[infra] Remove references to unsupported ARMv6 and ARMv5TE.

Change-Id: I2fb2f438940866333c7d34d26f7eb4c447b25a95
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/237624
Reviewed-by: William Hesse <whesse@google.com>
Commit-Queue: Ryan Macnak <rmacnak@google.com>

pkg/smith/lib/configuration.dart

@@ -577,11 +577,9 @@ class Architecture extends NamedEnum {
   static const x64c = Architecture._('x64c');
   static const arm = Architecture._('arm');
   static const arm_x64 = Architecture._('arm_x64');
-  static const armv6 = Architecture._('armv6');
   static const arm64 = Architecture._('arm64');
   static const arm64c = Architecture._('arm64c');
   static const simarm = Architecture._('simarm');
-  static const simarmv6 = Architecture._('simarmv6');
   static const simarm64 = Architecture._('simarm64');
   static const simarm64c = Architecture._('simarm64c');
   static const riscv32 = Architecture._('riscv32');
@@ -596,12 +594,10 @@ class Architecture extends NamedEnum {
     x64,
     x64c,
     arm,
-    armv6,
     arm_x64,
     arm64,
     arm64c,
     simarm,
-    simarmv6,
     simarm64,
     simarm64c,
     riscv32,

pkg/test_runner/lib/src/runtime_configuration.dart

@@ -257,8 +257,6 @@ class DartVmRuntimeConfiguration extends RuntimeConfiguration {
       case Architecture.arm_x64:
       case Architecture.arm64:
       case Architecture.arm64c:
-      case Architecture.simarmv6:
-      case Architecture.armv6:
       case Architecture.simarm64:
       case Architecture.simarm64c:
       case Architecture.simriscv32:

tools/gn.py

@@ -97,13 +97,10 @@ def HostCpuForArch(arch):
     m = platform.machine()
     if m == 'aarch64' or m == 'arm64':
         return 'arm64'
-    if m == 'armv7l' or m == 'armv6l':
+    if m == 'armv7l':
         return 'arm'
 
-    if arch in [
-            'ia32', 'arm', 'armv6', 'simarm', 'simarm_x64', 'riscv32',
-            'simriscv32'
-    ]:
+    if arch in ['ia32', 'arm', 'simarm', 'simarm_x64', 'riscv32', 'simriscv32']:
         return 'x86'
     if arch in [
             'x64', 'arm64', 'simarm64', 'arm_x64', 'x64c', 'arm64c',
@@ -239,11 +236,6 @@ def ToGnArgs(args, mode, arch, target_os, sanitizer, verify_sdk_hash):
             gn_args['arm_version'] = 7
             gn_args['arm_float_abi'] = floatabi
             gn_args['arm_use_neon'] = True
-        elif gn_args['target_cpu'] == 'armv6':
-            floatabi = 'softfp' if args.arm_float_abi == '' else args.arm_float_abi
-            gn_args['target_cpu'] = 'arm'
-            gn_args['arm_version'] = 6
-            gn_args['arm_float_abi'] = floatabi
 
     gn_args['is_debug'] = mode == 'debug'
     gn_args['is_release'] = mode == 'release'
@@ -389,7 +381,6 @@ def ProcessOptions(args):
                     'x64',
                     'arm',
                     'arm_x64',
-                    'armv6',
                     'arm64',
                     'x64c',
                     'arm64c',

tools/linux_dist_support/create_debian_packages.py

@@ -35,7 +35,7 @@ def BuildOptions():
     result.add_option("-a",
                       "--arch",
                       help='Target architectures (comma-separated).',
-                      metavar='[all,ia32,x64,armel,armhf]',
+                      metavar='[all,ia32,x64,armhf]',
                       default='x64')
     result.add_option("-t",
                       "--toolchain",
@@ -92,12 +92,6 @@ def BuildDebianPackage(tarball, out_dir, arch, toolchain):
             RunBuildPackage(['-B', '-aarmhf', '-us', '-uc'],
                             join(temp_dir, tarroot), toolchain)
 
-        # Build armel binary package.
-        if 'armel' in arch:
-            print("Building armel package")
-            RunBuildPackage(['-B', '-aarmel', '-us', '-uc'],
-                            join(temp_dir, tarroot), toolchain)
-
         # Copy the Debian package files to the build directory.
         debbase = 'dart_%s' % version
         source_package = [
@@ -108,7 +102,6 @@ def BuildDebianPackage(tarball, out_dir, arch, toolchain):
         i386_package = ['%s-1_i386.deb' % debbase]
         amd64_package = ['%s-1_amd64.deb' % debbase]
         armhf_package = ['%s-1_armhf.deb' % debbase]
-        armel_package = ['%s-1_armel.deb' % debbase]
 
         for name in source_package:
             copyfile(join(temp_dir, name), join(out_dir, name))
@@ -121,9 +114,6 @@ def BuildDebianPackage(tarball, out_dir, arch, toolchain):
         if ('armhf' in arch):
             for name in armhf_package:
                 copyfile(join(temp_dir, name), join(out_dir, name))
-        if ('armel' in arch):
-            for name in armel_package:
-                copyfile(join(temp_dir, name), join(out_dir, name))
 
 
 def Main():

tools/sdks/update.sh

@@ -34,7 +34,7 @@ rm -rf sdk
 gsutil.py cp "gs://dart-archive/channels/$channel/release/$1/sdk/dartsdk-linux-arm-release.zip" .
 unzip -q dartsdk-linux-arm-release.zip -d sdk
 cipd create \
-  -name dart/dart-sdk/linux-armv6l \
+  -name dart/dart-sdk/linux-arm \
   -in sdk \
   -install-mode copy \
   -tag version:$1 \

tools/utils.py

@@ -152,9 +152,7 @@ def GuessOS():
 # Try to guess the host architecture.
 def GuessArchitecture():
     os_id = platform.machine()
-    if os_id.startswith('armv6'):
-        return 'armv6'
-    elif os_id.startswith('aarch64') or os_id == 'arm64':
+    if os_id.startswith('aarch64') or os_id == 'arm64':
         return 'arm64'
     elif os_id.startswith('arm'):
         return 'arm'