85 lines
1.2 KiB
ArmAsm
85 lines
1.2 KiB
ArmAsm
.global lino,filn
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.global EXIT
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.global begtext,begdata,begbss
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.global EARRAY,ERANGE,ESET,EIDIVZ,EHEAP,EILLINS,ECASE,EBADGTO
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.global hol0,reghp,limhp,trpim,trppc
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.global _start
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! runtime startof for sparc on sun4
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LINO_AD = 0
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FILN_AD = 4
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EARRAY = 0
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ERANGE = 1
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ESET = 2
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EIDIVZ = 6
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EHEAP = 17
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EILLINS = 18
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ECASE = 20
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EBADGTO = 27
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.section ".text"
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begtext:
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_start:
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clr %fp
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ld [%sp + 0x40], %o0
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add %sp, 0x44, %o1
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sub %sp, 32, %sp
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sll %o0, 0x2, %o2
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add %o2, 0x4, %o2
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add %o1, %o2, %o2
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set -0x100000, %g4 ! should be a few M
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clr %l1
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mov %sp, %l0
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add %sp, %g4, %sp
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dec 12, %l0
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! enable divide by 0 trap and improper
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! trap
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st %fsr, [%l0]
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ld [%l0], %o3
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set 0x09000000, %o4
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or %o3, %o4, %o3
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st %o3, [%l0]
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ld [%l0], %fsr
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st %o0, [%l0]
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st %o1, [%l0+4]
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st %o2, [%l0+8]
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call $_m_a_i_n
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nop
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dec 4, %l0
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st %g0, [%l0]
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EXIT:
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call $_exit
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nop
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.type _start,#function
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.size _start,.-_start
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.section ".data"
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begdata:
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.word 0 ! may be at virtual address 0 with no problem
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hol0:
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lino:
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.word 0 ! lino
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filn:
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.word 0 ! filn
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reghp:
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.word _end
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limhp:
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.word _end
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trppc:
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.word 0
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trpim:
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.word 0 ! USED TO BE 2 BYTES; IS THIS RIGHT?
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.section ".bss"
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begbss: !initialization is not needed because ALL entries are in zero space!
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