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Re: [Qemu-devel] Bug#632192: [PATCH] add QEMU_LD_PREFIX environment vari
From: |
Riku Voipio |
Subject: |
Re: [Qemu-devel] Bug#632192: [PATCH] add QEMU_LD_PREFIX environment variable |
Date: |
Sat, 30 Jul 2011 16:58:43 +0300 |
User-agent: |
Mutt/1.5.18 (2008-05-17) |
On Fri, Jul 29, 2011 at 05:21:59PM +0200, Johannes Schauer wrote:
> So if we agree on using environment variables to pass options to
> qemu-user we next need to agree on how to name the options.
> The following commandline arguments exist (in order as they are checked
> in linux-user/main.c) and I shortly described and proposed a name for
> the environment variable in the same line.
> -d (activate log) - QEMU_LOG
> -D (logfile) - QEMU_LOGFILE
> -E (set target env variabe) - QEMU_SET_ENV
> -U (unset target env variabe) - QEMU_UNSET_ENV
> -0 (set target argv[0]) - QEMU_ARGV0
> -s (stack size) - QEMU_STACK_SIZE
> -L (elf interpreter prefix) - QEMU_LD_PREFIX
> -p (page size) - QEMU_PAGESIZE
> -g (listen for gdb on port) - QEMU_GDB
> -r (uname) - QEMU_UNAME
> -cpu (cpu model) - QEMU_CPU
> -B (guest base) - QEMU_GUEST_BASE
> -R (reserved virtual address) - QEMU_RESERVED_VA
> -drop-ld-preload - QEMU_DROP_LD_PRELOAD
This is a legacy option that could be removed already. The
-U LD_PRELOAD replaces this option. The only known user of this
option (scratchbox) has migrated -U LD_PRELOAD years ago.
> -singlestep - QEMU_SINGLESTEP
> -strace - QEMU_STRACE
> also, there already is the QEMU_STRACE environment variable which could
> be incorporated into the solution?
Else names look good to me.
> the -E and -U options can be specified several times so the environment
> variables should be able to receive a list - maybe in the getsubopt(3)
> style?
getsubopt would mean that passing enviroment variable contents with commas
wouldn't work. Perhaps that would still be an acceptable limitation.
Riku
- [Qemu-devel] [PATCH] add QEMU_LD_PREFIX environment variable, Johannes Schauer, 2011/07/06
- [Qemu-devel] [PATCH] add QEMU_LD_PREFIX environment variable, josch, 2011/07/23
- Re: [Qemu-devel] Bug#632192: [PATCH] add QEMU_LD_PREFIX environment variable, Vagrant Cascadian, 2011/07/29
- Re: [Qemu-devel] Bug#632192: [PATCH] add QEMU_LD_PREFIX environment variable, Johannes Schauer, 2011/07/29
- Re: [Qemu-devel] Bug#632192: [PATCH] add QEMU_LD_PREFIX environment variable,
Riku Voipio <=
- [Qemu-devel] [PATCH] introduce environment variables for all qemu-user options, j . schauer, 2011/07/31
- Re: [Qemu-devel] [PATCH] introduce environment variables for all qemu-user options, Peter Maydell, 2011/07/31
- [Qemu-devel] [PATCH] introduce environment variables for all qemu-user options, Johannes Schauer, 2011/07/31