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https://github.com/ARM-software/arm-trusted-firmware.git
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bf4698fdef
This reverts commit 2f18aa1fa35305f8feec25867473d30975b242fe. It is causing some tests to fail. Until the cause is found and fixed, it is needed to remove this commit from master. Change-Id: Ic5ff7a841903a15613e00379e87cbbd8a0e85152 Signed-off-by: Antonio Nino Diaz <antonio.ninodiaz@arm.com>
81 lines
2.7 KiB
C
81 lines
2.7 KiB
C
/*
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* Copyright (c) 2013-2018, ARM Limited and Contributors. All rights reserved.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#ifndef __CONSOLE_H__
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#define __CONSOLE_H__
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#include <utils_def.h>
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#define CONSOLE_T_NEXT (U(0) * REGSZ)
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#define CONSOLE_T_FLAGS (U(1) * REGSZ)
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#define CONSOLE_T_PUTC (U(2) * REGSZ)
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#define CONSOLE_T_GETC (U(3) * REGSZ)
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#define CONSOLE_T_FLUSH (U(4) * REGSZ)
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#define CONSOLE_T_DRVDATA (U(5) * REGSZ)
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#define CONSOLE_FLAG_BOOT BIT(0)
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#define CONSOLE_FLAG_RUNTIME BIT(1)
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#define CONSOLE_FLAG_CRASH BIT(2)
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/* Bits 3 to 7 reserved for additional scopes in future expansion. */
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#define CONSOLE_FLAG_SCOPE_MASK ((U(1) << 8) - 1)
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/* Bits 8 to 31 reserved for non-scope use in future expansion. */
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/* Returned by getc callbacks when receive FIFO is empty. */
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#define ERROR_NO_PENDING_CHAR (-1)
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/* Returned by console_xxx() if no registered console implements xxx. */
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#define ERROR_NO_VALID_CONSOLE (-128)
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#ifndef __ASSEMBLY__
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#include <types.h>
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typedef struct console {
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struct console *next;
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u_register_t flags;
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int (*putc)(int character, struct console *console);
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int (*getc)(struct console *console);
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int (*flush)(struct console *console);
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/* Additional private driver data may follow here. */
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} console_t;
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#include <console_assertions.h> /* offset macro assertions for console_t */
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/*
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* NOTE: There is no publicly accessible console_register() function. Consoles
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* are registered by directly calling the register function of a specific
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* implementation, e.g. console_16550_register() from <uart_16550.h>. Consoles
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* registered that way can be unregistered/reconfigured with below functions.
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*/
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/* Remove a single console_t instance from the console list. */
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int console_unregister(console_t *console);
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/* Returns 1 if this console is already registered, 0 if not */
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int console_is_registered(console_t *console);
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/*
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* Set scope mask of a console that determines in what states it is active.
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* By default they are registered with (CONSOLE_FLAG_BOOT|CONSOLE_FLAG_CRASH).
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*/
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void console_set_scope(console_t *console, unsigned int scope);
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/* Switch to a new global console state (CONSOLE_FLAG_BOOT/RUNTIME/CRASH). */
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void console_switch_state(unsigned int new_state);
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/* Output a character on all consoles registered for the current state. */
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int console_putc(int c);
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/* Read a character (blocking) from any console registered for current state. */
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int console_getc(void);
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/* Flush all consoles registered for the current state. */
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int console_flush(void);
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#if !MULTI_CONSOLE_API
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/* REMOVED on AArch64 -- use console_<driver>_register() instead! */
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int console_init(uintptr_t base_addr,
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unsigned int uart_clk, unsigned int baud_rate);
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void console_uninit(void);
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#endif
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#endif /* __ASSEMBLY__ */
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#endif /* __CONSOLE_H__ */
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