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feat(console): introduce EARLY_CONSOLE

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This is a generic porting of what was done on ST platforms with flag
STM32MP_EARLY_CONSOLE. It creates the flag and the prototype for
plat_setup_early_console(). This function depends on platform
implementation. This function call is added at the beginning of each BL
image early setup function.
The patch also introduce an extra log macro: EARLY_ERROR. This can
replace ERROR macro in code that will only be executed before the
default console is enabled, and will do nothing when the EARLY_CONSOLE
is not enabled. This can then save some space in memory.

Signed-off-by: Yann Gautier <yann.gautier@st.com>
Change-Id: I77bf0a0c4289b4c7df94e4bfb783a938e05bf023
This commit is contained in:
Yann Gautier 2024-01-16 19:39:31 +01:00
parent a1255c7585
commit ae770fedf4
11 changed files with 62 additions and 7 deletions
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8
include/common/debug.h
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2013-2023, Arm Limited and Contributors. All rights reserved.
* Copyright (c) 2013-2024, Arm Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
@ -91,6 +91,12 @@
# define VERBOSE(...) no_tf_log(LOG_MARKER_VERBOSE __VA_ARGS__)
#endif
#if EARLY_CONSOLE
#define EARLY_ERROR(...) ERROR(__VA_ARGS__)
#else /* !EARLY_CONSOLE */
#define EARLY_ERROR(...) no_tf_log(LOG_MARKER_ERROR __VA_ARGS__)
#endif /* EARLY_CONSOLE */
const char *get_el_str(unsigned int el);
#if ENABLE_BACKTRACE