blob: 928f30e7eabbcc7d2266ab51fc28ac8c94e536e5 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
|
# $FreeBSD$
.include <bsd.init.mk>
PROG= boot1.elf
NEWVERSWHAT= "Open Firmware boot block" ${MACHINE_ARCH}
INSTALLFLAGS= -b
FILES= boot1.hfs
SRCS= boot1.c ashldi3.c syncicache.c
CFLAGS+=-I${LDRSRC}
# Load boot1.elf below kernel.
#
# Due to limitiations in the way we load stuff, we have to avoid reusing
# memory until the kernel MMU code has taken over.
#
# 0x38000 is high enough to not interfere with the trap area, but low
# enough that it doesn't bump into the kernel area starting at 0x100000,
# even if the entire partition gets used as the load size by a buggy OFW.
#
# In theory 0xf0000 would work too under the current 64k size limit for
# boot1.elf defined in the HFS template, but sometimes boot1.elf is written
# directly to the PReP partition.
#
LDFLAGS=-nostdlib -static -Wl,-N -Wl,-Ttext=0x38000
.PATH: ${SYSDIR}/libkern ${SRCTOP}/lib/libc/powerpc/gen ${.CURDIR}
# The following inserts out objects into a template HFS
# created by generate-hfs.sh
.include "${.CURDIR}/Makefile.hfs"
boot1.hfs: boot1.elf bootinfo.txt
echo ${.OBJDIR}
uudecode ${.CURDIR}/hfs.tmpl.bz2.uu
mv hfs.tmpl.bz2 ${.TARGET}.bz2
bzip2 -f -d ${.TARGET}.bz2
${DD} if=boot1.elf of=${.TARGET} seek=${BOOT1_OFFSET} conv=notrunc
${DD} if=${.CURDIR}/bootinfo.txt of=${.TARGET} seek=${BOOTINFO_OFFSET} \
conv=notrunc
CLEANFILES+= boot1.hfs
MK_PIE= no
.include <bsd.prog.mk>
|
