boot.asm: recursively map p4[511] -> p4 · 7d7bf0daaf - sparkle - bits and atoms and coffee

boot.asm: recursively map p4[511] -> p4

master

3moon 8 years ago

parent

d889ff14b2

commit

7d7bf0daaf

1 changed files with 5 additions and 0 deletions

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src/arch/x86_64/boot.asmView File
								
																@ -89,6 +89,11 @@ check_long_mode:
															
																	jmp error
																
																	jmp error
															
																setup_ptables:
																
																setup_ptables:
															
																	; p4[511] -> p4 (recursive!)
															
																	mov eax, p4_table
															
																	or eax, 0b11 ; present + writable
															
																	mov [p4_table + 511*8], eax
															
																	; p4[0] -> p3
																
																	; p4[0] -> p3
															
																	mov eax, p3_table
																
																	mov eax, p3_table
															
																	or eax, 0b11 ; present + writable
																
																	or eax, 0b11 ; present + writable