# 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

config BR2_RISCV_ISA_RVV
	bool

config BR2_RISCV_ISA_RVXTHEAD
	bool

choice
	prompt "Target Architecture"
	default BR2_riscv64_gcxthead

config BR2_riscv32_gcxthead
	bool "RV32GC + X"
	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
	select BR2_RISCV_ISA_RVC
	select BR2_RISCV_ISA_RVXTHEAD
	select BR2_RISCV_32
	help
	  Integer Riscv32 + General (IMAFD) + Compressed (C) + T-Head Xtension (X).

config BR2_riscv32_gcvxthead
	bool "RV32GC + V + X"
	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
	select BR2_RISCV_ISA_RVC
	select BR2_RISCV_ISA_RVV
	select BR2_RISCV_ISA_RVXTHEAD
	select BR2_RISCV_32
	help
	  Integer Riscv32 + General (IMAFD) + Compressed (C) + T-Head Xtension (X).

config BR2_riscv64_gcxthead
	bool "RV64GC + X"
	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
	select BR2_RISCV_ISA_RVC
	select BR2_RISCV_ISA_RVXTHEAD
	select BR2_RISCV_64
	help
	  Integer Riscv64 + General (IMAFD) + Compressed (C) + T-Head Xtension (X).

config BR2_riscv64_gcvxthead
	bool "RV64GC + V + X"
	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
	select BR2_RISCV_ISA_RVC
	select BR2_RISCV_ISA_RVV
	select BR2_RISCV_ISA_RVXTHEAD
	select BR2_RISCV_64
	help
	  Integer Riscv64 + General (IMAFD) + Compressed (C) + Vector (V) + T-Head Xtension (X).

endchoice

# choice
# 	prompt "Target Architecture Size"
# 	default BR2_RISCV_64

config BR2_RISCV_32
	bool # "32-bit"
	select BR2_ARCH_HAS_MMU_MANDATORY

config BR2_RISCV_64
	bool # "64-bit"
	select BR2_ARCH_IS_64
	select BR2_ARCH_HAS_MMU_OPTIONAL

# 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; -*-