9c4d85d83a
This refactoring ensures bmp_load_logo() takes logo_size as an argument, returning a valid logo_ptr only if logo_size is non-zero. This prevents potential errors from mismatched size assumption. BUG=b:242829490 TEST=google/rex0 builds successfully. Change-Id: I14bc54670a67980ec93bc366b274832d1f959e50 Signed-off-by: Subrata Banik <subratabanik@google.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/81618 Reviewed-by: Matt DeVillier <matt.devillier@amd.corp-partner.google.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Dinesh Gehlot <digehlot@google.com> Reviewed-by: Julius Werner <jwerner@chromium.org>
47 lines
901 B
C
47 lines
901 B
C
/* SPDX-License-Identifier: GPL-2.0-only */
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#include <acpi/acpi.h>
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#include <bootsplash.h>
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#include <cbfs.h>
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#include <cbmem.h>
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#include <stdint.h>
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#include <vendorcode/google/chromeos/chromeos.h>
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static const struct cbmem_entry *logo_entry;
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#if !CONFIG(HAVE_CUSTOM_BMP_LOGO)
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const char *bmp_logo_filename(void)
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{
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return "logo.bmp";
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}
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#endif
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void *bmp_load_logo(size_t *logo_size)
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{
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void *logo_buffer;
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/* CBMEM is locked for S3 resume path. */
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if (acpi_is_wakeup_s3())
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return NULL;
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logo_entry = cbmem_entry_add(CBMEM_ID_FSP_LOGO, 1 * MiB);
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if (!logo_entry)
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return NULL;
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logo_buffer = cbmem_entry_start(logo_entry);
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if (!logo_buffer)
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return NULL;
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*logo_size = cbfs_load(bmp_logo_filename(), logo_buffer, 1 * MiB);
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if (*logo_size == 0)
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return NULL;
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return logo_buffer;
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}
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void bmp_release_logo(void)
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{
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if (logo_entry)
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cbmem_entry_remove(logo_entry);
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logo_entry = NULL;
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}
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