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#include <drivers/xhci.hpp>
#include <drivers/pci.hpp>
#include <arch/x86_64/syscalls/syscalls.hpp>
#include <arch/x86_64/syscalls/sockets.hpp>
#include <arch/x86_64/interrupts/idt.hpp>
#include <arch/x86_64/interrupts/irq.hpp>
#include <arch/x86_64/interrupts/pic.hpp>
#include <arch/x86_64/interrupts/pit.hpp>
#include <arch/x86_64/scheduling.hpp>
#include <arch/x86_64/cpu/lapic.hpp>
#include <arch/x86_64/cpu/gdt.hpp>
#include <arch/x86_64/cpu/smp.hpp>
#include <arch/x86_64/cpu/sse.hpp>
#include <generic/mm/paging.hpp>
#include <generic/vfs/ustar.hpp>
#include <drivers/kvmtimer.hpp>
#include <generic/vfs/vfs.hpp>
#include <generic/mm/heap.hpp>
#include <generic/mm/pmm.hpp>
#include <drivers/serial.hpp>
#include <drivers/cmos.hpp>
#include <drivers/acpi.hpp>
#include <etc/assembly.hpp>
#include <drivers/tsc.hpp>
#include <etc/logging.hpp>
#include <uacpi/event.h>
#include <etc/etc.hpp>
#include <limine.h>
#include <drivers/ps2.hpp>
#include <generic/vfs/fd.hpp>
char is_shift_pressed = 0;
char is_ctrl_pressed = 0;
const char en_layout_translation[] = {
'\0', '\e', '1', '2', '3', '4', '5', '6', '7', '8', '9', '0', '-', '=', '\b', '\t',
'q', 'w', 'e', 'r', 't', 'y', 'u', 'i', 'o', 'p', '[', ']', '\n', '\0', 'a', 's',
'd', 'f', 'g', 'h', 'j', 'k', 'l', ';', '\'', '`', '\0', '\\', 'z', 'x', 'c', 'v',
'b', 'n', 'm', ',', '.', '/', '\0', '\0', '\0', ' '
};
const char en_layout_translation_shift[] = {
'\0', '\e', '!', '@', '#', '$', '%', '^', '&', '*', '(', ')', '_', '+', '\b', '\t',
'Q', 'W', 'E', 'R', 'T', 'Y', 'U', 'I', 'O', 'P', '{', '}', '\n', '\0', 'A', 'S',
'D', 'F', 'G', 'H', 'J', 'K', 'L', ':', '\"', '~', '\0', '|', 'Z', 'X', 'C', 'V',
'B', 'N', 'M', '<', '>', '?', '\0', '\0', '\0', ' '
};
\
#define ASCII_CTRL_OFFSET 96
#define SHIFT_PRESSED 0x2A
#define SHIFT_RELEASED 0xAA
#define CTRL_PRESSED 29
#define CTRL_RELEASED 157
#include <generic/locks/spinlock.hpp>
std::uint16_t KERNEL_GOOD_TIMER = HPET_TIMER;
static uacpi_interrupt_ret handle_power_button(uacpi_handle ctx) {
Log::Display(LEVEL_MESSAGE_OK,"Got uacpi power_button !\n");
return UACPI_INTERRUPT_HANDLED;
}
void interrupt_process_handle(void* arg) {
while(1) {
asm volatile("sti");
asm volatile("pause");
asm volatile("cli");
yield();
}
}
arch::x86_64::process_t* init = 0;
static void doKeyWork(uint8_t key,userspace_fd_t* fd_to_write) {
if(key == SHIFT_PRESSED) {
is_shift_pressed = 1;
return;
} else if(key == SHIFT_RELEASED) {
is_shift_pressed = 0;
return;
}
if(key == CTRL_PRESSED) {
is_ctrl_pressed = 1;
return;
} else if(key == CTRL_RELEASED) {
is_ctrl_pressed = 0;
return;
}
if(!(key & (1 << 7))) {
char layout_key;
if(!is_shift_pressed)
layout_key = en_layout_translation[key];
else
layout_key = en_layout_translation_shift[key];
if(is_ctrl_pressed)
layout_key = en_layout_translation[key] - ASCII_CTRL_OFFSET;
vfs::vfs::write(fd_to_write,&layout_key,1);
}
}
void ktty(void* arg) {
userspace_fd_t kbd;
userspace_fd_t tty;
memset(&kbd,0,sizeof(userspace_fd_t));
memset(&tty,0,sizeof(userspace_fd_t));
memcpy(kbd.path,"/dev/ps2keyboard0",sizeof("/dev/ps2keyboard0"));
memcpy(tty.path,"/dev/tty0",sizeof("/dev/tty0")); // tty0 is reserved for kernel tty
while(1) {
asm volatile("cli");
std::int32_t kbd_poll = vfs::vfs::poll(&kbd,POLLIN);
std::int32_t tty_poll = vfs::vfs::poll(&tty,POLLIN);
asm volatile("sti");
if(kbd_poll > 0) {
char buffer[32];
memset(buffer,0,32);
asm volatile("cli");
std::int64_t bytes_read = vfs::vfs::read(&kbd,buffer,32);
for(int i = 0;i < bytes_read;i++) {
doKeyWork(buffer[i], &tty);
}
asm volatile("sti");
}
if(tty_poll > 0) {
char buffer[128];
memset(buffer,0,128);
asm volatile("cli");
std::int64_t bytes_read = vfs::vfs::read(&tty,buffer,32);
asm volatile("sti");
if(bytes_read > 0) {
Log::RawDisp(buffer,bytes_read);
}
}
asm volatile("cli");
yield();
asm volatile("sti");
}
}
extern "C" void main() {
Other::ConstructorsInit();
asm volatile("cli");
drivers::serial serial(DEFAULT_SERIAL_PORT);
__wrmsr(0xC0000101,0);
memory::pmm::_physical::init();
memory::heap::init();
Log::Init();
memory::paging::init();
//Log::Display(LEVEL_MESSAGE_OK,"Paging initializied\n");
arch::x86_64::cpu::gdt::init();
//Log::Display(LEVEL_MESSAGE_OK,"GDT initializied\n");
arch::x86_64::interrupts::idt::init();
//Log::Display(LEVEL_MESSAGE_OK,"IDT initializied\n");
arch::x86_64::interrupts::pic::init();
Log::Display(LEVEL_MESSAGE_OK,"PIC initializied\n");
drivers::kvmclock::init();
drivers::acpi::init();
Log::Display(LEVEL_MESSAGE_OK,"ACPI initializied\n");
vfs::vfs::init();
Log::Display(LEVEL_MESSAGE_OK,"VFS initializied\n");
arch::x86_64::cpu::sse::init();
//Log::Display(LEVEL_MESSAGE_OK,"SSE initializied\n");
arch::x86_64::cpu::mp::init();
arch::x86_64::cpu::mp::sync(0);
Log::Display(LEVEL_MESSAGE_OK,"SMP initializied\n");
arch::x86_64::scheduling::init();
Log::Display(LEVEL_MESSAGE_OK,"Scheduling initializied\n");
init = arch::x86_64::scheduling::create();
extern int how_much_cpus;
for(int i = 0;i < how_much_cpus; i++) {
arch::x86_64::scheduling::create_kernel_thread(interrupt_process_handle,0); // we need to have processes which will do sti for interrupt waiting
}
xhci_init();
arch::x86_64::scheduling::create_kernel_thread(ktty,0);
drivers::pci::initworkspace();
Log::Display(LEVEL_MESSAGE_OK,"PCI initializied\n");
drivers::ps2::init();
vfs::ustar::copy();
Log::Display(LEVEL_MESSAGE_OK,"USTAR parsed\n");
arch::x86_64::syscall::init();
Log::Display(LEVEL_MESSAGE_OK,"Syscalls initializied\n");
sockets::init();
Log::Display(LEVEL_MESSAGE_OK,"Sockets initializied\n");
uacpi_status ret = uacpi_install_fixed_event_handler(
UACPI_FIXED_EVENT_POWER_BUTTON,
handle_power_button, UACPI_NULL
);
char* argv[] = {0};
char* envp[] = {"TERM=linux","SHELL=/bin/bash","PATH=/usr/bin:/bin",0};
Log::Display(LEVEL_MESSAGE_INFO,"Trying to sync cpus...\n");
arch::x86_64::cpu::mp::sync(1);
arch::x86_64::scheduling::loadelf(init,"/bin/bash",argv,envp,0);
arch::x86_64::scheduling::wakeup(init);
vfs::fdmanager* fd = (vfs::fdmanager*)init->fd;
int stdin = fd->create(init);
int stdout = fd->create(init);
int stderr = fd->create(init);
userspace_fd_t *stdins = fd->search(init,stdin);
userspace_fd_t *stdouts = fd->search(init,stdout);
userspace_fd_t* stderrs = fd->search(init,stderr);
memcpy(stdins->path,"/dev/pts/0",sizeof("/dev/pts/0"));
memcpy(stdouts->path,"/dev/pts/0",sizeof("/dev/pts/0"));
memcpy(stderrs->path,"/dev/pts/0",sizeof("/dev/pts/0"));
stdins->index = 0;
stdouts->index = 1;
stderrs->index = 2;
stdins->is_cached_path = 0;
stdouts->is_cached_path = 0;
stderrs->is_cached_path = 0;
extern locks::spinlock* vfs_lock;
extern locks::spinlock pmm_lock;
Log::Display(LEVEL_MESSAGE_FAIL,"\e[1;1H\e[2J");
arch::x86_64::cpu::lapic::tick(arch::x86_64::cpu::data()->lapic_block);
dmesg("Now we are in userspace...");
setwp();
asm volatile("sti");
while(1) {
asm volatile("hlt");
}
}
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