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From: Peter Mamonov <pmamonov@gmail.com>
To: Oleksij Rempel <o.rempel@pengutronix.de>
Cc: barebox@lists.infradead.org
Subject: Re: [PATCH] MIPS: use anonymous labels in ENTRY_FUNCTION_END and STOP_WITH_DEBUG_EVENT macros
Date: Thu, 6 Jun 2019 22:22:43 +0300	[thread overview]
Message-ID: <20190606192241.uxyxdxlsibtutyp4@chr> (raw)
In-Reply-To: <20190606042910.f5tl4vhprhtiwxl6@pengutronix.de>

On Thu, Jun 06, 2019 at 06:29:10AM +0200, Oleksij Rempel wrote:
> On Wed, Jun 05, 2019 at 09:38:17PM +0300, Peter Mamonov wrote:
> > 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@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)
> 
> nice!
> 
> Do you use latest barebox with dynamic relocation support?

Not yet, I'm more than 200 commits behing `next`.

Peter

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  reply	other threads:[~2019-06-06 19:23 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-06-04 10:55 Peter Mamonov
2019-06-04 12:44 ` Oleksij Rempel
2019-06-04 16:43   ` Peter Mamonov
2019-06-05  5:17     ` Oleksij Rempel
2019-06-05 18:38       ` Peter Mamonov
2019-06-06  4:29         ` Oleksij Rempel
2019-06-06 19:22           ` Peter Mamonov [this message]
2019-06-07  6:29 ` Sascha Hauer

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