From: Brian Cain <bcain@quicinc.com>

Reviewed-by: Taylor Simpson <ltaylorsimpson@gmail.com>
Signed-off-by: Brian Cain <brian.cain@oss.qualcomm.com>
---
 target/hexagon/cpu.h | 33 ++++++++++++++++++++++++++++++++-
 target/hexagon/cpu.c |  5 +++++
 2 files changed, 37 insertions(+), 1 deletion(-)

diff --git a/target/hexagon/cpu.h b/target/hexagon/cpu.h
index 3562965c88a..b40a1c96eae 100644
--- a/target/hexagon/cpu.h
+++ b/target/hexagon/cpu.h
@@ -48,8 +48,34 @@
 #define VSTORES_MAX 2
 
 #define CPU_RESOLVING_TYPE TYPE_HEXAGON_CPU
+#ifndef CONFIG_USER_ONLY
+#define CPU_INTERRUPT_SWI      CPU_INTERRUPT_TGT_INT_0
+#define CPU_INTERRUPT_K0_UNLOCK CPU_INTERRUPT_TGT_INT_1
+#define CPU_INTERRUPT_TLB_UNLOCK CPU_INTERRUPT_TGT_INT_2
+
+#define HEX_CPU_MODE_USER    1
+#define HEX_CPU_MODE_GUEST   2
+#define HEX_CPU_MODE_MONITOR 3
+
+#define HEX_EXE_MODE_OFF     1
+#define HEX_EXE_MODE_RUN     2
+#define HEX_EXE_MODE_WAIT    3
+#define HEX_EXE_MODE_DEBUG   4
+#endif
+
+#define MMU_USER_IDX         0
+#ifndef CONFIG_USER_ONLY
+#define MMU_GUEST_IDX        1
+#define MMU_KERNEL_IDX       2
+
+typedef enum {
+    HEX_LOCK_UNLOCKED       = 0,
+    HEX_LOCK_WAITING        = 1,
+    HEX_LOCK_OWNER          = 2,
+    HEX_LOCK_QUEUED        = 3
+} hex_lock_state_t;
+#endif
 
-#define MMU_USER_IDX 0
 
 #define HEXAGON_CPU_IRQ_0 0
 #define HEXAGON_CPU_IRQ_1 1
@@ -109,7 +135,12 @@ typedef struct CPUArchState {
 
     /* This alias of CPUState.cpu_index is used by imported sources: */
     uint32_t threadId;
+    hex_lock_state_t tlb_lock_state;
+    hex_lock_state_t k0_lock_state;
+    uint32_t tlb_lock_count;
+    uint32_t k0_lock_count;
 #endif
+    uint32_t next_PC;
     target_ulong new_value_usr;
 
     MemLog mem_log_stores[STORES_MAX];
diff --git a/target/hexagon/cpu.c b/target/hexagon/cpu.c
index dc3bd82bc05..2a061d70540 100644
--- a/target/hexagon/cpu.c
+++ b/target/hexagon/cpu.c
@@ -310,6 +310,11 @@ static void hexagon_cpu_reset_hold(Object *obj, ResetType type)
     memset(env->t_sreg, 0, sizeof(uint32_t) * NUM_SREGS);
     memset(env->greg, 0, sizeof(uint32_t) * NUM_GREGS);
     env->wait_next_pc = 0;
+    env->tlb_lock_state = HEX_LOCK_UNLOCKED;
+    env->k0_lock_state = HEX_LOCK_UNLOCKED;
+    env->tlb_lock_count = 0;
+    env->k0_lock_count = 0;
+    env->next_PC = 0;
 #endif
     env->cause_code = HEX_EVENT_NONE;
 }
-- 
2.34.1