hi all, i have a boot code like below and i would like to add e820 bios call to print memory information to screen. first i add 0xe8 to ah then 20 to al and i call int 0x15 but it gives error on int. does anyone has any idea? or guide me?
regards -- Yasin Yenidünya [email protected] code; .text .globl start .code16 start: jmpl $0x0, $code msg: .string "Test\x0" code: movw $0xb800,%ax movw %ax, %es xorw %ax, %ax movw %ax, %ds movw $msg, %si xorw %di, %di cld movb $0x07, %al 1: cmp $0, (%si) je 1f movsb stosb jmp 1b 1: jmp 1b .org 0x1fe, 0x90 .word 0xaa55
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