OrgACRN
/
slimbootloader
mirror of https://github.com/slimbootloader/slimbootloader.git
1
0
Fork 0
Code Issues Releases Wiki Activity

Remove Stage2 and Payload support for Intel BootGuard 

Stage2 and Payload are NOT verified by Intel BootGuard component.
Instead, Slimbootloader verfifies Stage2 and Payload using SBL hash store.

Signed-off-by: Agrawal <sachin.agrawal@intel.com>
This commit is contained in:
Agrawal 2019-03-04 13:11:36 -08:00 committed by Maurice Ma
parent 93d1915742
commit 0486316f5e
1 changed files with 0 additions and 32 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

32
BuildLoader.py
View File

@ -359,38 +359,6 @@ class Build(object):
print(' Patching entry %d with 0x%08X:0x%08X - BIOS Module(Stage1B)' % (num_fit_entries, fit_entry.address, fit_entry.size))
num_fit_entries += 1
# Keep this temporary to compare BTG with BTG+VerifiedBoot
if not self._board.HAVE_VERIFIED_BOOT:
# Stage2
addr = self._board.STAGE2_BASE
src = 'STAGE2.lz'
src_path = os.path.join(self._fv_dir, src)
if not os.path.exists(src_path):
module_size = (self._board.STAGE2_SIZE >> 4)
else:
module_size = os.path.getsize(src_path)
module_size = ((module_size + 0x3F) & 0xFFFFFFC0) # 0x40 align
module_size = module_size >> 4
fit_entry = FitEntry.from_buffer(rom, fit_offset + (num_fit_entries+1)*16)
fit_entry.set_values(addr, module_size, 0x100, 0x7, 0)
print(' Patching entry %d with 0x%08X:0x%08X - BIOS Module(Stage2)' % (num_fit_entries, fit_entry.address, fit_entry.size))
num_fit_entries += 1
# Payload
addr = self._board.PAYLOAD_BASE
src = 'PAYLOAD.lz'
src_path = os.path.join(self._fv_dir, src)
if not os.path.exists(src_path):
module_size = (self._board.PAYLOAD_SIZE >> 4)
else:
module_size = os.path.getsize(src_path)
module_size = ((module_size + 0x3F) & 0xFFFFFFC0) # 0x40 align
module_size = module_size >> 4
fit_entry = FitEntry.from_buffer(rom, fit_offset + (num_fit_entries+1)*16)
fit_entry.set_values(addr, module_size, 0x100, 0x7, 0)
print(' Patching entry %d with 0x%08X:0x%08X - BIOS Module(Payload)' % (num_fit_entries, fit_entry.address, fit_entry.size))
num_fit_entries += 1
# KM
addr = self._board.ACM_BASE + self._board.ACM_SIZE - (self._board.KM_SIZE + self._board.BPM_SIZE)
fit_entry = FitEntry.from_buffer(rom, fit_offset + (num_fit_entries+1)*16)