From mboxrd@z Thu Jan  1 00:00:00 1970
From: Pavel Machek <pavel@denx.de>
Date: Mon, 6 Apr 2015 20:14:44 +0200
Subject: [U-Boot] printf("%d") breaks u-boot 2015.01+
In-Reply-To: <201504061659.55725.marex@denx.de>
References: <1427752878-18426-1-git-send-email-dinguyen@opensource.altera.com>
 <20150406144009.GA23259@amd> <201504061659.55725.marex@denx.de>
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On Mon 2015-04-06 16:59:55, Marek Vasut wrote:
> On Monday, April 06, 2015 at 04:40:09 PM, Pavel Machek wrote:
> > Hi!
> > 
> > In u-boot 2015.04-rc, as soon as execution hits printf("%d"), it
> > hangs. (Usually, that's after "DRAM: " message).
> 
> printf("%d") expects an argument, so could it be that it touches
> random piece of memory and thus hangs?

It had an argument, sorry for confusion. I was actually doing this:
the test with %s works, the one with %d kills it.

I suspect too small stack...?

								Pavel

 int dram_init(void)
 {
 printf("dram init: print size\n");
 -  //  printf("printf test: %x\n", 0x12345678);
 -  //  printf("dram_init... %x\n", PHYS_SDRAM_1_SIZE);
 -  gd->ram_size = PHYS_SDRAM_1_SIZE /2; //get_ram_size((long *)PHYS_SDRAM_1, PHYS_SDRAM_1_SIZE);
  +  printf("printf test: %x\n", 0x12345678);
  +  printf("dram_init... %x\n", PHYS_SDRAM_1_SIZE);
  +  gd->ram_size = get_ram_size((long *)PHYS_SDRAM_1,
  PHYS_SDRAM_1_SIZE);
 printf("dram init: ram size set\n");
 return 0;
 }
@@ -108,6 +108,9 @@ int cpu_mmc_init(bd_t *bis)
 int print_cpuinfo(void)
 {
 puts("CPU:   Altera SoCFPGA Platform\n");
 +  printf("printf test string: %s\n", "ahoj");
 +  printf("printf test: %d\n", 1234567);
 +  printf("printf test: %x\n", 0x12345678);
 return 0;
 }

				 

-- 
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