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Commit fc5ddc87 authored by Jeremy Soller's avatar Jeremy Soller
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Reorganize kernel memory mappings

parent 933af613
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x86_64/startup-x86_64.asm
+ 3
− 4
View file @ fc5ddc87
...@@ -58,9 +58,9 @@ startup_arch: ...@@ -58,9 +58,9 @@ startup_arch:
rep stosd rep stosd
xor edi, edi 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], 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 add edi, 0x1000
;Link last PML4 to PML4 ;Link last PML4 to PML4
mov DWORD [es:edi - 8], 0x70000 | 1 << 1 | 1 mov DWORD [es:edi - 8], 0x70000 | 1 << 1 | 1
...@@ -120,8 +120,7 @@ long_mode: ...@@ -120,8 +120,7 @@ long_mode:
mov rsp, 0x0009F000 mov rsp, 0x0009F000
;rust init ;rust init
xor rax, rax mov rax, [kernel_base + 0x18]
mov eax, [kernel_base + 0x18]
jmp rax jmp rax
long_mode_ap: long_mode_ap:
......
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