On 2/3/20 12:20 AM, 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 <a...@ozlabs.ru> --- hw/ppc/spapr_rtas.c | 7 +++++++ 1 file changed, 7 insertions(+)
Reviewed-by: Daniel Henrique Barboza <danielhb...@gmail.com>
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);
