File: riscv.gni

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# Copyright 2023 The Chromium Authors
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

import("//build/config/v8_target_cpu.gni")

if (current_cpu == "riscv64" || v8_current_cpu == "riscv64" ||
    current_cpu == "riscv32" || v8_current_cpu == "riscv32") {
  declare_args() {
    # RISCV Vector extension compilation flag.
    riscv_use_rvv = false

    # RISCV Vector extension VELEN. Possible values are:
    #   128
    #   256
    #   512
    #   1024
    riscv_rvv_vlen = 128

    # RISCV profile compilation flag. Possible values are:
    # rv64gc
    # rvau22
    riscv_profile = "rv64gc"

    # RISCV B extension compilation flag.
    # See https://github.com/riscv/riscv-bitmanip/blob/main/bitmanip/bitmanip.adoc#colophon
    riscv_use_zba = false
    riscv_use_zbb = false
    riscv_use_zbs = false

    # RISCV Svpbmt Standard Extension for Page-Based Memory Types
    # RISCV SV39 compilation flag.
    riscv_use_sv39 = false
  }
}