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kernel - v0.7 beta

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+ acpi: add acpi support
+ lapic: add lapic support
+ ioapic: add ioapic support
+ arch/x86_64: add support for "syscall"/"sysret"
This commit is contained in:
RaphProductions 2025-05-15 18:49:09 +02:00
parent 4d52bac946
commit a8e919b033
53 changed files with 772 additions and 331 deletions
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15
kernel/src/sched/sched.c
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@ -1,11 +1,13 @@
#include "sched/sched.h"
#include "arch/x86_64/msr.h"
#include "mm/memop.h"
#include "mm/pmm.h"
#include "mm/vmm.h"
#include "sys/arch/x86_64/idt.h"
#include "arch//x86_64/idt.h"
#include "sys/log.h"
#include <lib/string.h>
#include <stddef.h>
#include <mm/liballoc/liballoc.h>
sched_process *proc_list;
sched_process *curr_proc;
@ -31,7 +33,7 @@ void sched_init() {
// We must initialize the process list.
// By default, sched_create will append to this list.
proc_list = pmm_request_page();
proc_list = malloc(sizeof(sched_process));
memcpy(proc_list->name, "System\0", 7);
proc_list->pid = -1;
proc_list->type = SCHED_EMPTY;
@ -49,7 +51,7 @@ void sched_init() {
sched_process *sched_create(char *name, uint64_t entry_point, pagemap_t *pm,
uint32_t flags) {
sched_process *proc = pmm_request_page();
sched_process *proc = malloc(sizeof(sched_process));
memset(proc, 0, sizeof(sched_process));
memcpy(proc->name, name, strlen(name) > 128 ? 128 : strlen(name));
@ -64,10 +66,12 @@ sched_process *sched_create(char *name, uint64_t entry_point, pagemap_t *pm,
proc->pm = pm;
uint64_t *stack_phys = pmm_request_page();
uint64_t *kstack_phys = pmm_request_page();
uint64_t *stack_virt = (uint64_t *)0x40000000;
proc->kernel_stack = HIGHER_HALF(kstack_phys) + PMM_PAGE_SIZE;
if (flags == SCHED_KERNEL_PROCESS) {
proc->stack_base = stack_phys;
proc->stack_base = HIGHER_HALF(stack_phys);
proc->stack_base_physical = stack_phys;
proc->stack_end = proc->stack_base + PMM_PAGE_SIZE;
} else if (flags == SCHED_USER_PROCESS) {
@ -110,6 +114,7 @@ sched_process *sched_create(char *name, uint64_t entry_point, pagemap_t *pm,
"disabled.\n");
}
log("sched - created process '%s' (pid: %d, rip: %p)\n", proc->name,
proc->pid, proc->regs.rip);
return proc;
@ -152,5 +157,7 @@ void schedule(registers_t *regs) {
memcpy(regs, &curr_proc->regs, sizeof(registers_t));
wrmsr(IA32_GS_KERNEL_MSR, (uint64_t)curr_proc);
//log("sched - proc %d\n", curr_proc->pid);
vmm_load_pagemap(curr_proc->pm);
}