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-- #################################################################################################
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-- #################################################################################################
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-- # << NEORV32 - Minimal setup without a bootloader >> #
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-- # << NEORV32 - Minimal setup without a bootloader >> #
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-- # ********************************************************************************************* #
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-- # ********************************************************************************************* #
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-- # BSD 3-Clause License #
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-- # BSD 3-Clause License #
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-- # #
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-- # #
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-- # Copyright (c) 2021, Stephan Nolting. All rights reserved. #
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-- # Copyright (c) 2022, Stephan Nolting. All rights reserved. #
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-- # #
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-- # #
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-- # Redistribution and use in source and binary forms, with or without modification, are #
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-- # Redistribution and use in source and binary forms, with or without modification, are #
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-- # permitted provided that the following conditions are met: #
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-- # permitted provided that the following conditions are met: #
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-- # #
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-- # #
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-- # 1. Redistributions of source code must retain the above copyright notice, this list of #
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-- # 1. Redistributions of source code must retain the above copyright notice, this list of #
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FAST_MUL_EN : boolean := false; -- use DSPs for M extension's multiplier
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FAST_MUL_EN : boolean := false; -- use DSPs for M extension's multiplier
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FAST_SHIFT_EN : boolean := false; -- use barrel shifter for shift operations
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FAST_SHIFT_EN : boolean := false; -- use barrel shifter for shift operations
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CPU_CNT_WIDTH : natural := 34; -- total width of CPU cycle and instret counters (0..64)
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CPU_CNT_WIDTH : natural := 34; -- total width of CPU cycle and instret counters (0..64)
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-- Physical Memory Protection (PMP) --
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-- Physical Memory Protection (PMP) --
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PMP_NUM_REGIONS : natural := 0; -- number of regions (0..64)
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PMP_NUM_REGIONS : natural := 0; -- number of regions (0..16)
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PMP_MIN_GRANULARITY : natural := 8*1024; -- minimal region granularity in bytes, has to be a power of 2, min 8 bytes
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PMP_MIN_GRANULARITY : natural := 4; -- minimal region granularity in bytes, has to be a power of 2, min 4 bytes
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-- Hardware Performance Monitors (HPM) --
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-- Hardware Performance Monitors (HPM) --
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HPM_NUM_CNTS : natural := 0; -- number of implemented HPM counters (0..29)
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HPM_NUM_CNTS : natural := 0; -- number of implemented HPM counters (0..29)
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HPM_CNT_WIDTH : natural := 40; -- total size of HPM counters (0..64)
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HPM_CNT_WIDTH : natural := 40; -- total size of HPM counters (0..64)
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FAST_MUL_EN => FAST_MUL_EN, -- use DSPs for M extension's multiplier
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FAST_MUL_EN => FAST_MUL_EN, -- use DSPs for M extension's multiplier
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FAST_SHIFT_EN => FAST_SHIFT_EN, -- use barrel shifter for shift operations
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FAST_SHIFT_EN => FAST_SHIFT_EN, -- use barrel shifter for shift operations
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CPU_CNT_WIDTH => CPU_CNT_WIDTH, -- total width of CPU cycle and instret counters (0..64)
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CPU_CNT_WIDTH => CPU_CNT_WIDTH, -- total width of CPU cycle and instret counters (0..64)
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-- Physical Memory Protection (PMP) --
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-- Physical Memory Protection (PMP) --
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PMP_NUM_REGIONS => PMP_NUM_REGIONS, -- number of regions (0..64)
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PMP_NUM_REGIONS => PMP_NUM_REGIONS, -- number of regions (0..16)
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PMP_MIN_GRANULARITY => PMP_MIN_GRANULARITY, -- minimal region granularity in bytes, has to be a power of 2, min 8 bytes
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PMP_MIN_GRANULARITY => PMP_MIN_GRANULARITY, -- minimal region granularity in bytes, has to be a power of 2, min 8 bytes
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-- Hardware Performance Monitors (HPM) --
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-- Hardware Performance Monitors (HPM) --
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HPM_NUM_CNTS => HPM_NUM_CNTS, -- number of implemented HPM counters (0..29)
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HPM_NUM_CNTS => HPM_NUM_CNTS, -- number of implemented HPM counters (0..29)
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HPM_CNT_WIDTH => HPM_CNT_WIDTH, -- total size of HPM counters (1..64)
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HPM_CNT_WIDTH => HPM_CNT_WIDTH, -- total size of HPM counters (1..64)
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