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litex/build/sim: cleanup modules

This commit is contained in:
Florent Kermarrec 2017-06-28 18:01:04 +02:00
parent c3710ec139
commit 4433e2449a
4 changed files with 99 additions and 180 deletions
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31
litex/build/sim/core/modules/clocker/clocker.c
View File

@ -14,14 +14,13 @@ static int litex_sim_module_pads_get( struct pad_s *pads, char *name, void **sig
void *sig=NULL;
int i;
if(!pads || !name || !signal)
{
if(!pads || !name || !signal) {
ret=RC_INVARG;
goto out;
}
i = 0;
while(pads[i].name)
{
while(pads[i].name) {
if(!strcmp(pads[i].name, name))
{
sig=(void*)pads[i].signal;
@ -37,7 +36,7 @@ out:
static int clocker_start()
{
printf("Loaded !\n");
printf("[clocker] loaded\n");
return RC_OK;
}
@ -47,43 +46,41 @@ static int clocker_new(void **sess, char *args)
struct session_s *s=NULL;
if(!sess)
{
if(!sess) {
ret = RC_INVARG;
goto out;
}
s=(struct session_s*)malloc(sizeof(struct session_s));
if(!s)
{
if(!s) {
ret=RC_NOENMEM;
goto out;
}
memset(s, 0, sizeof(struct session_s));
out:
*sess=(void*)s;
return ret;
}
static int clocker_add_pads(void *sess, struct pad_list_s *plist)
{
int ret=RC_OK;
struct session_s *s=(struct session_s*)sess;
int ret = RC_OK;
struct session_s *s = (struct session_s*)sess;
struct pad_s *pads;
if(!sess || !plist)
{
if(!sess || !plist) {
ret = RC_INVARG;
goto out;
}
pads = plist->pads;
if(!strcmp(plist->name, "sys_clk"))
{
if(!strcmp(plist->name, "sys_clk")) {
litex_sim_module_pads_get(pads, "sys_clk", (void**)&s->sys_clk);
}
*s->sys_clk=0;
out:
return ret;
}
@ -106,7 +103,7 @@ static struct ext_module_s ext_mod = {
int litex_sim_ext_module_init(int (*register_module)(struct ext_module_s *))
{
int ret=RC_OK;
int ret = RC_OK;
ret = register_module(&ext_mod);
return ret;
}

138
litex/build/sim/core/modules/ethernet/ethernet.c
View File

@ -37,58 +37,55 @@ struct session_s {
static struct event_base *base=NULL;
int litex_sim_module_get_args( char *args, char *arg, char **val)
int litex_sim_module_get_args(char *args, char *arg, char **val)
{
int ret=RC_OK;
json_object *jsobj=NULL;
json_object *obj=NULL;
char *value=NULL;
int ret = RC_OK;
json_object *jsobj = NULL;
json_object *obj = NULL;
char *value = NULL;
int r;
jsobj = json_tokener_parse(args);
if(NULL==jsobj)
{
if(NULL == jsobj) {
fprintf(stderr, "Error parsing json arg: %s \n", args);
ret=RC_JSERROR;
ret = RC_JSERROR;
goto out;
}
if(!json_object_is_type(jsobj, json_type_object))
{
if(!json_object_is_type(jsobj, json_type_object)) {
fprintf(stderr, "Arg must be type object! : %s \n", args);
ret=RC_JSERROR;
ret = RC_JSERROR;
goto out;
}
obj=NULL;
r = json_object_object_get_ex(jsobj, arg, &obj);
if(!r)
{
if(!r) {
fprintf(stderr, "Could not find object: \"%s\" (%s)\n", arg, args);
ret=RC_JSERROR;
ret = RC_JSERROR;
goto out;
}
value=strdup(json_object_get_string(obj));
value = strdup(json_object_get_string(obj));
out:
*val = value;
return ret;
}
static int litex_sim_module_pads_get( struct pad_s *pads, char *name, void **signal)
static int litex_sim_module_pads_get(struct pad_s *pads, char *name, void **signal)
{
int ret;
void *sig=NULL;
void *sig = NULL;
int i;
if(!pads || !name || !signal)
{
if(!pads || !name || !signal) {
ret=RC_INVARG;
goto out;
}
i = 0;
while(pads[i].name)
{
if(!strcmp(pads[i].name, name))
{
while(pads[i].name) {
if(!strcmp(pads[i].name, name)) {
sig=(void*)pads[i].signal;
break;
}
@ -102,34 +99,27 @@ out:
static int ethernet_start(void *b)
{
base=(struct event_base *)b;
printf("Loaded eth %p!\n", base);
base = (struct event_base *) b;
printf("[ethernet] loaded (%p)\n", base);
return RC_OK;
}
void event_handler(int fd, short event, void *arg)
{
struct session_s *s=(struct session_s*)arg;
struct session_s *s = (struct session_s*)arg;
struct eth_packet_s *ep;
struct eth_packet_s *tep;
if (event & EV_TIMEOUT) {
//printf("timeout\n");
} else if (event & EV_READ) {
if (event & EV_READ) {
ep = malloc(sizeof(struct eth_packet_s));
memset(ep, 0, sizeof(struct eth_packet_s));
ep->len = tapcfg_read(s->tapcfg, ep->data, 2000);
if(ep->len < 60)
{
ep->len = 60;
}
if(!s->ethpack)
{
s->ethpack = ep;
} else {
else {
for(tep=s->ethpack; tep->next; tep=tep->next);
tep->next = ep;
}
@ -140,20 +130,18 @@ static const char macadr[6] = {0xaa, 0xb6, 0x24, 0x69, 0x77, 0x21};
static int ethernet_new(void **sess, char *args)
{
int ret=RC_OK;
char *c_tap=NULL;
char *c_tap_ip=NULL;
struct session_s *s=NULL;
struct timeval tv={10, 0};
if(!sess)
{
int ret = RC_OK;
char *c_tap = NULL;
char *c_tap_ip = NULL;
struct session_s *s = NULL;
struct timeval tv = {10, 0};
if(!sess) {
ret = RC_INVARG;
goto out;
}
s=(struct session_s*)malloc(sizeof(struct session_s));
if(!s)
{
if(!s) {
ret=RC_NOENMEM;
goto out;
}
@ -162,17 +150,13 @@ static int ethernet_new(void **sess, char *args)
ret = litex_sim_module_get_args(args, "interface", &c_tap);
{
if(RC_OK != ret)
{
goto out;
}
}
ret = litex_sim_module_get_args(args, "ip", &c_tap_ip);
{
if(RC_OK != ret)
{
goto out;
}
}
s->tapcfg = tapcfg_init();
tapcfg_start(s->tapcfg, c_tap, 0);
@ -182,8 +166,6 @@ static int ethernet_new(void **sess, char *args)
tapcfg_iface_set_status(s->tapcfg, TAPCFG_STATUS_ALL_UP);
free(c_tap);
free(c_tap_ip);
printf("FT:%d\n", s->fd);
printf("ETHERNET MODULE NEW CALLED\n");
s->ev = event_new(base, s->fd, EV_READ | EV_PERSIST, event_handler, s);
event_add(s->ev, &tv);
@ -196,16 +178,14 @@ out:
static int ethernet_add_pads(void *sess, struct pad_list_s *plist)
{
int ret=RC_OK;
struct session_s *s=(struct session_s*)sess;
struct session_s *s = (struct session_s*)sess;
struct pad_s *pads;
if(!sess || !plist)
{
if(!sess || !plist) {
ret = RC_INVARG;
goto out;
}
pads = plist->pads;
if(!strcmp(plist->name, "eth"))
{
if(!strcmp(plist->name, "eth")) {
litex_sim_module_pads_get(pads, "sink_data", (void**)&s->rx);
litex_sim_module_pads_get(pads, "sink_valid", (void**)&s->rx_valid);
litex_sim_module_pads_get(pads, "sink_ready", (void**)&s->rx_ready);
@ -215,9 +195,7 @@ static int ethernet_add_pads(void *sess, struct pad_list_s *plist)
}
if(!strcmp(plist->name, "sys_clk"))
{
litex_sim_module_pads_get(pads, "sys_clk", (void**)&s->sys_clk);
}
out:
return ret;
@ -226,48 +204,33 @@ out:
static int ethernet_tick(void *sess)
{
char c;
struct session_s *s=(struct session_s*)sess;
struct session_s *s = (struct session_s*)sess;
struct eth_packet_s *pep;
if(*s->sys_clk == 0)
{
return RC_OK;
}
*s->tx_ready = 1;
if(*s->tx_valid == 1)
{
if(*s->tx_valid == 1) {
c = *s->tx;
//printf("%02x ", (unsigned char)c);
s->databuf[s->datalen++]=c;
} else {
if(s->datalen)
{
//printf("send fini\n");
if(s->datalen) {
tapcfg_write(s->tapcfg, s->databuf, s->datalen);
s->datalen=0;
}
}
*s->rx_valid=0;
if(s->inlen)
{
if(s->inlen) {
*s->rx_valid=1;
*s->rx = s->inbuf[s->insent++];
//printf("%02x ", (unsigned char)*s->rx);
//printf("%d", *s->rx_ready);
if(s->insent == s->inlen)
{
//printf("recv fini\n");
if(s->insent == s->inlen) {
s->insent =0;
s->inlen = 0;
}
}
else
{
if(s->ethpack)
{
} else {
if(s->ethpack) {
memcpy(s->inbuf, s->ethpack->data, s->ethpack->len);
s->inlen = s->ethpack->len;
pep=s->ethpack->next;
@ -275,21 +238,6 @@ static int ethernet_tick(void *sess)
s->ethpack=pep;
}
}
/*
else
{
if(tapcfg_wait_readable(s->tapcfg, 0))
{
memset(s->inbuf, 0, 2000);
s->inlen = tapcfg_read(s->tapcfg, s->inbuf, 2000);
if(s->inlen < 60)
{
s->inlen = 60;
}
}
}
*/
return RC_OK;
}
@ -304,7 +252,7 @@ static struct ext_module_s ext_mod = {
int litex_sim_ext_module_init(int (*register_module)(struct ext_module_s *))
{
int ret=RC_OK;
int ret = RC_OK;
ret = register_module(&ext_mod);
return ret;
}

1
litex/build/sim/core/modules/serial2console/serial2console.c
View File

@ -63,6 +63,7 @@ static int serial2console_start(void *b)
{
base = (struct event_base *)b;
set_conio_terminal_mode();
printf("[serial2console] loaded (%p)\n", base);
return RC_OK;
}

99
litex/build/sim/core/modules/serial2tcp/serial2tcp.c
View File

@ -29,29 +29,26 @@ struct event_base *base;
int litex_sim_module_get_args( char *args, char *arg, char **val)
{
int ret=RC_OK;
json_object *jsobj=NULL;
json_object *obj=NULL;
char *value=NULL;
int ret = RC_OK;
json_object *jsobj = NULL;
json_object *obj = NULL;
char *value = NULL;
int r;
jsobj = json_tokener_parse(args);
if(NULL==jsobj)
{
if(NULL==jsobj) {
fprintf(stderr, "Error parsing json arg: %s \n", args);
ret=RC_JSERROR;
goto out;
}
if(!json_object_is_type(jsobj, json_type_object))
{
if(!json_object_is_type(jsobj, json_type_object)) {
fprintf(stderr, "Arg must be type object! : %s \n", args);
ret=RC_JSERROR;
goto out;
}
obj=NULL;
r = json_object_object_get_ex(jsobj, arg, &obj);
if(!r)
{
if(!r) {
fprintf(stderr, "Could not find object: \"%s\" (%s)\n", arg, args);
ret=RC_JSERROR;
goto out;
@ -66,40 +63,38 @@ out:
static int litex_sim_module_pads_get( struct pad_s *pads, char *name, void **signal)
{
int ret;
void *sig=NULL;
void *sig = NULL;
int i;
if(!pads || !name || !signal)
{
ret=RC_INVARG;
if(!pads || !name || !signal) {
ret = RC_INVARG;
goto out;
}
i = 0;
while(pads[i].name)
{
if(!strcmp(pads[i].name, name))
{
sig=(void*)pads[i].signal;
while(pads[i].name) {
if(!strcmp(pads[i].name, name)) {
sig = (void*)pads[i].signal;
break;
}
i++;
}
out:
*signal=sig;
*signal = sig;
return ret;
}
static int serial2tcp_start(void *b)
{
base =(struct event_base *)b;
printf("Loaded %p!\n", base);
base = (struct event_base *)b;
printf("[serial2tcp] loaded (%p)\n", base);
return RC_OK;
}
void read_handler(int fd, short event, void *arg)
{
struct session_s *s= (struct session_s*)arg;
struct session_s *s = (struct session_s*)arg;
char buffer[1024];
ssize_t read_len;
@ -115,16 +110,13 @@ void read_handler(int fd, short event, void *arg)
static void event_handler(int fd, short event, void *arg)
{
//printf("hit\n");
if (event & EV_READ)
{
read_handler(fd, event, arg);
}
}
static void accept_conn_cb(struct evconnlistener *listener, evutil_socket_t fd, struct sockaddr *address, int socklen, void *ctx)
{
struct session_s *s= (struct session_s*)ctx;
struct session_s *s = (struct session_s*)ctx;
struct timeval tv = {1, 0};
s->fd = fd;
@ -143,41 +135,34 @@ accept_error_cb(struct evconnlistener *listener, void *ctx)
static int serial2tcp_new(void **sess, char *args)
{
int ret=RC_OK;
struct session_s *s=NULL;
char *cport=NULL;
int ret = RC_OK;
struct session_s *s = NULL;
char *cport = NULL;
int port;
struct evconnlistener *listener;
struct sockaddr_in sin;
if(!sess)
{
if(!sess) {
ret = RC_INVARG;
goto out;
}
ret = litex_sim_module_get_args(args, "port", &cport);
{
if(RC_OK != ret)
{
goto out;
}
}
printf("Found port %s\n", cport);
sscanf(cport, "%d", &port);
free(cport);
if(!port)
{
ret=RC_ERROR;
if(!port) {
ret = RC_ERROR;
fprintf(stderr, "Invalid port selected!\n");
goto out;
}
s=(struct session_s*)malloc(sizeof(struct session_s));
if(!s)
{
ret=RC_NOENMEM;
if(!s) {
ret = RC_NOENMEM;
goto out;
}
memset(s, 0, sizeof(struct session_s));
@ -187,8 +172,7 @@ static int serial2tcp_new(void **sess, char *args)
sin.sin_addr.s_addr = htonl(0);
sin.sin_port = htons(port);
listener = evconnlistener_new_bind(base, accept_conn_cb, s, LEV_OPT_CLOSE_ON_FREE|LEV_OPT_REUSEABLE, -1, (struct sockaddr*)&sin, sizeof(sin));
if (!listener)
{
if (!listener) {
ret=RC_ERROR;
eprintf("Can't bind port %d\n!\n", port);
goto out;
@ -198,7 +182,6 @@ static int serial2tcp_new(void **sess, char *args)
out:
*sess=(void*)s;
return ret;
}
static int serial2tcp_add_pads(void *sess, struct pad_list_s *plist)
@ -206,14 +189,12 @@ static int serial2tcp_add_pads(void *sess, struct pad_list_s *plist)
int ret=RC_OK;
struct session_s *s=(struct session_s*)sess;
struct pad_s *pads;
if(!sess || !plist)
{
if(!sess || !plist) {
ret = RC_INVARG;
goto out;
}
pads = plist->pads;
if(!strcmp(plist->name, "serial"))
{
if(!strcmp(plist->name, "serial")) {
litex_sim_module_pads_get(pads, "sink_data", (void**)&s->rx);
litex_sim_module_pads_get(pads, "sink_valid", (void**)&s->rx_valid);
litex_sim_module_pads_get(pads, "sink_ready", (void**)&s->rx_ready);
@ -223,11 +204,8 @@ static int serial2tcp_add_pads(void *sess, struct pad_list_s *plist)
}
if(!strcmp(plist->name, "sys_clk"))
{
litex_sim_module_pads_get(pads, "sys_clk", (void**)&s->sys_clk);
}
out:
return ret;
@ -235,20 +213,16 @@ out:
static int serial2tcp_tick(void *sess)
{
char c;
int ret=RC_OK;
int ret = RC_OK;
struct session_s *s=(struct session_s*)sess;
struct session_s *s = (struct session_s*)sess;
if(*s->sys_clk == 0)
{
return RC_OK;
}
*s->tx_ready = 1;
if(s->fd && *s->tx_valid)
{
if(s->fd && *s->tx_valid) {
c = *s->tx;
if(-1 ==write(s->fd, &c, 1))
{
if(-1 ==write(s->fd, &c, 1)) {
eprintf("Error writing on socket\n");
ret = RC_ERROR;
goto out;
@ -256,8 +230,7 @@ static int serial2tcp_tick(void *sess)
}
*s->rx_valid=0;
if(s->datalen)
{
if(s->datalen) {
*s->rx=s->databuf[s->data_start];
s->data_start = (s->data_start + 1) % 2048;
s->datalen--;
@ -279,7 +252,7 @@ static struct ext_module_s ext_mod = {
int litex_sim_ext_module_init(int (*register_module)(struct ext_module_s *))
{
int ret=RC_OK;
int ret = RC_OK;
ret = register_module(&ext_mod);
return ret;
}