From b4f0a316b5585b6aeca13bf9022e2ad3de8bafd3 Mon Sep 17 00:00:00 2001
From: blueswir1 <blueswir1@c046a42c-6fe2-441c-8c8c-71466251a162>
Date: Sun, 6 May 2007 17:59:24 +0000
Subject: [PATCH] Report unassigned memory access to CPU (not enabled yet)

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2776 c046a42c-6fe2-441c-8c8c-71466251a162
---
 exec.c             | 8 ++++++++
 target-sparc/cpu.h | 5 ++++-
 2 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/exec.c b/exec.c
index 084b84409b..4261dc06b1 100644
--- a/exec.c
+++ b/exec.c
@@ -1958,6 +1958,10 @@ static uint32_t unassigned_mem_readb(void *opaque, target_phys_addr_t addr)
 {
 #ifdef DEBUG_UNASSIGNED
     printf("Unassigned mem read  0x%08x\n", (int)addr);
+#endif
+#ifdef TARGET_SPARC
+    // Not enabled yet because of bugs in gdbstub etc.
+    //raise_exception(TT_DATA_ACCESS);
 #endif
     return 0;
 }
@@ -1967,6 +1971,10 @@ static void unassigned_mem_writeb(void *opaque, target_phys_addr_t addr, uint32_
 #ifdef DEBUG_UNASSIGNED
     printf("Unassigned mem write 0x%08x = 0x%x\n", (int)addr, val);
 #endif
+#ifdef TARGET_SPARC
+    // Not enabled yet because of bugs in gdbstub etc.
+    //raise_exception(TT_DATA_ACCESS);
+#endif
 }
 
 static CPUReadMemoryFunc *unassigned_mem_read[3] = {
diff --git a/target-sparc/cpu.h b/target-sparc/cpu.h
index f3f872ff72..91ed11fd05 100644
--- a/target-sparc/cpu.h
+++ b/target-sparc/cpu.h
@@ -40,6 +40,7 @@
 #define TT_DFAULT   0x09
 #define TT_TOVF     0x0a
 #define TT_EXTINT   0x10
+#define TT_DATA_ACCESS 0x29
 #define TT_DIV_ZERO 0x2a
 #define TT_NCP_INSN 0x24
 #define TT_TRAP     0x80
@@ -55,7 +56,8 @@
 #define TT_DIV_ZERO 0x28
 #define TT_DFAULT   0x30
 #define TT_DMISS    0x31
-#define TT_DPROT    0x32
+#define TT_DATA_ACCESS 0x32
+#define TT_DPROT    0x33
 #define TT_UNALIGNED 0x34
 #define TT_PRIV_ACT 0x37
 #define TT_EXTINT   0x40
@@ -287,6 +289,7 @@ void cpu_set_cwp(CPUSPARCState *env1, int new_cwp);
 #endif
 
 int cpu_sparc_signal_handler(int host_signum, void *pinfo, void *puc);
+void raise_exception(int tt);
 
 #include "cpu-all.h"
 
-- 
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