//https://www.gnu.org/software/grub/manual/multiboot/multiboot.html#Boot-information-format
#define FOOLOS_MODULE_NAME "multiboot"
#include "multiboot.h"
#include "driver/vesa.h"
#include "lib/logger/log.h"

multiboot_information* get_multiboot(uint32_t eax, uint32_t ebx)
{

    if(eax!=0x2badb002)panic(FOOLOS_MODULE_NAME,"EAX was not set properly by your bootlaoder!");
    multiboot_information *info;
    info=ebx;

    log(FOOLOS_MODULE_NAME,FOOLOS_LOG_INFO,"multiboot flags: 0x%08X",info->flags);

    if(info->flags&&1<<0)
    {
	log(FOOLOS_MODULE_NAME,FOOLOS_LOG_INFO,"[0] mem_lower: %d KB",info->mem_lower);
	log(FOOLOS_MODULE_NAME,FOOLOS_LOG_INFO,"[0] mem_upper: %d KB",info->mem_upper);
    }

    if(info->flags&&1<<1)
    {
	log(FOOLOS_MODULE_NAME,FOOLOS_LOG_INFO,"[1] boot-device 0x%08X",info->boot_device);
    }

    if(info->flags&&1<<2)
    {
	log(FOOLOS_MODULE_NAME,FOOLOS_LOG_INFO,"[2] cmdline: \"%s\"",info->cmdline);
    }

    if(info->flags&&1<<3)
    {
	log(FOOLOS_MODULE_NAME,FOOLOS_LOG_INFO,"[3] loaded modules count: %d",info->mods_count);
    }

    if(info->flags&&1<<4)
    {
	log(FOOLOS_MODULE_NAME,FOOLOS_LOG_INFO,"[4/5] a.out kernel image symbols found");
    }

    if(info->flags&&1<<5)
    {
	log(FOOLOS_MODULE_NAME,FOOLOS_LOG_INFO,"[4/5] ELF table: %d entries (sized %d) at 0x%08X",info->syms[0],info->syms[1],info->syms[2]);
    }

    if(info->flags&&1<<6)
    {
	log(FOOLOS_MODULE_NAME,FOOLOS_LOG_INFO,"[6] Found memory map");
    }

    if(info->flags&&1<<7)
    {
	log(FOOLOS_MODULE_NAME,FOOLOS_LOG_INFO,"[7] Found Drives map");
    }

    if(info->flags&&1<<8)
    {
	log(FOOLOS_MODULE_NAME,FOOLOS_LOG_INFO,"[8] ROM Configuration Table at: 0x%08X",info->config_table);
    }

    if(info->flags&&1<<9)
    {
	log(FOOLOS_MODULE_NAME,FOOLOS_LOG_INFO,"[9] Loaded by: \"%s\"",info->boot_loader_name);
    }

    if(info->flags&&1<<10)
    {
	log(FOOLOS_MODULE_NAME,FOOLOS_LOG_INFO,"[10] APM Table present.");
    }

    if(info->flags&&1<<11)
    {
	log(FOOLOS_MODULE_NAME,FOOLOS_LOG_INFO,"[11] VBE control info: 0x%08X",info->vbe_control_info);
	log(FOOLOS_MODULE_NAME,FOOLOS_LOG_INFO,"[11] VBE mode info: 0x%08X",info->vbe_mode_info);
	log(FOOLOS_MODULE_NAME,FOOLOS_LOG_INFO,"[11] VBE current mode (spec V3.0): 0x%08X",info->vbe_mode);
    }

    if(info->flags&&1<<12)
    {
	log(FOOLOS_MODULE_NAME,FOOLOS_LOG_INFO,"[12] Framebuffer (w:%d h:%d bpp:%d) at  addr=0x%08X",info->framebuffer_width,info->framebuffer_height,info->framebuffer_bpp,info->framebuffer_addr);
    }

    return info;

}