mips: revert commit b332d24a8e

Now that this code path is not triggered anymore during the tests,
revert commit b332d24a8e. Booting a MIPS
target without kernel nor bios doesn't really make sense. At the same
time replace fprintf(stderr, ...) by error_report().

Reviewed-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>

hw/mips/mips_fulong2e.c

@@ -44,6 +44,7 @@
 #include "sysemu/blockdev.h"
 #include "exec/address-spaces.h"
 #include "sysemu/qtest.h"
+#include "qemu/error-report.h"
 
 #define DEBUG_FULONG2E_INIT
 
@@ -335,7 +336,8 @@ static void mips_fulong2e_init(QEMUMachineInitArgs *args)
 
         if ((bios_size < 0 || bios_size > BIOS_SIZE) &&
             !kernel_filename && !qtest_enabled()) {
-            fprintf(stderr, "qemu: Warning, could not load MIPS bios '%s'\n", bios_name);
+            error_report("Could not load MIPS bios '%s'", bios_name);
+            exit(1);
         }
     }
 

hw/mips/mips_jazz.c

@@ -43,6 +43,7 @@
 #include "hw/sysbus.h"
 #include "exec/address-spaces.h"
 #include "sysemu/qtest.h"
+#include "qemu/error-report.h"
 
 enum jazz_model_e
 {
@@ -178,8 +179,8 @@ static void mips_jazz_init(MemoryRegion *address_space,
         bios_size = -1;
     }
     if ((bios_size < 0 || bios_size > MAGNUM_BIOS_SIZE) && !qtest_enabled()) {
-        fprintf(stderr, "qemu: Warning, could not load MIPS bios '%s'\n",
+        error_report("Could not load MIPS bios '%s'", bios_name);
-                bios_name);
+        exit(1);
     }
 
     /* Init CPU internal devices */

hw/mips/mips_malta.c

@@ -49,6 +49,7 @@
 #include "hw/sysbus.h"             /* SysBusDevice */
 #include "qemu/host-utils.h"
 #include "sysemu/qtest.h"
+#include "qemu/error-report.h"
 
 //#define DEBUG_BOARD_INIT
 
@@ -1008,9 +1009,9 @@ void mips_malta_init(QEMUMachineInitArgs *args)
             }
             if ((bios_size < 0 || bios_size > BIOS_SIZE) &&
                 !kernel_filename && !qtest_enabled()) {
-                fprintf(stderr,
+                error_report("Could not load MIPS bios '%s', and no "
-                        "qemu: Warning, could not load MIPS bios '%s', and no -kernel argument was specified\n",
+                             "-kernel argument was specified", bios_name);
-                        bios_name);
+                exit(1);
             }
         }
         /* In little endian mode the 32bit words in the bios are swapped,

hw/mips/mips_mipssim.c

@@ -37,6 +37,7 @@
 #include "elf.h"
 #include "hw/sysbus.h"
 #include "exec/address-spaces.h"
+#include "qemu/error-report.h"
 
 static struct _loaderparams {
     int ram_size;
@@ -191,9 +192,9 @@ mips_mipssim_init(QEMUMachineInitArgs *args)
     }
     if ((bios_size < 0 || bios_size > BIOS_SIZE) && !kernel_filename) {
         /* Bail out if we have neither a kernel image nor boot vector code. */
-        fprintf(stderr,
+        error_report("Could not load MIPS bios '%s', and no "
-                "qemu: Warning, could not load MIPS bios '%s', and no -kernel argument was specified\n",
+                     "-kernel argument was specified", filename);
-                filename);
+        exit(1);
     } else {
         /* We have a boot vector start address. */
         env->active_tc.PC = (target_long)(int32_t)0xbfc00000;