xref: /OK3568_Linux_fs/buildroot/arch/arch.mk.riscv (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun#
2*4882a593Smuzhiyun# Configure the GCC_TARGET_ARCH variable and append the
3*4882a593Smuzhiyun# appropriate RISC-V ISA extensions.
4*4882a593Smuzhiyun#
5*4882a593Smuzhiyun
6*4882a593Smuzhiyunifeq ($(BR2_riscv),y)
7*4882a593Smuzhiyun
8*4882a593Smuzhiyunifeq ($(BR2_RISCV_64),y)
9*4882a593SmuzhiyunGCC_TARGET_ARCH := rv64i
10*4882a593Smuzhiyunelse
11*4882a593SmuzhiyunGCC_TARGET_ARCH := rv32i
12*4882a593Smuzhiyunendif
13*4882a593Smuzhiyun
14*4882a593Smuzhiyunifeq ($(BR2_RISCV_ISA_RVM),y)
15*4882a593SmuzhiyunGCC_TARGET_ARCH := $(GCC_TARGET_ARCH)m
16*4882a593Smuzhiyunendif
17*4882a593Smuzhiyunifeq ($(BR2_RISCV_ISA_RVA),y)
18*4882a593SmuzhiyunGCC_TARGET_ARCH := $(GCC_TARGET_ARCH)a
19*4882a593Smuzhiyunendif
20*4882a593Smuzhiyunifeq ($(BR2_RISCV_ISA_RVF),y)
21*4882a593SmuzhiyunGCC_TARGET_ARCH := $(GCC_TARGET_ARCH)f
22*4882a593Smuzhiyunendif
23*4882a593Smuzhiyunifeq ($(BR2_RISCV_ISA_RVD),y)
24*4882a593SmuzhiyunGCC_TARGET_ARCH := $(GCC_TARGET_ARCH)d
25*4882a593Smuzhiyunendif
26*4882a593Smuzhiyunifeq ($(BR2_RISCV_ISA_RVC),y)
27*4882a593SmuzhiyunGCC_TARGET_ARCH := $(GCC_TARGET_ARCH)c
28*4882a593Smuzhiyunendif
29*4882a593Smuzhiyun
30*4882a593Smuzhiyunendif
31