43 lines
853 B
ArmAsm
43 lines
853 B
ArmAsm
/*-
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* Initial implementation:
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* Copyright (c) 2001 Robert Drehmel
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* All rights reserved.
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*
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* As long as the above copyright statement and this notice remain
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* unchanged, you can do what ever you want with this file.
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*/
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#include <machine/asm.h>
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__FBSDID("$FreeBSD$");
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#define LOCORE
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#include <machine/frame.h>
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#include <machine/fsr.h>
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#include <machine/intr_machdep.h>
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#include <machine/pstate.h>
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#define PAGE_SIZE 8192
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#define PAGE_SHIFT 13
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#define STACK_SIZE (2 * PAGE_SIZE)
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ENTRY(_start)
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/* Limit interrupts. */
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wrpr %g0, PIL_TICK - 1, %pil
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/*
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* PSTATE: privileged, interrupts enabled, floating point
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* unit enabled
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*/
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wrpr %g0, PSTATE_PRIV | PSTATE_IE | PSTATE_PEF, %pstate
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wr %g0, FPRS_FEF, %fprs
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setx stack + STACK_SIZE - SPOFF - CCFSZ, %l7, %l6
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mov %l6, %sp
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call main
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mov %o4, %o0
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sir
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.comm stack, STACK_SIZE, 32
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