| 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(); |
| } |
| |