85 lines
2.8 KiB
TOML
85 lines
2.8 KiB
TOML
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[build]
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# Set the default target to match the Cortex-M33 in the RP2350
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target = "thumbv8m.main-none-eabihf"
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# This is the hard-float ABI for Arm mode.
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#
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# The FPU is enabled by default, and float function arguments use FPU
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# registers.
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[target.thumbv8m.main-none-eabihf]
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# Pass some extra options to rustc, some of which get passed on to the linker.
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#
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# * linker argument --nmagic turns off page alignment of sections (which saves
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# flash space)
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# * linker argument -Tlink.x tells the linker to use link.x as a linker script.
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# This is usually provided by the cortex-m-rt crate, and by default the
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# version in that crate will include a file called `memory.x` which describes
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# the particular memory layout for your specific chip.
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# * linker argument -Tdefmt.x also tells the linker to use `defmt.x` as a
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# secondary linker script. This is required to make defmt_rtt work.
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rustflags = [
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"-C",
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"link-arg=--nmagic",
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"-C",
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"link-arg=-Tlink.x",
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"-C",
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"link-arg=-Tdefmt.x",
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"-C",
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"target-cpu=cortex-m33",
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]
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# Use picotool for loading.
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#
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# Load an elf, skipping unchanged flash sectors, verify it, and execute it
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runner = "picotool load -u -v -x -t elf"
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# This is the soft-float ABI for Arm mode.
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#
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# The FPU is disabled by default, and float function arguments use integer
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# registers. Only useful for making the `float_test` example give really bad
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# results on the `f32` benchmark.
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[target.thumbv8m.main-none-eabi]
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# Pass some extra options to rustc. See above for descriptions.
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rustflags = [
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"-C",
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"link-arg=--nmagic",
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"-C",
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"link-arg=-Tlink.x",
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"-C",
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"link-arg=-Tdefmt.x",
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]
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# Use picotool for loading.
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#
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# Load an elf, skipping unchanged flash sectors, verify it, and execute it
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runner = "picotool load -u -v -x -t elf"
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# This is the soft-float ABI for RISC-V mode.
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#
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# Hazard 3 does not have an FPU and so float function arguments use integer
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# registers.
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[target.riscv32imac-unknown-none-elf]
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# Pass some extra options to rustc, some of which get passed on to the linker.
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#
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# * linker argument --nmagic turns off page alignment of sections (which saves
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# flash space)
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# * linker argument -Trp235x_riscv.x also tells the linker to use
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# `rp235x_riscv.x` as a linker script. This adds in RP2350 RISC-V specific
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# things that the riscv-rt crate's `link.x` requires and then includes
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# `link.x` automatically. This is the reverse of how we do it on Cortex-M.
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# * linker argument -Tdefmt.x also tells the linker to use `defmt.x` as a
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# secondary linker script. This is required to make defmt_rtt work.
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rustflags = [
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"-C",
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"link-arg=--nmagic",
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"-C",
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"link-arg=-Trp235x_riscv.x",
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"-C",
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"link-arg=-Tdefmt.x",
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]
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# Use picotool for loading.
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#
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# Load an elf, skipping unchanged flash sectors, verify it, and execute it
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runner = "picotool load -u -v -x -t elf"
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