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Diffstat (limited to 'usr/klibc/arch/i386/MCONFIG')
| -rw-r--r-- | usr/klibc/arch/i386/MCONFIG | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/usr/klibc/arch/i386/MCONFIG b/usr/klibc/arch/i386/MCONFIG new file mode 100644 index 0000000..e6f50dd --- /dev/null +++ b/usr/klibc/arch/i386/MCONFIG @@ -0,0 +1,36 @@ +# -*- makefile -*- +# +# arch/i386/MCONFIG +# +# Special rules for this architecture. Note that this is actually +# included from the main Makefile, and that pathnames should be +# accordingly. +# + +# Enable this to compile with register parameters; only safe for +# gcc >= 3 + +ifeq ($(CONFIG_REGPARM),y) +REGPARM_OPT := -mregparm=3 -D_REGPARM=3 +endif + +gcc_align_option := $(call cc-option, \ + -falign-functions=0 -falign-jumps=0 -falign-loops=0, \ + -malign-functions=0 -malign-jumps=0 -malign-loops=0) +gcc_m32_option := $(call cc-option, -m32, ) + +KLIBCOPTFLAGS += -march=i386 -Os -g -fomit-frame-pointer $(gcc_align_option) +KLIBCLDFLAGS = -m elf_i386 +KLIBCREQFLAGS += $(REGPARM_OPT) +KLIBCARCHREQFLAGS += $(gcc_m32_option) + +KLIBCBITSIZE = 32 + +# Extra linkflags when building the shared version of the library +# This address needs to be reachable using normal inter-module +# calls, and work on the memory models for this architecture +# 96 MB - normal binaries start at 128 MB +KLIBCSHAREDFLAGS = $(LD_IMAGE_BASE_OPT) 0x06000000 + +# Kernel uses dedicated page or vDSO for signal return since 2.5.55 +KLIBCEXECSTACK := n |