/*
* Maximum number of hw breakpoint supported on powerpc. Number of
- * breakpoints supported by actual hw might be less than this.
+ * breakpoints supported by actual hw might be less than this, which
+ * is decided at run time in nr_wp_slots().
*/
-#define HBP_NUM_MAX 1
+#define HBP_NUM_MAX 2
#endif /* !__ASSEMBLY__ */
#ifndef _PPC_BOOK3S_64_HW_BREAKPOINT_H
#define _PPC_BOOK3S_64_HW_BREAKPOINT_H
+#include <asm/cpu_has_feature.h>
+
#ifdef __KERNEL__
struct arch_hw_breakpoint {
unsigned long address;
static inline int nr_wp_slots(void)
{
- return HBP_NUM_MAX;
+ return cpu_has_feature(CPU_FTR_DAWR1) ? 2 : 1;
}
#ifdef CONFIG_HAVE_HW_BREAKPOINT