blob: 99536ad2edf77dafe8754e50b0f89a97bb29bc67 (
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
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
|
#!/bin/bash
# kernel-system: Try to use the system's kernel without recompiling
# overloaded get_kernel_version function from kernel.inc
get_kernel_version(){
[ -z "${SYSTEM_KERNEL_LONG}" ] && perror "SYSTEM_KERNEL_LONG is not set, should be done by kernel.inc on startup. Aborting..."
[ -n "${TARGET_KERNEL_LONG}" ] && return
# set TARGET_KERNEL_LONG and TARGET_KERNEL_SHORT correctly
declare -rg TARGET_KERNEL_LONG="${SYSTEM_KERNEL_LONG}"
declare -rg TARGET_KERNEL_SHORT="$(echo ${SYSTEM_KERNEL_LONG} | grep -o -E '^[0-9\.]+')"
# figure out linux headers directory
local DIR
local RES=
for DIR in "/lib/modules/$SYSTEM_KERNEL_LONG/build" "/lib/modules/$SYSTEM_KERNEL_LONG/source" \
"/usr/src/linux-headers-$SYSTEM_KERNEL_LONG" "/usr/src/kernels/$SYSTEM_KERNEL_LONG"; do
[ -e "$DIR/include/linux/input" ] && RES=$DIR && break
# Sometimes the directory exists, but doesn't contain headers yet. Need a good way to
# figure that out. "include/linux/input" is a quick first idea that works on fedora and ubuntu. :)
done
# maybe fetch source did not install the headers correctly?
[ -z "$RES" ] && perror "kernel headers for $SYSTEM_KERNEL_LONG not found! Re-build the kernel-system module"
declare -rg KERNEL_HEADERS_DIR="$RES" 2>/dev/null
# check kernel modules/firmware directory
if [ -d "/lib/modules/${SYSTEM_KERNEL_LONG}" -a -d "/lib/firmware" ]; then
# The expected paths exists, set KERNEL_BASE_DIR to /
declare -rg KERNEL_BASE_DIR="/" 2>/dev/null
else
perror "Could not find kernel modules / firmware for kernel version '$SYSTEM_KERNEL_LONG'. \
Does '/lib/modules/$SYSTEM_KERNEL_LONG' exist?"
fi
# print debug info
pinfo "TARGET_KERNEL_LONG: '$TARGET_KERNEL_LONG'"
pinfo "TARGET_KERNEL_SHORT: '$TARGET_KERNEL_SHORT'"
pdebug "KERNEL_BASE_DIR: '$KERNEL_BASE_DIR'"
}
fetch_source() {
:
}
build() {
# simply copy the kernel from the running system
# to the build directory as it is.
local KERNEL_SYSTEM_PATH=""
local BOOT_IMAGE=""
# 1st "parse" /proc/cmdline for the kernel name
for i in $(cat /proc/cmdline); do
[[ "$i" == BOOT_IMAGE=* ]] && BOOT_IMAGE="$(basename "${i#BOOT_IMAGE=}")"
done
[ -z "${BOOT_IMAGE}" ] && local BOOT_IMAGE="$(uname -r)"
# exit if KERNEL_SYSTEM_FILENAME is empty, should not happen
[ -z "${BOOT_IMAGE}" ] && perror "Could not determine the full path to the running kernel..."
# now find it in KERNEL_SYSTEM_SEARCH_PATH
# NOTE: this variable should be expanded in the future if new locations are to be searched
local KERNEL_SYSTEM_SEARCH_PATH="/boot"
local KERNEL_SYSTEM_SEARCH_RESULTS="$(find "${KERNEL_SYSTEM_SEARCH_PATH}" -type f -name "${BOOT_IMAGE}")"
if [ "$(echo $KERNEL_SYSTEM_SEARCH_RESULTS|wc -w)" -eq 1 ]; then
# we found the running kernel path
KERNEL_SYSTEM_PATH="${KERNEL_SYSTEM_SEARCH_RESULTS}"
else
# we found more than one, shouldn't happen...
perror "Found no or more than one kernel named '${BOOT_IMAGE}' in '${KERNEL_SYSTEM_SEARCH_PATH}'."
fi
# at this point, we should definitly have KERNEL_SYSTEM_PATH, check just in case :)
[ -z "${KERNEL_SYSTEM_PATH}" ] && perror "KERNEL_SYSTEM_PATH isn't set, kernel not found. This shouldn't happen!"
pinfo "Live kernel path: $KERNEL_SYSTEM_PATH"
# copy kernel to build directory
cp "${KERNEL_SYSTEM_PATH}" "${MODULE_BUILD_DIR}/kernel" \
|| perror "Copy of kernel failed: From '${KERNEL_SYSTEM_PATH}' to '${MODULE_BUILD_DIR}/kernel'"
}
post_copy() {
:
}
|
