| 0,0 → 1,105 |
|---|
| # |
| # Copyright (C) 2006 Martin Decky |
| # All rights reserved. |
| # |
| # Redistribution and use in source and binary forms, with or without |
| # modification, are permitted provided that the following conditions |
| # are met: |
| # |
| # - Redistributions of source code must retain the above copyright |
| # notice, this list of conditions and the following disclaimer. |
| # - Redistributions in binary form must reproduce the above copyright |
| # notice, this list of conditions and the following disclaimer in the |
| # documentation and/or other materials provided with the distribution. |
| # - The name of the author may not be used to endorse or promote products |
| # derived from this software without specific prior written permission. |
| # |
| # THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| # IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| # OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| # IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| # NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| # THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| # |
| |
| #include <arch/asm/regname.h> |
| #include <arch/context_offset.h> |
| |
| .text |
| |
| .global fpu_context_save |
| .global fpu_context_restore |
| .global fpu_init |
| .global fpu_enable |
| .global fpu_disable |
| |
| .macro FPU_CONTEXT_STORE r |
| stfd fr14, OFFSET_FR14(\r) |
| stfd fr15, OFFSET_FR15(\r) |
| stfd fr16, OFFSET_FR16(\r) |
| stfd fr17, OFFSET_FR17(\r) |
| stfd fr18, OFFSET_FR18(\r) |
| stfd fr19, OFFSET_FR19(\r) |
| stfd fr20, OFFSET_FR20(\r) |
| stfd fr21, OFFSET_FR21(\r) |
| stfd fr22, OFFSET_FR22(\r) |
| stfd fr23, OFFSET_FR23(\r) |
| stfd fr24, OFFSET_FR24(\r) |
| stfd fr25, OFFSET_FR25(\r) |
| stfd fr26, OFFSET_FR26(\r) |
| stfd fr27, OFFSET_FR27(\r) |
| stfd fr28, OFFSET_FR28(\r) |
| stfd fr29, OFFSET_FR29(\r) |
| stfd fr30, OFFSET_FR30(\r) |
| stfd fr31, OFFSET_FR31(\r) |
| .endm |
| |
| .macro FPU_CONTEXT_LOAD r |
| lfd fr14, OFFSET_FR14(\r) |
| lfd fr15, OFFSET_FR15(\r) |
| lfd fr16, OFFSET_FR16(\r) |
| lfd fr17, OFFSET_FR17(\r) |
| lfd fr18, OFFSET_FR18(\r) |
| lfd fr19, OFFSET_FR19(\r) |
| lfd fr20, OFFSET_FR20(\r) |
| lfd fr21, OFFSET_FR21(\r) |
| lfd fr22, OFFSET_FR22(\r) |
| lfd fr23, OFFSET_FR23(\r) |
| lfd fr24, OFFSET_FR24(\r) |
| lfd fr25, OFFSET_FR25(\r) |
| lfd fr26, OFFSET_FR26(\r) |
| lfd fr27, OFFSET_FR27(\r) |
| lfd fr28, OFFSET_FR28(\r) |
| lfd fr29, OFFSET_FR29(\r) |
| lfd fr30, OFFSET_FR30(\r) |
| lfd fr31, OFFSET_FR31(\r) |
| .endm |
| |
| fpu_context_save: |
| // FPU_CONTEXT_STORE r3 |
| // |
| // mffs fr0 |
| // stfd fr0, OFFSET_FPSCR(r3) |
| |
| blr |
| |
| fpu_context_restore: |
| // FPU_CONTEXT_LOAD r3 |
| // |
| // lfd fr0, OFFSET_FPSCR(r3) |
| // mtfsf 7, fr0 |
| |
| blr |
| |
| fpu_init: |
| blr |
| |
| fpu_enable: |
| blr |
| |
| fpu_disable: |
| blr |