Karina
85 lines
2.0 KiB
C
85 lines
2.0 KiB
C
// SPDX-License-Identifier: GPL-3.0-or-later
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// Copyright (c) 2025 0xKarinyash
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#include "../../common/bootinfo.h"
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#include "types.h"
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#include "shitgui.h"
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#include "serial.h"
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#include "console.h"
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#include "panic.h" // IWYU pragma: keep
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#include "gdt.h"
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#include "idt.h"
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#include "pmm.h"
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#include "vmm.h"
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#include "../data/logo.h"
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#include "vmm.h"
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int rectest(int a) {
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volatile int b = a + 1;
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kprintf("%d", b);
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return rectest(b * 2);
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}
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extern u64 _kernel_end;
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extern u8* bitmap;
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extern u64 bitmap_size_g;
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extern u64* pml4_kernel;
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void kmain(Bootinfo* info) {
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u32 *fb = (u32*)info->framebuffer.base;
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if (!fb) return;
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SG_Context sg_ctx = {0};
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sg_ctx.fb = fb;
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sg_ctx.height = info->framebuffer.height;
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sg_ctx.width = info->framebuffer.width;
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sg_ctx.pitch = info->framebuffer.pitch;
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SG_Point start_pos = {75, 55}; // greeting
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serial_init();
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console_init(&sg_ctx);
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console_clear(0xFFFFFF);
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console_set_cursor_pos(&start_pos);
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console_set_color(0x000000);
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gdt_init();
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idt_init();
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SG_Point logo_point = {0, 10};
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sg_put_img(&sg_ctx, &logo_point, &logo_img);
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kprintf("Welcome to ^ptermOS^0!!!\n");
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SG_Point text_normal_point = {0, 120}; // not nice to hardcode nums like that but we have what we have
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console_set_cursor_pos(&text_normal_point);
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pmm_init(info->mem);
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kprintf("MemoryMap located at ^g%x^0 (^r%X^0); \
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\nMemory map size is ^g%x^0\
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\nKernel ends at ^g%x^0\
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\nBITMAP located at ^g%x^0 (^r%x^0)", (u64)info->mem.map, (u64)info->mem.map,(u64)info->mem.map_size, &_kernel_end, bitmap, bitmap_size_g);
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vmm_init(info);
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kprintf("\nIM ALIVE :D");
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// kprintf("\nSetting up guard page test");
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// u64* new_stack_phys = pmm_alloc_page();
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// u64 stack_top = 0x40000000;
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// vmm_map_page(pml4_kernel, (u64)new_stack_phys, stack_top, PTE_PRESENT | PTE_RW);
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// __asm__ volatile (
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// "mov %0, %%rsp \n"
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// :: "r"(stack_top + 4096)
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// );
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// rectest(0);
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while (1) { __asm__("hlt"); }
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} |