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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-10 20:49:52 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-10 20:49:52 +0000
commit55944e5e40b1be2afc4855d8d2baf4b73d1876b5 (patch)
tree33f869f55a1b149e9b7c2b7e201867ca5dd52992 /src/boot/efi/console.h
parentInitial commit. (diff)
downloadsystemd-55944e5e40b1be2afc4855d8d2baf4b73d1876b5.tar.xz
systemd-55944e5e40b1be2afc4855d8d2baf4b73d1876b5.zip
Adding upstream version 255.4.upstream/255.4
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/boot/efi/console.h')
-rw-r--r--src/boot/efi/console.h38
1 files changed, 38 insertions, 0 deletions
diff --git a/src/boot/efi/console.h b/src/boot/efi/console.h
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+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+#pragma once
+
+#include "efi.h"
+#include "proto/simple-text-io.h"
+
+enum {
+ EFI_SHIFT_PRESSED = EFI_RIGHT_SHIFT_PRESSED|EFI_LEFT_SHIFT_PRESSED,
+ EFI_CONTROL_PRESSED = EFI_RIGHT_CONTROL_PRESSED|EFI_LEFT_CONTROL_PRESSED,
+ EFI_ALT_PRESSED = EFI_RIGHT_ALT_PRESSED|EFI_LEFT_ALT_PRESSED,
+ EFI_LOGO_PRESSED = EFI_RIGHT_LOGO_PRESSED|EFI_LEFT_LOGO_PRESSED,
+};
+
+#define KEYPRESS(keys, scan, uni) ((((uint64_t)keys) << 32) | (((uint64_t)scan) << 16) | (uni))
+#define KEYCHAR(k) ((char16_t)(k))
+#define CHAR_CTRL(c) ((c) - 'a' + 1)
+
+enum {
+ /* Console mode is a int32_t in EFI. We use int64_t to make room for our special values. */
+ CONSOLE_MODE_RANGE_MIN = 0,
+ CONSOLE_MODE_RANGE_MAX = INT32_MAX, /* This is just the theoretical limit. */
+ CONSOLE_MODE_INVALID = -1, /* UEFI uses -1 if the device is not in a valid text mode. */
+
+ CONSOLE_MODE_80_25 = 0, /* 80x25 is required by UEFI spec. */
+ CONSOLE_MODE_80_50 = 1, /* 80x50 may be supported. */
+ CONSOLE_MODE_FIRMWARE_FIRST = 2, /* First custom mode, if supported. */
+
+ /* These are our own mode values that map to concrete values at runtime. */
+ CONSOLE_MODE_KEEP = CONSOLE_MODE_RANGE_MAX + 1LL,
+ CONSOLE_MODE_NEXT,
+ CONSOLE_MODE_AUTO,
+ CONSOLE_MODE_FIRMWARE_MAX, /* 'max' in config. */
+};
+
+EFI_STATUS console_key_read(uint64_t *key, uint64_t timeout_usec);
+EFI_STATUS console_set_mode(int64_t mode);
+EFI_STATUS console_query_mode(size_t *x_max, size_t *y_max);
+EFI_STATUS query_screen_resolution(uint32_t *ret_width, uint32_t *ret_height);