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sw: Allow cluster level overwrites of CMake definitions #53

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sw: Allow cluster level overwrites of CMake definitions #53

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32 changes: 30 additions & 2 deletions sw/snRuntime/CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -30,12 +30,30 @@ if(SPATZ_CLUSTER_CFG MATCHES "^(spatz_cluster\.(default|mempool|smallvrf)\.dram)
elseif("${SPATZ_CLUSTER_CFG}" MATCHES "^spatz_cluster.carfield\\.(l2|dram)\\.hjson$")
set(_plat_folder "cheshire")
else()
message(FATAL_ERROR
"Unknown configuration SPATZ_CLUSTER_CFG: ${SPATZ_CLUSTER_CFG} for platform assignment")
if(NOT DEFINED SPATZ_CLUSTER_PLATFORM)
message(WARNING
"Unknown configuration SPATZ_CLUSTER_CFG: ${SPATZ_CLUSTER_CFG} for platform assignment")
else()
message(STATUS
"Overwriting platform with SPATZ_CLUSTER_PLATFORM: ${SPATZ_CLUSTER_PLATFORM}")
set(_plat_folder "${SPATZ_CLUSTER_PLATFORM}")
endif()
endif()

# 3. Check for platform folder assignment and throw a FATAL_ERROR if missing
if(NOT _plat_folder)
# Check if a platform was set (either by the match above or externally)
# If no platform was set AND the platform folder is missing, throw FATAL_ERROR
message(FATAL_ERROR
"Could not determine platform folder. "
"Configuration 'SPATZ_CLUSTER_CFG' was unmatched AND "
"required variable 'SPATZ_CLUSTER_PLATFORM' is not set.")

endif()

set(PLATFORM_SOURCE_FOLDER "src/platforms/${_plat_folder}" CACHE STRING "Path to the platform-specific sources")


# Default memory regions
set(MEM_SPATZ_CLUSTER_DEFAULT_DRAM_HJSON_ORIGIN 0x80000000)
set(MEM_SPATZ_CLUSTER_DEFAULT_DRAM_HJSON_SIZE 0x80000000)
Expand All @@ -56,6 +74,16 @@ string(TOUPPER "${_key}" _key)
set(_orig_var "MEM_${_key}_ORIGIN")
set(_size_var "MEM_${_key}_SIZE")

if(NOT DEFINED ${_orig_var} AND DEFINED SPATZ_CLUSTER_MEMORY_ORIGIN)
message(STATUS "Overriding memory origin with SPATZ_CLUSTER_MEMORY_ORIGIN: ${SPATZ_CLUSTER_MEMORY_ORIGIN}")
set(_orig_var "SPATZ_CLUSTER_MEMORY_ORIGIN")
endif()

if(NOT DEFINED ${_size_var} AND DEFINED SPATZ_CLUSTER_MEMORY_SIZE)
message(STATUS "Overriding memory size with SPATZ_CLUSTER_MEMORY_SIZE: ${SPATZ_CLUSTER_MEMORY_SIZE}")
set(_size_var "SPATZ_CLUSTER_MEMORY_SIZE")
endif()

if(DEFINED ${_orig_var} AND DEFINED ${_size_var})
# perform the lookup
set(MEM_DRAM_ORIGIN "${${_orig_var}}" CACHE STRING "Base address of external memory")
Expand Down