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Diffstat (limited to 'ports/risc-v64/gnu/example_build/erbium/erbium_gnu.cmake')
| -rw-r--r-- | ports/risc-v64/gnu/example_build/erbium/erbium_gnu.cmake | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/ports/risc-v64/gnu/example_build/erbium/erbium_gnu.cmake b/ports/risc-v64/gnu/example_build/erbium/erbium_gnu.cmake new file mode 100644 index 00000000..0d55dd89 --- /dev/null +++ b/ports/risc-v64/gnu/example_build/erbium/erbium_gnu.cmake @@ -0,0 +1,39 @@ +# /*************************************************************************** +# * Copyright (c) 2026 Eclipse ThreadX contributors +# * +# * This program and the accompanying materials are made available under the +# * terms of the MIT License which is available at +# * https://opensource.org/licenses/MIT. +# * +# * AI Disclosure: This file was largely AI-generated by Claude Code (Opus 5.5). +# * The AI-generated portions may be considered public domain (CC0-1.0) +# * and not subject to the project's licence. The human contributor has +# * reviewed and verified that the code is correct. +# * +# * SPDX-License-Identifier: MIT and CC0-1.0 +# ***************************************************************************/ + +# CMake toolchain file for the Erbium example. +# +# Erbium implements only part of the F extension, so the example and the +# ThreadX library are built for the integer ISA with the soft-float lp64 ABI. +# +# Target ISA : rv64imc_zicsr_zifencei +# ABI : lp64 (64-bit long/ptr, soft-float) +# Code model : medany (MRAM at 0x40000000, peripherals above 2 GiB) +# +# The riscv64-unknown-elf toolchain installed by scripts/install_riscv.sh is +# built for lp64d only, so the example links without libc and libgcc +# (-nostdlib); a missing helper is a link error rather than an ABI mix. + +set(CMAKE_SYSTEM_NAME Generic) +set(CMAKE_SYSTEM_PROCESSOR risc-v64) + +set(THREADX_ARCH "risc-v64") +set(THREADX_TOOLCHAIN "gnu") +set(ARCH_FLAGS "-g -march=rv64imc_zicsr_zifencei -mabi=lp64 -mcmodel=medany") +set(CFLAGS "${ARCH_FLAGS}") +set(ASFLAGS "${ARCH_FLAGS}") +set(LDFLAGS "${ARCH_FLAGS}") + +include(${CMAKE_CURRENT_LIST_DIR}/../../../../../cmake/riscv64-unknown-elf.cmake) |