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-rw-r--r--hw/ppc/spapr_hcall.c41
-rw-r--r--include/hw/ppc/spapr.h9
2 files changed, 40 insertions, 10 deletions
diff --git a/hw/ppc/spapr_hcall.c b/hw/ppc/spapr_hcall.c
index 2ab55d568b..0bae0535e8 100644
--- a/hw/ppc/spapr_hcall.c
+++ b/hw/ppc/spapr_hcall.c
@@ -4,6 +4,36 @@
#include "hw/ppc/spapr.h"
#include "mmu-hash64.h"
+struct SPRSyncState {
+ CPUState *cs;
+ int spr;
+ target_ulong value;
+ target_ulong mask;
+};
+
+static void do_spr_sync(void *arg)
+{
+ struct SPRSyncState *s = arg;
+ PowerPCCPU *cpu = POWERPC_CPU(s->cs);
+ CPUPPCState *env = &cpu->env;
+
+ cpu_synchronize_state(s->cs);
+ env->spr[s->spr] &= ~s->mask;
+ env->spr[s->spr] |= s->value;
+}
+
+static void set_spr(CPUState *cs, int spr, target_ulong value,
+ target_ulong mask)
+{
+ struct SPRSyncState s = {
+ .cs = cs,
+ .spr = spr,
+ .value = value,
+ .mask = mask
+ };
+ run_on_cpu(cs, do_spr_sync, &s);
+}
+
static target_ulong compute_tlbie_rb(target_ulong v, target_ulong r,
target_ulong pte_index)
{
@@ -689,7 +719,7 @@ static target_ulong h_set_mode(PowerPCCPU *cpu, sPAPREnvironment *spapr,
target_ulong value2 = args[3];
target_ulong ret = H_P2;
- if (resource == H_SET_MODE_ENDIAN) {
+ if (resource == H_SET_MODE_RESOURCE_LE) {
if (value1) {
ret = H_P3;
goto out;
@@ -698,22 +728,17 @@ static target_ulong h_set_mode(PowerPCCPU *cpu, sPAPREnvironment *spapr,
ret = H_P4;
goto out;
}
-
switch (mflags) {
case H_SET_MODE_ENDIAN_BIG:
CPU_FOREACH(cs) {
- PowerPCCPU *cp = POWERPC_CPU(cs);
- CPUPPCState *env = &cp->env;
- env->spr[SPR_LPCR] &= ~LPCR_ILE;
+ set_spr(cs, SPR_LPCR, 0, LPCR_ILE);
}
ret = H_SUCCESS;
break;
case H_SET_MODE_ENDIAN_LITTLE:
CPU_FOREACH(cs) {
- PowerPCCPU *cp = POWERPC_CPU(cs);
- CPUPPCState *env = &cp->env;
- env->spr[SPR_LPCR] |= LPCR_ILE;
+ set_spr(cs, SPR_LPCR, LPCR_ILE, LPCR_ILE);
}
ret = H_SUCCESS;
break;
diff --git a/include/hw/ppc/spapr.h b/include/hw/ppc/spapr.h
index 449fc7ca2d..5fdac1e009 100644
--- a/include/hw/ppc/spapr.h
+++ b/include/hw/ppc/spapr.h
@@ -153,8 +153,13 @@ typedef struct sPAPREnvironment {
#define H_PP1 (1ULL<<(63-62))
#define H_PP2 (1ULL<<(63-63))
-/* H_SET_MODE flags */
-#define H_SET_MODE_ENDIAN 4
+/* Values for 2nd argument to H_SET_MODE */
+#define H_SET_MODE_RESOURCE_SET_CIABR 1
+#define H_SET_MODE_RESOURCE_SET_DAWR 2
+#define H_SET_MODE_RESOURCE_ADDR_TRANS_MODE 3
+#define H_SET_MODE_RESOURCE_LE 4
+
+/* Flags for H_SET_MODE_RESOURCE_LE */
#define H_SET_MODE_ENDIAN_BIG 0
#define H_SET_MODE_ENDIAN_LITTLE 1