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-rw-r--r--hw/spapr.c17
-rw-r--r--target-ppc/kvm.c10
-rw-r--r--target-ppc/kvm_ppc.h12
3 files changed, 39 insertions, 0 deletions
diff --git a/hw/spapr.c b/hw/spapr.c
index 193398b7a1..4d2a55e355 100644
--- a/hw/spapr.c
+++ b/hw/spapr.c
@@ -188,6 +188,8 @@ static void *spapr_create_fdt_skel(const char *cpu_model,
0xffffffff, 0xffffffff};
uint32_t tbfreq = kvm_enabled() ? kvmppc_get_tbfreq() : TIMEBASE_FREQ;
uint32_t cpufreq = kvm_enabled() ? kvmppc_get_clockfreq() : 1000000000;
+ uint32_t vmx = kvm_enabled() ? kvmppc_get_vmx() : 0;
+ uint32_t dfp = kvm_enabled() ? kvmppc_get_dfp() : 0;
if ((index % smt) != 0) {
continue;
@@ -235,6 +237,21 @@ static void *spapr_create_fdt_skel(const char *cpu_model,
segs, sizeof(segs))));
}
+ /* Advertise VMX/VSX (vector extensions) if available
+ * 0 / no property == no vector extensions
+ * 1 == VMX / Altivec available
+ * 2 == VSX available */
+ if (vmx) {
+ _FDT((fdt_property_cell(fdt, "ibm,vmx", vmx)));
+ }
+
+ /* Advertise DFP (Decimal Floating Point) if available
+ * 0 / no property == no DFP
+ * 1 == DFP available */
+ if (dfp) {
+ _FDT((fdt_property_cell(fdt, "ibm,dfp", dfp)));
+ }
+
_FDT((fdt_end_node(fdt)));
}
diff --git a/target-ppc/kvm.c b/target-ppc/kvm.c
index c48cd76b7c..96139acb23 100644
--- a/target-ppc/kvm.c
+++ b/target-ppc/kvm.c
@@ -694,6 +694,16 @@ uint64_t kvmppc_get_clockfreq(void)
return kvmppc_read_int_cpu_dt("clock-frequency");
}
+uint32_t kvmppc_get_vmx(void)
+{
+ return kvmppc_read_int_cpu_dt("ibm,vmx");
+}
+
+uint32_t kvmppc_get_dfp(void)
+{
+ return kvmppc_read_int_cpu_dt("ibm,dfp");
+}
+
int kvmppc_get_hypercall(CPUState *env, uint8_t *buf, int buf_len)
{
uint32_t *hc = (uint32_t*)buf;
diff --git a/target-ppc/kvm_ppc.h b/target-ppc/kvm_ppc.h
index 87d1bdd5fd..955729a1cf 100644
--- a/target-ppc/kvm_ppc.h
+++ b/target-ppc/kvm_ppc.h
@@ -17,6 +17,8 @@ void kvmppc_init(void);
uint32_t kvmppc_get_tbfreq(void);
uint64_t kvmppc_get_clockfreq(void);
+uint32_t kvmppc_get_vmx(void);
+uint32_t kvmppc_get_dfp(void);
int kvmppc_get_hypercall(CPUState *env, uint8_t *buf, int buf_len);
int kvmppc_set_interrupt(CPUState *env, int irq, int level);
void kvmppc_set_papr(CPUState *env);
@@ -37,6 +39,16 @@ static inline uint64_t kvmppc_get_clockfreq(void)
return 0;
}
+static inline uint32_t kvmppc_get_vmx(void)
+{
+ return 0;
+}
+
+static inline uint32_t kvmppc_get_dfp(void)
+{
+ return 0;
+}
+
static inline int kvmppc_get_hypercall(CPUState *env, uint8_t *buf, int buf_len)
{
return -1;