| PERF_OPT_FLAG-y = -DPERF_OPT |
| ALIGN_STACK_FLAG- = -mpreferred-stack-boundary=2 |
| SECTION_GC_FLAG = $(call cc-option,-ffunction-sections,) $(call cc-option,-fdata-sections,) |
| LTO_FLAG-y = $(call cc-option,-flto,) |
| PERF_OPT=$(if $(filter -Os,$(DEFAULTFLAGS)),,y) |
| PERF_OPT_FLAG = $(PERF_OPT_FLAG-$(PERF_OPT)) |
| ALIGN_STACK_FLAG = $(ALIGN_STACK_FLAG-$(PERF_OPT)) |
| LTO_FLAG = $(LTO_FLAG-$(CONFIG_LTO)) |
| ifneq ($(CONFIG_BSP_QUARK),y) |
| iSSE_FP_MATH_ ?= -mno-sse |
| iSSE_FP_MATH ?= ${iSSE_FP_MATH_${CONFIG_SSE_FP_MATH}} |
| endif |
| x86_FLAGS += $(ALIGN_STACK_FLAG) |
| x86_FLAGS += $(SECTION_GC_FLAG) |
| x86_FLAGS += $(LTO_FLAG) |
| x86_FLAGS += $(LTO_FLAG) |
| x86_FLAGS += $(PERF_OPT_FLAG) |
| x86_FLAGS += $(iSSE_FP_MATH) |
| |
| ISA_FLAG_pentium4-$(CONFIG_BSP_PCPENTIUM4) = -march=pentium4 |
| ISA_FLAG_minuteia-$(CONFIG_BSP_PCMINUTEIA) = -march=pentium |
| ISA_FLAG_atom_n28xx-$(CONFIG_BSP_ATOM_N28XX) = -march=atom -mtune=atom |
| ISA_FLAG_x86 = $(strip $(ISA_FLAG_pentium4-y) $(ISA_FLAG_minuteia-y) $(ISA_FLAG_atom_n28xx-y)) |
| |
| QEMU_BIOS ?= /usr/share/qemu |
| QEMU_CPU_TYPE_x86 = qemu32 |
| QEMU_FLAGS_x86 = -m 32 -cpu $(QEMU_CPU_TYPE_x86) \ |
| -no-reboot -nographic -display none -net none \ |
| -clock dynticks -no-acpi -balloon none -no-hpet \ |
| -L $(QEMU_BIOS) -bios bios.bin \ |
| -serial mon:stdio -machine type=pc-0.14 |
| QEMU_x86 = qemu-system-i386 |
| |
| export ISA_FLAG_x86 QEMU_FLAGS_x86 QEMU_x86 QEMU_CPU_TYPE_x86 |