| 0,0 → 1,485 |
|---|
| /* |
| * Copyright (C) 2005 Jakub Vana |
| * 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. |
| */ |
| |
| /** @addtogroup ia64 |
| * @{ |
| */ |
| /** @file |
| * |
| */ |
| |
| #include <fpu_context.h> |
| #include <arch/register.h> |
| #include <print.h> |
| |
| |
| void fpu_context_save(fpu_context_t *fctx){ |
| |
| asm volatile( |
| |
| "stf.spill [%0]=f32,0x80\n" |
| "stf.spill [%1]=f33,0x80\n" |
| "stf.spill [%2]=f34,0x80\n" |
| "stf.spill [%3]=f35,0x80\n" |
| "stf.spill [%4]=f36,0x80\n" |
| "stf.spill [%5]=f37,0x80\n" |
| "stf.spill [%6]=f38,0x80\n" |
| "stf.spill [%7]=f39,0x80\n;;" |
| |
| "stf.spill [%0]=f40,0x80\n" |
| "stf.spill [%1]=f41,0x80\n" |
| "stf.spill [%2]=f42,0x80\n" |
| "stf.spill [%3]=f43,0x80\n" |
| "stf.spill [%4]=f44,0x80\n" |
| "stf.spill [%5]=f45,0x80\n" |
| "stf.spill [%6]=f46,0x80\n" |
| "stf.spill [%7]=f47,0x80\n;;" |
| |
| "stf.spill [%0]=f48,0x80\n" |
| "stf.spill [%1]=f49,0x80\n" |
| "stf.spill [%2]=f50,0x80\n" |
| "stf.spill [%3]=f51,0x80\n" |
| "stf.spill [%4]=f52,0x80\n" |
| "stf.spill [%5]=f53,0x80\n" |
| "stf.spill [%6]=f54,0x80\n" |
| "stf.spill [%7]=f55,0x80\n;;" |
| |
| "stf.spill [%0]=f56,0x80\n" |
| "stf.spill [%1]=f57,0x80\n" |
| "stf.spill [%2]=f58,0x80\n" |
| "stf.spill [%3]=f59,0x80\n" |
| "stf.spill [%4]=f60,0x80\n" |
| "stf.spill [%5]=f61,0x80\n" |
| "stf.spill [%6]=f62,0x80\n" |
| "stf.spill [%7]=f63,0x80\n;;" |
| |
| "stf.spill [%0]=f64,0x80\n" |
| "stf.spill [%1]=f65,0x80\n" |
| "stf.spill [%2]=f66,0x80\n" |
| "stf.spill [%3]=f67,0x80\n" |
| "stf.spill [%4]=f68,0x80\n" |
| "stf.spill [%5]=f69,0x80\n" |
| "stf.spill [%6]=f70,0x80\n" |
| "stf.spill [%7]=f71,0x80\n;;" |
| |
| "stf.spill [%0]=f72,0x80\n" |
| "stf.spill [%1]=f73,0x80\n" |
| "stf.spill [%2]=f74,0x80\n" |
| "stf.spill [%3]=f75,0x80\n" |
| "stf.spill [%4]=f76,0x80\n" |
| "stf.spill [%5]=f77,0x80\n" |
| "stf.spill [%6]=f78,0x80\n" |
| "stf.spill [%7]=f79,0x80\n;;" |
| |
| "stf.spill [%0]=f80,0x80\n" |
| "stf.spill [%1]=f81,0x80\n" |
| "stf.spill [%2]=f82,0x80\n" |
| "stf.spill [%3]=f83,0x80\n" |
| "stf.spill [%4]=f84,0x80\n" |
| "stf.spill [%5]=f85,0x80\n" |
| "stf.spill [%6]=f86,0x80\n" |
| "stf.spill [%7]=f87,0x80\n;;" |
| |
| "stf.spill [%0]=f88,0x80\n" |
| "stf.spill [%1]=f89,0x80\n" |
| "stf.spill [%2]=f90,0x80\n" |
| "stf.spill [%3]=f91,0x80\n" |
| "stf.spill [%4]=f92,0x80\n" |
| "stf.spill [%5]=f93,0x80\n" |
| "stf.spill [%6]=f94,0x80\n" |
| "stf.spill [%7]=f95,0x80\n;;" |
| |
| |
| "stf.spill [%0]=f96,0x80\n" |
| "stf.spill [%1]=f97,0x80\n" |
| "stf.spill [%2]=f98,0x80\n" |
| "stf.spill [%3]=f99,0x80\n" |
| "stf.spill [%4]=f100,0x80\n" |
| "stf.spill [%5]=f101,0x80\n" |
| "stf.spill [%6]=f102,0x80\n" |
| "stf.spill [%7]=f103,0x80\n;;" |
| |
| "stf.spill [%0]=f104,0x80\n" |
| "stf.spill [%1]=f105,0x80\n" |
| "stf.spill [%2]=f106,0x80\n" |
| "stf.spill [%3]=f107,0x80\n" |
| "stf.spill [%4]=f108,0x80\n" |
| "stf.spill [%5]=f109,0x80\n" |
| "stf.spill [%6]=f110,0x80\n" |
| "stf.spill [%7]=f111,0x80\n;;" |
| |
| "stf.spill [%0]=f112,0x80\n" |
| "stf.spill [%1]=f113,0x80\n" |
| "stf.spill [%2]=f114,0x80\n" |
| "stf.spill [%3]=f115,0x80\n" |
| "stf.spill [%4]=f116,0x80\n" |
| "stf.spill [%5]=f117,0x80\n" |
| "stf.spill [%6]=f118,0x80\n" |
| "stf.spill [%7]=f119,0x80\n;;" |
| |
| "stf.spill [%0]=f120,0x80\n" |
| "stf.spill [%1]=f121,0x80\n" |
| "stf.spill [%2]=f122,0x80\n" |
| "stf.spill [%3]=f123,0x80\n" |
| "stf.spill [%4]=f124,0x80\n" |
| "stf.spill [%5]=f125,0x80\n" |
| "stf.spill [%6]=f126,0x80\n" |
| "stf.spill [%7]=f127,0x80\n;;" |
| |
| |
| : |
| :"r" (&((fctx->fr)[0])),"r" (&((fctx->fr)[1])),"r" (&((fctx->fr)[2])),"r" (&((fctx->fr)[3])), |
| "r" (&((fctx->fr)[4])),"r" (&((fctx->fr)[5])),"r" (&((fctx->fr)[6])),"r" (&((fctx->fr)[7])) |
| ); |
| |
| } |
| |
| |
| void fpu_context_restore(fpu_context_t *fctx) |
| { |
| |
| asm volatile( |
| "ldf.fill f32=[%0],0x80\n" |
| "ldf.fill f33=[%1],0x80\n" |
| "ldf.fill f34=[%2],0x80\n" |
| "ldf.fill f35=[%3],0x80\n" |
| "ldf.fill f36=[%4],0x80\n" |
| "ldf.fill f37=[%5],0x80\n" |
| "ldf.fill f38=[%6],0x80\n" |
| "ldf.fill f39=[%7],0x80\n;;" |
| |
| "ldf.fill f40=[%0],0x80\n" |
| "ldf.fill f41=[%1],0x80\n" |
| "ldf.fill f42=[%2],0x80\n" |
| "ldf.fill f43=[%3],0x80\n" |
| "ldf.fill f44=[%4],0x80\n" |
| "ldf.fill f45=[%5],0x80\n" |
| "ldf.fill f46=[%6],0x80\n" |
| "ldf.fill f47=[%7],0x80\n;;" |
| |
| "ldf.fill f48=[%0],0x80\n" |
| "ldf.fill f49=[%1],0x80\n" |
| "ldf.fill f50=[%2],0x80\n" |
| "ldf.fill f51=[%3],0x80\n" |
| "ldf.fill f52=[%4],0x80\n" |
| "ldf.fill f53=[%5],0x80\n" |
| "ldf.fill f54=[%6],0x80\n" |
| "ldf.fill f55=[%7],0x80\n;;" |
| |
| "ldf.fill f56=[%0],0x80\n" |
| "ldf.fill f57=[%1],0x80\n" |
| "ldf.fill f58=[%2],0x80\n" |
| "ldf.fill f59=[%3],0x80\n" |
| "ldf.fill f60=[%4],0x80\n" |
| "ldf.fill f61=[%5],0x80\n" |
| "ldf.fill f62=[%6],0x80\n" |
| "ldf.fill f63=[%7],0x80\n;;" |
| |
| "ldf.fill f64=[%0],0x80\n" |
| "ldf.fill f65=[%1],0x80\n" |
| "ldf.fill f66=[%2],0x80\n" |
| "ldf.fill f67=[%3],0x80\n" |
| "ldf.fill f68=[%4],0x80\n" |
| "ldf.fill f69=[%5],0x80\n" |
| "ldf.fill f70=[%6],0x80\n" |
| "ldf.fill f71=[%7],0x80\n;;" |
| |
| "ldf.fill f72=[%0],0x80\n" |
| "ldf.fill f73=[%1],0x80\n" |
| "ldf.fill f74=[%2],0x80\n" |
| "ldf.fill f75=[%3],0x80\n" |
| "ldf.fill f76=[%4],0x80\n" |
| "ldf.fill f77=[%5],0x80\n" |
| "ldf.fill f78=[%6],0x80\n" |
| "ldf.fill f79=[%7],0x80\n;;" |
| |
| "ldf.fill f80=[%0],0x80\n" |
| "ldf.fill f81=[%1],0x80\n" |
| "ldf.fill f82=[%2],0x80\n" |
| "ldf.fill f83=[%3],0x80\n" |
| "ldf.fill f84=[%4],0x80\n" |
| "ldf.fill f85=[%5],0x80\n" |
| "ldf.fill f86=[%6],0x80\n" |
| "ldf.fill f87=[%7],0x80\n;;" |
| |
| "ldf.fill f88=[%0],0x80\n" |
| "ldf.fill f89=[%1],0x80\n" |
| "ldf.fill f90=[%2],0x80\n" |
| "ldf.fill f91=[%3],0x80\n" |
| "ldf.fill f92=[%4],0x80\n" |
| "ldf.fill f93=[%5],0x80\n" |
| "ldf.fill f94=[%6],0x80\n" |
| "ldf.fill f95=[%7],0x80\n;;" |
| |
| |
| "ldf.fill f96=[%0],0x80\n" |
| "ldf.fill f97=[%1],0x80\n" |
| "ldf.fill f98=[%2],0x80\n" |
| "ldf.fill f99=[%3],0x80\n" |
| "ldf.fill f100=[%4],0x80\n" |
| "ldf.fill f101=[%5],0x80\n" |
| "ldf.fill f102=[%6],0x80\n" |
| "ldf.fill f103=[%7],0x80\n;;" |
| |
| "ldf.fill f104=[%0],0x80\n" |
| "ldf.fill f105=[%1],0x80\n" |
| "ldf.fill f106=[%2],0x80\n" |
| "ldf.fill f107=[%3],0x80\n" |
| "ldf.fill f108=[%4],0x80\n" |
| "ldf.fill f109=[%5],0x80\n" |
| "ldf.fill f110=[%6],0x80\n" |
| "ldf.fill f111=[%7],0x80\n;;" |
| |
| "ldf.fill f112=[%0],0x80\n" |
| "ldf.fill f113=[%1],0x80\n" |
| "ldf.fill f114=[%2],0x80\n" |
| "ldf.fill f115=[%3],0x80\n" |
| "ldf.fill f116=[%4],0x80\n" |
| "ldf.fill f117=[%5],0x80\n" |
| "ldf.fill f118=[%6],0x80\n" |
| "ldf.fill f119=[%7],0x80\n;;" |
| |
| "ldf.fill f120=[%0],0x80\n" |
| "ldf.fill f121=[%1],0x80\n" |
| "ldf.fill f122=[%2],0x80\n" |
| "ldf.fill f123=[%3],0x80\n" |
| "ldf.fill f124=[%4],0x80\n" |
| "ldf.fill f125=[%5],0x80\n" |
| "ldf.fill f126=[%6],0x80\n" |
| "ldf.fill f127=[%7],0x80\n;;" |
| |
| |
| : |
| :"r" (&((fctx->fr)[0])),"r" (&((fctx->fr)[1])),"r" (&((fctx->fr)[2])),"r" (&((fctx->fr)[3])), |
| "r" (&((fctx->fr)[4])),"r" (&((fctx->fr)[5])),"r" (&((fctx->fr)[6])),"r" (&((fctx->fr)[7])) |
| ); |
| } |
| |
| void fpu_enable(void) |
| { |
| uint64_t a = 0 ; |
| asm volatile( |
| "rsm %0;;" |
| "srlz.i\n" |
| "srlz.d;;\n" |
| : |
| :"i" (PSR_DFH_MASK) |
| ); |
| asm volatile |
| ( |
| "mov %0=ar.fpsr;;\n" |
| "or %0=%0,%1;;\n" |
| "mov ar.fpsr=%0;;\n" |
| : "+r" (a) |
| : "r" (0x38) |
| ); |
| |
| } |
| |
| void fpu_disable(void) |
| { |
| |
| uint64_t a = 0 ; |
| asm volatile( |
| "ssm %0;;\n" |
| "srlz.i\n" |
| "srlz.d;;\n" |
| : |
| :"i" (PSR_DFH_MASK) |
| ); |
| asm volatile |
| ( |
| "mov %0=ar.fpsr;;\n" |
| "or %0=%0,%1;;\n" |
| "mov ar.fpsr=%0;;\n" |
| : "+r" (a) |
| : "r" (0x38) |
| ); |
| |
| } |
| |
| void fpu_init(void) |
| { |
| uint64_t a = 0 ; |
| asm volatile |
| ( |
| "mov %0=ar.fpsr;;\n" |
| "or %0=%0,%1;;\n" |
| "mov ar.fpsr=%0;;\n" |
| : "+r" (a) |
| : "r" (0x38) |
| ); |
| |
| asm volatile( |
| "mov f2=f0\n" |
| "mov f3=f0\n" |
| "mov f4=f0\n" |
| "mov f5=f0\n" |
| "mov f6=f0\n" |
| "mov f7=f0\n" |
| "mov f8=f0\n" |
| "mov f9=f0\n" |
| |
| "mov f10=f0\n" |
| "mov f11=f0\n" |
| "mov f12=f0\n" |
| "mov f13=f0\n" |
| "mov f14=f0\n" |
| "mov f15=f0\n" |
| "mov f16=f0\n" |
| "mov f17=f0\n" |
| "mov f18=f0\n" |
| "mov f19=f0\n" |
| |
| "mov f20=f0\n" |
| "mov f21=f0\n" |
| "mov f22=f0\n" |
| "mov f23=f0\n" |
| "mov f24=f0\n" |
| "mov f25=f0\n" |
| "mov f26=f0\n" |
| "mov f27=f0\n" |
| "mov f28=f0\n" |
| "mov f29=f0\n" |
| |
| "mov f30=f0\n" |
| "mov f31=f0\n" |
| "mov f32=f0\n" |
| "mov f33=f0\n" |
| "mov f34=f0\n" |
| "mov f35=f0\n" |
| "mov f36=f0\n" |
| "mov f37=f0\n" |
| "mov f38=f0\n" |
| "mov f39=f0\n" |
| |
| "mov f40=f0\n" |
| "mov f41=f0\n" |
| "mov f42=f0\n" |
| "mov f43=f0\n" |
| "mov f44=f0\n" |
| "mov f45=f0\n" |
| "mov f46=f0\n" |
| "mov f47=f0\n" |
| "mov f48=f0\n" |
| "mov f49=f0\n" |
| |
| "mov f50=f0\n" |
| "mov f51=f0\n" |
| "mov f52=f0\n" |
| "mov f53=f0\n" |
| "mov f54=f0\n" |
| "mov f55=f0\n" |
| "mov f56=f0\n" |
| "mov f57=f0\n" |
| "mov f58=f0\n" |
| "mov f59=f0\n" |
| |
| "mov f60=f0\n" |
| "mov f61=f0\n" |
| "mov f62=f0\n" |
| "mov f63=f0\n" |
| "mov f64=f0\n" |
| "mov f65=f0\n" |
| "mov f66=f0\n" |
| "mov f67=f0\n" |
| "mov f68=f0\n" |
| "mov f69=f0\n" |
| |
| "mov f70=f0\n" |
| "mov f71=f0\n" |
| "mov f72=f0\n" |
| "mov f73=f0\n" |
| "mov f74=f0\n" |
| "mov f75=f0\n" |
| "mov f76=f0\n" |
| "mov f77=f0\n" |
| "mov f78=f0\n" |
| "mov f79=f0\n" |
| |
| "mov f80=f0\n" |
| "mov f81=f0\n" |
| "mov f82=f0\n" |
| "mov f83=f0\n" |
| "mov f84=f0\n" |
| "mov f85=f0\n" |
| "mov f86=f0\n" |
| "mov f87=f0\n" |
| "mov f88=f0\n" |
| "mov f89=f0\n" |
| |
| "mov f90=f0\n" |
| "mov f91=f0\n" |
| "mov f92=f0\n" |
| "mov f93=f0\n" |
| "mov f94=f0\n" |
| "mov f95=f0\n" |
| "mov f96=f0\n" |
| "mov f97=f0\n" |
| "mov f98=f0\n" |
| "mov f99=f0\n" |
| |
| "mov f100=f0\n" |
| "mov f101=f0\n" |
| "mov f102=f0\n" |
| "mov f103=f0\n" |
| "mov f104=f0\n" |
| "mov f105=f0\n" |
| "mov f106=f0\n" |
| "mov f107=f0\n" |
| "mov f108=f0\n" |
| "mov f109=f0\n" |
| |
| "mov f110=f0\n" |
| "mov f111=f0\n" |
| "mov f112=f0\n" |
| "mov f113=f0\n" |
| "mov f114=f0\n" |
| "mov f115=f0\n" |
| "mov f116=f0\n" |
| "mov f117=f0\n" |
| "mov f118=f0\n" |
| "mov f119=f0\n" |
| |
| "mov f120=f0\n" |
| "mov f121=f0\n" |
| "mov f122=f0\n" |
| "mov f123=f0\n" |
| "mov f124=f0\n" |
| "mov f125=f0\n" |
| "mov f126=f0\n" |
| "mov f127=f0\n" |
| |
| ); |
| |
| } |
| |
| |
| /** @} |
| */ |
| |