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| author | Rebecca Cran <rebecca@bsdio.com> | 2020-07-12 23:41:31 -0600 |
|---|---|---|
| committer | mergify[bot] <37929162+mergify[bot]@users.noreply.github.com> | 2020-07-31 13:03:10 +0000 |
| commit | 656419f922c047a3c48bd3f4ecea7d8e87d0b761 (patch) | |
| tree | 28fea8684780003f1434ff1b494efad1ece7a1d0 /OvmfPkg/Bhyve/FvmainCompactScratchEnd.fdf.inc | |
| parent | 137c2c6eff67f4750d77e8e40af6683c412d3ed0 (diff) | |
| download | edk2-656419f922c047a3c48bd3f4ecea7d8e87d0b761.tar.gz edk2-656419f922c047a3c48bd3f4ecea7d8e87d0b761.tar.bz2 edk2-656419f922c047a3c48bd3f4ecea7d8e87d0b761.zip | |
Add BhyvePkg, to support the bhyve hypervisor
BhyvePkg supports the bhyve hypervisor, which is a hypervisor/virtual
machine manager available on FreeBSD, macOS and Illumos.
Signed-off-by: Rebecca Cran <rebecca@bsdio.com>
Message-Id: <20200713054131.479627-2-rebecca@bsdio.com>
Acked-by: Laszlo Ersek <lersek@redhat.com>
Diffstat (limited to 'OvmfPkg/Bhyve/FvmainCompactScratchEnd.fdf.inc')
| -rw-r--r-- | OvmfPkg/Bhyve/FvmainCompactScratchEnd.fdf.inc | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/OvmfPkg/Bhyve/FvmainCompactScratchEnd.fdf.inc b/OvmfPkg/Bhyve/FvmainCompactScratchEnd.fdf.inc new file mode 100644 index 0000000000..46f5258329 --- /dev/null +++ b/OvmfPkg/Bhyve/FvmainCompactScratchEnd.fdf.inc @@ -0,0 +1,65 @@ +## @file
+# This FDF include file computes the end of the scratch buffer used in
+# DecompressMemFvs() [OvmfPkg/Sec/SecMain.c]. It is based on the decompressed
+# (ie. original) size of the LZMA-compressed section of the one FFS file in
+# the FVMAIN_COMPACT firmware volume.
+#
+# Copyright (C) 2015, Red Hat, Inc.
+#
+# SPDX-License-Identifier: BSD-2-Clause-Patent
+##
+
+# The GUID EE4E5898-3914-4259-9D6E-DC7BD79403CF means "LzmaCustomDecompress".
+# The decompressed output will have the following structure (see the file
+# "9E21FD93-9C72-4c15-8C4B-E77F1DB2D792SEC1.guided.dummy" in the
+# Build/Ovmf*/*/FV/Ffs/9E21FD93-9C72-4c15-8C4B-E77F1DB2D792/ directory):
+#
+# Size Contents
+# ------------------- --------------------------------------------------------
+# 4 EFI_COMMON_SECTION_HEADER, stating size 124 (0x7C) and
+# type 0x19 (EFI_SECTION_RAW). The purpose of this section
+# is to pad the start of PEIFV to 128 bytes.
+# 120 Zero bytes (padding).
+#
+# 4 EFI_COMMON_SECTION_HEADER, stating size
+# (PcdOvmfPeiMemFvSize + 4), and type 0x17
+# (EFI_SECTION_FIRMWARE_VOLUME_IMAGE).
+# PcdOvmfPeiMemFvSize PEIFV. Note that the above sizes pad the offset of this
+# object to 128 bytes. See also the "guided.dummy.txt"
+# file in the same directory.
+#
+# 4 EFI_COMMON_SECTION_HEADER, stating size 12 (0xC) and
+# type 0x19 (EFI_SECTION_RAW). The purpose of this section
+# is to pad the start of DXEFV to 16 bytes.
+# 8 Zero bytes (padding).
+#
+# 4 EFI_COMMON_SECTION_HEADER, stating size
+# (PcdOvmfDxeMemFvSize + 4), and type 0x17
+# (EFI_SECTION_FIRMWARE_VOLUME_IMAGE).
+# PcdOvmfDxeMemFvSize DXEFV. Note that the above sizes pad the offset of this
+# object to 16 bytes. See also the "guided.dummy.txt" file
+# in the same directory.
+#
+# The total size after decompression is (128 + PcdOvmfPeiMemFvSize + 16 +
+# PcdOvmfDxeMemFvSize).
+
+DEFINE OUTPUT_SIZE = (128 + gUefiOvmfPkgTokenSpaceGuid.PcdOvmfPeiMemFvSize + 16 + gUefiOvmfPkgTokenSpaceGuid.PcdOvmfDxeMemFvSize)
+
+# LzmaCustomDecompressLib uses a constant scratch buffer size of 64KB; see
+# SCRATCH_BUFFER_REQUEST_SIZE in
+# "MdeModulePkg/Library/LzmaCustomDecompressLib/LzmaDecompress.c".
+
+DEFINE DECOMP_SCRATCH_SIZE = 0x00010000
+
+# Note: when we use PcdOvmfDxeMemFvBase in this context, BaseTools have not yet
+# offset it with MEMFD's base address. For that reason we have to do it manually.
+#
+# The calculation below mirrors DecompressMemFvs() [OvmfPkg/Sec/SecMain.c].
+
+DEFINE OUTPUT_BASE = ($(MEMFD_BASE_ADDRESS) + gUefiOvmfPkgTokenSpaceGuid.PcdOvmfDxeMemFvBase + 0x00100000)
+DEFINE DECOMP_SCRATCH_BASE_UNALIGNED = ($(OUTPUT_BASE) + $(OUTPUT_SIZE))
+DEFINE DECOMP_SCRATCH_BASE_ALIGNMENT = 0x000FFFFF
+DEFINE DECOMP_SCRATCH_BASE_MASK = 0xFFF00000
+DEFINE DECOMP_SCRATCH_BASE = (($(DECOMP_SCRATCH_BASE_UNALIGNED) + $(DECOMP_SCRATCH_BASE_ALIGNMENT)) & $(DECOMP_SCRATCH_BASE_MASK))
+
+SET gUefiOvmfPkgTokenSpaceGuid.PcdOvmfDecompressionScratchEnd = $(DECOMP_SCRATCH_BASE) + $(DECOMP_SCRATCH_SIZE)
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