117 lines
2.7 KiB
C
117 lines
2.7 KiB
C
/* Copyright (C) 1998, Cygnus Solutions */
|
|
|
|
#ifndef H_PKE_H
|
|
#define H_PKE_H
|
|
|
|
#include "sim-main.h"
|
|
#include "device.h"
|
|
|
|
|
|
/* External functions */
|
|
|
|
void pke0_attach(SIM_DESC sd);
|
|
void pke0_issue();
|
|
void pke1_attach(SIM_DESC sd);
|
|
void pke1_issue();
|
|
|
|
|
|
/* Quadword data type */
|
|
|
|
typedef unsigned int quadword[4];
|
|
|
|
/* truncate address to quadword */
|
|
#define ADDR_TRUNC_QW(addr) ((addr) & ~0x0f)
|
|
/* extract offset in quadword */
|
|
#define ADDR_OFFSET_QW(addr) ((addr) & 0x0f)
|
|
|
|
|
|
/* SCEI memory mapping information */
|
|
|
|
#define PKE0_REGISTER_WINDOW_START 0x10000800
|
|
#define PKE1_REGISTER_WINDOW_START 0x10000A00
|
|
#define PKE0_FIFO_START 0x10008000
|
|
#define PKE1_FIFO_START 0x10008010
|
|
|
|
|
|
/* Quadword indices of PKE registers. Actual registers sit at bottom
|
|
32 bits of each quadword. */
|
|
#define PKE_REG_STAT 0x00
|
|
#define PKE_REG_FBRST 0x01
|
|
#define PKE_REG_ERR 0x02
|
|
#define PKE_REG_MARK 0x03
|
|
#define PKE_REG_CYCLE 0x04
|
|
#define PKE_REG_MODE 0x05
|
|
#define PKE_REG_NUM 0x06
|
|
#define PKE_REG_MASK 0x07
|
|
#define PKE_REG_CODE 0x08
|
|
#define PKE_REG_ITOPS 0x09
|
|
#define PKE_REG_BASE 0x0a /* pke1 only */
|
|
#define PKE_REG_OFST 0x0b /* pke1 only */
|
|
#define PKE_REG_TOPS 0x0c /* pke1 only */
|
|
#define PKE_REG_ITOP 0x0d
|
|
#define PKE_REG_TOP 0x0e /* pke1 only */
|
|
#define PKE_REG_DBF 0x0f /* pke1 only */
|
|
#define PKE_REG_R0 0x10
|
|
#define PKE_REG_R1 0x11
|
|
#define PKE_REG_R2 0x12
|
|
#define PKE_REG_R3 0x13
|
|
#define PKE_REG_C0 0x14
|
|
#define PKE_REG_C1 0x15
|
|
#define PKE_REG_C2 0x16
|
|
#define PKE_REG_C3 0x17
|
|
/* one plus last index */
|
|
#define PKE_NUM_REGS 0x18
|
|
|
|
#define PKE_REGISTER_WINDOW_SIZE (sizeof(quadword) * PKE_NUM_REGS)
|
|
|
|
/* virtual addresses for source-addr tracking */
|
|
#define PKE0_SRCADDR 0x20000020
|
|
#define PKE1_SRCADDR 0x20000024
|
|
|
|
|
|
/* One row in the FIFO */
|
|
struct fifo_quadword
|
|
{
|
|
/* 128 bits of data */
|
|
quadword data;
|
|
/* source main memory address (or 0: unknown) */
|
|
address_word source_address;
|
|
};
|
|
|
|
|
|
/* PKE internal state: FIFOs, registers, handle to VU friend */
|
|
struct pke_device
|
|
{
|
|
/* common device info */
|
|
device dev;
|
|
|
|
/* identity: 0=PKE0, 1=PKE1 */
|
|
int pke_number;
|
|
int flags;
|
|
|
|
address_word register_memory_addr;
|
|
address_word fifo_memory_addr;
|
|
|
|
/* quadword registers */
|
|
quadword regs[PKE_NUM_REGS];
|
|
|
|
/* FIFO */
|
|
struct fifo_quadword* fifo;
|
|
int fifo_num_elements; /* no. of quadwords occupied in FIFO */
|
|
int fifo_buffer_size; /* no. of quadwords of space in FIFO */
|
|
FILE* fifo_trace_file; /* or 0 for no trace */
|
|
|
|
/* index into FIFO of current instruction */
|
|
int program_counter;
|
|
|
|
};
|
|
|
|
|
|
/* Flags for PKE.flags */
|
|
|
|
#define PKE_FLAG_NONE 0
|
|
/* none at present */
|
|
|
|
|
|
|
|
#endif /* H_PKE_H */
|