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Consolidate VHPI code

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We had many copies of the VHPI marshalling/unmarshalling code.

Signed-off-by: Anton Blanchard <anton@linux.ibm.com>
jtag-port
Anton Blanchard 4 years ago committed by Anton Blanchard
parent 6a9bc46fcb
commit 471c7e2197
6 changed files with 109 additions and 189 deletions
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20
Makefile
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@ -88,17 +88,17 @@ fpga/soc_reset_tb.o: fpga/soc_reset.o
soc_reset_tb: fpga/soc_reset_tb.o fpga/soc_reset.o
$(GHDL) -e $(GHDLFLAGS) --workdir=fpga soc_reset_tb

core_tb: core_tb.o sim_bram_helpers_c.o sim_console_c.o sim_jtag_socket_c.o
$(GHDL) -e $(GHDLFLAGS) -Wl,sim_bram_helpers_c.o -Wl,sim_console_c.o -Wl,sim_jtag_socket_c.o $@
core_tb: core_tb.o sim_vhpi_c.o sim_bram_helpers_c.o sim_console_c.o sim_jtag_socket_c.o
$(GHDL) -e $(GHDLFLAGS) -Wl,sim_vhpi_c.o -Wl,sim_bram_helpers_c.o -Wl,sim_console_c.o -Wl,sim_jtag_socket_c.o $@

fetch_tb: fetch_tb.o
$(GHDL) -e $(GHDLFLAGS) $@

icache_tb: icache_tb.o
$(GHDL) -e $(GHDLFLAGS) -Wl,sim_bram_helpers_c.o $@
icache_tb: icache_tb.o sim_vhpi_c.o sim_bram_helpers_c.o
$(GHDL) -e $(GHDLFLAGS) -Wl,sim_vhpi_c.o -Wl,sim_bram_helpers_c.o $@

dcache_tb: dcache_tb.o
$(GHDL) -e $(GHDLFLAGS) -Wl,sim_bram_helpers_c.o $@
dcache_tb: dcache_tb.o sim_vhpi_c.o sim_bram_helpers_c.o
$(GHDL) -e $(GHDLFLAGS) -Wl,sim_vhpi_c.o -Wl,sim_bram_helpers_c.o $@

plru_tb: plru_tb.o
$(GHDL) -e $(GHDLFLAGS) $@
@ -121,11 +121,11 @@ countzero_tb: countzero_tb.o
simple_ram_tb: simple_ram_tb.o
$(GHDL) -e $(GHDLFLAGS) $@

wishbone_bram_tb: sim_bram_helpers_c.o wishbone_bram_tb.o
$(GHDL) -e $(GHDLFLAGS) -Wl,sim_bram_helpers_c.o $@
wishbone_bram_tb: sim_vhpi_c.o sim_bram_helpers_c.o wishbone_bram_tb.o
$(GHDL) -e $(GHDLFLAGS) -Wl,sim_vhpi_c.o -Wl,sim_bram_helpers_c.o $@

dmi_dtm_tb: dmi_dtm_tb.o sim_bram_helpers_c.o
$(GHDL) -e $(GHDLFLAGS) -Wl,sim_bram_helpers_c.o $@
dmi_dtm_tb: dmi_dtm_tb.o sim_vhpi_c.o sim_bram_helpers_c.o
$(GHDL) -e $(GHDLFLAGS) -Wl,sim_vhpi_c.o -Wl,sim_bram_helpers_c.o $@

tests = $(sort $(patsubst tests/%.out,%,$(wildcard tests/*.out)))


83
sim_bram_helpers_c.c
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@ -9,91 +9,12 @@
#include <sys/types.h>
#include <sys/stat.h>

#include "sim_vhpi_c.h"

#undef DEBUG

#define ALIGN_UP(VAL, SIZE) (((VAL) + ((SIZE)-1)) & ~((SIZE)-1))

#define vhpi0 2 /* forcing 0 */
#define vhpi1 3 /* forcing 1 */

struct int_bounds
{
int left;
int right;
char dir;
unsigned int len;
};

struct fat_pointer
{
void *base;
struct int_bounds *bounds;
};

static char *from_string(void *__p)
{
struct fat_pointer *p = __p;
unsigned long len = p->bounds->len;
char *m;

m = malloc(len+1);
if (!m) {
perror("malloc");
exit(1);
}

memcpy(m, p->base, len);
m[len] = 0x0;

return m;
}

static uint64_t from_std_logic_vector(unsigned char *p, unsigned long len)
{
unsigned long ret = 0;

if (len > 64) {
fprintf(stderr, "%s: invalid length %lu\n", __func__, len);
exit(1);
}

for (unsigned long i = 0; i < len; i++) {
unsigned char bit;

if (*p == vhpi0) {
bit = 0;
} else if (*p == vhpi1) {
bit = 1;
} else {
fprintf(stderr, "%s: bad bit %d\n", __func__, *p);
bit = 0;
}

ret = (ret << 1) | bit;
p++;
}

return ret;
}

static void to_std_logic_vector(unsigned long val, unsigned char *p,
unsigned long len)
{
if (len > 64) {
fprintf(stderr, "%s: invalid length %lu\n", __func__, len);
exit(1);
}

for (unsigned long i = 0; i < len; i++) {
if ((val >> (len-1-i) & 1))
*p = vhpi1;
else
*p = vhpi0;

p++;
}
}

#define MAX_REGIONS 128

struct ram_behavioural {

50
sim_console_c.c
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@ -6,59 +6,11 @@
#include <termios.h>
#include <unistd.h>
#include <poll.h>
#include "sim_vhpi_c.h"

/* Should we exit simulation on ctrl-c or pass it through? */
#define EXIT_ON_CTRL_C

#define vhpi0 2 /* forcing 0 */
#define vhpi1 3 /* forcing 1 */

static uint64_t from_std_logic_vector(unsigned char *p, unsigned long len)
{
unsigned long ret = 0;

if (len > 64) {
fprintf(stderr, "%s: invalid length %lu\n", __func__, len);
exit(1);
}

for (unsigned long i = 0; i < len; i++) {
unsigned char bit;

if (*p == vhpi0) {
bit = 0;
} else if (*p == vhpi1) {
bit = 1;
} else {
fprintf(stderr, "%s: bad bit %d\n", __func__, *p);
bit = 0;
}

ret = (ret << 1) | bit;
p++;
}

return ret;
}

static void to_std_logic_vector(unsigned long val, unsigned char *p,
unsigned long len)
{
if (len > 64) {
fprintf(stderr, "%s: invalid length %lu\n", __func__, len);
exit(1);
}

for (unsigned long i = 0; i < len; i++) {
if ((val >> (len-1-i) & 1))
*p = vhpi1;
else
*p = vhpi0;

p++;
}
}

static struct termios oldt;

static void disable_raw_mode(void)

50
sim_jtag_socket_c.c
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@ -9,60 +9,12 @@
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include "sim_vhpi_c.h"

/* XXX Make that some parameter */
#define TCP_PORT 13245
#define MAX_PACKET 32

#define vhpi0 2 /* forcing 0 */
#define vhpi1 3 /* forcing 1 */

static void to_std_logic_vector(unsigned long val, unsigned char *p,
unsigned long len)
{
if (len > 64) {
fprintf(stderr, "%s: invalid length %lu\n", __func__, len);
exit(1);
}

for (unsigned long i = 0; i < len; i++) {
if ((val >> (len-1-i) & 1))
*p = vhpi1;
else
*p = vhpi0;

p++;
}
}

static uint64_t from_std_logic_vector(unsigned char *p, unsigned long len)
{
unsigned long ret = 0;

if (len > 64) {
fprintf(stderr, "%s: invalid length %lu\n", __func__, len);
exit(1);
}

for (unsigned long i = 0; i < len; i++) {
unsigned char bit;

if (*p == vhpi0) {
bit = 0;
} else if (*p == vhpi1) {
bit = 1;
} else {
fprintf(stderr, "%s: bad bit %d\n", __func__, *p);
bit = 0;
}

ret = (ret << 1) | bit;
p++;
}

return ret;
}

static int fd = -1;
static int cfd = -1;


84
sim_vhpi_c.c
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@ -0,0 +1,84 @@
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
#include <stdio.h>

#include "sim_vhpi_c.h"

struct int_bounds
{
int left;
int right;
char dir;
unsigned int len;
};

struct fat_pointer
{
void *base;
struct int_bounds *bounds;
};

char *from_string(void *__p)
{
struct fat_pointer *p = __p;
unsigned long len = p->bounds->len;
char *m;

m = malloc(len+1);
if (!m) {
perror("malloc");
exit(1);
}

memcpy(m, p->base, len);
m[len] = 0x0;

return m;
}

uint64_t from_std_logic_vector(unsigned char *p, unsigned long len)
{
unsigned long ret = 0;

if (len > 64) {
fprintf(stderr, "%s: invalid length %lu\n", __func__, len);
exit(1);
}

for (unsigned long i = 0; i < len; i++) {
unsigned char bit;

if (*p == vhpi0) {
bit = 0;
} else if (*p == vhpi1) {
bit = 1;
} else {
fprintf(stderr, "%s: bad bit %d\n", __func__, *p);
bit = 0;
}

ret = (ret << 1) | bit;
p++;
}

return ret;
}

void to_std_logic_vector(unsigned long val, unsigned char *p,
unsigned long len)
{
if (len > 64) {
fprintf(stderr, "%s: invalid length %lu\n", __func__, len);
exit(1);
}

for (unsigned long i = 0; i < len; i++) {
if ((val >> (len-1-i) & 1))
*p = vhpi1;
else
*p = vhpi0;

p++;
}
}

11
sim_vhpi_c.h
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@ -0,0 +1,11 @@
#include <stdint.h>

#define vhpi0 2 /* forcing 0 */
#define vhpi1 3 /* forcing 1 */

char *from_string(void *__p);

uint64_t from_std_logic_vector(unsigned char *p, unsigned long len);

void to_std_logic_vector(unsigned long val, unsigned char *p,
unsigned long len);
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