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

Subversion Repositories neorv32

[/] [neorv32/] [trunk/] [rtl/] [core/] [neorv32_bus_keeper.vhd] - Diff between revs 68 and 69

Rev 68	Rev 69
Line 85...	Line 85...
`signal rden : std_ulogic; -- read enable`	`signal rden : std_ulogic; -- read enable`

`-- controller --`	`-- controller --`
`type control_t is record`	`type control_t is record`
`pending : std_ulogic;`	`pending : std_ulogic;`
`timeout : std_ulogic_vector(index_size_f(max_proc_int_response_time_c)-1 downto 0);`	`timeout : std_ulogic_vector(index_size_f(max_proc_int_response_time_c) downto 0);`
`err_type : std_ulogic;`	`err_type : std_ulogic;`
`bus_err : std_ulogic;`	`bus_err : std_ulogic;`
`end record;`	`end record;`
`signal control : control_t;`	`signal control : control_t;`

Line 146...	Line 146...
`-- defaults --`	`-- defaults --`
`control.bus_err <= '0';`	`control.bus_err <= '0';`

`-- access monitor: IDLE --`	`-- access monitor: IDLE --`
`if (control.pending = '0') then`	`if (control.pending = '0') then`
`control.timeout <= std_ulogic_vector(to_unsigned(max_proc_int_response_time_c, index_size_f(max_proc_int_response_time_c)));`	`control.timeout <= std_ulogic_vector(to_unsigned(max_proc_int_response_time_c, index_size_f(max_proc_int_response_time_c)+1));`
`if (bus_rden_i = '1') or (bus_wren_i = '1') then`	`if (bus_rden_i = '1') or (bus_wren_i = '1') then`
`control.pending <= '1';`	`control.pending <= '1';`
`end if;`	`end if;`
`-- access monitor: PENDING --`	`-- access monitor: PENDING --`
`else`	`else`