[06/39] target/hexagon: Implement {g,s}etimask helpers

Commit Message

Brian Cain March 1, 2025, 5:28 a.m. UTC

From: Brian Cain <[e-mail]>

Signed-off-by: Brian Cain <[e-mail]>
---
 target/hexagon/op_helper.c | 31 +++++++++++++++++++++++++++++--
 1 file changed, 29 insertions(+), 2 deletions(-)

Patch

diff --git a/target/hexagon/op_helper.c b/target/hexagon/op_helper.c
index 9f79b1a20c..83088cfaa3 100644
--- a/target/hexagon/op_helper.c
+++ b/target/hexagon/op_helper.c
@@ -1468,12 +1468,39 @@  void HELPER(resume)(CPUHexagonState *env, uint32_t mask)
 
 uint32_t HELPER(getimask)(CPUHexagonState *env, uint32_t tid)
 {
-    g_assert_not_reached();
+    CPUState *cs;
+    CPU_FOREACH(cs) {
+        HexagonCPU *found_cpu = HEXAGON_CPU(cs);
+        CPUHexagonState *found_env = &found_cpu->env;
+        if (found_env->threadId == tid) {
+            target_ulong imask = arch_get_system_reg(found_env, HEX_SREG_IMASK);
+            qemu_log_mask(CPU_LOG_INT, "%s: tid %d imask = 0x%x\n",
+                          __func__, env->threadId,
+                          (unsigned)GET_FIELD(IMASK_MASK, imask));
+            return GET_FIELD(IMASK_MASK, imask);
+        }
+    }
+    return 0;
 }
 
 void HELPER(setimask)(CPUHexagonState *env, uint32_t pred, uint32_t imask)
 {
-    g_assert_not_reached();
+    CPUState *cs;
+
+    BQL_LOCK_GUARD();
+    CPU_FOREACH(cs) {
+        HexagonCPU *found_cpu = HEXAGON_CPU(cs);
+        CPUHexagonState *found_env = &found_cpu->env;
+
+        if (pred == found_env->threadId) {
+            SET_SYSTEM_FIELD(found_env, HEX_SREG_IMASK, IMASK_MASK, imask);
+            qemu_log_mask(CPU_LOG_INT, "%s: tid %d imask 0x%x\n",
+                          __func__, found_env->threadId, imask);
+            hex_interrupt_update(env);
+            return;
+        }
+    }
+    hex_interrupt_update(env);
 }
 
 static bool handle_pmu_sreg_write(CPUHexagonState *env, uint32_t reg,