target/s390x: Expose load_psw and get_psw_mask to cpu.h

Rename to s390_cpu_set_psw and s390_cpu_get_psw_mask at the
same time.  Adjust so that they compile for user-only.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: David Hildenbrand <david@redhat.com>
Tested-by: jonathan.albrecht <jonathan.albrecht@linux.vnet.ibm.com>
Tested-by: <ruixin.bao@ibm.com>
Message-Id: <20210615030744.1252385-2-richard.henderson@linaro.org>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>

1 files changed, 48 insertions, 41 deletions

diff --git a/target/s390x/helper.c b/target/s390x/helper.c
index 7678994feb..d311903b94 100644
--- a/target/s390x/helper.c
+++ b/target/s390x/helper.c
@@ -104,44 +104,6 @@ void s390_handle_wait(S390CPU *cpu)
     }
 }
 
-void load_psw(CPUS390XState *env, uint64_t mask, uint64_t addr)
-{
-    uint64_t old_mask = env->psw.mask;
-
-    env->psw.addr = addr;
-    env->psw.mask = mask;
-
-    /* KVM will handle all WAITs and trigger a WAIT exit on disabled_wait */
-    if (!tcg_enabled()) {
-        return;
-    }
-    env->cc_op = (mask >> 44) & 3;
-
-    if ((old_mask ^ mask) & PSW_MASK_PER) {
-        s390_cpu_recompute_watchpoints(env_cpu(env));
-    }
-
-    if (mask & PSW_MASK_WAIT) {
-        s390_handle_wait(env_archcpu(env));
-    }
-}
-
-uint64_t get_psw_mask(CPUS390XState *env)
-{
-    uint64_t r = env->psw.mask;
-
-    if (tcg_enabled()) {
-        env->cc_op = calc_cc(env, env->cc_op, env->cc_src, env->cc_dst,
-                             env->cc_vr);
-
-        r &= ~PSW_MASK_CC;
-        assert(!(env->cc_op & ~3));
-        r |= (uint64_t)env->cc_op << 44;
-    }
-
-    return r;
-}
-
 LowCore *cpu_map_lowcore(CPUS390XState *env)
 {
     LowCore *lowcore;
@@ -168,7 +130,7 @@ void do_restart_interrupt(CPUS390XState *env)
 
     lowcore = cpu_map_lowcore(env);
 
-    lowcore->restart_old_psw.mask = cpu_to_be64(get_psw_mask(env));
+    lowcore->restart_old_psw.mask = cpu_to_be64(s390_cpu_get_psw_mask(env));
     lowcore->restart_old_psw.addr = cpu_to_be64(env->psw.addr);
     mask = be64_to_cpu(lowcore->restart_new_psw.mask);
     addr = be64_to_cpu(lowcore->restart_new_psw.addr);
@@ -176,7 +138,7 @@ void do_restart_interrupt(CPUS390XState *env)
     cpu_unmap_lowcore(lowcore);
     env->pending_int &= ~INTERRUPT_RESTART;
 
-    load_psw(env, mask, addr);
+    s390_cpu_set_psw(env, mask, addr);
 }
 
 void s390_cpu_recompute_watchpoints(CPUState *cs)
@@ -266,7 +228,7 @@ int s390_store_status(S390CPU *cpu, hwaddr addr, bool store_arch)
         sa->grs[i] = cpu_to_be64(cpu->env.regs[i]);
     }
     sa->psw.addr = cpu_to_be64(cpu->env.psw.addr);
-    sa->psw.mask = cpu_to_be64(get_psw_mask(&cpu->env));
+    sa->psw.mask = cpu_to_be64(s390_cpu_get_psw_mask(&cpu->env));
     sa->prefix = cpu_to_be32(cpu->env.psa);
     sa->fpc = cpu_to_be32(cpu->env.fpc);
     sa->todpr = cpu_to_be32(cpu->env.todpr);
@@ -323,8 +285,53 @@ int s390_store_adtl_status(S390CPU *cpu, hwaddr addr, hwaddr len)
     cpu_physical_memory_unmap(sa, len, 1, len);
     return 0;
 }
+#else
+/* For user-only, tcg is always enabled. */
+#define tcg_enabled() true
 #endif /* CONFIG_USER_ONLY */
 
+void s390_cpu_set_psw(CPUS390XState *env, uint64_t mask, uint64_t addr)
+{
+#ifndef CONFIG_USER_ONLY
+    uint64_t old_mask = env->psw.mask;
+#endif
+
+    env->psw.addr = addr;
+    env->psw.mask = mask;
+
+    /* KVM will handle all WAITs and trigger a WAIT exit on disabled_wait */
+    if (!tcg_enabled()) {
+        return;
+    }
+    env->cc_op = (mask >> 44) & 3;
+
+#ifndef CONFIG_USER_ONLY
+    if ((old_mask ^ mask) & PSW_MASK_PER) {
+        s390_cpu_recompute_watchpoints(env_cpu(env));
+    }
+
+    if (mask & PSW_MASK_WAIT) {
+        s390_handle_wait(env_archcpu(env));
+    }
+#endif
+}
+
+uint64_t s390_cpu_get_psw_mask(CPUS390XState *env)
+{
+    uint64_t r = env->psw.mask;
+
+    if (tcg_enabled()) {
+        env->cc_op = calc_cc(env, env->cc_op, env->cc_src, env->cc_dst,
+                             env->cc_vr);
+
+        r &= ~PSW_MASK_CC;
+        assert(!(env->cc_op & ~3));
+        r |= (uint64_t)env->cc_op << 44;
+    }
+
+    return r;
+}
+
 void s390_cpu_dump_state(CPUState *cs, FILE *f, int flags)
 {
     S390CPU *cpu = S390_CPU(cs);