blob: 8a2069dc96a4f36d59ce82387e9c0eb767cb7e52 (
plain)
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
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
|
#
# Makefile.am - build a kernel+filesystem image for stand-alone Linux
# booting
#
# Copyright (C) 2012 ARM Limited. All rights reserved.
#
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE.txt file.
# VE
PHYS_OFFSET := $(shell perl -I $(top_srcdir) $(top_srcdir)/findmem.pl $(KERNEL_DTB))
UART_BASE := $(shell perl -I $(top_srcdir) $(top_srcdir)/findbase.pl $(KERNEL_DTB) 0 'arm,pl011')
SYSREGS_BASE := $(shell perl -I $(top_srcdir) $(top_srcdir)/findbase.pl $(KERNEL_DTB) 0 'arm,vexpress-sysreg')
CNTFRQ := 0x01800000 # 24Mhz
NR_CPUS := $(shell echo $(CPU_IDS) | tr ',' ' ' | wc -w)
DEFINES = -DCNTFRQ=$(CNTFRQ)
DEFINES += -DCPU_IDS=$(CPU_IDS)
DEFINES += -DNR_CPUS=$(NR_CPUS)
DEFINES += -DSYSREGS_BASE=$(SYSREGS_BASE)
DEFINES += -DUART_BASE=$(UART_BASE)
OFILES =
ARCH_SRC := arch/aarch64/
if PSCI
BOOTMETHOD := psci.o
PSCI_NODE := psci { \
compatible = \"arm,psci\"; \
method = \"smc\"; \
cpu_on = <0xc4000003>; \
cpu_off = <0x84000002>; \
};
CPU_NODES := $(shell $(top_srcdir)/gen-cpu-nodes.sh $(CPU_IDS))
CPUS_NODE := cpus { \
$(CPU_NODES) \
};
else
BOOTMETHOD := spin.o
PSCI_NODE :=
CPUS_NODE :=
endif
if GICV3
GIC_DIST_BASE := $(shell perl -I $(top_srcdir) $(top_srcdir)/findbase.pl $(KERNEL_DTB) 0 'arm,gic-v3')
GIC_RDIST_BASE := $(shell perl -I $(top_srcdir) $(top_srcdir)/findbase.pl $(KERNEL_DTB) 1 'arm,gic-v3')
DEFINES += -DGIC_DIST_BASE=$(GIC_DIST_BASE)
DEFINES += -DGIC_RDIST_BASE=$(GIC_RDIST_BASE)
GIC := gic-v3.o
else
GIC_DIST_BASE := $(shell perl -I $(top_srcdir) $(top_srcdir)/findbase.pl $(KERNEL_DTB) 0 'arm,cortex-a15-gic')
GIC_CPU_BASE := $(shell perl -I $(top_srcdir) $(top_srcdir)/findbase.pl $(KERNEL_DTB) 1 'arm,cortex-a15-gic')
DEFINES += -DGIC_CPU_BASE=$(GIC_CPU_BASE)
DEFINES += -DGIC_DIST_BASE=$(GIC_DIST_BASE)
GIC := gic.o
endif
MBOX_OFFSET := 0xfff8
KERNEL_OFFSET := 0x80000
LD_SCRIPT := model.lds.S
IMAGE := linux-system.axf
FS_OFFSET := 0x10000000
FILESYSTEM_START:= $(shell echo $$(($(PHYS_OFFSET) + $(FS_OFFSET))))
FILESYSTEM_SIZE := $(shell stat -Lc %s $(FILESYSTEM) 2>/dev/null || echo 0)
FILESYSTEM_END := $(shell echo $$(($(FILESYSTEM_START) + $(FILESYSTEM_SIZE))))
FDT_OFFSET := 0x08000000
if INITRD
INITRD_FLAGS := -DUSE_INITRD
CHOSEN_NODE := chosen { \
bootargs = \"$(CMDLINE)\"; \
linux,initrd-start = <$(FILESYSTEM_START)>; \
linux,initrd-end = <$(FILESYSTEM_END)>; \
};
else
INITRD_FLAGS :=
CHOSEN_NODE := chosen { \
bootargs = \"$(CMDLINE)\"; \
};
endif
CPPFLAGS += $(INITRD_FLAGS)
OFILES += $(addprefix $(ARCH_SRC),boot.o cache.o $(GIC) mmu.o ns.o $(BOOTMETHOD) utils.o)
all: $(IMAGE)
CLEANFILES = $(IMAGE) $(OFILES) model.lds fdt.dtb
$(IMAGE): $(OFILES) model.lds fdt.dtb $(KERNEL_IMAGE) $(FILESYSTEM)
$(LD) $(OFILES) -o $@ --script=model.lds
%.o: %.S Makefile
$(CC) $(CPPFLAGS) $(CFLAGS) $(DEFINES) -c -o $@ $<
model.lds: $(LD_SCRIPT) Makefile
$(CPP) $(CPPFLAGS) -ansi -DPHYS_OFFSET=$(PHYS_OFFSET) -DMBOX_OFFSET=$(MBOX_OFFSET) -DKERNEL_OFFSET=$(KERNEL_OFFSET) -DFDT_OFFSET=$(FDT_OFFSET) -DFS_OFFSET=$(FS_OFFSET) -DKERNEL=$(KERNEL_IMAGE) -DFILESYSTEM=$(FILESYSTEM) -P -C -o $@ $<
fdt.dtb: $(KERNEL_DTB) Makefile gen-cpu-nodes.sh
( $(DTC) -O dts -I dtb $(KERNEL_DTB) ; echo "/ { $(CHOSEN_NODE) $(PSCI_NODE) $(CPUS_NODE) };" ) | $(DTC) -O dtb -o $@ -
# The filesystem archive might not exist if INITRD is not being used
.PHONY: all clean $(FILESYSTEM)
MAINTAINERCLEANFILES = aclocal.m4 compile config.* configure install-sh \
Makefile.in missing
|
