Merge git://github.com/hw-claudio/qemu-aarch64-queue into tcg-next

[qemu.git] / target-s390x / cpu.h

diff --git a/target-s390x/cpu.h b/target-s390x/cpu.h
index 01e59b99f0b6922fc7851fc7f56c5cf168ed160b..646268858b4851fe4105f4d177aba91c091065e0 100644 (file)
--- a/target-s390x/cpu.h
+++ b/target-s390x/cpu.h
@@ -78,6 +78,11 @@ typedef struct MchkQueue {
     uint16_t type;
 } MchkQueue;
 
+/* Defined values for CPUS390XState.runtime_reg_dirty_mask */
+#define KVM_S390_RUNTIME_DIRTY_NONE     0
+#define KVM_S390_RUNTIME_DIRTY_PARTIAL  1
+#define KVM_S390_RUNTIME_DIRTY_FULL     2
+
 typedef struct CPUS390XState {
     uint64_t regs[16];     /* GP registers */
     CPU_DoubleU fregs[16]; /* FP registers */
@@ -121,6 +126,13 @@ typedef struct CPUS390XState {
     uint64_t cputm;
     uint32_t todpr;
 
+    /* on S390 the runtime register set has two dirty states:
+     * a partial dirty state in which only the registers that
+     * are needed all the time are fetched. And a fully dirty
+     * state in which all runtime registers are fetched.
+     */
+    uint32_t runtime_reg_dirty_mask;
+
     CPU_COMMON
 
     /* reset does memset(0) up to here */
@@ -137,16 +149,6 @@ typedef struct CPUS390XState {
 
 #include "cpu-qom.h"
 
-#if defined(CONFIG_USER_ONLY)
-static inline void cpu_clone_regs(CPUS390XState *env, target_ulong newsp)
-{
-    if (newsp) {
-        env->regs[15] = newsp;
-    }
-    env->regs[2] = 0;
-}
-#endif
-
 /* distinguish between 24 bit and 31 bit addressing */
 #define HIGH_ORDER_BIT 0x80000000
 
@@ -315,8 +317,6 @@ static inline int get_ilen(uint8_t opc)
 S390CPU *cpu_s390x_init(const char *cpu_model);
 void s390x_translate_init(void);
 int cpu_s390x_exec(CPUS390XState *s);
-void cpu_s390x_close(CPUS390XState *s);
-void do_interrupt (CPUS390XState *env);
 
 /* you can call this signal handler from your SIGBUS and SIGSEGV
    signal handlers to inform the virtual CPU of exceptions. non zero
@@ -405,7 +405,7 @@ SubchDev *css_find_subch(uint8_t m, uint8_t cssid, uint8_t ssid,
 bool css_subch_visible(SubchDev *sch);
 void css_conditional_io_interrupt(SubchDev *sch);
 int css_do_stsch(SubchDev *sch, SCHIB *schib);
-bool css_schid_final(uint8_t cssid, uint8_t ssid, uint16_t schid);
+bool css_schid_final(int m, uint8_t cssid, uint8_t ssid, uint16_t schid);
 int css_do_msch(SubchDev *sch, SCHIB *schib);
 int css_do_xsch(SubchDev *sch);
 int css_do_csch(SubchDev *sch);
@@ -505,12 +505,6 @@ static inline bool css_present(uint8_t cssid)
 }
 #endif
 
-static inline void cpu_set_tls(CPUS390XState *env, target_ulong newtls)
-{
-    env->aregs[0] = newtls >> 32;
-    env->aregs[1] = newtls & 0xffffffffULL;
-}
-
 #define cpu_init(model) (&cpu_s390x_init(model)->env)
 #define cpu_exec cpu_s390x_exec
 #define cpu_gen_code cpu_s390x_gen_code
@@ -993,7 +987,7 @@ static inline void cpu_inject_ext(S390CPU *cpu, uint32_t code, uint32_t param,
     env->ext_queue[env->ext_index].param64 = param64;
 
     env->pending_int |= INTERRUPT_EXT;
-    cpu_interrupt(env, CPU_INTERRUPT_HARD);
+    cpu_interrupt(CPU(cpu), CPU_INTERRUPT_HARD);
 }
 
 static inline void cpu_inject_io(S390CPU *cpu, uint16_t subchannel_id,
@@ -1001,7 +995,7 @@ static inline void cpu_inject_io(S390CPU *cpu, uint16_t subchannel_id,
                                  uint32_t io_int_parm, uint32_t io_int_word)
 {
     CPUS390XState *env = &cpu->env;
-    int isc = ffs(io_int_word << 2) - 1;
+    int isc = IO_INT_WORD_ISC(io_int_word);
 
     if (env->io_index[isc] == MAX_IO_QUEUE - 1) {
         /* ugh - can't queue anymore. Let's drop. */
@@ -1017,7 +1011,7 @@ static inline void cpu_inject_io(S390CPU *cpu, uint16_t subchannel_id,
     env->io_queue[env->io_index[isc]][isc].word = io_int_word;
 
     env->pending_int |= INTERRUPT_IO;
-    cpu_interrupt(env, CPU_INTERRUPT_HARD);
+    cpu_interrupt(CPU(cpu), CPU_INTERRUPT_HARD);
 }
 
 static inline void cpu_inject_crw_mchk(S390CPU *cpu)
@@ -1035,14 +1029,15 @@ static inline void cpu_inject_crw_mchk(S390CPU *cpu)
     env->mchk_queue[env->mchk_index].type = 1;
 
     env->pending_int |= INTERRUPT_MCHK;
-    cpu_interrupt(env, CPU_INTERRUPT_HARD);
+    cpu_interrupt(CPU(cpu), CPU_INTERRUPT_HARD);
 }
 
 static inline bool cpu_has_work(CPUState *cpu)
 {
-    CPUS390XState *env = &S390_CPU(cpu)->env;
+    S390CPU *s390_cpu = S390_CPU(cpu);
+    CPUS390XState *env = &s390_cpu->env;
 
-    return (env->interrupt_request & CPU_INTERRUPT_HARD) &&
+    return (cpu->interrupt_request & CPU_INTERRUPT_HARD) &&
         (env->psw.mask & PSW_MASK_EXT);
 }
 
@@ -1069,6 +1064,9 @@ void kvm_s390_io_interrupt(S390CPU *cpu, uint16_t subchannel_id,
                            uint32_t io_int_word);
 void kvm_s390_crw_mchk(S390CPU *cpu);
 void kvm_s390_enable_css_support(S390CPU *cpu);
+int kvm_s390_get_registers_partial(CPUState *cpu);
+int kvm_s390_assign_subch_ioeventfd(EventNotifier *notifier, uint32_t sch,
+                                    int vq, bool assign);
 #else
 static inline void kvm_s390_io_interrupt(S390CPU *cpu,
                                         uint16_t subchannel_id,
@@ -1083,6 +1081,16 @@ static inline void kvm_s390_crw_mchk(S390CPU *cpu)
 static inline void kvm_s390_enable_css_support(S390CPU *cpu)
 {
 }
+static inline int kvm_s390_get_registers_partial(CPUState *cpu)
+{
+    return -ENOSYS;
+}
+static inline int kvm_s390_assign_subch_ioeventfd(EventNotifier *notifier,
+                                                  uint32_t sch, int vq,
+                                                  bool assign)
+{
+    return -ENOSYS;
+}
 #endif
 
 static inline void s390_io_interrupt(S390CPU *cpu,
@@ -1109,4 +1117,15 @@ static inline void s390_crw_mchk(S390CPU *cpu)
     }
 }
 
+static inline int s390_assign_subch_ioeventfd(EventNotifier *notifier,
+                                              uint32_t sch_id, int vq,
+                                              bool assign)
+{
+    if (kvm_enabled()) {
+        return kvm_s390_assign_subch_ioeventfd(notifier, sch_id, vq, assign);
+    } else {
+        return -ENOSYS;
+    }
+}
+
 #endif