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[/] [neorv32/] [trunk/] [rtl/] [core/] [neorv32_cpu.vhd] - Diff between revs 53 and 55

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Rev 53 Rev 55
Line 183... Line 183... 
  assert not (CPU_EXTENSION_RISCV_A = true) report "NEORV32 CPU CONFIG WARNING! Atomic operations extension (A) only supports <lr.w> and <sc.w> instructions." severity warning;
 
  assert not (CPU_EXTENSION_RISCV_A = true) report "NEORV32 CPU CONFIG WARNING! Atomic operations extension (A) only supports <lr.w> and <sc.w> instructions." severity warning;
 
 
 
 
 
  -- FIXME: Bit manipulation warning --
 
  -- FIXME: Bit manipulation warning --
 
  assert not (CPU_EXTENSION_RISCV_B = true) report "NEORV32 CPU CONFIG WARNING! Bit manipulation extension (B) is still HIGHLY EXPERIMENTAL (and spec. is not ratified yet)." severity warning;
 
  assert not (CPU_EXTENSION_RISCV_B = true) report "NEORV32 CPU CONFIG WARNING! Bit manipulation extension (B) is still HIGHLY EXPERIMENTAL (and spec. is not ratified yet)." severity warning;
 
 
 
 
 
  -- FIXME: Floating-point extension (Zfinx) warning --
 
  -- Co-processor timeout counter (for debugging only) --
 
  assert not (CPU_EXTENSION_RISCV_Zfinx = true) report "NEORV32 CPU CONFIG WARNING! 32-bit floating-point extension (F/Zfinx) is WORK-IN-PROGRESS and NOT OPERATIONAL yet." severity warning;
 
  assert not (cp_timeout_en_c = true) report "NEORV32 CPU CONFIG WARNING! Co-processor timeout counter enabled. This should be used for debugging/simulation only." severity warning;
 
 
 
 
 
  -- PMP regions check --
 
  -- PMP regions check --
 
  assert not (PMP_NUM_REGIONS > 64) report "NEORV32 CPU CONFIG ERROR! Number of PMP regions <PMP_NUM_REGIONS> out xf valid range (0..64)." severity error;
 
  assert not (PMP_NUM_REGIONS > 64) report "NEORV32 CPU CONFIG ERROR! Number of PMP regions <PMP_NUM_REGIONS> out xf valid range (0..64)." severity error;
 
  -- PMP granulartiy --
 
  -- PMP granulartiy --
 
  assert not ((is_power_of_two_f(PMP_MIN_GRANULARITY) = false) and (PMP_NUM_REGIONS > 0)) report "NEORV32 CPU CONFIG ERROR! PMP granulartiy has to be a power of two." severity error;
 
  assert not ((is_power_of_two_f(PMP_MIN_GRANULARITY) = false) and (PMP_NUM_REGIONS > 0)) report "NEORV32 CPU CONFIG ERROR! PMP granulartiy has to be a power of two." severity error;

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