From b79af9344503b2d7b435451cfb8b1ab80b8afdf4 Mon Sep 17 00:00:00 2001 From: Soby Mathew Date: Thu, 12 Jun 2014 17:23:58 +0100 Subject: Implement a leaner printf for Trusted Firmware This patch implements a "tf_printf" which supports only the commonly used format specifiers in Trusted Firmware, which uses a lot less stack space than the stdlib printf function. Fixes ARM-software/tf-issues#116 Change-Id: I7dfa1944f4c1e634b3e2d571f49afe02d109a351 --- common/debug.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) (limited to 'common/debug.c') diff --git a/common/debug.c b/common/debug.c index 0f59ed5e..be54f5de 100644 --- a/common/debug.c +++ b/common/debug.c @@ -29,6 +29,7 @@ */ #include #include +#include #include /****************************************************************** @@ -73,7 +74,7 @@ void print_string_value(char *s, unsigned long *mem) #if DEBUG void __dead2 do_panic(const char *file, int line) { - printf("PANIC in file: %s line: %d\n", file, line); + tf_printf("PANIC in file: %s line: %d\n", file, line); while (1) ; } @@ -87,7 +88,7 @@ void __dead2 do_panic(void) /* x30 reports the next eligible instruction whereas we want the * place where panic() is invoked. Hence decrement by 4. */ - printf("PANIC in PC location 0x%016X\n", pc_reg - 0x4); + tf_printf("PANIC in PC location 0x%016X\n", pc_reg - 0x4); while (1) ; -- cgit