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| 1 | # |
1 | # |
| 2 | # Copyright (C) 2005 Jakub Jermar |
2 | # Copyright (C) 2005 Jakub Jermar |
| 3 | # All rights reserved. |
3 | # All rights reserved. |
| 4 | # |
4 | # |
| 5 | # Redistribution and use in source and binary forms, with or without |
5 | # Redistribution and use in source and binary forms, with or without |
| 6 | # modification, are permitted provided that the following conditions |
6 | # modification, are permitted provided that the following conditions |
| 7 | # are met: |
7 | # are met: |
| 8 | # |
8 | # |
| 9 | # - Redistributions of source code must retain the above copyright |
9 | # - Redistributions of source code must retain the above copyright |
| 10 | # notice, this list of conditions and the following disclaimer. |
10 | # notice, this list of conditions and the following disclaimer. |
| 11 | # - Redistributions in binary form must reproduce the above copyright |
11 | # - Redistributions in binary form must reproduce the above copyright |
| 12 | # notice, this list of conditions and the following disclaimer in the |
12 | # notice, this list of conditions and the following disclaimer in the |
| 13 | # documentation and/or other materials provided with the distribution. |
13 | # documentation and/or other materials provided with the distribution. |
| 14 | # - The name of the author may not be used to endorse or promote products |
14 | # - The name of the author may not be used to endorse or promote products |
| 15 | # derived from this software without specific prior written permission. |
15 | # derived from this software without specific prior written permission. |
| 16 | # |
16 | # |
| 17 | # THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
17 | # THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| 18 | # IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
18 | # IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| 19 | # OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
19 | # OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| 20 | # IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
20 | # IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| 21 | # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
21 | # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| 22 | # NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
22 | # NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 23 | # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
23 | # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 24 | # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
24 | # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 25 | # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
25 | # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| 26 | # THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
26 | # THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 27 | # |
27 | # |
| 28 | 28 | ||
| 29 | #include <arch/stack.h> |
29 | #include <arch/stack.h> |
| 30 | #include <arch/register.h> |
30 | #include <arch/regdef.h> |
| 31 | 31 | ||
| 32 | .text |
32 | .text |
| 33 | 33 | ||
| 34 | .global memcpy |
34 | .global memcpy |
| 35 | .global memcpy_from_uspace |
35 | .global memcpy_from_uspace |
| 36 | .global memcpy_to_uspace |
36 | .global memcpy_to_uspace |
| 37 | .global memcpy_from_uspace_failover_address |
37 | .global memcpy_from_uspace_failover_address |
| 38 | .global memcpy_to_uspace_failover_address |
38 | .global memcpy_to_uspace_failover_address |
| 39 | .global memsetb |
39 | .global memsetb |
| 40 | 40 | ||
| 41 | 41 | ||
| 42 | memcpy: |
42 | memcpy: |
| 43 | memcpy_from_uspace: |
43 | memcpy_from_uspace: |
| 44 | memcpy_to_uspace: |
44 | memcpy_to_uspace: |
| 45 | 45 | ||
| 46 | b _memcpy |
46 | b _memcpy |
| 47 | nop |
47 | nop |
| 48 | 48 | ||
| 49 | memcpy_from_uspace_failover_address: |
49 | memcpy_from_uspace_failover_address: |
| 50 | memcpy_to_uspace_failover_address: |
50 | memcpy_to_uspace_failover_address: |
| 51 | b memcpy_from_uspace_failover_address |
51 | b memcpy_from_uspace_failover_address |
| 52 | nop |
52 | nop |
| 53 | 53 | ||
| 54 | memsetb: |
54 | memsetb: |
| 55 | b _memsetb |
55 | b _memsetb |
| 56 | nop |
56 | nop |
| 57 | 57 | ||
| 58 | .global ofw |
58 | .global ofw |
| 59 | ofw: |
59 | ofw: |
| 60 | save %sp, -STACK_WINDOW_SAVE_AREA_SIZE, %sp |
60 | save %sp, -STACK_WINDOW_SAVE_AREA_SIZE, %sp |
| 61 | set ofw_cif, %l0 |
61 | set ofw_cif, %l0 |
| 62 | ldx [%l0], %l0 |
62 | ldx [%l0], %l0 |
| 63 | 63 | ||
| 64 | rdpr %pstate, %l1 |
64 | rdpr %pstate, %l1 |
| 65 | and %l1, ~PSTATE_AM_BIT, %l2 |
65 | and %l1, ~PSTATE_AM_BIT, %l2 |
| 66 | wrpr %l2, 0, %pstate |
66 | wrpr %l2, 0, %pstate |
| 67 | 67 | ||
| 68 | jmpl %l0, %o7 |
68 | jmpl %l0, %o7 |
| 69 | mov %i0, %o0 |
69 | mov %i0, %o0 |
| 70 | 70 | ||
| 71 | wrpr %l1, 0, %pstate |
71 | wrpr %l1, 0, %pstate |
| 72 | 72 | ||
| 73 | ret |
73 | ret |
| 74 | restore %o0, 0, %o0 |
74 | restore %o0, 0, %o0 |
| 75 | 75 | ||