diff options
Diffstat (limited to 'arch/xtensa/kernel/Makefile')
-rw-r--r-- | arch/xtensa/kernel/Makefile | 21 |
1 files changed, 18 insertions, 3 deletions
diff --git a/arch/xtensa/kernel/Makefile b/arch/xtensa/kernel/Makefile index 7419dbccf027..fe3186de6a33 100644 --- a/arch/xtensa/kernel/Makefile +++ b/arch/xtensa/kernel/Makefile | |||
@@ -4,15 +4,30 @@ | |||
4 | 4 | ||
5 | extra-y := head.o vmlinux.lds | 5 | extra-y := head.o vmlinux.lds |
6 | 6 | ||
7 | |||
8 | obj-y := align.o entry.o irq.o coprocessor.o process.o ptrace.o \ | 7 | obj-y := align.o entry.o irq.o coprocessor.o process.o ptrace.o \ |
9 | setup.o signal.o syscall.o time.o traps.o vectors.o platform.o \ | 8 | setup.o signal.o syscall.o time.o traps.o vectors.o platform.o \ |
10 | pci-dma.o init_task.o io.o | 9 | pci-dma.o init_task.o io.o |
11 | 10 | ||
12 | ## windowspill.o | ||
13 | |||
14 | obj-$(CONFIG_KGDB) += xtensa-stub.o | 11 | obj-$(CONFIG_KGDB) += xtensa-stub.o |
15 | obj-$(CONFIG_PCI) += pci.o | 12 | obj-$(CONFIG_PCI) += pci.o |
16 | obj-$(CONFIG_MODULES) += xtensa_ksyms.o module.o | 13 | obj-$(CONFIG_MODULES) += xtensa_ksyms.o module.o |
17 | 14 | ||
15 | # In the Xtensa architecture, assembly generates literals which must always | ||
16 | # precede the L32R instruction with a relative offset less than 256 kB. | ||
17 | # Therefore, the .text and .literal section must be combined in parenthesis | ||
18 | # in the linker script, such as: *(.literal .text). | ||
19 | # | ||
20 | # We need to post-process the generated vmlinux.lds scripts to convert | ||
21 | # *(xxx.text) to *(xxx.literal xxx.text) for the following text sections: | ||
22 | # .text .ref.text .*init.text .*exit.text .text.* | ||
23 | # | ||
24 | # Replicate rules in scripts/Makefile.build | ||
25 | |||
26 | sed-y = -e 's/(\(\.[a-z]*it\|\.ref\|\)\.text)/(\1.literal \1.text)/g' \ | ||
27 | -e 's/(\(\.text\.[a-z]*\))/(\1.literal \1)/g' | ||
28 | |||
29 | quiet_cmd__cpp_lds_S = LDS $@ | ||
30 | cmd__cpp_lds_S = $(CPP) $(cpp_flags) -D__ASSEMBLY__ $< | sed $(sed-y) >$@ | ||
18 | 31 | ||
32 | $(obj)/vmlinux.lds: $(src)/vmlinux.lds.S FORCE | ||
33 | $(call if_changed_dep,_cpp_lds_S) | ||