xref: /aosp_15_r20/external/cronet/build/config/riscv.gni (revision 6777b5387eb2ff775bb5750e3f5d96f37fb7352b)
1*6777b538SAndroid Build Coastguard Worker# Copyright 2023 The Chromium Authors
2*6777b538SAndroid Build Coastguard Worker# Use of this source code is governed by a BSD-style license that can be
3*6777b538SAndroid Build Coastguard Worker# found in the LICENSE file.
4*6777b538SAndroid Build Coastguard Worker
5*6777b538SAndroid Build Coastguard Workerimport("//build/config/v8_target_cpu.gni")
6*6777b538SAndroid Build Coastguard Worker
7*6777b538SAndroid Build Coastguard Workerif (current_cpu == "riscv64" || v8_current_cpu == "riscv64" ||
8*6777b538SAndroid Build Coastguard Worker    current_cpu == "riscv32" || v8_current_cpu == "riscv32") {
9*6777b538SAndroid Build Coastguard Worker  declare_args() {
10*6777b538SAndroid Build Coastguard Worker    # RISCV Vector extension compilation flag.
11*6777b538SAndroid Build Coastguard Worker    riscv_use_rvv = false
12*6777b538SAndroid Build Coastguard Worker
13*6777b538SAndroid Build Coastguard Worker    # RISCV Vector extension VELEN. Possible values are:
14*6777b538SAndroid Build Coastguard Worker    #   128
15*6777b538SAndroid Build Coastguard Worker    #   256
16*6777b538SAndroid Build Coastguard Worker    #   512
17*6777b538SAndroid Build Coastguard Worker    #   1024
18*6777b538SAndroid Build Coastguard Worker    riscv_rvv_vlen = 128
19*6777b538SAndroid Build Coastguard Worker
20*6777b538SAndroid Build Coastguard Worker    # RISCV profile compilation flag. Possible values are:
21*6777b538SAndroid Build Coastguard Worker    # rv64gc
22*6777b538SAndroid Build Coastguard Worker    # rvau22
23*6777b538SAndroid Build Coastguard Worker    riscv_profile = "rv64gc"
24*6777b538SAndroid Build Coastguard Worker
25*6777b538SAndroid Build Coastguard Worker    # RISCV B extension compilation flag.
26*6777b538SAndroid Build Coastguard Worker    # See https://github.com/riscv/riscv-bitmanip/blob/main/bitmanip/bitmanip.adoc#colophon
27*6777b538SAndroid Build Coastguard Worker    riscv_use_zba = false
28*6777b538SAndroid Build Coastguard Worker    riscv_use_zbb = false
29*6777b538SAndroid Build Coastguard Worker    riscv_use_zbs = false
30*6777b538SAndroid Build Coastguard Worker  }
31*6777b538SAndroid Build Coastguard Worker}
32