Add and use plat_crash_console_flush() API
This API makes sure that all the characters sent to the crash console
are output before returning from it.
Porting guide updated.
Change-Id: I1785f970a40f6aacfbe592b6a911b1f249bb2735
Signed-off-by: Antonio Nino Diaz <antonio.ninodiaz@arm.com>
diff --git a/plat/common/aarch32/platform_helpers.S b/plat/common/aarch32/platform_helpers.S
index 802e1fe..357719b 100644
--- a/plat/common/aarch32/platform_helpers.S
+++ b/plat/common/aarch32/platform_helpers.S
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2016, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2016-2017, ARM Limited and Contributors. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
@@ -31,6 +31,9 @@
#include <arch.h>
#include <asm_macros.S>
+ .weak plat_crash_console_init
+ .weak plat_crash_console_putc
+ .weak plat_crash_console_flush
.weak plat_reset_handler
.weak plat_disable_acp
.weak platform_mem_init
@@ -41,6 +44,35 @@
* each platform.
* -----------------------------------------------------
*/
+func plat_crash_console_init
+ mov r0, #0
+ bx lr
+endfunc plat_crash_console_init
+
+ /* -----------------------------------------------------
+ * Placeholder function which should be redefined by
+ * each platform.
+ * -----------------------------------------------------
+ */
+func plat_crash_console_putc
+ bx lr
+endfunc plat_crash_console_putc
+
+ /* -----------------------------------------------------
+ * Placeholder function which should be redefined by
+ * each platform.
+ * -----------------------------------------------------
+ */
+func plat_crash_console_flush
+ mov r0, #0
+ bx lr
+endfunc plat_crash_console_flush
+
+ /* -----------------------------------------------------
+ * Placeholder function which should be redefined by
+ * each platform.
+ * -----------------------------------------------------
+ */
func plat_reset_handler
bx lr
endfunc plat_reset_handler
diff --git a/plat/common/aarch64/platform_helpers.S b/plat/common/aarch64/platform_helpers.S
index 68bda22..ce47738 100644
--- a/plat/common/aarch64/platform_helpers.S
+++ b/plat/common/aarch64/platform_helpers.S
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2013-2016, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2013-2017, ARM Limited and Contributors. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
@@ -35,6 +35,7 @@
.weak plat_report_exception
.weak plat_crash_console_init
.weak plat_crash_console_putc
+ .weak plat_crash_console_flush
.weak plat_reset_handler
.weak plat_disable_acp
.weak bl1_plat_prepare_exit
@@ -98,6 +99,15 @@
/* -----------------------------------------------------
* Placeholder function which should be redefined by
+ * each platform.
+ * -----------------------------------------------------
+ */
+func plat_crash_console_flush
+ ret
+endfunc plat_crash_console_flush
+
+ /* -----------------------------------------------------
+ * Placeholder function which should be redefined by
* each platform. This function should preserve x19 - x29.
* -----------------------------------------------------
*/