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/* 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 */
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