SH4/R2D: fix poweroff

The write the the PA_POWOFF register is currently ignored. Fix that by
calling qemu_system_shutdown_request() when a poweroff is requested.

Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>

1 files changed, 5 insertions, 4 deletions

diff --git a/hw/r2d.c b/hw/r2d.c
index e4c02f05e..8769a1222 100644
--- a/hw/r2d.c
+++ b/hw/r2d.c
@@ -66,7 +66,6 @@ typedef struct {
     uint16_t keyctlclr;
     uint16_t pad0;
     uint16_t pad1;
-    uint16_t powoff;
     uint16_t verreg;
     uint16_t inport;
     uint16_t outport;
@@ -128,7 +127,7 @@ static uint32_t r2d_fpga_read(void *opaque, target_phys_addr_t addr)
     case PA_OUTPORT:
 	return s->outport;
     case PA_POWOFF:
-	return s->powoff;
+	return 0x00;
     case PA_VERREG:
 	return 0x10;
     }
@@ -150,8 +149,10 @@ r2d_fpga_write(void *opaque, target_phys_addr_t addr, uint32_t value)
 	s->outport = value;
 	break;
     case PA_POWOFF:
-	s->powoff = value;
-	break;
+        if (value & 1) {
+            qemu_system_shutdown_request();
+        }
+        break;
     case PA_VERREG:
 	/* Discard writes */
 	break;