28,10 → 28,10 |
*/ |
|
#include <fpu_context.h> |
#include <arch/register.h> |
#include <print.h> |
|
void fpu_context_save(fpu_context_t *fctx){ |
return; |
asm volatile( |
"stf.spill [%2]=f2,0x80\n" |
"stf.spill [%3]=f3,0x80\n" |
188,7 → 188,6 |
|
void fpu_context_restore(fpu_context_t *fctx) |
{ |
return; |
asm volatile( |
"ldf.fill f2=[%2],0x80\n" |
"ldf.fill f3=[%3],0x80\n" |
343,5 → 342,185 |
|
} |
|
void fpu_disable(void) |
{ |
asm volatile( |
"ssm %0;;\n" |
"srlz.i\n" |
"srlz.d;;\n" |
: |
:"i" (PSR_DFL_MASK|PSR_DFH_MASK) |
); |
|
} |
|
void fpu_enable(void) |
{ |
asm volatile( |
"rsm %0;;\n" |
"srlz.i\n" |
"srlz.d;;\n" |
: |
:"i" (PSR_DFL_MASK|PSR_DFH_MASK) |
); |
|
} |
|
void fpu_init(void) |
{ |
__u64 a = 0; |
fpu_enable(); |
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" |
|
); |
|
fpu_enable(); |
} |
|