Charlie Jenkins 23c996fc2b riscv: Extend cpufeature.c to detect vendor extensions ... Instead of grouping all vendor extensions into the same riscv_isa_ext that standard instructions use, create a struct "riscv_isa_vendor_ext_data_list" that allows each vendor to maintain their vendor extensions independently of the standard extensions. xandespmu is currently the only vendor extension so that is the only extension that is affected by this change. An additional benefit of this is that the extensions of each vendor can be conditionally enabled. A config RISCV_ISA_VENDOR_EXT_ANDES has been added to allow for that. Signed-off-by: Charlie Jenkins <charlie@rivosinc.com> Reviewed-by: Conor Dooley <conor.dooley@microchip.com> Reviewed-by: Andy Chiu <andy.chiu@sifive.com> Tested-by: Yu Chien Peter Lin <peterlin@andestech.com> Reviewed-by: Yu Chien Peter Lin <peterlin@andestech.com> Link: https://lore.kernel.org/r/20240719-support_vendor_extensions-v3-1-0af7587bbec0@rivosinc.com Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>		2024-07-22 15:36:54 -07:00
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errata.c	riscv: Extend cpufeature.c to detect vendor extensions	2024-07-22 15:36:54 -07:00
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