145 lines
3.2 KiB
C++
145 lines
3.2 KiB
C++
#include <stddef.h>
|
|
#include <stdint.h>
|
|
|
|
#include "kutil/assert.h"
|
|
#include "kutil/memory.h"
|
|
#include "block_device.h"
|
|
#include "console.h"
|
|
#include "cpu.h"
|
|
#include "device_manager.h"
|
|
#include "font.h"
|
|
#include "gdt.h"
|
|
#include "interrupts.h"
|
|
#include "io.h"
|
|
#include "kernel_data.h"
|
|
#include "log.h"
|
|
#include "memory.h"
|
|
#include "page_manager.h"
|
|
#include "scheduler.h"
|
|
#include "screen.h"
|
|
#include "serial.h"
|
|
|
|
extern "C" {
|
|
void kernel_main(popcorn_data *header);
|
|
void syscall_enable();
|
|
|
|
void *__bss_start, *__bss_end;
|
|
}
|
|
|
|
extern void __kernel_assert(const char *, unsigned, const char *);
|
|
|
|
void
|
|
init_console(const popcorn_data *header)
|
|
{
|
|
serial_port *com1 = new (&g_com1) serial_port(COM1);
|
|
console *cons = new (&g_console) console(com1);
|
|
|
|
if (header->frame_buffer) {
|
|
screen *s = new screen(
|
|
header->frame_buffer,
|
|
header->hres,
|
|
header->vres,
|
|
header->rmask,
|
|
header->gmask,
|
|
header->bmask);
|
|
font *f = new font(header->font);
|
|
cons->init_screen(s, f);
|
|
}
|
|
|
|
cons->set_color(0x21, 0x00);
|
|
cons->puts("Popcorn OS ");
|
|
cons->set_color(0x08, 0x00);
|
|
cons->puts(GIT_VERSION " booting...\n");
|
|
|
|
log::init(cons);
|
|
log::enable(logs::apic, log::level::info);
|
|
log::enable(logs::device, log::level::debug);
|
|
log::enable(logs::driver, log::level::debug);
|
|
log::enable(logs::memory, log::level::info);
|
|
log::enable(logs::fs, log::level::debug);
|
|
log::enable(logs::task, log::level::debug);
|
|
}
|
|
|
|
void do_error_3() { volatile int x = 1; volatile int y = 0; volatile int z = x / y; }
|
|
void do_error_2() { do_error_3(); }
|
|
void do_error_1() { do_error_2(); }
|
|
|
|
void
|
|
kernel_main(popcorn_data *header)
|
|
{
|
|
kutil::assert_set_callback(__kernel_assert);
|
|
|
|
gdt_init();
|
|
interrupts_init();
|
|
|
|
page_manager *pager = new (&g_page_manager) page_manager;
|
|
|
|
memory_initialize(
|
|
header->memory_map,
|
|
header->memory_map_length,
|
|
header->memory_map_desc_size);
|
|
|
|
pager->map_offset_pointer(
|
|
&header->frame_buffer,
|
|
header->frame_buffer_length);
|
|
|
|
init_console(header);
|
|
// pager->dump_blocks();
|
|
|
|
device_manager *devices =
|
|
new (&device_manager::get()) device_manager(header->acpi_table);
|
|
|
|
interrupts_enable();
|
|
|
|
/*
|
|
cpu_id cpu;
|
|
log::info(logs::boot, "CPU Vendor: %s", cpu.vendor_id());
|
|
log::info(logs::boot, "CPU Family %x Model %x Stepping %x",
|
|
cpu.family(), cpu.model(), cpu.stepping());
|
|
|
|
auto r = cpu.get(0x15);
|
|
log::info(logs::boot, "CPU Crystal: %dHz", r.ecx);
|
|
|
|
addr_t cr4 = 0;
|
|
__asm__ __volatile__ ( "mov %%cr4, %0" : "=r" (cr4) );
|
|
log::info(logs::boot, "cr4: %016x", cr4);
|
|
*/
|
|
|
|
devices->init_drivers();
|
|
|
|
/*
|
|
block_device *disk = devices->get_block_device(0);
|
|
if (disk) {
|
|
for (int i=0; i<1; ++i) {
|
|
uint8_t buf[512];
|
|
kutil::memset(buf, 0, 512);
|
|
|
|
kassert(disk->read(0x200, sizeof(buf), buf),
|
|
"Disk read returned 0");
|
|
|
|
console *cons = console::get();
|
|
uint8_t *p = &buf[0];
|
|
for (int i = 0; i < 8; ++i) {
|
|
for (int j = 0; j < 16; ++j) {
|
|
cons->printf(" %02x", *p++);
|
|
}
|
|
cons->putc('\n');
|
|
}
|
|
}
|
|
} else {
|
|
log::warn(logs::boot, "No block devices present.");
|
|
}
|
|
*/
|
|
|
|
// do_error_1();
|
|
// __asm__ __volatile__("int $15");
|
|
|
|
// pager->dump_pml4();
|
|
|
|
syscall_enable();
|
|
scheduler *sched = new (&scheduler::get()) scheduler(devices->get_lapic());
|
|
sched->start();
|
|
|
|
g_console.puts("boogity!\n");
|
|
}
|