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| author | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2015-07-08 11:20:04 +0300 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2015-07-29 10:11:39 +0300 |
| commit | 22362a0e23182d230527a5add690b4027860d7d3 (patch) | |
| tree | fbdd8176032b6351e78d0a02525459a9e9ec4f34 /arch/s390/kernel/Makefile | |
| parent | 1d2334cb7da37e4b0005ca1d194d4e10ca7119f4 (diff) | |
| download | linux-22362a0e23182d230527a5add690b4027860d7d3.tar.xz | |
s390/sclp: convert early sclp console code to C
The 31-bit assembler code for the early sclp console is error
prone as git commit fde24b54d976cc123506695c17db01438a11b673
"s390/sclp: clear upper register halves in _sclp_print_early"
has shown.
Convert the assembler code to C.
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/kernel/Makefile')
| -rw-r--r-- | arch/s390/kernel/Makefile | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/s390/kernel/Makefile b/arch/s390/kernel/Makefile index ffb87617a36c..b756c6348ac6 100644 --- a/arch/s390/kernel/Makefile +++ b/arch/s390/kernel/Makefile @@ -28,6 +28,17 @@ CFLAGS_ptrace.o += -DUTS_MACHINE='"$(UTS_MACHINE)"' CFLAGS_sysinfo.o += -w +# +# Use -march=z900 for sclp.c to be able to print an error message if +# the kernel is started on a machine which is too old +# +CFLAGS_REMOVE_sclp.o = $(CC_FLAGS_FTRACE) +ifneq ($(CC_FLAGS_MARCH),-march=z900) +CFLAGS_REMOVE_sclp.o += $(CC_FLAGS_MARCH) +CFLAGS_sclp.o += -march=z900 +endif +GCOV_PROFILE_sclp.o := n + obj-y := traps.o time.o process.o base.o early.o setup.o idle.o vtime.o obj-y += processor.o sys_s390.o ptrace.o signal.o cpcmd.o ebcdic.o nmi.o obj-y += debug.o irq.o ipl.o dis.o diag.o sclp.o vdso.o |