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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:17:27 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:17:27 +0000 |
commit | f215e02bf85f68d3a6106c2a1f4f7f063f819064 (patch) | |
tree | 6bb5b92c046312c4e95ac2620b10ddf482d3fa8b /src/VBox/Devices/EFI/Firmware/IntelFsp2Pkg/FspSecCore/Vtf0/Tools | |
parent | Initial commit. (diff) | |
download | virtualbox-f215e02bf85f68d3a6106c2a1f4f7f063f819064.tar.xz virtualbox-f215e02bf85f68d3a6106c2a1f4f7f063f819064.zip |
Adding upstream version 7.0.14-dfsg.upstream/7.0.14-dfsg
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/VBox/Devices/EFI/Firmware/IntelFsp2Pkg/FspSecCore/Vtf0/Tools')
-rwxr-xr-x | src/VBox/Devices/EFI/Firmware/IntelFsp2Pkg/FspSecCore/Vtf0/Tools/FixupForRawSection.py | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/src/VBox/Devices/EFI/Firmware/IntelFsp2Pkg/FspSecCore/Vtf0/Tools/FixupForRawSection.py b/src/VBox/Devices/EFI/Firmware/IntelFsp2Pkg/FspSecCore/Vtf0/Tools/FixupForRawSection.py new file mode 100755 index 00000000..5ddddb6b --- /dev/null +++ b/src/VBox/Devices/EFI/Firmware/IntelFsp2Pkg/FspSecCore/Vtf0/Tools/FixupForRawSection.py @@ -0,0 +1,104 @@ +## @file +# Apply fixup to VTF binary image for FFS Raw section +# +# Copyright (c) 2014, Intel Corporation. All rights reserved.<BR> +# +# SPDX-License-Identifier: BSD-2-Clause-Patent +# + +import sys + +filename = sys.argv[1] + +if filename.lower().find('ia32') >= 0: + d = open(sys.argv[1], 'rb').read() + c = ((len(d) + 4 + 7) & ~7) - 4 + if c > len(d): + c -= len(d) + f = open(sys.argv[1], 'wb') + f.write('\x90' * c) + f.write(d) + f.close() +else: + from struct import pack + + PAGE_PRESENT = 0x01 + PAGE_READ_WRITE = 0x02 + PAGE_USER_SUPERVISOR = 0x04 + PAGE_WRITE_THROUGH = 0x08 + PAGE_CACHE_DISABLE = 0x010 + PAGE_ACCESSED = 0x020 + PAGE_DIRTY = 0x040 + PAGE_PAT = 0x080 + PAGE_GLOBAL = 0x0100 + PAGE_2M_MBO = 0x080 + PAGE_2M_PAT = 0x01000 + + def NopAlign4k(s): + c = ((len(s) + 0xfff) & ~0xfff) - len(s) + return ('\x90' * c) + s + + def PageDirectoryEntries4GbOf2MbPages(baseAddress): + + s = '' + for i in range(0x800): + i = ( + baseAddress + long(i << 21) + + PAGE_2M_MBO + + PAGE_CACHE_DISABLE + + PAGE_ACCESSED + + PAGE_DIRTY + + PAGE_READ_WRITE + + PAGE_PRESENT + ) + s += pack('Q', i) + return s + + def PageDirectoryPointerTable4GbOf2MbPages(pdeBase): + s = '' + for i in range(0x200): + i = ( + pdeBase + + (min(i, 3) << 12) + + PAGE_CACHE_DISABLE + + PAGE_ACCESSED + + PAGE_READ_WRITE + + PAGE_PRESENT + ) + s += pack('Q', i) + return s + + def PageMapLevel4Table4GbOf2MbPages(pdptBase): + s = '' + for i in range(0x200): + i = ( + pdptBase + + (min(i, 0) << 12) + + PAGE_CACHE_DISABLE + + PAGE_ACCESSED + + PAGE_READ_WRITE + + PAGE_PRESENT + ) + s += pack('Q', i) + return s + + def First4GbPageEntries(topAddress): + PDE = PageDirectoryEntries4GbOf2MbPages(0L) + pml4tBase = topAddress - 0x1000 + pdptBase = pml4tBase - 0x1000 + pdeBase = pdptBase - len(PDE) + PDPT = PageDirectoryPointerTable4GbOf2MbPages(pdeBase) + PML4T = PageMapLevel4Table4GbOf2MbPages(pdptBase) + return PDE + PDPT + PML4T + + def AlignAndAddPageTables(): + d = open(sys.argv[1], 'rb').read() + code = NopAlign4k(d) + topAddress = 0x100000000 - len(code) + d = ('\x90' * 4) + First4GbPageEntries(topAddress) + code + f = open(sys.argv[1], 'wb') + f.write(d) + f.close() + + AlignAndAddPageTables() + |