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Luke Wren 979e80be99 Attempt to fix fetch mismatch caused by jumping halfway into a 32-bit 
instruction that precedes a taken branch.

The bookkeeping in the frontend has been tightened up so that the entire
branch instruction, and nothing but the branch instruction, is marked as a
taken branch. This required some extra state, e.g. remembering the size of
the taken branch instruction, but saved an incrementer on the BTB source
address value.
 		2022-06-24 19:58:21 +01:00
..
arith Update copyright years 2022-06-09 00:12:01 +01:00
debug Update copyright years 2022-06-09 00:12:01 +01:00
hazard3.f Integrate PMP, and fix a couple of PMP bugs 2022-05-24 19:57:45 +01:00
hazard3_config.vh First pass at adding branch prediction 2022-06-15 02:05:46 +01:00
hazard3_config_inst.vh First pass at adding branch prediction 2022-06-15 02:05:46 +01:00
hazard3_core.v Attempt to fix fetch mismatch caused by jumping halfway into a 32-bit 2022-06-24 19:58:21 +01:00
hazard3_cpu_1port.v Update copyright years 2022-06-09 00:12:01 +01:00
hazard3_cpu_2port.v Update copyright years 2022-06-09 00:12:01 +01:00
hazard3_csr.v Update copyright years 2022-06-09 00:12:01 +01:00
hazard3_csr_addr.vh First pass at U-mode CSR support. Bizarrely causes CXXRTL tb to not write to stdout when invoked by subprocess.run from Python. 2022-05-24 16:17:54 +01:00
hazard3_decode.v Attempt to fix fetch mismatch caused by jumping halfway into a 32-bit 2022-06-24 19:58:21 +01:00
hazard3_frontend.v Attempt to fix fetch mismatch caused by jumping halfway into a 32-bit 2022-06-24 19:58:21 +01:00
hazard3_instr_decompress.v Update copyright years 2022-06-09 00:12:01 +01:00
hazard3_ops.vh ecall from U-mode has a different mcause value than ecall from M-mode 2022-05-28 12:07:29 +01:00
hazard3_pmp.v PMP config: separate granularity config from hardwired region config. Give correct read value for G > 1. 2022-06-03 17:09:43 +01:00
hazard3_regfile_1w2r.v Update copyright years 2022-06-09 00:12:01 +01:00
hazard3_width_const.vh Update copyright years 2022-06-09 00:12:01 +01:00
rv_opcodes.vh Correct the name and operation of the brev8 (formerly rev.b) instruction 2022-05-20 15:28:18 +01:00