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pcsx2/plugins/dev9ghzdrk/Win32/smap.cpp

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/* PCSX2 - PS2 Emulator for PCs
* Copyright (C) 2002-2014 David Quintana [gigaherz]
*
* PCSX2 is free software: you can redistribute it and/or modify it under the terms
* of the GNU Lesser General Public License as published by the Free Software Found-
* ation, either version 3 of the License, or (at your option) any later version.
*
* PCSX2 is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with PCSX2.
* If not, see <http://www.gnu.org/licenses/>.
*/
#define WINVER 0x0600
#define _WIN32_WINNT 0x0600
#include <winsock2.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <Winioctl.h>
#include <fcntl.h>
#include <windows.h>
#include <stdarg.h>
#include <mutex>
#include "smap.h"
#include "net.h"
#include "pcap.h"
#include "pcap_io.h"
#include "tap.h"
bool has_link=true;
volatile bool fireIntR = false;
std::mutex frame_counter_mutex;
std::mutex reset_mutex;
/*
#define SMAP_BASE 0xb0000000
#define SMAP_REG8(Offset) (*(u8 volatile*)(SMAP_BASE+(Offset)))
#define SMAP_REG16(Offset) (*(u16 volatile*)(SMAP_BASE+(Offset)))
#define SMAP_REG32(Offset) (*(u32 volatile*)(SMAP_BASE+(Offset)))
u32 EMAC3REG_READ(u32 u32Offset)
{
u32 hi=SMAP_REG16(u32Offset);
u32 lo=SMAP_REG16(u32Offset+2);
return (hi<<16)|lo;
}
void EMAC3REG_WRITE(u32 u32Offset,u32 u32V)
{
SMAP_REG16(u32Offset)=((u32V>>16)&0xFFFF);
SMAP_REG16(u32Offset+2)=(u32V&0xFFFF);
}
#define SMAP_EMAC3_BASE 0x2000
#define SMAP_EMAC3_STA_CTRL (SMAP_EMAC3_BASE+0x5C)
void test()
{
printf ("EMAC3R 0x%08X raw read 0x%08X\n",EMAC3REG_READ(SMAP_EMAC3_STA_CTRL),SMAP_REG32(SMAP_EMAC3_STA_CTRL));
}*/
//this can return a false positive, but its not problem since it may say it cant recv while it can (no harm done, just delay on packets)
bool rx_fifo_can_rx()
{
//check if RX is on & stuff like that here
//Check if there is space on RXBD
if (dev9Ru8(SMAP_R_RXFIFO_FRAME_CNT)==64)
return false;
//Check if there is space on fifo
int rd_ptr = dev9Ru32(SMAP_R_RXFIFO_RD_PTR);
int space = sizeof(dev9.rxfifo) -
((dev9.rxfifo_wr_ptr-rd_ptr)&16383);
if(space==0)
space = sizeof(dev9.rxfifo);
if (space<1514)
return false;
//we can recv a packet !
return true;
}
void rx_process(NetPacket* pk)
{
if (!rx_fifo_can_rx())
{
emu_printf("ERROR : !rx_fifo_can_rx at rx_process\n");
return;
}
smap_bd_t *pbd= ((smap_bd_t *)&dev9.dev9R[SMAP_BD_RX_BASE & 0xffff])+dev9.rxbdi;
int bytes=(pk->size+3)&(~3);
if (!(pbd->ctrl_stat & SMAP_BD_RX_EMPTY))
{
emu_printf("ERROR : Discarding %d bytes (RX%d not ready)\n", bytes, dev9.rxbdi);
return;
}
int pstart=(dev9.rxfifo_wr_ptr)&16383;
int i=0;
while(i<bytes)
{
dev9_rxfifo_write(pk->buffer[i++]);
dev9.rxfifo_wr_ptr&=16383;
}
//increase RXBD
std::unique_lock<std::mutex> reset_lock(reset_mutex);
dev9.rxbdi++;
dev9.rxbdi&=(SMAP_BD_SIZE/8)-1;
//Fill the BD with info !
pbd->length = pk->size;
pbd->pointer = 0x4000 + pstart;
pbd->ctrl_stat&= ~SMAP_BD_RX_EMPTY;
//increase frame count
std::unique_lock<std::mutex> counter_lock(frame_counter_mutex);
dev9Ru8(SMAP_R_RXFIFO_FRAME_CNT)++;
counter_lock.unlock();
reset_lock.unlock();
//spams// emu_printf("Got packet, %d bytes (%d fifo)\n", pk->size,bytes);
fireIntR = true;
//_DEV9irq(SMAP_INTR_RXEND,0);//now ? or when the fifo is full ? i guess now atm
//note that this _is_ wrong since the IOP interrupt system is not thread safe.. but nothing i can do about that
}
u32 wswap(u32 d)
{
return (d>>16)|(d<<16);
}
void tx_process()
{
//we loop based on count ? or just *use* it ?
u32 cnt=dev9Ru8(SMAP_R_TXFIFO_FRAME_CNT);
//spams// printf("tx_process : %u cnt frames !\n",cnt);
NetPacket pk;
u32 fc=0;
for (fc=0;fc<cnt;fc++)
{
smap_bd_t *pbd= ((smap_bd_t *)&dev9.dev9R[SMAP_BD_TX_BASE & 0xffff])+dev9.txbdi;
if (! (pbd->ctrl_stat&SMAP_BD_TX_READY))
{
emu_printf("ERROR : !pbd->ctrl_stat&SMAP_BD_TX_READY\n");
break;
}
if (pbd->length&3)
{
//spams// emu_printf("WARN : pbd->length not aligned %u\n",pbd->length);
}
if(pbd->length>1514)
{
emu_printf("ERROR : Trying to send packet too big.\n");
}
else
{
u32 base=(pbd->pointer-0x1000)&16383;
DEV9_LOG("Sending Packet from base %x, size %d\n", base, pbd->length);
//spams// emu_printf("Sending Packet from base %x, size %u\n", base, pbd->length);
pk.size=pbd->length;
if (!(pbd->pointer>=0x1000))
{
emu_printf("ERROR: odd , !pbd->pointer>0x1000 | 0x%X %u\n", pbd->pointer, pbd->length);
}
//increase fifo pointer(s)
//uh does that even exist on real h/w ?
/*
if(dev9.txfifo_rd_ptr+pbd->length >= 16383)
{
//warp around !
//first part
u32 was=16384-dev9.txfifo_rd_ptr;
memcpy(pk.buffer,dev9.txfifo+dev9.txfifo_rd_ptr,was);
//warp
dev9.txfifo_rd_ptr+=pbd->length;
dev9.txfifo_rd_ptr&=16383;
if (pbd->length!=was+dev9.txfifo_rd_ptr)
{
emu_printf("ERROR ON TX FIFO HANDLING, %x\n", dev9.txfifo_rd_ptr);
}
//second part
memcpy(pk.buffer+was,dev9.txfifo,pbd->length-was);
}
else
{ //no warp or 'perfect' warp (reads end, resets to start
memcpy(pk.buffer,dev9.txfifo+dev9.txfifo_rd_ptr,pbd->length);
dev9.txfifo_rd_ptr+=pbd->length;
if (dev9.txfifo_rd_ptr==16384)
dev9.txfifo_rd_ptr=0;
}
if (dev9.txfifo_rd_ptr&(~16383))
{
emu_printf("ERROR ON TX FIFO HANDLING, %x\n", dev9.txfifo_rd_ptr);
}
*/
if(base+pbd->length > 16384)
{
u32 was=16384-base;
memcpy(pk.buffer,dev9.txfifo+base,was);
memcpy(pk.buffer+was,dev9.txfifo,pbd->length-was);
printf("Warped read, was=%u, sz=%u, sz-was=%u\n", was, pbd->length, pbd->length-was);
}
else
{
memcpy(pk.buffer,dev9.txfifo+base,pbd->length);
}
tx_put(&pk);
}
pbd->ctrl_stat&= ~SMAP_BD_TX_READY;
//increase TXBD
dev9.txbdi++;
dev9.txbdi&=(SMAP_BD_SIZE/8)-1;
//decrease frame count -- this is not thread safe
dev9Ru8(SMAP_R_TXFIFO_FRAME_CNT)--;
}
//spams// emu_printf("processed %u frames, %u count, cnt = %u\n",fc,dev9Ru8(SMAP_R_TXFIFO_FRAME_CNT),cnt);
//if some error/early exit signal TXDNV
if (fc!=cnt || cnt==0)
{
printf("WARN : (fc!=cnt || cnt==0) but packet send request was made oO..\n");
_DEV9irq(SMAP_INTR_TXDNV,0);
}
//if we actualy send something send TXEND
if(fc!=0)
_DEV9irq(SMAP_INTR_TXEND,100);//now ? or when the fifo is empty ? i guess now atm
}
void emac3_write(u32 addr)
{
u32 value=wswap(dev9Ru32(addr));
switch(addr)
{
case SMAP_R_EMAC3_MODE0_L:
DEV9_LOG("SMAP: SMAP_R_EMAC3_MODE0 write %x\n", value);
value = (value & (~SMAP_E3_SOFT_RESET)) | SMAP_E3_TXMAC_IDLE | SMAP_E3_RXMAC_IDLE;
dev9Ru16(SMAP_R_EMAC3_STA_CTRL_H)|= SMAP_E3_PHY_OP_COMP;
break;
case SMAP_R_EMAC3_TxMODE0_L:
DEV9_LOG("SMAP: SMAP_R_EMAC3_TxMODE0_L write %x\n", value);
//spams// emu_printf("SMAP: SMAP_R_EMAC3_TxMODE0_L write %x\n", value);
//Process TX here ?
if (!(value & SMAP_E3_TX_GNP_0))
emu_printf("SMAP_R_EMAC3_TxMODE0_L: SMAP_E3_TX_GNP_0 not set\n");
tx_process();
value = value& ~SMAP_E3_TX_GNP_0;
if (value)
emu_printf("SMAP_R_EMAC3_TxMODE0_L: extra bits set !\n");
break;
case SMAP_R_EMAC3_TxMODE1_L:
emu_printf("SMAP_R_EMAC3_TxMODE1_L 32bit write %x\n", value);
if (value == 0x380f0000)
{
emu_printf("Adapter Detection Hack - Resetting RX/TX\n");
_DEV9irq(SMAP_INTR_RXEND | SMAP_INTR_TXEND | SMAP_INTR_TXDNV, 5);
}
break;
case SMAP_R_EMAC3_STA_CTRL_L:
DEV9_LOG("SMAP: SMAP_R_EMAC3_STA_CTRL write %x\n", value);
{
if (value & (SMAP_E3_PHY_READ))
{
value|= SMAP_E3_PHY_OP_COMP;
int reg = value & (SMAP_E3_PHY_REG_ADDR_MSK);
u16 val = dev9.phyregs[reg];
switch (reg)
{
case SMAP_DsPHYTER_BMSR:
if (has_link)
val|= SMAP_PHY_BMSR_LINK | SMAP_PHY_BMSR_ANCP;
break;
case SMAP_DsPHYTER_PHYSTS:
if (has_link)
val|= SMAP_PHY_STS_LINK |SMAP_PHY_STS_100M | SMAP_PHY_STS_FDX | SMAP_PHY_STS_ANCP;
break;
}
DEV9_LOG("phy_read %d: %x\n", reg, val);
value=(value&0xFFFF)|(val<<16);
}
if (value & (SMAP_E3_PHY_WRITE))
{
value|= SMAP_E3_PHY_OP_COMP;
int reg = value & (SMAP_E3_PHY_REG_ADDR_MSK);
u16 val = value>>16;
switch (reg)
{
case SMAP_DsPHYTER_BMCR:
val&= ~SMAP_PHY_BMCR_RST;
val|= 0x1;
break;
}
DEV9_LOG("phy_write %d: %x\n", reg, val);
dev9.phyregs[reg] = val;
}
}
break;
default:
DEV9_LOG("SMAP: emac3 write %x=%x\n",addr, value);
}
dev9Ru32(addr)=wswap(value);
}
u8 CALLBACK smap_read8(u32 addr)
{
switch(addr)
{
case SMAP_R_TXFIFO_FRAME_CNT:
printf("SMAP_R_TXFIFO_FRAME_CNT read 8\n");
break;
case SMAP_R_RXFIFO_FRAME_CNT:
printf("SMAP_R_RXFIFO_FRAME_CNT read 8\n");
break;
case SMAP_R_BD_MODE:
return dev9.bd_swap;
default:
DEV9_LOG("SMAP : Unknown 8 bit read @ %X,v=%X\n",addr,dev9Ru8(addr));
return dev9Ru8(addr);
}
DEV9_LOG("SMAP : error , 8 bit read @ %X,v=%X\n",addr,dev9Ru8(addr));
return dev9Ru8(addr);
}
u16 CALLBACK smap_read16(u32 addr)
{
if (addr >= SMAP_BD_TX_BASE && addr < (SMAP_BD_TX_BASE + SMAP_BD_SIZE))
{
int rv = dev9Ru16(addr);
if(dev9.bd_swap)
return (rv<<8)|(rv>>8);
return rv;
/*
switch (addr & 0x7)
{
case 0: // ctrl_stat
hard = dev9Ru16(addr);
//DEV9_LOG("TX_CTRL_STAT[%d]: read %x\n", (addr - SMAP_BD_TX_BASE) / 8, hard);
if(dev9.bd_swap)
return (hard<<8)|(hard>>8);
return hard;
case 2: // unknown
hard = dev9Ru16(addr);
//DEV9_LOG("TX_UNKNOWN[%d]: read %x\n", (addr - SMAP_BD_TX_BASE) / 8, hard);
if(dev9.bd_swap)
return (hard<<8)|(hard>>8);
return hard;
case 4: // length
hard = dev9Ru16(addr);
DEV9_LOG("TX_LENGTH[%d]: read %x\n", (addr - SMAP_BD_TX_BASE) / 8, hard);
if(dev9.bd_swap)
return (hard<<8)|(hard>>8);
return hard;
case 6: // pointer
hard = dev9Ru16(addr);
DEV9_LOG("TX_POINTER[%d]: read %x\n", (addr - SMAP_BD_TX_BASE) / 8, hard);
if(dev9.bd_swap)
return (hard<<8)|(hard>>8);
return hard;
}
*/
}
else if (addr >= SMAP_BD_RX_BASE && addr < (SMAP_BD_RX_BASE + SMAP_BD_SIZE))
{
int rv = dev9Ru16(addr);
if(dev9.bd_swap)
return (rv<<8)|(rv>>8);
return rv;
/*
switch (addr & 0x7)
{
case 0: // ctrl_stat
hard = dev9Ru16(addr);
//DEV9_LOG("RX_CTRL_STAT[%d]: read %x\n", (addr - SMAP_BD_RX_BASE) / 8, hard);
if(dev9.bd_swap)
return (hard<<8)|(hard>>8);
return hard;
case 2: // unknown
hard = dev9Ru16(addr);
//DEV9_LOG("RX_UNKNOWN[%d]: read %x\n", (addr - SMAP_BD_RX_BASE) / 8, hard);
if(dev9.bd_swap)
return (hard<<8)|(hard>>8);
return hard;
case 4: // length
hard = dev9Ru16(addr);
DEV9_LOG("RX_LENGTH[%d]: read %x\n", (addr - SMAP_BD_RX_BASE) / 8, hard);
if(dev9.bd_swap)
return (hard<<8)|(hard>>8);
return hard;
case 6: // pointer
hard = dev9Ru16(addr);
DEV9_LOG("RX_POINTER[%d]: read %x\n", (addr - SMAP_BD_RX_BASE) / 8, hard);
if(dev9.bd_swap)
return (hard<<8)|(hard>>8);
return hard;
}
*/
}
switch(addr)
{
#ifdef DEV9_LOG_ENABLE
case SMAP_R_TXFIFO_FRAME_CNT:
printf("SMAP_R_TXFIFO_FRAME_CNT read 16\n");
return dev9Ru16(addr);
case SMAP_R_RXFIFO_FRAME_CNT:
printf("SMAP_R_RXFIFO_FRAME_CNT read 16\n");
return dev9Ru16(addr);
case SMAP_R_EMAC3_MODE0_L:
DEV9_LOG("SMAP_R_EMAC3_MODE0_L 16bit read %x\n", dev9Ru16(addr));
return dev9Ru16(addr);
case SMAP_R_EMAC3_MODE0_H:
DEV9_LOG("SMAP_R_EMAC3_MODE0_H 16bit read %x\n", dev9Ru16(addr));
return dev9Ru16(addr);
case SMAP_R_EMAC3_MODE1_L:
DEV9_LOG("SMAP_R_EMAC3_MODE1_L 16bit read %x\n", dev9Ru16(addr));
return dev9Ru16(addr);
case SMAP_R_EMAC3_MODE1_H:
DEV9_LOG("SMAP_R_EMAC3_MODE1_H 16bit read %x\n", dev9Ru16(addr));
return dev9Ru16(addr);
case SMAP_R_EMAC3_RxMODE_L:
DEV9_LOG("SMAP_R_EMAC3_RxMODE_L 16bit read %x\n", dev9Ru16(addr));
return dev9Ru16(addr);
case SMAP_R_EMAC3_RxMODE_H:
DEV9_LOG("SMAP_R_EMAC3_RxMODE_H 16bit read %x\n", dev9Ru16(addr));
return dev9Ru16(addr);
case SMAP_R_EMAC3_INTR_STAT_L:
DEV9_LOG("SMAP_R_EMAC3_INTR_STAT_L 16bit read %x\n", dev9Ru16(addr));
return dev9Ru16(addr);
case SMAP_R_EMAC3_INTR_STAT_H:
DEV9_LOG("SMAP_R_EMAC3_INTR_STAT_H 16bit read %x\n", dev9Ru16(addr));
return dev9Ru16(addr);
case SMAP_R_EMAC3_INTR_ENABLE_L:
DEV9_LOG("SMAP_R_EMAC3_INTR_ENABLE_L 16bit read %x\n", dev9Ru16(addr));
return dev9Ru16(addr);
case SMAP_R_EMAC3_INTR_ENABLE_H:
DEV9_LOG("SMAP_R_EMAC3_INTR_ENABLE_H 16bit read %x\n", dev9Ru16(addr));
return dev9Ru16(addr);
case SMAP_R_EMAC3_TxMODE0_L:
DEV9_LOG("SMAP_R_EMAC3_TxMODE0_L 16bit read %x\n", dev9Ru16(addr));
return dev9Ru16(addr);
case SMAP_R_EMAC3_TxMODE0_H:
DEV9_LOG("SMAP_R_EMAC3_TxMODE0_H 16bit read %x\n", dev9Ru16(addr));
return dev9Ru16(addr);
case SMAP_R_EMAC3_TxMODE1_L:
DEV9_LOG("SMAP_R_EMAC3_TxMODE1_L 16bit read %x\n", dev9Ru16(addr));
return dev9Ru16(addr);
case SMAP_R_EMAC3_TxMODE1_H:
DEV9_LOG("SMAP_R_EMAC3_TxMODE1_H 16bit read %x\n", dev9Ru16(addr));
return dev9Ru16(addr);
case SMAP_R_EMAC3_STA_CTRL_L:
DEV9_LOG("SMAP_R_EMAC3_STA_CTRL_L 16bit read %x\n", dev9Ru16(addr));
return dev9Ru16(addr);
case SMAP_R_EMAC3_STA_CTRL_H:
DEV9_LOG("SMAP_R_EMAC3_STA_CTRL_H 16bit read %x\n", dev9Ru16(addr));
return dev9Ru16(addr);
#endif
default:
DEV9_LOG("SMAP : Unknown 16 bit read @ %X,v=%X\n",addr,dev9Ru16(addr));
return dev9Ru16(addr);
}
}
u32 CALLBACK smap_read32(u32 addr)
{
if (addr>=SMAP_EMAC3_REGBASE && addr<SMAP_EMAC3_REGEND)
{
u32 hi=smap_read16(addr);
u32 lo=smap_read16(addr+2)<<16;
return hi|lo;
}
switch(addr)
{
case SMAP_R_TXFIFO_FRAME_CNT:
printf("SMAP_R_TXFIFO_FRAME_CNT read 32\n");
return dev9Ru32(addr);
case SMAP_R_RXFIFO_FRAME_CNT:
printf("SMAP_R_RXFIFO_FRAME_CNT read 32\n");
return dev9Ru32(addr);
case SMAP_R_EMAC3_STA_CTRL_L:
DEV9_LOG("SMAP_R_EMAC3_STA_CTRL_L 32bit read value %x\n", dev9Ru32(addr));
return dev9Ru32(addr);
case SMAP_R_RXFIFO_DATA:
{
int rd_ptr = dev9Ru32(SMAP_R_RXFIFO_RD_PTR)&16383;
int rv = *((u32*)(dev9.rxfifo + rd_ptr));
dev9Ru32(SMAP_R_RXFIFO_RD_PTR) = ((rd_ptr+4)&16383);
if(dev9.bd_swap)
rv=(rv<<24)|(rv>>24)|((rv>>8)&0xFF00)|((rv<<8)&0xFF0000);
DEV9_LOG("SMAP_R_RXFIFO_DATA 32bit read %x\n", rv);
return rv;
}
default:
DEV9_LOG("SMAP : Unknown 32 bit read @ %X,v=%X\n",addr,dev9Ru32(addr));
return dev9Ru32(addr);
}
}
void CALLBACK smap_write8(u32 addr, u8 value)
{
std::unique_lock<std::mutex> reset_lock(reset_mutex, std::defer_lock);
std::unique_lock<std::mutex> counter_lock(frame_counter_mutex, std::defer_lock);
switch(addr)
{
case SMAP_R_TXFIFO_FRAME_INC:
DEV9_LOG("SMAP_R_TXFIFO_FRAME_INC 8bit write %x\n", value);
{
dev9Ru8(SMAP_R_TXFIFO_FRAME_CNT)++;
}
return;
case SMAP_R_RXFIFO_FRAME_DEC:
DEV9_LOG("SMAP_R_RXFIFO_FRAME_DEC 8bit write %x\n", value);
counter_lock.lock();
dev9Ru8(addr) = value;
{
dev9Ru8(SMAP_R_RXFIFO_FRAME_CNT)--;
}
counter_lock.unlock();
return;
case SMAP_R_TXFIFO_CTRL:
DEV9_LOG("SMAP_R_TXFIFO_CTRL 8bit write %x\n", value);
if(value&SMAP_TXFIFO_RESET)
{
dev9.txbdi=0;
dev9.txfifo_rd_ptr=0;
dev9Ru8(SMAP_R_TXFIFO_FRAME_CNT)=0; //this actualy needs to be atomic (lock mov ...)
dev9Ru32(SMAP_R_TXFIFO_WR_PTR)=0;
dev9Ru32(SMAP_R_TXFIFO_SIZE)=16384;
}
value&= ~SMAP_TXFIFO_RESET;
dev9Ru8(addr) = value;
return;
case SMAP_R_RXFIFO_CTRL:
DEV9_LOG("SMAP_R_RXFIFO_CTRL 8bit write %x\n", value);
if(value&SMAP_RXFIFO_RESET)
{
reset_lock.lock(); //lock reset mutex 1st
counter_lock.lock();
dev9.rxbdi=0;
dev9.rxfifo_wr_ptr=0;
dev9Ru8(SMAP_R_RXFIFO_FRAME_CNT)=0;
dev9Ru32(SMAP_R_RXFIFO_RD_PTR)=0;
dev9Ru32(SMAP_R_RXFIFO_SIZE)=16384;
reset_lock.unlock();
counter_lock.unlock();
}
value&= ~SMAP_RXFIFO_RESET;
dev9Ru8(addr) = value;
return;
case SMAP_R_BD_MODE:
if(value&SMAP_BD_SWAP)
{
DEV9_LOG("SMAP_R_BD_MODE: byteswapped.\n");
emu_printf("BD Byteswapping enabled.\n");
dev9.bd_swap=1;
}
else
{
DEV9_LOG("SMAP_R_BD_MODE: NOT byteswapped.\n");
emu_printf("BD Byteswapping disabled.\n");
dev9.bd_swap=0;
}
return;
default :
DEV9_LOG("SMAP : Unknown 8 bit write @ %X,v=%X\n",addr,value);
dev9Ru8(addr) = value;
return;
}
}
void CALLBACK smap_write16(u32 addr, u16 value)
{
if (addr >= SMAP_BD_TX_BASE && addr < (SMAP_BD_TX_BASE + SMAP_BD_SIZE)) {
if(dev9.bd_swap)
value = (value>>8)|(value<<8);
dev9Ru16(addr) = value;
/*
switch (addr & 0x7)
{
case 0: // ctrl_stat
DEV9_LOG("TX_CTRL_STAT[%d]: write %x\n", (addr - SMAP_BD_TX_BASE) / 8, value);
//hacky
dev9Ru16(addr) = value;
return;
case 2: // unknown
//DEV9_LOG("TX_UNKNOWN[%d]: write %x\n", (addr - SMAP_BD_TX_BASE) / 8, value);
dev9Ru16(addr) = value;
return;
case 4: // length
DEV9_LOG("TX_LENGTH[%d]: write %x\n", (addr - SMAP_BD_TX_BASE) / 8, value);
dev9Ru16(addr) = value;
return;
case 6: // pointer
DEV9_LOG("TX_POINTER[%d]: write %x\n", (addr - SMAP_BD_TX_BASE) / 8, value);
dev9Ru16(addr) = value;
return;
}
*/
return;
}
else if (addr >= SMAP_BD_RX_BASE && addr < (SMAP_BD_RX_BASE + SMAP_BD_SIZE))
{
int rx_index=(addr - SMAP_BD_RX_BASE)>>3;
if(dev9.bd_swap)
value = (value>>8)|(value<<8);
dev9Ru16(addr) = value;
/*
switch (addr & 0x7)
{
case 0: // ctrl_stat
DEV9_LOG("RX_CTRL_STAT[%d]: write %x\n", rx_index, value);
dev9Ru16(addr) = value;
if(value&0x8000)
{
DEV9_LOG(" * * PACKET READ COMPLETE: rd_ptr=%d, wr_ptr=%d\n", dev9Ru32(SMAP_R_RXFIFO_RD_PTR), dev9.rxfifo_wr_ptr);
}
return;
case 2: // unknown
//DEV9_LOG("RX_UNKNOWN[%d]: write %x\n", rx_index, value);
dev9Ru16(addr) = value;
return;
case 4: // length
DEV9_LOG("RX_LENGTH[%d]: write %x\n", rx_index, value);
dev9Ru16(addr) = value;
return;
case 6: // pointer
DEV9_LOG("RX_POINTER[%d]: write %x\n", rx_index, value);
dev9Ru16(addr) = value;
return;
}
*/
return;
}
switch(addr)
{
case SMAP_R_INTR_CLR:
DEV9_LOG("SMAP: SMAP_R_INTR_CLR 16bit write %x\n", value);
dev9.irqcause&= ~value;
return;
case SMAP_R_TXFIFO_WR_PTR:
DEV9_LOG("SMAP: SMAP_R_TXFIFO_WR_PTR 16bit write %x\n", value);
dev9Ru16(addr) = value;
return;
#define EMAC3_L_WRITE(name) \
case name: \
DEV9_LOG("SMAP: " #name " 16 bit write %x\n", value); \
dev9Ru16(addr) = value; \
return;
//handle L writes
EMAC3_L_WRITE(SMAP_R_EMAC3_MODE0_L )
EMAC3_L_WRITE( SMAP_R_EMAC3_MODE1_L )
EMAC3_L_WRITE( SMAP_R_EMAC3_TxMODE0_L )
EMAC3_L_WRITE( SMAP_R_EMAC3_TxMODE1_L )
EMAC3_L_WRITE( SMAP_R_EMAC3_RxMODE_L )
EMAC3_L_WRITE( SMAP_R_EMAC3_INTR_STAT_L )
EMAC3_L_WRITE( SMAP_R_EMAC3_INTR_ENABLE_L )
EMAC3_L_WRITE( SMAP_R_EMAC3_ADDR_HI_L )
EMAC3_L_WRITE( SMAP_R_EMAC3_ADDR_LO_L )
EMAC3_L_WRITE( SMAP_R_EMAC3_VLAN_TPID )
EMAC3_L_WRITE( SMAP_R_EMAC3_PAUSE_TIMER_L )
EMAC3_L_WRITE( SMAP_R_EMAC3_INDIVID_HASH1 )
EMAC3_L_WRITE( SMAP_R_EMAC3_INDIVID_HASH2 )
EMAC3_L_WRITE( SMAP_R_EMAC3_INDIVID_HASH3 )
EMAC3_L_WRITE( SMAP_R_EMAC3_INDIVID_HASH4 )
EMAC3_L_WRITE( SMAP_R_EMAC3_GROUP_HASH1 )
EMAC3_L_WRITE( SMAP_R_EMAC3_GROUP_HASH2 )
EMAC3_L_WRITE( SMAP_R_EMAC3_GROUP_HASH3 )
EMAC3_L_WRITE( SMAP_R_EMAC3_GROUP_HASH4 )
EMAC3_L_WRITE( SMAP_R_EMAC3_LAST_SA_HI )
EMAC3_L_WRITE( SMAP_R_EMAC3_LAST_SA_LO )
EMAC3_L_WRITE( SMAP_R_EMAC3_INTER_FRAME_GAP_L )
EMAC3_L_WRITE( SMAP_R_EMAC3_STA_CTRL_L )
EMAC3_L_WRITE( SMAP_R_EMAC3_TX_THRESHOLD_L )
EMAC3_L_WRITE( SMAP_R_EMAC3_RX_WATERMARK_L )
EMAC3_L_WRITE( SMAP_R_EMAC3_TX_OCTETS )
EMAC3_L_WRITE( SMAP_R_EMAC3_RX_OCTETS )
#define EMAC3_H_WRITE(name) \
case name: \
DEV9_LOG("SMAP: " #name " 16 bit write %x\n", value); \
dev9Ru16(addr) = value; \
emac3_write(addr-2); \
return;
//handle H writes
EMAC3_H_WRITE(SMAP_R_EMAC3_MODE0_H )
EMAC3_H_WRITE( SMAP_R_EMAC3_MODE1_H )
EMAC3_H_WRITE( SMAP_R_EMAC3_TxMODE0_H )
EMAC3_H_WRITE( SMAP_R_EMAC3_TxMODE1_H )
EMAC3_H_WRITE( SMAP_R_EMAC3_RxMODE_H )
EMAC3_H_WRITE( SMAP_R_EMAC3_INTR_STAT_H )
EMAC3_H_WRITE( SMAP_R_EMAC3_INTR_ENABLE_H )
EMAC3_H_WRITE( SMAP_R_EMAC3_ADDR_HI_H )
EMAC3_H_WRITE( SMAP_R_EMAC3_ADDR_LO_H )
EMAC3_H_WRITE( SMAP_R_EMAC3_VLAN_TPID+2 )
EMAC3_H_WRITE( SMAP_R_EMAC3_PAUSE_TIMER_H )
EMAC3_H_WRITE( SMAP_R_EMAC3_INDIVID_HASH1+2 )
EMAC3_H_WRITE( SMAP_R_EMAC3_INDIVID_HASH2+2 )
EMAC3_H_WRITE( SMAP_R_EMAC3_INDIVID_HASH3+2 )
EMAC3_H_WRITE( SMAP_R_EMAC3_INDIVID_HASH4+2 )
EMAC3_H_WRITE( SMAP_R_EMAC3_GROUP_HASH1+2 )
EMAC3_H_WRITE( SMAP_R_EMAC3_GROUP_HASH2+2 )
EMAC3_H_WRITE( SMAP_R_EMAC3_GROUP_HASH3+2 )
EMAC3_H_WRITE( SMAP_R_EMAC3_GROUP_HASH4+2 )
EMAC3_H_WRITE( SMAP_R_EMAC3_LAST_SA_HI+2 )
EMAC3_H_WRITE( SMAP_R_EMAC3_LAST_SA_LO+2 )
EMAC3_H_WRITE( SMAP_R_EMAC3_INTER_FRAME_GAP_H )
EMAC3_H_WRITE( SMAP_R_EMAC3_STA_CTRL_H )
EMAC3_H_WRITE( SMAP_R_EMAC3_TX_THRESHOLD_H )
EMAC3_H_WRITE( SMAP_R_EMAC3_RX_WATERMARK_H )
EMAC3_H_WRITE( SMAP_R_EMAC3_TX_OCTETS+2 )
EMAC3_H_WRITE( SMAP_R_EMAC3_RX_OCTETS+2 )
/*
case SMAP_R_EMAC3_MODE0_L:
DEV9_LOG("SMAP: SMAP_R_EMAC3_MODE0 write %x\n", value);
dev9Ru16(addr) = value;
return;
case SMAP_R_EMAC3_TxMODE0_L:
DEV9_LOG("SMAP: SMAP_R_EMAC3_TxMODE0_L 16bit write %x\n", value);
dev9Ru16(addr) = value;
return;
case SMAP_R_EMAC3_TxMODE1_L:
emu_printf("SMAP: SMAP_R_EMAC3_TxMODE1_L 16bit write %x\n", value);
dev9Ru16(addr) = value;
return;
case SMAP_R_EMAC3_TxMODE0_H:
emu_printf("SMAP: SMAP_R_EMAC3_TxMODE0_H 16bit write %x\n", value);
dev9Ru16(addr) = value;
return;
case SMAP_R_EMAC3_TxMODE1_H:
emu_printf("SMAP: SMAP_R_EMAC3_TxMODE1_H 16bit write %x\n", value);
dev9Ru16(addr) = value;
return;
case SMAP_R_EMAC3_STA_CTRL_H:
DEV9_LOG("SMAP: SMAP_R_EMAC3_STA_CTRL_H 16bit write %x\n", value);
dev9Ru16(addr) = value;
return;
*/
default :
DEV9_LOG("SMAP : Unknown 16 bit write @ %X,v=%X\n",addr,value);
dev9Ru16(addr) = value;
return;
}
}
void CALLBACK smap_write32(u32 addr, u32 value)
{
if (addr>=SMAP_EMAC3_REGBASE && addr<SMAP_EMAC3_REGEND)
{
smap_write16(addr,value&0xFFFF);
smap_write16(addr+2,value>>16);
return;
}
switch(addr)
{
case SMAP_R_TXFIFO_DATA:
if(dev9.bd_swap)
value=(value<<24)|(value>>24)|((value>>8)&0xFF00)|((value<<8)&0xFF0000);
DEV9_LOG("SMAP_R_TXFIFO_DATA 32bit write %x\n", value);
*((u32*)(dev9.txfifo+dev9Ru32(SMAP_R_TXFIFO_WR_PTR)))=value;
dev9Ru32(SMAP_R_TXFIFO_WR_PTR) = (dev9Ru32(SMAP_R_TXFIFO_WR_PTR)+4)&16383;
return;
default :
DEV9_LOG("SMAP : Unknown 32 bit write @ %X,v=%X\n",addr,value);
dev9Ru32(addr) = value;
return;
}
}
void CALLBACK smap_readDMA8Mem(u32 *pMem, int size)
{
if(dev9Ru16(SMAP_R_RXFIFO_CTRL)&SMAP_RXFIFO_DMAEN)
{
dev9Ru32(SMAP_R_RXFIFO_RD_PTR)&=16383;
size>>=1;
DEV9_LOG(" * * SMAP DMA READ START: rd_ptr=%d, wr_ptr=%d\n", dev9Ru32(SMAP_R_RXFIFO_RD_PTR), dev9.rxfifo_wr_ptr);
while(size>0)
{
*pMem = *((u32*)(dev9.rxfifo+dev9Ru32(SMAP_R_RXFIFO_RD_PTR)));
pMem++;
dev9Ru32(SMAP_R_RXFIFO_RD_PTR) = (dev9Ru32(SMAP_R_RXFIFO_RD_PTR)+4)&16383;
size-=4;
}
DEV9_LOG(" * * SMAP DMA READ END: rd_ptr=%d, wr_ptr=%d\n", dev9Ru32(SMAP_R_RXFIFO_RD_PTR), dev9.rxfifo_wr_ptr);
dev9Ru16(SMAP_R_RXFIFO_CTRL) &= ~SMAP_RXFIFO_DMAEN;
}
}
void CALLBACK smap_writeDMA8Mem(u32* pMem, int size)
{
if(dev9Ru16(SMAP_R_TXFIFO_CTRL)&SMAP_TXFIFO_DMAEN)
{
dev9Ru32(SMAP_R_TXFIFO_WR_PTR)&=16383;
size>>=1;
DEV9_LOG(" * * SMAP DMA WRITE START: wr_ptr=%d, rd_ptr=%d\n", dev9Ru32(SMAP_R_TXFIFO_WR_PTR), dev9.txfifo_rd_ptr);
while(size>0)
{
int value=*pMem;
// value=(value<<24)|(value>>24)|((value>>8)&0xFF00)|((value<<8)&0xFF0000);
pMem++;
*((u32*)(dev9.txfifo+dev9Ru32(SMAP_R_TXFIFO_WR_PTR)))=value;
dev9Ru32(SMAP_R_TXFIFO_WR_PTR) = (dev9Ru32(SMAP_R_TXFIFO_WR_PTR)+4)&16383;
size-=4;
}
DEV9_LOG(" * * SMAP DMA WRITE END: wr_ptr=%d, rd_ptr=%d\n", dev9Ru32(SMAP_R_TXFIFO_WR_PTR), dev9.txfifo_rd_ptr);
dev9Ru16(SMAP_R_TXFIFO_CTRL) &= ~SMAP_TXFIFO_DMAEN;
}
}
void CALLBACK smap_async(u32 cycles)
{
if (fireIntR)
{
fireIntR = false;
//Is this used to signal each individual packet, or just when there are packets in the RX fifo?
//I think it just signals when there are packets in the RX fifo
_DEV9irq(SMAP_INTR_RXEND, 0); //Make the call to _DEV9irq in a thread safe way
}
}
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