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From: | Alexey Kardashevskiy |
Subject: | Re: [Qemu-devel] [PATCH qemu] qemu-options: Add documentation about PPC64's "-cpu compat" option |
Date: | Wed, 08 Apr 2015 11:45:53 +1000 |
User-agent: | Mozilla/5.0 (X11; Linux i686 on x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.5.0 |
On 04/08/2015 06:43 AM, Alexander Graf wrote:
On 04/02/2015 08:26 AM, Alexey Kardashevskiy wrote:Since 8dfa3a5e "target-ppc: Add "compat" CPU option" (which was a part of client-architecture-support patchset) there is a "compat" option of "-cpu". However it was not documented at all and this is what this patch is trying to do. Signed-off-by: Alexey Kardashevskiy <address@hidden> --- qemu-options.hx | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-) diff --git a/qemu-options.hx b/qemu-options.hx index c513352..bd15214 100644 --- a/qemu-options.hx +++ b/qemu-options.hx @@ -84,11 +84,20 @@ HXCOMM Deprecated by -machine DEF("M", HAS_ARG, QEMU_OPTION_M, "", QEMU_ARCH_ALL) DEF("cpu", HAS_ARG, QEMU_OPTION_cpu, - "-cpu cpu select CPU ('-cpu help' for list)\n", QEMU_ARCH_ALL) + "-cpu cpu,[compat=MODE]\n" + " select CPU ('-cpu help' for list)\n" + " compat= processor compatibility mode (PPC64 only)\n", + QEMU_ARCH_ALL)Shouldn't there be a way to show this only for the ppc64 target?
I do not really know, I did not dig deep. I just saw "Intel IOMMU (VT-d)" in "qemu-system-ppc64 --help" output and concluded there is no easy way.
AlexSTEXI @item -cpu @var{model} @findex -cpu Select CPU model (@code{-cpu help} for list and additional feature selection) address@hidden @option address@hidden compat=power6|power7|power8 +(PPC64 only) +Enables architecture compatibility mode. "power6" enables PowerISA 2.05, +"power7" - 2.06, "power8" - 2.07. address@hidden table ETEXI DEF("smp", HAS_ARG, QEMU_OPTION_smp,
-- Alexey
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