i386/txt: do not update MLE header

It's measured and we better measure the binary as is without changing it on the fly. Signed-off-by: Sergii Dmytruk <[email protected]>
TrenchBoot · Feb 28, 2024 · 2636399 · 2636399
1 parent 13bf69f
commit 2636399
Showing 1 changed file with 0 additions and 7 deletions.
diff --git a/grub-core/loader/i386/txt/txt.c b/grub-core/loader/i386/txt/txt.c
@@ -977,7 +977,6 @@ grub_txt_boot_prepare (struct grub_slaunch_params *slparams)
   grub_err_t err;
   grub_uint8_t *txt_heap;
   struct grub_txt_os_mle_data *os_mle_data;
-  struct grub_txt_mle_header *mle_header;
   struct grub_txt_acm_header *sinit_base;
 
   sinit_base = grub_txt_sinit_select (grub_slaunch_module ());
@@ -993,12 +992,6 @@ grub_txt_boot_prepare (struct grub_slaunch_params *slparams)
 
   grub_dprintf ("slaunch", "TXT heap successfully prepared\n");
 
-  /* Update the MLE header. */
-  mle_header =
-      (struct grub_txt_mle_header *) ((grub_uint8_t *) slparams->mle_mem + slparams->mle_header_offset);
-  mle_header->first_valid_page = 0;
-  mle_header->mle_end = slparams->mle_size;
-
   slparams->dce_base = (grub_uint32_t)(grub_addr_t) sinit_base;
   slparams->dce_size = sinit_base->size * 4;