1SubDir HAIKU_TOP src system kernel ;
2
3{
4	local defines =
5		HAIKU_ARCH=\\\"$(TARGET_ARCH)\\\"
6		;
7
8	defines = [ FDefines $(defines) ] ;
9	SubDirCcFlags $(defines) ;
10	SubDirC++Flags $(defines) ;
11}
12
13SEARCH_SOURCE += [ FDirName $(SUBDIR) events ] ;
14SEARCH_SOURCE += [ FDirName $(SUBDIR) locks ] ;
15SEARCH_SOURCE += [ FDirName $(SUBDIR) scheduler ] ;
16
17UsePrivateHeaders libroot ;
18UsePrivateHeaders shared ;
19UsePrivateHeaders runtime_loader ;
20
21AddResources kernel_$(TARGET_ARCH) : kernel.rdef ;
22
23SetVersionScript kernel_$(TARGET_ARCH) : kernel_versions ;
24SetVersionScript kernel.so : kernel_versions ;
25
26KernelMergeObject kernel_core.o :
27	boot_item.cpp
28	boot_splash.cpp
29	commpage.cpp
30	condition_variable.cpp
31	convertutf.cpp
32	cpu.cpp
33	DPC.cpp
34	elf.cpp
35	guarded_heap.cpp
36	heap.cpp
37	image.cpp
38	int.cpp
39	kernel_daemon.cpp
40	linkhack.c
41	listeners.cpp
42	low_resource_manager.cpp
43	main.cpp
44	module.cpp
45	port.cpp
46	real_time_clock.cpp
47	sem.cpp
48	shutdown.cpp
49	signal.cpp
50	system_info.cpp
51	smp.cpp
52	syscalls.cpp
53	team.cpp
54	thread.cpp
55	timer.cpp
56	UserEvent.cpp
57	usergroup.cpp
58	UserTimer.cpp
59
60	# events
61	wait_for_objects.cpp
62	Notifications.cpp
63	event_queue.cpp
64
65	# locks
66	lock.cpp
67	user_mutex.cpp
68
69	# scheduler
70	low_latency.cpp
71	power_saving.cpp
72	scheduler.cpp
73	scheduler_cpu.cpp
74	scheduler_profiler.cpp
75	scheduler_thread.cpp
76	scheduler_tracing.cpp
77	scheduling_analysis.cpp
78
79	: $(TARGET_KERNEL_PIC_CCFLAGS)
80;
81
82# We need to specify the dependency on the generated syscalls files explicitly.
83Includes [ FGristFiles syscalls.cpp ]
84	:
85	<syscalls!$(TARGET_PACKAGING_ARCH)>syscall_dispatcher.h
86	<syscalls!$(TARGET_PACKAGING_ARCH)>syscall_table.h
87	<syscalls!$(TARGET_PACKAGING_ARCH)>syscall_numbers.h
88;
89
90KernelLd linkhack.so :
91	<$(SOURCE_GRIST)>linkhack.o
92	:
93	:
94	-shared -Bdynamic
95;
96
97KernelLd kernel_$(TARGET_ARCH) :
98	kernel_cache.o
99	kernel_core.o
100	kernel_debug.o
101	kernel_device_manager.o
102	kernel_disk_device_manager.o
103	kernel_fs.o
104	kernel_messaging.o
105	kernel_posix.o
106	kernel_slab.o
107	kernel_util.o
108	kernel_vm.o
109
110	kernel_arch_$(TARGET_KERNEL_ARCH).o
111	kernel_platform_$(TARGET_KERNEL_PLATFORM).o
112
113	linkhack.so
114
115	# kernel parts borrowed from libroot and others
116	kernel_os_main.o
117	kernel_os_arch_$(TARGET_ARCH).o
118	kernel_lib_posix.o
119	kernel_lib_posix_arch_$(TARGET_ARCH).o
120	kernel_misc.o
121
122	: $(HAIKU_TOP)/src/system/ldscripts/$(TARGET_ARCH)/kernel.ld
123	: -Bdynamic -export-dynamic -dynamic-linker /foo/bar
124	  $(TARGET_KERNEL_PIC_LINKFLAGS) --no-undefined
125	:
126;
127
128if $(HAIKU_ARCH) in x86_64 arm {
129	# Cannot relink everything as a shared object on x86_64 as shared library
130	# code is required to be position-independent. Instead create a copy of the
131	# executable kernel image and change the ELF header type to DYN. A bit of
132	# a hack, but avoids having to recompile a PIC copy of the kernel code.
133	# kernel.so is only used when linking modules to provide symbol information,
134	# this is sufficient for that purpose.
135	KernelSo kernel.so : kernel_$(TARGET_ARCH) ;
136} else {
137	KernelLd kernel.so :
138		kernel_cache.o
139		kernel_core.o
140		kernel_debug.o
141		kernel_device_manager.o
142		kernel_disk_device_manager.o
143		kernel_fs.o
144		kernel_messaging.o
145		kernel_posix.o
146		kernel_slab.o
147		kernel_util.o
148		kernel_vm.o
149
150		kernel_arch_$(TARGET_KERNEL_ARCH).o
151		kernel_platform_$(TARGET_KERNEL_PLATFORM).o
152
153		linkhack.so
154
155		# kernel libroot parts
156		kernel_os_main.o
157		kernel_os_arch_$(TARGET_ARCH).o
158		kernel_lib_posix.o
159		kernel_lib_posix_arch_$(TARGET_ARCH).o
160		kernel_misc.o
161
162		: $(HAIKU_TOP)/src/system/ldscripts/$(TARGET_ARCH)/kernel.ld
163		: -Bdynamic -shared -export-dynamic -dynamic-linker /foo/bar
164		  $(TARGET_KERNEL_PIC_LINKFLAGS)
165	;
166}
167
168NotFile kernel ;
169Depends kernel : kernel_$(TARGET_ARCH) ;
170Depends kernel.so : kernel ;
171	# kernel.so will be rebuilt with the kernel
172
173# propagate the container update variable from kernel to kernel_$(TARGET_ARCH)
174PropagateContainerUpdateTargetFlags kernel_$(TARGET_ARCH) : kernel ;
175
176# Copy kernel and update the copy's revision section. We link everything
177# against the original, but the copy will end up on the disk image (this way
178# we avoid unnecessary dependencies). The copy will be located in a subdirectory.
179if $(TARGET_PLATFORM) = haiku {
180	MakeLocate <revisioned>kernel_$(TARGET_ARCH)
181		: [ FDirName $(TARGET_DEBUG_$(DEBUG)_LOCATE_TARGET) revisioned ] ;
182	CopySetHaikuRevision <revisioned>kernel_$(TARGET_ARCH)
183		: kernel_$(TARGET_ARCH) ;
184}
185
186
187SubInclude HAIKU_TOP src system kernel arch ;
188SubInclude HAIKU_TOP src system kernel cache ;
189SubInclude HAIKU_TOP src system kernel device_manager ;
190SubInclude HAIKU_TOP src system kernel debug ;
191SubInclude HAIKU_TOP src system kernel disk_device_manager ;
192SubInclude HAIKU_TOP src system kernel fs ;
193SubInclude HAIKU_TOP src system kernel lib ;
194SubInclude HAIKU_TOP src system kernel messaging ;
195SubInclude HAIKU_TOP src system kernel posix ;
196SubInclude HAIKU_TOP src system kernel slab ;
197SubInclude HAIKU_TOP src system kernel util ;
198SubInclude HAIKU_TOP src system kernel vm ;
199
200if $(TARGET_KERNEL_PLATFORM) {
201	SubInclude HAIKU_TOP src system kernel platform $(TARGET_KERNEL_PLATFORM) ;
202}
203