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authorAndreas Färber <afaerber@suse.de>2013-05-27 06:49:53 +0200
committerAndreas Färber <afaerber@suse.de>2013-06-28 13:25:13 +0200
commitc658b94f6e8c206c59d02aa6fbac285b86b53d2c (patch)
tree100efd8e543a576daa8d7dc6684ce1154ea08245 /include/qom/cpu.h
parentce927ed9e40e25008453eb8f130661514b633341 (diff)
cpu: Turn cpu_unassigned_access() into a CPUState hook
Use it for all targets, but be careful not to pass invalid CPUState. cpu_single_env can be NULL, e.g. on Xen. Signed-off-by: Andreas Färber <afaerber@suse.de>
Diffstat (limited to 'include/qom/cpu.h')
-rw-r--r--include/qom/cpu.h33
1 files changed, 33 insertions, 0 deletions
diff --git a/include/qom/cpu.h b/include/qom/cpu.h
index d9b73db118..7cb5e54cf2 100644
--- a/include/qom/cpu.h
+++ b/include/qom/cpu.h
@@ -22,6 +22,7 @@
#include <signal.h>
#include "hw/qdev-core.h"
+#include "exec/hwaddr.h"
#include "qemu/thread.h"
#include "qemu/typedefs.h"
@@ -42,12 +43,17 @@ typedef int (*WriteCoreDumpFunction)(void *buf, size_t size, void *opaque);
typedef struct CPUState CPUState;
+typedef void (*CPUUnassignedAccess)(CPUState *cpu, hwaddr addr,
+ bool is_write, bool is_exec, int opaque,
+ unsigned size);
+
/**
* CPUClass:
* @class_by_name: Callback to map -cpu command line model name to an
* instantiatable CPU type.
* @reset: Callback to reset the #CPUState to its initial state.
* @do_interrupt: Callback for interrupt handling.
+ * @do_unassigned_access: Callback for unassigned access handling.
* @dump_state: Callback for dumping state.
* @dump_statistics: Callback for dumping statistics.
* @get_arch_id: Callback for getting architecture-dependent CPU ID.
@@ -66,6 +72,7 @@ typedef struct CPUClass {
void (*reset)(CPUState *cpu);
void (*do_interrupt)(CPUState *cpu);
+ CPUUnassignedAccess do_unassigned_access;
void (*dump_state)(CPUState *cpu, FILE *f, fprintf_function cpu_fprintf,
int flags);
void (*dump_statistics)(CPUState *cpu, FILE *f,
@@ -280,6 +287,17 @@ static inline void cpu_class_set_vmsd(CPUClass *cc,
#define cpu_class_set_vmsd(cc, value) ((cc)->vmsd = NULL)
#endif
+#ifndef CONFIG_USER_ONLY
+static inline void cpu_class_set_do_unassigned_access(CPUClass *cc,
+ CPUUnassignedAccess value)
+{
+ cc->do_unassigned_access = value;
+}
+#else
+#define cpu_class_set_do_unassigned_access(cc, value) \
+ ((cc)->do_unassigned_access = NULL)
+#endif
+
/**
* device_class_set_vmsd:
* @dc: Device class
@@ -403,6 +421,21 @@ void cpu_interrupt(CPUState *cpu, int mask);
#endif /* USER_ONLY */
+#ifndef CONFIG_USER_ONLY
+
+static inline void cpu_unassigned_access(CPUState *cpu, hwaddr addr,
+ bool is_write, bool is_exec,
+ int opaque, unsigned size)
+{
+ CPUClass *cc = CPU_GET_CLASS(cpu);
+
+ if (cc->do_unassigned_access) {
+ cc->do_unassigned_access(cpu, addr, is_write, is_exec, opaque, size);
+ }
+}
+
+#endif
+
/**
* cpu_reset_interrupt:
* @cpu: The CPU to clear the interrupt on.