| # | |
| # Loongson Processors' Support | |
| # | |
| # Only gcc >= 4.4 have Loongson specific support | |
| cflags-$(CONFIG_CPU_LOONGSON2) += -Wa,--trap | |
| cflags-$(CONFIG_CPU_LOONGSON2E) += \ | |
| $(call cc-option,-march=loongson2e,-march=r4600) | |
| cflags-$(CONFIG_CPU_LOONGSON2F) += \ | |
| $(call cc-option,-march=loongson2f,-march=r4600) | |
| # Enable the workarounds for Loongson2f | |
| ifdef CONFIG_CPU_LOONGSON2F_WORKAROUNDS | |
| ifeq ($(call as-option,-Wa$(comma)-mfix-loongson2f-nop,),) | |
| $(error only binutils >= 2.20.2 have needed option -mfix-loongson2f-nop) | |
| else | |
| cflags-$(CONFIG_CPU_NOP_WORKAROUNDS) += -Wa$(comma)-mfix-loongson2f-nop | |
| endif | |
| ifeq ($(call as-option,-Wa$(comma)-mfix-loongson2f-jump,),) | |
| $(error only binutils >= 2.20.2 have needed option -mfix-loongson2f-jump) | |
| else | |
| cflags-$(CONFIG_CPU_JUMP_WORKAROUNDS) += -Wa$(comma)-mfix-loongson2f-jump | |
| endif | |
| endif | |
| # | |
| # Loongson Machines' Support | |
| # | |
| platform-$(CONFIG_MACH_LOONGSON) += loongson/ | |
| cflags-$(CONFIG_MACH_LOONGSON) += -I$(srctree)/arch/mips/include/asm/mach-loongson -mno-branch-likely | |
| load-$(CONFIG_LEMOTE_FULOONG2E) += 0xffffffff80100000 | |
| load-$(CONFIG_LEMOTE_MACH2F) += 0xffffffff80200000 |