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verilog6502/src/application_wrapper/cache/application_wrapper_cache_pkg.sv
2026-05-24 17:13:20 -07:00

35 lines
766 B
Systemverilog

package application_wrapper_cache_pkg;
typedef struct {
logic cache_disable;
logic read_eanble;
logic write_enable;
logic execute_enable;
logic supervisor;
logic present;
logic write_through;
} page_table_entry_t;
typedef enum logic [2:0] {
CACHE_CMD_NONE,
CACHE_CMD_READ,
CACHE_CMD_READ_UNIQUE,
CACHE_CMD_WRITE,
CACHE_CMD_CLEAN_UNIQUE,
CACHE_CMD_EVICT
} cache_cmd_e;
typedef enum logic [1:0] {
CACHE_RSP_NONE,
CACHE_RSP_SHARED,
CACHE_RSP_EXCLUSIVE
} cache_resp_e;
typedef enum logic [1:0] {
MESI_INVALID,
MESI_SHARED,
MESI_EXCLUSIVE,
MESI_MODIFIED
} mesi_e;
endpackage