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Laurent Vivier 6dba634097 hmp: fix "dump-quest-memory" segfault (arm) 
Running QEMU with
    qemu-system-aarch64 -M none -nographic -m 256
and executing
    dump-guest-memory /dev/null 0 8192
results in segfault

Fix by checking if we have CPU, and exit with
error if there is no CPU:

    (qemu) dump-guest-memory /dev/null
    this feature or command is not currently supported

Signed-off-by: Laurent Vivier <lvivier@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Greg Kurz <groug@kaod.org>
Message-Id: <20170913142036.2469-3-lvivier@redhat.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Tested-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
 		2017-09-14 15:52:10 +01:00
..
alpha target/alpha: Switch to do_transaction_failed() hook 2017-09-07 11:15:55 -07:00
arm hmp: fix "dump-quest-memory" segfault (arm) 2017-09-14 15:52:10 +01:00
cris target: [tcg] Use a generic enum for DISAS_ values 2017-09-06 08:06:47 -07:00
hppa target/hppa: Convert to TranslatorOps 2017-09-07 11:23:13 -07:00
i386 target/i386: [tcg] Port to generic translation framework 2017-09-06 08:06:47 -07:00
lm32 target: [tcg] Use a generic enum for DISAS_ values 2017-09-06 08:06:47 -07:00
m68k target/m68k: Switch fpu_rom from make_floatx80() to make_floatx80_init() 2017-09-10 18:07:40 +02:00
microblaze target: [tcg] Use a generic enum for DISAS_ values 2017-09-06 08:06:47 -07:00
mips target/mips: Fix RDHWR CC with icount 2017-08-02 22:18:13 +01:00
moxie moxie: replace cpu_moxie_init() with cpu_generic_init() 2017-09-01 11:54:25 -03:00
nios2 target: [tcg] Use a generic enum for DISAS_ values 2017-09-06 08:06:47 -07:00
openrisc target: [tcg] Use a generic enum for DISAS_ values 2017-09-06 08:06:47 -07:00
ppc hmp: fix "dump-quest-memory" segfault (ppc) 2017-09-14 15:52:10 +01:00
s390x target: [tcg] Use a generic enum for DISAS_ values 2017-09-06 08:06:47 -07:00
sh4 sh4: replace cpu_sh4_init() with cpu_generic_init() 2017-09-01 11:54:24 -03:00
sparc sparc: Fix typedef clash 2017-09-14 15:00:41 +01:00
tilegx tilegx: replace cpu_tilegx_init() with cpu_generic_init() 2017-09-01 11:54:24 -03:00
tricore tricore: replace cpu_tricore_init() with cpu_generic_init() 2017-09-01 11:54:24 -03:00
unicore32 target: [tcg] Use a generic enum for DISAS_ values 2017-09-06 08:06:47 -07:00
xtensa target: [tcg] Use a generic enum for DISAS_ values 2017-09-06 08:06:47 -07:00