| Jiaxun Yang | 71e2f4d | 2019-10-20 22:43:14 +0800 | [diff] [blame] | 1 | # |
| 2 | # Loongson Processors' Support |
| 3 | # |
| 4 | |
| 5 | # Only gcc >= 4.4 have Loongson specific support |
| 6 | cflags-$(CONFIG_CPU_LOONGSON2EF) += -Wa,--trap |
| 7 | cflags-$(CONFIG_CPU_LOONGSON2E) += \ |
| 8 | $(call cc-option,-march=loongson2e,-march=r4600) |
| 9 | cflags-$(CONFIG_CPU_LOONGSON2F) += \ |
| 10 | $(call cc-option,-march=loongson2f,-march=r4600) |
| 11 | # Enable the workarounds for Loongson2f |
| 12 | ifdef CONFIG_CPU_LOONGSON2F_WORKAROUNDS |
| 13 | ifeq ($(call as-option,-Wa$(comma)-mfix-loongson2f-nop,),) |
| 14 | $(error only binutils >= 2.20.2 have needed option -mfix-loongson2f-nop) |
| 15 | else |
| 16 | cflags-$(CONFIG_CPU_NOP_WORKAROUNDS) += -Wa$(comma)-mfix-loongson2f-nop |
| 17 | endif |
| 18 | ifeq ($(call as-option,-Wa$(comma)-mfix-loongson2f-jump,),) |
| 19 | $(error only binutils >= 2.20.2 have needed option -mfix-loongson2f-jump) |
| 20 | else |
| 21 | cflags-$(CONFIG_CPU_JUMP_WORKAROUNDS) += -Wa$(comma)-mfix-loongson2f-jump |
| 22 | endif |
| 23 | endif |
| 24 | |
| 25 | # |
| 26 | # Loongson Machines' Support |
| 27 | # |
| 28 | |
| 29 | platform-$(CONFIG_MACH_LOONGSON2EF) += loongson2ef/ |
| 30 | cflags-$(CONFIG_MACH_LOONGSON2EF) += -I$(srctree)/arch/mips/include/asm/mach-loongson2ef -mno-branch-likely |
| 31 | load-$(CONFIG_LEMOTE_FULOONG2E) += 0xffffffff80100000 |
| 32 | load-$(CONFIG_LEMOTE_MACH2F) += 0xffffffff80200000 |