Bootguard 1.0 support

pkg/intel/metadata/bg/bgbootpolicy/bpmh.go

@@ -0,0 +1,39 @@
+// Copyright 2017-2023 the LinuxBoot Authors. All rights reserved
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+//go:generate manifestcodegen
+
+package bgbootpolicy
+
+import "github.com/linuxboot/fiano/pkg/intel/metadata/bg"
+
+type BPMH struct {
+	StructInfo `id:"__ACBP__" version:"0x10"`
+
+	HdrStructVersion uint8 `json:"HdrStructVersion"`
+
+	PMBPMVersion uint8 `json:"bpmhRevision"`
+
+	// PrettyString: BPM SVN
+	BPMSVN bg.SVN `json:"bpmhSNV"`
+	// PrettyString: ACM SVN Auth
+	ACMSVNAuth bg.SVN `json:"bpmhACMSVN"`
+
+	Reserved0 [1]byte `require:"0" json:"bpmhReserved0,omitempty"`
+
+	NEMDataStack Size4K `json:"bpmhNEMStackSize"`
+}
+
+// Size4K is a size in units of 4096 bytes.
+type Size4K uint16
+
+// InBytes returns the size in bytes.
+func (s Size4K) InBytes() uint32 {
+	return uint32(s) * 4096
+}
+
+// NewSize4K returns the given size as multiple of 4K
+func NewSize4K(size uint32) Size4K {
+	return Size4K(size / 4096)
+}