/**
* Get the system going.
*
* Prepare all system-specific structures and initialise BP and APs. Enter root domain and continue there.
*
* TODO: relate Pistachio SMP startup routines here.
*/
extern "C" void kernel_startup()
{
// No dynamic memory allocation here yet, global objects not constructed either.
run_global_ctors();
global_descriptor_table_t gdt;
kconsole << "Created GDT." << endl;
interrupt_descriptor_table_t::instance().install();
kconsole << "Created IDT." << endl;
// Grab the bootinfo page and discover where is our bootimage.
bootinfo_t* bi = new(bootinfo_t::ADDRESS) bootinfo_t;
address_t start, end;
const char* name;
if (!bi->get_module(1, start, end, name))
{
PANIC("Bootimage not found!");
}
bootimage_t bootimage(name, start, end);
parse_cmdline(bi);
prepare_infopage(); // <-- init domain info page
check_cpu_features(); // cmdline might affect used CPU feats? (i.e. noacpi flag)
// TODO: CREATE INITIAL MEMORY MAPPINGS PROPERLY HERE
// TEMPORARY: just map all mem 0..min(16Mb, RAMtop) to 1-1 mapping? for simplicity
// int ramtop = 16*MiB;
bi->append_vmap(0, 0, 16*MiB);//min(16*MiB, ramtop));
timer_v1::closure_t* timer = init_timer();
timer->enable(0); // enable timer interrupts
kconsole << "Timer interrupt enabled." << endl;
x86_cpu_t::enable_fpu();
kconsole << "FPU enabled." << endl;
// kconsole << WHITE << "...in the living memory of V2_OS" << LIGHTGRAY << endl;
root_domain_t root_dom(bootimage);
// kconsole << "+ root_domain entry @ 0x" << root_dom.entry() << endl;
// Create an execution context and activate it.
continuation_t::gpregs_t gpregs;
gpregs.esp = read_stack_pointer();
gpregs.eax = 0;
gpregs.ebx = 0;
gpregs.eflags = 0x03002; /* Flags for root domain: interrupts disabled, IOPL=3 (program can use IO ports) */
new_context.set_gpregs(gpregs);
new_context.set_entry(root_dom.entry());//FIXME: depends on gpregs being set before this call!
new_context.activate(); // we have a liftoff!
/* Never reached */
PANIC("root domain returned!");
}
static void BootUpProblems()
{
s32 ret2;
// load main font from file, or default to built-in font
fontSystem = new FreeTypeGX();
fontSystem->loadFont(NULL, font_ttf, font_ttf_size, 0);
fontSystem->setCompatibilityMode(FTGX_COMPATIBILITY_DEFAULT_TEVOP_GX_PASSCLR | FTGX_COMPATIBILITY_DEFAULT_VTXDESC_GX_NONE);
GuiImageData bootimageData(gxlogo_png);
GuiImage bootimage(&bootimageData);
GuiText boottext(NULL, 20, (GXColor) {255, 255, 255, 255}
);
boottext.SetPosition(200, 240-1.2*bootimage.GetHeight()/2+250);
bootimage.SetPosition(320-1.2*bootimage.GetWidth()/2, 240-1.2*bootimage.GetHeight()/2);
bootimage.SetScale(1.2);
GuiImageData usbimageData(usbport_png);
GuiImage usbimage(&usbimageData);
usbimage.SetPosition(400,300);
usbimage.SetScale(.7);
usbimage.SetAlpha(200);
time_t curtime;
time_t endtime = time(0) + 30;
do
{
/*ret2 = IOS_ReloadIOSsafe(249);
if (ret2 < 0) {
ret2 = IOS_ReloadIOSsafe(222);
SDCard_Init();
load_ehc_module();
SDCard_deInit();
if(ret2 <0) {
boottext.SetText("ERROR: cIOS could not be loaded!");
bootimage.Draw();
boottext.Draw();
Menu_Render();
sleep(5);
SYS_ResetSystem(SYS_RETURNTOMENU, 0, 0);
}
}*/
USBDevice_deInit();
USBDevice_Init();
ret2 = WBFS_Init(WBFS_DEVICE_USB);
if (ret2 >= 0)
{
boottext.SetText("Loading...");
bootimage.Draw();
boottext.Draw();
Menu_Render();
break;
}
curtime = time(0);
boottext.SetTextf("Waiting for your slow USB Device: %i secs...", int(endtime-curtime));
while(curtime == time(0))
{
boottext.Draw();
bootimage.Draw();
if (endtime-curtime<15)usbimage.Draw();
Menu_Render();
}
} while((endtime-time(0)) > 0);
/*if(ret2 < 0) {
boottext.SetText("ERROR: USB device could not be loaded!");
usbimage.Draw();
bootimage.Draw();
boottext.Draw();
Menu_Render();
SYS_ResetSystem(SYS_RETURNTOMENU, 0, 0);
}*/
///delete font to load up custom if set
if(fontSystem)
{
delete fontSystem;
fontSystem = NULL;
}
}
