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Reorganize kernel memory mappings

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This commit is contained in:
Jeremy Soller 2016-09-10 18:48:27 -06:00
parent 7ace92c60c
commit ce717ff277
12 changed files with 107 additions and 66 deletions
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7
bootloader/x86_64/startup-x86_64.asm
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@ -58,9 +58,9 @@ startup_arch:
rep stosd
xor edi, edi
;Link first PML4 and third to last PML4 to PDP
;Link first PML4 and second to last PML4 to PDP
mov DWORD [es:edi], 0x71000 | 1 << 1 | 1
mov DWORD [es:edi + 509*8], 0x71000 | 1 << 1 | 1
mov DWORD [es:edi + 510*8], 0x71000 | 1 << 1 | 1
add edi, 0x1000
;Link last PML4 to PML4
mov DWORD [es:edi - 8], 0x70000 | 1 << 1 | 1
@ -120,8 +120,7 @@ long_mode:
mov rsp, 0x0009F000
;rust init
xor rax, rax
mov eax, [kernel_base + 0x18]
mov rax, [kernel_base + 0x18]
jmp rax
long_mode_ap: