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
|
#
# Purgatory (an uncomfortable intermediate state)
# In this case the code that runs between kernels
#
# There is probably a cleaner way to do this but for now this
# should keep us from accidentially include unsafe library functions
# or headers.
ifeq ($(ARCH),ppc64)
EXTRA_LDFLAGS = -melf64ppc
endif
PCFLAGS:=-Wall -Os \
-I$(shell $(CC) -print-file-name=include) \
-Ipurgatory/include -Ipurgatory/arch/$(ARCH)/include \
$(CPPFLAGS) $(EXTRA_CPPFLAGS)
PCFLAGS += $(call cc-option, -ffreestanding)
PCFLAGS += $(call cc-option, -fnobuiltin)
PCFLAGS += $(call cc-option, -fnostdinc)
PCFLAGS += $(call cc-option, -fno-zero-initialized-in-bss)
PURGATORY_C_SRCS:=
PURGATORY_C_SRCS += purgatory/purgatory.c
PURGATORY_C_SRCS += purgatory/printf.c
PURGATORY_C_SRCS += purgatory/string.c
PURGATORY_S_OBJS:=
include purgatory/arch/$(ARCH)/Makefile
PURGATORY_C_OBJS:= $(patsubst %.c, $(OBJDIR)/%.o, $(PURGATORY_C_SRCS))
PURGATORY_C_DEPS:= $(patsubst %.c, $(OBJDIR)/%.d, $(PURGATORY_C_SRCS))
PURGATORY_S_OBJS:= $(patsubst %.S, $(OBJDIR)/%.o, $(PURGATORY_S_SRCS))
PURGATORY_S_DEPS:= $(patsubst %.S, $(OBJDIR)/%.d, $(PURGATORY_S_SRCS))
PURGATORY_SRCS:= $(PURGATORY_S_SRCS) $(PURGATORY_C_SRCS)
PURGATORY_OBJS:= $(PURGATORY_S_OBJS) $(PURGATORY_C_OBJS)
PURGATORY_DEPS:= $(PURGATORY_S_DEPS) $(PURGATORY_C_DEPS)
PURGATORY:= $(OBJDIR)/purgatory/purgatory.ro
include $(PURGATORY_DEPS)
$(PURGATORY_C_DEPS): $(OBJDIR)/%.d: %.c
$(MKDIR) -p $(@D)
$(CC) $(PCFLAGS) -M $< | sed -e 's|$(patsubst %.d,%.o,$(@F))|$(patsubst %.d,%.o,$(@))|' > $@
$(PURGATORY_S_DEPS): $(OBJDIR)/%.d: %.S
$(MKDIR) -p $(@D)
$(CC) $(PCFLAGS) -M $< | sed -e 's|$(patsubst %.d,%.o,$(@F))|$(patsubst %.d,%.o,$(@))|' > $@
$(PURGATORY_C_OBJS): $(OBJDIR)/%.o: %.c $(OBJDIR)/%.d
$(MKDIR) -p $(@D)
$(CC) $(PCFLAGS) -o $@ -c $<
$(PURGATORY_S_OBJS): $(OBJDIR)/%.o: %.S $(OBJDIR)/%.d
$(MKDIR) -p $(@D)
$(CC) $(PCFLAGS) -o $@ -c $<
$(PURGATORY): $(PURGATORY_OBJS) $(UTIL_LIB)
$(MKDIR) -p $(@D)
$(LD) $(LDFLAGS) $(EXTRA_LDFLAGS) --no-undefined -e purgatory_start -r -o $@ $(PURGATORY_OBJS) $(UTIL_LIB)
echo::
@echo "PURGATORY_C_SRCS $(PURGATORY_C_SRCS)"
@echo "PURGATORY_C_DEPS $(PURGATORY_C_DEPS)"
@echo "PURGATORY_C_OBJS $(PURGATORY_C_OBJS)"
@echo "PURGATORY_S_SRCS $(PURGATORY_S_SRCS)"
@echo "PURGATORY_S_DEPS $(PURGATORY_S_DEPS)"
@echo "PURGATORY_S_OBJS $(PURGATORY_S_OBJS)"
@echo "PURGATORY_SRCS $(PURGATORY_SRCS)"
@echo "PURGATORY_DEPS $(PURGATORY_DEPS)"
@echo "PURGATORY_OBJS $(PURGATORY_OBJS)"
|
