From 56e062476df7c2d96b18bb9c8afe384bd75d75b2 Mon Sep 17 00:00:00 2001
From: Alexander David Frick <Alex313031@gmail.com>
Date: Sun, 11 Sep 2022 18:28:07 -0500
Subject: [PATCH] Delete arm.gni

---
 arm/arm.gni | 158 ----------------------------------------------------
 1 file changed, 158 deletions(-)
 delete mode 100644 arm/arm.gni

diff --git a/arm/arm.gni b/arm/arm.gni
deleted file mode 100644
index 4786d73b..00000000
--- a/arm/arm.gni
+++ /dev/null
@@ -1,158 +0,0 @@
-# Copyright 2022 The Chromium Authors and Alex313031. All rights reserved.
-# Use of this source code is governed by a BSD-style license that can be
-# found in the LICENSE file.
-
-import("//build/config/chromeos/ui_mode.gni")
-import("//build/config/v8_target_cpu.gni")
-
-# These are primarily relevant in current_cpu == "arm" contexts, where
-# ARM code is being compiled.  But they can also be relevant in the
-# other contexts when the code will change its behavior based on the
-# cpu it wants to generate code for.
-if (current_cpu == "arm" || v8_current_cpu == "arm") {
-  declare_args() {
-    # Version of the ARM processor when compiling on ARM. Ignored on non-ARM
-    # platforms.
-    arm_version = 8
-
-    # The ARM architecture. This will be a string like "armv6" or "armv7-a".
-    # An empty string means to use the default for the arm_version.
-    arm_arch = ""
-
-    # The ARM floating point hardware. This will be a string like "neon" or
-    # "vfpv3". An empty string means to use the default for the arm_version.
-    arm_fpu = ""
-
-    # The ARM variant-specific tuning mode. This will be a string like "armv6"
-    # or "cortex-a15". An empty string means to use the default for the
-    # arm_version.
-    arm_tune = ""
-
-    # Whether to use the neon FPU instruction set or not.
-    arm_use_neon = false
-
-    # Whether to enable optional NEON code paths.
-    arm_optionally_use_neon = false
-
-    # Thumb is a reduced instruction set available on some ARM processors that
-    # has increased code density.
-    arm_use_thumb = true
-  }
-
-  # For lacros build, we use ARM v8 by default.
-  if (is_chromeos_lacros && arm_arch == "") {
-    arm_version = 8
-    arm_arch = "armv8-a+crc"
-  }
-
-  if (current_os == "android" || target_os == "android") {
-    arm_float_abi = "softfp"
-  } else {
-    declare_args() {
-      # The ARM floating point mode. This is either the string "hard", "soft",
-      # or "softfp". An empty string means to use the default one for the
-      # arm_version.
-      arm_float_abi = ""
-    }
-  }
-  assert(arm_float_abi == "" || arm_float_abi == "hard" ||
-         arm_float_abi == "soft" || arm_float_abi == "softfp")
-
-  if (arm_use_neon == "") {
-    if (current_os == "linux" && target_cpu != v8_target_cpu) {
-      # Don't use neon on V8 simulator builds as a default.
-      arm_use_neon = false
-    } else {
-      arm_use_neon = true
-    }
-  }
-
-  if (arm_version == 6) {
-    if (arm_arch == "") {
-      # v8 can still with version 6 but only with the armv6k extension.
-      arm_arch = "armv6k"
-    }
-    if (arm_tune != "") {
-      arm_tune = ""
-    }
-    if (arm_float_abi == "") {
-      arm_float_abi = "softfp"
-    }
-    if (arm_fpu == "") {
-      arm_fpu = "vfp"
-    }
-    arm_use_thumb = false
-    arm_use_neon = false
-  } else if (arm_version == 7) {
-    if (arm_arch == "") {
-      arm_arch = "armv7-a"
-    }
-
-    if (arm_float_abi == "") {
-      if (current_os == "linux" && target_cpu != v8_target_cpu) {
-        # Default to the same as Android for V8 simulator builds.
-        arm_float_abi = "softfp"
-      } else {
-        arm_float_abi = "hard"
-      }
-    }
-
-    if (arm_fpu == "") {
-      if (arm_use_neon) {
-        arm_fpu = "neon"
-      } else {
-        arm_fpu = "vfpv3-d16"
-      }
-    }
-  } else if (arm_version == 8) {
-    if (arm_arch == "") {
-      arm_arch = "armv8-a"
-    }
-    if (arm_tune == "") {
-      arm_tune = "generic-armv8-a"
-    }
-
-    if (arm_float_abi == "") {
-      arm_float_abi = "hard"
-    }
-
-    if (arm_fpu == "") {
-      if (arm_use_neon) {
-        arm_fpu = "neon"
-      } else {
-        arm_fpu = "vfpv3-d16"
-      }
-    }
-  }
-} else if (current_cpu == "arm64" || v8_current_cpu == "arm64") {
-  # arm64 supports only "hard".
-  arm_version = 8
-  arm_arch = "armv8-a"
-  arm_tune = "generic-armv8-a"
-  arm_float_abi = "hard"
-  arm_use_thumb = true
-  arm_use_neon = false
-  arm_optionally_use_neon = false
-  arm_fpu = "vfpv3-d16"
-  declare_args() {
-    # Enables the new Armv8 branch protection features. Valid strings are:
-    # - "pac": Enables Pointer Authentication Code (PAC, featured in Armv8.3)
-    # - "standard": Enables both PAC and Branch Target Identification (Armv8.5).
-    # - "none": No branch protection.
-    arm_control_flow_integrity = "standard"
-
-    # TODO(cavalcantii): enable the feature for the following OSes next.
-    if (is_mac || is_chromeos || is_fuchsia || is_win ||
-        target_cpu != "arm64") {
-      # target_cpu != "arm64" covers some cases (e.g. the ChromeOS x64 MSAN
-      # build) where the target platform is x64, but V8 is configured to use
-      # the arm64 simulator. Pointer authentication doesn't work properly
-      # in this mode (yet).
-      arm_control_flow_integrity = "none"
-    }
-  }
-  assert(arm_control_flow_integrity == "none" ||
-             arm_control_flow_integrity == "standard" ||
-             arm_control_flow_integrity == "pac",
-         "Invalid branch protection option")
-}