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| author | Jan Janssen <medhefgo@web.de> | 2022-06-05 15:31:01 +0200 |
|---|---|---|
| committer | Jan Janssen <medhefgo@web.de> | 2022-10-12 13:19:34 +0200 |
| commit | 3b3eb196a2480b2671dcd6c14792fefc48f1abb1 (patch) | |
| tree | 6933f7a1fa7d9e815215e74baa9c05c03f23a883 /src/boot | |
| parent | 6c65a9e1d6b84fec4ff01d0794607377e600b353 (diff) | |
| download | systemd-3b3eb196a2480b2671dcd6c14792fefc48f1abb1.tar.gz | |
boot: Add device_path_to_str
Diffstat (limited to 'src/boot')
| -rw-r--r-- | src/boot/efi/util.c | 19 | ||||
| -rw-r--r-- | src/boot/efi/util.h | 1 |
2 files changed, 20 insertions, 0 deletions
diff --git a/src/boot/efi/util.c b/src/boot/efi/util.c index e17a8e18a4..5547d288de 100644 --- a/src/boot/efi/util.c +++ b/src/boot/efi/util.c @@ -769,6 +769,25 @@ EFI_STATUS make_file_device_path(EFI_HANDLE device, const char16_t *file, EFI_DE return EFI_SUCCESS; } +EFI_STATUS device_path_to_str(const EFI_DEVICE_PATH *dp, char16_t **ret) { + EFI_DEVICE_PATH_TO_TEXT_PROTOCOL *dp_to_text; + EFI_STATUS err; + + assert(dp); + assert(ret); + + err = BS->LocateProtocol(&(EFI_GUID) EFI_DEVICE_PATH_TO_TEXT_PROTOCOL_GUID, NULL, (void **) &dp_to_text); + if (err != EFI_SUCCESS) + return err; + + char16_t *str = dp_to_text->ConvertDevicePathToText(dp, false, false); + if (!str) + return EFI_OUT_OF_RESOURCES; + + *ret = str; + return EFI_SUCCESS; +} + #if defined(__i386__) || defined(__x86_64__) bool in_hypervisor(void) { uint32_t eax, ebx, ecx, edx; diff --git a/src/boot/efi/util.h b/src/boot/efi/util.h index be79b205a4..b33c50f9fc 100644 --- a/src/boot/efi/util.h +++ b/src/boot/efi/util.h @@ -207,6 +207,7 @@ static inline void beep(UINTN beep_count) {} EFI_STATUS open_volume(EFI_HANDLE device, EFI_FILE **ret_file); EFI_STATUS make_file_device_path(EFI_HANDLE device, const char16_t *file, EFI_DEVICE_PATH **ret_dp); +EFI_STATUS device_path_to_str(const EFI_DEVICE_PATH *dp, char16_t **ret); #if defined(__i386__) || defined(__x86_64__) bool in_hypervisor(void); |