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hw_x86_64: Explicitly set up segment selectors during boot

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Adrian-Ken Rueegsegger 2015-02-17 11:01:47 +01:00 committed by Christian Helmuth
parent 65de09c7a6
commit 51d515c77f
1 changed files with 10 additions and 0 deletions
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10
repos/base-hw/src/core/spec/x86_64/kernel/crt0.s
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@ -63,6 +63,16 @@
.code64
_start64: .p2align MIN_PAGE_SIZE_LOG2
/*
* Set up kernel segment selectors
*/
mov $0x10, %eax
mov %eax, %ss
mov %eax, %ds
mov %eax, %es
mov %eax, %fs
mov %eax, %gs
/*
* Install initial temporary environment that is replaced later by the
* environment that init_main_thread creates.