tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1#include <linux/types.h>
2#include <linux/errno.h>
3#include <asm/uaccess.h>
4
5#include <asm/sfp-machine.h>
6#include <math-emu/soft-fp.h>
7#include <math-emu/double.h>
8
9int
10fctiwz(u32 *frD, void *frB)
11{
12 FP_DECL_D(B);
13 FP_DECL_EX;
14 u32 fpscr;
15 unsigned int r;
16
17 fpscr = __FPU_FPSCR;
18 __FPU_FPSCR &= ~(3);
19 __FPU_FPSCR |= FP_RND_ZERO;
20
21 FP_UNPACK_DP(B, frB);
22 FP_TO_INT_D(r, B, 32, 1);
23 frD[1] = r;
24
25 __FPU_FPSCR = fpscr;
26
27#ifdef DEBUG
28 printk("%s: D %p, B %p: ", __func__, frD, frB);
29 dump_double(frD);
30 printk("\n");
31#endif
32
33 return 0;
34}