101 lines
2.7 KiB
C
101 lines
2.7 KiB
C
#include "types.h"
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#include "Tier0/kstdio.h"
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/*#include "Tier0/gdt.h"
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#include "Tier0/paging.h"
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#include "Tier0/acpi.h"
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#include "Tier0/interrupts.h"
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#include "Tier0/ps2.h"
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#include "Tier0/system.h"
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#include "Tier0/pic.h"
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#include "Tier0/kbd_layout.h"
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#include "Tier0/physical_alloc.h"
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#include "Tier0/heap.h"
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#include "Tier0/cpp.h"
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#include "Tier0/exceptions.h"
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#include "Tier0/panic.h"
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#include "Tier0/prng.h"*/
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// Real kernel entry point, called from loader
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void kmain(u32 current_line, u32 cursor_x, u32 cursor_y)
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{
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kstdio_init();
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kstdio_set_globals(current_line, cursor_x, cursor_y);
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//kclear();
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kprintf("\n _ \n"
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" ___ _ _ ___ _ _ _____| |_ ___ ___ \n"
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" | _| | | _| | | | . | -_| _|\n"
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" |___|___|___|___|_|_|_|___|___|_| \n\n");
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kprintf("[i] Welcome to Cucumber (x86-64)!\n");
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//kprintf("%x %x %x\n", current_line, cursor_x, cursor_y);
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for (;;) {}
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/*if (Magic != 0x2BADB002)
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{
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kprintf("[e] Fatal! Boot via incompatible bootloader.\n");
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return;
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}
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paging_init_simple();
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gdt_create_flat();
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physmem_init();
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system_parse_multiboot_header(MultibootHeader);
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//Add kernel memory as reserved.
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physmem_mark_as_used(0);
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physmem_mark_as_used(1);
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kprintf("[i] Booting via %s.\n", system_get_bootloader_name());
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kprintf("[i] Memory available: %uk.\n", system_get_memory_upper());
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u32 RSDPAddress = acpi_find_rsdp();
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if (RSDPAddress == 0)
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{
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kprintf("[e] Fatal! ACPI not found.\n");
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return;
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}
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interrupts_init_simple();
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exceptions_init_simple();
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pic_init(0, 0);
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ps2_init_simple();
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kbd_layout_set_default();
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__asm__ volatile("sti");
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kprintf("[i] Hardware interrupts are now enabled.\n");
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heap_init_simple();
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kprintf("[i] Initializing PRNG...\n");
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u16 RLow, RHigh;
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__asm__ __volatile__ ("rdtsc" : "=a" (RLow), "=d" (RHigh));
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u32 R = (RHigh << 16) | RLow;
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kprintf("[i] %i\n", R);
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kseed(R);
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for (u32 Rl = 0; Rl < R; Rl++)
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{
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krand();
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}
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// Let's create a new kernel stack
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u32 StackPhysical = physmem_allocate_page() * 1024 * 4;
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paging_map_kernel_page(0xA0000000, StackPhysical);
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// And now let's use it and forget ebp because we can.
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__asm__ volatile("mov %0, %%esp" : : "r" (0xA0000000 + 4095));
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// This automagically creates a new usable stack frame
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kmain_newstack();*/
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}
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/*void kmain_newstack(void)
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{
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kprintf("[i] Now using real stack...\n");
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cpp_call_ctors();
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cpp_start_ckernel();
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kprintf("[i] Returned from Tier1, sleeping forever.\n");
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LOOPFOREVER;
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}*/
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