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Re: [PATCH qemu] spapr/rtas: Print message from "ibm,os-term"
From: |
David Gibson |
Subject: |
Re: [PATCH qemu] spapr/rtas: Print message from "ibm,os-term" |
Date: |
Tue, 4 Feb 2020 16:58:10 +1100 |
On Mon, Feb 03, 2020 at 02:20:44PM +1100, Alexey Kardashevskiy wrote:
> The "ibm,os-term" RTAS call has a single parameter which is a pointer to
> a message from the guest kernel about the termination cause; this prints
> it.
>
> Signed-off-by: Alexey Kardashevskiy <address@hidden>
Applied to ppc-for-5.0, thanks.
> ---
> hw/ppc/spapr_rtas.c | 7 +++++++
> 1 file changed, 7 insertions(+)
>
> diff --git a/hw/ppc/spapr_rtas.c b/hw/ppc/spapr_rtas.c
> index 883fe28465e6..656fdd221665 100644
> --- a/hw/ppc/spapr_rtas.c
> +++ b/hw/ppc/spapr_rtas.c
> @@ -345,6 +345,13 @@ static void rtas_ibm_os_term(PowerPCCPU *cpu,
> target_ulong args,
> uint32_t nret, target_ulong rets)
> {
> + target_ulong msgaddr = rtas_ld(args, 0);
> + char msg[512];
> +
> + cpu_physical_memory_read(msgaddr, msg, sizeof(msg) - 1);
> + msg[sizeof(msg) - 1] = 0;
> +
> + error_report("OS terminated: %s", msg);
> qemu_system_guest_panicked(NULL);
>
> rtas_st(rets, 0, RTAS_OUT_SUCCESS);
--
David Gibson | I'll have my music baroque, and my code
david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_
| _way_ _around_!
http://www.ozlabs.org/~dgibson
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