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Line 192... |
-- hardware reset notifier --
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-- hardware reset notifier --
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assert not (dedicated_reset_c = false) report "NEORV32 CPU CONFIG NOTE: Implementing NO dedicated hardware reset for uncritical registers (default)." severity note;
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assert not (dedicated_reset_c = false) report "NEORV32 CPU CONFIG NOTE: Implementing NO dedicated hardware reset for uncritical registers (default)." severity note;
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assert not (dedicated_reset_c = true) report "NEORV32 CPU CONFIG NOTE: Implementing defined hardware reset for uncritical registers (non-default, reset-to-zero, might increase area)." severity note;
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assert not (dedicated_reset_c = true) report "NEORV32 CPU CONFIG NOTE: Implementing defined hardware reset for uncritical registers (non-default, reset-to-zero, might increase area)." severity note;
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assert not ((def_rst_val_c /= '-') and (def_rst_val_c /= '0')) report "NEORV32 CPU CONFIG ERROR! Invalid configuration of package <def_rst_val_c> constant (has to be '-' or '0')." severity error;
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assert not ((def_rst_val_c /= '-') and (def_rst_val_c /= '0')) report "NEORV32 CPU CONFIG ERROR! Invalid configuration of package <def_rst_val_c> constant (has to be '-' or '0')." severity error;
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-- CPU boot address alignment --
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assert not (CPU_BOOT_ADDR(1 downto 0) /= "00") report "NEORV32 CPU CONFIG ERROR! <CPU_BOOT_ADDR> has to be 32-bit aligned." severity error;
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-- CSR system --
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-- CSR system --
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assert not (CPU_EXTENSION_RISCV_Zicsr = false) report "NEORV32 CPU CONFIG WARNING! No exception/interrupt/trap/privileged features available when <CPU_EXTENSION_RISCV_Zicsr> = false." severity warning;
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assert not (CPU_EXTENSION_RISCV_Zicsr = false) report "NEORV32 CPU CONFIG WARNING! No exception/interrupt/trap/privileged features available when <CPU_EXTENSION_RISCV_Zicsr> = false." severity warning;
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-- CPU counters (cycle and instret) --
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-- CPU counters (cycle and instret) --
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assert not ((CPU_EXTENSION_RISCV_Zicntr = true) and ((CPU_CNT_WIDTH < 0) or (CPU_CNT_WIDTH > 64))) report "NEORV32 CPU CONFIG ERROR! Invalid <CPU_CNT_WIDTH> configuration. Has to be 0..64." severity error;
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assert not ((CPU_EXTENSION_RISCV_Zicntr = true) and ((CPU_CNT_WIDTH < 0) or (CPU_CNT_WIDTH > 64))) report "NEORV32 CPU CONFIG ERROR! Invalid <CPU_CNT_WIDTH> configuration. Has to be 0..64." severity error;
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Line 208... |
assert not ((CPU_EXTENSION_RISCV_Zicsr = false) and (CPU_EXTENSION_RISCV_U = true)) report "NEORV32 CPU CONFIG ERROR! User mode requires <CPU_EXTENSION_RISCV_Zicsr> extension to be enabled." severity error;
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assert not ((CPU_EXTENSION_RISCV_Zicsr = false) and (CPU_EXTENSION_RISCV_U = true)) report "NEORV32 CPU CONFIG ERROR! User mode requires <CPU_EXTENSION_RISCV_Zicsr> extension to be enabled." severity error;
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-- Instruction prefetch buffer size --
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-- Instruction prefetch buffer size --
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assert not (is_power_of_two_f(CPU_IPB_ENTRIES) = false) report "NEORV32 CPU CONFIG ERROR! Number of entries in instruction prefetch buffer <CPU_IPB_ENTRIES> has to be a power of two." severity error;
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assert not (is_power_of_two_f(CPU_IPB_ENTRIES) = false) report "NEORV32 CPU CONFIG ERROR! Number of entries in instruction prefetch buffer <CPU_IPB_ENTRIES> has to be a power of two." severity error;
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-- Co-processor timeout counter (for debugging only) --
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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;
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-- PMP regions check --
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-- PMP regions check --
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assert not (PMP_NUM_REGIONS > 64) report "NEORV32 CPU CONFIG ERROR! Number of PMP regions <PMP_NUM_REGIONS> out of valid range (0..64)." severity error;
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assert not (PMP_NUM_REGIONS > 64) report "NEORV32 CPU CONFIG ERROR! Number of PMP regions <PMP_NUM_REGIONS> out of valid range (0..64)." severity error;
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-- PMP granularity --
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-- PMP granularity --
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assert not ((is_power_of_two_f(PMP_MIN_GRANULARITY) = false) and (PMP_NUM_REGIONS > 0)) report "NEORV32 CPU CONFIG ERROR! <PMP_MIN_GRANULARITY> has to be a power of two." severity error;
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assert not ((is_power_of_two_f(PMP_MIN_GRANULARITY) = false) and (PMP_NUM_REGIONS > 0)) report "NEORV32 CPU CONFIG ERROR! <PMP_MIN_GRANULARITY> has to be a power of two." severity error;
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assert not ((PMP_MIN_GRANULARITY < 8) and (PMP_NUM_REGIONS > 0)) report "NEORV32 CPU CONFIG ERROR! <PMP_MIN_GRANULARITY> has to be >= 8 bytes." severity error;
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assert not ((PMP_MIN_GRANULARITY < 8) and (PMP_NUM_REGIONS > 0)) report "NEORV32 CPU CONFIG ERROR! <PMP_MIN_GRANULARITY> has to be >= 8 bytes." severity error;
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