summaryrefslogtreecommitdiff
path: root/include/asm-x86/processor.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/asm-x86/processor.h')
-rw-r--r--include/asm-x86/processor.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/include/asm-x86/processor.h b/include/asm-x86/processor.h
index 52e3637ef59e..3deb5ba55f55 100644
--- a/include/asm-x86/processor.h
+++ b/include/asm-x86/processor.h
@@ -10,6 +10,17 @@ struct mm_struct;
#include <asm/page.h>
#include <asm/system.h>
+/*
+ * Default implementation of macro that returns current
+ * instruction pointer ("program counter").
+ */
+static inline void *current_text_addr(void)
+{
+ void *pc;
+ asm volatile("mov $1f,%0\n1:":"=r" (pc));
+ return pc;
+}
+
static inline void native_cpuid(unsigned int *eax, unsigned int *ebx,
unsigned int *ecx, unsigned int *edx)
{