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src/boot/console.h
39 строк
2 KB
Daan De Meyer
stub: Determine the correct serial console from the ACPI device path
02 апр 2026, 15:58
02 апр 2026, 15:58
e306f4d
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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 *ret_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); void cmdline_append_console(char16_t **cmdline);