From: Sascha Hauer <s.hauer@pengutronix.de>
To: Rouven Czerwinski <r.czerwinski@pengutronix.de>
Cc: barebox@lists.infradead.org, Oleksij Rempel <linux@rempel-privat.de>
Subject: Re: [PATCH v3 2/3] add CONFIG_PBL_BREAK option
Date: Tue, 11 Jun 2019 10:20:42 +0200 [thread overview]
Message-ID: <20190611082042.eeijvdph7chemmzi@pengutronix.de> (raw)
In-Reply-To: <20190607070658.10919-2-r.czerwinski@pengutronix.de>
On Fri, Jun 07, 2019 at 09:06:59AM +0200, Rouven Czerwinski wrote:
> From: Oleksij Rempel <linux@rempel-privat.de>
>
> With this option barebox will be build with breakpoint instruction
> in early pbl stage and on main barebox entry. Otherwise two nop
> instructions are generated which allow binary patching of existing
> barebox binaries.
> In case production barebox images should be debugged, the corresponding
> ELF binaries need to be kept to allow later JTAG debugging.
> This option only works with an attached JTAG debugger, the board will
> hang otherwise.
>
>
> +
> +config PBL_BREAK
> + bool "Execute software break on pbl start"
> + help
> + If this enabled, barebox will be compiled with BKPT instruction
> + during early pbl init and entry of the main barebox.
> + This option can only be used with a JTAG debugger,
> + the board hangs otherwise.
This option is presented to everyone but implemented only on ARM.
Sascha
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next prev parent reply other threads:[~2019-06-11 8:20 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-06-07 7:06 [PATCH v3 1/3] remove CONFIG_DEBUG_INFO Rouven Czerwinski
2019-06-07 7:06 ` [PATCH v3 2/3] add CONFIG_PBL_BREAK option Rouven Czerwinski
2019-06-09 21:36 ` Ahmad Fatoum
2019-06-11 8:22 ` Sascha Hauer
2019-06-11 8:20 ` Sascha Hauer [this message]
2019-06-07 7:07 ` [PATCH v3 3/3] add gdb helper scripts to load barebox symbols Rouven Czerwinski
2019-06-07 7:27 ` [PATCH v3 1/3] remove CONFIG_DEBUG_INFO Sascha Hauer
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