Pass the stage size to step function callback,
otherwise do_setm would hang when size is larger then page size because stage 
size would underflow.
This fix changes do_setm to be more inline with do_setp.

Fixes: 0e92818887dee ("target/arm: Implement the SET* instructions")
Signed-off-by: Ido Plat <ido.pl...@ibm.com>
---
 target/arm/tcg/helper-a64.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/target/arm/tcg/helper-a64.c b/target/arm/tcg/helper-a64.c
index 56b431faf5..8f42a28d07 100644
--- a/target/arm/tcg/helper-a64.c
+++ b/target/arm/tcg/helper-a64.c
@@ -1348,7 +1348,7 @@ static void do_setm(CPUARMState *env, uint32_t syndrome, 
uint32_t mtedesc,
     /* Do the actual memset: we leave the last partial page to SETE */
     stagesetsize = setsize & TARGET_PAGE_MASK;
     while (stagesetsize > 0) {
-        step = stepfn(env, toaddr, setsize, data, memidx, &mtedesc, ra);
+        step = stepfn(env, toaddr, stagesetsize, data, memidx, &mtedesc, ra);
         toaddr += step;
         setsize -= step;
         stagesetsize -= step;
-- 
2.43.0


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