From a4c3791ae0c4a2e1f5d91f078bc9ad6e5d58867e Mon Sep 17 00:00:00 2001 From: Alexey Kardashevskiy Date: Mon, 3 Feb 2020 14:20:44 +1100 Subject: [PATCH] spapr/rtas: Print message from "ibm,os-term" 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 Message-Id: <20200203032044.118585-1-aik@ozlabs.ru> Reviewed-by: Daniel Henrique Barboza Signed-off-by: David Gibson --- 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 883fe28465..656fdd2216 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);