Allow the kernel's entry point information to be returned when loading a
kernel.

Signed-off-by: Alistair Francis <alistair@alistair23.me>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
---
 hw/arm/armv7m.c       | 4 +++-
 include/hw/arm/boot.h | 4 +++-
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/hw/arm/armv7m.c b/hw/arm/armv7m.c
index 7a3c48f002..40755d77db 100644
--- a/hw/arm/armv7m.c
+++ b/hw/arm/armv7m.c
@@ -306,7 +306,7 @@ static void armv7m_reset(void *opaque)
     cpu_reset(CPU(cpu));
 }
 
-void armv7m_load_kernel(ARMCPU *cpu, const char *kernel_filename, int mem_size)
+uint64_t armv7m_load_kernel(ARMCPU *cpu, const char *kernel_filename, int mem_size)
 {
     int image_size;
     uint64_t entry;
@@ -353,6 +353,8 @@ void armv7m_load_kernel(ARMCPU *cpu, const char *kernel_filename, int mem_size)
      * board must call this function!
      */
     qemu_register_reset(armv7m_reset, cpu);
+
+    return entry;
 }
 
 static Property bitband_properties[] = {
diff --git a/include/hw/arm/boot.h b/include/hw/arm/boot.h
index 7f4d0ca7cd..e35b83c0d2 100644
--- a/include/hw/arm/boot.h
+++ b/include/hw/arm/boot.h
@@ -27,11 +27,13 @@ typedef enum {
  * @kernel_filename: file to load
  * @mem_size: mem_size: maximum image size to load
  *
+ * returns: location of the kernel's entry point
+ *
  * Load the guest image for an ARMv7M system. This must be called by
  * any ARMv7M board. (This is necessary to ensure that the CPU resets
  * correctly on system reset, as well as for kernel loading.)
  */
-void armv7m_load_kernel(ARMCPU *cpu, const char *kernel_filename, int mem_size);
+uint64_t armv7m_load_kernel(ARMCPU *cpu, const char *kernel_filename, int mem_size);
 
 /* arm_boot.c */
 struct arm_boot_info {
-- 
2.22.0