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#include <rtems/bfin/bfin.h>
#include <bspopts.h>
#ifndef LO
#define LO(con32) ((con32) & 0xFFFF)
#endif
#ifndef HI
#define HI(con32) (((con32) >> 16) & 0xFFFF)
#endif
.section .init
.globl __init
.type __init,@function
__init:
.section .fini
.globl __fini
.type __fini,@function
__fini:
#if (BFIN_ON_SKYEYE)
.section .init
#else
.section .l1code
#endif
.align 4
.global __start
__start:
/* Start by setting up a stack */
sp.h = 0xFFB0;
sp.l = 0x0F00;
/* Maybe we should zero the memory in the .bss section. */
/* This changes to the supervisor mode */
p0.l = START;
p0.h = START;
p1.l = LO(EVT15);
p1.h = HI(EVT15);
[P1] = P0;
P0.h = HI(IMASK);
P0.l = LO(IMASK);
R0 = [P0];
/* R1.l = EVT_IVG15 & 0xFFFF; */
R1.l = 0x8000;
R0 = R0 | R1;
[P0] = R0;
RAISE 15;
P0.l = WAIT;
P0.h = WAIT;
RETI = P0;
RTI;
/* endless loop to wait */
WAIT:
jump WAIT;
START:
[--SP] = RETI;
p0.h = _bss_start;
p0.l = _bss_start;
p1.h = _end;
p1.l = _end;
r0 = p0;
r1 = p1;
r1 = r1 - r0;
p1 = r1;
r0 = 0;
/* Set _bss_start until _end to zero */
lsetup(loop1,loop2) LC0 = p1;
loop1: b[p0] = r0;
loop2: p0 +=1;
/* call boot_card( 0, 0 ) */
r0 = 0;
r1 = 0;
p0.l = _boot_card;
p0.h = _boot_card;
call (p0);
HLT
p0.l = _exit;
p0.h = _exit;
P3 = P4;
jump (p0) /* Should not return. */
.global _null_isr
_null_isr:
rti;
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