Release 4.14 arch/powerpc/math-emu/mcrfs.c
// SPDX-License-Identifier: GPL-2.0
#include <linux/types.h>
#include <linux/errno.h>
#include <linux/uaccess.h>
#include <asm/sfp-machine.h>
#include <math-emu/soft-fp.h>
int
mcrfs(u32 *ccr, u32 crfD, u32 crfS)
{
u32 value, clear;
#ifdef DEBUG
printk("%s: %p (%08x) %d %d\n", __func__, ccr, *ccr, crfD, crfS);
#endif
clear = 15 << ((7 - crfS) << 2);
if (!crfS)
clear = 0x90000000;
value = (__FPU_FPSCR >> ((7 - crfS) << 2)) & 15;
__FPU_FPSCR &= ~(clear);
*ccr &= ~(15 << ((7 - crfD) << 2));
*ccr |= (value << ((7 - crfD) << 2));
#ifdef DEBUG
printk("CR: %08x\n", __func__, *ccr);
#endif
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Linus Torvalds (pre-git) | 140 | 98.59% | 1 | 50.00% |
| Harvey Harrison | 2 | 1.41% | 1 | 50.00% |
| Total | 142 | 100.00% | 2 | 100.00% |
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Linus Torvalds (pre-git) | 150 | 94.94% | 1 | 20.00% |
| Kumar Gala | 4 | 2.53% | 1 | 20.00% |
| Harvey Harrison | 2 | 1.27% | 1 | 20.00% |
| Greg Kroah-Hartman | 1 | 0.63% | 1 | 20.00% |
| Linus Torvalds | 1 | 0.63% | 1 | 20.00% |
| Total | 158 | 100.00% | 5 | 100.00% |
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