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| /*
| * Copyright (C) 2006 Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>.
| *
| * This library is free software; you can redistribute it and/or
| * modify it under the terms of the GNU Lesser General Public
| * License as published by the Free Software Foundation; either
| * version 2 of the License, or (at your option) any later version.
| *
| * This library is distributed in the hope that it will be useful,
| * but WITHOUT ANY WARRANTY; without even the implied warranty of
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
| * Lesser General Public License for more details.
|
| * You should have received a copy of the GNU Lesser General Public
| * License along with this library; if not, write to the Free Software
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
| */
| #ifndef _COBALT_POWERPC_ASM_UAPI_FPTEST_H
| #define _COBALT_POWERPC_ASM_UAPI_FPTEST_H
|
| #ifndef __NO_FPRS__ /* i.e. has FPU, not SPE */
|
| static inline void fp_regs_set(int features, unsigned int val)
| {
| unsigned long long fpval = val;
|
| __asm__ __volatile__("lfd 0, %0\n"
| " fmr 1, 0\n"
| " fmr 2, 0\n"
| " fmr 3, 0\n"
| " fmr 4, 0\n"
| " fmr 5, 0\n"
| " fmr 6, 0\n"
| " fmr 7, 0\n"
| " fmr 8, 0\n"
| " fmr 9, 0\n"
| " fmr 10, 0\n"
| " fmr 11, 0\n"
| " fmr 12, 0\n"
| " fmr 13, 0\n"
| " fmr 14, 0\n"
| " fmr 15, 0\n"
| " fmr 16, 0\n"
| " fmr 17, 0\n"
| " fmr 18, 0\n"
| " fmr 19, 0\n"
| " fmr 20, 0\n"
| " fmr 21, 0\n"
| " fmr 22, 0\n"
| " fmr 23, 0\n"
| " fmr 24, 0\n"
| " fmr 25, 0\n"
| " fmr 26, 0\n"
| " fmr 27, 0\n"
| " fmr 28, 0\n"
| " fmr 29, 0\n"
| " fmr 30, 0\n"
| " fmr 31, 0\n"::"m"(fpval));
| }
|
| #define FPTEST_REGVAL(n) { \
| unsigned long long t; \
| __asm__ __volatile__(" stfd " #n ", %0" : "=m" (t)); \
| e[n] = (unsigned)t; \
| }
|
| static inline unsigned int fp_regs_check(int features, unsigned int val,
| int (*report)(const char *fmt, ...))
| {
| unsigned int i, result = val;
| unsigned int e[32];
|
| FPTEST_REGVAL(0);
| FPTEST_REGVAL(1);
| FPTEST_REGVAL(2);
| FPTEST_REGVAL(3);
| FPTEST_REGVAL(4);
| FPTEST_REGVAL(5);
| FPTEST_REGVAL(6);
| FPTEST_REGVAL(7);
| FPTEST_REGVAL(8);
| FPTEST_REGVAL(9);
| FPTEST_REGVAL(10);
| FPTEST_REGVAL(11);
| FPTEST_REGVAL(12);
| FPTEST_REGVAL(13);
| FPTEST_REGVAL(14);
| FPTEST_REGVAL(15);
| FPTEST_REGVAL(16);
| FPTEST_REGVAL(17);
| FPTEST_REGVAL(18);
| FPTEST_REGVAL(19);
| FPTEST_REGVAL(20);
| FPTEST_REGVAL(21);
| FPTEST_REGVAL(22);
| FPTEST_REGVAL(23);
| FPTEST_REGVAL(24);
| FPTEST_REGVAL(25);
| FPTEST_REGVAL(26);
| FPTEST_REGVAL(27);
| FPTEST_REGVAL(28);
| FPTEST_REGVAL(29);
| FPTEST_REGVAL(30);
| FPTEST_REGVAL(31);
|
| for (i = 0; i < 32; i++)
| if (e[i] != val) {
| report("r%d: %u != %u\n", i, e[i], val);
| result = e[i];
| }
|
| return result;
| }
|
| #else /* __NO_FPRS__ */
|
| static inline void fp_regs_set(int features, unsigned int val) { }
|
| static inline unsigned int fp_regs_check(int features, unsigned int val,
| int (*report)(const char *fmt, ...))
| {
| return val;
| }
|
| #endif /* __NO_FPRS__ */
|
| #endif /* !_COBALT_POWERPC_ASM_UAPI_FPTEST_H */
|
|
