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[/] [neorv32/] [trunk/] [rtl/] [system_integration/] [neorv32_SystemTop_axi4lite.vhd] - Diff between revs 72 and 73

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Rev 72 Rev 73
Line 70... Line 70...
    -- Extension Options --
    -- Extension Options --
    FAST_MUL_EN                  : boolean := false;  -- use DSPs for M extension's multiplier
    FAST_MUL_EN                  : boolean := false;  -- use DSPs for M extension's multiplier
    FAST_SHIFT_EN                : boolean := false;  -- use barrel shifter for shift operations
    FAST_SHIFT_EN                : boolean := false;  -- use barrel shifter for shift operations
    CPU_CNT_WIDTH                : natural := 64;     -- total width of CPU cycle and instret counters (0..64)
    CPU_CNT_WIDTH                : natural := 64;     -- total width of CPU cycle and instret counters (0..64)
    -- Physical Memory Protection (PMP) --
    -- Physical Memory Protection (PMP) --
    PMP_NUM_REGIONS              : natural := 0;      -- number of regions (0..64)
    PMP_NUM_REGIONS              : natural := 0;      -- number of regions (0..16)
    PMP_MIN_GRANULARITY          : natural := 64*1024; -- minimal region granularity in bytes, has to be a power of 2, min 8 bytes
    PMP_MIN_GRANULARITY          : natural := 4;      -- minimal region granularity in bytes, has to be a power of 2, min 4 bytes
    -- Hardware Performance Monitors (HPM) --
    -- Hardware Performance Monitors (HPM) --
    HPM_NUM_CNTS                 : natural := 0;      -- number of implemented HPM counters (0..29)
    HPM_NUM_CNTS                 : natural := 0;      -- number of implemented HPM counters (0..29)
    HPM_CNT_WIDTH                : natural := 40;     -- total size of HPM counters (0..64)
    HPM_CNT_WIDTH                : natural := 40;     -- total size of HPM counters (0..64)
    -- Internal Instruction memory --
    -- Internal Instruction memory --
    MEM_INT_IMEM_EN              : boolean := true;   -- implement processor-internal instruction memory
    MEM_INT_IMEM_EN              : boolean := true;   -- implement processor-internal instruction memory
Line 296... Line 296...
    -- RISC-V CPU Extensions --
    -- RISC-V CPU Extensions --
    CPU_EXTENSION_RISCV_A        => CPU_EXTENSION_RISCV_A,        -- implement atomic extension?
    CPU_EXTENSION_RISCV_A        => CPU_EXTENSION_RISCV_A,        -- implement atomic extension?
    CPU_EXTENSION_RISCV_B        => CPU_EXTENSION_RISCV_B,        -- implement bit-manipulation extension?
    CPU_EXTENSION_RISCV_B        => CPU_EXTENSION_RISCV_B,        -- implement bit-manipulation extension?
    CPU_EXTENSION_RISCV_C        => CPU_EXTENSION_RISCV_C,        -- implement compressed extension?
    CPU_EXTENSION_RISCV_C        => CPU_EXTENSION_RISCV_C,        -- implement compressed extension?
    CPU_EXTENSION_RISCV_E        => CPU_EXTENSION_RISCV_E,        -- implement embedded RF extension?
    CPU_EXTENSION_RISCV_E        => CPU_EXTENSION_RISCV_E,        -- implement embedded RF extension?
    CPU_EXTENSION_RISCV_M        => CPU_EXTENSION_RISCV_M,        -- implement muld/div extension?
    CPU_EXTENSION_RISCV_M        => CPU_EXTENSION_RISCV_M,        -- implement mul/div extension?
    CPU_EXTENSION_RISCV_U        => CPU_EXTENSION_RISCV_U,        -- implement user mode extension?
    CPU_EXTENSION_RISCV_U        => CPU_EXTENSION_RISCV_U,        -- implement user mode extension?
    CPU_EXTENSION_RISCV_Zfinx    => CPU_EXTENSION_RISCV_Zfinx,    -- implement 32-bit floating-point extension (using INT reg!)
    CPU_EXTENSION_RISCV_Zfinx    => CPU_EXTENSION_RISCV_Zfinx,    -- implement 32-bit floating-point extension (using INT reg!)
    CPU_EXTENSION_RISCV_Zicsr    => CPU_EXTENSION_RISCV_Zicsr,    -- implement CSR system?
    CPU_EXTENSION_RISCV_Zicsr    => CPU_EXTENSION_RISCV_Zicsr,    -- implement CSR system?
    CPU_EXTENSION_RISCV_Zicntr   => CPU_EXTENSION_RISCV_Zicntr,   -- implement base counters?
    CPU_EXTENSION_RISCV_Zicntr   => CPU_EXTENSION_RISCV_Zicntr,   -- implement base counters?
    CPU_EXTENSION_RISCV_Zihpm    => CPU_EXTENSION_RISCV_Zihpm,    -- implement hardware performance monitors?
    CPU_EXTENSION_RISCV_Zihpm    => CPU_EXTENSION_RISCV_Zihpm,    -- implement hardware performance monitors?
Line 310... Line 310...
    -- Extension Options --
    -- Extension Options --
    FAST_MUL_EN                  => FAST_MUL_EN,        -- use DSPs for M extension's multiplier
    FAST_MUL_EN                  => FAST_MUL_EN,        -- use DSPs for M extension's multiplier
    FAST_SHIFT_EN                => FAST_SHIFT_EN,      -- use barrel shifter for shift operations
    FAST_SHIFT_EN                => FAST_SHIFT_EN,      -- use barrel shifter for shift operations
    CPU_CNT_WIDTH                => CPU_CNT_WIDTH,      -- total width of CPU cycle and instret counters (0..64)
    CPU_CNT_WIDTH                => CPU_CNT_WIDTH,      -- total width of CPU cycle and instret counters (0..64)
    -- Physical Memory Protection (PMP) --
    -- Physical Memory Protection (PMP) --
    PMP_NUM_REGIONS              => PMP_NUM_REGIONS,    -- number of regions (0..64)
    PMP_NUM_REGIONS              => PMP_NUM_REGIONS,    -- number of regions (0..16)
    PMP_MIN_GRANULARITY          => PMP_MIN_GRANULARITY, -- minimal region granularity in bytes, has to be a power of 2, min 8 bytes
    PMP_MIN_GRANULARITY          => PMP_MIN_GRANULARITY, -- minimal region granularity in bytes, has to be a power of 2, min 4 bytes
    -- Hardware Performance Monitors (HPM) --
    -- Hardware Performance Monitors (HPM) --
    HPM_NUM_CNTS                 => HPM_NUM_CNTS,       -- number of implemented HPM counters (0..29)
    HPM_NUM_CNTS                 => HPM_NUM_CNTS,       -- number of implemented HPM counters (0..29)
    HPM_CNT_WIDTH                => HPM_CNT_WIDTH,      -- total size of HPM counters (0..64)
    HPM_CNT_WIDTH                => HPM_CNT_WIDTH,      -- total size of HPM counters (0..64)
    -- Internal Instruction memory --
    -- Internal Instruction memory --
    MEM_INT_IMEM_EN              => MEM_INT_IMEM_EN,    -- implement processor-internal instruction memory
    MEM_INT_IMEM_EN              => MEM_INT_IMEM_EN,    -- implement processor-internal instruction memory

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