URL https://opencores.org/ocsvn/neorv32/neorv32/trunk

Subversion Repositories neorv32

[/] [neorv32/] [trunk/] [rtl/] [core/] [neorv32_cpu_alu.vhd] - Diff between revs 61 and 62

Rev 61	Rev 62
Line 42...	Line 42...
`use neorv32.neorv32_package.all;`	`use neorv32.neorv32_package.all;`

`entity neorv32_cpu_alu is`	`entity neorv32_cpu_alu is`
`generic (`	`generic (`
`-- RISC-V CPU Extensions --`	`-- RISC-V CPU Extensions --`
`CPU_EXTENSION_RISCV_M : boolean := false; -- implement mul/div extension?`	`CPU_EXTENSION_RISCV_M : boolean; -- implement mul/div extension?`
`CPU_EXTENSION_RISCV_Zmmul : boolean := false; -- implement multiply-only M sub-extension?`	`CPU_EXTENSION_RISCV_Zmmul : boolean; -- implement multiply-only M sub-extension?`
`CPU_EXTENSION_RISCV_Zfinx : boolean := false; -- implement 32-bit floating-point extension (using INT reg!)`	`CPU_EXTENSION_RISCV_Zfinx : boolean; -- implement 32-bit floating-point extension (using INT reg!)`
`-- Extension Options --`	`-- Extension Options --`
`FAST_MUL_EN : boolean := false; -- use DSPs for M extension's multiplier`	`FAST_MUL_EN : boolean; -- use DSPs for M extension's multiplier`
`FAST_SHIFT_EN : boolean := false -- use barrel shifter for shift operations`	`FAST_SHIFT_EN : boolean -- use barrel shifter for shift operations`
`);`	`);`
`port (`	`port (`
`-- global control --`	`-- global control --`
`clk_i : in std_ulogic; -- global clock, rising edge`	`clk_i : in std_ulogic; -- global clock, rising edge`
`rstn_i : in std_ulogic; -- global reset, low-active, async`	`rstn_i : in std_ulogic; -- global reset, low-active, async`