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snapdragon: update windows toolchain to use hsdk v6.6.0.0 (#23552)

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Aparna M P 2026-05-24 08:26:41 +05:30 • committed by GitHub
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4 changed files with 13 additions and 13 deletions
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4
docs/backend/snapdragon/CMakeUserPresets.json
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@ -33,8 +33,8 @@
"name": "arm64-windows-snapdragon",
"inherits": [ "base", "arm64-windows-llvm" ],
"cacheVariables": {
"CMAKE_C_FLAGS": "-march=armv8.7a+fp16 -fvectorize -ffp-model=fast -flto -D_GNU_SOURCE",
"CMAKE_CXX_FLAGS": "-march=armv8.7a+fp16 -fvectorize -ffp-model=fast -flto -D_GNU_SOURCE",
"CMAKE_C_FLAGS": "-march=armv8.7a+fp16+dotprod+i8mm -fvectorize -ffp-model=fast -flto -D_GNU_SOURCE",
"CMAKE_CXX_FLAGS": "-march=armv8.7a+fp16+dotprod+i8mm -fvectorize -ffp-model=fast -flto -D_GNU_SOURCE",
"CMAKE_C_FLAGS_RELEASE": "-O3 -DNDEBUG",
"CMAKE_CXX_FLAGS_RELEASE": "-O3 -DNDEBUG",
"CMAKE_C_FLAGS_RELWITHDEBINFO": "-O3 -DNDEBUG -g",

4
docs/backend/snapdragon/README.md
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@ -24,7 +24,7 @@ Native Windows 11 arm64 builds has the following tools dependencies:
- UCRT and Driver Kit
- LLVM core libraries and Clang compiler (winget)
- CMake, Git, Python (winget)
- Hexagon SDK Community Edition 6.4 or later (see windows.md)
- Hexagon SDK Community Edition 6.6 or later (see windows.md)
- OpenCL SDK 2.3 or later (see windows.md)
Note: The rest of the **Windows** build process assumes that you're running natively in Powershell.
@ -45,7 +45,7 @@ Preset CMake variables:
GGML_HEXAGON="ON"
GGML_OPENCL="ON"
GGML_OPENMP="OFF"
HEXAGON_SDK_ROOT="/opt/hexagon/6.4.0.2"
HEXAGON_SDK_ROOT="/opt/hexagon/6.6.0.0"
...
-- Including OpenCL backend
-- Including Hexagon backend

12
docs/backend/snapdragon/windows.md
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@ -28,15 +28,15 @@ c:\Qualcomm\OpenCL_SDK\2.3.2
Either use the trimmed down version (optimized for CI) from
https://github.com/snapdragon-toolchain/hexagon-sdk/releases/download/v6.4.0.2/hexagon-sdk-v6.4.0.2-arm64-wos.tar.xz
https://github.com/snapdragon-toolchain/hexagon-sdk/releases/download/v6.6.0.0/hexagon-sdk-v6.6.0.0-arm64-wos.tar.xz
Or download the complete official version from
https://softwarecenter.qualcomm.com/catalog/item/Hexagon_SDK?version=6.4.0.2
https://softwarecenter.qualcomm.com/catalog/item/Hexagon_SDK?version=6.6.0.0
Unzip/untar the archive into
```
c:\Qualcomm\Hexagon_SDK\6.4.0.2
c:\Qualcomm\Hexagon_SDK\6.6.0.0
```
## Install the latest Adreno GPU driver
@ -123,10 +123,10 @@ The overall Hexagon backend build procedure for Windows on Snapdragon is the sam
However, additional settings are required for generating and signing HTP Ops libraries.
```
> $env:OPENCL_SDK_ROOT="C:\Qualcomm\OpenCL_SDK\2.3.2"
> $env:HEXAGON_SDK_ROOT="C:\Qualcomm\Hexagon_SDK\6.4.0.2"
> $env:HEXAGON_TOOLS_ROOT="C:\Qualcomm\Hexagon_SDK\6.4.0.2\tools\HEXAGON_Tools\19.0.04"
> $env:HEXAGON_SDK_ROOT="C:\Qualcomm\Hexagon_SDK\6.6.0.0"
> $env:HEXAGON_TOOLS_ROOT="C:\Qualcomm\Hexagon_SDK\6.6.0.0\tools\HEXAGON_Tools\19.0.07"
> $env:HEXAGON_HTP_CERT="c:\Users\MyUsers\Certs\ggml-htp-v1.pfx"
> $env:WINDOWS_SDK_BIN="C:\Program Files (x86)\Windows Kits\10\bin\10.0.26100.0\arm64"
> $env:WINDOWS_SDK_BIN="C:\Program Files (x86)\Windows Kits\10\bin\10.0.26100.0"
> cmake --preset arm64-windows-snapdragon-release -B build-wos
...

6
scripts/snapdragon/windows/setup-build.ps1
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@ -7,10 +7,10 @@ $ErrorActionPreference = "Stop"
$BaseDir = "C:\Qualcomm"
# SDK 1: Hexagon
$HexagonUrl = "https://github.com/snapdragon-toolchain/hexagon-sdk/releases/download/v6.4.0.2/hexagon-sdk-v6.4.0.2-arm64-wos.tar.xz"
$HexagonUrl = "https://github.com/snapdragon-toolchain/hexagon-sdk/releases/download/v6.6.0.0/hexagon-sdk-v6.6.0.0-arm64-wos.tar.xz"
$HexagonParent = Join-Path $BaseDir "Hexagon_SDK"
$HexagonSdkVersion = "6.4.0.2"
$HexagonToolsVersion = "19.0.04"
$HexagonSdkVersion = "6.6.0.0"
$HexagonToolsVersion = "19.0.07"
$HexagonSdkTarget = Join-Path $HexagonParent $HexagonSdkVersion
$HexagonToolsTarget = Join-Path $HexagonSdkTarget "\tools\HEXAGON_Tools\$HexagonToolsVersion"