mair_attr_t Struct Reference

Single MAIR attribute slot (one byte). More...

Collaboration diagram for mair_attr_t:

Data Fields
union {
uint8_t   value
mair_device_attr_t   device
mair_normal_attr_t   normal
};

Detailed Description

Single MAIR attribute slot (one byte).

Overlays a raw byte with typed views for Device or Normal memory. Which union member is active is determined by the upper nibble: device.res0_7_4 == 0b0000 → Device memory. Otherwise → Normal memory.

Field Documentation

device

mair_device_attr_t mair_attr_t::device

Device memory attribute layout.

normal

mair_normal_attr_t mair_attr_t::normal

Normal memory attribute layout.

value

uint8_t mair_attr_t::value

Raw attribute byte.

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The documentation for this struct was generated from the following file:

• src/kernel/mmu/mmu.c