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Deprecate weak crash console functions

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The default behaviour of the plat_crash_console_xxx functions isn't
obvious to someone that hasn't read all the documentation. As they are
not mandatory, it is unlikely that the code will be checked when doing a
platform port, which may mean that some platforms may not have crash
console support at all.

The idea of this patch is to force platform maintainers to decide how
the crash console has to behave so that the final behaviour isn't
unexpected.

Change-Id: I40b2a7b56c5530c1dcd63eace5bd37ae6335056e
Signed-off-by: Antonio Nino Diaz <antonio.ninodiaz@arm.com>
This commit is contained in:
Antonio Nino Diaz 2018-10-17 16:49:26 +01:00
parent a9d5a3ff01
commit e74afb652c
2 changed files with 8 additions and 0 deletions
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4
plat/common/aarch32/platform_helpers.S
View file

@ -8,9 +8,11 @@
#include <asm_macros.S>
.weak plat_report_exception
#if !ERROR_DEPRECATED
.weak plat_crash_console_init
.weak plat_crash_console_putc
.weak plat_crash_console_flush
#endif
.weak plat_reset_handler
.weak plat_disable_acp
.weak bl1_plat_prepare_exit
@ -26,6 +28,7 @@ func plat_report_exception
bx lr
endfunc plat_report_exception
#if !ERROR_DEPRECATED
/* -----------------------------------------------------
* Placeholder function which should be redefined by
* each platform.
@ -54,6 +57,7 @@ func plat_crash_console_flush
mov r0, #0
bx lr
endfunc plat_crash_console_flush
#endif
/* -----------------------------------------------------
* Placeholder function which should be redefined by

4
plat/common/aarch64/platform_helpers.S
View file

@ -10,9 +10,11 @@
#include <platform_def.h>
.weak plat_report_exception
#if !ERROR_DEPRECATED
.weak plat_crash_console_init
.weak plat_crash_console_putc
.weak plat_crash_console_flush
#endif
.weak plat_reset_handler
.weak plat_disable_acp
.weak bl1_plat_prepare_exit
@ -37,6 +39,7 @@ func plat_report_exception
ret
endfunc plat_report_exception
#if !ERROR_DEPRECATED
#if MULTI_CONSOLE_API
/* -----------------------------------------------------
* int plat_crash_console_init(void)
@ -109,6 +112,7 @@ func plat_crash_console_flush
ret
endfunc plat_crash_console_flush
#endif
#endif /* ERROR_DEPRECATED */
/* -----------------------------------------------------
* Placeholder function which should be redefined by