2006-10-19 17:34:18 +00:00
|
|
|
/*
|
|
|
|
|
*
|
|
|
|
|
* (c) 2006 Laurent Vivier <Laurent@lvivier.info>
|
|
|
|
|
*
|
|
|
|
|
* based on http://developer.apple.com/technotes/tn/tn1189.html
|
|
|
|
|
*
|
|
|
|
|
*/
|
|
|
|
|
|
2007-03-22 15:36:39 +00:00
|
|
|
.cpu 68000
|
2006-10-19 17:34:18 +00:00
|
|
|
|
2007-02-02 20:03:40 +00:00
|
|
|
.macro SysError
|
|
|
|
|
.short 0xA9C9
|
|
|
|
|
.endm
|
|
|
|
|
|
|
|
|
|
.macro NewPtrClear
|
|
|
|
|
.short 0xA31E
|
|
|
|
|
.endm
|
|
|
|
|
|
|
|
|
|
.align 4
|
2006-10-19 17:34:18 +00:00
|
|
|
_start:
|
|
|
|
|
primary_entry_point:
|
|
|
|
|
bra.w primary_setup
|
2006-10-19 18:58:22 +00:00
|
|
|
dc.l 0x0001
|
2006-10-19 17:34:18 +00:00
|
|
|
|
|
|
|
|
secondary_entry_point:
|
|
|
|
|
bra.w secondary_setup
|
|
|
|
|
|
|
|
|
|
_driver_name:
|
2007-02-02 20:03:40 +00:00
|
|
|
.string ".EMILE"
|
2006-10-19 17:34:18 +00:00
|
|
|
_version:
|
|
|
|
|
dc.w 0x001
|
|
|
|
|
_id:
|
2007-02-02 20:03:40 +00:00
|
|
|
.string "EMILE SCSI 0.0.1"
|
2006-10-19 17:34:18 +00:00
|
|
|
|
2007-02-02 20:03:40 +00:00
|
|
|
.string "APPLE_DRIVER for EMILE"
|
2006-10-19 17:34:18 +00:00
|
|
|
.string "(c) 2006 Laurent Vivier <Laurent@lvivier.info>"
|
|
|
|
|
.string "All files are distributed under the terms of GPLv2 license."
|
|
|
|
|
|
|
|
|
|
.align 4
|
|
|
|
|
primary_setup:
|
|
|
|
|
ori.l #0x0f000000, %d5
|
|
|
|
|
|
|
|
|
|
secondary_setup:
|
|
|
|
|
|
|
|
|
|
movem.l %d1-%a4,%sp@-
|
|
|
|
|
move.l %d5, %sp@-
|
2007-02-02 20:03:40 +00:00
|
|
|
bsr driver_entry
|
2006-10-19 17:34:18 +00:00
|
|
|
add.l #4, %sp
|
|
|
|
|
movem.l %sp@+, %d1-%a4
|
|
|
|
|
rts
|
|
|
|
|
|
|
|
|
|
driver_entry:
|
2007-02-02 20:03:40 +00:00
|
|
|
bsr relocate
|
|
|
|
|
|
|
|
|
|
bsr console_init@PLTPC
|
|
|
|
|
move.l %d5, -(%sp)
|
|
|
|
|
bsr start@PLTPC
|
|
|
|
|
|
|
|
|
|
rts
|
|
|
|
|
|
|
|
|
|
relocate:
|
|
|
|
|
/* Allocate BSS section */
|
|
|
|
|
|
|
|
|
|
move.l #__bss_size, %d0 /* size */
|
|
|
|
|
/* Alloc and clear memory (needed by GCC 3) */
|
|
|
|
|
NewPtrClear /* result in %a0 */
|
|
|
|
|
move.l %a0, %d0
|
|
|
|
|
bne malloc_ok
|
|
|
|
|
SysError
|
|
|
|
|
malloc_ok:
|
|
|
|
|
move.l %a0,%d3
|
|
|
|
|
move.l #__bss_start, %d0
|
|
|
|
|
sub.l %d0,%d3 /* %d3 is the offset to add for BSS */
|
|
|
|
|
|
|
|
|
|
/* real address of GOT */
|
|
|
|
|
|
|
|
|
|
lea _GLOBAL_OFFSET_TABLE_-.-8,%a0
|
|
|
|
|
lea (%pc, %a0), %a0
|
|
|
|
|
|
|
|
|
|
/* linked address of GOT */
|
|
|
|
|
|
|
|
|
|
move.l #_GLOBAL_OFFSET_TABLE_, %d0
|
|
|
|
|
|
|
|
|
|
/* %d2 is the offset to add for all other sections */
|
|
|
|
|
|
|
|
|
|
move.l %a0,%d2
|
|
|
|
|
sub.l %d0,%d2
|
|
|
|
|
|
|
|
|
|
/* relocate BSS section */
|
|
|
|
|
|
|
|
|
|
move.l #__got_size, %d0
|
|
|
|
|
beq exit_relocate
|
|
|
|
|
|
|
|
|
|
got_loop:
|
|
|
|
|
move.l (%a0), %d1
|
|
|
|
|
|
|
|
|
|
cmp.l #__bss_start.l, %d1
|
|
|
|
|
blt other_section
|
|
|
|
|
cmp.l #_end.l, %d1
|
|
|
|
|
bgt other_section
|
|
|
|
|
|
|
|
|
|
/* symbol in section BSS */
|
|
|
|
|
|
|
|
|
|
add.l %d3, %d1
|
|
|
|
|
bra got_store
|
|
|
|
|
|
|
|
|
|
other_section:
|
|
|
|
|
add.l %d2, %d1
|
|
|
|
|
|
|
|
|
|
got_store:
|
|
|
|
|
move.l %d1, (%a0)+
|
|
|
|
|
|
|
|
|
|
subq.l #4, %d0
|
|
|
|
|
bgt got_loop
|
|
|
|
|
|
|
|
|
|
exit_relocate:
|
2006-10-19 17:34:18 +00:00
|
|
|
rts
|
