25 lines
599 B
C
25 lines
599 B
C
#include "pte.h"
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void pt_entry_add_attrib (pt_entry* entry, unsigned mask) {
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*entry |= mask;
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}
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void pt_entry_del_attrib (pt_entry* entry, unsigned mask) {
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*entry &= ~mask;
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}
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void pt_entry_set_frame (pt_entry* entry, unsigned address) {
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*entry = (*entry & ~_I86_PTE_FRAME) | address;
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}
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unsigned pt_entry_get_frame (pt_entry entry) {
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return (entry & _I86_PTE_FRAME);
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}
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unsigned char pt_entry_is_present (pt_entry entry) {
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return (entry & _I86_PTE_PRESENT);
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}
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unsigned char pt_entry_is_writable (pt_entry entry) {
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return (entry & _I86_PTE_WRITABLE);
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} |