Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:arch\x86\kernel\fpu\init.c Create Date:2022-07-28 07:49:03
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Annotation kernel can get tool activityDownload SCCTChinese

Name:fpu__init_system_mxcsr

Proto:static void __init fpu__init_system_mxcsr(void)

Type:void

Parameter:Nothing

98  mask = 0
100  If boot_cpu_has(FXSAVE/FXRSTOR, CR4.OSFXSR ) Then
102  fxregs((__section__(".init.data")))
104  asm volatile
106  mask = MXCSR Mask
113  If mask == 0 Then mask = 0x0000ffbf
116  Boot time FPU feature detection code: &= mask
Caller
NameDescribe
fpu__init_system_genericOnce per bootup FPU initialization sequences that will run on most x86 CPUs: