réplica de
https://github.com/Arnau478/quark.git
synced 2024-05-20 04:46:30 +02:00
35 líneas
676 B
C
35 líneas
676 B
C
#include "pde.h"
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void pd_entry_add_attr(pd_entry_t *entry, uint32_t attr){
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*entry |= attr;
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}
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void pd_entry_del_attr(pd_entry_t *entry, uint32_t attr){
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*entry &= ~attr;
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}
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void pd_entry_set_frame(pd_entry_t *entry, phys_addr frame){
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*entry &= ~PDE_FRAME;
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*entry |= frame << 12;
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}
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phys_addr pd_entry_get_frame(pd_entry_t entry){
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return entry >> 12;
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}
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bool pd_entry_is_present(pd_entry_t entry){
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return entry & PDE_PRESENT;
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}
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bool pd_entry_is_user(pd_entry_t entry){
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return entry & PDE_USER;
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}
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bool pd_entry_is_4mb(pd_entry_t entry){
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return entry & PDE_4MB;
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}
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bool pd_entry_is_writable(pd_entry_t entry){
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return entry & PDE_WRITABLE;
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}
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