diff options
| author | Tom Rini <trini@konsulko.com> | 2020-12-31 22:28:09 -0500 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2020-12-31 22:28:09 -0500 |
| commit | c86b18074c9d40bfa63cda1068b6dfb810d4377d (patch) | |
| tree | 391c7d8705d38ff7f059c242b514a2cc1fdecc97 /lib/efi_loader/efi_console.c | |
| parent | 958b9e2482538ebfeb2e1161257603d4dec498cb (diff) | |
| parent | c35df7c9e43eaf5f8bf2113a58ea257291988589 (diff) | |
Merge tag 'efi-next' of https://gitlab.denx.de/u-boot/custodians/u-boot-efi into next
Pull request for UEFI sub-system for next
* UEFI capsule authentication
* UEFI capsule update on QEMU ARM
* fsuuid command for FAT file system
* bug fixes
Diffstat (limited to 'lib/efi_loader/efi_console.c')
| -rw-r--r-- | lib/efi_loader/efi_console.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/lib/efi_loader/efi_console.c b/lib/efi_loader/efi_console.c index 011accab78..705109596e 100644 --- a/lib/efi_loader/efi_console.c +++ b/lib/efi_loader/efi_console.c @@ -14,6 +14,7 @@ #include <env.h> #include <stdio_dev.h> #include <video_console.h> +#include <linux/delay.h> #define EFI_COUT_MODE_2 2 #define EFI_MAX_COUT_MODE 3 @@ -689,6 +690,17 @@ static efi_status_t efi_cin_read_key(struct efi_key_data *key) switch (ch) { case 0x1b: /* + * If a second key is received within 10 ms, assume that we are + * dealing with an escape sequence. Otherwise consider this the + * escape key being hit. 10 ms is long enough to work fine at + * 1200 baud and above. + */ + udelay(10000); + if (!tstc()) { + pressed_key.scan_code = 23; + break; + } + /* * Xterm Control Sequences * https://www.xfree86.org/4.8.0/ctlseqs.html */ |