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-rw-r--r--target-s390x/cpu.h17
1 files changed, 17 insertions, 0 deletions
diff --git a/target-s390x/cpu.h b/target-s390x/cpu.h
index e351005901..0ce82cf830 100644
--- 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 */
@@ -1068,6 +1080,7 @@ 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);
#else
static inline void kvm_s390_io_interrupt(S390CPU *cpu,
uint16_t subchannel_id,
@@ -1082,6 +1095,10 @@ 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;
+}
#endif
static inline void s390_io_interrupt(S390CPU *cpu,