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1 | /* |
2 | * ========== Copyright Header Begin ========================================== | |
3 | * | |
4 | * OpenSPARC T2 Processor File: tlu_1intvec.s | |
5 | * Copyright (C) 1995-2007 Sun Microsystems, Inc. All Rights Reserved | |
6 | * 4150 Network Circle, Santa Clara, California 95054, U.S.A. | |
7 | * | |
8 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
9 | * | |
10 | * This program is free software; you can redistribute it and/or modify | |
11 | * it under the terms of the GNU General Public License as published by | |
12 | * the Free Software Foundation; version 2 of the License. | |
13 | * | |
14 | * This program is distributed in the hope that it will be useful, | |
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | * GNU General Public License for more details. | |
18 | * | |
19 | * You should have received a copy of the GNU General Public License | |
20 | * along with this program; if not, write to the Free Software | |
21 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
22 | * | |
23 | * For the avoidance of doubt, and except that if any non-GPL license | |
24 | * choice is available it will apply instead, Sun elects to use only | |
25 | * the General Public License version 2 (GPLv2) at this time for any | |
26 | * software where a choice of GPL license versions is made | |
27 | * available with the language indicating that GPLv2 or any later version | |
28 | * may be used, or where a choice of which version of the GPL is applied is | |
29 | * otherwise unspecified. | |
30 | * | |
31 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, | |
32 | * CA 95054 USA or visit www.sun.com if you need additional information or | |
33 | * have any questions. | |
34 | * | |
35 | * | |
36 | * ========== Copyright Header End ============================================ | |
37 | */ | |
38 | #define CREGS_PSTATE_IE 0 | |
39 | #define MAIN_PAGE_HV_ALSO | |
40 | #define MAIN_PAGE_NUCLEUS_ALSO | |
41 | ||
42 | #define H_HT0_Interrupt_0x60 | |
43 | #define My_HT0_Interrupt_0x60 \ | |
44 | ldxa [%g0] ASI_SWVR_INTR_RECEIVE, %g1 ;\ | |
45 | ldxa [%g0] ASI_SWVR_INTR_R, %g2 ;\ | |
46 | ldxa [%g0] ASI_SWVR_INTR_RECEIVE, %g3 ;\ | |
47 | cmp %g1, %g3 ;\ | |
48 | tne %xcc, T_GOOD_TRAP;\ | |
49 | ta T_BAD_TRAP; | |
50 | ||
51 | #include "hboot.s" | |
52 | ||
53 | .text | |
54 | .global main | |
55 | main: | |
56 | ||
57 | ta T_CHANGE_HPRIV | |
58 | wrpr %g0, %g0, %pstate | |
59 | ||
60 | sync_threads | |
61 | ||
62 | ldxa [%g0]0x63, %o1 ! get TID | |
63 | ||
64 | send_interrupt: | |
65 | ! Format vector and dest | |
66 | rd %tick, %r1 | |
67 | and %r1, 0x3f, %r2 | |
68 | mov MAX_THREADS-1, %r1 | |
69 | sub %r1, %o1, %r3 | |
70 | sllx %r3, 8, %r3 | |
71 | or %r2, %r3, %r3 | |
72 | stxa %r3, [%g0] 0x73 | |
73 | nop | |
74 | ||
75 | ta T_CHANGE_NONHPRIV | |
76 | ||
77 | wait_loops: | |
78 | mov 1000, %g1 | |
79 | wait: | |
80 | brnz %g1, wait | |
81 | dec %g1 | |
82 | ||
83 | ta T_BAD_TRAP | |
84 |