From: Brian Cain <bcain@quicinc.com>

These symbols are used by Hexagon Standalone OS to indicate whether
the program should halt and wait for interrupts at startup.  For QEMU,
we want these programs to just continue crt0 startup through to the user
program's main().


Reviewed-by: Taylor Simpson <ltaylorsimpson@gmail.com>
Signed-off-by: Brian Cain <brian.cain@oss.qualcomm.com>
---
 hw/hexagon/hexagon_dsp.c | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/hw/hexagon/hexagon_dsp.c b/hw/hexagon/hexagon_dsp.c
index 649cafcf8ec..3c269feed28 100644
--- a/hw/hexagon/hexagon_dsp.c
+++ b/hw/hexagon/hexagon_dsp.c
@@ -28,9 +28,17 @@
 
 #include "machine_cfg_v66g_1024.h.inc"
 
+static hwaddr isdb_secure_flag;
+static hwaddr isdb_trusted_flag;
 static void hex_symbol_callback(const char *st_name, int st_info,
                                 uint64_t st_value, uint64_t st_size)
 {
+    if (!g_strcmp0("isdb_secure_flag", st_name)) {
+        isdb_secure_flag = st_value;
+    }
+    if (!g_strcmp0("isdb_trusted_flag", st_name)) {
+        isdb_trusted_flag = st_value;
+    }
 }
 
 /* Board init.  */
@@ -58,7 +66,15 @@ static void hexagon_load_kernel(HexagonCPU *cpu)
 static void hexagon_init_bootstrap(MachineState *machine, HexagonCPU *cpu)
 {
     if (machine->kernel_filename) {
+        uint32_t mem = 1;
+
         hexagon_load_kernel(cpu);
+        if (isdb_secure_flag) {
+            cpu_physical_memory_write(isdb_secure_flag, &mem, sizeof(mem));
+        }
+        if (isdb_trusted_flag) {
+            cpu_physical_memory_write(isdb_trusted_flag, &mem, sizeof(mem));
+        }
     }
 }
 
-- 
2.34.1