Lines Matching +full:riscv +full:- +full:v +full:- +full:spec
2 # architecture-specific flags and dependencies.
9 LDFLAGS_vmlinux := -z norelro
11 LDFLAGS_vmlinux += -shared -Bsymbolic -z notext --emit-relocs
12 KBUILD_CFLAGS += -fPIE
15 LDFLAGS_vmlinux += --no-relax
16 KBUILD_CPPFLAGS += -DCC_USING_PATCHABLE_FUNCTION_ENTRY
18 CC_FLAGS_FTRACE := -fpatchable-function-entry=4
20 CC_FLAGS_FTRACE := -fpatchable-function-entry=2
25 KBUILD_CFLAGS_MODULE += -mcmodel=medany
33 KBUILD_CFLAGS += -mabi=lp64
34 KBUILD_AFLAGS += -mabi=lp64
36 KBUILD_LDFLAGS += -melf64lriscv
41 KBUILD_CFLAGS += -mabi=ilp32
42 KBUILD_AFLAGS += -mabi=ilp32
43 KBUILD_LDFLAGS += -melf32lriscv
47 ifeq ($(call test-lt, $(CONFIG_LLD_VERSION), 150000),y)
48 KBUILD_CFLAGS += -mno-relax
49 KBUILD_AFLAGS += -mno-relax
51 KBUILD_CFLAGS += -Wa,-mno-relax
52 KBUILD_AFLAGS += -Wa,-mno-relax
58 riscv-march-$(CONFIG_ARCH_RV32I) := rv32ima
59 riscv-march-$(CONFIG_ARCH_RV64I) := rv64ima
60 riscv-march-$(CONFIG_FPU) := $(riscv-march-y)fd
61 riscv-march-$(CONFIG_RISCV_ISA_C) := $(riscv-march-y)c
62 riscv-march-$(CONFIG_RISCV_ISA_V) := $(riscv-march-y)v
65 KBUILD_CFLAGS += -Wa,-misa-spec=2.2
66 KBUILD_AFLAGS += -Wa,-misa-spec=2.2
68 riscv-march-$(CONFIG_TOOLCHAIN_NEEDS_EXPLICIT_ZICSR_ZIFENCEI) := $(riscv-march-y)_zicsr_zifencei
72 riscv-march-$(CONFIG_TOOLCHAIN_HAS_ZIHINTPAUSE) := $(riscv-march-y)_zihintpause
74 # Remove F,D,V from isa string for all. Keep extensions between "fd" and "v" by
75 # matching non-v and non-multi-letter extensions out with the filter ([^v_]*)
76 KBUILD_CFLAGS += -march=$(shell echo $(riscv-march-y) | sed -E 's/(rv32ima|rv64ima)fd([^v_]*)v?/\1\…
78 KBUILD_AFLAGS += -march=$(riscv-march-y)
80 KBUILD_CFLAGS += -mno-save-restore
81 KBUILD_CFLAGS += -DCONFIG_PAGE_OFFSET=$(CONFIG_PAGE_OFFSET)
84 KBUILD_CFLAGS += -mcmodel=medlow
87 KBUILD_CFLAGS += -mcmodel=medany
91 KBUILD_CFLAGS += -fno-asynchronous-unwind-tables -fno-unwind-tables
93 # The RISC-V attributes frequently cause compatibility issues and provide no
95 KBUILD_CFLAGS += $(call cc-option,-mno-riscv-attribute)
96 KBUILD_AFLAGS += $(call cc-option,-mno-riscv-attribute)
97 KBUILD_CFLAGS += $(call as-option,-Wa$(comma)-mno-arch-attr)
98 KBUILD_AFLAGS += $(call as-option,-Wa$(comma)-mno-arch-attr)
100 KBUILD_CFLAGS_MODULE += $(call cc-option,-mno-relax)
101 KBUILD_AFLAGS_MODULE += $(call as-option,-Wa$(comma)-mno-relax)
103 # GCC versions that support the "-mstrict-align" option default to allowing
105 # RISC-V ISA, they're emulated by machine mode traps on all extant
107 KBUILD_CFLAGS += $(call cc-option,-mstrict-align)
112 $(eval KBUILD_CFLAGS += -mstack-protector-guard=tls \
113 -mstack-protector-guard-reg=tp \
114 -mstack-protector-guard-offset=$(shell \
116 include/generated/asm-offsets.h))
120 CHECKFLAGS += -D__riscv -D__riscv_xlen=$(BITS)
123 boot := arch/riscv/boot
130 libs-y += arch/riscv/lib/
131 libs-$(CONFIG_EFI_STUB) += $(objtree)/drivers/firmware/efi/libstub/lib.a
135 $(Q)$(MAKE) $(build)=arch/riscv/kernel/vdso $@
137 $(build)=arch/riscv/kernel/compat_vdso compat_$@)
143 $(Q)$(MAKE) $(build)=arch/riscv/kernel/vdso include/generated/vdso-offsets.h
145 $(build)=arch/riscv/kernel/compat_vdso include/generated/compat_vdso-offsets.h)
179 $(Q)$(MAKE) KCONFIG_ALLCONFIG=$(srctree)/arch/riscv/configs/32-bit.config \
180 -f $(srctree)/Makefile randconfig
184 $(Q)$(MAKE) KCONFIG_ALLCONFIG=$(srctree)/arch/riscv/configs/64-bit.config \
185 -f $(srctree)/Makefile randconfig
189 $(Q)$(MAKE) -f $(srctree)/Makefile defconfig 32-bit.config
193 $(Q)$(MAKE) -f $(srctree)/Makefile nommu_virt_defconfig 32-bit.config