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authorWen Congyang <wency@cn.fujitsu.com>2012-05-07 12:05:42 +0800
committerLuiz Capitulino <lcapitulino@redhat.com>2012-06-04 13:49:33 -0300
commit31a2207a8e1c39bcf88e527ac62f4e12316920a4 (patch)
tree0f2962a00dc5fc1f65d420ef2ca99d4741d69691 /target-i386
parentfae001f55190b4de511269ca63eb635646d1c7c9 (diff)
Add API to check whether paging mode is enabled
This API will be used in the following patch. Signed-off-by: Wen Congyang <wency@cn.fujitsu.com> Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Diffstat (limited to 'target-i386')
-rw-r--r--target-i386/arch_memory_mapping.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/target-i386/arch_memory_mapping.c b/target-i386/arch_memory_mapping.c
index dd64becf73..bd50e1143a 100644
--- a/target-i386/arch_memory_mapping.c
+++ b/target-i386/arch_memory_mapping.c
@@ -233,7 +233,7 @@ static void walk_pml4e(MemoryMappingList *list,
int cpu_get_memory_mapping(MemoryMappingList *list, CPUArchState *env)
{
- if (!(env->cr[0] & CR0_PG_MASK)) {
+ if (!cpu_paging_enabled(env)) {
/* paging is disabled */
return 0;
}
@@ -264,3 +264,8 @@ int cpu_get_memory_mapping(MemoryMappingList *list, CPUArchState *env)
return 0;
}
+
+bool cpu_paging_enabled(CPUArchState *env)
+{
+ return env->cr[0] & CR0_PG_MASK;
+}