target/sparc: Constify VMState in machine.c

Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20231221031652.119827-18-richard.henderson@linaro.org>
diff --git a/target/sparc/machine.c b/target/sparc/machine.c
index 44dfc07..2b5686c 100644
--- a/target/sparc/machine.c
+++ b/target/sparc/machine.c
@@ -10,7 +10,7 @@
     .name = "cpu_timer",
     .version_id = 1,
     .minimum_version_id = 1,
-    .fields = (VMStateField[]) {
+    .fields = (const VMStateField[]) {
         VMSTATE_UINT32(frequency, CPUTimer),
         VMSTATE_UINT32(disabled, CPUTimer),
         VMSTATE_UINT64(disabled_mask, CPUTimer),
@@ -29,7 +29,7 @@
     .name = "trap_state",
     .version_id = 1,
     .minimum_version_id = 1,
-    .fields = (VMStateField[]) {
+    .fields = (const VMStateField[]) {
         VMSTATE_UINT64(tpc, trap_state),
         VMSTATE_UINT64(tnpc, trap_state),
         VMSTATE_UINT64(tstate, trap_state),
@@ -42,7 +42,7 @@
     .name = "tlb_entry",
     .version_id = 1,
     .minimum_version_id = 1,
-    .fields = (VMStateField[]) {
+    .fields = (const VMStateField[]) {
         VMSTATE_UINT64(tag, SparcTLBEntry),
         VMSTATE_UINT64(tte, SparcTLBEntry),
         VMSTATE_END_OF_LIST()
@@ -147,7 +147,7 @@
     .version_id = SPARC_VMSTATE_VER,
     .minimum_version_id = SPARC_VMSTATE_VER,
     .pre_save = cpu_pre_save,
-    .fields = (VMStateField[]) {
+    .fields = (const VMStateField[]) {
         VMSTATE_UINTTL_ARRAY(env.gregs, SPARCCPU, 8),
         VMSTATE_UINT32(env.nwindows, SPARCCPU),
         VMSTATE_VARRAY_MULTIPLY(env.regbase, SPARCCPU, env.nwindows, 16,