函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:arch\x86\kernel\cpu\mtrr\cyrix.c Create Date:2022-07-27 09:07:09
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：prepare_set

函数原型：static void prepare_set(void)

返回类型：void

参数：无

142  如果boot_cpu_has(Page Global Enable )则
143  cr4等于__read_cr4()
144  __write_cr4(cr4 & ~X86_CR4_PGE)
151  cr0等于read_cr0()按位或X86_CR0_CD
152  wbinvd()
153  write_cr0(cr0)
154  wbinvd()
157  ccr3等于NSC/Cyrix CPU indexed register access. Must be inlined instead of* macros to ensure correct access ordering* Access order is always 0x22 (=offset), 0x23 (=value)
160  setCx86(CX86_CCR3, (ccr3 & 0x0f) | 0x10)
调用者
名称描述
cyrix_set_arr
cyrix_set_all