0652010b1c
+ elf: Prevent dynamically linked programs from running on Soaplin. + sched: Support creating a process from a program_t structure. + syscall: Fix a bug where using syscall number 1024 would crash the OS. + syscall: Added a write syscall. It can only be used for writing to the standard output (FD: 1)
141 lines
3.5 KiB
C
141 lines
3.5 KiB
C
#include "arch/x86_64/pit.h"
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#include "arch/x86_64/smp.h"
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#include "arch/x86_64/sse.h"
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#include "dbg/sym.h"
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#include "dev/ioapic.h"
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#include "dev/lapic.h"
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#include "exec/elf.h"
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#include "exec/exec.h"
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#include "fs/hellofs.h"
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#include "mm/liballoc/liballoc.h"
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#include "mm/pmm.h"
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#include "mm/vma.h"
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#include "mm/vmm.h"
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#include "sched/sched.h"
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#include "sys/acpi.h"
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#include "sys/acpi/madt.h"
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#include "sys/syscall.h"
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#include <arch/x86_64/fpu.h>
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#include <arch/x86_64/gdt.h>
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#include <arch/x86_64/idt.h>
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#include <font.h>
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#include <fs/vfs.h>
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#include <limine.h>
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#include <mm/memop.h>
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#include <stdbool.h>
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#include <stddef.h>
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#include <stdint.h>
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#include <sys/errhnd/panic.h>
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#include <sys/gfx/flanterm/backends/fb.h>
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#include <sys/gfx/flanterm/flanterm.h>
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#include <sys/log.h>
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#include <sys/printf.h>
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__attribute__((
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used, section(".limine_requests"))) static volatile LIMINE_BASE_REVISION(3);
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__attribute__((
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used,
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section(
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".limine_requests"))) static volatile struct limine_framebuffer_request
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framebuffer_request = {.id = LIMINE_FRAMEBUFFER_REQUEST, .revision = 0};
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__attribute__((
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used,
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section(".limine_requests"))) static volatile struct limine_module_request
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module_request = {.id = LIMINE_MODULE_REQUEST, .revision = 0};
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__attribute__((used,
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section(".limine_requests_"
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"start"))) static volatile LIMINE_REQUESTS_START_MARKER;
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__attribute__((
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used,
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section(
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".limine_requests_end"))) static volatile LIMINE_REQUESTS_END_MARKER;
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struct limine_framebuffer *fb;
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struct flanterm_context *ft_ctx;
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char kstack[8192];
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void __kmain(void) {
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if (framebuffer_request.response != NULL) {
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struct limine_framebuffer *framebuffer =
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framebuffer_request.response->framebuffers[0];
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fb = framebuffer;
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ft_ctx = flanterm_fb_init(
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NULL, NULL, framebuffer->address, framebuffer->width,
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framebuffer->height, framebuffer->pitch, framebuffer->red_mask_size,
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framebuffer->red_mask_shift, framebuffer->green_mask_size,
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framebuffer->green_mask_shift, framebuffer->blue_mask_size,
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framebuffer->blue_mask_shift, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
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VGA8, 8, 16, 0, 0, 0, 0);
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}
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printf("\n Soaplin 0.7-sild is booting up your computer...\n\n");
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gdt_init(&kstack[8192]);
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idt_init();
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pmm_init();
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vmm_init();
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kernel_vma_context = vma_create_context(vmm_kernel_pm);
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if (!kernel_vma_context) {
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log("kernel - vma ctx creation failed. halting\n");
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asm("cli");
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while (1)
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asm("hlt");
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}
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ksym_init();
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func *f = ksym_fromip((uint64_t)__kmain);
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if (f) {
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log("ksym: found %s at %p\n", f->name, f->ip);
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} else {
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log("ksym: not found\n");
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}
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acpi_init();
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madt_init();
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ioapic_init();
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lapic_init();
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pit_init();
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smp_init();
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vfs_init();
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fs_t *hellofs = hellofs_init();
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vfs_mount("/", hellofs);
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vnode_t *vn;
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vfs_open(NULL, "/hello", &vn);
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if (vn) {
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char buf[100];
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vfs_read(vn, buf, 2, sizeof(buf));
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log("Read from /hello: %s\n", buf);
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} else {
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log("Failed to open /hello\n");
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}
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syscall_init();
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sched_init();
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// vfs_init();
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// panic("No working initialization program found. (This is normal due to "
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// "Soaplin's current state, so please do not report this as a bug)");
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program_t *p = elf_load(module_request.response->modules[0]->address, 1);
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sched_process *proc =
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sched_from_program(p);
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log("kernel - Soaplin initialized sucessfully.\n");
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pit_enable();
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while (1)
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;;
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}
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