int atapi_drive_startstop(uint32 drive,uint32 bus){
printf("\n%s\n","entre");
//Operation code and bit 1 of byte 4 -LoEj(eject)- as 1.
uint8 startstop_cmd[12]={0x1B,0,0,0,2,0,0,0,0,0,0,0};
uint8 allowremoval_cmd[12]={0x1E,0,0,0,0,0,0,0,0,0,0,0};
uint8 status;
// while((status=inb(ATA_COMMAND(bus))) & 0x80){
// rprintf("while1-busy");
// //BUSY
// // If the first bit of the status register (BUSY) isn't 0, the device is busy,
// // so keep looping until it isn't.
// }
// // _Cli();
// while(!((status=inb(ATA_COMMAND(bus))) & 0x60)){
// rprintf("%x%s",status,"2");
// //NOT READY
// }
// /* DRQ or ERROR */
// if(status & 0x1){
// return -1;
// }
ata_drive_select (bus, drive);
//TODO reemplazar por drive
// outb(ATA_DRIVE_SELECT(bus),0x10); //0 master, 10h slave
outb(ATA_FEATURES(bus),0);
/* Set Nien on device control register to 1 to skip waiting state.
nIEN is the second bit from the right here */
// outb(ATA_DCR(bus),0x10);
/* Send the ATAPI PACKAGE command to the command register */
outb(ATA_COMMAND(bus),0xA0);
//wait 400ns
ATA_SELECT_DELAY(bus);
while(status=inb(ATA_COMMAND(bus)) & 0x80){
rprintf("while1");
}
while(!(status=inb(ATA_COMMAND(bus)) & 0x8)){
rprintf("while2");
//DATA TRANSFER REQUESTED
}
/* Send ATAPI/SCSI command as 6 words, to the data port */
// outsw(ATA_DATA(bus), (uint16 *)allowremoval_cmd,6);
outb(ATA_DATA(bus),0x1E);
outb(ATA_DATA(bus),0);
outb(ATA_DATA(bus),0);
outb(ATA_DATA(bus),0);
outb(ATA_DATA(bus),0);
outb(ATA_DATA(bus),0);
// inb(ATA_DCR(bus));
while(status=inb(ATA_COMMAND(bus)) & 0x80){
rprintf("while1-allow removal");
//BUSY
}
while(!(status=inb(ATA_COMMAND(bus)) & 0x8)){
rprintf("while2-allow removal");
//DATA TRANSFER REQUESTED
}
outb(ATA_COMMAND(bus),0xA0);
//wait 400ns
// ATA_SELECT_DELAY(bus);
while(status=inb(ATA_COMMAND(bus)) & 0x80){
rprintf("while1-2");
}
while(!(status=inb(ATA_COMMAND(bus)) & 0x8)){
rprintf("while2-2");
//DATA TRANSFER REQUESTED
}
/* Send ATAPI/SCSI command as 6 words, to the data port */
// outsw(ATA_DATA(bus), (uint16 *)startstop_cmd,6);
outb(ATA_DATA(bus),0x1B);
outb(ATA_DATA(bus),0);
outb(ATA_DATA(bus),2);
outb(ATA_DATA(bus),0);
outb(ATA_DATA(bus),0);
outb(ATA_DATA(bus),0);
//wait 400ns
// ATA_SELECT_DELAY(bus);
// inb(ATA_DCR(bus));
while(status=inb(ATA_COMMAND(bus)) & 0x80){
rprintf("while 1 -BUSY- startstop_cmd");
//BUSY
}
// _Sti();
return 1;
}
//----------------------------------------------------------------------
//hyperapp main
//----------------------------------------------------------------------
u32 emhf_app_main(VCPU *vcpu, APP_PARAM_BLOCK *apb){
LDNPB *pldnPb;
#if defined(__LDN_TV_INTEGRATION__)
{
extern u32 tv_app_main(VCPU *vcpu, APP_PARAM_BLOCK *apb);
tv_app_main(vcpu, apb);
}
#endif
//we only perform setup on the BSP
if(!vcpu->isbsp){
printf("\nCPU(0x%02x): Lockdown initiaizing. Skipping init on AP.", vcpu->id);
return APP_INIT_SUCCESS;
}
printf("\nCPU(0x%02x): BSP. Lockdown initiaizing...", vcpu->id);
//setup guest environment physical memory size
LDN_ENV_PHYSICALMEMORYLIMIT = (apb->runtimephysmembase - PAGE_SIZE_2M);
#if defined(__LDN_HYPERSWITCHING__)
//ACPI initialization
ACPIInitializeRegisters();
acpi_control_portnum = (u32)PM1_CNTa;
printf("\nCPU(0x%02x): Lockdown; ACPI control port=0x%08x",
vcpu->id, acpi_control_portnum);
//set I/O port intercept for ACPI control port
emhf_partition_legacyIO_setprot(vcpu, acpi_control_portnum, 2, PART_LEGACYIO_NOACCESS); //16-bit port
#endif
#if defined(__LDN_HYPERPARTITIONING__)
//set IDE port intercepts for hyper-partitioning
emhf_partition_legacyIO_setprot(vcpu, ATA_COMMAND(ATA_BUS_PRIMARY), 1, PART_LEGACYIO_NOACCESS); //8-bit port
emhf_partition_legacyIO_setprot(vcpu, ATA_SECTOR_COUNT(ATA_BUS_PRIMARY), 1, PART_LEGACYIO_NOACCESS); //8-bit port
emhf_partition_legacyIO_setprot(vcpu, ATA_LBALOW(ATA_BUS_PRIMARY), 1, PART_LEGACYIO_NOACCESS); //8-bit port
emhf_partition_legacyIO_setprot(vcpu, ATA_LBAMID(ATA_BUS_PRIMARY), 1, PART_LEGACYIO_NOACCESS); //8-bit port
emhf_partition_legacyIO_setprot(vcpu, ATA_LBAHIGH(ATA_BUS_PRIMARY), 1, PART_LEGACYIO_NOACCESS); //8-bit port
printf("\nCPU(0x%02x): Lockdown; Setup hyperpartitioning on \
ATA/SATA device at 0x%08x", vcpu->id, ATA_BUS_PRIMARY);
#endif
//grab the ldn parameter block from verifier, this tells us the
//destination environment characteristics
//TODO: verifier integration, for now we just take it from the apb
if(apb->optionalmodule_size == 0){
//if we don't have an optional module then load the untrusted
//environment
currentenvironment = LDN_ENV_UNTRUSTED_SIGNATURE;
printf("\nCPU(0x%02x): booting UNTRUSTED environment...", vcpu->id);
}else{
//an optional module was specified, so load the trusted
//environment
pldnPb = (LDNPB *) apb->optionalmodule_ptr;
currentenvironment = LDN_ENV_TRUSTED_SIGNATURE;
//sanity check we have a good TE parameter block
if(pldnPb->signature != LDN_ENV_TRUSTED_SIGNATURE){
printf("\nCPU(0x%02x): unknown destination environment signature (0x%08x), halting!",
vcpu->id, pldnPb->signature);
HALT();
}
printf("\nCPU(0x%02x): booting TRUSTED environment...", vcpu->id);
}
//check if we are going to the trusted environment, if so enable
//approved execution and mask off any network interfaces
if(currentenvironment == LDN_ENV_TRUSTED_SIGNATURE){
#if defined(__LDN_APPROVEDEXEC__)
//enable approved execution
approvedexec_setup(vcpu, apb);
#endif
#if defined(__LDN_SSLPA__)
//mask off all network interfaces by interposing on PCI bus accesses
emhf_iopm_set_write(vcpu, PCI_CONFIG_DATA_PORT, 2); //16-bit port
#endif
}else{ //we are going to run the untrusted environment
ASSERT( currentenvironment == LDN_ENV_UNTRUSTED_SIGNATURE);
/*//TODO:make EPT entries such that they map 2M pages for the untrusted
//environment in order to achieve greatest speedup during EPT
//translation
vmx_setupEPT2M(vcpu);
emhf_hwpgtbl_flushall(vcpu);
printf("\nCPU(0x%02x): setup 2M EPT pages");*/
}
return APP_INIT_SUCCESS; //successful
}
/* Use the ATA IDENTIFY command to find out what kind of drive is
* attached to the given bus/slot. */
uint32
ata_identify (uint32 bus, uint32 drive)
{
uint8 status;
uint16 buffer[256];
ata_drive_select (bus, drive);
// while(!(status=inb(ATA_COMMAND(bus)) & 0x60)){
// rprintf("loop0");
// }
outb (ATA_COMMAND (bus),0xEC); /* Send IDENTIFY command */
ATA_SELECT_DELAY (bus);
status = inb (ATA_COMMAND (bus));
if (status == 0) {
// rprintf ("ATA bus %X drive %X does not exist\n", bus, drive);
return NOTCD;
}
if (status & 0x1) {
/* Drive does not support IDENTIFY. Probably a CD-ROM. */
goto guess_identity;
}
/* Poll the Status port (0x1F7) until bit 7 (BSY, value = 0x80)
* clears, and bit 3 (DRQ, value = 8) sets -- or until bit 0 (ERR,
* value = 1) sets. */
while ((status = inb (ATA_COMMAND (bus))) & 0x80){
asm volatile ("pause");
// printf("%s\n","busy");
} /* BUSY */
while (!((status = inb (ATA_COMMAND (bus))) & 0x8) && !(status & 0x01)){
// printf("%x",status);
asm volatile ("pause");
}
if (status & 0x1) {
// rprintf ("ATA bus %X drive %X caused error.\n", bus, drive);
goto guess_identity;
}
/* Read 256 words */
insw (ATA_DATA (bus), buffer, 256);
#ifdef DEBUG_ATA
{
int i, j;
// DLOG ("IDENTIFY (bus: %X drive: %X) command output:", bus, drive);
/* dump to com1 */
for (i = 0; i < 32; i++) {
for (j = 0; j < 8; j++) {
rprintf ("%.4X ", buffer[i * 32 + j]);
}
rprintf ("\n");
}
}
#endif
if (buffer[83] & (1 << 10))
// rprintf ("LBA48 mode supported.\n");
// rprintf ("LBA48 addressable sectors: %.4X %.4X %.4X %.4X\n",
// buffer[100], buffer[101], buffer[102], buffer[103]);
rprintf("not a cd");
return NOTCD;
guess_identity:{
uint8 b1, b2;
b1 = inb (ATA_ADDRESS2 (bus));
b2 = inb (ATA_ADDRESS3 (bus));
// rprintf ("ata_detect: %.2X %.2X\n", b1, b2);
if (b1 == 0x14 && b2 == 0xEB) {
rprintf("is a CD");
// rprintf("P-ATAPI detected\n");
return ISCD;
}
//TODO: probar eliminar estos
if (b1 == 0x69 && b2 == 0x96) {
rprintf("is a CD");
// rprintf ("S-ATAPI detected\n");
return ISCD;
}
if (b1 == 0x3C && b2 == 0xC3) {
rprintf("is a CD");
// rprintf ("SATA detected\n");
return ISCD;
}
rprintf("NOT a CD");
return NOTCD;
}
}
//----------------------------------------------------------------------
//hyperapp I/O port intercept handler
//----------------------------------------------------------------------
u32 emhf_app_handleintercept_portaccess(VCPU *vcpu, struct regs *r,
u32 portnum, u32 access_type, u32 access_size){
#if defined(__LDN_HYPERSWITCHING__)
u32 acpi_sleep_en;
if(vcpu->cpu_vendor == CPU_VENDOR_AMD)
acpi_sleep_en = (u16)(((struct _svm_vmcbfields *)vcpu->vmcb_vaddr_ptr)->rax) & (u16)(1 << 13);
else
acpi_sleep_en = ((u16)r->eax & (u16)(1 << 13));
//printf("\nCPU(0x%02x): Lockdown type=%u, portnum=0x%08x, size=%u, sleep_en=%u",
// vcpu->id, access_type, portnum, access_size, acpi_sleep_en);
if(access_type == IO_TYPE_OUT && portnum == acpi_control_portnum &&
access_size == IO_SIZE_WORD && acpi_sleep_en ){
printf("\nCPU(0x%02x): Lockdown; ACPI SLEEP_EN signal caught. resetting firmware...",
vcpu->id);
//reset platform
emhf_baseplatform_reboot(vcpu);
//we should never get here
HALT();
}
#else //__LDN_HYPERSWITCHING__
(void)vcpu;
(void)r;
(void)portnum;
(void)access_type;
(void)access_size;
#endif //__LDN_HYPERSWITCHING__
#if defined(__LDN_HYPERPARTITIONING__)
if( portnum == ATA_COMMAND(ATA_BUS_PRIMARY) ||
portnum == ATA_SECTOR_COUNT(ATA_BUS_PRIMARY) ||
portnum == ATA_LBALOW(ATA_BUS_PRIMARY) ||
portnum == ATA_LBAMID(ATA_BUS_PRIMARY) ||
portnum == ATA_LBAHIGH(ATA_BUS_PRIMARY)
){
u32 retval;
//printf("\nATA IO port access:0x%04x", (u16)portnum);
retval = hp(vcpu, r, portnum, access_type, access_size);
return retval;
}
#endif
#if defined(__LDN_SSLPA__)
if(portnum == PCI_CONFIG_DATA_PORT){
//printf("\nCPU(0x%02x): PCI DATA acc, size=%u, type=%u",
// vcpu->id, access_size, access_type);
pci_config_reg_addr_t pci_addr;
pci_addr.bytes = inl((u32)PCI_CONFIG_ADDR_PORT);
if(sslpa_isnetworkdevice(pci_addr.fields.bus, pci_addr.fields.device,
pci_addr.fields.function)) {
if(access_type == IO_TYPE_IN){
u32 retval;
printf("\nCPU(0x%02x): N/W device accessed, denying... (t=%u, s=%u, offset=0x%08x)",
vcpu->id, access_type, access_size, pci_addr.fields.offset);
if(pci_addr.fields.offset == 0)
retval=0xFFFFFFFFUL; //no device present
else
retval=0; //null value for all other configuration registers
ASSERT( (access_size == IO_SIZE_BYTE) || (access_size == IO_SIZE_WORD) ||
(access_size == IO_SIZE_DWORD) );
switch(access_size){
case IO_SIZE_BYTE: r->eax &= 0xFFFFFF00UL; r->eax |= (u8)retval; break;
case IO_SIZE_WORD: r->eax &= 0xFFFF0000UL; r->eax |= (u16)retval; break;
case IO_SIZE_DWORD: r->eax = retval; break;
}
return APP_IOINTERCEPT_SKIP;
}else{
printf("\nCPU(0x%02x): N/W device forced write? HALT! (t=%u, s=%u, offset=0x%08x)",
vcpu->id, access_type, access_size, pci_addr.fields.offset);
HALT();
}
}
}
#endif
return APP_IOINTERCEPT_CHAIN; //chain and do the required I/O
}