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Annotation of qemu/roms/ipxe/src/tests/comboot/shuffle-simple.asm, revision 1.1.1.1

1.1       root        1:        bits 16
                      2:        org 100h
                      3: 
                      4:        jmp start
                      5:        
                      6: shuffle_start:
                      7:        push 0xB800
                      8:        pop es
                      9:        mov cx, 80*24*2
                     10:        mov ax, 'AA'
                     11:        xor di, di
                     12:        rep stosw
                     13: .lbl:  jmp .lbl
                     14: shuffle_end:
                     15:        nop
                     16: shuffle_len equ (shuffle_end - shuffle_start + 1)
                     17: 
                     18: start:
                     19:        ; calculate physical address of shuffled part
                     20:        xor eax, eax
                     21:        push ds
                     22:        pop ax
                     23:        shl eax, 4
                     24:        add ax, shuffle_start
                     25:        mov dword [source], eax
                     26: 
                     27:        mov ax, 0012h
                     28:        mov di, shuffle_descriptors
                     29:        mov cx, num_shuffle_descriptors
                     30:        mov ebp, 0x7c00
                     31:        int 22h
                     32:        int3
                     33: 
                     34: shuffle_descriptors:
                     35:        dd 0x7C00
                     36: source:        dd 0
                     37:        dd shuffle_len
                     38: 
                     39: num_shuffle_descriptors equ 1
                     40: 

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