Merge remote-tracking branch 'remotes/armbru/tags/pull-error-2018-02-06' into staging

Error reporting patches for 2018-02-06

# gpg: Signature made Tue 06 Feb 2018 19:48:30 GMT
# gpg:                using RSA key 3870B400EB918653
# gpg: Good signature from "Markus Armbruster <armbru@redhat.com>"
# gpg:                 aka "Markus Armbruster <armbru@pond.sub.org>"
# Primary key fingerprint: 354B C8B3 D7EB 2A6B 6867  4E5F 3870 B400 EB91 8653

* remotes/armbru/tags/pull-error-2018-02-06:
  tcg: Replace fprintf(stderr, "*\n" with error_report()
  hw/xen*: Replace fprintf(stderr, "*\n" with error_report()
  hw/sparc*: Replace fprintf(stderr, "*\n" with error_report()
  hw/sd: Replace fprintf(stderr, "*\n" with DPRINTF()
  hw/ppc: Replace fprintf(stderr, "*\n" with error_report()
  hw/pci*: Replace fprintf(stderr, "*\n" with error_report()
  hw/openrisc: Replace fprintf(stderr, "*\n" with error_report()
  hw/moxie: Replace fprintf(stderr, "*\n" with error_report()
  hw/mips: Replace fprintf(stderr, "*\n" with error_report()
  hw/lm32: Replace fprintf(stderr, "*\n" with error_report()
  hw/dma: Replace fprintf(stderr, "*\n" with error_report()
  hw/arm: Replace fprintf(stderr, "*\n" with error_report()
  audio: Replace AUDIO_FUNC with __func__
  error: Improve documentation of error_append_hint()

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

37 files changed, 163 insertions, 171 deletions

diff --git a/hw/arm/armv7m.c b/hw/arm/armv7m.c
index bb2dfc942b..56770a7048 100644
--- a/hw/arm/armv7m.c
+++ b/hw/arm/armv7m.c
@@ -278,7 +278,7 @@ void armv7m_load_kernel(ARMCPU *cpu, const char *kernel_filename, int mem_size)
 #endif
 
     if (!kernel_filename && !qtest_enabled()) {
-        fprintf(stderr, "Guest image must be specified (using -kernel)\n");
+        error_report("Guest image must be specified (using -kernel)");
         exit(1);
     }
 
diff --git a/hw/arm/boot.c b/hw/arm/boot.c
index c2720c8046..bb244ec359 100644
--- a/hw/arm/boot.c
+++ b/hw/arm/boot.c
@@ -8,6 +8,7 @@
  */
 
 #include "qemu/osdep.h"
+#include "qemu/error-report.h"
 #include "qapi/error.h"
 #include <libfdt.h>
 #include "hw/hw.h"
@@ -690,7 +691,7 @@ static void load_image_to_fw_cfg(FWCfgState *fw_cfg, uint16_t size_key,
         gsize length;
 
         if (!g_file_get_contents(image_name, &contents, &length, NULL)) {
-            fprintf(stderr, "failed to load \"%s\"\n", image_name);
+            error_report("failed to load \"%s\"", image_name);
             exit(1);
         }
         size = length;
@@ -956,8 +957,7 @@ static void arm_load_kernel_notify(Notifier *notifier, void *data)
         is_linux = 1;
     }
     if (kernel_size < 0) {
-        fprintf(stderr, "qemu: could not load kernel '%s'\n",
-                info->kernel_filename);
+        error_report("could not load kernel '%s'", info->kernel_filename);
         exit(1);
     }
     info->entry = entry;
@@ -976,8 +976,8 @@ static void arm_load_kernel_notify(Notifier *notifier, void *data)
                                                   info->initrd_start);
             }
             if (initrd_size < 0) {
-                fprintf(stderr, "qemu: could not load initrd '%s'\n",
-                        info->initrd_filename);
+                error_report("could not load initrd '%s'",
+                             info->initrd_filename);
                 exit(1);
             }
         } else {
@@ -1021,9 +1021,9 @@ static void arm_load_kernel_notify(Notifier *notifier, void *data)
         } else {
             fixupcontext[FIXUP_ARGPTR] = info->loader_start + KERNEL_ARGS_ADDR;
             if (info->ram_size >= (1ULL << 32)) {
-                fprintf(stderr, "qemu: RAM size must be less than 4GB to boot"
-                        " Linux kernel using ATAGS (try passing a device tree"
-                        " using -dtb)\n");
+                error_report("RAM size must be less than 4GB to boot"
+                             " Linux kernel using ATAGS (try passing a device tree"
+                             " using -dtb)");
                 exit(1);
             }
         }
diff --git a/hw/arm/gumstix.c b/hw/arm/gumstix.c
index bba9e9f57a..ea2a3c532d 100644
--- a/hw/arm/gumstix.c
+++ b/hw/arm/gumstix.c
@@ -35,6 +35,7 @@
  */
 
 #include "qemu/osdep.h"
+#include "qemu/error-report.h"
 #include "hw/hw.h"
 #include "hw/arm/pxa.h"
 #include "net/net.h"
@@ -62,8 +63,8 @@ static void connex_init(MachineState *machine)
 
     dinfo = drive_get(IF_PFLASH, 0, 0);
     if (!dinfo && !qtest_enabled()) {
-        fprintf(stderr, "A flash image must be given with the "
-                "'pflash' parameter\n");
+        error_report("A flash image must be given with the "
+                     "'pflash' parameter");
         exit(1);
     }
 
@@ -76,7 +77,7 @@ static void connex_init(MachineState *machine)
                                dinfo ? blk_by_legacy_dinfo(dinfo) : NULL,
                                sector_len, connex_rom / sector_len,
                                2, 0, 0, 0, 0, be)) {
-        fprintf(stderr, "qemu: Error registering flash memory.\n");
+        error_report("Error registering flash memory");
         exit(1);
     }
 
@@ -99,8 +100,8 @@ static void verdex_init(MachineState *machine)
 
     dinfo = drive_get(IF_PFLASH, 0, 0);
     if (!dinfo && !qtest_enabled()) {
-        fprintf(stderr, "A flash image must be given with the "
-                "'pflash' parameter\n");
+        error_report("A flash image must be given with the "
+                     "'pflash' parameter");
         exit(1);
     }
 
@@ -113,7 +114,7 @@ static void verdex_init(MachineState *machine)
                                dinfo ? blk_by_legacy_dinfo(dinfo) : NULL,
                                sector_len, verdex_rom / sector_len,
                                2, 0, 0, 0, 0, be)) {
-        fprintf(stderr, "qemu: Error registering flash memory.\n");
+        error_report("Error registering flash memory");
         exit(1);
     }
 
diff --git a/hw/arm/mainstone.c b/hw/arm/mainstone.c
index d07972a966..4215c025fc 100644
--- a/hw/arm/mainstone.c
+++ b/hw/arm/mainstone.c
@@ -12,6 +12,7 @@
  * GNU GPL, version 2 or (at your option) any later version.
  */
 #include "qemu/osdep.h"
+#include "qemu/error-report.h"
 #include "qapi/error.h"
 #include "hw/hw.h"
 #include "hw/arm/pxa.h"
@@ -143,8 +144,8 @@ static void mainstone_common_init(MemoryRegion *address_space_mem,
             if (qtest_enabled()) {
                 break;
             }
-            fprintf(stderr, "Two flash images must be given with the "
-                    "'pflash' parameter\n");
+            error_report("Two flash images must be given with the "
+                         "'pflash' parameter");
             exit(1);
         }
 
@@ -154,7 +155,7 @@ static void mainstone_common_init(MemoryRegion *address_space_mem,
                                    blk_by_legacy_dinfo(dinfo),
                                    sector_len, MAINSTONE_FLASH / sector_len,
                                    4, 0, 0, 0, 0, be)) {
-            fprintf(stderr, "qemu: Error registering flash memory.\n");
+            error_report("Error registering flash memory");
             exit(1);
         }
     }
diff --git a/hw/arm/musicpal.c b/hw/arm/musicpal.c
index 4172caf5db..38d7322a19 100644
--- a/hw/arm/musicpal.c
+++ b/hw/arm/musicpal.c
@@ -1627,7 +1627,7 @@ static void musicpal_init(MachineState *machine)
         flash_size = blk_getlength(blk);
         if (flash_size != 8*1024*1024 && flash_size != 16*1024*1024 &&
             flash_size != 32*1024*1024) {
-            fprintf(stderr, "Invalid flash image size\n");
+            error_report("Invalid flash image size");
             exit(1);
         }
 
diff --git a/hw/arm/omap1.c b/hw/arm/omap1.c
index 92e58f09c8..b3a23a83d1 100644
--- a/hw/arm/omap1.c
+++ b/hw/arm/omap1.c
@@ -18,6 +18,7 @@
  */
 
 #include "qemu/osdep.h"
+#include "qemu/error-report.h"
 #include "qapi/error.h"
 #include "qemu-common.h"
 #include "cpu.h"
@@ -2313,7 +2314,7 @@ void omap_uwire_attach(struct omap_uwire_s *s,
                 uWireSlave *slave, int chipselect)
 {
     if (chipselect < 0 || chipselect > 3) {
-        fprintf(stderr, "%s: Bad chipselect %i\n", __func__, chipselect);
+        error_report("%s: Bad chipselect %i", __func__, chipselect);
         exit(-1);
     }
 
@@ -3987,7 +3988,7 @@ struct omap_mpu_state_s *omap310_mpu_init(MemoryRegion *system_memory,
 
     dinfo = drive_get(IF_SD, 0, 0);
     if (!dinfo) {
-        fprintf(stderr, "qemu: missing SecureDigital device\n");
+        error_report("missing SecureDigital device");
         exit(1);
     }
     s->mmc = omap_mmc_init(0xfffb7800, system_memory,
diff --git a/hw/arm/omap2.c b/hw/arm/omap2.c
index b53878b8b9..647b119ba9 100644
--- a/hw/arm/omap2.c
+++ b/hw/arm/omap2.c
@@ -19,6 +19,7 @@
  */
 
 #include "qemu/osdep.h"
+#include "qemu/error-report.h"
 #include "qapi/error.h"
 #include "qemu-common.h"
 #include "cpu.h"
@@ -2486,7 +2487,7 @@ struct omap_mpu_state_s *omap2420_mpu_init(MemoryRegion *sysmem,
 
     dinfo = drive_get(IF_SD, 0, 0);
     if (!dinfo) {
-        fprintf(stderr, "qemu: missing SecureDigital device\n");
+        error_report("missing SecureDigital device");
         exit(1);
     }
     s->mmc = omap2_mmc_init(omap_l4tao(s->l4, 9),
diff --git a/hw/arm/omap_sx1.c b/hw/arm/omap_sx1.c
index 9a14270795..eccc19c77b 100644
--- a/hw/arm/omap_sx1.c
+++ b/hw/arm/omap_sx1.c
@@ -194,7 +194,7 @@ static void sx1_init(MachineState *machine, const int version)
     }
 
     if (!machine->kernel_filename && !fl_idx && !qtest_enabled()) {
-        fprintf(stderr, "Kernel or Flash image must be specified\n");
+        error_report("Kernel or Flash image must be specified");
         exit(1);
     }
 
diff --git a/hw/arm/pxa2xx.c b/hw/arm/pxa2xx.c
index db860c238e..5805a2c858 100644
--- a/hw/arm/pxa2xx.c
+++ b/hw/arm/pxa2xx.c
@@ -8,6 +8,7 @@
  */
 
 #include "qemu/osdep.h"
+#include "qemu/error-report.h"
 #include "qapi/error.h"
 #include "qemu-common.h"
 #include "cpu.h"
@@ -2062,7 +2063,7 @@ PXA2xxState *pxa270_init(MemoryRegion *address_space,
     s = g_new0(PXA2xxState, 1);
 
     if (strncmp(cpu_type, "pxa27", 5)) {
-        fprintf(stderr, "Machine requires a PXA27x processor.\n");
+        error_report("Machine requires a PXA27x processor");
         exit(1);
     }
 
@@ -2095,7 +2096,7 @@ PXA2xxState *pxa270_init(MemoryRegion *address_space,
 
     dinfo = drive_get(IF_SD, 0, 0);
     if (!dinfo) {
-        fprintf(stderr, "qemu: missing SecureDigital device\n");
+        error_report("missing SecureDigital device");
         exit(1);
     }
     s->mmc = pxa2xx_mmci_init(address_space, 0x41100000,
@@ -2220,7 +2221,7 @@ PXA2xxState *pxa255_init(MemoryRegion *address_space, unsigned int sdram_size)
 
     dinfo = drive_get(IF_SD, 0, 0);
     if (!dinfo) {
-        fprintf(stderr, "qemu: missing SecureDigital device\n");
+        error_report("missing SecureDigital device");
         exit(1);
     }
     s->mmc = pxa2xx_mmci_init(address_space, 0x41100000,
diff --git a/hw/arm/vexpress.c b/hw/arm/vexpress.c
index efb5a29475..dc5928ae1a 100644
--- a/hw/arm/vexpress.c
+++ b/hw/arm/vexpress.c
@@ -266,7 +266,7 @@ static void a9_daughterboard_init(const VexpressMachineState *vms,
 
     if (ram_size > 0x40000000) {
         /* 1GB is the maximum the address space permits */
-        fprintf(stderr, "vexpress-a9: cannot model more than 1GB RAM\n");
+        error_report("vexpress-a9: cannot model more than 1GB RAM");
         exit(1);
     }
 
@@ -355,7 +355,7 @@ static void a15_daughterboard_init(const VexpressMachineState *vms,
          */
         uint64_t rsz = ram_size;
         if (rsz > (30ULL * 1024 * 1024 * 1024)) {
-            fprintf(stderr, "vexpress-a15: cannot model more than 30GB RAM\n");
+            error_report("vexpress-a15: cannot model more than 30GB RAM");
             exit(1);
         }
     }
@@ -640,7 +640,7 @@ static void vexpress_common_init(MachineState *machine)
     pflash0 = ve_pflash_cfi01_register(map[VE_NORFLASH0], "vexpress.flash0",
                                        dinfo);
     if (!pflash0) {
-        fprintf(stderr, "vexpress: error registering flash 0.\n");
+        error_report("vexpress: error registering flash 0");
         exit(1);
     }
 
@@ -655,7 +655,7 @@ static void vexpress_common_init(MachineState *machine)
     dinfo = drive_get_next(IF_PFLASH);
     if (!ve_pflash_cfi01_register(map[VE_NORFLASH1], "vexpress.flash1",
                                   dinfo)) {
-        fprintf(stderr, "vexpress: error registering flash 1.\n");
+        error_report("vexpress: error registering flash 1");
         exit(1);
     }
 
diff --git a/hw/arm/z2.c b/hw/arm/z2.c
index 300e933c82..730a5392e9 100644
--- a/hw/arm/z2.c
+++ b/hw/arm/z2.c
@@ -320,8 +320,8 @@ static void z2_init(MachineState *machine)
 #endif
     dinfo = drive_get(IF_PFLASH, 0, 0);
     if (!dinfo && !qtest_enabled()) {
-        fprintf(stderr, "Flash image must be given with the "
-                "'pflash' parameter\n");
+        error_report("Flash image must be given with the "
+                     "'pflash' parameter");
         exit(1);
     }
 
@@ -330,7 +330,7 @@ static void z2_init(MachineState *machine)
                                dinfo ? blk_by_legacy_dinfo(dinfo) : NULL,
                                sector_len, Z2_FLASH_SIZE / sector_len,
                                4, 0, 0, 0, 0, be)) {
-        fprintf(stderr, "qemu: Error registering flash memory.\n");
+        error_report("Error registering flash memory");
         exit(1);
     }
 
diff --git a/hw/dma/soc_dma.c b/hw/dma/soc_dma.c
index 9bb499bf9c..45516241c6 100644
--- a/hw/dma/soc_dma.c
+++ b/hw/dma/soc_dma.c
@@ -18,6 +18,7 @@
  * with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 #include "qemu/osdep.h"
+#include "qemu/error-report.h"
 #include "qemu-common.h"
 #include "qemu/timer.h"
 #include "hw/arm/soc_dma.h"
@@ -270,11 +271,11 @@ void soc_dma_port_add_fifo(struct soc_dma_s *soc, hwaddr virt_base,
         if (entry->type == soc_dma_port_mem) {
             if (entry->addr <= virt_base &&
                             entry->addr + entry->u.mem.size > virt_base) {
-                fprintf(stderr, "%s: FIFO at %"PRIx64
-                                " collides with RAM region at %"PRIx64
-                                "-%"PRIx64 "\n", __func__,
-                                virt_base, entry->addr,
-                                (entry->addr + entry->u.mem.size));
+                error_report("%s: FIFO at %"PRIx64
+                             " collides with RAM region at %"PRIx64
+                             "-%"PRIx64, __func__,
+                             virt_base, entry->addr,
+                             (entry->addr + entry->u.mem.size));
                 exit(-1);
             }
 
@@ -284,9 +285,9 @@ void soc_dma_port_add_fifo(struct soc_dma_s *soc, hwaddr virt_base,
             while (entry < dma->memmap + dma->memmap_size &&
                             entry->addr <= virt_base) {
                 if (entry->addr == virt_base && entry->u.fifo.out == out) {
-                    fprintf(stderr, "%s: FIFO at %"PRIx64
-                                    " collides FIFO at %"PRIx64 "\n",
-                                    __func__, virt_base, entry->addr);
+                    error_report("%s: FIFO at %"PRIx64
+                                 " collides FIFO at %"PRIx64,
+                                 __func__, virt_base, entry->addr);
                     exit(-1);
                 }
 
@@ -321,11 +322,11 @@ void soc_dma_port_add_mem(struct soc_dma_s *soc, uint8_t *phys_base,
             if ((entry->addr >= virt_base && entry->addr < virt_base + size) ||
                             (entry->addr <= virt_base &&
                              entry->addr + entry->u.mem.size > virt_base)) {
-                fprintf(stderr, "%s: RAM at %"PRIx64 "-%"PRIx64
-                                " collides with RAM region at %"PRIx64
-                                "-%"PRIx64 "\n", __func__,
-                                virt_base, virt_base + size,
-                                entry->addr, entry->addr + entry->u.mem.size);
+                error_report("%s: RAM at %"PRIx64 "-%"PRIx64
+                             " collides with RAM region at %"PRIx64
+                             "-%"PRIx64, __func__,
+                             virt_base, virt_base + size,
+                             entry->addr, entry->addr + entry->u.mem.size);
                 exit(-1);
             }
 
@@ -334,11 +335,10 @@ void soc_dma_port_add_mem(struct soc_dma_s *soc, uint8_t *phys_base,
         } else {
             if (entry->addr >= virt_base &&
                             entry->addr < virt_base + size) {
-                fprintf(stderr, "%s: RAM at %"PRIx64 "-%"PRIx64
-                                " collides with FIFO at %"PRIx64
-                                "\n", __func__,
-                                virt_base, virt_base + size,
-                                entry->addr);
+                error_report("%s: RAM at %"PRIx64 "-%"PRIx64
+                             " collides with FIFO at %"PRIx64,
+                             __func__, virt_base, virt_base + size,
+                             entry->addr);
                 exit(-1);
             }
 
diff --git a/hw/lm32/lm32_boards.c b/hw/lm32/lm32_boards.c
index 002d638edd..527bcc229c 100644
--- a/hw/lm32/lm32_boards.c
+++ b/hw/lm32/lm32_boards.c
@@ -18,6 +18,7 @@
  */
 
 #include "qemu/osdep.h"
+#include "qemu/error-report.h"
 #include "qemu-common.h"
 #include "cpu.h"
 #include "hw/sysbus.h"
@@ -148,8 +149,7 @@ static void lm32_evr_init(MachineState *machine)
         }
 
         if (kernel_size < 0) {
-            fprintf(stderr, "qemu: could not load kernel '%s'\n",
-                    kernel_filename);
+            error_report("could not load kernel '%s'", kernel_filename);
             exit(1);
         }
     }
@@ -242,8 +242,7 @@ static void lm32_uclinux_init(MachineState *machine)
         }
 
         if (kernel_size < 0) {
-            fprintf(stderr, "qemu: could not load kernel '%s'\n",
-                    kernel_filename);
+            error_report("could not load kernel '%s'", kernel_filename);
             exit(1);
         }
     }
diff --git a/hw/lm32/milkymist.c b/hw/lm32/milkymist.c
index d4e765f2eb..85d64fe58d 100644
--- a/hw/lm32/milkymist.c
+++ b/hw/lm32/milkymist.c
@@ -18,6 +18,7 @@
  */
 
 #include "qemu/osdep.h"
+#include "qemu/error-report.h"
 #include "qemu-common.h"
 #include "cpu.h"
 #include "hw/sysbus.h"
@@ -145,8 +146,7 @@ milkymist_init(MachineState *machine)
 
     /* if no kernel is given no valid bios rom is a fatal error */
     if (!kernel_filename && !dinfo && !bios_filename && !qtest_enabled()) {
-        fprintf(stderr, "qemu: could not load Milkymist One bios '%s'\n",
-                bios_name);
+        error_report("could not load Milkymist One bios '%s'", bios_name);
         exit(1);
     }
     g_free(bios_filename);
@@ -184,8 +184,7 @@ milkymist_init(MachineState *machine)
         }
 
         if (kernel_size < 0) {
-            fprintf(stderr, "qemu: could not load kernel '%s'\n",
-                    kernel_filename);
+            error_report("could not load kernel '%s'", kernel_filename);
             exit(1);
         }
     }
diff --git a/hw/mips/mips_fulong2e.c b/hw/mips/mips_fulong2e.c
index 725e25a134..f68c625666 100644
--- a/hw/mips/mips_fulong2e.c
+++ b/hw/mips/mips_fulong2e.c
@@ -120,7 +120,7 @@ static int64_t load_kernel (CPUMIPSState *env)
                            (uint64_t *)&kernel_low, (uint64_t *)&kernel_high,
                            0, EM_MIPS, 1, 0);
     if (kernel_size < 0) {
-        error_report("qemu: could not load kernel '%s': %s",
+        error_report("could not load kernel '%s': %s",
                      loaderparams.kernel_filename,
                      load_elf_strerror(kernel_size));
         exit(1);
@@ -134,17 +134,16 @@ static int64_t load_kernel (CPUMIPSState *env)
         if (initrd_size > 0) {
             initrd_offset = (kernel_high + ~INITRD_PAGE_MASK) & INITRD_PAGE_MASK;
             if (initrd_offset + initrd_size > ram_size) {
-                fprintf(stderr,
-                        "qemu: memory too small for initial ram disk '%s'\n",
-                        loaderparams.initrd_filename);
+                error_report("memory too small for initial ram disk '%s'",
+                             loaderparams.initrd_filename);
                 exit(1);
             }
             initrd_size = load_image_targphys(loaderparams.initrd_filename,
                                      initrd_offset, ram_size - initrd_offset);
         }
         if (initrd_size == (target_ulong) -1) {
-            fprintf(stderr, "qemu: could not load initial ram disk '%s'\n",
-                    loaderparams.initrd_filename);
+            error_report("could not load initial ram disk '%s'",
+                         loaderparams.initrd_filename);
             exit(1);
         }
     }
@@ -338,7 +337,7 @@ static void mips_fulong2e_init(MachineState *machine)
 
     isa_bus = vt82c686b_init(pci_bus, PCI_DEVFN(FULONG2E_VIA_SLOT, 0));
     if (!isa_bus) {
-        fprintf(stderr, "vt82c686b_init error\n");
+        error_report("vt82c686b_init error");
         exit(1);
     }
 
diff --git a/hw/mips/mips_jazz.c b/hw/mips/mips_jazz.c
index 0d2c0683ba..596f3c210e 100644
--- a/hw/mips/mips_jazz.c
+++ b/hw/mips/mips_jazz.c
@@ -268,10 +268,10 @@ static void mips_jazz_init(MachineState *machine,
             sysbus_connect_irq(sysbus, 0, qdev_get_gpio_in(rc4030, 4));
             break;
         } else if (is_help_option(nd->model)) {
-            fprintf(stderr, "qemu: Supported NICs: dp83932\n");
+            error_report("Supported NICs: dp83932");
             exit(1);
         } else {
-            fprintf(stderr, "qemu: Unsupported NIC: %s\n", nd->model);
+            error_report("Unsupported NIC: %s", nd->model);
             exit(1);
         }
     }
diff --git a/hw/mips/mips_malta.c b/hw/mips/mips_malta.c
index 37f19428d6..7ca8ba2086 100644
--- a/hw/mips/mips_malta.c
+++ b/hw/mips/mips_malta.c
@@ -812,7 +812,7 @@ static int64_t load_kernel (void)
                            NULL, (uint64_t *)&kernel_entry, NULL,
                            (uint64_t *)&kernel_high, big_endian, EM_MIPS, 1, 0);
     if (kernel_size < 0) {
-        error_report("qemu: could not load kernel '%s': %s",
+        error_report("could not load kernel '%s': %s",
                      loaderparams.kernel_filename,
                      load_elf_strerror(kernel_size));
         exit(1);
@@ -846,9 +846,8 @@ static int64_t load_kernel (void)
             initrd_offset = (loaderparams.ram_low_size - initrd_size - 131072
                              - ~INITRD_PAGE_MASK) & INITRD_PAGE_MASK;
             if (kernel_high >= initrd_offset) {
-                fprintf(stderr,
-                        "qemu: memory too small for initial ram disk '%s'\n",
-                        loaderparams.initrd_filename);
+                error_report("memory too small for initial ram disk '%s'",
+                             loaderparams.initrd_filename);
                 exit(1);
             }
             initrd_size = load_image_targphys(loaderparams.initrd_filename,
@@ -856,8 +855,8 @@ static int64_t load_kernel (void)
                                               ram_size - initrd_offset);
         }
         if (initrd_size == (target_ulong) -1) {
-            fprintf(stderr, "qemu: could not load initial ram disk '%s'\n",
-                    loaderparams.initrd_filename);
+            error_report("could not load initial ram disk '%s'",
+                         loaderparams.initrd_filename);
             exit(1);
         }
     }
@@ -1034,9 +1033,8 @@ void mips_malta_init(MachineState *machine)
 
     /* allocate RAM */
     if (ram_size > (2048u << 20)) {
-        fprintf(stderr,
-                "qemu: Too much memory for this machine: %d MB, maximum 2048 MB\n",
-                ((unsigned int)ram_size / (1 << 20)));
+        error_report("Too much memory for this machine: %dMB, maximum 2048MB",
+                     ((unsigned int)ram_size / (1 << 20)));
         exit(1);
     }
 
diff --git a/hw/mips/mips_mipssim.c b/hw/mips/mips_mipssim.c
index e5d3654586..e0ba5efc84 100644
--- a/hw/mips/mips_mipssim.c
+++ b/hw/mips/mips_mipssim.c
@@ -78,7 +78,7 @@ static int64_t load_kernel(void)
         if ((entry & ~0x7fffffffULL) == 0x80000000)
             entry = (int32_t)entry;
     } else {
-        error_report("qemu: could not load kernel '%s': %s",
+        error_report("could not load kernel '%s': %s",
                      loaderparams.kernel_filename,
                      load_elf_strerror(kernel_size));
         exit(1);
@@ -92,17 +92,16 @@ static int64_t load_kernel(void)
         if (initrd_size > 0) {
             initrd_offset = (kernel_high + ~INITRD_PAGE_MASK) & INITRD_PAGE_MASK;
             if (initrd_offset + initrd_size > loaderparams.ram_size) {
-                fprintf(stderr,
-                        "qemu: memory too small for initial ram disk '%s'\n",
-                        loaderparams.initrd_filename);
+                error_report("memory too small for initial ram disk '%s'",
+                             loaderparams.initrd_filename);
                 exit(1);
             }
             initrd_size = load_image_targphys(loaderparams.initrd_filename,
                 initrd_offset, loaderparams.ram_size - initrd_offset);
         }
         if (initrd_size == (target_ulong) -1) {
-            fprintf(stderr, "qemu: could not load initial ram disk '%s'\n",
-                    loaderparams.initrd_filename);
+            error_report("could not load initial ram disk '%s'",
+                         loaderparams.initrd_filename);
             exit(1);
         }
     }
diff --git a/hw/mips/mips_r4k.c b/hw/mips/mips_r4k.c
index 244bd41813..830ee7732c 100644
--- a/hw/mips/mips_r4k.c
+++ b/hw/mips/mips_r4k.c
@@ -98,7 +98,7 @@ static int64_t load_kernel(void)
         if ((entry & ~0x7fffffffULL) == 0x80000000)
             entry = (int32_t)entry;
     } else {
-        error_report("qemu: could not load kernel '%s': %s",
+        error_report("could not load kernel '%s': %s",
                      loaderparams.kernel_filename,
                      load_elf_strerror(kernel_size));
         exit(1);
@@ -112,9 +112,8 @@ static int64_t load_kernel(void)
         if (initrd_size > 0) {
             initrd_offset = (kernel_high + ~INITRD_PAGE_MASK) & INITRD_PAGE_MASK;
             if (initrd_offset + initrd_size > ram_size) {
-                fprintf(stderr,
-                        "qemu: memory too small for initial ram disk '%s'\n",
-                        loaderparams.initrd_filename);
+                error_report("memory too small for initial ram disk '%s'",
+                             loaderparams.initrd_filename);
                 exit(1);
             }
             initrd_size = load_image_targphys(loaderparams.initrd_filename,
@@ -122,8 +121,8 @@ static int64_t load_kernel(void)
                                               ram_size - initrd_offset);
         }
         if (initrd_size == (target_ulong) -1) {
-            fprintf(stderr, "qemu: could not load initial ram disk '%s'\n",
-                    loaderparams.initrd_filename);
+            error_report("could not load initial ram disk '%s'",
+                         loaderparams.initrd_filename);
             exit(1);
         }
     }
@@ -196,9 +195,8 @@ void mips_r4k_init(MachineState *machine)
 
     /* allocate RAM */
     if (ram_size > (256 << 20)) {
-        fprintf(stderr,
-                "qemu: Too much memory for this machine: %d MB, maximum 256 MB\n",
-                ((unsigned int)ram_size / (1 << 20)));
+        error_report("Too much memory for this machine: %dMB, maximum 256MB",
+                     ((unsigned int)ram_size / (1 << 20)));
         exit(1);
     }
     memory_region_allocate_system_memory(ram, NULL, "mips_r4k.ram", ram_size);
diff --git a/hw/moxie/moxiesim.c b/hw/moxie/moxiesim.c
index 6c200becab..0bbf770795 100644
--- a/hw/moxie/moxiesim.c
+++ b/hw/moxie/moxiesim.c
@@ -63,8 +63,8 @@ static void load_kernel(MoxieCPU *cpu, LoaderParams *loader_params)
                            0, 0);
 
     if (kernel_size <= 0) {
-        fprintf(stderr, "qemu: could not load kernel '%s'\n",
-                loader_params->kernel_filename);
+        error_report("could not load kernel '%s'",
+                     loader_params->kernel_filename);
         exit(1);
     }
 
@@ -77,9 +77,8 @@ static void load_kernel(MoxieCPU *cpu, LoaderParams *loader_params)
             initrd_offset = (kernel_high + ~TARGET_PAGE_MASK)
               & TARGET_PAGE_MASK;
             if (initrd_offset + initrd_size > loader_params->ram_size) {
-                fprintf(stderr,
-                        "qemu: memory too small for initial ram disk '%s'\n",
-                        loader_params->initrd_filename);
+                error_report("memory too small for initial ram disk '%s'",
+                             loader_params->initrd_filename);
                 exit(1);
             }
             initrd_size = load_image_targphys(loader_params->initrd_filename,
@@ -87,8 +86,8 @@ static void load_kernel(MoxieCPU *cpu, LoaderParams *loader_params)
                                               ram_size);
         }
         if (initrd_size == (target_ulong)-1) {
-            fprintf(stderr, "qemu: could not load initial ram disk '%s'\n",
-                    loader_params->initrd_filename);
+            error_report("could not load initial ram disk '%s'",
+                         loader_params->initrd_filename);
             exit(1);
         }
     }
diff --git a/hw/openrisc/openrisc_sim.c b/hw/openrisc/openrisc_sim.c
index e9558f1ca4..c755f11efd 100644
--- a/hw/openrisc/openrisc_sim.c
+++ b/hw/openrisc/openrisc_sim.c
@@ -19,6 +19,7 @@
  */
 
 #include "qemu/osdep.h"
+#include "qemu/error-report.h"
 #include "qapi/error.h"
 #include "qemu-common.h"
 #include "cpu.h"
@@ -114,8 +115,7 @@ static void openrisc_load_kernel(ram_addr_t ram_size,
         }
 
         if (kernel_size < 0) {
-            fprintf(stderr, "QEMU: couldn't load the kernel '%s'\n",
-                    kernel_filename);
+            error_report("couldn't load the kernel '%s'", kernel_filename);
             exit(1);
         }
         boot_info.bootstrap_pc = entry;
diff --git a/hw/pci-host/bonito.c b/hw/pci-host/bonito.c
index 0d8cacb884..2d25e9bf7c 100644
--- a/hw/pci-host/bonito.c
+++ b/hw/pci-host/bonito.c
@@ -38,7 +38,7 @@
  */
 
 #include "qemu/osdep.h"
-
+#include "qemu/error-report.h"
 #include "hw/hw.h"
 #include "hw/pci/pci.h"
 #include "hw/i386/pc.h"
@@ -449,8 +449,8 @@ static uint32_t bonito_sbridge_pciaddr(void *opaque, hwaddr addr)
     regno = (cfgaddr & BONITO_PCICONF_REG_MASK) >> BONITO_PCICONF_REG_OFFSET;
 
     if (idsel == 0) {
-        fprintf(stderr, "error in bonito pci config address " TARGET_FMT_plx
-            ",pcimap_cfg=%x\n", addr, s->regs[BONITO_PCIMAP_CFG]);
+        error_report("error in bonito pci config address " TARGET_FMT_plx
+                     ",pcimap_cfg=%x", addr, s->regs[BONITO_PCIMAP_CFG]);
         exit(1);
     }
     pciaddr = PCI_ADDR(pci_bus_num(phb->bus), devno, funno, regno);
diff --git a/hw/pci/pci.c b/hw/pci/pci.c
index e8f9fc1c27..fc25cdecba 100644
--- a/hw/pci/pci.c
+++ b/hw/pci/pci.c
@@ -1115,8 +1115,8 @@ void pci_register_bar(PCIDevice *pci_dev, int region_num,
     assert(region_num >= 0);
     assert(region_num < PCI_NUM_REGIONS);
     if (size & (size-1)) {
-        fprintf(stderr, "ERROR: PCI region size must be pow2 "
-                    "type=0x%x, size=0x%"FMT_PCIBUS"\n", type, size);
+        error_report("ERROR: PCI region size must be pow2 "
+                    "type=0x%x, size=0x%"FMT_PCIBUS"", type, size);
         exit(1);
     }
 
diff --git a/hw/ppc/e500.c b/hw/ppc/e500.c
index c4fe06ea2a..343bba93ce 100644
--- a/hw/ppc/e500.c
+++ b/hw/ppc/e500.c
@@ -811,8 +811,8 @@ void ppce500_init(MachineState *machine, PPCE500Params *params)
         cs = CPU(cpu);
 
         if (env->mmu_model != POWERPC_MMU_BOOKE206) {
-            fprintf(stderr, "MMU model %i not supported by this machine.\n",
-                env->mmu_model);
+            error_report("MMU model %i not supported by this machine",
+                         env->mmu_model);
             exit(1);
         }
 
@@ -959,8 +959,8 @@ void ppce500_init(MachineState *machine, PPCE500Params *params)
                                           cur_base,
                                           ram_size - cur_base);
         if (kernel_size < 0) {
-            fprintf(stderr, "qemu: could not load kernel '%s'\n",
-                    machine->kernel_filename);
+            error_report("could not load kernel '%s'",
+                         machine->kernel_filename);
             exit(1);
         }
 
@@ -974,8 +974,8 @@ void ppce500_init(MachineState *machine, PPCE500Params *params)
                                           ram_size - initrd_base);
 
         if (initrd_size < 0) {
-            fprintf(stderr, "qemu: could not load initial ram disk '%s'\n",
-                    machine->initrd_filename);
+            error_report("could not load initial ram disk '%s'",
+                         machine->initrd_filename);
             exit(1);
         }
 
@@ -1016,7 +1016,7 @@ void ppce500_init(MachineState *machine, PPCE500Params *params)
         kernel_size = load_uimage(filename, &bios_entry, &loadaddr, NULL,
                                   NULL, NULL);
         if (kernel_size < 0) {
-            fprintf(stderr, "qemu: could not load firmware '%s'\n", filename);
+            error_report("could not load firmware '%s'", filename);
             exit(1);
         }
     }
@@ -1029,7 +1029,7 @@ void ppce500_init(MachineState *machine, PPCE500Params *params)
                                        initrd_base, initrd_size,
                                        kernel_base, kernel_size);
     if (dt_size < 0) {
-        fprintf(stderr, "couldn't load device tree\n");
+        error_report("couldn't load device tree");
         exit(1);
     }
     assert(dt_size < DTB_MAX_SIZE);
diff --git a/hw/ppc/mac_newworld.c b/hw/ppc/mac_newworld.c
index 3fa7c429d5..b832417a56 100644
--- a/hw/ppc/mac_newworld.c
+++ b/hw/ppc/mac_newworld.c
@@ -270,7 +270,7 @@ static void ppc_core99_init(MachineState *machine)
             }
         }
         if (ppc_boot_device == '\0') {
-            fprintf(stderr, "No valid boot device for Mac99 machine\n");
+            error_report("No valid boot device for Mac99 machine");
             exit(1);
         }
     }
diff --git a/hw/ppc/mac_oldworld.c b/hw/ppc/mac_oldworld.c
index 010ea36bf2..d1f4546613 100644
--- a/hw/ppc/mac_oldworld.c
+++ b/hw/ppc/mac_oldworld.c
@@ -218,7 +218,7 @@ static void ppc_heathrow_init(MachineState *machine)
 #endif
         }
         if (ppc_boot_device == '\0') {
-            fprintf(stderr, "No valid boot device for G3 Beige machine\n");
+            error_report("No valid boot device for G3 Beige machine");
             exit(1);
         }
     }
diff --git a/hw/ppc/ppc405_boards.c b/hw/ppc/ppc405_boards.c
index 6f7f2ee168..0b658931ee 100644
--- a/hw/ppc/ppc405_boards.c
+++ b/hw/ppc/ppc405_boards.c
@@ -331,8 +331,7 @@ static void ref405ep_init(MachineState *machine)
         kernel_size = load_image_targphys(kernel_filename, kernel_base,
                                           ram_size - kernel_base);
         if (kernel_size < 0) {
-            fprintf(stderr, "qemu: could not load kernel '%s'\n",
-                    kernel_filename);
+            error_report("could not load kernel '%s'", kernel_filename);
             exit(1);
         }
         printf("Load kernel size %ld at " TARGET_FMT_lx,
@@ -343,8 +342,8 @@ static void ref405ep_init(MachineState *machine)
             initrd_size = load_image_targphys(initrd_filename, initrd_base,
                                               ram_size - initrd_base);
             if (initrd_size < 0) {
-                fprintf(stderr, "qemu: could not load initial ram disk '%s'\n",
-                        initrd_filename);
+                error_report("could not load initial ram disk '%s'",
+                             initrd_filename);
                 exit(1);
             }
         } else {
@@ -621,8 +620,7 @@ static void taihu_405ep_init(MachineState *machine)
         kernel_size = load_image_targphys(kernel_filename, kernel_base,
                                           ram_size - kernel_base);
         if (kernel_size < 0) {
-            fprintf(stderr, "qemu: could not load kernel '%s'\n",
-                    kernel_filename);
+            error_report("could not load kernel '%s'", kernel_filename);
             exit(1);
         }
         /* load initrd */
@@ -631,9 +629,8 @@ static void taihu_405ep_init(MachineState *machine)
             initrd_size = load_image_targphys(initrd_filename, initrd_base,
                                               ram_size - initrd_base);
             if (initrd_size < 0) {
-                fprintf(stderr,
-                        "qemu: could not load initial ram disk '%s'\n",
-                        initrd_filename);
+                error_report("could not load initial ram disk '%s'",
+                             initrd_filename);
                 exit(1);
             }
         } else {
diff --git a/hw/ppc/ppc440_bamboo.c b/hw/ppc/ppc440_bamboo.c
index a299206fd4..8641986a71 100644
--- a/hw/ppc/ppc440_bamboo.c
+++ b/hw/ppc/ppc440_bamboo.c
@@ -12,6 +12,7 @@
  */
 
 #include "qemu/osdep.h"
+#include "qemu/error-report.h"
 #include "qemu-common.h"
 #include "qemu/error-report.h"
 #include "net/net.h"
@@ -188,8 +189,8 @@ static void bamboo_init(MachineState *machine)
     env = &cpu->env;
 
     if (env->mmu_model != POWERPC_MMU_BOOKE) {
-        fprintf(stderr, "MMU model %i not supported by this machine.\n",
-            env->mmu_model);
+        error_report("MMU model %i not supported by this machine",
+                     env->mmu_model);
         exit(1);
     }
 
@@ -229,7 +230,7 @@ static void bamboo_init(MachineState *machine)
                                 NULL);
     pcibus = (PCIBus *)qdev_get_child_bus(dev, "pci.0");
     if (!pcibus) {
-        fprintf(stderr, "couldn't create PCI controller!\n");
+        error_report("couldn't create PCI controller");
         exit(1);
     }
 
@@ -270,8 +271,7 @@ static void bamboo_init(MachineState *machine)
         }
         /* XXX try again as binary */
         if (success < 0) {
-            fprintf(stderr, "qemu: could not load kernel '%s'\n",
-                    kernel_filename);
+            error_report("could not load kernel '%s'", kernel_filename);
             exit(1);
         }
     }
@@ -282,8 +282,8 @@ static void bamboo_init(MachineState *machine)
                                           ram_size - RAMDISK_ADDR);
 
         if (initrd_size < 0) {
-            fprintf(stderr, "qemu: could not load ram disk '%s' at %x\n",
-                    initrd_filename, RAMDISK_ADDR);
+            error_report("could not load ram disk '%s' at %x",
+                         initrd_filename, RAMDISK_ADDR);
             exit(1);
         }
     }
@@ -292,7 +292,7 @@ static void bamboo_init(MachineState *machine)
     if (kernel_filename) {
         if (bamboo_load_device_tree(FDT_ADDR, ram_size, RAMDISK_ADDR,
                                     initrd_size, kernel_cmdline) < 0) {
-            fprintf(stderr, "couldn't load device tree\n");
+            error_report("couldn't load device tree");
             exit(1);
         }
     }
diff --git a/hw/ppc/prep.c b/hw/ppc/prep.c
index af08ac319a..096d4d4cfb 100644
--- a/hw/ppc/prep.c
+++ b/hw/ppc/prep.c
@@ -574,7 +574,7 @@ static void ppc_prep_init(MachineState *machine)
             }
         }
         if (ppc_boot_device == '\0') {
-            fprintf(stderr, "No valid boot device for Mac99 machine\n");
+            error_report("No valid boot device for Mac99 machine");
             exit(1);
         }
     }
@@ -595,7 +595,7 @@ static void ppc_prep_init(MachineState *machine)
     qdev_init_nofail(dev);
     pci_bus = (PCIBus *)qdev_get_child_bus(dev, "pci.0");
     if (pci_bus == NULL) {
-        fprintf(stderr, "Couldn't create PCI host controller.\n");
+        error_report("Couldn't create PCI host controller");
         exit(1);
     }
     sysctrl->contiguous_map_irq = qdev_get_gpio_in(dev, 0);
diff --git a/hw/ppc/virtex_ml507.c b/hw/ppc/virtex_ml507.c
index 9fe7655074..485d9affb2 100644
--- a/hw/ppc/virtex_ml507.c
+++ b/hw/ppc/virtex_ml507.c
@@ -223,8 +223,8 @@ static void virtex_init(MachineState *machine)
     env = &cpu->env;
 
     if (env->mmu_model != POWERPC_MMU_BOOKE) {
-        fprintf(stderr, "MMU model %i not supported by this machine.\n",
-            env->mmu_model);
+        error_report("MMU model %i not supported by this machine",
+                     env->mmu_model);
         exit(1);
     }
 
diff --git a/hw/sd/sd.c b/hw/sd/sd.c
index 35347a5bbc..73e405a04f 100644
--- a/hw/sd/sd.c
+++ b/hw/sd/sd.c
@@ -1564,9 +1564,10 @@ send_response:
     if (rsplen) {
         int i;
         DPRINTF("Response:");
-        for (i = 0; i < rsplen; i++)
-            fprintf(stderr, " %02x", response[i]);
-        fprintf(stderr, " state %d\n", sd->state);
+        for (i = 0; i < rsplen; i++) {
+            DPRINTF(" %02x", response[i]);
+        }
+        DPRINTF(" state %d\n", sd->state);
     } else {
         DPRINTF("No response %d\n", sd->state);
     }
diff --git a/hw/sparc/leon3.c b/hw/sparc/leon3.c
index 8c66d5af24..bba3aa3dee 100644
--- a/hw/sparc/leon3.c
+++ b/hw/sparc/leon3.c
@@ -22,6 +22,7 @@
  * THE SOFTWARE.
  */
 #include "qemu/osdep.h"
+#include "qemu/error-report.h"
 #include "qapi/error.h"
 #include "qemu-common.h"
 #include "cpu.h"
@@ -139,9 +140,8 @@ static void leon3_generic_hw_init(MachineState *machine)
 
     /* Allocate RAM */
     if ((uint64_t)ram_size > (1UL << 30)) {
-        fprintf(stderr,
-                "qemu: Too much memory for this machine: %d, maximum 1G\n",
-                (unsigned int)(ram_size / (1024 * 1024)));
+        error_report("Too much memory for this machine: %d, maximum 1G",
+                     (unsigned int)(ram_size / (1024 * 1024)));
         exit(1);
     }
 
@@ -167,19 +167,18 @@ static void leon3_generic_hw_init(MachineState *machine)
     }
 
     if (bios_size > prom_size) {
-        fprintf(stderr, "qemu: could not load prom '%s': file too big\n",
-                filename);
+        error_report("could not load prom '%s': file too big", filename);
         exit(1);
     }
 
     if (bios_size > 0) {
         ret = load_image_targphys(filename, 0x00000000, bios_size);
         if (ret < 0 || ret > prom_size) {
-            fprintf(stderr, "qemu: could not load prom '%s'\n", filename);
+            error_report("could not load prom '%s'", filename);
             exit(1);
         }
     } else if (kernel_filename == NULL && !qtest_enabled()) {
-        fprintf(stderr, "Can't read bios image %s\n", filename);
+        error_report("Can't read bios image %s", filename);
         exit(1);
     }
     g_free(filename);
@@ -192,8 +191,7 @@ static void leon3_generic_hw_init(MachineState *machine)
         kernel_size = load_elf(kernel_filename, NULL, NULL, &entry, NULL, NULL,
                                1 /* big endian */, EM_SPARC, 0, 0);
         if (kernel_size < 0) {
-            fprintf(stderr, "qemu: could not load kernel '%s'\n",
-                    kernel_filename);
+            error_report("could not load kernel '%s'", kernel_filename);
             exit(1);
         }
         if (bios_size <= 0) {
diff --git a/hw/sparc/sun4m.c b/hw/sparc/sun4m.c
index dd0038095b..f9892e38c3 100644
--- a/hw/sparc/sun4m.c
+++ b/hw/sparc/sun4m.c
@@ -259,8 +259,7 @@ static unsigned long sun4m_load_kernel(const char *kernel_filename,
                                               KERNEL_LOAD_ADDR,
                                               RAM_size - KERNEL_LOAD_ADDR);
         if (kernel_size < 0) {
-            fprintf(stderr, "qemu: could not load kernel '%s'\n",
-                    kernel_filename);
+            error_report("could not load kernel '%s'", kernel_filename);
             exit(1);
         }
 
@@ -271,8 +270,8 @@ static unsigned long sun4m_load_kernel(const char *kernel_filename,
                                               INITRD_LOAD_ADDR,
                                               RAM_size - INITRD_LOAD_ADDR);
             if (initrd_size < 0) {
-                fprintf(stderr, "qemu: could not load initial ram disk '%s'\n",
-                        initrd_filename);
+                error_report("could not load initial ram disk '%s'",
+                             initrd_filename);
                 exit(1);
             }
         }
@@ -680,7 +679,7 @@ static void prom_init(hwaddr addr, const char *bios_name)
         ret = -1;
     }
     if (ret < 0 || ret > PROM_SIZE_MAX) {
-        fprintf(stderr, "qemu: could not load prom '%s'\n", bios_name);
+        error_report("could not load prom '%s'", bios_name);
         exit(1);
     }
 }
@@ -746,10 +745,9 @@ static void ram_init(hwaddr addr, ram_addr_t RAM_size,
 
     /* allocate RAM */
     if ((uint64_t)RAM_size > max_mem) {
-        fprintf(stderr,
-                "qemu: Too much memory for this machine: %d, maximum %d\n",
-                (unsigned int)(RAM_size / (1024 * 1024)),
-                (unsigned int)(max_mem / (1024 * 1024)));
+        error_report("Too much memory for this machine: %d, maximum %d",
+                     (unsigned int)(RAM_size / (1024 * 1024)),
+                     (unsigned int)(max_mem / (1024 * 1024)));
         exit(1);
     }
     dev = qdev_create(NULL, "memory");
diff --git a/hw/sparc64/niagara.c b/hw/sparc64/niagara.c
index 7a723326c5..996ce2ada0 100644
--- a/hw/sparc64/niagara.c
+++ b/hw/sparc64/niagara.c
@@ -152,8 +152,8 @@ static void niagara_init(MachineState *machine)
             dinfo->is_default = 1;
             rom_add_file_fixed(blk_bs(blk)->filename, NIAGARA_VDISK_BASE, -1);
         } else {
-            fprintf(stderr, "qemu: could not load ram disk '%s'\n",
-                    blk_bs(blk)->filename);
+            error_report("could not load ram disk '%s'",
+                         blk_bs(blk)->filename);
             exit(1);
         }
     }
diff --git a/hw/sparc64/sun4u.c b/hw/sparc64/sun4u.c
index a23cb26b0d..da28ab9413 100644
--- a/hw/sparc64/sun4u.c
+++ b/hw/sparc64/sun4u.c
@@ -22,6 +22,7 @@
  * THE SOFTWARE.
  */
 #include "qemu/osdep.h"
+#include "qemu/error-report.h"
 #include "qapi/error.h"
 #include "qemu-common.h"
 #include "cpu.h"
@@ -168,8 +169,7 @@ static uint64_t sun4u_load_kernel(const char *kernel_filename,
                                               RAM_size - KERNEL_LOAD_ADDR);
         }
         if (kernel_size < 0) {
-            fprintf(stderr, "qemu: could not load kernel '%s'\n",
-                    kernel_filename);
+            error_report("could not load kernel '%s'", kernel_filename);
             exit(1);
         }
         /* load initrd above kernel */
@@ -181,8 +181,8 @@ static uint64_t sun4u_load_kernel(const char *kernel_filename,
                                                *initrd_addr,
                                                RAM_size - *initrd_addr);
             if ((int)*initrd_size < 0) {
-                fprintf(stderr, "qemu: could not load initial ram disk '%s'\n",
-                        initrd_filename);
+                error_report("could not load initial ram disk '%s'",
+                             initrd_filename);
                 exit(1);
             }
         }
@@ -422,7 +422,7 @@ static void prom_init(hwaddr addr, const char *bios_name)
         ret = -1;
     }
     if (ret < 0 || ret > PROM_SIZE_MAX) {
-        fprintf(stderr, "qemu: could not load prom '%s'\n", bios_name);
+        error_report("could not load prom '%s'", bios_name);
         exit(1);
     }
 }
diff --git a/hw/xen/xen-common.c b/hw/xen/xen-common.c
index 632a938dcc..afa1e3f404 100644
--- a/hw/xen/xen-common.c
+++ b/hw/xen/xen-common.c
@@ -9,6 +9,7 @@
  */
 
 #include "qemu/osdep.h"
+#include "qemu/error-report.h"
 #include "hw/xen/xen_backend.h"
 #include "qmp-commands.h"
 #include "chardev/char.h"
@@ -96,13 +97,13 @@ static void xenstore_record_dm_state(struct xs_handle *xs, const char *state)
     char path[50];
 
     if (xs == NULL) {
-        fprintf(stderr, "xenstore connection not initialized\n");
+        error_report("xenstore connection not initialized");
         exit(1);
     }
 
     snprintf(path, sizeof (path), "device-model/%u/state", xen_domid);
     if (!xs_write(xs, XBT_NULL, path, state, strlen(state))) {
-        fprintf(stderr, "error recording dm state\n");
+        error_report("error recording dm state");
         exit(1);
     }
 }
diff --git a/hw/xenpv/xen_machine_pv.c b/hw/xenpv/xen_machine_pv.c
index 69a52a9f93..44d67b87c4 100644
--- a/hw/xenpv/xen_machine_pv.c
+++ b/hw/xenpv/xen_machine_pv.c
@@ -23,6 +23,7 @@
  */
 
 #include "qemu/osdep.h"
+#include "qemu/error-report.h"
 #include "hw/hw.h"
 #include "hw/boards.h"
 #include "hw/xen/xen_backend.h"
@@ -36,7 +37,7 @@ static void xen_init_pv(MachineState *machine)
 
     /* Initialize backend core & drivers */
     if (xen_be_init() != 0) {
-        fprintf(stderr, "%s: xen backend core setup failed\n", __func__);
+        error_report("%s: xen backend core setup failed", __func__);
         exit(1);
     }
 
@@ -51,18 +52,18 @@ static void xen_init_pv(MachineState *machine)
         const char *initrd_filename = machine->initrd_filename;
         if (xen_domain_build_pv(kernel_filename, initrd_filename,
                                 kernel_cmdline) < 0) {
-            fprintf(stderr, "xen pv domain creation failed\n");
+            error_report("xen pv domain creation failed");
             exit(1);
         }
         break;
     }
 #endif
     case XEN_EMULATE:
-        fprintf(stderr, "xen emulation not implemented (yet)\n");
+        error_report("xen emulation not implemented (yet)");
         exit(1);
         break;
     default:
-        fprintf(stderr, "unhandled xen_mode %d\n", xen_mode);
+        error_report("unhandled xen_mode %d", xen_mode);
         exit(1);
         break;
     }