# RISC-V CPU ISA extensions. config BR2_RISCV_ISA_RVI bool config BR2_RISCV_ISA_RVM bool config BR2_RISCV_ISA_RVA bool config BR2_RISCV_ISA_RVF bool config BR2_RISCV_ISA_RVD bool config BR2_RISCV_ISA_RVC bool choice prompt "Target Architecture Variant" default BR2_riscv_g config BR2_riscv_g bool "General purpose (G)" select BR2_RISCV_ISA_RVI select BR2_RISCV_ISA_RVM select BR2_RISCV_ISA_RVA select BR2_RISCV_ISA_RVF select BR2_RISCV_ISA_RVD help General purpose (G) is equivalent to IMAFD. config BR2_riscv_custom bool "Custom architecture" select BR2_RISCV_ISA_RVI select BR2_RISCV_ISA_CUSTOM_RVA endchoice if BR2_riscv_custom comment "Instruction Set Extensions" config BR2_RISCV_ISA_CUSTOM_RVM bool "Integer Multiplication and Division (M)" select BR2_RISCV_ISA_RVM config BR2_RISCV_ISA_CUSTOM_RVA bool "Atomic Instructions (A)" select BR2_RISCV_ISA_RVA config BR2_RISCV_ISA_CUSTOM_RVF bool "Single-precision Floating-point (F)" select BR2_RISCV_ISA_RVF config BR2_RISCV_ISA_CUSTOM_RVD bool "Double-precision Floating-point (D)" depends on BR2_RISCV_ISA_RVF select BR2_RISCV_ISA_RVD config BR2_RISCV_ISA_CUSTOM_RVC bool "Compressed Instructions (C)" select BR2_RISCV_ISA_RVC endif choice prompt "Target Architecture Size" default BR2_RISCV_64 config BR2_RISCV_32 bool "32-bit" config BR2_RISCV_64 bool "64-bit" select BR2_ARCH_IS_64 endchoice choice prompt "Target ABI" default BR2_RISCV_ABI_ILP32D if !BR2_ARCH_IS_64 && BR2_RISCV_ISA_RVD default BR2_RISCV_ABI_ILP32F if !BR2_ARCH_IS_64 && BR2_RISCV_ISA_RVF default BR2_RISCV_ABI_ILP32 if !BR2_ARCH_IS_64 default BR2_RISCV_ABI_LP64D if BR2_ARCH_IS_64 && BR2_RISCV_ISA_RVD default BR2_RISCV_ABI_LP64F if BR2_ARCH_IS_64 && BR2_RISCV_ISA_RVF default BR2_RISCV_ABI_LP64 if BR2_ARCH_IS_64 config BR2_RISCV_ABI_ILP32 bool "ilp32" depends on !BR2_ARCH_IS_64 config BR2_RISCV_ABI_ILP32F bool "ilp32f" depends on !BR2_ARCH_IS_64 && BR2_RISCV_ISA_RVF config BR2_RISCV_ABI_ILP32D bool "ilp32d" depends on !BR2_ARCH_IS_64 && BR2_RISCV_ISA_RVD config BR2_RISCV_ABI_LP64 bool "lp64" depends on BR2_ARCH_IS_64 config BR2_RISCV_ABI_LP64F bool "lp64f" depends on BR2_ARCH_IS_64 && BR2_RISCV_ISA_RVF config BR2_RISCV_ABI_LP64D bool "lp64d" depends on BR2_ARCH_IS_64 && BR2_RISCV_ISA_RVD endchoice config BR2_ARCH default "riscv32" if !BR2_ARCH_IS_64 default "riscv64" if BR2_ARCH_IS_64 config BR2_ENDIAN default "LITTLE" config BR2_GCC_TARGET_ABI default "ilp32" if BR2_RISCV_ABI_ILP32 default "ilp32f" if BR2_RISCV_ABI_ILP32F default "ilp32d" if BR2_RISCV_ABI_ILP32D default "lp64" if BR2_RISCV_ABI_LP64 default "lp64f" if BR2_RISCV_ABI_LP64F default "lp64d" if BR2_RISCV_ABI_LP64D config BR2_READELF_ARCH_NAME default "RISC-V" # vim: ft=kconfig # -*- mode:kconfig; -*-