| # -*- 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 += $(gcc_m32_option) |
| |
| KLIBCBITSIZE = 32 |
| |
| # Extra linkflags when building the shared version of the library |
| # This address needs to be reachable using normal inter-module |
| # calls, and work on the memory models for this architecture |
| # 96 MB - normal binaries start at 128 MB |
| KLIBCSHAREDFLAGS = -Ttext-segment 0x06000000 |
| |
| # Asm includes for i386 are in the merged x86 tree |
| KLIBCARCHINCFLAGS = -I$(KLIBCKERNELOBJ)/arch/x86/include |
