powerpc/kernel/process.c

760 static void set_breakpoint(int i, struct arch_hw_breakpoint *brk)
763 	__set_breakpoint(i, brk);
807 static inline int set_dabr(struct arch_hw_breakpoint *brk)
811 	dabr = brk->address | (brk->type & HW_BRK_TYPE_DABR);
812 	dabrx = ((brk->type >> 3) & 0x7);
832 static inline int set_breakpoint_8xx(struct arch_hw_breakpoint *brk)
837 	unsigned long start_addr = ALIGN_DOWN(brk->address, HW_BREAKPOINT_SIZE);
838 	unsigned long end_addr = ALIGN(brk->address + brk->len, HW_BREAKPOINT_SIZE);
849 	if ((brk->type & HW_BRK_TYPE_RDWR) == 0)
852 	if ((brk->type & HW_BRK_TYPE_RDWR) == HW_BRK_TYPE_READ)
854 	if ((brk->type & HW_BRK_TYPE_RDWR) == HW_BRK_TYPE_WRITE)
865 static void set_hw_breakpoint(int nr, struct arch_hw_breakpoint *brk)
869 		set_dawr(nr, brk);
871 		set_breakpoint_8xx(brk);
874 		set_dabr(brk);
880 void __set_breakpoint(int nr, struct arch_hw_breakpoint *brk)
882 	memcpy(this_cpu_ptr(&current_brk[nr]), brk, sizeof(*brk));
883 	set_hw_breakpoint(nr, brk);
901 	struct arch_hw_breakpoint brk = {0};
908 		set_hw_breakpoint(i, &brk);