Hi Sasha
----- On 16 Jan, 2020, at 10:26, Sascha Hauer s.hauer@xxxxxxxxxxxxxx wrote:
> On Wed, Jan 15, 2020 at 11:26:46AM +0100, Clement Leger wrote:
>> +config MALLOC_BASE
>> + hex
>> + default 0x100000000
>> +
>> +config MALLOC_SIZE
>> + hex
>> + default 0x800000
>> + prompt "malloc area size"
>> +endmenu
>
>> diff --git a/arch/k1c/lib/board.c b/arch/k1c/lib/board.c
>> new file mode 100644
>> index 000000000..d17a32614
>> --- /dev/null
>> +++ b/arch/k1c/lib/board.c
>> @@ -0,0 +1,20 @@
>> +// SPDX-License-Identifier: GPL-2.0-only
>> +/*
>> + * Copyright (C) 2019 Kalray Inc.
>> + */
>> +
>> +#include <common.h>
>> +#include <malloc.h>
>> +#include <memory.h>
>> +#include <asm-generic/memory_layout.h>
>> +
>> +
>> +void __noreturn k1c_start_barebox(void)
>> +{
>> + mem_malloc_init((void *)CONFIG_MALLOC_BASE,
>> + (void *)(CONFIG_MALLOC_BASE + MALLOC_SIZE - 1));
>
> You could extract valid memory from the device tree instead and pick
> some memory for malloc there. See of_find_mem() how this can be done.
I think we are going to bite our tail here since of_unflatten_dtb does
some xzalloc to unflatten the DTB so we need to initialize the malloc
allocator before accessing DTB.
>
> Sascha
>
>
> --
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