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-rw-r--r--util/cbfstool/fit.c20
-rw-r--r--util/cbfstool/fit.h1
2 files changed, 21 insertions, 0 deletions
diff --git a/util/cbfstool/fit.c b/util/cbfstool/fit.c
index 8ed24943b8..d4e48f1946 100644
--- a/util/cbfstool/fit.c
+++ b/util/cbfstool/fit.c
@@ -17,6 +17,7 @@
#define FIT_HEADER_VERSION 0x0100
#define FIT_HEADER_ADDRESS "_FIT_ "
#define FIT_MICROCODE_VERSION 0x0100
+#define FIT_PLATFORM_BOOT_POLICY_VERSION 0x0100
#define FIT_TXT_VERSION 0x0100
#define FIT_SIZE_ALIGNMENT 16
@@ -367,6 +368,18 @@ static void update_fit_bios_acm_entry(struct fit_table *fit,
fit_entry_add_size(&fit->header, sizeof(struct fit_entry));
}
+static void update_fit_pbp_entry(struct fit_table *fit,
+ struct fit_entry *entry,
+ const uint64_t pbp_addr)
+{
+ entry->address = pbp_addr;
+ entry->size_reserved = 0;
+ entry->type_checksum_valid = FIT_TYPE_PLATFORM_BOOT_POLICY;
+ entry->version = FIT_PLATFORM_BOOT_POLICY_VERSION;
+ entry->checksum = 0;
+ fit_entry_add_size(&fit->header, sizeof(struct fit_entry));
+}
+
/*
* In case there's a FIT_TYPE_BIOS_ACM entry, at least one
* FIT_TYPE_BIOS_STARTUP entry must exist.
@@ -607,6 +620,9 @@ int fit_dump(struct fit_table *fit)
case FIT_TYPE_BIOS_ACM:
name = "BIOS ACM";
break;
+ case FIT_TYPE_PLATFORM_BOOT_POLICY:
+ name = "Platform Boot Policy";
+ break;
case FIT_TYPE_BIOS_STARTUP:
name = "BIOS Startup Module";
break;
@@ -676,6 +692,7 @@ int fit_is_supported_type(const enum fit_type type)
switch (type) {
case FIT_TYPE_MICROCODE:
case FIT_TYPE_BIOS_ACM:
+ case FIT_TYPE_PLATFORM_BOOT_POLICY:
case FIT_TYPE_BIOS_STARTUP:
case FIT_TYPE_BIOS_POLICY:
case FIT_TYPE_TXT_POLICY:
@@ -728,6 +745,9 @@ int fit_add_entry(struct fit_table *fit,
case FIT_TYPE_BIOS_ACM:
update_fit_bios_acm_entry(fit, entry, offset);
break;
+ case FIT_TYPE_PLATFORM_BOOT_POLICY:
+ update_fit_pbp_entry(fit, entry, offset);
+ break;
case FIT_TYPE_BIOS_STARTUP:
update_fit_bios_startup_entry(fit, entry, offset, len);
break;
diff --git a/util/cbfstool/fit.h b/util/cbfstool/fit.h
index a0c956cac5..6d7681f710 100644
--- a/util/cbfstool/fit.h
+++ b/util/cbfstool/fit.h
@@ -15,6 +15,7 @@ enum fit_type {
FIT_TYPE_HEADER = 0,
FIT_TYPE_MICROCODE = 1,
FIT_TYPE_BIOS_ACM = 2,
+ FIT_TYPE_PLATFORM_BOOT_POLICY = 4,
FIT_TYPE_BIOS_STARTUP = 7,
FIT_TYPE_TPM_POLICY = 8,
FIT_TYPE_BIOS_POLICY = 9,