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kernel: exclude serial ports from pts numbering; start numbering at 1

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This commit is contained in:
K. Lange 2021-11-04 19:17:21 +09:00
parent 1e7ffb7b1b
commit 43b6bd32e3
3 changed files with 11 additions and 7 deletions
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2
base/usr/include/kernel/pty.h
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@ -43,4 +43,4 @@ typedef struct pty {
void tty_output_process_slave(pty_t * pty, uint8_t c); void tty_output_process_slave(pty_t * pty, uint8_t c);
void tty_output_process(pty_t * pty, uint8_t c); void tty_output_process(pty_t * pty, uint8_t c);
void tty_input_process(pty_t * pty, uint8_t c); void tty_input_process(pty_t * pty, uint8_t c);
pty_t * pty_new(struct winsize * size); pty_t * pty_new(struct winsize * size, int index);

2
kernel/arch/x86_64/serial.c
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@ -140,7 +140,7 @@ static void serial_fill_name(pty_t * pty, char * name) {
} }
static fs_node_t * serial_device_create(int port) { static fs_node_t * serial_device_create(int port) {
pty_t * pty = pty_new(NULL); pty_t * pty = pty_new(NULL, 0);
*pty_for_port(port) = pty; *pty_for_port(port) = pty;
pty->write_out = serial_write_out; pty->write_out = serial_write_out;
pty->fill_name = serial_fill_name; pty->fill_name = serial_fill_name;

10
kernel/vfs/tty.c
View File

@ -381,7 +381,9 @@ void open_pty_slave(fs_node_t * node, unsigned int flags) {
void close_pty_slave(fs_node_t * node) { void close_pty_slave(fs_node_t * node) {
pty_t * pty = (pty_t *)node->device; pty_t * pty = (pty_t *)node->device;
if (pty->name) {
hashmap_remove(_pty_index, (void*)pty->name); hashmap_remove(_pty_index, (void*)pty->name);
}
return; return;
} }
@ -646,7 +648,7 @@ void pty_install(void) {
vfs_mount("/dev/tty", _dev_tty); vfs_mount("/dev/tty", _dev_tty);
} }
pty_t * pty_new(struct winsize * size) { pty_t * pty_new(struct winsize * size, int index) {
if (!_pty_index) { if (!_pty_index) {
pty_install(); pty_install();
@ -667,13 +669,15 @@ pty_t * pty_new(struct winsize * size) {
pty->slave = pty_slave_create(pty); pty->slave = pty_slave_create(pty);
/* tty name */ /* tty name */
pty->name = _pty_counter++; pty->name = index;
pty->fill_name = tty_fill_name; pty->fill_name = tty_fill_name;
pty->write_in = pty_write_in; pty->write_in = pty_write_in;
pty->write_out = pty_write_out; pty->write_out = pty_write_out;
if (index) {
hashmap_set(_pty_index, (void*)pty->name, pty); hashmap_set(_pty_index, (void*)pty->name, pty);
}
if (size) { if (size) {
memcpy(&pty->size, size, sizeof(struct winsize)); memcpy(&pty->size, size, sizeof(struct winsize));
@ -713,7 +717,7 @@ pty_t * pty_new(struct winsize * size) {
} }
int pty_create(void *size, fs_node_t ** fs_master, fs_node_t ** fs_slave) { int pty_create(void *size, fs_node_t ** fs_master, fs_node_t ** fs_slave) {
pty_t * pty = pty_new(size); pty_t * pty = pty_new(size, ++_pty_counter);
*fs_master = pty->master; *fs_master = pty->master;
*fs_slave = pty->slave; *fs_slave = pty->slave;