid arguments, expected FILE ADDR"
" -- e.g. `firmware.dfu 8000");
return FALSE;
}
/* open */
file = g_file_new_for_path (values[0]);
firmware = dfu_firmware_new ();
if (!dfu_firmware_parse_file (firmware, file,
DFU_FIRMWARE_PARSE_FLAG_NONE,
priv->cancellable,
error)) {
return FALSE;
}
/* only makes sense for DfuSe */
firmware_format = dfu_firmware_get_format (firmware);
if (firmware_format != DFU_FIRMWARE_FORMAT_DFUSE) {
g_set_error (error,
DFU_ERROR,
DFU_ERROR_INTERNAL,
"Cannot set address of %s image, try DfuSe",
dfu_firmware_format_to_string (firmware_format));
return FALSE;
}
/* parse address */
address = g_ascii_strtoull (values[1], &endptr, 16);
if (address > G_MAXUINT32 || endptr[0] != '\0') {
g_set_error (error,
DFU_ERROR,
DFU_ERROR_INTERNAL,
"Failed to parse address '%s'",
values[1]);
return FALSE;
}
/* this has to exist */
if (address > 0) {
image = dfu_firmware_get_image_default (firmware);
g_assert (image != NULL);
element = dfu_image_get_element (image, 0);
dfu_element_set_address (element, (guint32) address);
}
/* write out new file */
return dfu_firmware_write_file (firmware,
file,
priv->cancellable,
error);
}
static gboolean
dfu_tool_set_metadata (DfuToolPrivate *priv, gchar **values, GError **error)
{
@ -1905,6 +1973,12 @@ main (int argc, char *argv[])
/* TRANSLATORS: command description */
_("Set product ID on firmware file"),
dfu_tool_set_product);
dfu_tool_add (priv->cmd_array,
"set-address",
NULL,
/* TRANSLATORS: command description */
_("Set element address on firmware file"),
dfu_tool_set_address);
dfu_tool_add (priv->cmd_array,
"set-target-size",
NULL,