blob: 04dc9a73c669be334a321a15c6b288b1524b7971 [file] [log] [blame]
swissChilie4f01992021-02-25 15:38:12 -08001#include "alloc.h"
swissChilid8137922021-02-17 15:34:07 -08002#include "descriptor_tables.h"
swissChili825d46b2021-02-21 10:14:16 -08003#include "io.h"
4#include "log.h"
swissChilicfd3c3c2021-04-03 15:04:24 -07005#include "multiboot.h"
swissChilie4f01992021-02-25 15:38:12 -08006#include "paging.h"
swissChilicfd3c3c2021-04-03 15:04:24 -07007#include "syscall.h"
8#include "task.h"
swissChilidefeb0d2021-02-18 15:28:36 -08009#include "timer.h"
swissChilif5448622021-03-08 20:17:36 -080010#include "vfs.h"
swissChilic2e62ed2021-03-10 17:04:18 -080011#include "vfs_initrd.h"
swissChilicfd3c3c2021-04-03 15:04:24 -070012#include "vga.h"
swissChili1a3f07f2021-04-05 20:01:55 -070013#include <dri/ata_pio/ata_pio.h>
swissChilica268482021-05-28 18:31:46 -070014#include <dri/pci/pci.h>
swissChili5fe85a12021-05-31 08:10:27 -070015#include <dri/ide/ide.h>
swissChili4418ca52021-06-14 17:36:00 -070016#include <dri/fs/ext2/ext2.h>
swissChilicfd3c3c2021-04-03 15:04:24 -070017
18void greet()
19{
swissChili9bd74de2021-06-15 20:30:48 -070020 kprintf(DEBUG "Hello from get_task_id() = %d, get_process_id() = %d\n",
swissChilicfd3c3c2021-04-03 15:04:24 -070021 get_task_id(), get_process_id());
22}
23
swissChilif01ddcc2021-04-04 11:31:34 -070024void other_thread(size_t data)
swissChilicfd3c3c2021-04-03 15:04:24 -070025{
swissChili9bd74de2021-06-15 20:30:48 -070026 kprintf(DEBUG "data is 0x%x\n", data);
swissChilif01ddcc2021-04-04 11:31:34 -070027 greet();
swissChili9bd74de2021-06-15 20:30:48 -070028 kprintf(DEBUG "Returning from other_thread\n");
swissChilif01ddcc2021-04-04 11:31:34 -070029
30 return;
swissChilicfd3c3c2021-04-03 15:04:24 -070031}
swissChilid8137922021-02-17 15:34:07 -080032
swissChilida23a912021-03-12 16:07:50 -080033int kmain(struct multiboot_info *mboot)
swissChilid8137922021-02-17 15:34:07 -080034{
swissChilie0a79bb2021-02-22 19:54:48 -080035 init_paging();
swissChilidc25b2b2021-02-23 17:07:13 -080036 init_vga();
swissChili0b35bf22021-02-18 12:49:40 -080037 init_descriptor_tables();
swissChili64228692021-03-16 08:19:23 -070038 init_syscall();
swissChili6c0519e2021-03-07 19:40:23 -080039 vga_clear();
swissChilid8137922021-02-17 15:34:07 -080040
swissChili825d46b2021-02-21 10:14:16 -080041 init_timer(20);
swissChilie4f01992021-02-25 15:38:12 -080042 init_allocator();
swissChili19ef4182021-02-21 17:45:51 -080043 init_kbd();
swissChilie4f01992021-02-25 15:38:12 -080044
swissChili6c0519e2021-03-07 19:40:23 -080045#ifdef TEST_ALLOC
46 test_allocator();
47#endif
swissChilie4f01992021-02-25 15:38:12 -080048
swissChili9752ab32021-03-05 11:20:13 -080049 // Load initrd
swissChilida23a912021-03-12 16:07:50 -080050 struct multiboot_info mb = make_multiboot_physical(mboot);
swissChili2b5acc82021-03-13 17:06:42 -080051 init_vfs();
swissChili9752ab32021-03-05 11:20:13 -080052
swissChili2b5acc82021-03-13 17:06:42 -080053#ifdef INITRD
swissChili9752ab32021-03-05 11:20:13 -080054 kassert(mb.mods_count, "No multiboot modules loaded!");
swissChili9bd74de2021-06-15 20:30:48 -070055 kprintf(DEBUG "mboot->mods_addr = %d (0x%x)\n", mb.mods_addr, mb.mods_addr);
swissChilida23a912021-03-12 16:07:50 -080056 uchar *initrd_loc = (uchar *)((uint *)mb.mods_addr)[0];
swissChili9752ab32021-03-05 11:20:13 -080057
swissChili9bd74de2021-06-15 20:30:48 -070058 kprintf(DEBUG "initrd is at 0x%x to 0x%x\n", initrd_loc);
swissChili9752ab32021-03-05 11:20:13 -080059
swissChili2b5acc82021-03-13 17:06:42 -080060 init_initrd_vfs(initrd_loc);
61#endif
swissChilida23a912021-03-12 16:07:50 -080062
swissChili9bd74de2021-06-15 20:30:48 -070063 kprintf(OKAY "VFS initialized\n");
swissChilif5448622021-03-08 20:17:36 -080064
swissChili9bd74de2021-06-15 20:30:48 -070065 kprintf(OKAY "Initial setup complete!\n");
swissChilif5448622021-03-08 20:17:36 -080066
swissChili2b5acc82021-03-13 17:06:42 -080067#ifdef TEST_VFS_INITRD
swissChili9bd74de2021-06-15 20:30:48 -070068 kprintf(INFO "fs_readdir(\"/dev/initrd\")\n");
swissChilib7fe8992021-03-10 16:25:47 -080069
70 struct fs_dirent dirent;
swissChilida23a912021-03-12 16:07:50 -080071 for (int i = 0; fs_readdir(&root, i, &dirent); i++)
swissChilib7fe8992021-03-10 16:25:47 -080072 {
swissChili9bd74de2021-06-15 20:30:48 -070073 kprintf(INFO "name: %s, inode: %d\n", dirent.name, dirent.inode);
swissChilib7fe8992021-03-10 16:25:47 -080074 }
swissChili2b5acc82021-03-13 17:06:42 -080075#endif
swissChilib7fe8992021-03-10 16:25:47 -080076
swissChili402a3832021-05-29 21:41:31 -070077 asm("sti");
swissChiliaed6ff32021-05-29 17:51:04 -070078
swissChilicfd3c3c2021-04-03 15:04:24 -070079 init_tasks();
swissChili5fe85a12021-05-31 08:10:27 -070080 pci_init();
81
82 // Register PCI drivers
83 ide_register();
84
85 pci_load();
86
swissChili9bd74de2021-06-15 20:30:48 -070087 kprintf(OKAY "Loaded PCI devices\n");
88
swissChili402a3832021-05-29 21:41:31 -070089#ifdef TEST_THREADS
swissChilif01ddcc2021-04-04 11:31:34 -070090 spawn_thread(other_thread, NULL);
swissChilicfd3c3c2021-04-03 15:04:24 -070091
swissChilif01ddcc2021-04-04 11:31:34 -070092 greet();
swissChili402a3832021-05-29 21:41:31 -070093#endif
swissChilidefeb0d2021-02-18 15:28:36 -080094
swissChiliaed6ff32021-05-29 17:51:04 -070095#ifdef TEST_PCI
swissChili402a3832021-05-29 21:41:31 -070096 pci_print_devices();
swissChili5fe85a12021-05-31 08:10:27 -070097 pci_print_drivers();
swissChiliaed6ff32021-05-29 17:51:04 -070098#endif
99
swissChili4418ca52021-06-14 17:36:00 -0700100#ifdef TEST_ATA_PIO
101 test_ata_pio();
102#endif
103
swissChili9bd74de2021-06-15 20:30:48 -0700104#ifdef TEST_EXT2
105 if (ext2_valid_filesystem())
106 {
107 kprintf(INFO "Mounting EXT2 to /\n");
108 ext2_mount(&root);
109 }
110#endif
swissChili4418ca52021-06-14 17:36:00 -0700111
swissChilief97c262021-04-04 10:20:21 -0700112 while (true)
swissChili402a3832021-05-29 21:41:31 -0700113 asm("hlt");
swissChilif01ddcc2021-04-04 11:31:34 -0700114
swissChilid8137922021-02-17 15:34:07 -0800115 return 0xCAFEBABE;
116}