2020-07-21 10:23:41 +00:00
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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Hans de Goede <hdegoede@redhat.com>
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Date: Fri, 15 Jun 2018 09:25:00 +0200
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Subject: [PATCH] TPM: Fix hash_log_extend_event function prototype
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The DataToHash argument is a efi_physical_address, not a *pointer* to
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a efi_physical_address.
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This distinction is important for 32 bits builds, where the pointer is
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only 32 bits where as an efi_physical_address is 64 bits.
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Fixing this fixes the tpm code not working with 32 bits build and grub
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showing multiple:
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error: Invalid parameter
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Messages during boot, followed by a "press any key to continue" message.
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Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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---
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grub-core/kern/efi/tpm.c | 2 +-
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include/grub/efi/tpm.h | 2 +-
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2 files changed, 2 insertions(+), 2 deletions(-)
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diff --git a/grub-core/kern/efi/tpm.c b/grub-core/kern/efi/tpm.c
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2022-05-10 07:20:45 +00:00
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index c9fb3c133..36e1f69df 100644
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2020-07-21 10:23:41 +00:00
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--- a/grub-core/kern/efi/tpm.c
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+++ b/grub-core/kern/efi/tpm.c
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@@ -245,7 +245,7 @@ grub_tpm2_log_event(grub_efi_handle_t tpm_handle, unsigned char *buf,
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event->Size = sizeof(*event) - sizeof(event->Event) + grub_strlen(description) + 1;
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grub_memcpy(event->Event, description, grub_strlen(description) + 1);
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- status = efi_call_5 (tpm->hash_log_extend_event, tpm, 0, buf,
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+ status = efi_call_5 (tpm->hash_log_extend_event, tpm, 0, (unsigned long) buf,
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(grub_uint64_t) size, event);
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switch (status) {
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diff --git a/include/grub/efi/tpm.h b/include/grub/efi/tpm.h
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2022-05-10 07:20:45 +00:00
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index e2aff4a3c..63d8a0fe7 100644
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2020-07-21 10:23:41 +00:00
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--- a/include/grub/efi/tpm.h
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+++ b/include/grub/efi/tpm.h
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@@ -129,7 +129,7 @@ struct grub_efi_tpm2_protocol
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grub_efi_boolean_t *EventLogTruncated);
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grub_efi_status_t (*hash_log_extend_event) (struct grub_efi_tpm2_protocol *this,
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grub_efi_uint64_t Flags,
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- grub_efi_physical_address_t *DataToHash,
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+ grub_efi_physical_address_t DataToHash,
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grub_efi_uint64_t DataToHashLen,
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EFI_TCG2_EVENT *EfiTcgEvent);
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grub_efi_status_t (*submit_command) (struct grub_efi_tpm2_protocol *this,
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