|
From: | Richard Henderson |
Subject: | Re: [Qemu-devel] [PATCH] target-s390x: Implement lpp instruction |
Date: | Sat, 25 Feb 2017 10:51:06 +1100 |
User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.7.0 |
On 02/25/2017 12:50 AM, Miroslav Benes wrote:
Linux arch/s390/kernel/head(64).S uses lpp instruction if it is available in facilities list provided by stfl/stfle instruction. This is the case of newer z/System generations and their qemu definition. Signed-off-by: Miroslav Benes <address@hidden> ---
I can't find LPP in my PoO 11th edition...
+static ExitStatus op_lpp(DisasContext *s, DisasOps *o) +{ + check_privileged(s); + potential_page_fault(s); + + tcg_gen_st_i64(o->in2, cpu_env, offsetof(CPUS390XState, pp));
But you don't need the potential_page_fault, since this is not a store to guest memory.
r~
[Prev in Thread] | Current Thread | [Next in Thread] |