// Starts the kernel's idle process. This process has kernel permissions.
int idle_main(int argc, char ** params) {
int i = 0;
char a[] = { ' ', 0x07 };
for(; i < 2000; ++i) {
memcpy((char*)0xb8000 + i * 2, a, 2);
}
// The funny message, windows says starting windows... why shouldn't we? D:
char start_msg[][2] = {
{ 'S', 0x07 },
{ 't', 0x08 },
{ 'a', 0x09 },
{ 'r', 0x0a },
{ 't', 0x0b },
{ 'i', 0x0c },
{ 'n', 0x0d },
{ 'g', 0x0e },
{ ' ', 0x0f },
{ 'M', 0x02 },
{ 'o', 0x03 },
{ 'n', 0x04 },
{ 'i', 0x05 },
{ 'x', 0x06 },
{ ' ', 0x0f },
{ '\001', 0x5f },
};
i = 0;
for(; i < 16; ++i) {
memcpy((char*)0xb8000 + i * 2, start_msg[i], 2);
_setCursor(i);
}
Cli();
make_atomic();
mount(); // Mount or start the FS
tty_init(0); // Load up the TTY's
tty_init(1);
tty_init(2);
tty_init(3);
tty_init(4);
tty_init(5);
setready(); // Set the kernel as ready and the FS as loaded
users_init(); // Init the users
fs_finish();
release_atomic();
Sti();
while(1) {
_Halt(); // Now set to idle.
}
}
// This call is done outside the kernel, since we had maaaaaaaany problems with it inside #nofun
// Fires a signal after a syscall, only if the kernel has been set to do so.
void signal_on_demand() {
if (kernel_buffer[KERNEL_RETURN - 1] != 0) {
if (kernel_buffer[0] == KILL) {
make_atomic();
int sigcode = kernel_buffer[KERNEL_RETURN - 1];
int pid = kernel_buffer[KERNEL_RETURN - 2];
sg_handle(sigcode, pid);
release_atomic();
}
kernel_buffer[KERNEL_RETURN - 1] = 0; // SIGCODE
kernel_buffer[KERNEL_RETURN - 2] = 0; // PID
}
}
void video_write_c(char * data) {
make_atomic();
char a[] = { *data, defaultStyle };
char c = *data;
if (c == '\r') {
backSpace();
} else if (c == '\n') {
newLine();
} else if (c == 0x0f || c == '\t') {
if (getCursorX() % 4 == 0) {
int i = 0;
for (i = 0; i < 4; ++i) {
putChar(' ');
*a = ' ';
video_write(a, 2);
}
} else
while (getCursorX() % 4 != 0) {
putChar(' ');
*a = ' ';
video_write(a,2);
incrementCursor();
}
} else if (c != 0) {
putChar(c);
if(current_video_mode->visible) {
video_write(a,2);
incrementCursor();
} else {
setCursor(FALSE);
incrementCursor();
setCursor(TRUE);
}
}
release_atomic();
}