Rev 1288 | Details | Compare with Previous | Last modification | View Log | RSS feed
| Rev | Author | Line No. | Line |
|---|---|---|---|
| 426 | jermar | 1 | # |
| 2 | # Copyright (C) 2005 Jakub Jermar |
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| 3 | # All rights reserved. |
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| 4 | # |
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| 5 | # Redistribution and use in source and binary forms, with or without |
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| 6 | # modification, are permitted provided that the following conditions |
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| 7 | # are met: |
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| 8 | # |
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| 9 | # - Redistributions of source code must retain the above copyright |
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| 10 | # notice, this list of conditions and the following disclaimer. |
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| 11 | # - Redistributions in binary form must reproduce the above copyright |
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| 12 | # notice, this list of conditions and the following disclaimer in the |
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| 13 | # documentation and/or other materials provided with the distribution. |
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| 14 | # - The name of the author may not be used to endorse or promote products |
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| 15 | # derived from this software without specific prior written permission. |
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| 16 | # |
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| 17 | # THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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| 18 | # IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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| 19 | # OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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| 20 | # IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
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| 21 | # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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| 22 | # NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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| 23 | # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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| 24 | # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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| 25 | # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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| 26 | # THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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| 27 | # |
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| 28 | |||
| 1784 | jermar | 29 | #include <arch/stack.h> |
| 30 | #include <arch/register.h> |
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| 31 | |||
| 426 | jermar | 32 | .text |
| 33 | |||
| 34 | .global memcpy |
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| 1288 | jermar | 35 | .global memcpy_from_uspace |
| 36 | .global memcpy_to_uspace |
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| 37 | .global memcpy_from_uspace_failover_address |
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| 38 | .global memcpy_to_uspace_failover_address |
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| 426 | jermar | 39 | .global memsetb |
| 40 | |||
| 1784 | jermar | 41 | |
| 426 | jermar | 42 | memcpy: |
| 1288 | jermar | 43 | memcpy_from_uspace: |
| 44 | memcpy_to_uspace: |
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| 45 | |||
| 426 | jermar | 46 | b _memcpy |
| 47 | nop |
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| 48 | |||
| 1288 | jermar | 49 | memcpy_from_uspace_failover_address: |
| 50 | memcpy_to_uspace_failover_address: |
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| 51 | b memcpy_from_uspace_failover_address |
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| 52 | nop |
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| 53 | |||
| 426 | jermar | 54 | memsetb: |
| 55 | b _memsetb |
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| 56 | nop |
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| 57 | |||
| 1784 | jermar | 58 | .global ofw |
| 59 | ofw: |
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| 60 | save %sp, -STACK_WINDOW_SAVE_AREA_SIZE, %sp |
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| 61 | set ofw_cif, %l0 |
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| 62 | ldx [%l0], %l0 |
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| 63 | |||
| 64 | rdpr %pstate, %l1 |
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| 65 | and %l1, ~PSTATE_AM_BIT, %l2 |
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| 66 | wrpr %l2, 0, %pstate |
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| 67 | |||
| 68 | jmpl %l0, %o7 |
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| 69 | mov %i0, %o0 |
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| 70 | |||
| 71 | wrpr %l1, 0, %pstate |
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| 72 | |||
| 73 | ret |
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| 74 | restore %o0, 0, %o0 |