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
|
import os
import sys
import subprocess
arguments = sys.argv[2]
vdso_usr = os.path.dirname(arguments)
vdso_root = os.path.dirname(vdso_usr)
EXEC_PATH = os.getenv('RTT_EXEC_PATH') or '/usr/bin'
PREFIX = os.getenv('RTT_CC_PREFIX') or 'aarch64-none-elf-'
CC = PREFIX + 'gcc'
CXX = PREFIX + 'g++'
CPP = PREFIX + 'cpp'
AS = PREFIX + 'gcc'
AR = PREFIX + 'ar'
LINK = PREFIX + 'gcc'
DEVICE = ' -march=armv8-a -mtune=cortex-a53 -ftree-vectorize -ffast-math -funwind-tables -fno-strict-aliasing'
CXXFLAGS = DEVICE + ' -Wall -fdiagnostics-color=always'
AFLAGS = ' -x assembler-with-cpp'
CFLAGS = DEVICE + ' -Wall -Wno-cpp -std=gnu99 -fdiagnostics-color=always -fPIC -O2'
LFLAGS = DEVICE + ' -Bsymbolic -Wl,--gc-sections,-u,system_vectors -T {path}/vdso.lds'.format(path=vdso_usr)
CFLAGS += " -I {path} -I{path}/user".format(path=vdso_root)
env = Environment(tools=['gcc', 'link'],
AS = AS, ASFLAGS = AFLAGS,
CC = CC, CFLAGS = CFLAGS,
CXX = CXX, CXXFLAGS = CXXFLAGS,
AR = AR,
LINK = LINK, LINKFLAGS = LFLAGS)
env.PrependENVPath('PATH', EXEC_PATH)
src = os.path.join(vdso_usr,'vdso_sys.c')
target_name = 'librtos_vdso.so'
target = os.path.join(vdso_usr, "build", target_name)
shared_lib = env.SharedLibrary(target=target, source=src)
env.Default(shared_lib)
|
