loader: libi386/comconsole.c cstyle cleanup

Only cstyle, no functional changes.
This commit is contained in:
tsoome 2019-11-02 10:53:23 +00:00
parent fb53bf3beb
commit 1eb3c19431

View File

@ -67,144 +67,144 @@ static int comc_port = COMPORT;
static uint32_t comc_locator;
struct console comconsole = {
"comconsole",
"serial port",
0,
comc_probe,
comc_init,
comc_putchar,
comc_getchar,
comc_ischar
.c_name = "comconsole",
.c_desc = "serial port",
.c_flags = 0,
.c_probe = comc_probe,
.c_init = comc_init,
.c_out = comc_putchar,
.c_in = comc_getchar,
.c_ready = comc_ischar
};
static void
comc_probe(struct console *cp)
{
char intbuf[16];
char *cons, *env;
int speed, port;
uint32_t locator;
char intbuf[16];
char *cons, *env;
int speed, port;
uint32_t locator;
if (comc_curspeed == 0) {
comc_curspeed = COMSPEED;
/*
* Assume that the speed was set by an earlier boot loader if
* comconsole is already the preferred console.
*/
cons = getenv("console");
if ((cons != NULL && strcmp(cons, comconsole.c_name) == 0) ||
getenv("boot_multicons") != NULL) {
comc_curspeed = comc_getspeed();
if (comc_curspeed == 0) {
comc_curspeed = COMSPEED;
/*
* Assume that the speed was set by an earlier boot loader if
* comconsole is already the preferred console.
*/
cons = getenv("console");
if ((cons != NULL && strcmp(cons, comconsole.c_name) == 0) ||
getenv("boot_multicons") != NULL) {
comc_curspeed = comc_getspeed();
}
env = getenv("comconsole_speed");
if (env != NULL) {
speed = comc_parseint(env);
if (speed > 0)
comc_curspeed = speed;
}
sprintf(intbuf, "%d", comc_curspeed);
unsetenv("comconsole_speed");
env_setenv("comconsole_speed", EV_VOLATILE, intbuf,
comc_speed_set, env_nounset);
env = getenv("comconsole_port");
if (env != NULL) {
port = comc_parseint(env);
if (port > 0)
comc_port = port;
}
sprintf(intbuf, "%d", comc_port);
unsetenv("comconsole_port");
env_setenv("comconsole_port", EV_VOLATILE, intbuf,
comc_port_set, env_nounset);
env = getenv("comconsole_pcidev");
if (env != NULL) {
locator = comc_parse_pcidev(env);
if (locator != 0)
comc_pcidev_handle(locator);
}
unsetenv("comconsole_pcidev");
env_setenv("comconsole_pcidev", EV_VOLATILE, env,
comc_pcidev_set, env_nounset);
}
env = getenv("comconsole_speed");
if (env != NULL) {
speed = comc_parseint(env);
if (speed > 0)
comc_curspeed = speed;
}
sprintf(intbuf, "%d", comc_curspeed);
unsetenv("comconsole_speed");
env_setenv("comconsole_speed", EV_VOLATILE, intbuf, comc_speed_set,
env_nounset);
env = getenv("comconsole_port");
if (env != NULL) {
port = comc_parseint(env);
if (port > 0)
comc_port = port;
}
sprintf(intbuf, "%d", comc_port);
unsetenv("comconsole_port");
env_setenv("comconsole_port", EV_VOLATILE, intbuf, comc_port_set,
env_nounset);
env = getenv("comconsole_pcidev");
if (env != NULL) {
locator = comc_parse_pcidev(env);
if (locator != 0)
comc_pcidev_handle(locator);
}
unsetenv("comconsole_pcidev");
env_setenv("comconsole_pcidev", EV_VOLATILE, env, comc_pcidev_set,
env_nounset);
}
comc_setup(comc_curspeed, comc_port);
comc_setup(comc_curspeed, comc_port);
}
static int
comc_init(int arg)
{
comc_setup(comc_curspeed, comc_port);
comc_setup(comc_curspeed, comc_port);
if ((comconsole.c_flags & (C_PRESENTIN | C_PRESENTOUT)) ==
(C_PRESENTIN | C_PRESENTOUT))
return (CMD_OK);
return (CMD_ERROR);
if ((comconsole.c_flags & (C_PRESENTIN | C_PRESENTOUT)) ==
(C_PRESENTIN | C_PRESENTOUT))
return (CMD_OK);
return (CMD_ERROR);
}
static void
comc_putchar(int c)
{
int wait;
int wait;
for (wait = COMC_TXWAIT; wait > 0; wait--)
if (inb(comc_port + com_lsr) & LSR_TXRDY) {
outb(comc_port + com_data, (u_char)c);
break;
}
for (wait = COMC_TXWAIT; wait > 0; wait--)
if (inb(comc_port + com_lsr) & LSR_TXRDY) {
outb(comc_port + com_data, (u_char)c);
break;
}
}
static int
comc_getchar(void)
{
return (comc_ischar() ? inb(comc_port + com_data) : -1);
return (comc_ischar() ? inb(comc_port + com_data) : -1);
}
static int
comc_ischar(void)
{
return (inb(comc_port + com_lsr) & LSR_RXRDY);
return (inb(comc_port + com_lsr) & LSR_RXRDY);
}
static int
comc_speed_set(struct env_var *ev, int flags, const void *value)
{
int speed;
int speed;
if (value == NULL || (speed = comc_parseint(value)) <= 0) {
printf("Invalid speed\n");
return (CMD_ERROR);
}
if (value == NULL || (speed = comc_parseint(value)) <= 0) {
printf("Invalid speed\n");
return (CMD_ERROR);
}
if (comc_curspeed != speed)
comc_setup(speed, comc_port);
if (comc_curspeed != speed)
comc_setup(speed, comc_port);
env_setenv(ev->ev_name, flags | EV_NOHOOK, value, NULL, NULL);
env_setenv(ev->ev_name, flags | EV_NOHOOK, value, NULL, NULL);
return (CMD_OK);
return (CMD_OK);
}
static int
comc_port_set(struct env_var *ev, int flags, const void *value)
{
int port;
int port;
if (value == NULL || (port = comc_parseint(value)) <= 0) {
printf("Invalid port\n");
return (CMD_ERROR);
}
if (value == NULL || (port = comc_parseint(value)) <= 0) {
printf("Invalid port\n");
return (CMD_ERROR);
}
if (comc_port != port)
comc_setup(comc_curspeed, port);
if (comc_port != port)
comc_setup(comc_curspeed, port);
env_setenv(ev->ev_name, flags | EV_NOHOOK, value, NULL, NULL);
env_setenv(ev->ev_name, flags | EV_NOHOOK, value, NULL, NULL);
return (CMD_OK);
return (CMD_OK);
}
/*
@ -320,46 +320,46 @@ comc_pcidev_set(struct env_var *ev, int flags, const void *value)
static void
comc_setup(int speed, int port)
{
static int TRY_COUNT = 1000000;
char intbuf[64];
int tries;
static int TRY_COUNT = 1000000;
char intbuf[64];
int tries;
unsetenv("hw.uart.console");
comc_curspeed = speed;
comc_port = port;
if ((comconsole.c_flags & (C_ACTIVEIN | C_ACTIVEOUT)) == 0)
return;
unsetenv("hw.uart.console");
comc_curspeed = speed;
comc_port = port;
if ((comconsole.c_flags & (C_ACTIVEIN | C_ACTIVEOUT)) == 0)
return;
outb(comc_port + com_cfcr, CFCR_DLAB | COMC_FMT);
outb(comc_port + com_dlbl, COMC_BPS(speed) & 0xff);
outb(comc_port + com_dlbh, COMC_BPS(speed) >> 8);
outb(comc_port + com_cfcr, COMC_FMT);
outb(comc_port + com_mcr, MCR_RTS | MCR_DTR);
outb(comc_port + com_cfcr, CFCR_DLAB | COMC_FMT);
outb(comc_port + com_dlbl, COMC_BPS(speed) & 0xff);
outb(comc_port + com_dlbh, COMC_BPS(speed) >> 8);
outb(comc_port + com_cfcr, COMC_FMT);
outb(comc_port + com_mcr, MCR_RTS | MCR_DTR);
tries = 0;
do
inb(comc_port + com_data);
while (inb(comc_port + com_lsr) & LSR_RXRDY && ++tries < TRY_COUNT);
tries = 0;
do
inb(comc_port + com_data);
while (inb(comc_port + com_lsr) & LSR_RXRDY && ++tries < TRY_COUNT);
if (tries < TRY_COUNT) {
comconsole.c_flags |= (C_PRESENTIN | C_PRESENTOUT);
sprintf(intbuf, "io:%d,br:%d", comc_port, comc_curspeed);
env_setenv("hw.uart.console", EV_VOLATILE, intbuf, NULL, NULL);
} else
comconsole.c_flags &= ~(C_PRESENTIN | C_PRESENTOUT);
if (tries < TRY_COUNT) {
comconsole.c_flags |= (C_PRESENTIN | C_PRESENTOUT);
sprintf(intbuf, "io:%d,br:%d", comc_port, comc_curspeed);
env_setenv("hw.uart.console", EV_VOLATILE, intbuf, NULL, NULL);
} else
comconsole.c_flags &= ~(C_PRESENTIN | C_PRESENTOUT);
}
static int
comc_parseint(const char *speedstr)
{
char *p;
int speed;
char *p;
int speed;
speed = strtol(speedstr, &p, 0);
if (p == speedstr || *p != '\0' || speed <= 0)
return (-1);
speed = strtol(speedstr, &p, 0);
if (p == speedstr || *p != '\0' || speed <= 0)
return (-1);
return (speed);
return (speed);
}
static int