Function report |
Source Code:arch\x86\kernel\fpu\bugs.c |
Create Date:2022-07-28 07:49:09 |
| Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
| home page | Tree |
| Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:This used to check for exceptions
Proto:void __init fpu__init_check_bugs(void)
Type:void
Parameter:Nothing
| 30 | If Not boot_cpu_has(Onboard FPU ) Then Return |
| 33 | kernel_fpu_begin() |
| 41 | __asm__("fninit\n\tfldl %1\n\tfdivl %2\n\tfmull %2\n\tfldl %1\n\tfsubp %%st,%%st(1)\n\tfistpl %0\n\tfwait\n\tfninit":"=m"(*&fdiv_bug):"m"(*&x), "m"(*&y)) |
| 53 | kernel_fpu_end() |
| 55 | If fdiv_bug Then |
| 56 | set_cpu_bug( & common cpu data for all cpus , FPU FDIV ) |
| 57 | pr_warn("Hmm, FPU with FDIV bug\n") |
| Name | Describe |
|---|---|
| check_bugs |
| Source code conversion tool public plug-in interface | X |
|---|---|
| Support c/c++/esqlc/java Oracle/Informix/Mysql Plug-in can realize: logical Report Code generation and batch code conversion |