Differential D30219 Diff 89045 sys/powerpc/powerpc/trap.c

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sys/powerpc/powerpc/trap.c

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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.		* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*		*
* $NetBSD: trap.c,v 1.58 2002/03/04 04:07:35 dbj Exp $		* $NetBSD: trap.c,v 1.58 2002/03/04 04:07:35 dbj Exp $
*/		*/

#include <sys/cdefs.h>		#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");		__FBSDID("$FreeBSD$");

		#include "opt_hwpmc_hooks.h"

#include <sys/param.h>		#include <sys/param.h>
#include <sys/kdb.h>		#include <sys/kdb.h>
#include <sys/proc.h>		#include <sys/proc.h>
#include <sys/ktr.h>		#include <sys/ktr.h>
#include <sys/lock.h>		#include <sys/lock.h>
#include <sys/mutex.h>		#include <sys/mutex.h>
#include <sys/ptrace.h>		#include <sys/ptrace.h>
#include <sys/reboot.h>		#include <sys/reboot.h>
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#include <machine/frame.h>		#include <machine/frame.h>
#include <machine/pcb.h>		#include <machine/pcb.h>
#include <machine/psl.h>		#include <machine/psl.h>
#include <machine/slb.h>		#include <machine/slb.h>
#include <machine/spr.h>		#include <machine/spr.h>
#include <machine/sr.h>		#include <machine/sr.h>
#include <machine/trap.h>		#include <machine/trap.h>

		#ifdef HWPMC_HOOKS
		#include <sys/pmckern.h>
		PMC_SOFT_DEFINE( , , page_fault, all);
		PMC_SOFT_DEFINE( , , page_fault, read);
		PMC_SOFT_DEFINE( , , page_fault, write);
		#endif

/* Below matches setjmp.S */		/* Below matches setjmp.S */
#define FAULTBUF_LR 21		#define FAULTBUF_LR 21
#define FAULTBUF_R1 1		#define FAULTBUF_R1 1
#define FAULTBUF_R2 2		#define FAULTBUF_R2 2
#define FAULTBUF_CR 22		#define FAULTBUF_CR 22
#define FAULTBUF_R14 3		#define FAULTBUF_R14 3

#define MOREARGS(sp) ((caddr_t)((uintptr_t)(sp) + \		#define MOREARGS(sp) ((caddr_t)((uintptr_t)(sp) + \
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}		}

/* Fault in the page. */		/* Fault in the page. */
rv = vm_fault_trap(map, eva, ftype, VM_FAULT_NORMAL, signo, ucode);		rv = vm_fault_trap(map, eva, ftype, VM_FAULT_NORMAL, signo, ucode);
/*		/*
* XXXDTRACE: add dtrace_doubletrap_func here?		* XXXDTRACE: add dtrace_doubletrap_func here?
*/		*/

if (rv == KERN_SUCCESS)		if (rv == KERN_SUCCESS) {
		#ifdef HWPMC_HOOKS
		pmc_soft_page_fault(ftype, frame);
		#endif
return (true);		return (true);
		}

if (!user && handle_onfault(frame))		if (!user && handle_onfault(frame))
return (true);		return (true);

return (false);		return (false);
}		}

/*		/*
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