diff options
| author | Heinrich Schuchardt <xypron.glpk@gmx.de> | 2021-03-19 02:49:54 +0100 |
|---|---|---|
| committer | Heinrich Schuchardt <xypron.glpk@gmx.de> | 2021-03-19 20:54:40 +0100 |
| commit | 62df6e9c9994c66efd34afe710a64de27dd120bc (patch) | |
| tree | e991158345b91c597671f18424bc27f95822eae4 /lib/efi_loader/efi_device_path_to_text.c | |
| parent | a95f4c88599176d9a88dc19c02fa8dd95003eebf (diff) | |
efi_loader: Uart device path
When uploading an EFI binary via the UART we need to assign a device path.
* Provide devicepath node to text conversion for Uart() node.
* Provide function to create Uart() device path.
* Add UART support to efi_dp_from_name().
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Diffstat (limited to 'lib/efi_loader/efi_device_path_to_text.c')
| -rw-r--r-- | lib/efi_loader/efi_device_path_to_text.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/lib/efi_loader/efi_device_path_to_text.c b/lib/efi_loader/efi_device_path_to_text.c index edc9fdc3870..43554cd771b 100644 --- a/lib/efi_loader/efi_device_path_to_text.c +++ b/lib/efi_loader/efi_device_path_to_text.c @@ -118,6 +118,19 @@ static char *dp_msging(char *s, struct efi_device_path *dp) ide->logical_unit_number); break; } + case DEVICE_PATH_SUB_TYPE_MSG_UART: { + struct efi_device_path_uart *uart = + (struct efi_device_path_uart *)dp; + s += sprintf(s, "Uart(%lld,%d,%d,", uart->baud_rate, + uart->data_bits, uart->parity); + switch (uart->stop_bits) { + case 2: + s += sprintf(s, "1.5)"); + default: + s += sprintf(s, "%d)", uart->stop_bits); + } + break; + } case DEVICE_PATH_SUB_TYPE_MSG_USB: { struct efi_device_path_usb *udp = (struct efi_device_path_usb *)dp; |