diff mbox series

[36/38] target/hexagon: Add clear_wait_mode() definition

Message ID 20250301052628.1011210-37-brian.cain@oss.qualcomm.com (mailing list archive)
State New
Headers show
Series hexagon system emu, part 1/3 | expand

Commit Message

Brian Cain March 1, 2025, 5:26 a.m. UTC 
From: Brian Cain <bcain@quicinc.com>

Signed-off-by: Brian Cain <brian.cain@oss.qualcomm.com>
---
 target/hexagon/cpu_helper.h |  1 +
 target/hexagon/cpu_helper.c | 10 ++++++++++
 2 files changed, 11 insertions(+)
diff mbox series

Patch

diff --git a/target/hexagon/cpu_helper.h b/target/hexagon/cpu_helper.h
index e0c0c037a6..6f0c6697ad 100644
--- a/target/hexagon/cpu_helper.h
+++ b/target/hexagon/cpu_helper.h
@@ -16,6 +16,7 @@  void hexagon_set_sys_pcycle_count_low(CPUHexagonState *env, uint32_t);
 void hexagon_set_sys_pcycle_count_high(CPUHexagonState *env, uint32_t);
 void hexagon_modify_ssr(CPUHexagonState *env, uint32_t new, uint32_t old);
 int get_exe_mode(CPUHexagonState *env);
+void clear_wait_mode(CPUHexagonState *env);
 
 static inline void arch_set_thread_reg(CPUHexagonState *env, uint32_t reg,
                                        uint32_t val)
diff --git a/target/hexagon/cpu_helper.c b/target/hexagon/cpu_helper.c
index 9f4fc716e3..9373e491d6 100644
--- a/target/hexagon/cpu_helper.c
+++ b/target/hexagon/cpu_helper.c
@@ -74,6 +74,16 @@  void hexagon_modify_ssr(CPUHexagonState *env, uint32_t new, uint32_t old)
     g_assert_not_reached();
 }
 
+void clear_wait_mode(CPUHexagonState *env)
+{
+    g_assert(bql_locked());
+
+    const uint32_t modectl = arch_get_system_reg(env, HEX_SREG_MODECTL);
+    uint32_t thread_wait_mask = GET_FIELD(MODECTL_W, modectl);
+    thread_wait_mask &= ~(0x1 << env->threadId);
+    SET_SYSTEM_FIELD(env, HEX_SREG_MODECTL, MODECTL_W, thread_wait_mask);
+}
+
 int get_exe_mode(CPUHexagonState *env)
 {
     g_assert_not_reached();