7 * with the License.
8 *
9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10 * or http://www.opensolaris.org/os/licensing.
11 * See the License for the specific language governing permissions
12 * and limitations under the License.
13 *
14 * When distributing Covered Code, include this CDDL HEADER in each
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 * If applicable, add the following below this CDDL HEADER, with the
17 * fields enclosed by brackets "[]" replaced with your own identifying
18 * information: Portions Copyright [yyyy] [name of copyright owner]
19 *
20 * CDDL HEADER END
21 */
22 /*
23 * Copyright 2005 Sun Microsystems, Inc. All rights reserved.
24 * Use is subject to license terms.
25 */
26
27 #pragma ident "%Z%%M% %I% %E% SMI"
28
29 #include <sys/asm_linkage.h>
30 #include <sys/machthread.h>
31 #include <sys/privregs.h>
32 #include <sys/machasi.h>
33 #include <sys/trap.h>
34 #include <sys/mmu.h>
35 #include <sys/machparam.h>
36 #include <sys/machtrap.h>
37 #include <sys/traptrace.h>
38
39 #if !defined(lint)
40 #include "assym.h"
41
42 /*
43 * Spill fault handlers
44 * sn0 - spill normal tl 0
45 * sn1 - spill normal tl >0
46 * so0 - spill other tl 0
47 * so1 - spill other tl >0
48 */
49
50 ENTRY_NP(fault_32bit_sn0)
51 !
52 FAULT_WINTRACE(%g1, %g2, %g3, TT_F32_SN0)
53 !
54 ! Spill normal tl0 fault.
55 ! This happens when a user tries to spill to an unmapped or
56 ! misaligned stack. We handle an unmapped stack by simulating
57 ! a pagefault at the trap pc and a misaligned stack by generating
58 ! a user alignment trap.
59 !
496 b .fault_fn1_common
497 nop
498 SET_SIZE(fault_64bit_fn1)
499
500 ENTRY_NP(fault_rtt_fn1)
501 FAULT_WINTRACE(%g1, %g2, %g3, TT_RTT_FN1)
502 wrpr %g0, 1, %gl
503 b .fault_fn1_common
504 nop
505 SET_SIZE(fault_rtt_fn1)
506
507 /*
508 * Kernel fault handlers
509 */
510 ENTRY_NP(fault_32bit_not)
511 ENTRY_NP(fault_64bit_not)
512 ba,pt %xcc, ptl1_panic
513 mov PTL1_BAD_WTRAP, %g1
514 SET_SIZE(fault_32bit_not)
515 SET_SIZE(fault_64bit_not)
516 #endif /* !lint */
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7 * with the License.
8 *
9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10 * or http://www.opensolaris.org/os/licensing.
11 * See the License for the specific language governing permissions
12 * and limitations under the License.
13 *
14 * When distributing Covered Code, include this CDDL HEADER in each
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 * If applicable, add the following below this CDDL HEADER, with the
17 * fields enclosed by brackets "[]" replaced with your own identifying
18 * information: Portions Copyright [yyyy] [name of copyright owner]
19 *
20 * CDDL HEADER END
21 */
22 /*
23 * Copyright 2005 Sun Microsystems, Inc. All rights reserved.
24 * Use is subject to license terms.
25 */
26
27 #include <sys/asm_linkage.h>
28 #include <sys/machthread.h>
29 #include <sys/privregs.h>
30 #include <sys/machasi.h>
31 #include <sys/trap.h>
32 #include <sys/mmu.h>
33 #include <sys/machparam.h>
34 #include <sys/machtrap.h>
35 #include <sys/traptrace.h>
36
37 #include "assym.h"
38
39 /*
40 * Spill fault handlers
41 * sn0 - spill normal tl 0
42 * sn1 - spill normal tl >0
43 * so0 - spill other tl 0
44 * so1 - spill other tl >0
45 */
46
47 ENTRY_NP(fault_32bit_sn0)
48 !
49 FAULT_WINTRACE(%g1, %g2, %g3, TT_F32_SN0)
50 !
51 ! Spill normal tl0 fault.
52 ! This happens when a user tries to spill to an unmapped or
53 ! misaligned stack. We handle an unmapped stack by simulating
54 ! a pagefault at the trap pc and a misaligned stack by generating
55 ! a user alignment trap.
56 !
493 b .fault_fn1_common
494 nop
495 SET_SIZE(fault_64bit_fn1)
496
497 ENTRY_NP(fault_rtt_fn1)
498 FAULT_WINTRACE(%g1, %g2, %g3, TT_RTT_FN1)
499 wrpr %g0, 1, %gl
500 b .fault_fn1_common
501 nop
502 SET_SIZE(fault_rtt_fn1)
503
504 /*
505 * Kernel fault handlers
506 */
507 ENTRY_NP(fault_32bit_not)
508 ENTRY_NP(fault_64bit_not)
509 ba,pt %xcc, ptl1_panic
510 mov PTL1_BAD_WTRAP, %g1
511 SET_SIZE(fault_32bit_not)
512 SET_SIZE(fault_64bit_not)
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