ASMLINK NORETURN
void
mpmain(struct cpu *cpu)
{
long unit = cpu->unit;
seginit(unit);
idtset();
m_atomwrite((m_atomic_t *)&cpu->flg, CPUSTARTED);
mpinitcpu(unit);
schedloop();
/* NOTREACHED */
for ( ; ; ) { ; }
}
void
kinitlong(unsigned long pmemsz)
{
#if (NEWTMR)
uint32_t tmrcnt = 0;
#endif
/* initialise interrupt management */
#if (VBE)
trapinitprot();
#endif
/* initialise virtual memory */
vminitlong((uint64_t *)kernpagemapl4tab);
#if 0
/* FIXME: map possible device memory */
vmmapseg((uint32_t *)&_pagetab, DEVMEMBASE, DEVMEMBASE, 0xffffffffU,
PAGEPRES | PAGEWRITE | PAGENOCACHE);
#endif
// schedinit();
/* zero kernel BSS segment */
kbzero(&_bssvirt, (uint32_t)&_ebssvirt - (uint32_t)&_bssvirt);
/* set kernel I/O permission bitmap to all 1-bits */
kmemset(&kerniomap, 0xff, sizeof(kerniomap));
/* INITIALIZE CONSOLES AND SCREEN */
#if (VBE)
vbeinitscr();
#endif
#if (VBE) && (NEWFONT)
consinit(768 / vbefontw, 1024 / vbefonth);
#elif (VBE)
consinit(768 >> 3, 1024 >> 3);
#endif
/* TODO: use memory map from GRUB? */
// vminitphys((uintptr_t)&_epagetab, pmemsz);
vminitphys((uintptr_t)&_epagetab, pmemsz);
meminit(pmemsz);
tssinit(0);
#if (VBE) && (NEWFONT)
// consinit(768 / vbefontw, 1024 / vbefonth);
#elif (VBE)
consinit(768 >> 3, 1024 >> 3);
#endif
#if (SMBIOS)
smbiosinit();
#endif
#if (PS2DRV)
ps2init();
#endif
#if (VBE) && (PLASMA)
plasmaloop();
#endif
#if (VBE)
vbeprintinfo();
#endif
logoprint();
// vminitphys((uintptr_t)&_ebss, pmemsz - (unsigned long)&_ebss);
/* HID devices */
#if (PCI)
/* initialise PCI bus driver */
pciinit();
#endif
#if (ATA)
/* initialise ATA driver */
atainit();
#endif
#if (SB16)
/* initialise Soundblaster 16 driver */
sb16init();
#endif
#if (ACPI)
/* initialise ACPI subsystem */
acpiinit();
#endif
/* initialise block I/O buffer cache */
if (!bufinit()) {
kprintf("failed to allocate buffer cache\n");
while (1) {
;
}
}
/* allocate unused device regions (in 3.5G..4G) */
// pageaddzone(DEVMEMBASE, &vmshmq, 0xffffffffU - DEVMEMBASE + 1);
#if (SMP) || (APIC)
//#if (SMP)
/* multiprocessor initialisation */
// mpinit();
//#endif
if (mpncpu == 1) {
kprintf("found %ld processor\n", mpncpu);
} else {
kprintf("found %ld processors\n", mpncpu);
}
#if (HPET)
/* initialise high precision event timers */
hpetinit();
#endif
#if (NEWTMR)
tmrcnt = apicinitcpu(0);
#else
apicinitcpu(0);
#endif
#if (IOAPIC)
ioapicinit(0);
#endif
#endif /* SMP || APIC */
#if (SMP)
if (mpmultiproc) {
mpstart();
}
#endif
/* CPU interface */
taskinit();
// tssinit(0);
// machinit();
/* execution environment */
procinit(PROCKERN);
// k_curtask = &k_curproc->task;
// sysinit();
kprintf("DMA buffers (%ul x %ul kilobytes) @ 0x%p\n",
DMANCHAN, DMACHANBUFSIZE >> 10, DMABUFBASE);
kprintf("VM page tables @ 0x%p\n", (unsigned long)&_pagetab);
// kprintf("%ld kilobytes physical memory\n", pmemsz >> 10);
kprintf("%ld kilobytes kernel memory\n", (uint32_t)&_ebss >> 10);
kprintf("%ld kilobytes allocated physical memory (%ld wired, %ld total)\n",
(vmpagestat.nwired + vmpagestat.nmapped + vmpagestat.nbuf) << (PAGESIZELOG2 - 10),
vmpagestat.nwired << (PAGESIZELOG2 - 10),
vmpagestat.nphys << (PAGESIZELOG2 - 10));
k_curcpu = &cputab[0];
cpuinit(k_curcpu);
schedinit();
#if (APIC)
apicstarttmr(tmrcnt);
#else
pitinit();
#endif
schedloop();
/* NOTREACHED */
}
