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From: Ashish Ranjan <ranjan_ash@rediffmail.com>
To: u-boot@lists.denx.de
Subject: [U-Boot-Users] Malloc failed in env_relocate
Date: 3 Dec 2007 08:18:01 -0000	[thread overview]
Message-ID: <20071203081801.18136.qmail@webmail7.rediffmail.com> (raw)

 ?
Hi
I am using u-boot-1.1.5 on MIPS32 core SoC. I am getting NULL pointer as return value of malloc from env_relocate() function.

while debugging in mem_malloc_init() I come to know that mem_malloc_start= 0x81f80000 and mem_malloc_end=0xFFFFFFFF. But when i checked both the values in sbrk() which is called from malloc() i got mem_malloc_start=0xFFFFFFFF and mem_malloc_end=0xFFFFFFFF.

How it happened ?? It may be the reason for getting NULL pointer. Please help me out.

One more thing what should be the value of gd->reloc_off at mem_malloc_init().because in mem_malloc_init, mem_malloc_end = CFG_MONITOR_BASE + gd->relo_off and CFG_MONITOR_BASE is base address of Flash. In my case gd-relo_off=0xc23c0000 and CFG_MONITOR_BASE=0xBFC00000 so mem_alloc_end should be 0x181FC0000 but it is of 4byte so here is overflow and it become 0xFFFFFFFF.Is there anything wrong??

Thanks,
Ashish
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             reply	other threads:[~2007-12-03  8:18 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-12-03  8:18 Ashish Ranjan [this message]
2007-12-03  9:03 ` [U-Boot-Users] Malloc failed in env_relocate Jean-Christophe PLAGNIOL-VILLARD

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