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-rw-r--r--kernel/src/main.cpp302
1 files changed, 30 insertions, 272 deletions
diff --git a/kernel/src/main.cpp b/kernel/src/main.cpp
index 292386e..e90731a 100644
--- a/kernel/src/main.cpp
+++ b/kernel/src/main.cpp
@@ -1,275 +1,33 @@
-
-#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 <cstdint>
+#include <generic/bootloader/bootloader.hpp>
+#include <utils/cxx/cxx_constructors.hpp>
+#include <generic/arch.hpp>
+#include <utils/flanterm.hpp>
+#include <generic/pmm.hpp>
+#include <generic/paging.hpp>
+#include <generic/heap.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");
- }
+extern std::size_t memory_size;
+
+extern "C" void kmain() {
+ utils::cxx::init_constructors();
+ bootloader::init();
+ utils::flanterm::init();
+ pmm::init();
+ paging::init();
+ kheap::init();
+ utils::flanterm::fullinit();
+ klibc::printf("PMM: Total usable memory: %lli bytes\r\n",memory_size); // i dont want to forgot these messages
+ klibc::printf("Paging: Enabled kernel root with %d level paging\n\r", arch::level_paging());
+ klibc::printf("KHeap: Available memory %lli bytes\r\n",KHEAP_SIZE);
+ acpi::init_tables();
+ arch::init(ARCH_INIT_EARLY);
+ acpi::full_init();
+ arch::init(ARCH_INIT_COMMON);
+ extern int is_early;
+ is_early = 0;
+ klibc::printf("Boot is done\r\n");
+ //*(int*)0x100 = 0;
+ arch::hcf();
}
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