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bcm2835-mkimage: Remove recipe as bootloader can boot from Image directly

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Signed-off-by: Andrei Gherzan <andrei@gherzan.ro>
This commit is contained in:
Andrei Gherzan 2012-07-03 15:10:41 +03:00
parent 275c6b1a2b
commit 44444b0511
6 changed files with 0 additions and 116 deletions
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33
recipes-bcm/kernel-image/bcm2835-mkimage.bb
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@ -1,33 +0,0 @@
DESCRIPTION = "Tools to append 32KB binary header to kernel image."
LICENSE = "proprietary-binary"
COMPATIBLE_MACHINE = "raspberrypi"
PR = "${MACHINE_KERNEL_PR}.3"
SECTION = "bootloader"
LIC_FILES_CHKSUM = "file://LICENCE;md5=3d7292881293368c0a9f3bc521c2b87e"
SRC_URI = " \
file://LICENCE \
file://bcm2835-args-uncompressed.txt \
file://bcm2835-boot-uncompressed.txt \
file://bcm2835-mkimage.py \
file://bcm2835-kernel-first32k.bin \
"
S = "${WORKDIR}"
BBCLASSEXTEND = "native nativesdk"
do_install () {
install -d ${D}${bindir}
install -m 0755 bcm2835-mkimage.py ${D}${bindir}
install -m 0644 bcm2835-args-uncompressed.txt ${D}${bindir}
install -m 0644 bcm2835-boot-uncompressed.txt ${D}${bindir}
install -m 0644 bcm2835-kernel-first32k.bin ${D}${bindir}
}
FILES_${PN} = " \
${bindir}/bcm2835-* \
"

3
recipes-bcm/kernel-image/bcm2835-mkimage/LICENCE
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I believe this is a proprietary binary (the first32k.bin file) provided by Broadcom.
It is distributed with the express permission of the RaspberryPi foundation.

12
recipes-bcm/kernel-image/bcm2835-mkimage/bcm2835-args-uncompressed.txt
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; kernel args (place at 0x00000100)
0x00000005
0x54410001
0x00000001
0x00001000
0x00000000
0x00000004
0x54410002
0x08000000
0x00000000
0x00000000
0x00000000

17
recipes-bcm/kernel-image/bcm2835-mkimage/bcm2835-boot-uncompressed.txt
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; bootloader (place at 0x00000000)
0xea000006
0xe1a00000
0xe1a00000
0xe1a00000
0xe1a00000
0xe1a00000
0xe1a00000
0xe1a00000
0xe3a00000
0xe3a01042
0xe3811c0c
0xe59f2000
0xe59ff000
0x00000100
0x00008000

BIN
recipes-bcm/kernel-image/bcm2835-mkimage/bcm2835-kernel-first32k.bin
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51
recipes-bcm/kernel-image/bcm2835-mkimage/bcm2835-mkimage.py
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#!/usr/bin/python
import os
import re
import sys
try:
raw_kernel = sys.argv[1]
except:
raw_kernel = "./zImage"
try:
output_img = sys.argv[2]
except:
output_img = "./kernel.img"
try:
supfile_loc = sys.argv[3]
except:
supfile_loc = "./"
re_line = re.compile(r"0x(?P<value>[0-9a-f]{8})")
mem = [0 for i in range(32768)]
def load_to_mem(name, addr):
f = open(name)
for l in f.readlines():
m = re_line.match(l)
if m:
value = int(m.group("value"), 16)
for i in range(4):
mem[addr] = int(value >> i * 8 & 0xff)
addr += 1
f.close()
load_to_mem(""+supfile_loc+"bcm2835-boot-uncompressed.txt", 0x00000000)
load_to_mem(""+supfile_loc+"bcm2835-args-uncompressed.txt", 0x00000100)
f = open(""+supfile_loc+"bcm2835-kernel-first32k.bin", "wb")
for m in mem:
f.write(chr(m))
f.close()
os.system("cat "+supfile_loc+"bcm2835-kernel-first32k.bin "+raw_kernel+" > "+output_img+"")