nuclear@7: 	.data
nuclear@7: off:.long 0
nuclear@7: seg:.short 0
nuclear@7: 
nuclear@7: 	.align
nuclear@7: 	.short 0
nuclear@7: gdt_lim:
nuclear@7: 	.short 0
nuclear@7: gdt_addr:
nuclear@7: 	.long 0
nuclear@7: 
nuclear@7: 	.text
nuclear@7: /* setup_selectors(uint16_t code, uint16_t data)
nuclear@7:  * loads the requested selectors to all the selector registers */
nuclear@7: 	.globl setup_selectors
nuclear@7: setup_selectors:
nuclear@7: 	/* setup data selectors */
nuclear@7: 	movl 8(%esp), %eax
nuclear@7: 	movw %ax, %ss
nuclear@7: 	movw %ax, %es
nuclear@7: 	movw %ax, %ds
nuclear@7: 	movw %ax, %gs
nuclear@7: 	movw %ax, %fs
nuclear@7: 	/* setup code selector */
nuclear@7: 	movl 4(%esp), %eax
nuclear@7: 	movw %ax, (seg)
nuclear@7: 	movl $ldcs, (off)
nuclear@7: 	ljmp *off
nuclear@7: ldcs:
nuclear@7: 	ret
nuclear@7: 
nuclear@7: /* set_gdt(uint32_t addr, uint16_t limit)
nuclear@7:  * loads the GDTR with the new address and limit for the GDT */
nuclear@7: 	.globl set_gdt
nuclear@7: set_gdt:
nuclear@7: 	movl 4(%esp), %eax
nuclear@7: 	movl %eax, (gdt_addr)
nuclear@7: 	movw 8(%esp), %ax
nuclear@7: 	movw %ax, (gdt_lim)
nuclear@7: 	lgdt (gdt_lim)	
nuclear@7: 	ret