mittos64/src/kernel/boot/boot_PT.S

29 lines
659 B
ArmAsm

#include <memory.h>
.intel_syntax noprefix
.section .data
.align PAGE_SIZE
.global BootP4
BootP4:
.quad offset V2P(BootP3) + (PAGE_PRESENT | PAGE_WRITE)
.rept ENTRIES_PER_PT - 2
.quad 0
.endr
.quad offset V2P(BootP3) + (PAGE_PRESENT | PAGE_WRITE | PAGE_GLOBAL)
BootP3:
.quad offset V2P(BootP2) + (PAGE_PRESENT | PAGE_WRITE | PAGE_GLOBAL)
.rept ENTRIES_PER_PT - 1
.quad 0
.endr
BootP2:
.quad offset V2P(BootP1) + (PAGE_PRESENT | PAGE_WRITE | PAGE_GLOBAL)
.rept ENTRIES_PER_PT - 1
.quad 0
.endr
BootP1:
.set i, 0
.rept ENTRIES_PER_PT
.quad (i << 12) + (PAGE_PRESENT | PAGE_WRITE | PAGE_GLOBAL)
.set i, (i+1)
.endr