[Qemu-devel] [5141] SH4: R2D-PLUS FPGA: simply unassigned memory triggering

[Aurelien Jarno]

Revision: 5141
          http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=5141
Author:   aurel32
Date:     2008-09-02 23:26:23 +0000 (Tue, 02 Sep 2008)

Log Message:
-----------
SH4: R2D-PLUS FPGA: simply unassigned memory triggering

Use NULL to trigger unassigned memory error on 32-bit accesses instead
of assert(0) as suggested by Blue Swirl.

Signed-off-by: Aurelien Jarno <address@hidden>

Modified Paths:
--------------
    trunk/hw/r2d.c

Modified: trunk/hw/r2d.c
===================================================================
--- trunk/hw/r2d.c      2008-09-02 23:26:13 UTC (rev 5140)
+++ trunk/hw/r2d.c      2008-09-02 23:26:23 UTC (rev 5141)
@@ -27,7 +27,6 @@
 #include "sh.h"
 #include "sysemu.h"
 #include "boards.h"
-#include "assert.h"
 
 #define SDRAM_BASE 0x0c000000 /* Physical location of SDRAM: Area 3 */
 #define SDRAM_SIZE 0x04000000
@@ -100,29 +99,16 @@
     }
 }
 
-static uint32_t invalid_read(void *opaque, target_phys_addr_t addr)
-{
-    assert(0);
-
-    return 0;
-}
-
-static void invalid_write(void *opaque, target_phys_addr_t addr,
-                         uint32_t mem_value)
-{
-    assert(0);
-}
-
 static CPUReadMemoryFunc *r2d_fpga_readfn[] = {
     r2d_fpga_read,
     r2d_fpga_read,
-    invalid_read,
+    NULL,
 };
 
 static CPUWriteMemoryFunc *r2d_fpga_writefn[] = {
     r2d_fpga_write,
     r2d_fpga_write,
-    invalid_write,
+    NULL,
 };
 
 static void r2d_fpga_init(target_phys_addr_t base)