[PATCH] MIPS: use anonymous labels in ENTRY_FUNCTION_END and STOP_WITH_DEBUG_EVENT macros

Peter Mamonov pmamonov at gmail.com
Wed Jun 5 11:38:17 PDT 2019


On Wed, Jun 05, 2019 at 07:17:03AM +0200, Oleksij Rempel wrote:
> On Tue, Jun 04, 2019 at 07:43:12PM +0300, Peter Mamonov wrote:
> > Hi, Oleksij,
> > 
> > On Tue, Jun 04, 2019 at 02:44:57PM +0200, Oleksij Rempel wrote:
> > > On Tue, Jun 04, 2019 at 01:55:52PM +0300, Peter Mamonov wrote:
> > > > Use of global labels of the same name inside ENTRY_FUNCTION_END and
> > > > STOP_WITH_DEBUG_EVENT prevents simultaneous use of both macros. It also
> > > > prevents multiple use of one of them.
> > > 
> > > Reviewed-by: Oleksij Rempel <o.rempel at pengutronix.de>
> > > 
> > > @Peter, Do you use STOP_WITH_DEBUG_EVENT for something?
> > 
> > Actually no. I hit this problem when tried to use ENTRY_FUNCTION_END twice to 
> > choose relevant DTB depending on some conditions.
> 
> was you able to implement it?

Yes, something like this:

		<test a condition, put result into t0>

		beq	t0, zero, use_other_dtb
		 nop

		ENTRY_FUNCTION_END(BOARD_PBL_START, some_dtb)

	use_other_dtb:
		ENTRY_FUNCTION_END(BOARD_PBL_START, other_dtb)

Regards,
Peter

> 
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