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Updated ISA support to RV32IMZcsr - Passes riscv-compliance. Integer divide/rem in 34 cycles. Integer multiply in 2 cycles (when using xilinx dsp blocks!) Saved multiple cycles from fetch/memory load stages by short-cutting the start of memory requests. Compliant misaligned exceptions for jumps,loads and stores. Addrs starting 0xFxxxxxxx ignore alignment requests (assumes mmio space). Added CSRs for riscv-compliance requirements. Source ran through a formatter for ease of use. |
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rpu_core_tb.vhd | ||
tb_alu_int32_div.vhd | ||
tb_unit_alu_RV32I_01.vhd | ||
tb_unit_decoder_RV32_01.vhd |