[PATCH 24/39] target/hexagon: Add exec-start-addr prop

[Brian Cain <brian.cain@oss.qualcomm.com>]

From: Brian Cain <bcain@quicinc.com>

Signed-off-by: Brian Cain <brian.cain@oss.qualcomm.com>
---
 target/hexagon/cpu.h | 1 +
 target/hexagon/cpu.c | 7 ++-----
 2 files changed, 3 insertions(+), 5 deletions(-)

diff --git a/target/hexagon/cpu.h b/target/hexagon/cpu.h
index baa48ec051..4667a1f748 100644
--- a/target/hexagon/cpu.h
+++ b/target/hexagon/cpu.h
@@ -194,6 +194,7 @@ struct ArchCPU {
     uint32_t num_tlbs;
     uint32_t l2vic_base_addr;
     uint32_t hvx_contexts;
+    uint32_t boot_addr;
 #endif
 };
 
diff --git a/target/hexagon/cpu.c b/target/hexagon/cpu.c
index 9f4cfd03c4..7afdcbf9d0 100644
--- a/target/hexagon/cpu.c
+++ b/target/hexagon/cpu.c
@@ -66,6 +66,7 @@ static const Property hexagon_cpu_properties[] = {
     DEFINE_PROP_UINT32("l2vic-base-addr", HexagonCPU, l2vic_base_addr,
         0xffffffffULL),
     DEFINE_PROP_UINT32("hvx-contexts", HexagonCPU, hvx_contexts, 0),
+    DEFINE_PROP_UINT32("exec-start-addr", HexagonCPU, boot_addr, 0xffffffffULL),
 #endif
     DEFINE_PROP_BOOL("lldb-compat", HexagonCPU, lldb_compat, false),
     DEFINE_PROP_UNSIGNED("lldb-stack-adjust", HexagonCPU, lldb_stack_adjust, 0,
@@ -362,8 +363,6 @@ static void hexagon_cpu_reset_hold(Object *obj, ResetType type)
     mmu_reset(env);
     arch_set_system_reg(env, HEX_SREG_HTID, cs->cpu_index);
     hexagon_cpu_soft_reset(env);
-    memset(env->t_sreg, 0, sizeof(target_ulong) * NUM_SREGS);
-    memset(env->greg, 0, sizeof(target_ulong) * NUM_GREGS);
     env->threadId = cs->cpu_index;
     env->tlb_lock_state = HEX_LOCK_UNLOCKED;
     env->k0_lock_state = HEX_LOCK_UNLOCKED;
@@ -372,6 +371,7 @@ static void hexagon_cpu_reset_hold(Object *obj, ResetType type)
     env->next_PC = 0;
     env->wait_next_pc = 0;
     env->cause_code = -1;
+    arch_set_thread_reg(env, HEX_REG_PC, cpu->boot_addr);
 #endif
 }
 
@@ -414,9 +414,6 @@ static void hexagon_cpu_realize(DeviceState *dev, Error **errp)
 #ifndef CONFIG_USER_ONLY
     CPUHexagonState *env = cpu_env(cs);
     hex_mmu_realize(env);
-#endif
-    cpu_reset(cs);
-#ifndef CONFIG_USER_ONLY
     if (cs->cpu_index == 0) {
         env->g_sreg = g_new0(target_ulong, NUM_SREGS);
         env->g_pcycle_base = g_malloc0(sizeof(*env->g_pcycle_base));
-- 
2.34.1