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| author | Heinrich Schuchardt <xypron.glpk@gmx.de> | 2018-09-12 00:05:32 +0200 |
|---|---|---|
| committer | Alexander Graf <agraf@suse.de> | 2018-09-23 21:55:30 +0200 |
| commit | 35cbb796aa85dadeb5451104c536a33acf1ebcfe (patch) | |
| tree | 454c631a5c4590fd5c0246c76f4a4fd3fb02bc81 /lib/efi_loader/efi_console.c | |
| parent | cce289a928583a64db6ec8f813cc7884ae62c213 (diff) | |
| download | u-boot-35cbb796aa85dadeb5451104c536a33acf1ebcfe.zip u-boot-35cbb796aa85dadeb5451104c536a33acf1ebcfe.tar.gz u-boot-35cbb796aa85dadeb5451104c536a33acf1ebcfe.tar.bz2 | |
efi_loader: support Unicode text input
Up to now the EFI_TEXT_INPUT_PROTOCOL only supported ASCII characters.
With the patch it can consume UTF-8 from the console.
Currently only the serial console and the console can deliver UTF-8.
Local consoles are restricted to ASCII.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
Diffstat (limited to 'lib/efi_loader/efi_console.c')
| -rw-r--r-- | lib/efi_loader/efi_console.c | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/lib/efi_loader/efi_console.c b/lib/efi_loader/efi_console.c index 3ca6fe5..6af0839 100644 --- a/lib/efi_loader/efi_console.c +++ b/lib/efi_loader/efi_console.c @@ -449,23 +449,24 @@ static efi_status_t EFIAPI efi_cin_read_key_stroke( struct efi_simple_text_input_protocol *this, struct efi_input_key *key) { + efi_status_t ret; struct efi_input_key pressed_key = { .scan_code = 0, .unicode_char = 0, }; - char ch; + s32 ch; EFI_ENTRY("%p, %p", this, key); /* We don't do interrupts, so check for timers cooperatively */ efi_timer_check(); - if (!tstc()) { - /* No key pressed */ + ret = console_read_unicode(&ch); + if (ret) return EFI_EXIT(EFI_NOT_READY); - } - - ch = getc(); + /* We do not support multi-word codes */ + if (ch >= 0x10000) + ch = '?'; if (ch == cESC) { /* * Xterm Control Sequences |