e4cc638a8d
This commit adds GDT initialization with proper code/data segments and reloads CS. It also adds the initial IDT structure and loads an empty IDT. Build configuration updated to disable SSE/MMX to prevent compiler generation of unsupported instructions in early boot.
19 lines
262 B
ArmAsm
19 lines
262 B
ArmAsm
.section .text
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.global gdt_flush
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.type gdt_flush, @function
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gdt_flush:
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mov 4(%esp), %eax
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lgdt (%eax)
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mov $0x10, %ax
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mov %ax, %ds
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mov %ax, %es
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mov %ax, %fs
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mov %ax, %gs
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mov %ax, %ss
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ljmp $0x08, $flush
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flush:
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ret
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