From: Brian Cain <bcain@quicinc.com>

siad is the 'Set interrupt auto disable' instruction.

Signed-off-by: Brian Cain <brian.cain@oss.qualcomm.com>
---
 target/hexagon/op_helper.c | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/target/hexagon/op_helper.c b/target/hexagon/op_helper.c
index 687e7f45c2..118f112487 100644
--- a/target/hexagon/op_helper.c
+++ b/target/hexagon/op_helper.c
@@ -1378,7 +1378,15 @@ void HELPER(ciad)(CPUHexagonState *env, uint32_t mask)
 
 void HELPER(siad)(CPUHexagonState *env, uint32_t mask)
 {
-    g_assert_not_reached();
+    uint32_t ipendad;
+    uint32_t iad;
+
+    BQL_LOCK_GUARD();
+    ipendad = READ_SREG(HEX_SREG_IPENDAD);
+    iad = fGET_FIELD(ipendad, IPENDAD_IAD);
+    fSET_FIELD(ipendad, IPENDAD_IAD, iad | mask);
+    arch_set_system_reg(env, HEX_SREG_IPENDAD, ipendad);
+    hex_interrupt_update(env);
 }
 
 void HELPER(swi)(CPUHexagonState *env, uint32_t mask)
-- 
2.34.1

> -----Original Message-----
> From: Brian Cain <brian.cain@oss.qualcomm.com>
> Sent: Friday, February 28, 2025 11:28 PM
> To: qemu-devel@nongnu.org
> Cc: brian.cain@oss.qualcomm.com; richard.henderson@linaro.org;
> philmd@linaro.org; quic_mathbern@quicinc.com; ale@rev.ng; anjo@rev.ng;
> quic_mliebel@quicinc.com; ltaylorsimpson@gmail.com;
> alex.bennee@linaro.org; quic_mburton@quicinc.com;
> sidneym@quicinc.com; Brian Cain <bcain@quicinc.com>
> Subject: [PATCH 20/39] target/hexagon: Implement siad inst
> 
> From: Brian Cain <bcain@quicinc.com>
> 
> siad is the 'Set interrupt auto disable' instruction.
> 
> Signed-off-by: Brian Cain <brian.cain@oss.qualcomm.com>

Reviewed-by: Taylor Simpson <ltaylorsimpson@gmail.com>