From: Qiang Liu <cyruscyliu@gmail.com>

This patch replaces hw_error to guest error log for [read|write]b
accesses when mode_16bit is enabled. This avoids aborting qemu.

Fixes: 1248f8d4cbc3 ("hw/lan9118: Add basic 16-bit mode support.")
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1433
Reported-by: Qiang Liu <cyruscyliu@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Qiang Liu <cyruscyliu@gmail.com>
Suggested-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Jason Wang <jasowang@redhat.com>
---
 hw/net/lan9118.c | 17 ++++++++---------
 1 file changed, 8 insertions(+), 9 deletions(-)

diff --git a/hw/net/lan9118.c b/hw/net/lan9118.c
index f1cba55..e5c4af1 100644
--- a/hw/net/lan9118.c
+++ b/hw/net/lan9118.c
@@ -15,7 +15,6 @@
 #include "migration/vmstate.h"
 #include "net/net.h"
 #include "net/eth.h"
-#include "hw/hw.h"
 #include "hw/irq.h"
 #include "hw/net/lan9118.h"
 #include "hw/ptimer.h"
@@ -32,12 +31,8 @@
 #ifdef DEBUG_LAN9118
 #define DPRINTF(fmt, ...) \
 do { printf("lan9118: " fmt , ## __VA_ARGS__); } while (0)
-#define BADF(fmt, ...) \
-do { hw_error("lan9118: error: " fmt , ## __VA_ARGS__);} while (0)
 #else
 #define DPRINTF(fmt, ...) do {} while(0)
-#define BADF(fmt, ...) \
-do { fprintf(stderr, "lan9118: error: " fmt , ## __VA_ARGS__);} while (0)
 #endif
 
 /* The tx and rx fifo ports are a range of aliased 32-bit registers */
@@ -848,7 +843,8 @@ static uint32_t do_phy_read(lan9118_state *s, int reg)
     case 30: /* Interrupt mask */
         return s->phy_int_mask;
     default:
-        BADF("PHY read reg %d\n", reg);
+        qemu_log_mask(LOG_GUEST_ERROR,
+                      "do_phy_read: PHY read reg %d\n", reg);
         return 0;
     }
 }
@@ -876,7 +872,8 @@ static void do_phy_write(lan9118_state *s, int reg, uint32_t val)
         phy_update_irq(s);
         break;
     default:
-        BADF("PHY write reg %d = 0x%04x\n", reg, val);
+        qemu_log_mask(LOG_GUEST_ERROR,
+                      "do_phy_write: PHY write reg %d = 0x%04x\n", reg, val);
     }
 }
 
@@ -1209,7 +1206,8 @@ static void lan9118_16bit_mode_write(void *opaque, hwaddr offset,
         return;
     }
 
-    hw_error("lan9118_write: Bad size 0x%x\n", size);
+    qemu_log_mask(LOG_GUEST_ERROR,
+                  "lan9118_16bit_mode_write: Bad size 0x%x\n", size);
 }
 
 static uint64_t lan9118_readl(void *opaque, hwaddr offset,
@@ -1324,7 +1322,8 @@ static uint64_t lan9118_16bit_mode_read(void *opaque, hwaddr offset,
         return lan9118_readl(opaque, offset, size);
     }
 
-    hw_error("lan9118_read: Bad size 0x%x\n", size);
+    qemu_log_mask(LOG_GUEST_ERROR,
+                  "lan9118_16bit_mode_read: Bad size 0x%x\n", size);
     return 0;
 }
 
-- 
2.7.4