From: Philippe Mathieu-Daudé <f4bug@amsat.org>

hw_error() calls exit(). This a bit overkill when we can log
the accesses as unimplemented or guest error.

When fuzzing the devices, we don't want the whole process to
exit. Replace some hw_error() calls by qemu_log_mask().

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20200518140309.5220-3-f4bug@amsat.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
 hw/arm/pxa2xx_gpio.c    |  7 ++++---
 hw/display/pxa2xx_lcd.c |  8 +++++---
 hw/dma/pxa2xx_dma.c     | 14 +++++++++-----
 3 files changed, 18 insertions(+), 11 deletions(-)

diff --git a/hw/arm/pxa2xx_gpio.c b/hw/arm/pxa2xx_gpio.c
index f8df3cc2279..a01db54a518 100644
--- a/hw/arm/pxa2xx_gpio.c
+++ b/hw/arm/pxa2xx_gpio.c
@@ -9,7 +9,6 @@
 
 #include "qemu/osdep.h"
 #include "cpu.h"
-#include "hw/hw.h"
 #include "hw/irq.h"
 #include "hw/qdev-properties.h"
 #include "hw/sysbus.h"
@@ -199,7 +198,8 @@ static uint64_t pxa2xx_gpio_read(void *opaque, hwaddr offset,
         return s->status[bank];
 
     default:
-        hw_error("%s: Bad offset " REG_FMT "\n", __func__, offset);
+        qemu_log_mask(LOG_GUEST_ERROR, "%s: Bad offset 0x%" HWADDR_PRIX "\n",
+                      __func__, offset);
     }
 
     return 0;
@@ -252,7 +252,8 @@ static void pxa2xx_gpio_write(void *opaque, hwaddr offset,
         break;
 
     default:
-        hw_error("%s: Bad offset " REG_FMT "\n", __func__, offset);
+        qemu_log_mask(LOG_GUEST_ERROR, "%s: Bad offset 0x%" HWADDR_PRIX "\n",
+                      __func__, offset);
     }
 }
 
diff --git a/hw/display/pxa2xx_lcd.c b/hw/display/pxa2xx_lcd.c
index 464e93161a2..d5f2e82a4ec 100644
--- a/hw/display/pxa2xx_lcd.c
+++ b/hw/display/pxa2xx_lcd.c
@@ -11,7 +11,7 @@
  */
 
 #include "qemu/osdep.h"
-#include "hw/hw.h"
+#include "qemu/log.h"
 #include "hw/irq.h"
 #include "migration/vmstate.h"
 #include "ui/console.h"
@@ -407,7 +407,8 @@ static uint64_t pxa2xx_lcdc_read(void *opaque, hwaddr offset,
 
     default:
     fail:
-        hw_error("%s: Bad offset " REG_FMT "\n", __func__, offset);
+        qemu_log_mask(LOG_GUEST_ERROR, "%s: Bad offset 0x%" HWADDR_PRIX "\n",
+                      __func__, offset);
     }
 
     return 0;
@@ -562,7 +563,8 @@ static void pxa2xx_lcdc_write(void *opaque, hwaddr offset,
 
     default:
     fail:
-        hw_error("%s: Bad offset " REG_FMT "\n", __func__, offset);
+        qemu_log_mask(LOG_GUEST_ERROR, "%s: Bad offset 0x%" HWADDR_PRIX "\n",
+                      __func__, offset);
     }
 }
 
diff --git a/hw/dma/pxa2xx_dma.c b/hw/dma/pxa2xx_dma.c
index 88ed4b6ff1f..8a2eeb32bc3 100644
--- a/hw/dma/pxa2xx_dma.c
+++ b/hw/dma/pxa2xx_dma.c
@@ -9,6 +9,7 @@
  */
 
 #include "qemu/osdep.h"
+#include "qemu/log.h"
 #include "hw/hw.h"
 #include "hw/irq.h"
 #include "hw/qdev-properties.h"
@@ -268,7 +269,8 @@ static uint64_t pxa2xx_dma_read(void *opaque, hwaddr offset,
     unsigned int channel;
 
     if (size != 4) {
-        hw_error("%s: Bad access width\n", __func__);
+        qemu_log_mask(LOG_GUEST_ERROR, "%s: Bad access width %u\n",
+                      __func__, size);
         return 5;
     }
 
@@ -315,8 +317,8 @@ static uint64_t pxa2xx_dma_read(void *opaque, hwaddr offset,
             return s->chan[channel].cmd;
         }
     }
-
-    hw_error("%s: Bad offset 0x" TARGET_FMT_plx "\n", __func__, offset);
+    qemu_log_mask(LOG_GUEST_ERROR, "%s: Bad offset 0x%" HWADDR_PRIX "\n",
+                  __func__, offset);
     return 7;
 }
 
@@ -327,7 +329,8 @@ static void pxa2xx_dma_write(void *opaque, hwaddr offset,
     unsigned int channel;
 
     if (size != 4) {
-        hw_error("%s: Bad access width\n", __func__);
+        qemu_log_mask(LOG_GUEST_ERROR, "%s: Bad access width %u\n",
+                      __func__, size);
         return;
     }
 
@@ -420,7 +423,8 @@ static void pxa2xx_dma_write(void *opaque, hwaddr offset,
             break;
         }
     fail:
-        hw_error("%s: Bad offset " TARGET_FMT_plx "\n", __func__, offset);
+        qemu_log_mask(LOG_GUEST_ERROR, "%s: Bad offset 0x%" HWADDR_PRIX "\n",
+                      __func__, offset);
     }
 }
 
-- 
2.20.1