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modified some syscall code in rlibc, fs stuff

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slinky55
2026-06-29 17:00:07 -05:00
parent 97357f3170
commit 432d160b7a
285 changed files with 4223 additions and 3957 deletions
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45
kernel/kmain.c
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@@ -3,6 +3,7 @@
#include "gdt.h"
#include "scheduler.h"
#include "common.h"
#include "initrd.h"
#include <lib/print.h>
#include <lib/stream.h>
@@ -23,15 +24,32 @@
extern char __kernel_start;
extern char __kernel_end;
void first_task() {
kprintf("task started\n");
int i = 5;
while (i--) {
sleep(1000);
kprintf("task awake [%d]\n", i);
void parse_multiboot_modules(uint32_t mbi_vaddr) {
// find where grub put the boot module containing initrd
multiboot_info* mbi = (multiboot_info*)mbi_vaddr;
uint32_t mod_count = mbi->mods_count;
multiboot_module_t* mod = (multiboot_module_t*)((uint32_t)mbi->mods_addr + 0xC0000000);
kprintf("found %d mods starting @ [v]0x%x\n", mod_count, (uint32_t)mod);
for (uint32_t i = 0; i < mod_count; i++) {
uint32_t start = mod[i].mod_start;
uint32_t end = mod[i].mod_end;
uint32_t cmdline = mod[i].cmdline;
multiboot_module_info_table[i].mod_start = start + 0xC0000000;
multiboot_module_info_table[i].mod_end = end + 0xC0000000;
multiboot_module_info_table[i].cmdline = cmdline + 0xC0000000;
}
kprintf("exiting\n");
exit();
}
void load_initrd() {
multiboot_module_t* initrd_module = &multiboot_module_info_table[0];
kprintf("initrd found @ [v] 0x%x\n", initrd_module->mod_start);
kprintf("reading initrd\n");
parse_cpio((void*)initrd_module->mod_start);
}
void kmain(uint32_t magic, multiboot_info* mbi) {
@@ -53,16 +71,13 @@ void kmain(uint32_t magic, multiboot_info* mbi) {
init_page_tables();
parse_multiboot_modules((uint32_t)mbi);
load_initrd();
kprintf("basic initializations complete\n");
disable_interrupts(); // just paranoid... do it again
init_scheduler();
enable_interrupts();
create_task((uint32_t)first_task, fetch_cr3());
while(1) {
sleep(5000);
kprintf("kernel awake\n");
}
}