smc91c111: Fix receive starvation

[qemu.git] / target-s390x / helper.c

diff --git a/target-s390x/helper.c b/target-s390x/helper.c
index 9f9088b04012cc223da1fde7e3fbb98bb4aebfc3..da33b38009a46cf2c3a03790ab3bee717223961f 100644 (file)
--- a/target-s390x/helper.c
+++ b/target-s390x/helper.c
@@ -57,7 +57,7 @@ void s390x_tod_timer(void *opaque)
     CPUS390XState *env = &cpu->env;
 
     env->pending_int |= INTERRUPT_TOD;
-    cpu_interrupt(env, CPU_INTERRUPT_HARD);
+    cpu_interrupt(CPU(cpu), CPU_INTERRUPT_HARD);
 }
 
 void s390x_cpu_timer(void *opaque)
@@ -66,33 +66,28 @@ void s390x_cpu_timer(void *opaque)
     CPUS390XState *env = &cpu->env;
 
     env->pending_int |= INTERRUPT_CPUTIMER;
-    cpu_interrupt(env, CPU_INTERRUPT_HARD);
+    cpu_interrupt(CPU(cpu), CPU_INTERRUPT_HARD);
 }
 #endif
 
 S390CPU *cpu_s390x_init(const char *cpu_model)
 {
     S390CPU *cpu;
-    CPUS390XState *env;
-    static int inited;
 
     cpu = S390_CPU(object_new(TYPE_S390_CPU));
-    env = &cpu->env;
 
-    if (tcg_enabled() && !inited) {
-        inited = 1;
-        s390x_translate_init();
-    }
+    object_property_set_bool(OBJECT(cpu), true, "realized", NULL);
 
-    env->cpu_model_str = cpu_model;
-    qemu_init_vcpu(env);
     return cpu;
 }
 
 #if defined(CONFIG_USER_ONLY)
 
-void do_interrupt(CPUS390XState *env)
+void s390_cpu_do_interrupt(CPUState *cs)
 {
+    S390CPU *cpu = S390_CPU(cs);
+    CPUS390XState *env = &cpu->env;
+
     env->exception_index = -1;
 }
 
@@ -419,9 +414,10 @@ int cpu_s390x_handle_mmu_fault(CPUS390XState *env, target_ulong orig_vaddr,
     return 0;
 }
 
-hwaddr cpu_get_phys_page_debug(CPUS390XState *env,
-                                           target_ulong vaddr)
+hwaddr s390_cpu_get_phys_page_debug(CPUState *cs, vaddr vaddr)
 {
+    S390CPU *cpu = S390_CPU(cs);
+    CPUS390XState *env = &cpu->env;
     target_ulong raddr;
     int prot = PAGE_READ | PAGE_WRITE | PAGE_EXEC;
     int old_exc = env->exception_index;
@@ -442,6 +438,7 @@ void load_psw(CPUS390XState *env, uint64_t mask, uint64_t addr)
 {
     if (mask & PSW_MASK_WAIT) {
         S390CPU *cpu = s390_env_get_cpu(env);
+        CPUState *cs = CPU(cpu);
         if (!(mask & (PSW_MASK_IO | PSW_MASK_EXT | PSW_MASK_MCHECK))) {
             if (s390_del_running_cpu(cpu) == 0) {
 #ifndef CONFIG_USER_ONLY
@@ -449,7 +446,7 @@ void load_psw(CPUS390XState *env, uint64_t mask, uint64_t addr)
 #endif
             }
         }
-        env->halted = 1;
+        cs->halted = 1;
         env->exception_index = EXCP_HLT;
     }
 
@@ -628,6 +625,8 @@ static void do_io_interrupt(CPUS390XState *env)
     }
 
     for (isc = 0; isc < ARRAY_SIZE(env->io_index); isc++) {
+        uint64_t isc_bits;
+
         if (env->io_index[isc] < 0) {
             continue;
         }
@@ -637,7 +636,8 @@ static void do_io_interrupt(CPUS390XState *env)
         }
 
         q = &env->io_queue[env->io_index[isc]][isc];
-        if (!(env->cregs[6] & q->word)) {
+        isc_bits = ISC_TO_ISC_BITS(IO_INT_WORD_ISC(q->word));
+        if (!(env->cregs[6] & isc_bits)) {
             disable = 0;
             continue;
         }
@@ -738,9 +738,10 @@ static void do_mchk_interrupt(CPUS390XState *env)
     load_psw(env, mask, addr);
 }
 
-void do_interrupt(CPUS390XState *env)
+void s390_cpu_do_interrupt(CPUState *cs)
 {
-    S390CPU *cpu = s390_env_get_cpu(env);
+    S390CPU *cpu = S390_CPU(cs);
+    CPUS390XState *env = &cpu->env;
 
     qemu_log_mask(CPU_LOG_INT, "%s: %d at pc=%" PRIx64 "\n",
                   __func__, env->exception_index, env->psw.addr);
@@ -799,7 +800,7 @@ void do_interrupt(CPUS390XState *env)
     env->exception_index = -1;
 
     if (!env->pending_int) {
-        env->interrupt_request &= ~CPU_INTERRUPT_HARD;
+        cs->interrupt_request &= ~CPU_INTERRUPT_HARD;
     }
 }