arm64 initial support

Change-Id: Iee040b6c0d8e252fc19b27874be178e89e58e127
Signed-off-by: Eugene Mutavchi <Ievgen_Mutavchi@comcast.com>
diff --git a/src/third_party/starboard/rdk/arm64/BUILD.gn b/src/third_party/starboard/rdk/arm64/BUILD.gn
new file mode 100644
index 0000000..6c67287
--- /dev/null
+++ b/src/third_party/starboard/rdk/arm64/BUILD.gn
@@ -0,0 +1,45 @@
+# Copyright 2022 Comcast Cable Communications Management, LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+# SPDX-License-Identifier: Apache-2.0
+#
+# Copyright 2021 The Cobalt Authors. All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+static_library("starboard_platform") {
+  configs += [
+    "//starboard/build/config:starboard_implementation",
+  ]
+
+  public_deps = [
+    "//third_party/starboard/rdk/shared:starboard_platform",
+  ]
+
+  sources = [
+    "atomic_public.h",
+    "configuration_constants.cc",
+    "thread_types_public.h",
+  ]
+}
diff --git a/src/third_party/starboard/rdk/arm64/args.gn b/src/third_party/starboard/rdk/arm64/args.gn
new file mode 100644
index 0000000..e2787ce
--- /dev/null
+++ b/src/third_party/starboard/rdk/arm64/args.gn
@@ -0,0 +1,35 @@
+# Copyright 2022 Comcast Cable Communications Management, LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+# SPDX-License-Identifier: Apache-2.0
+#
+# Copyright 2022 The Cobalt Authors. All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+target_platform = "rdk-arm64"
+target_os = "linux"
+target_cpu = "arm64"
+is_clang = false
+using_old_compiler = true
diff --git a/src/third_party/starboard/rdk/arm64/atomic_public.h b/src/third_party/starboard/rdk/arm64/atomic_public.h
new file mode 100644
index 0000000..7c08593
--- /dev/null
+++ b/src/third_party/starboard/rdk/arm64/atomic_public.h
@@ -0,0 +1,37 @@
+//
+// Copyright 2020 Comcast Cable Communications Management, LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+// SPDX-License-Identifier: Apache-2.0
+//
+// Copyright 2016 The Cobalt Authors. All Rights Reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#ifndef THIRD_PARTY_STARBOARD_RDK_ARM_ATOMIC_PUBLIC_H_
+#define THIRD_PARTY_STARBOARD_RDK_ARM_ATOMIC_PUBLIC_H_
+
+#include "third_party/starboard/rdk/shared/atomic_public.h"
+
+#endif  // THIRD_PARTY_STARBOARD_RDK_ARM_ATOMIC_PUBLIC_H_
diff --git a/src/third_party/starboard/rdk/arm64/configuration_constants.cc b/src/third_party/starboard/rdk/arm64/configuration_constants.cc
new file mode 100644
index 0000000..b0fb96e
--- /dev/null
+++ b/src/third_party/starboard/rdk/arm64/configuration_constants.cc
@@ -0,0 +1,165 @@
+// Copyright 2020 Comcast Cable Communications Management, LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+// SPDX-License-Identifier: Apache-2.0
+//
+// Copyright 2019 The Cobalt Authors. All Rights Reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// This file defines all configuration constants for a platform.
+
+#include "starboard/configuration_constants.h"
+
+// Determines the threshhold of allocation size that should be done with mmap
+// (if available), rather than allocated within the core heap.
+const size_t kSbDefaultMmapThreshold = 256 * 1024U;
+
+// The current platform's maximum length of the name of a single directory
+// entry, not including the absolute path.
+const int32_t kSbFileMaxName = 64;
+
+// The current platform's maximum number of files that can be opened at the
+// same time by one process.
+const uint32_t kSbFileMaxOpen = 256;
+
+// The current platform's alternate file path component separator character.
+// This is like SB_FILE_SEP_CHAR, except if your platform supports an alternate
+// character, then you can place that here. For example, on windows machines,
+// the primary separator character is probably '\', but the alternate is '/'.
+const char kSbFileAltSepChar = '/';
+
+// The string form of SB_FILE_ALT_SEP_CHAR.
+const char* kSbFileAltSepString = "/";
+
+// The current platform's maximum length of an absolute path.
+const uint32_t kSbFileMaxPath = 4096;
+
+// The current platform's file path component separator character. This is the
+// character that appears after a directory in a file path. For example, the
+// absolute canonical path of the file "/path/to/a/file.txt" uses '/' as a path
+// component separator character.
+const char kSbFileSepChar = '/';
+
+// The string form of SB_FILE_SEP_CHAR.
+const char* kSbFileSepString = "/";
+
+// Allow ac3 and ec3 support
+const bool kSbHasAc3Audio = true;
+
+// Specifies whether this platform has webm/vp9 support.  This should be set to
+// non-zero on platforms with webm/vp9 support.
+const bool kSbHasMediaWebmVp9Support = true;
+
+// On default Linux desktop, you must be a superuser in order to set real time
+// scheduling on threads.
+const bool kSbHasThreadPrioritySupport = false;
+
+// Determines the alignment that allocations should have on this platform.
+const size_t kSbMallocAlignment = 16;
+
+// The maximum number of thread local storage keys supported by this platform.
+const uint32_t kSbMaxThreadLocalKeys = 512;
+
+// The maximum length of a name for a thread, including the NULL-terminator.
+const int32_t kSbMaxThreadNameLength = 16;
+
+// Defines the path where memory debugging logs should be written to.
+const char* kSbMemoryLogPath = "/tmp/starboard";
+
+// The maximum audio bitrate the platform can decode.  The following value
+// equals to 5M bytes per seconds which is more than enough for compressed
+// audio.
+const uint32_t kSbMediaMaxAudioBitrateInBitsPerSecond = 40 * 1024 * 1024;
+
+// The maximum video bitrate the platform can decode.  The following value
+// equals to 25M bytes per seconds which is more than enough for compressed
+// video.
+const uint32_t kSbMediaMaxVideoBitrateInBitsPerSecond = 200 * 1024 * 1024;
+
+// Specify the number of video frames to be cached during playback.  A large
+// value leads to more stable fps but also causes the app to use more memory.
+const uint32_t kSbMediaMaximumVideoFrames = 12;
+
+// The encoded video frames are compressed in different ways, their decoding
+// time can vary a lot.  Occasionally a single frame can take longer time to
+// decode than the average time per frame.  The player has to cache some frames
+// to account for such inconsistency.  The number of frames being cached are
+// controlled by the following two macros.
+//
+// Specify the number of video frames to be cached before the playback starts.
+// Note that set this value too large may increase the playback start delay.
+const uint32_t kSbMediaMaximumVideoPrerollFrames = 4;
+
+// Specifies how video frame buffers must be aligned on this platform.
+const uint32_t kSbMediaVideoFrameAlignment = 256;
+
+// The memory page size, which controls the size of chunks on memory that
+// allocators deal with, and the alignment of those chunks. This doesn't have to
+// be the hardware-defined physical page size, but it should be a multiple of
+// it.
+const size_t kSbMemoryPageSize = 4096;
+
+// Specifies the network receive buffer size in bytes, set via
+// SbSocketSetReceiveBufferSize().
+//
+// Setting this to 0 indicates that SbSocketSetReceiveBufferSize() should
+// not be called. Use this for OSs (such as Linux) where receive buffer
+// auto-tuning is better.
+//
+// On some platforms, this may affect max TCP window size which may
+// dramatically affect throughput in the presence of latency.
+//
+// If your platform does not have a good TCP auto-tuning mechanism,
+// a setting of (128 * 1024) here is recommended.
+const uint32_t kSbNetworkReceiveBufferSize = 0;
+
+// Defines the maximum number of simultaneous threads for this platform. Some
+// platforms require sharing thread handles with other kinds of system handles,
+// like mutexes, so we want to keep this managable.
+const uint32_t kSbMaxThreads = 90;
+
+// The current platform's search path component separator character. When
+// specifying an ordered list of absolute paths of directories to search for a
+// given reason, this is the character that appears between entries. For
+// example, the search path of "/etc/search/first:/etc/search/second" uses ':'
+// as a search path component separator character.
+const char kSbPathSepChar = ':';
+
+// The string form of SB_PATH_SEP_CHAR.
+const char* kSbPathSepString = ":";
+
+// Specifies the preferred byte order of color channels in a pixel. Refer to
+// starboard/configuration.h for the possible values. EGL/GLES platforms should
+// generally prefer a byte order of RGBA, regardless of endianness.
+const int kSbPreferredRgbaByteOrder = SB_PREFERRED_RGBA_BYTE_ORDER_RGBA;
+
+// The maximum number of users that can be signed in at the same time.
+const uint32_t kSbUserMaxSignedIn = 1;
+
+#if SB_API_VERSION >= 14
+// Defines maximum space in bytes the cache directory kSbSystemPathCacheDirectory can
+// use. The default value is 24MiB.
+const uint32_t kSbMaxSystemPathCacheDirectorySize = 24 << 20;  // 24MiB
+#endif //SB_API_VERSION >= 14
diff --git a/src/third_party/starboard/rdk/arm64/configuration_public.h b/src/third_party/starboard/rdk/arm64/configuration_public.h
new file mode 100644
index 0000000..907c09d
--- /dev/null
+++ b/src/third_party/starboard/rdk/arm64/configuration_public.h
@@ -0,0 +1,307 @@
+//
+// Copyright 2020 Comcast Cable Communications Management, LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+// SPDX-License-Identifier: Apache-2.0
+//
+// Copyright 2017 The Cobalt Authors. All Rights Reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// The Starboard configuration for a rdk implementation designed to be
+// built on rdk platforms.
+
+#ifndef THIRD_PARTY_STARBOARD_RDK_ARM_CONFIGURATION_PUBLIC_H_
+#define THIRD_PARTY_STARBOARD_RDK_ARM_CONFIGURATION_PUBLIC_H_
+
+// --- Architecture Configuration --------------------------------------------
+
+// Some platforms will not align variables on the stack with an alignment
+// greater than 16 bytes. Platforms where this is the case should define the
+// following quirk.
+#define SB_HAS_QUIRK_DOES_NOT_STACK_ALIGN_OVER_16_BYTES 1
+#define SB_HAS_QUIRK_DOES_NOT_ALIGN_FIELDS_IN_HEAP_OVER_16_BYTES 1
+
+// Some platforms do not have thread affinity support. Platforms where this is
+// the case should define the following quirk.
+#undef SB_HAS_QUIRK_THREAD_AFFINITY_UNSUPPORTED
+
+// Some platforms the mapped GL buffer memory is slow to read from.  Platforms
+// where this is the case should define the following quirk.
+#undef SB_HAS_QUIRK_GL_MAP_BUFFER_MEMORY_IS_SLOW_TO_READ
+
+// --- System Header Configuration -------------------------------------------
+
+// Any system headers listed here that are not provided by the platform will be
+// emulated in starboard/types.h.
+
+// Whether the current platform provides the standard header stdarg.h.
+#define SB_HAS_STDARG_H 1
+
+// Whether the current platform provides the standard header stdbool.h.
+#define SB_HAS_STDBOOL_H 1
+
+// Whether the current platform provides the standard header stddef.h.
+#define SB_HAS_STDDEF_H 1
+
+// Whether the current platform provides the standard header stdint.h.
+#define SB_HAS_STDINT_H 1
+
+// Whether the current platform provides the standard header inttypes.h.
+#define SB_HAS_INTTYPES_H 1
+
+// Whether the current platform provides the standard header sys/types.h.
+#define SB_HAS_SYS_TYPES_H 1
+
+// Whether the current platform provides the standard header wchar.h.
+#define SB_HAS_WCHAR_H 1
+
+// Whether the current platform provides the standard header limits.h.
+#define SB_HAS_LIMITS_H 1
+
+// Whether the current platform provides the standard header float.h.
+#define SB_HAS_FLOAT_H 1
+
+// Whether the current platform provides ssize_t.
+#define SB_HAS_SSIZE_T 1
+
+// Type detection for wchar_t.
+#if defined(__WCHAR_MAX__) && \
+    (__WCHAR_MAX__ == 0x7fffffff || __WCHAR_MAX__ == 0xffffffff)
+#define SB_IS_WCHAR_T_UTF32 1
+#elif defined(__WCHAR_MAX__) && \
+    (__WCHAR_MAX__ == 0x7fff || __WCHAR_MAX__ == 0xffff)
+#define SB_IS_WCHAR_T_UTF16 1
+#endif
+
+// Chrome only defines these two if ARMEL or MIPSEL are defined.
+#if defined(__ARMEL__)
+// Chrome has an exclusion for iOS here, we should too when we support iOS.
+#define SB_IS_WCHAR_T_UNSIGNED 1
+#elif defined(__MIPSEL__)
+#define SB_IS_WCHAR_T_SIGNED 1
+#endif
+
+// Some platforms have memset predefined in system headers. Platforms where this
+// is the case should define the following quirk.
+#undef SB_HAS_QUIRK_MEMSET_IN_SYSTEM_HEADERS
+
+// This quirk is used to switch the headers included in
+// starboard/shared/linux/socket_get_interface_address.cc for darwin system
+// headers. It may be removed at some point in favor of a different solution.
+#undef SB_HAS_QUIRK_SOCKET_BSD_HEADERS
+
+// Some platforms don't support gmtime_r. Platforms where this is the case
+// should define the following quirk.
+#undef SB_HAS_QUIRK_NO_GMTIME_R
+
+// --- Compiler Configuration ------------------------------------------------
+
+// The platform's annotation for forcing a C function to be inlined.
+#define SB_C_FORCE_INLINE __inline__ __attribute__((always_inline))
+
+// The platform's annotation for marking a C function as suggested to be
+// inlined.
+#define SB_C_INLINE inline
+
+// The platform's annotation for marking a C function as forcibly not
+// inlined.
+#define SB_C_NOINLINE __attribute__((noinline))
+
+// The platform's annotation for marking a symbol as exported outside of the
+// current shared library.
+#define SB_EXPORT_PLATFORM __attribute__((visibility("default")))
+
+// The platform's annotation for marking a symbol as imported from outside of
+// the current linking unit.
+#define SB_IMPORT_PLATFORM
+
+// On some platforms the __GNUC__ is defined even though parts of the
+// functionality are missing. Setting this to non-zero allows disabling missing
+// functionality encountered.
+#undef SB_HAS_QUIRK_COMPILER_SAYS_GNUC_BUT_ISNT
+
+// On some compilers, the frontend has a quirk such that #ifdef cannot
+// correctly detect __has_feature is defined, and an example error you get is:
+#undef SB_HAS_QUIRK_HASFEATURE_NOT_DEFINED_BUT_IT_IS
+
+// --- Extensions Configuration ----------------------------------------------
+
+// Do not use <unordered_map> and <unordered_set> for the hash table types.
+#define SB_HAS_STD_UNORDERED_HASH 1
+
+// GCC/Clang doesn't define a long long hash function, except for Android and
+// Game consoles.
+#define SB_HAS_LONG_LONG_HASH 0
+
+// GCC/Clang doesn't define a string hash function, except for Game Consoles.
+#define SB_HAS_STRING_HASH 0
+
+// Desktop Linux needs a using statement for the hash functions.
+#define SB_HAS_HASH_USING 0
+
+// Set this to 1 if hash functions for custom types can be defined as a
+// hash_value() function. Otherwise, they need to be placed inside a
+// partially-specified hash struct template with an operator().
+#define SB_HAS_HASH_VALUE 0
+
+// Set this to 1 if use of hash_map or hash_set causes a deprecation warning
+// (which then breaks the build).
+#define SB_HAS_HASH_WARNING 1
+
+// The location to include hash_map on this platform.
+#define SB_HASH_MAP_INCLUDE <ext/hash_map>
+
+// C++'s hash_map and hash_set are often found in different namespaces depending
+// on the compiler.
+#define SB_HASH_NAMESPACE __gnu_cxx
+
+// The location to include hash_set on this platform.
+#define SB_HASH_SET_INCLUDE <ext/hash_set>
+
+// Define this to how this platform copies varargs blocks.
+#define SB_VA_COPY(dest, source) va_copy(dest, source)
+
+// --- Filesystem Configuration ----------------------------------------------
+
+// Some operating systems constantly return zero values for creation, access
+// and modification time for files and directories. When this quirk is defined,
+// we need to ignore corresponded time values in applications as well as take
+// this fact into account in unit tests.
+#undef SB_HAS_QUIRK_FILESYSTEM_ZERO_FILEINFO_TIME
+
+// On some platforms the file system stores access times at a coarser
+// granularity than other times. When this quirk is defined, we assume the
+// access time is of 1 day precision.
+#undef SB_HAS_QUIRK_FILESYSTEM_COARSE_ACCESS_TIME
+
+// On some platforms the file system cannot access extremely long file names.
+// We do not need this feature on stub.
+#undef SB_HAS_QUIRK_HASH_FILE_NAME
+
+// --- Graphics Configuration ------------------------------------------------
+
+// Specifies whether this platform supports a performant accelerated blitter
+// API. The basic requirement is a scaled, clipped, alpha-blended blit.
+#define SB_HAS_BLITTER 0
+
+// Indicates whether or not the given platform supports bilinear filtering.
+// This can be checked to enable/disable renderer tests that verify that this is
+// working properly.
+#define SB_HAS_BILINEAR_FILTERING_SUPPORT 1
+
+// Indicates whether or not the given platform supports rendering of NV12
+// textures. These textures typically originate from video decoders.
+#define SB_HAS_NV12_TEXTURE_SUPPORT 0
+
+// Whether the current platform should frequently flip their display buffer.
+// If this is not required (e.g. SB_MUST_FREQUENTLY_FLIP_DISPLAY_BUFFER is set
+// to 0), then optimizations where the display buffer is not flipped if the
+// scene hasn't changed are enabled.
+#undef SB_MUST_FREQUENTLY_FLIP_DISPLAY_BUFFER
+
+// --- Media Configuration ---------------------------------------------------
+
+// After a seek is triggerred, the default behavior is to append video frames
+// from the last key frame before the seek time and append audio frames from the
+// seek time because usually all audio frames are key frames.  On platforms that
+// cannot decode video frames without displaying them, this will cause the video
+// being played without audio for several seconds after seeking.  When the
+// following macro is defined, the app will append audio frames start from the
+// timestamp that is before the timestamp of the video key frame being appended.
+#undef SB_HAS_QUIRK_SEEK_TO_KEYFRAME
+
+// The implementation is allowed to support kSbMediaAudioSampleTypeInt16 only
+// when this macro is defined.
+#define SB_HAS_QUIRK_SUPPORT_INT16_AUDIO_SAMPLES 1
+
+// dlmalloc will use the ffs intrinsic if available.  Platforms on which this is
+// not available should define the following quirk.
+#undef SB_HAS_QUIRK_NO_FFS
+
+// Specifies whether this platform updates audio frames asynchronously.  In such
+// case an extra parameter will be added to |SbAudioSinkConsumeFramesFunc| to
+// indicate the absolute time that the consumed audio frames are reported.
+// Check document for |SbAudioSinkConsumeFramesFunc| in audio_sink.h for more
+// details.
+#define SB_HAS_ASYNC_AUDIO_FRAMES_REPORTING 0
+
+// Specifies the stack size for threads created inside media stack.  Set to 0 to
+// use the default thread stack size.  Set to non-zero to explicitly set the
+// stack size for media stack threads.
+#define SB_MEDIA_THREAD_STACK_SIZE 0U
+
+// --- Decoder-only Params ---
+
+// Specifies how media buffers must be aligned on this platform as some
+// decoders may have special requirement on the alignment of buffers being
+// decoded.
+#define SB_MEDIA_BUFFER_ALIGNMENT 128U
+
+// --- Memory Configuration --------------------------------------------------
+
+// Whether this platform has and should use an MMAP function to map physical
+// memory to the virtual address space.
+#define SB_HAS_MMAP 1
+
+// Whether this platform can map executable memory. Implies SB_HAS_MMAP. This is
+// required for platforms that want to JIT.
+#define SB_CAN_MAP_EXECUTABLE_MEMORY 1
+
+// Whether this platform has and should use an growable heap (e.g. with sbrk())
+// to map physical memory to the virtual address space.
+#define SB_HAS_VIRTUAL_REGIONS 0
+
+// Specifies the alignment for IO Buffers, in bytes. Some low-level network APIs
+// may require buffers to have a specific alignment, and this is the place to
+// specify that.
+#define SB_NETWORK_IO_BUFFER_ALIGNMENT 16
+
+// --- Network Configuration -------------------------------------------------
+
+// Specifies whether this platform supports IPV6.
+#define SB_HAS_IPV6 1
+
+// Specifies whether this platform supports pipe.
+#define SB_HAS_PIPE 1
+
+// --- Timing API ------------------------------------------------------------
+
+// Whether this platform has an API to retrieve how long the current thread
+// has spent in the executing state.
+#define SB_HAS_TIME_THREAD_NOW 1
+
+// --- Platform Specific Audits ----------------------------------------------
+
+#if !defined(__GNUC__)
+#error "Rdk builds need a GCC-like compiler (for the moment)."
+#endif
+
+#define SB_PLATFORM_FRIENDLY_NAME "RDK"
+#define SB_PLATFORM_OPERATOR_NAME "Unknown"
+#define SB_PLATFORM_MODEL_YEAR 2021
+#define SB_PLATFORM_MODEL_NAME "RDKReference"
+#define SB_PLATFORM_FIRMWARE_VERSION_STRING "1.0.0"
+
+#endif  // THIRD_PARTY_STARBOARD_RDK_ARM_CONFIGURATION_PUBLIC_H_
diff --git a/src/third_party/starboard/rdk/arm64/platform_configuration/BUILD.gn b/src/third_party/starboard/rdk/arm64/platform_configuration/BUILD.gn
new file mode 100644
index 0000000..0f96b05
--- /dev/null
+++ b/src/third_party/starboard/rdk/arm64/platform_configuration/BUILD.gn
@@ -0,0 +1,35 @@
+# Copyright 2022 Comcast Cable Communications Management, LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+# SPDX-License-Identifier: Apache-2.0
+#
+# Copyright 2021 The Cobalt Authors. All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+config("platform_configuration") {
+  configs = [
+    "//third_party/starboard/rdk/shared/platform_configuration",
+  ]
+}
diff --git a/src/third_party/starboard/rdk/arm64/platform_configuration/configuration.gni b/src/third_party/starboard/rdk/arm64/platform_configuration/configuration.gni
new file mode 100644
index 0000000..402c95d
--- /dev/null
+++ b/src/third_party/starboard/rdk/arm64/platform_configuration/configuration.gni
@@ -0,0 +1,35 @@
+# Copyright 2022 Comcast Cable Communications Management, LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+# SPDX-License-Identifier: Apache-2.0
+#
+# Copyright 2021 The Cobalt Authors. All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import("//third_party/starboard/rdk/shared/platform_configuration/configuration.gni")
+
+arm_version = 8
+sabi_path = "//starboard/sabi/arm64/sabi-v$sb_api_version.json"
+
diff --git a/src/third_party/starboard/rdk/arm64/thread_types_public.h b/src/third_party/starboard/rdk/arm64/thread_types_public.h
new file mode 100644
index 0000000..99ae9e7
--- /dev/null
+++ b/src/third_party/starboard/rdk/arm64/thread_types_public.h
@@ -0,0 +1,39 @@
+//
+// Copyright 2020 Comcast Cable Communications Management, LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+// SPDX-License-Identifier: Apache-2.0
+//
+// Copyright 2016 The Cobalt Authors. All Rights Reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// Includes threading primitive types and initializers.
+
+#ifndef THIRD_PARTY_STARBOARD_RDK_ARM_THREAD_TYPES_PUBLIC_H_
+#define THIRD_PARTY_STARBOARD_RDK_ARM_THREAD_TYPES_PUBLIC_H_
+
+#include "starboard/shared/pthread/types_public.h"
+
+#endif  // THIRD_PARTY_STARBOARD_RDK_ARM_THREAD_TYPES_PUBLIC_H_
diff --git a/src/third_party/starboard/rdk/arm64/toolchain/BUILD.gn b/src/third_party/starboard/rdk/arm64/toolchain/BUILD.gn
new file mode 100644
index 0000000..da593cb
--- /dev/null
+++ b/src/third_party/starboard/rdk/arm64/toolchain/BUILD.gn
@@ -0,0 +1,44 @@
+# Copyright 2022 Comcast Cable Communications Management, LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+# SPDX-License-Identifier: Apache-2.0
+#
+# Copyright 2021 The Cobalt Authors. All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import("//third_party/starboard/rdk/shared/build/rdk_toolchain.gni")
+
+rdk_gcc_toolchain("host") {
+  envprefix = "BUILD_"
+  extra_ldflags = ""
+  toolchain_args = {
+    current_os = "linux"
+    current_cpu = "x64"
+  }
+}
+
+rdk_gcc_toolchain("target") {
+  envprefix = ""
+}
diff --git a/src/third_party/starboard/rdk/shared/player/player_internal.cc b/src/third_party/starboard/rdk/shared/player/player_internal.cc
index 3fe2993..30668ee 100644
--- a/src/third_party/starboard/rdk/shared/player/player_internal.cc
+++ b/src/third_party/starboard/rdk/shared/player/player_internal.cc
@@ -1960,7 +1960,7 @@
 
   GST_CAT_LEVEL_LOG (
     GST_CAT_DEFAULT, log_level, src,
-    "SampleType:%d %" GST_TIME_FORMAT " id:%llu b:%p",
+    "SampleType:%d %" GST_TIME_FORMAT " id:%" PRIu64 " b:%p",
     sample_type, GST_TIME_ARGS(GST_BUFFER_TIMESTAMP(buffer)), serial_id, buffer);
 
   gst_app_src_push_buffer(GST_APP_SRC(src), buffer);
@@ -2158,7 +2158,7 @@
 
   if (keep_samples) {
     GST_INFO("Pending flushing operation. Storing sample");
-    GST_INFO("SampleType:%d %" GST_TIME_FORMAT " id:%llu b:%" GST_PTR_FORMAT,
+    GST_INFO("SampleType:%d %" GST_TIME_FORMAT " id:%" PRIu64 " b:%" GST_PTR_FORMAT,
              sample_type, GST_TIME_ARGS(GST_BUFFER_TIMESTAMP(buffer)), serial, buffer);
     PendingSample sample(sample_type, buffer, serial);
     buffer= nullptr;
@@ -2196,7 +2196,7 @@
     SB_CHECK(sample.Type() == sample_type);
 
     if (serial != sample.SerialID()) {
-      GST_WARNING("Detected out-of-order sample. Expected serial: %llu, sample serial: %llu",
+      GST_WARNING("Detected out-of-order sample. Expected serial: %" PRIu64 ", sample serial: %" PRIu64 "",
                   serial, sample.SerialID());
     }
 
@@ -2623,7 +2623,7 @@
       }
 
       GstBuffer* buffer = keep_samples ? sample.CopyBuffer() : sample.TakeBuffer();
-      GST_INFO("Writing pending: SampleType:%d id:%llu b:%" GST_PTR_FORMAT, sample.Type(), sample.SerialID(), buffer);
+      GST_INFO("Writing pending: SampleType:%d id:%" PRIu64 " b:%" GST_PTR_FORMAT, sample.Type(), sample.SerialID(), buffer);
       prev_ts = GST_BUFFER_TIMESTAMP(buffer);
       if (WriteSample(sample.Type(), buffer, sample.SerialID())) {
         GST_INFO("Pending sample was written.");