mirror of
https://git.proxmox.com/git/fwupd
synced 2025-05-14 21:57:34 +00:00
b6e9dacc9a
Microsoft description about the Status is:
The Status field of the BGRT describes whether the image is currently
displayed on the screen. This is not applicable to the firmware update
display capsule.
Many thanks to Steven Chang for identifying this issue.
Fixes: https://github.com/hughsie/fwupd/issues/935
134 lines
2.9 KiB
C
134 lines
2.9 KiB
C
/*
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* Copyright (C) 2018 Richard Hughes <richard@hughsie.com>
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*
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* SPDX-License-Identifier: LGPL-2.1+
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*/
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#include "config.h"
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#include "fu-common.h"
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#include "fu-uefi-bgrt.h"
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#include "fu-uefi-common.h"
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struct _FuUefiBgrt {
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GObject parent_instance;
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guint32 xoffset;
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guint32 yoffset;
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guint32 width;
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guint32 height;
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};
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G_DEFINE_TYPE (FuUefiBgrt, fu_uefi_bgrt, G_TYPE_OBJECT)
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gboolean
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fu_uefi_bgrt_setup (FuUefiBgrt *self, GError **error)
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{
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gsize sz = 0;
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guint64 type;
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guint64 version;
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g_autofree gchar *bgrtdir = NULL;
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g_autofree gchar *data = NULL;
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g_autofree gchar *imagefn = NULL;
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g_autofree gchar *sysfsfwdir = NULL;
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g_return_val_if_fail (FU_IS_UEFI_BGRT (self), FALSE);
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sysfsfwdir = fu_common_get_path (FU_PATH_KIND_SYSFSDIR_FW);
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bgrtdir = g_build_filename (sysfsfwdir, "acpi", "bgrt", NULL);
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if (!g_file_test (bgrtdir, G_FILE_TEST_EXISTS)) {
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g_set_error_literal (error,
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G_IO_ERROR,
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G_IO_ERROR_NOT_SUPPORTED,
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"BGRT is not supported");
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return FALSE;
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}
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type = fu_uefi_read_file_as_uint64 (bgrtdir, "type");
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if (type != 0) {
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g_set_error (error,
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G_IO_ERROR,
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G_IO_ERROR_NOT_SUPPORTED,
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"BGRT type was %" G_GUINT64_FORMAT, type);
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return FALSE;
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}
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version = fu_uefi_read_file_as_uint64 (bgrtdir, "version");
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if (version != 1) {
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g_set_error (error,
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G_IO_ERROR,
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G_IO_ERROR_NOT_SUPPORTED,
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"BGRT version was %" G_GUINT64_FORMAT, version);
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return FALSE;
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}
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/* load image */
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self->xoffset = fu_uefi_read_file_as_uint64 (bgrtdir, "xoffset");
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self->yoffset = fu_uefi_read_file_as_uint64 (bgrtdir, "yoffset");
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imagefn = g_build_filename (bgrtdir, "image", NULL);
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if (!g_file_get_contents (imagefn, &data, &sz, error)) {
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g_prefix_error (error, "failed to load BGRT image: ");
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return FALSE;
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}
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if (!fu_uefi_get_bitmap_size ((guint8 *) data, sz,
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&self->width, &self->height, error)) {
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g_prefix_error (error, "BGRT image invalid: ");
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return FALSE;
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}
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/* success */
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return TRUE;
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}
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gboolean
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fu_uefi_bgrt_get_supported (FuUefiBgrt *self)
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{
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g_return_val_if_fail (FU_IS_UEFI_BGRT (self), FALSE);
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if (self->width == 0 || self->height == 0)
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return FALSE;
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return TRUE;
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}
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guint32
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fu_uefi_bgrt_get_xoffset (FuUefiBgrt *self)
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{
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g_return_val_if_fail (FU_IS_UEFI_BGRT (self), 0);
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return self->xoffset;
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}
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guint32
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fu_uefi_bgrt_get_yoffset (FuUefiBgrt *self)
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{
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g_return_val_if_fail (FU_IS_UEFI_BGRT (self), 0);
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return self->yoffset;
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}
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guint32
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fu_uefi_bgrt_get_width (FuUefiBgrt *self)
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{
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g_return_val_if_fail (FU_IS_UEFI_BGRT (self), 0);
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return self->width;
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}
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guint32
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fu_uefi_bgrt_get_height (FuUefiBgrt *self)
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{
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g_return_val_if_fail (FU_IS_UEFI_BGRT (self), 0);
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return self->height;
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}
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static void
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fu_uefi_bgrt_class_init (FuUefiBgrtClass *klass)
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{
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}
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static void
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fu_uefi_bgrt_init (FuUefiBgrt *self)
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{
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}
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FuUefiBgrt *
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fu_uefi_bgrt_new (void)
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{
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FuUefiBgrt *self;
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self = g_object_new (FU_TYPE_UEFI_BGRT, NULL);
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return FU_UEFI_BGRT (self);
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}
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