nix: Add a FHS shell with the toolchain to build linux for mocha#596
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nix: Add a FHS shell with the toolchain to build linux for mocha#596engdoreis wants to merge 1 commit into
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Signed-off-by: Douglas Reis <doreis@lowrisc.org>
| CACHE FILEPATH "linker") | ||
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| set(CHERI_COMMON_FLAGS | ||
| "-target riscv64-linux-musl -B@llvmCheri@/bin -march=rv64imafdczcherihybrid_zcherilevels -mabi=l64pc128d -mno-relax -Xclang -target-feature -Xclang +cheri-bounded-vararg -Xclang -target-feature -Xclang +cheri-bounded-memarg-caller -Xclang -target-feature -Xclang +cheri-bounded-memarg-callee -isystem @linuxHeadersPurecap@/usr/include -ggdb -gz -Wno-error=unused-command-line-argument -ffreestanding -Werror=implicit-function-declaration -Werror=format -Werror=incompatible-pointer-types -Werror=cheri-capability-misuse -Werror=cheri-bitwise-operations -Werror=pass-failed -Werror=cheri-prototypes -Werror=undefined-internal" |
| CACHE FILEPATH "linker") | ||
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| set(CHERI_COMMON_FLAGS | ||
| "-target riscv64-linux-musl -B@llvmCheri@/bin -march=rv64imafdczcherihybrid_zcherilevels -mabi=l64pc128d -mno-relax -Xclang -target-feature -Xclang +cheri-bounded-vararg -Xclang -target-feature -Xclang +cheri-bounded-memarg-caller -Xclang -target-feature -Xclang +cheri-bounded-memarg-callee -isystem @linuxHeadersPurecap@/usr/include -ggdb -gz -Wno-error=unused-command-line-argument -ffreestanding -Werror=implicit-function-declaration -Werror=format -Werror=incompatible-pointer-types -Werror=cheri-capability-misuse -Werror=cheri-bitwise-operations -Werror=pass-failed -Werror=cheri-prototypes -Werror=undefined-internal" |
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march should not have fd and mabi should be l64pc128 - Mocha doesn't currently have floating-point enabled.
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This PR creates a nix stdenv with the the cheri toolchain for building cheri busybox and cheriLinux.
It also adds an additional FHS shell that must be used on nixOs to build busybox.
To activate the FHS:
nix develop .#linuxFIX: #581