The DECAR SPR is 32-bits width.

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
---
 target/ppc/cpu_init.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/target/ppc/cpu_init.c b/target/ppc/cpu_init.c
index 421900cd11..8287494c39 100644
--- a/target/ppc/cpu_init.c
+++ b/target/ppc/cpu_init.c
@@ -792,7 +792,7 @@ static void register_BookE_sprs(CPUPPCState *env, uint64_t ivor_mask)
                  0x00000000);
     spr_register(env, SPR_BOOKE_DECAR, "DECAR",
                  SPR_NOACCESS, SPR_NOACCESS,
-                 SPR_NOACCESS, &spr_write_generic,
+                 SPR_NOACCESS, &spr_write_generic32,
                  0x00000000);
     /* SPRGs */
     spr_register(env, SPR_USPRG0, "USPRG0",
-- 
2.42.0