Function report |
Source Code:arch\x86\kernel\cpu\mtrr\centaur.c |
Create Date:2022-07-28 08:07:09 |
Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
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Name:centaur_set_mcr
Proto:static void centaur_set_mcr(unsigned int reg, unsigned long base, unsigned long size, mtrr_type type)
Type:void
Parameter:
Type | Parameter | Name |
---|---|---|
unsigned int | reg | |
unsigned long | base | |
unsigned long | size | |
mtrr_type | type |
79 | If size == 0 Then |
82 | Else |
84 | If 0 for winchip, 1 for winchip2 == 0 Then |
86 | low = -size << PAGE_SHIFT determines the page size | 0x1f |
87 | Else |
88 | If type == MTRR memory types, which are defined in SDM Then low = -size << PAGE_SHIFT determines the page size | 0x02 |
90 | Else low = -size << PAGE_SHIFT determines the page size | 0x09 |
96 | wrmsr(MSR_IDT_MCR0 + reg, low, high) |
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