On 02/12/2013 04:23:21 PM, Simon Glass wrote:
+Albert
Hi Scott,
On Tue, Feb 12, 2013 at 12:29 PM, Scott Wood
<scottw...@freescale.com> wrote:
> On 02/08/2013 09:12:08 AM, Simon Glass wrote:
>>
>> This adds secondary program loader support to the generic board.
>>
>> Signed-off-by: Simon Glass <s...@chromium.org>
>> ---
>> Changes in v5: None
>> Changes in v4: None
>> Changes in v3: None
>> Changes in v2: None
>>
>> common/board_f.c | 20 ++++++++++++++++++++
>> 1 file changed, 20 insertions(+)
>>
>> diff --git a/common/board_f.c b/common/board_f.c
>> index aa10f4b..3a8036f 100644
>> --- a/common/board_f.c
>> +++ b/common/board_f.c
>> @@ -309,6 +309,7 @@ static int reserve_uboot(void)
>> return 0;
>> }
>>
>> +#ifndef CONFIG_SPL_BUILD
>> /* reserve memory for malloc() area */
>> static int reserve_malloc(void)
>> {
>> @@ -328,6 +329,7 @@ static int reserve_board(void)
>> sizeof(bd_t), gd->dest_addr_sp);
>> return 0;
>> }
>> +#endif
>>
>> static int setup_machine(void)
>> {
>> @@ -365,6 +367,7 @@ static int reserve_fdt(void)
>> return 0;
>> }
>>
>> +#ifndef CONFIG_SPL_BUILD
>> static int reserve_stacks(void)
>> {
>> /* setup stack pointer for exceptions */
>> @@ -384,6 +387,17 @@ static int reserve_stacks(void)
>>
>> return 0;
>> }
>> +#endif
>> +
>> +#ifdef CONFIG_SPL_BUILD
>> +static int reserve_stacks_spl(void)
>> +{
>> + /* Why not -= ? */
>> + gd->dest_addr_sp += 128; /* leave 32 words for
abort-stack
>> */
>> + gd->irq_sp = gd->dest_addr_sp;
>> + return 0;
>> +}
>> +#endif
>
>
> "abort-stack" doesn't sound very generic, and that "why not"
question should
> probably be answered.
I'm not sure what you mean by the first comment.
It's ARM-specific terminology ("exception" is more typical than "abort"
elsewhere). Why 32 words, BTW? Why is it larger in SPL versus non-SPL?
-Scott
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