cyg_bool mii_negotiate(void)
{
int timeout = 100000;
MIIAR = PHYS(4);
mii_poll_busy();
MIIAR = PHYS(0);
MIIWDR |= 0x1200;
mii_poll_busy();
while(timeout)
{
MIIAR = PHYS(1);
MIICR = 1;
mii_poll_busy();
if(0x24 == (MIIRDR & 0x24))
return 0;
else
timeout--;
}
return 1;
}
cyg_bool mii_check_duplex(void)
{
MIIAR = PHYS(17);
MIICR = 1;
mii_poll_busy();
return (MIIRDR >> 9) & 1;
}
cyg_bool mii_check_speed(void)
{
MIIAR = PHYS(17);
MIICR = 1;
mii_poll_busy();
return (MIIRDR >> 14) & 1;
}
void mii_set_speed(cyg_bool speed, cyg_bool duplex)
{
unsigned long int timeout = 1000000;
MIIAR = PHYS(0); // select command register
MIIWDR = (speed << 13) | (duplex << 8); // set speed and duplex
mii_poll_busy();
while(timeout)
{
MIIAR = PHYS(1); // select status register
MIICR = 1;
mii_poll_busy();
if((MIIRDR) & 0x4)
break;
timeout--;
}
}
/* Create a page table that maps VM's physical addresses to PM's physical address and
* return the (PM's) physical base address of the table. */
static unsigned long
create_vm_pmem_mapping_table ( unsigned long vm_pmem_start, unsigned long vm_pmem_size )
{
const unsigned long cr3 = pml4_table_create ( );
const unsigned long pml4 = ( unsigned long ) VIRT ( cr3 );
const unsigned long vm_pmem_pfn = PFN_DOWN_2MB ( PHYS ( vm_pmem_start ) );
int i;
for ( i = 0; i < PFN_UP_2MB ( vm_pmem_size ); i++ ) {
const unsigned long vm_paddr = i << PAGE_SHIFT_2MB;
const unsigned long pm_pfn = i + ( is_reserved_pmem ( i ) ? 0 : vm_pmem_pfn ); /* for VGA (too naive) */
const unsigned long pm_paddr = pm_pfn << PAGE_SHIFT_2MB;
mmap ( pml4, vm_paddr, pm_paddr, 1 /* is_user */ );
}
printf ( "Page table for nested paging created.\n" );
return cr3;
}
void mii_reset(void)
{
MIIAR = PHYS(0); // select command register
MIIWDR = 0x8000; // reset
mii_poll_busy();
}
static void
switch_to_guest_os ( struct vm *vm )
{
u64 p_vmcb = PHYS ( vm->vmcb );
svm_launch ( p_vmcb );
}
