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efi_loader: add ExitBootServices() measurement

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TCG PC Client PFP spec requires to measure
"Exit Boot Services Invocation" if ExitBootServices() is invoked.
Depending upon the return code from the ExitBootServices() call,
"Exit Boot Services Returned with Success" or "Exit Boot Services
Returned with Failure" is also measured.

Signed-off-by: Masahisa Kojima <masahisa.kojima@linaro.org>

Swap two ifs in efi_exit_boot_services().
efi_tcg2_notify_exit_boot_services must have EFIAPI signature.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
This commit is contained in:
Masahisa Kojima
2021-08-13 16:12:41 +09:00
committed by Heinrich Schuchardt
parent 8fc4e0b427
commit fdff03e5b3
3 changed files with 76 additions and 0 deletions
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include/efi_loader.h
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@@ -499,6 +499,7 @@ efi_status_t efi_run_image(void *source_buffer, efi_uintn_t source_size);
efi_status_t efi_init_variables(void);
/* Notify ExitBootServices() is called */
void efi_variables_boot_exit_notify(void);
efi_status_t efi_tcg2_notify_exit_boot_services_failed(void);
/* Measure efi application invocation */
efi_status_t efi_tcg2_measure_efi_app_invocation(void);
/* Measure efi application exit */