summaryrefslogtreecommitdiff
path: root/arch/x86/syscalls/Makefile
diff options
context:
space:
mode:
Diffstat (limited to 'arch/x86/syscalls/Makefile')
-rw-r--r--arch/x86/syscalls/Makefile55
1 files changed, 55 insertions, 0 deletions
diff --git a/arch/x86/syscalls/Makefile b/arch/x86/syscalls/Makefile
new file mode 100644
index 00000000000..3236aebc828
--- /dev/null
+++ b/arch/x86/syscalls/Makefile
@@ -0,0 +1,55 @@
+out := $(obj)/../include/generated/asm
+
+# Create output directory if not already present
+_dummy := $(shell [ -d '$(out)' ] || mkdir -p '$(out)')
+
+syscall32 := $(srctree)/$(src)/syscall_32.tbl
+syscall64 := $(srctree)/$(src)/syscall_64.tbl
+
+syshdr := $(srctree)/$(src)/syscallhdr.sh
+systbl := $(srctree)/$(src)/syscalltbl.sh
+
+quiet_cmd_syshdr = SYSHDR $@
+ cmd_syshdr = $(CONFIG_SHELL) '$(syshdr)' '$<' '$@' \
+ '$(syshdr_abi_$(basetarget))' \
+ '$(syshdr_pfx_$(basetarget))' \
+ '$(syshdr_offset_$(basetarget))'
+quiet_cmd_systbl = SYSTBL $@
+ cmd_systbl = $(CONFIG_SHELL) '$(systbl)' $< $@
+
+syshdr_abi_unistd_32 := i386
+$(out)/unistd_32.h: $(syscall32) $(syshdr)
+ $(call if_changed,syshdr)
+
+syshdr_abi_unistd_32_ia32 := i386
+syshdr_pfx_unistd_32_ia32 := ia32_
+$(out)/unistd_32_ia32.h: $(syscall32) $(syshdr)
+ $(call if_changed,syshdr)
+
+syshdr_abi_unistd_x32 := common,x32
+syshdr_offset_unistd_x32 := __X32_SYSCALL_BIT
+$(out)/unistd_x32.h: $(syscall64) $(syshdr)
+ $(call if_changed,syshdr)
+
+syshdr_abi_unistd_64 := common,64
+$(out)/unistd_64.h: $(syscall64) $(syshdr)
+ $(call if_changed,syshdr)
+
+syshdr_abi_unistd_64_x32 := x32
+syshdr_pfx_unistd_64_x32 := x32_
+$(out)/unistd_64_x32.h: $(syscall64) $(syshdr)
+ $(call if_changed,syshdr)
+
+$(out)/syscalls_32.h: $(syscall32) $(systbl)
+ $(call if_changed,systbl)
+$(out)/syscalls_64.h: $(syscall64) $(systbl)
+ $(call if_changed,systbl)
+
+syshdr-y += unistd_32.h unistd_64.h unistd_x32.h
+syshdr-y += syscalls_32.h
+syshdr-$(CONFIG_X86_64) += unistd_32_ia32.h unistd_64_x32.h
+syshdr-$(CONFIG_X86_64) += syscalls_64.h
+
+targets += $(syshdr-y)
+
+all: $(addprefix $(out)/,$(targets))