58 lines
1.8 KiB
ArmAsm
58 lines
1.8 KiB
ArmAsm
/* $NetBSD: bugstart.s,v 1.2 2001/04/14 13:43:08 scw Exp $ */
|
|
|
|
#define _LOCORE
|
|
#include <machine/prom.h>
|
|
#undef _LOCORE
|
|
#include <machine/asm.h>
|
|
|
|
.data
|
|
.even
|
|
|
|
GLOBAL(bugargs)
|
|
.space MVMEPROM_ARGS_MAX*4
|
|
|
|
.text
|
|
.even
|
|
|
|
.long _C_LABEL(start) - 0x10
|
|
.long _C_LABEL(start)
|
|
|
|
#define BUG_ARG(which) _C_LABEL(bugargs) + (which)
|
|
|
|
ENTRY_NOPROFILE(_start)
|
|
ENTRY_NOPROFILE(start)
|
|
moveml %d0/%a0,%sp@-
|
|
lea _C_LABEL(edata),%a0
|
|
movl #_C_LABEL(end) - 4,%d0
|
|
subl %a0,%d0
|
|
lsrl #2,%d0
|
|
1: clrl %a0@+
|
|
dbra %d0,1b
|
|
moveml %sp@+,%d0/%a0
|
|
movl MVMEPROM_REG_DEVLUN, BUG_ARG(MVMEPROM_ARGS_DEVLUN)
|
|
movl MVMEPROM_REG_CTRLLUN, BUG_ARG(MVMEPROM_ARGS_CTRLLUN)
|
|
movl MVMEPROM_REG_FLAGS, BUG_ARG(MVMEPROM_ARGS_FLAGS)
|
|
movl MVMEPROM_REG_CTRLADDR, BUG_ARG(MVMEPROM_ARGS_CTRLADDR)
|
|
movl MVMEPROM_REG_ENTRY, BUG_ARG(MVMEPROM_ARGS_ENTRY)
|
|
movl MVMEPROM_REG_CONFBLK, BUG_ARG(MVMEPROM_ARGS_CONFBLK)
|
|
movl MVMEPROM_REG_NBARGSTART, BUG_ARG(MVMEPROM_ARGS_NBARGSTART)
|
|
movl MVMEPROM_REG_NBARGEND, BUG_ARG(MVMEPROM_ARGS_NBARGEND)
|
|
movl MVMEPROM_REG_ARGSTART, BUG_ARG(MVMEPROM_ARGS_ARGSTART)
|
|
movl MVMEPROM_REG_ARGEND, BUG_ARG(MVMEPROM_ARGS_ARGEND)
|
|
jmp _C_LABEL(_bugstart)
|
|
|
|
ENTRY_NOPROFILE(bugexec)
|
|
addql #4,%sp
|
|
movl BUG_ARG(MVMEPROM_ARGS_DEVLUN), MVMEPROM_REG_DEVLUN
|
|
movl BUG_ARG(MVMEPROM_ARGS_CTRLLUN), MVMEPROM_REG_CTRLLUN
|
|
movl BUG_ARG(MVMEPROM_ARGS_FLAGS), MVMEPROM_REG_FLAGS
|
|
movl BUG_ARG(MVMEPROM_ARGS_CTRLADDR), MVMEPROM_REG_CTRLADDR
|
|
movl BUG_ARG(MVMEPROM_ARGS_ENTRY), MVMEPROM_REG_ENTRY
|
|
movl BUG_ARG(MVMEPROM_ARGS_CONFBLK), MVMEPROM_REG_CONFBLK
|
|
movl BUG_ARG(MVMEPROM_ARGS_NBARGSTART), MVMEPROM_REG_NBARGSTART
|
|
movl BUG_ARG(MVMEPROM_ARGS_NBARGEND), MVMEPROM_REG_NBARGEND
|
|
movl BUG_ARG(MVMEPROM_ARGS_ARGSTART), MVMEPROM_REG_ARGSTART
|
|
movl BUG_ARG(MVMEPROM_ARGS_ARGEND), MVMEPROM_REG_ARGEND
|
|
ENTRY_NOPROFILE(__main)
|
|
rts
|