l; charset=UTF-8
Last-Modified: Thu, 15 Oct 2026 23:10:24 GMT
Expires: Sun, 15 Nov 2026 23:10:24 GMT
nvdebug.git - Unnamed repository; edit this file 'description' to name the repository.
Correctly handle startup errors and fix gpc*_mask APIs
- Do not create gpc*_mask files on pre-Maxwell GPUs (tested
unavailable on the K5000s)
- Use correct register offsets for gpc*_mask files on Ampere+ GPUs
- Document GPC and TPC count and fuse registers.
- Correctly handle errors for creation of all ProcFS files
- Remove unecessary error-handling temp variables in nvdebug_entry
- Misc naming, comment, and layout cleanup
#include"math_private.h"#include"wcclibm.h"/* e_rem_pio2f.c -- float version of e_rem_pio2.c * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com. *//* * ==================================================== * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved. * * Developed at SunPro, a Sun Microsystems, Inc. business. * Permission to use, copy, modify, and distribute this * software is freely granted, provided that this notice * is preserved. * ==================================================== */#if defined(LIBM_SCCS) && !defined(lint)static char rcsid[] ="$NetBSD: e_rem_pio2f.c,v 1.5 1995/05/10 20:46:03 jtc Exp $";#endif/* __ieee754_rem_pio2f(x,y) * * return the remainder of x rem pi/2 in y[0]+y[1] * use __kernel_rem_pio2f() *//* This array is like the one in e_rem_pio2.c, but the numbers are single precision and the last 8 bits are forced to 0. */static const int32_t susan_npio2_hw[] = {0x3fc90f00,0x40490f00,0x4096cb00,0x40c90f00,0x40fb5300,0x4116cb00,0x412fed00,0x41490f00,0x41623100,0x417b5300,0x418a3a00,0x4196cb00,0x41a35c00,0x41afed00,0x41bc7e00,0x41c90f00,0x41d5a000,0x41e23100,0x41eec200,0x41fb5300,0x4203f200,0x420a3a00,0x42108300,0x4216cb00,0x421d1400,0x42235c00,0x4229a500,0x422fed00,0x42363600,0x423c7e00,0x4242c700,0x42490f00};/* * invpio2: 24 bits of 2/pi * pio2_1: first 17 bit of pi/2 * pio2_1t: pi/2 - pio2_1 * pio2_2: second 17 bit of pi/2 * pio2_2t: pi/2 - (pio2_1+pio2_2) * pio2_3: third 17 bit of pi/2 * pio2_3t: pi/2 - (pio2_1+pio2_2+pio2_3) */static const float/* zero = 0.0000000000e+00f, /\* 0x00000000 *\/ *//* half = 5.0000000000e-01f, /\* 0x3f000000 *\/ *//* two8 = 2.5600000000e+02f, /\* 0x43800000 *\/ */
susan_invpio2 =6.3661980629e-01f,/* 0x3f22f984 */
susan_pio2_1 =1.5707855225e+00f,/* 0x3fc90f80 */
susan_pio2_1t =1.0804334124e-05f,/* 0x37354443 */
susan_pio2_2 =1.0804273188e-05f,/* 0x37354400 */
susan_pio2_2t =6.0770999344e-11f,/* 0x2e85a308 */
susan_pio2_3 =6.0770943833e-11f,/* 0x2e85a300 */
susan_pio2_3t =6.1232342629e-17f;/* 0x248d3132 */int32_tsusan___ieee754_rem_pio2f(float x,float*y){float z,w,t,r,fn;int32_t i,j,n,ix,hx;GET_FLOAT_WORD(hx,x);
ix = hx&0x7fffffff;if(ix<=0x3f490fd8)/* |x| ~<= pi/4 , no need for reduction */{y[0] = x; y[1] =0;return0;}if(ix<0x4016cbe4) {/* |x| < 3pi/4, special case with n=+-1 */if(hx>0) {
z = x - susan_pio2_1;if((ix&0xfffffff0)!=0x3fc90fd0) {/* 24+24 bit pi OK */
y[0] = z - susan_pio2_1t;
y[1] = (z-y[0])-susan_pio2_1t;}else{/* near pi/2, use 24+24+24 bit pi */
z -= susan_pio2_2;
y[0] = z - susan_pio2_2t;
y[1] = (z-y[0])-susan_pio2_2t;}return1;}else{/* negative x */
z = x + susan_pio2_1;if((ix&0xfffffff0)!=0x3fc90fd0) {/* 24+24 bit pi OK */
y[0] = z + susan_pio2_1t;
y[1] = (z-y[0])+susan_pio2_1t;}else{/* near pi/2, use 24+24+24 bit pi */
z += susan_pio2_2;
y[0] = z + susan_pio2_2t;
y[1] = (z-y[0])+susan_pio2_2t;}return-1;}}if(ix<=0x43490f80) {/* |x| ~<= 2^7*(pi/2), medium size */
t =fabsf(x);
n = (int32_t) (t*susan_invpio2+susan_half);
fn = (float)n;
r = t-fn*susan_pio2_1;
w = fn*susan_pio2_1t;/* 1st round good to 40 bit */if(n<32&&(int32_t)(ix&0xffffff00)!=susan_npio2_hw[n-1]) {
y[0] = r-w;/* quick check no cancellation */}else{
u_int32_t high;
j = ix>>23;
y[0] = r-w;GET_FLOAT_WORD(high,y[0]);
i = j-((high>>23)&0xff);if(i>8) {/* 2nd iteration needed, good to 57 */
t = r;
w = fn*susan_pio2_2;
r = t-w;
w = fn*susan_pio2_2t-((t-r)-w);
y[0] = r-w;GET_FLOAT_WORD(high,y[0]);
i = j-((high>>23)&0xff);if(i>25) {/* 3rd iteration need, 74 bits acc */
t = r;/* will cover all possible cases */
w = fn*susan_pio2_3;
r = t-w;
w = fn*susan_pio2_3t-((t-r)-w);
y[0] = r-w;}}}
y[1] = (r-y[0])-w;if(hx<0) {y[0] = -y[0]; y[1] = -y[1];return-n;}else return n;}/* * all other (large) arguments */if(ix>=0x7f800000) {/* x is inf or NaN */
y[0]=y[1]=x-x;return0;}
y[0]=y[1]=x-x;return0;/* dummy initialisation */return0;/* doesn't happen for our input */}/* k_cosf.c -- float version of k_cos.c * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com. *//* * ==================================================== * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved. * * Developed at SunPro, a Sun Microsystems, Inc. business. * Permission to use, copy, modify, and distribute this * software is freely granted, provided that this notice * is preserved. * ==================================================== */#if defined(LIBM_SCCS) && !defined(lint)static char rcsid[] ="$NetBSD: k_cosf.c,v 1.4 1995/05/10 20:46:23 jtc Exp $";#endifstatic const float/* one = 1.0000000000e+00, /\* 0x3f800000 *\/ */
susan_C1 =4.1666667908e-02f,/* 0x3d2aaaab */
susan_C2 = -1.3888889225e-03f,/* 0xbab60b61 */
susan_C3 =2.4801587642e-05f,/* 0x37d00d01 */
susan_C4 = -2.7557314297e-07f,/* 0xb493f27c */
susan_C5 =2.0875723372e-09f,/* 0x310f74f6 */
susan_C6 = -1.1359647598e-11f;/* 0xad47d74e */floatsusan___kernel_cosf(float x,float y){float a,hz,z,r,qx;int32_t ix;GET_FLOAT_WORD(ix,x);
ix &=0x7fffffff;/* ix = |x|'s high word*/if(ix<0x32000000) {/* if x < 2**27 */if(((int)x)==0)return susan_one;/* generate inexact */}
z = x*x;
r = z*(susan_C1+z*(susan_C2+z*(susan_C3+z*(susan_C4+z*(susan_C5+z*susan_C6)))));if(ix <0x3e99999a)/* if |x| < 0.3 */return susan_one - ((float)0.5f*z - (z*r - x*y));else{if(ix >0x3f480000) {/* x > 0.78125 */
qx = (float)0.28125f;}else{SET_FLOAT_WORD(qx,ix-0x01000000);/* x/4 */}
hz = (float)0.5f*z-qx;
a = susan_one-qx;return a - (hz - (z*r-x*y));}}/* k_sinf.c -- float version of k_sin.c * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com. *//* * ==================================================== * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved. * * Developed at SunPro, a Sun Microsystems, Inc. business. * Permission to use, copy, modify, and distribute this * software is freely granted, provided that this notice * is preserved. * ==================================================== */#if defined(LIBM_SCCS) && !defined(lint)static char rcsid[] ="$NetBSD: k_sinf.c,v 1.4 1995/05/10 20:46:33 jtc Exp $";#endifstatic const float/* half = 5.0000000000e-01f,/\* 0x3f000000 *\/ */
susan_S1 = -1.6666667163e-01f,/* 0xbe2aaaab */
susan_S2 =8.3333337680e-03f,/* 0x3c088889 */
susan_S3 = -1.9841270114e-04f,/* 0xb9500d01 */
susan_S4 =2.7557314297e-06f,/* 0x3638ef1b */
susan_S5 = -2.5050759689e-08f,/* 0xb2d72f34 */
susan_S6 =1.5896910177e-10f;/* 0x2f2ec9d3 */floatsusan___kernel_sinf(float x,float y,int iy){float z,r,v;int32_t ix;GET_FLOAT_WORD(ix,x);
ix &=0x7fffffff;/* high word of x */if(ix<0x32000000)/* |x| < 2**-27 */{if((int)x==0)return x;}/* generate inexact */
z = x*x;
v = z*x;
r = susan_S2+z*(susan_S3+z*(susan_S4+z*(susan_S5+z*susan_S6)));if(iy==0)return x+v*(susan_S1+z*r);else return x-((z*(susan_half*y-v*r)-y)-v*susan_S1);}/* s_atanf.c -- float version of s_atan.c. * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com. *//* * ==================================================== * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved. * * Developed at SunPro, a Sun Microsystems, Inc. business. * Permission to use, copy, modify, and distribute this * software is freely granted, provided that this notice * is preserved. * ==================================================== */#if defined(LIBM_SCCS) && !defined(lint)static char rcsid[] ="$NetBSD: s_atanf.c,v 1.4 1995/05/10 20:46:47 jtc Exp $";#endifstatic const float susan_atanhi[] = {4.6364760399e-01f,/* atan(0.5)hi 0x3eed6338 */7.8539812565e-01f,/* atan(1.0)hi 0x3f490fda */9.8279368877e-01f,/* atan(1.5)hi 0x3f7b985e */1.5707962513e+00f,/* atan(inf)hi 0x3fc90fda */};static const float susan_atanlo[] = {5.0121582440e-09f,/* atan(0.5)lo 0x31ac3769 */3.7748947079e-08f,/* atan(1.0)lo 0x33222168 */3.4473217170e-08f,/* atan(1.5)lo 0x33140fb4 */7.5497894159e-08f,/* atan(inf)lo 0x33a22168 */};static const float susan_aT[] = {3.3333334327e-01f,/* 0x3eaaaaaa */-2.0000000298e-01f,/* 0xbe4ccccd */1.4285714924e-01f,/* 0x3e124925 */-1.1111110449e-01f,/* 0xbde38e38 */9.0908870101e-02f,/* 0x3dba2e6e */-7.6918758452e-02f,/* 0xbd9d8795 */6.6610731184e-02f,/* 0x3d886b35 */-5.8335702866e-02f,/* 0xbd6ef16b */4.9768779427e-02f,/* 0x3d4bda59 */-3.6531571299e-02f,/* 0xbd15a221 */1.6285819933e-02f,/* 0x3c8569d7 */};floatsusan___atanf(float x){float w,s1,s2,z;int32_t ix,hx,id;GET_FLOAT_WORD(hx,x);
ix = hx&0x7fffffff;if(ix>=0x50800000) {/* if |x| >= 2^34 */if(ix>0x7f800000)return x+x;/* NaN */if(hx>0)return susan_atanhi[3]+susan_atanlo[3];else return-susan_atanhi[3]-susan_atanlo[3];}if(ix <0x3ee00000) {/* |x| < 0.4375 */if(ix <0x31000000) {/* |x| < 2^-29 */if(susan_huge+x>susan_one)return x;/* raise inexact */}
id = -1;}else{
x =fabsf(x);if(ix <0x3f980000) {/* |x| < 1.1875 */if(ix <0x3f300000) {/* 7/16 <=|x|<11/16 */
id =0; x = ((float)2.0f*x-susan_one)/((float)2.0f+x);}else{/* 11/16<=|x|< 19/16 */
id =1; x = (x-susan_one)/(x+susan_one);}}else{if(ix <0x401c0000) {/* |x| < 2.4375 */
id =2; x = (x-(float)1.5f)/(susan_one+(float)1.5f*x);}else{/* 2.4375 <= |x| < 2^66 */
id =3; x = -(float)1.0f/x;}}}/* end of argument reduction */
z = x*x;
w = z*z;/* break sum from i=0 to 10 aT[i]z**(i+1) into odd and even poly */
s1 = z*(susan_aT[0]+w*(susan_aT[2]+w*(susan_aT[4]+w*(susan_aT[6]+w*(susan_aT[8]+w*susan_aT[10])))));
s2 = w*(susan_aT[1]+w*(susan_aT[3]+w*(susan_aT[5]+w*(susan_aT[7]+w*susan_aT[9]))));if(id<0)return x - x*(s1+s2);else{
z = susan_atanhi[id] - ((x*(s1+s2) - susan_atanlo[id]) - x);return(hx<0)? -z:z;}}/* s_cosf.c -- float version of s_cos.c. * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com. *//* * ==================================================== * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved. * * Developed at SunPro, a Sun Microsystems, Inc. business. * Permission to use, copy, modify, and distribute this * software is freely granted, provided that this notice * is preserved. * ==================================================== */floatsusan___cosf(float x){float y[2],z=0.0f;int32_t n,ix;GET_FLOAT_WORD(ix,x);/* |x| ~< pi/4 */
ix &=0x7fffffff;if(ix <=0x3f490fd8)returnsusan___kernel_cosf(x,z);/* cos(Inf or NaN) is NaN */else if(ix>=0x7f800000)return x-x;/* argument reduction needed */else{
n =susan___ieee754_rem_pio2f(x,y);switch(n&3) {case0:</
