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git://sourceware.org/git/glibc.git
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426d0e1aa8
Add awareness and a thin wrapper function around a new Linux system call that allows callers to get architecture and microarchitecture information about the CPUs from the kernel. This can be used to do things like dynamically choose a memcpy implementation. Signed-off-by: Evan Green <evan@rivosinc.com> Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
27 lines
720 B
Makefile
27 lines
720 B
Makefile
ifeq ($(subdir),misc)
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sysdep_headers += \
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sys/cachectl.h \
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sys/hwprobe.h \
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# sysdep_headers
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sysdep_routines += \
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flush-icache \
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hwprobe \
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# sysdep_routines
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endif
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ifeq ($(subdir),stdlib)
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gen-as-const-headers += ucontext_i.sym
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endif
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abi-variants := ilp32 ilp32d lp64 lp64d
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ifeq (,$(filter $(default-abi),$(abi-variants)))
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$(error Unknown ABI $(default-abi), must be one of $(abi-variants))
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endif
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abi-ilp32-condition := __WORDSIZE == 32 && defined __riscv_float_abi_soft
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abi-ilp32d-condition := __WORDSIZE == 32 && defined __riscv_float_abi_double
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abi-lp64-condition := __WORDSIZE == 64 && defined __riscv_float_abi_soft
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abi-lp64d-condition := __WORDSIZE == 64 && defined __riscv_float_abi_double
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