[coreboot] [PATCH] The function int15 working on the Technexion's tim5690.
Libra Li
librali1977 at gmail.com
Tue Dec 22 10:38:52 CET 2009
Hi Marc Jones,
This is a new patch file. I modified mainboard_interrupt_handlers and
setup_interrupt_handlers in the "util/x86emu/x86.c".
Thanks.
Libra.
2009/12/22 Libra Li <librali1977 at gmail.com>
> Hi Marc Jones,
>
> 1.
> +typedef struct {
> + int mask[256];
> + int (*intXX_handler[256])(struct eregs *regs);
> +}interrupt_handlers;
>
> The mainboard_interrupt_handlers need modification if the
> structure is not needed.
>
> 2.
> + if(!(*intXX_handler))
>
> + {
> + /* Set up C interrupt handlers */
> + setup_interrupt_handlers();
> + }
>
> Yes, this is because mainboard_interrupt_handlers gets called
> first.
>
>
> 2009/12/22 Marc Jones <marcj303 at gmail.com>
>
> On Mon, Dec 21, 2009 at 6:15 PM, Libra Li <librali1977 at gmail.com> wrote:
>> > Hi,
>> >
>> > The VGA BIOS is through int15 getting LCD panel ID. Then the VBIOS
>> call
>> > int15's "Get LCD panel ID".
>> > The panel ID is selection by switch.
>> > This function is reference "AMD RS690 ASIC Family BIOS Developer's
>> > Guide".
>> >
>> > Thanks.
>> >
>> > Signed-off-by: Libra Li <libra.li at technexion.com>
>>
>> Hi Libra Li,
>>
>> Thanks for making these changes. I like the idea of the mainboard
>> interrupt function. I have a few comments.
>>
>> +typedef struct {
>> + int mask[256];
>> + int (*intXX_handler[256])(struct eregs *regs);
>> +}interrupt_handlers;
>>
>> This is a really big structure and probably not needed. I don't think
>> anyone would override every interrupt vector, just one or two like you
>> are doing. Maybe just use a table that has the interrupt and function
>> pointer.
>>
>>
>> + if(!(*intXX_handler))
>> + {
>> + /* Set up C interrupt handlers */
>> + setup_interrupt_handlers();
>> + }
>> +
>>
>> Is this because mainboard_interrupt_handlers gets called first and the
>> interrupts are over written? It would be better if the defaults could
>> always be loaded and then the main board interrupts get fixed up.
>>
>> Thanks,
>> Marc
>>
>>
>> --
>> http://marcjonesconsulting.com
>>
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://www.coreboot.org/pipermail/coreboot/attachments/20091222/1f5e56c4/attachment.html>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: tim5690_vbios_int15_5.patch
Type: text/x-patch
Size: 14940 bytes
Desc: not available
URL: <http://www.coreboot.org/pipermail/coreboot/attachments/20091222/1f5e56c4/attachment.patch>
More information about the coreboot
mailing list