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| author | Heinrich Schuchardt <heinrich.schuchardt@canonical.com> | 2021-11-16 18:46:27 +0100 |
|---|---|---|
| committer | Heinrich Schuchardt <heinrich.schuchardt@canonical.com> | 2021-11-20 10:53:00 +0100 |
| commit | 43eaf5b13f31395afbef3ff89d99a4f6c1a2ba63 (patch) | |
| tree | fbf01e5fde05dd039df77e64d1a0efa178168cb1 | |
| parent | 5d49b32f0a34cc4c23da8060ac18345984c9b96c (diff) | |
| download | u-boot-43eaf5b13f31395afbef3ff89d99a4f6c1a2ba63.zip u-boot-43eaf5b13f31395afbef3ff89d99a4f6c1a2ba63.tar.gz u-boot-43eaf5b13f31395afbef3ff89d99a4f6c1a2ba63.tar.bz2 | |
efi_loader: EFI_EVENT_GROUP_BEFORE_EXIT_BOOT_SERVICES
Implement the EFI_EVENT_GROUP_BEFORE_EXIT_BOOT_SERVICES event group
handling.
Add the definition of EFI_EVENT_GROUP_AFTER_READY_TO_BOOT.
Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
| -rw-r--r-- | include/efi_api.h | 9 | ||||
| -rw-r--r-- | lib/efi_loader/efi_boottime.c | 13 |
2 files changed, 22 insertions, 0 deletions
diff --git a/include/efi_api.h b/include/efi_api.h index 41516cc..1e95656 100644 --- a/include/efi_api.h +++ b/include/efi_api.h @@ -360,10 +360,15 @@ struct efi_runtime_services { }; /* EFI event group GUID definitions */ + #define EFI_EVENT_GROUP_EXIT_BOOT_SERVICES \ EFI_GUID(0x27abf055, 0xb1b8, 0x4c26, 0x80, 0x48, \ 0x74, 0x8f, 0x37, 0xba, 0xa2, 0xdf) +#define EFI_EVENT_GROUP_BEFORE_EXIT_BOOT_SERVICES \ + EFI_GUID(0x8be0e274, 0x3970, 0x4b44, 0x80, 0xc5, \ + 0x1a, 0xb9, 0x50, 0x2f, 0x3b, 0xfc) + #define EFI_EVENT_GROUP_VIRTUAL_ADDRESS_CHANGE \ EFI_GUID(0x13fa7698, 0xc831, 0x49c7, 0x87, 0xea, \ 0x8f, 0x43, 0xfc, 0xc2, 0x51, 0x96) @@ -376,6 +381,10 @@ struct efi_runtime_services { EFI_GUID(0x7ce88fb3, 0x4bd7, 0x4679, 0x87, 0xa8, \ 0xa8, 0xd8, 0xde, 0xe5, 0x0d, 0x2b) +#define EFI_EVENT_GROUP_AFTER_READY_TO_BOOT \ + EFI_GUID(0x3a2a00ad, 0x98b9, 0x4cdf, 0xa4, 0x78, \ + 0x70, 0x27, 0x77, 0xf1, 0xc1, 0xb) + #define EFI_EVENT_GROUP_RESET_SYSTEM \ EFI_GUID(0x62da6a56, 0x13fb, 0x485a, 0xa8, 0xda, \ 0xa3, 0xdd, 0x79, 0x12, 0xcb, 0x6b) diff --git a/lib/efi_loader/efi_boottime.c b/lib/efi_loader/efi_boottime.c index 1823990..6fdd0ef 100644 --- a/lib/efi_loader/efi_boottime.c +++ b/lib/efi_loader/efi_boottime.c @@ -71,6 +71,9 @@ const efi_guid_t efi_guid_driver_binding_protocol = /* event group ExitBootServices() invoked */ const efi_guid_t efi_guid_event_group_exit_boot_services = EFI_EVENT_GROUP_EXIT_BOOT_SERVICES; +/* event group before ExitBootServices() invoked */ +const efi_guid_t efi_guid_event_group_before_exit_boot_services = + EFI_EVENT_GROUP_BEFORE_EXIT_BOOT_SERVICES; /* event group SetVirtualAddressMap() invoked */ const efi_guid_t efi_guid_event_group_virtual_address_change = EFI_EVENT_GROUP_VIRTUAL_ADDRESS_CHANGE; @@ -2123,6 +2126,16 @@ static efi_status_t EFIAPI efi_exit_boot_services(efi_handle_t image_handle, if (!systab.boottime) goto out; + /* Notify EFI_EVENT_GROUP_BEFORE_EXIT_BOOT_SERVICES event group. */ + list_for_each_entry(evt, &efi_events, link) { + if (evt->group && + !guidcmp(evt->group, + &efi_guid_event_group_before_exit_boot_services)) { + efi_signal_event(evt); + break; + } + } + /* Stop all timer related activities */ timers_enabled = false; |