[GRUB PATCH RFC 07/18] i386/tpm: Rename tpm module to tpm_verifier

From: Daniel Kiper
Date: Mon May 04 2020 - 19:24:56 EST


..to avoid naming collision with TPM TIS and CRB driver introduced
by subsequent patch.

Signed-off-by: Daniel Kiper <daniel.kiper@xxxxxxxxxx>
---
docs/grub.texi | 15 ++++++++-------
grub-core/Makefile.core.def | 4 ++--
grub-core/commands/{tpm.c => tpm_verifier.c} | 6 +++---
3 files changed, 13 insertions(+), 12 deletions(-)
rename grub-core/commands/{tpm.c => tpm_verifier.c} (96%)

diff --git a/docs/grub.texi b/docs/grub.texi
index d6408d242..395431bce 100644
--- a/docs/grub.texi
+++ b/docs/grub.texi
@@ -5940,10 +5940,10 @@ it cannot be unloaded if it was loaded into the memory.
@node Measured Boot
@section Measuring boot components

-If the tpm module is loaded and the platform has a Trusted Platform Module
-installed, GRUB will log each command executed and each file loaded into the
-TPM event log and extend the PCR values in the TPM correspondingly. All events
-will be logged into the PCR described below with a type of EV_IPL and an
+If the tpm_verifier module is loaded and the platform has a Trusted Platform
+Module installed, GRUB will log each command executed and each file loaded into
+the TPM event log and extend the PCR values in the TPM correspondingly. All
+events will be logged into the PCR described below with a type of EV_IPL and an
event description as described below.

@multitable @columnfractions 0.3 0.1 0.6
@@ -5968,9 +5968,10 @@ corresponding to the filename.

GRUB will not measure its own @file{core.img} - it is expected that firmware
will carry this out. GRUB will also not perform any measurements until the
-tpm module is loaded. As such it is recommended that the tpm module be built
-into @file{core.img} in order to avoid a potential gap in measurement between
-@file{core.img} being loaded and the tpm module being loaded.
+tpm_verifier module is loaded. As such it is recommended that the tpm_verifier
+module be built into @file{core.img} in order to avoid a potential gap in
+measurement between @file{core.img} being loaded and the tpm_verifier module
+being loaded.

Measured boot is currently only supported on EFI platforms.

diff --git a/grub-core/Makefile.core.def b/grub-core/Makefile.core.def
index 48b82e763..b74a34f0c 100644
--- a/grub-core/Makefile.core.def
+++ b/grub-core/Makefile.core.def
@@ -2497,8 +2497,8 @@ module = {
};

module = {
- name = tpm;
- common = commands/tpm.c;
+ name = tpm_verifier;
+ common = commands/tpm_verifier.c;
efi = commands/efi/tpm.c;
enable = x86_64_efi;
};
diff --git a/grub-core/commands/tpm.c b/grub-core/commands/tpm_verifier.c
similarity index 96%
rename from grub-core/commands/tpm.c
rename to grub-core/commands/tpm_verifier.c
index 1441c494d..6fff17720 100644
--- a/grub-core/commands/tpm.c
+++ b/grub-core/commands/tpm_verifier.c
@@ -85,18 +85,18 @@ grub_tpm_verify_string (char *str, enum grub_verify_string_type type)
}

struct grub_file_verifier grub_tpm_verifier = {
- .name = "tpm",
+ .name = "tpm_verifier",
.init = grub_tpm_verify_init,
.write = grub_tpm_verify_write,
.verify_string = grub_tpm_verify_string,
};

-GRUB_MOD_INIT (tpm)
+GRUB_MOD_INIT (tpm_verifier)
{
grub_verifier_register (&grub_tpm_verifier);
}

-GRUB_MOD_FINI (tpm)
+GRUB_MOD_FINI (tpm_verifier)
{
grub_verifier_unregister (&grub_tpm_verifier);
}
--
2.11.0