/* Common setup */
int __vesacon_open(struct file_info *fp)
{
(void)fp;
if (!vesacon_counter) {
/* Are we disabled? */
if (syslinux_serial_console_info()->flowctl & 0x8000) {
ti.disabled = 1;
ti.rows = 25;
ti.cols = 80;
} else {
/* Switch mode */
if (__vesacon_init(vesacon_resolution.x, vesacon_resolution.y)) {
vesacon_counter = -1;
return EAGAIN;
}
/* Initial state */
__ansi_init(&ti);
ti.rows = __vesacon_text_rows;
ti.cols = __vesacon_text_cols;
}
} else if (vesacon_counter == -1) {
return EAGAIN;
}
fp->o.rows = ti.rows;
fp->o.cols = ti.cols;
vesacon_counter++;
return 0;
}
/* Common setup */
int __ansicon_open(struct file_info *fp)
{
if (!ansicon_counter) {
/* Are we disabled? */
if (syslinux_serial_console_info()->flowctl & 0x8000) {
ti.disabled = 1;
ti.rows = 25;
ti.cols = 80;
} else {
/* Force text mode */
firmware->o_ops->text_mode();
/* Initial state */
firmware->o_ops->get_mode(&ti.cols, &ti.rows);
__ansi_init(&ti);
/* Get cursor shape and position */
firmware->o_ops->get_cursor(&ti.ts->xy.x, &ti.ts->xy.y);
}
}
fp->o.rows = ti.rows;
fp->o.cols = ti.cols;
ansicon_counter++;
return 0;
}
ssize_t __serial_write(struct file_info *fp, const void *buf, size_t count)
{
const char *bufp = buf;
size_t n = 0;
(void)fp;
if (!syslinux_serial_console_info()->iobase)
return count; /* Nothing to do */
while (count--) {
write_serial(*bufp++);
n++;
}
return n;
}
ssize_t __serial_write(struct file_info *fp, const void *buf, size_t count)
{
com32sys_t ireg;
const char *bufp = buf;
size_t n = 0;
(void)fp;
if (!syslinux_serial_console_info()->iobase)
return count; /* Nothing to do */
memset(&ireg, 0, sizeof ireg);
ireg.eax.b[1] = 0x04;
while (count--) {
ireg.edx.b[0] = *bufp++;
__intcall(0x21, &ireg, NULL);
n++;
}
return n;
}
/* Common setup */
int __ansicon_open(struct file_info *fp)
{
static com32sys_t ireg; /* Auto-initalized to all zero */
com32sys_t oreg;
if (!ansicon_counter) {
/* Are we disabled? */
if (syslinux_serial_console_info()->flowctl & 0x8000) {
ti.disabled = 1;
ti.rows = 25;
ti.cols = 80;
} else {
/* Force text mode */
ireg.eax.w[0] = 0x0005;
__intcall(0x22, &ireg, NULL);
/* Initial state */
ti.rows = BIOS_ROWS ? BIOS_ROWS+1 : 25;
ti.cols = BIOS_COLS;
__ansi_init(&ti);
/* Get cursor shape and position */
ireg.eax.b[1] = 0x03;
ireg.ebx.b[1] = BIOS_PAGE;
__intcall(0x10, &ireg, &oreg);
cursor_type = oreg.ecx.w[0];
ti.ts->xy.x = oreg.edx.b[0];
ti.ts->xy.y = oreg.edx.b[1];
}
}
fp->o.rows = ti.rows;
fp->o.cols = ti.cols;
ansicon_counter++;
return 0;
}
ssize_t __xserial_write(struct file_info *fp, const void *buf, size_t count)
{
const char *bufp = buf;
size_t n = 0;
static enum { st_init, st_tbl, st_tblc } state = st_init;
static int ndigits;
static int ncolor = 0;
int num;
const char *p;
(void)fp;
if (!syslinux_serial_console_info()->iobase)
return count; /* Nothing to do */
while (count--) {
unsigned char ch = *bufp++;
switch (state) {
case st_init:
if (ch >= 1 && ch <= 5) {
state = st_tbl;
ndigits = ch;
} else if (ch == '\n') {
emit('\r');
emit('\n');
} else {
emit(ch);
}
break;
case st_tbl:
if (ch == '#') {
state = st_tblc;
ncolor = 0;
} else {
state = st_init;
}
break;
case st_tblc:
num = ch - '0';
if (num < 10) {
ncolor = (ncolor * 10) + num;
if (--ndigits == 0) {
if (ncolor < console_color_table_size) {
emit('\033');
emit('[');
emit('0');
emit(';');
for (p = console_color_table[ncolor].ansi; *p; p++)
emit(*p);
emit('m');
}
state = st_init;
}
} else {
state = st_init;
}
break;
}
n++;
}
return n;
}