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//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;
}
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