| 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
|
