////////////////////////////////////////////////////////////////////////////////
|
////////////////////////////////////////////////////////////////////////////////
|
//
|
//
|
// Filename: busmaster_tb.cpp
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// Filename: busmaster_tb.cpp
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//
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//
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// Project: FPGA library development (XuLA2 development board)
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// Project: FPGA library development (XuLA2 development board)
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//
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//
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// Purpose: This is piped version of the testbench for the busmaster
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// Purpose: This is piped version of the testbench for the busmaster
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// verilog code. The busmaster code is designed to be a complete
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// verilog code. The busmaster code is designed to be a complete
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// code set implementing all of the functionality of the XESS XuLA2
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// code set implementing all of the functionality of the XESS XuLA2
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// development board. If done well, the programs talking to this one
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// development board. If done well, the programs talking to this one
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// should be able to talk to the board and apply the same tests to the
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// should be able to talk to the board and apply the same tests to the
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// board itself.
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// board itself.
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//
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//
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// Creator: Dan Gisselquist, Ph.D.
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// Creator: Dan Gisselquist, Ph.D.
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// Gisselquist Technology, LLC
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// Gisselquist Technology, LLC
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//
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//
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////////////////////////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////////////////////////
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//
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//
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// Copyright (C) 2015-2016, Gisselquist Technology, LLC
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// Copyright (C) 2015-2016, Gisselquist Technology, LLC
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//
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//
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// This program is free software (firmware): you can redistribute it and/or
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// This program is free software (firmware): you can redistribute it and/or
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// modify it under the terms of the GNU General Public License as published
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// modify it under the terms of the GNU General Public License as published
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// by the Free Software Foundation, either version 3 of the License, or (at
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// by the Free Software Foundation, either version 3 of the License, or (at
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// your option) any later version.
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// your option) any later version.
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//
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//
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// This program is distributed in the hope that it will be useful, but WITHOUT
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// This program is distributed in the hope that it will be useful, but WITHOUT
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// ANY WARRANTY; without even the implied warranty of MERCHANTIBILITY or
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// ANY WARRANTY; without even the implied warranty of MERCHANTIBILITY or
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// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
// for more details.
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// for more details.
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//
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//
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// You should have received a copy of the GNU General Public License along
|
// You should have received a copy of the GNU General Public License along
|
// with this program. (It's in the $(ROOT)/doc directory, run make with no
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// with this program. (It's in the $(ROOT)/doc directory, run make with no
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// target there if the PDF file isn't present.) If not, see
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// target there if the PDF file isn't present.) If not, see
|
// <http://www.gnu.org/licenses/> for a copy.
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// <http://www.gnu.org/licenses/> for a copy.
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//
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//
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// License: GPL, v3, as defined and found on www.gnu.org,
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// License: GPL, v3, as defined and found on www.gnu.org,
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// http://www.gnu.org/licenses/gpl.html
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// http://www.gnu.org/licenses/gpl.html
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//
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//
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//
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//
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////////////////////////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////////////////////////
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//
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//
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//
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//
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#include <signal.h>
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#include <signal.h>
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#include <time.h>
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#include <time.h>
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#include <ctype.h>
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#include <ctype.h>
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|
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#include "verilated.h"
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#include "verilated.h"
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#include "Vbusmaster.h"
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#include "Vbusmaster.h"
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|
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#include "testb.h"
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#include "testb.h"
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// #include "twoc.h"
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// #include "twoc.h"
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#include "pipecmdr.h"
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#include "pipecmdr.h"
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#include "qspiflashsim.h"
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#include "qspiflashsim.h"
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#include "sdramsim.h"
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#include "sdramsim.h"
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#include "sdspisim.h"
|
#include "sdspisim.h"
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#include "uartsim.h"
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#include "uartsim.h"
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|
|
#include "port.h"
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#include "port.h"
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|
|
// Add a reset line, since Vbusmaster doesn't have one
|
// Add a reset line, since Vbusmaster doesn't have one
|
class Vbusmasterr : public Vbusmaster {
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class Vbusmasterr : public Vbusmaster {
|
public:
|
public:
|
int i_rst;
|
int i_rst;
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virtual ~Vbusmasterr() {}
|
virtual ~Vbusmasterr() {}
|
};
|
};
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|
|
// No particular "parameters" need definition or redefinition here.
|
// No particular "parameters" need definition or redefinition here.
|
class BUSMASTER_TB : public PIPECMDR<Vbusmasterr> {
|
class BUSMASTER_TB : public PIPECMDR<Vbusmasterr> {
|
public:
|
public:
|
unsigned long m_tx_busy_count;
|
unsigned long m_tx_busy_count;
|
QSPIFLASHSIM m_flash;
|
QSPIFLASHSIM m_flash;
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SDSPISIM m_sdcard;
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SDSPISIM m_sdcard;
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SDRAMSIM m_sdram;
|
SDRAMSIM m_sdram;
|
unsigned m_last_led;
|
unsigned m_last_led, m_last_pic, m_last_tx_state;
|
time_t m_start_time;
|
time_t m_start_time;
|
bool m_last_writeout;
|
bool m_last_writeout;
|
UARTSIM m_uart;
|
UARTSIM m_uart;
|
|
int m_last_bus_owner, m_busy;
|
|
|
BUSMASTER_TB(void) : PIPECMDR(FPGAPORT), m_uart(FPGAPORT+1) {
|
BUSMASTER_TB(void) : PIPECMDR(FPGAPORT), m_uart(FPGAPORT+1) {
|
m_start_time = time(NULL);
|
m_start_time = time(NULL);
|
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m_last_pic = 0;
|
|
m_last_tx_state = 0;
|
}
|
}
|
|
|
void reset(void) {
|
void reset(void) {
|
m_core->i_clk = 1;
|
m_core->i_clk = 1;
|
m_core->eval();
|
m_core->eval();
|
}
|
}
|
|
|
void setsdcard(const char *fn) {
|
void setsdcard(const char *fn) {
|
m_sdcard.load(fn);
|
m_sdcard.load(fn);
|
|
|
printf("LOADING SDCARD FROM: \'%s\'\n", fn);
|
printf("LOADING SDCARD FROM: \'%s\'\n", fn);
|
}
|
}
|
|
|
void tick(void) {
|
void tick(void) {
|
int flash_miso, sdcard_miso;
|
int flash_miso, sdcard_miso;
|
|
|
if ((m_tickcount & ((1<<28)-1))==0) {
|
if ((m_tickcount & ((1<<28)-1))==0) {
|
double ticks_per_second = m_tickcount;
|
double ticks_per_second = m_tickcount;
|
time_t seconds_passed = time(NULL)-m_start_time;
|
time_t seconds_passed = time(NULL)-m_start_time;
|
if (seconds_passed != 0) {
|
if (seconds_passed != 0) {
|
ticks_per_second /= (double)(time(NULL) - m_start_time);
|
ticks_per_second /= (double)(time(NULL) - m_start_time);
|
printf(" ******** %.6f TICKS PER SECOND\n",
|
printf(" ******** %.6f TICKS PER SECOND\n",
|
ticks_per_second);
|
ticks_per_second);
|
}
|
}
|
}
|
}
|
|
|
// Set up the bus before any clock tick
|
// Set up the bus before any clock tick
|
m_core->i_clk = 1;
|
m_core->i_clk = 1;
|
flash_miso = (m_flash(m_core->o_sf_cs_n,
|
flash_miso = (m_flash(m_core->o_sf_cs_n,
|
m_core->o_spi_sck,
|
m_core->o_spi_sck,
|
m_core->o_spi_mosi)&0x02)?1:0;
|
m_core->o_spi_mosi)&0x02)?1:0;
|
sdcard_miso = m_sdcard(m_core->o_sd_cs_n, m_core->o_spi_sck,
|
sdcard_miso = m_sdcard(m_core->o_sd_cs_n, m_core->o_spi_sck,
|
m_core->o_spi_mosi);
|
m_core->o_spi_mosi);
|
|
|
if ((m_core->o_sf_cs_n)&&(m_core->o_sd_cs_n))
|
if ((m_core->o_sf_cs_n)&&(m_core->o_sd_cs_n))
|
m_core->i_spi_miso = 1;
|
m_core->i_spi_miso = 1;
|
else if ((!m_core->o_sf_cs_n)&&(m_core->o_sd_cs_n))
|
else if ((!m_core->o_sf_cs_n)&&(m_core->o_sd_cs_n))
|
m_core->i_spi_miso = flash_miso;
|
m_core->i_spi_miso = flash_miso;
|
else if ((m_core->o_sf_cs_n)&&(!m_core->o_sd_cs_n))
|
else if ((m_core->o_sf_cs_n)&&(!m_core->o_sd_cs_n))
|
m_core->i_spi_miso = sdcard_miso;
|
m_core->i_spi_miso = sdcard_miso;
|
else
|
else
|
assert((m_core->o_sf_cs_n)||(m_core->o_sd_cs_n));
|
assert((m_core->o_sf_cs_n)||(m_core->o_sd_cs_n));
|
|
|
m_core->i_ram_data = m_sdram(1,
|
m_core->i_ram_data = m_sdram(1,
|
m_core->o_ram_cke, m_core->o_ram_cs_n,
|
m_core->o_ram_cke, m_core->o_ram_cs_n,
|
m_core->o_ram_ras_n, m_core->o_ram_cas_n,
|
m_core->o_ram_ras_n, m_core->o_ram_cas_n,
|
m_core->o_ram_we_n, m_core->o_ram_bs,
|
m_core->o_ram_we_n, m_core->o_ram_bs,
|
m_core->o_ram_addr, m_core->o_ram_drive_data,
|
m_core->o_ram_addr, m_core->o_ram_drive_data,
|
m_core->o_ram_data);
|
m_core->o_ram_data);
|
|
|
m_core->i_rx_uart = m_uart(m_core->o_tx_uart,
|
m_core->i_rx_uart = m_uart(m_core->o_tx_uart,
|
m_core->v__DOT__serialport__DOT__r_setup);
|
m_core->v__DOT__serialport__DOT__r_setup);
|
PIPECMDR::tick();
|
PIPECMDR::tick();
|
|
|
|
// #define DEBUGGING_OUTPUT
|
|
#define XULA25
|
|
#ifdef DEBUGGING_OUTPUT
|
bool writeout = false;
|
bool writeout = false;
|
|
/*
|
|
if (m_core->v__DOT__sdram__DOT__r_pending)
|
|
writeout = true;
|
|
else if (m_core->v__DOT__sdram__DOT__bank_active[0])
|
|
writeout = true;
|
|
else if (m_core->v__DOT__sdram__DOT__bank_active[1])
|
|
writeout = true;
|
|
else if (m_core->v__DOT__sdram__DOT__bank_active[2])
|
|
writeout = true;
|
|
else if (m_core->v__DOT__sdram__DOT__bank_active[3])
|
|
writeout = true;
|
|
*/
|
|
|
|
if ((m_core->v__DOT__wbu_cyc)&&(!m_core->v__DOT__wbu_we))
|
|
writeout = true;
|
|
/*
|
|
if ((m_core->v__DOT__wbu_cyc)&&(!m_core->v__DOT__wbu_we))
|
|
writeout = true;
|
|
if (m_core->v__DOT__genbus__DOT__exec_stb)
|
|
writeout = true;
|
|
*/
|
|
|
|
if ((m_core->v__DOT__zippy__DOT__thecpu__DOT__instruction_decoder__DOT__genblk3__DOT__r_early_branch)
|
|
&&(m_core->v__DOT__zippy__DOT__thecpu__DOT__instruction == 0x7883ffff))
|
|
m_busy+=2;
|
|
else if (m_busy > 0) m_busy--;
|
|
#define v__DOT__wb_addr v__DOT__dwb_addr
|
|
#define v__DOT__dwb_stall v__DOT__wb_stall
|
|
#define v__DOT__dwb_ack v__DOT__wb_ack
|
|
#define v__DOT__wb_cyc v__DOT__dwb_cyc
|
|
#define v__DOT__wb_stb v__DOT__dwb_stb
|
|
#define v__DOT__wb_we v__DOT__dwb_we
|
|
#define v__DOT__dwb_idata v__DOT__wb_idata
|
|
#define v__DOT__wb_data v__DOT__dwb_odata
|
|
|
|
if ((!m_core->v__DOT__zippy__DOT__cmd_halt)
|
|
&&(!m_core->v__DOT__zippy__DOT__thecpu__DOT__sleep))
|
|
writeout = true;
|
|
// if (m_core->v__DOT__uart_tx_int)
|
|
// writeout = true;
|
|
#ifdef XULA25
|
|
if (m_core->v__DOT__zippy__DOT__genblk10__DOT__pic__DOT__r_any)
|
|
writeout = true;
|
|
#endif
|
|
|
|
#ifdef XULA25
|
|
unsigned this_pic = ((m_core->v__DOT__zippy__DOT__genblk10__DOT__pic__DOT__r_int_enable)<<16) |
|
|
(m_core->v__DOT__zippy__DOT__genblk10__DOT__pic__DOT__r_int_state);
|
|
#else
|
|
unsigned this_pic = 0;
|
|
#endif
|
|
|
|
// if (this_pic != m_last_pic)
|
|
// writeout = true;
|
|
unsigned tx_state = ((m_core->v__DOT__serialport__DOT__txmod__DOT__zero_baud_counter)<<20)
|
|
|((m_core->v__DOT__serialport__DOT__txmod__DOT__r_busy)<<16)
|
|
|((m_core->v__DOT__serialport__DOT__txmod__DOT__lcl_data)<<8)
|
|
|((m_core->v__DOT__serialport__DOT__txmod__DOT__baud_counter&0x0f)<<4)
|
|
|(m_core->v__DOT__serialport__DOT__txmod__DOT__state);
|
|
if (tx_state != m_last_tx_state)
|
|
writeout = true;
|
|
int bus_owner = m_core->v__DOT__wbu_zip_arbiter__DOT__r_a_owner;
|
|
bus_owner |= (m_core->v__DOT__wbu_cyc)?2:0;
|
|
bus_owner |= (m_core->v__DOT__dwb_cyc)?4:0;
|
|
bus_owner |= (m_core->v__DOT__wb_cyc)?8:0;
|
|
bus_owner |= (m_core->v__DOT__wb_cyc)?16:0;
|
|
bus_owner |= (m_core->v__DOT__wbu_stb)?32:0;
|
|
bus_owner |= (m_core->v__DOT__zippy__DOT__thecpu__DOT__mem_stb_gbl)?64:0;
|
|
bus_owner |= (m_core->v__DOT__wb_stb)?128:0;
|
|
bus_owner |= (m_core->v__DOT____Vcellinp__wbu_zip_arbiter____pinNumber10)?256:0;
|
|
#ifdef XULA25
|
|
bus_owner |= (m_core->v__DOT__zippy__DOT__ext_cyc)?512:0;
|
|
#endif
|
|
if (bus_owner != m_last_bus_owner)
|
|
writeout = true;
|
|
/*
|
|
writeout = (writeout)||(m_core->i_rx_stb)
|
|
||((m_core->o_tx_stb)&&(!m_core->i_tx_busy));
|
|
writeout = (writeout)||(m_core->v__DOT____Vcellinp__genbus____pinNumber9);
|
|
writeout = (writeout)||(m_core->v__DOT__wb_stb);
|
|
writeout = (writeout)||(m_core->v__DOT__wb_err);
|
|
*/
|
|
|
if ((writeout)||(m_last_writeout)) {
|
if ((writeout)||(m_last_writeout)) {
|
|
m_last_bus_owner = bus_owner;
|
|
m_last_pic = this_pic;
|
|
m_last_tx_state = tx_state;
|
printf("%08lx:", m_tickcount);
|
printf("%08lx:", m_tickcount);
|
|
|
|
/*
|
|
printf("%d/%02x %d/%02x%s ",
|
|
m_core->i_rx_stb, m_core->i_rx_data,
|
|
m_core->o_tx_stb, m_core->o_tx_data,
|
|
m_core->i_tx_busy?"/BSY":" ");
|
|
*/
|
|
|
|
printf("(%d/%d,%d/%d->%d),(%c:%d,%d->%d)|%c[%08x/%08x]@%08x %c%c%c",
|
|
m_core->v__DOT__wbu_cyc,
|
|
m_core->v__DOT____Vcellinp__wbu_zip_arbiter____pinNumber10,
|
|
m_core->v__DOT__dwb_cyc, // was zip_cyc
|
|
#ifdef XULA25
|
|
(m_core->v__DOT__zippy__DOT__ext_cyc),
|
|
#else
|
|
0,
|
|
#endif
|
|
m_core->v__DOT__wb_cyc,
|
|
//
|
|
m_core->v__DOT__wbu_zip_arbiter__DOT__r_a_owner?'Z':'j',
|
|
m_core->v__DOT__wbu_stb,
|
|
// 0, // m_core->v__DOT__dwb_stb, // was zip_stb
|
|
m_core->v__DOT__zippy__DOT__thecpu__DOT__mem_stb_gbl,
|
|
m_core->v__DOT__wb_stb,
|
|
//
|
|
(m_core->v__DOT__wb_we)?'W':'R',
|
|
m_core->v__DOT__wb_data,
|
|
m_core->v__DOT__dwb_idata,
|
|
m_core->v__DOT__wb_addr,
|
|
(m_core->v__DOT__dwb_ack)?'A':
|
|
(m_core->v__DOT____Vcellinp__genbus____pinNumber9)?'a':' ',
|
|
(m_core->v__DOT__dwb_stall)?'S':
|
|
(m_core->v__DOT____Vcellinp__genbus____pinNumber10)?'s':' ',
|
|
(m_core->v__DOT__wb_err)?'E':'.');
|
|
|
|
/*
|
|
// UART-Wishbone bus converter debug lines
|
|
printf(" RUNWB %d:%09lx %d@0x%08x %3x %3x %d %d/%d/%d %d:%09lx",
|
|
m_core->v__DOT__genbus__DOT__fifo_in_stb,
|
|
m_core->v__DOT__genbus__DOT__fifo_in_word,
|
|
m_core->v__DOT__genbus__DOT__runwb__DOT__wb_state,
|
|
m_core->v__DOT__wbu_addr,
|
|
m_core->v__DOT__genbus__DOT__runwb__DOT__r_len,
|
|
m_core->v__DOT__genbus__DOT__runwb__DOT__r_acks_needed,
|
|
m_core->v__DOT__genbus__DOT__runwb__DOT__w_eow,
|
|
m_core->v__DOT__genbus__DOT__runwb__DOT__last_read_request,
|
|
m_core->v__DOT__genbus__DOT__runwb__DOT__last_ack,
|
|
m_core->v__DOT__genbus__DOT__runwb__DOT__zero_acks,
|
|
m_core->v__DOT__genbus__DOT__exec_stb,
|
|
m_core->v__DOT__genbus__DOT__exec_word);
|
|
*/
|
|
|
|
/*
|
|
// UART-Wishbone bus converter debug lines
|
|
printf(" WBU[%d,%3d,%3d]",
|
|
m_core->v__DOT__genbus__DOT__runwb__DOT__wb_state,
|
|
m_core->v__DOT__genbus__DOT__runwb__DOT__r_len,
|
|
m_core->v__DOT__genbus__DOT__runwb__DOT__r_acks_needed);
|
|
*/
|
|
|
|
/*
|
|
// SDRAM debug lines
|
|
printf("%c[%d%d%d%d,%d:%04x%c]@%06x(%d) ->%06x%c",
|
|
(m_core->v__DOT__sdram_sel)?'!':' ',
|
|
m_core->o_ram_cs_n, m_core->o_ram_ras_n,
|
|
m_core->o_ram_cas_n, m_core->o_ram_we_n,
|
|
m_core->o_ram_bs, m_core->o_ram_data,
|
|
(m_core->o_ram_drive_data)?'D':'-',
|
|
m_core->o_ram_addr,
|
|
(m_core->o_ram_addr>>10)&1,
|
|
m_core->i_ram_data,
|
|
(m_core->o_ram_drive_data)?'-':'V');
|
|
|
|
printf(" SD[%d,%d-%3x%d]",
|
|
m_core->v__DOT__sdram__DOT__r_state,
|
|
m_sdram.pwrup(),
|
|
m_core->v__DOT__sdram__DOT__refresh_clk,
|
|
m_core->v__DOT__sdram__DOT__need_refresh);
|
|
|
|
printf(" BNK[%d:%6x,%d:%6x,%d:%6x,%d:%6x],%x%d",
|
|
m_core->v__DOT__sdram__DOT__bank_active[0],
|
|
m_core->v__DOT__sdram__DOT__bank_row[0],
|
|
m_core->v__DOT__sdram__DOT__bank_active[1],
|
|
m_core->v__DOT__sdram__DOT__bank_row[1],
|
|
m_core->v__DOT__sdram__DOT__bank_active[2],
|
|
m_core->v__DOT__sdram__DOT__bank_row[2],
|
|
m_core->v__DOT__sdram__DOT__bank_active[3],
|
|
m_core->v__DOT__sdram__DOT__bank_row[3],
|
|
m_core->v__DOT__sdram__DOT__clocks_til_idle,
|
|
m_core->v__DOT__sdram__DOT__r_barrell_ack);
|
|
|
|
printf(" %s%s%c[%08x@%06x]",
|
|
(m_core->v__DOT__sdram__DOT__bus_cyc)?"C":" ",
|
|
(m_core->v__DOT__sdram__DOT__r_pending)?"PND":" ",
|
|
(m_core->v__DOT__sdram__DOT__r_we)?'W':'R',
|
|
(m_core->v__DOT__sdram__DOT__r_we)
|
|
?(m_core->v__DOT__sdram__DOT__r_data)
|
|
:(m_core->v__DOT__sdram_data),
|
|
(m_core->v__DOT__sdram__DOT__r_addr));
|
|
*/
|
|
|
|
// CPU Pipeline debugging
|
|
printf("%s%s%s%s%s%s%s%s%s%s%s",
|
|
// (m_core->v__DOT__zippy__DOT__dbg_ack)?"A":"-",
|
|
// (m_core->v__DOT__zippy__DOT__dbg_stall)?"S":"-",
|
|
// (m_core->v__DOT__zippy__DOT__sys_dbg_cyc)?"D":"-",
|
|
(m_core->v__DOT__zippy__DOT__cpu_lcl_cyc)?"L":"-",
|
|
(m_core->v__DOT__zippy__DOT__thecpu__DOT__r_halted)?"Z":"-",
|
|
(m_core->v__DOT__zippy__DOT__cpu_break)?"!":"-",
|
|
(m_core->v__DOT__zippy__DOT__cmd_halt)?"H":"-",
|
|
(m_core->v__DOT__zippy__DOT__thecpu__DOT__gie)?"G":"-",
|
|
(m_core->v__DOT__zippy__DOT__thecpu__DOT__pf_cyc)?"P":"-",
|
|
(m_core->v__DOT__zippy__DOT__thecpu__DOT__pf_valid)?"V":"-",
|
|
(m_core->v__DOT__zippy__DOT__thecpu__DOT__pf_illegal)?"i":" ",
|
|
(m_core->v__DOT__zippy__DOT__thecpu__DOT__new_pc)?"N":"-",
|
|
(m_core->v__DOT__zippy__DOT__thecpu__DOT__domem__DOT__r_wb_cyc_gbl)?"G":"-",
|
|
(m_core->v__DOT__zippy__DOT__thecpu__DOT__domem__DOT__r_wb_cyc_lcl)?"L":"-");
|
|
printf("|%s%s%s%s%s%s",
|
|
(m_core->v__DOT__zippy__DOT__thecpu__DOT__r_dcdvalid)?"D":"-",
|
|
(dcd_ce())?"d":"-",
|
|
"x", // (m_core->v__DOT__zippy__DOT__thecpu__DOT__dcdA_stall)?"A":"-",
|
|
"x", // (m_core->v__DOT__zippy__DOT__thecpu__DOT__dcdB_stall)?"B":"-",
|
|
"x", // (m_core->v__DOT__zippy__DOT__thecpu__DOT__dcdF_stall)?"F":"-",
|
|
(m_core->v__DOT__zippy__DOT__thecpu__DOT__dcd_illegal)?"i":"-");
|
|
|
|
printf("|%s%s%s%s%s%s%s%s%s%s",
|
|
(m_core->v__DOT__zippy__DOT__thecpu__DOT__opvalid)?"O":"-",
|
|
(m_core->v__DOT__zippy__DOT__thecpu__DOT__op_ce)?"k":"-",
|
|
(m_core->v__DOT__zippy__DOT__thecpu__DOT__op_stall)?"s":"-",
|
|
(m_core->v__DOT__zippy__DOT__thecpu__DOT__op_illegal)?"i":"-",
|
|
(m_core->v__DOT__zippy__DOT__thecpu__DOT__op_break)?"B":"-",
|
|
(m_core->v__DOT__zippy__DOT__thecpu__DOT__genblk5__DOT__r_op_lock)?"L":"-",
|
|
(m_core->v__DOT__zippy__DOT__thecpu__DOT__r_op_pipe)?"P":"-",
|
|
(m_core->v__DOT__zippy__DOT__thecpu__DOT__break_pending)?"p":"-",
|
|
(m_core->v__DOT__zippy__DOT__thecpu__DOT__op_gie)?"G":"-",
|
|
(m_core->v__DOT__zippy__DOT__thecpu__DOT__opvalid_alu)?"A":"-");
|
|
printf("|%s%s%s%s%s",
|
|
(m_core->v__DOT__zippy__DOT__thecpu__DOT__alu_ce)?"a":"-",
|
|
(m_core->v__DOT__zippy__DOT__thecpu__DOT__alu_stall)?"s":"-",
|
|
(m_core->v__DOT__zippy__DOT__thecpu__DOT__doalu__DOT__genblk2__DOT__r_busy)?"B":"-",
|
|
(m_core->v__DOT__zippy__DOT__thecpu__DOT__alu_gie)?"G":"-",
|
|
(m_core->v__DOT__zippy__DOT__thecpu__DOT__r_alu_illegal)?"i":"-");
|
|
printf("|%s%s%s%2x %s%s%s %2d %2d",
|
|
(m_core->v__DOT__zippy__DOT__thecpu__DOT__opvalid_mem)?"M":"-",
|
|
(m_core->v__DOT__zippy__DOT__thecpu__DOT__mem_ce)?"m":"-",
|
|
(m_core->v__DOT__zippy__DOT__thecpu__DOT__adf_ce_unconditional)?"!":"-",
|
|
(m_core->v__DOT__zippy__DOT__cmd_addr),
|
|
(m_core->v__DOT__zippy__DOT__thecpu__DOT__bus_err)?"BE":" ",
|
|
(m_core->v__DOT__zippy__DOT__thecpu__DOT__ibus_err_flag)?"IB":" ",
|
|
(m_core->v__DOT__zippy__DOT__thecpu__DOT__ubus_err_flag)?"UB":" ",
|
|
m_core->v__DOT__zippy__DOT__thecpu__DOT__domem__DOT__rdaddr,
|
|
m_core->v__DOT__zippy__DOT__thecpu__DOT__domem__DOT__wraddr);
|
|
#ifdef XULA25
|
|
printf("|%s%s",
|
|
(m_core->v__DOT__zippy__DOT__thecpu__DOT__div_busy)?"D":"-",
|
|
(m_core->v__DOT__zippy__DOT__thecpu__DOT__div_error)?"E":"-");
|
|
#endif
|
|
printf("|%s%s[%2x]%08x",
|
|
(m_core->v__DOT__zippy__DOT__thecpu__DOT__wr_reg_ce)?"W":"-",
|
|
(m_core->v__DOT__zippy__DOT__thecpu__DOT__wr_flags_ce)?"F":"-",
|
|
m_core->v__DOT__zippy__DOT__thecpu__DOT__wr_reg_id,
|
|
m_core->v__DOT__zippy__DOT__thecpu__DOT__wr_gpreg_vl);
|
|
|
|
// Program counter debugging
|
|
printf(" PC0x%08x/%08x/%08x-%08x %s0x%08x",
|
|
m_core->v__DOT__zippy__DOT__thecpu__DOT__pf_pc,
|
|
m_core->v__DOT__zippy__DOT__thecpu__DOT__ipc,
|
|
m_core->v__DOT__zippy__DOT__thecpu__DOT__upc,
|
|
m_core->v__DOT__zippy__DOT__thecpu__DOT__instruction,
|
|
(m_core->v__DOT__zippy__DOT__thecpu__DOT__instruction_decoder__DOT__genblk3__DOT__r_early_branch)?"EB":" ",
|
|
m_core->v__DOT__zippy__DOT__thecpu__DOT__instruction_decoder__DOT__genblk3__DOT__r_branch_pc
|
|
);
|
|
// More in-depth
|
|
printf("[%c%08x,%c%08x,%c%08x]",
|
|
(m_core->v__DOT__zippy__DOT__thecpu__DOT__r_dcdvalid)?'D':'-',
|
|
m_core->v__DOT__zippy__DOT__thecpu__DOT__dcd_pc,
|
|
(m_core->v__DOT__zippy__DOT__thecpu__DOT__opvalid)?'O':'-',
|
|
m_core->v__DOT__zippy__DOT__thecpu__DOT__op_pc,
|
|
(m_core->v__DOT__zippy__DOT__thecpu__DOT__alu_valid)?'A':'-',
|
|
m_core->v__DOT__zippy__DOT__thecpu__DOT__alu_pc);
|
|
|
|
#ifdef XULA25
|
|
// Prefetch debugging
|
|
printf(" [PC%08x,LST%08x]->[%d%s%s](%d,%08x/%08x)->%08x@%08x",
|
|
m_core->v__DOT__zippy__DOT__thecpu__DOT__pf_pc,
|
|
m_core->v__DOT__zippy__DOT__thecpu__DOT__pf__DOT__lastpc,
|
|
m_core->v__DOT__zippy__DOT__thecpu__DOT__pf__DOT__rvsrc,
|
|
(m_core->v__DOT__zippy__DOT__thecpu__DOT__pf__DOT__rvsrc)
|
|
?((m_core->v__DOT__zippy__DOT__thecpu__DOT__pf__DOT__r_v_from_pc)?"P":" ")
|
|
:((m_core->v__DOT__zippy__DOT__thecpu__DOT__pf__DOT__r_v_from_pc)?"p":" "),
|
|
(!m_core->v__DOT__zippy__DOT__thecpu__DOT__pf__DOT__rvsrc)
|
|
?((m_core->v__DOT__zippy__DOT__thecpu__DOT__pf__DOT__r_v_from_last)?"l":" ")
|
|
:((m_core->v__DOT__zippy__DOT__thecpu__DOT__pf__DOT__r_v_from_last)?"L":" "),
|
|
m_core->v__DOT__zippy__DOT__thecpu__DOT__pf__DOT__isrc,
|
|
m_core->v__DOT__zippy__DOT__thecpu__DOT__pf__DOT__r_pc_cache,
|
|
m_core->v__DOT__zippy__DOT__thecpu__DOT__pf__DOT__r_last_cache,
|
|
m_core->v__DOT__zippy__DOT__thecpu__DOT__instruction,
|
|
m_core->v__DOT__zippy__DOT__thecpu__DOT__instruction_pc);
|
|
#else
|
|
printf(" [PC%08x,R%08x]%s%s%s",
|
|
m_core->v__DOT__zippy__DOT__thecpu__DOT__pf_pc,
|
|
m_core->v__DOT__zippy__DOT__thecpu__DOT__pf__DOT__r_addr,
|
|
(m_core->v__DOT__zippy__DOT__thecpu__DOT__pf__DOT__w_pc_out_of_bounds)?"OOB":" ",
|
|
(m_core->v__DOT__zippy__DOT__thecpu__DOT__pf__DOT__w_running_out_of_cache)?"RUN":" ",
|
|
(m_core->v__DOT__zippy__DOT__thecpu__DOT__pf__DOT__w_ran_off_end_of_cache)?"END":" ");
|
|
#endif
|
|
|
|
// Decode Stage debugging
|
|
// (nothing)
|
|
|
|
// Op Stage debugging
|
|
printf(" Op(%02x,%02x->%02x)",
|
|
m_core->v__DOT__zippy__DOT__thecpu__DOT__dcdOp,
|
|
m_core->v__DOT__zippy__DOT__thecpu__DOT__opn,
|
|
m_core->v__DOT__zippy__DOT__thecpu__DOT__opR);
|
|
|
|
printf(" %s[%02x]=%08x(%08x)",
|
|
m_core->v__DOT__zippy__DOT__thecpu__DOT__wr_reg_ce?"WR":"--",
|
|
m_core->v__DOT__zippy__DOT__thecpu__DOT__wr_reg_id,
|
|
m_core->v__DOT__zippy__DOT__thecpu__DOT__wr_gpreg_vl,
|
|
#ifdef XULA25
|
|
m_core->v__DOT__zippy__DOT__thecpu__DOT__wr_spreg_vl
|
|
#else
|
|
0
|
|
#endif
|
|
);
|
|
printf(" Rid=(%d|%d)?%02x:%02x",
|
|
m_core->v__DOT__zippy__DOT__thecpu__DOT__alu_wr,
|
|
#ifdef XULA25
|
|
m_core->v__DOT__zippy__DOT__thecpu__DOT__div_valid,
|
|
#else
|
|
0,
|
|
#endif
|
|
m_core->v__DOT__zippy__DOT__thecpu__DOT__alu_reg,
|
|
m_core->v__DOT__zippy__DOT__thecpu__DOT__mem_wreg);
|
|
|
|
// domem, the pipelined memory unit debugging
|
|
printf(" M[%s@0x%08x]",
|
|
(m_core->v__DOT__zippy__DOT__thecpu__DOT__opvalid_mem)
|
|
?((m_core->v__DOT__zippy__DOT__thecpu__DOT__opn&1)?"W":"R")
|
|
:"-",
|
|
#ifdef XULA25
|
|
m_core->v__DOT__zippy__DOT__cpu_addr
|
|
#else
|
|
0
|
|
#endif
|
|
);
|
|
printf("%s%s",
|
|
(m_core->v__DOT__zippy__DOT__thecpu__DOT__domem__DOT__cyc)?"B":"-",
|
|
(m_core->v__DOT__zippy__DOT__thecpu__DOT__mem_rdbusy)?"r":"-");
|
|
/*
|
|
printf(" %s-%s %04x/%04x",
|
|
(m_core->v__DOT__zippy__DOT__genblk10__DOT__pic__DOT__r_any)?"PIC":"pic",
|
|
(m_core->v__DOT__zippy__DOT__genblk10__DOT__pic__DOT__r_gie)?"INT":"( )",
|
|
m_core->v__DOT__zippy__DOT__genblk10__DOT__pic__DOT__r_int_enable,
|
|
m_core->v__DOT__zippy__DOT__genblk10__DOT__pic__DOT__r_int_state);
|
|
*/
|
|
|
|
|
|
printf(" %s",
|
|
(m_core->v__DOT__zippy__DOT__thecpu__DOT__cc_invalid_for_dcd)?"CCI":" ");
|
|
/*
|
|
// Illegal instruction debugging
|
|
printf(" ILL[%s%s%s%s%s%s]",
|
|
(m_core->v__DOT__zippy__DOT__thecpu__DOT__pf_err)?"WB":" ",
|
|
(m_core->v__DOT__zippy__DOT__thecpu__DOT__pf_illegal)?"PF":" ",
|
|
(m_core->v__DOT__zippy__DOT__thecpu__DOT__dcd_illegal)?"DCD":" ",
|
|
(m_core->v__DOT__zippy__DOT__thecpu__DOT__op_illegal)?"OP":" ",
|
|
(m_core->v__DOT__zippy__DOT__thecpu__DOT__r_alu_illegal)?"ALU":" ",
|
|
(m_core->v__DOT__zippy__DOT__thecpu__DOT__ill_err_u)?"ILL":" ");
|
|
|
|
*/
|
|
|
|
/*
|
|
printf(" UART%08x/%d-%08x", m_last_tx_state,
|
|
m_core->v__DOT__serialport__DOT__txmod__DOT__zero_baud_counter,
|
|
m_core->v__DOT__serialport__DOT__txmod__DOT__baud_counter);
|
|
*/
|
|
|
|
// Debug some conditions
|
|
if (m_core->v__DOT__zippy__DOT__thecpu__DOT__ubreak)
|
|
printf(" BREAK");
|
|
// if (m_core->v__DOT__zippy__DOT__thecpu__DOT__w_switch_to_interrupt)
|
|
// printf(" TO-INT");
|
|
#ifdef XULA25
|
|
if (m_core->v__DOT__zippy__DOT__genblk10__DOT__pic__DOT__r_interrupt)
|
|
printf(" INTERRUPT");
|
|
#endif
|
|
|
|
/*
|
|
printf(" SDSPI[%d,%d(%d),(%d)]",
|
|
m_core->v__DOT__sdcard_controller__DOT__r_cmd_busy,
|
|
m_core->v__DOT__sdcard_controller__DOT__r_sdspi_clk,
|
|
m_core->v__DOT__sdcard_controller__DOT__r_cmd_state,
|
|
m_core->v__DOT__sdcard_controller__DOT__r_rsp_state);
|
|
printf(" LL[%d,%2x->CK=%d/%2x,%s,ST=%2d,TX=%2x,RX=%2x->%d,%2x] ",
|
|
m_core->v__DOT__sdcard_controller__DOT__ll_cmd_stb,
|
|
m_core->v__DOT__sdcard_controller__DOT__ll_cmd_dat,
|
|
m_core->v__DOT__sdcard_controller__DOT__lowlevel__DOT__r_z_counter,
|
|
// (m_core->v__DOT__sdcard_controller__DOT__lowlevel__DOT__r_clk_counter==0)?1:0,
|
|
m_core->v__DOT__sdcard_controller__DOT__lowlevel__DOT__r_clk_counter,
|
|
(m_core->v__DOT__sdcard_controller__DOT__lowlevel__DOT__r_idle)?"IDLE":" ",
|
|
m_core->v__DOT__sdcard_controller__DOT__lowlevel__DOT__r_state,
|
|
m_core->v__DOT__sdcard_controller__DOT__lowlevel__DOT__r_byte,
|
|
m_core->v__DOT__sdcard_controller__DOT__lowlevel__DOT__r_ireg,
|
|
m_core->v__DOT__sdcard_controller__DOT__ll_out_stb,
|
|
m_core->v__DOT__sdcard_controller__DOT__ll_out_dat
|
|
);
|
|
printf(" CRC=%02x/%2d",
|
|
m_core->v__DOT__sdcard_controller__DOT__r_cmd_crc,
|
|
m_core->v__DOT__sdcard_controller__DOT__r_cmd_crc_cnt);
|
|
printf(" SPI(%d,%d,%d/%d,%d)->?",
|
|
m_core->o_sf_cs_n,
|
|
m_core->o_sd_cs_n,
|
|
m_core->o_spi_sck, m_core->v__DOT__sdcard_sck,
|
|
m_core->o_spi_mosi);
|
|
|
|
printf(" CK=%d,LN=%d",
|
|
m_core->v__DOT__sdcard_controller__DOT__r_sdspi_clk,
|
|
m_core->v__DOT__sdcard_controller__DOT__r_lgblklen);
|
|
|
|
|
|
if (m_core->v__DOT__sdcard_controller__DOT__r_use_fifo){
|
|
printf(" FIFO");
|
|
if (m_core->v__DOT__sdcard_controller__DOT__r_fifo_wr)
|
|
printf("-WR(%04x,%d,%d,%d)",
|
|
m_core->v__DOT__sdcard_controller__DOT__fifo_rd_crc_reg,
|
|
m_core->v__DOT__sdcard_controller__DOT__fifo_rd_crc_stb,
|
|
m_core->v__DOT__sdcard_controller__DOT__ll_fifo_pkt_state,
|
|
m_core->v__DOT__sdcard_controller__DOT__r_have_data_response_token);
|
|
else
|
|
printf("-RD(%04x,%d,%d,%d)",
|
|
m_core->v__DOT__sdcard_controller__DOT__fifo_wr_crc_reg,
|
|
m_core->v__DOT__sdcard_controller__DOT__fifo_wr_crc_stb,
|
|
m_core->v__DOT__sdcard_controller__DOT__ll_fifo_wr_state,
|
|
m_core->v__DOT__sdcard_controller__DOT__ll_fifo_wr_complete
|
|
);
|
|
}
|
|
|
|
if (m_core->v__DOT__sdcard_controller__DOT__ll_fifo_rd)
|
|
printf(" LL-RD");
|
|
if (m_core->v__DOT__sdcard_controller__DOT__ll_fifo_wr)
|
|
printf(" LL-WR");
|
|
if (m_core->v__DOT__sdcard_controller__DOT__r_have_start_token)
|
|
printf(" START-TOK");
|
|
printf(" %3d/%02x",
|
|
m_core->v__DOT__sdcard_controller__DOT__ll_fifo_addr,
|
|
m_core->v__DOT__sdcard_controller__DOT__fifo_byte&0x0ff);
|
|
*/
|
|
|
|
|
|
/*
|
|
printf(" DMAC[%d]: %08x/%08x/%08x(%03x) -- (%d,%d,%c)%c%c:@%08x-[%4d,%4d/%4d,%4d-#%4d]%08x",
|
|
m_core->v__DOT__zippy__DOT__dma_controller__DOT__dma_state,
|
|
m_core->v__DOT__zippy__DOT__dma_controller__DOT__cfg_waddr,
|
|
m_core->v__DOT__zippy__DOT__dma_controller__DOT__cfg_raddr,
|
|
m_core->v__DOT__zippy__DOT__dma_controller__DOT__cfg_len,
|
|
m_core->v__DOT__zippy__DOT__dma_controller__DOT__cfg_blocklen_sub_one,
|
|
m_core->v__DOT__zippy__DOT__dc_cyc,
|
|
// m_core->v__DOT__zippy__DOT__dc_stb,
|
|
(m_core->v__DOT__zippy__DOT__dma_controller__DOT__dma_state == 2)?1:0,
|
|
|
|
((m_core->v__DOT__zippy__DOT__dma_controller__DOT__dma_state == 4)
|
|
||(m_core->v__DOT__zippy__DOT__dma_controller__DOT__dma_state == 5)
|
|
||(m_core->v__DOT__zippy__DOT__dma_controller__DOT__dma_state == 6))?'W':'R',
|
|
//(m_core->v__DOT__zippy__DOT__dc_we)?'W':'R',
|
|
(m_core->v__DOT__zippy__DOT__dc_ack)?'A':' ',
|
|
(m_core->v__DOT__zippy__DOT__dc_stall)?'S':' ',
|
|
m_core->v__DOT__zippy__DOT__dc_addr,
|
|
m_core->v__DOT__zippy__DOT__dma_controller__DOT__rdaddr,
|
|
m_core->v__DOT__zippy__DOT__dma_controller__DOT__nread,
|
|
m_core->v__DOT__zippy__DOT__dma_controller__DOT__nracks,
|
|
m_core->v__DOT__zippy__DOT__dma_controller__DOT__nwacks,
|
|
m_core->v__DOT__zippy__DOT__dma_controller__DOT__nwritten,
|
|
m_core->v__DOT__zippy__DOT__dc_data);
|
|
|
|
printf(" %08x-PIC%08x",
|
|
m_core->v__DOT__zippy__DOT__main_int_vector,
|
|
m_core->v__DOT__zippy__DOT__pic_data);
|
|
*/
|
|
|
printf("\n"); fflush(stdout);
|
printf("\n"); fflush(stdout);
|
} m_last_writeout = writeout;
|
} m_last_writeout = writeout;
|
|
|
|
int writing_to_uart;
|
|
writing_to_uart = (m_core->v__DOT__wb_stb)
|
|
&&(m_core->v__DOT__wb_addr == 0x010b)
|
|
&&(m_core->v__DOT__wb_we);
|
|
if (writing_to_uart) {
|
|
printf("SENT-TO-UART: %02x %c\n",
|
|
(m_core->v__DOT__wb_data & 0x0ff),
|
|
isgraph(m_core->v__DOT__wb_data&0x0ff)
|
|
? m_core->v__DOT__wb_data&0x0ff
|
|
: '.');
|
|
assert((m_core->v__DOT__wb_data & (~0xff))==0);
|
|
}
|
|
#endif // DEBUGGING_OUTPUT
|
|
}
|
|
|
|
bool dcd_ce(void) {
|
|
if (!m_core->v__DOT__zippy__DOT__thecpu__DOT__r_dcdvalid)
|
|
return true;
|
|
if (!m_core->v__DOT__zippy__DOT__thecpu__DOT__op_stall)
|
|
return true;
|
|
return false;
|
}
|
}
|
|
|
};
|
};
|
|
|
BUSMASTER_TB *tb;
|
BUSMASTER_TB *tb;
|
|
|
void busmaster_kill(int v) {
|
void busmaster_kill(int v) {
|
tb->kill();
|
tb->kill();
|
fprintf(stderr, "KILLED!!\n");
|
fprintf(stderr, "KILLED!!\n");
|
exit(0);
|
exit(0);
|
}
|
}
|
|
|
int main(int argc, char **argv) {
|
int main(int argc, char **argv) {
|
Verilated::commandArgs(argc, argv);
|
Verilated::commandArgs(argc, argv);
|
tb = new BUSMASTER_TB;
|
tb = new BUSMASTER_TB;
|
|
|
// signal(SIGINT, busmaster_kill);
|
// signal(SIGINT, busmaster_kill);
|
|
|
tb->reset();
|
tb->reset();
|
if (argc > 1)
|
if (argc > 1)
|
tb->setsdcard(argv[1]);
|
tb->setsdcard(argv[1]);
|
else
|
else
|
tb->setsdcard("/dev/zero");
|
tb->setsdcard("/dev/zero");
|
|
|
while(1)
|
while(1)
|
tb->tick();
|
tb->tick();
|
|
|
exit(0);
|
exit(0);
|
}
|
}
|
|
|
|
|
