int kbd_subscribe_int(void )
{
hook = BITORDER;
if( sys_irqsetpolicy(KBD_IRQ, IRQ_REENABLE | IRQ_EXCLUSIVE, &hook) == OK && sys_irqenable(&hook) == OK)
return BITORDER;
return -1;
}
int mouse_subscribe_int() {
sys_irqsetpolicy(MOUSE_IRQ,IRQ_REENABLE|IRQ_EXCLUSIVE,&mousehook);
sys_irqenable(&mousehook);
return 1;
}
/*
** Name: void do_first_init(dpeth_t *dep, dp_conf_t *dcp);
** Function: Init action to setup task
*/
static void do_first_init(dpeth_t *dep, const dp_conf_t *dcp)
{
if (dep->de_linmem != 0) {
dep->de_memsegm = BIOS_SEG;
/* phys2seg(&dep->de_memsegm, &dep->de_memoffs, dep->de_linmem); */
} else
dep->de_linmem = 0xFFFF0000;
/* Make sure statisics are cleared */
memset((void *) &(dep->de_stat), 0, sizeof(eth_stat_t));
/* Device specific initialization */
(*dep->de_initf) (dep);
/* Set the interrupt handler policy. Request interrupts not to be reenabled
* automatically. Return the IRQ line number when an interrupt occurs.
*/
dep->de_hook = dep->de_irq;
sys_irqsetpolicy(dep->de_irq, 0 /*IRQ_REENABLE*/, &dep->de_hook);
dep->de_int_pending = FALSE;
sys_irqenable(&dep->de_hook);
return;
}
static void
virtio_irq_register(struct virtio_device *dev)
{
int r;
if ((r = sys_irqsetpolicy(dev->irq, 0, &dev->irq_hook) != OK))
panic("%s: Unable to register IRQ %d", dev->name, r);
}
/*===========================================================================*
* vbox_init *
*===========================================================================*/
static int vbox_init(int UNUSED(type), sef_init_info_t *UNUSED(info))
{
/* Initialize the device. */
int devind;
u16_t vid, did;
struct VMMDevReportGuestInfo *req;
int r;
interval = DEFAULT_INTERVAL;
drift = DEFAULT_DRIFT;
if (env_argc > 1)
optset_parse(optset_table, env_argv[1]);
pci_init();
r = pci_first_dev(&devind, &vid, &did);
for (;;) {
if (r != 1)
panic("backdoor device not found");
if (vid == VMMDEV_PCI_VID && did == VMMDEV_PCI_DID)
break;
r = pci_next_dev(&devind, &vid, &did);
}
pci_reserve(devind);
port = pci_attr_r32(devind, PCI_BAR) & PCI_BAR_IO_MASK;
irq = pci_attr_r8(devind, PCI_ILR);
hook_id = 0;
if ((r = sys_irqsetpolicy(irq, 0 /* IRQ_REENABLE */, &hook_id)) != OK)
panic("unable to register IRQ: %d", r);
if ((r = sys_irqenable(&hook_id)) != OK)
panic("unable to enable IRQ: %d", r);
if ((vir_ptr = alloc_contig(VMMDEV_BUF_SIZE, 0, &phys_ptr)) == NULL)
panic("unable to allocate memory");
req = (struct VMMDevReportGuestInfo *) vir_ptr;
req->add_version = VMMDEV_GUEST_VERSION;
req->os_type = VMMDEV_GUEST_OS_OTHER;
if ((r = vbox_request(&req->header, phys_ptr,
VMMDEV_REQ_REPORTGUESTINFO, sizeof(*req))) !=
VMMDEV_ERR_OK)
panic("backdoor device not functioning");
ticks = sys_hz() * interval;
sys_setalarm(ticks, 0);
return OK;
}
int timer_subscribe_int(void) {
hook_id = 0;
if (sys_irqsetpolicy(TIMER0_IRQ, IRQ_REENABLE, &hook_id) == OK && sys_irqenable(&hook_id) == OK)
return EXIT_SUCCESS;
else
return EXIT_FAILURE;
}
int timer_subscribe(void) {
hookID_t = 0;
unsigned int bitmask = BIT(hookID_t); // bit de subscricao
if(sys_irqsetpolicy(TIMER0_IRQ, IRQ_REENABLE, &hookID_t) != OK || sys_irqenable(&hookID_t) != OK){
return -1;
}
return bitmask;
}
int timer_subscribe_int(void ) {
unsigned int bit_sel=1;
hook_id=bit_sel;
if(sys_irqsetpolicy(TIMER0_IRQ, IRQ_REENABLE , &hook_id) != OK)
return -1;
if(sys_irqenable(&hook_id) != OK)
return -1;
return BIT(bit_sel);
}
int subscribeTimer(void) {
int bitmask = BIT(hook);
if (sys_irqsetpolicy(TIMER0_IRQ, IRQ_REENABLE, &hook) != OK
|| sys_irqenable(&hook) != OK)
return -1;
return bitmask;
}
int timer_subscribe_int(void )
{
int hook;
hook = hook_id;
if (sys_irqsetpolicy(TIMER0_IRQ,IRQ_REENABLE,&hook_id) == OK)
if (sys_irqenable(&hook_id) == OK)
return BIT(hook);
return -1;
}
int timer_subscribe_int()
{
//para nao perder o valor original de hook_id (vai ser preciso para depois reconhecer a notificacao)
int hook_temp = hook_id_timer;
if (OK == sys_irqsetpolicy(TIMER0_IRQ, IRQ_REENABLE, &hook_id_timer))
if (OK == sys_irqenable(&hook_id_timer))
return BIT(hook_temp);
return -1;
}
int kbd_subscribe_int() {
int bit_order = kbd_hook;
if (sys_irqsetpolicy(KBD_IRQ, IRQ_REENABLE | IRQ_EXCLUSIVE, &kbd_hook)
!= 0) {
return ERROR;
}
if (sys_irqenable(&kbd_hook) != 0) {
return ERROR;
}
return BIT(bit_order);
}
int KBD_subscribe_int(void )
{
int hook;
hook = hook_id2;
if (sys_irqsetpolicy(KBD_IRQ,IRQ_REENABLE | IRQ_EXCLUSIVE,&hook_id2) == OK)
if (sys_irqenable(&hook_id2) == OK)
return BIT(hook);
return -1;
}
int timer_subscribe_int(void ) {
irq_hook_id = TIMER0_HOOK_BIT;
if (sys_irqsetpolicy(TIMER0_IRQ, IRQ_REENABLE, &irq_hook_id) == OK)
{
if (sys_irqenable(&irq_hook_id) == OK)
{
return TIMER0_HOOK_BIT;
}
}
return 1;
}
int ms_subscribe_int(void) {
hooke_id = MS_IRQ; //Mouse IRQ number is 12.
if (sys_irqsetpolicy(MS_IRQ, IRQ_REENABLE | IRQ_EXCLUSIVE, &hooke_id)
!= OK) { //output the EOI command to the PIC
printf("Irqsetpolicy failed \n");
return -1;
} else if (sys_irqenable((&hooke_id)) != OK) { //enables interrupts on the IRQ line associated with the hook_id
printf("Irqenable failed \n");
return -1;
} else
return MS_IRQ;
}
int kbd_subscribe_int() {
kbd_hook_id = KBD_HOOK_BIT;
if (sys_irqsetpolicy(KBD_IRQ, IRQ_REENABLE | IRQ_EXCLUSIVE, &kbd_hook_id)
== OK) {
if (sys_irqenable(&kbd_hook_id) == OK) {
return KBD_HOOK_BIT;
}
}
return -1;
}
int timer_subscribe_int(void )
{
int hook;
hook = hook_id3;
if (sys_irqsetpolicy(TIMER0_IRQ,IRQ_REENABLE,&hook_id3) == OK)
if (sys_irqenable(&hook_id3) == OK)
return BIT(hook);
printf("erro no timer subscribe!!\n");
return -1;
}
int mouse_subscribe() {
if (sys_irqsetpolicy(IRQ_MOUSE, IRQ_REENABLE | IRQ_EXCLUSIVE, &hook_id) != 0){
printf("\nMouse_subscribe() failed \n");
return -1;
}
if (sys_irqenable(&hook_id) != 0) {
printf("\nMouse_subscribe() failed \n");
return -1;
}
mouse_write(STREAM_MODE);
mouse_write(ENABLE_PACKETS);
return BIT(MOUSE_HOOK_ID);
}
int rtc_subscribe_int() {
int hook_temp = hook_id_rtc;
if (OK == sys_irqsetpolicy(RTC_IRQ, IRQ_REENABLE, &hook_id_rtc))
if (OK == sys_irqenable(&hook_id_rtc))
{
rtc_enable_interrupts();
return BIT(hook_temp);
}
return -1;
}
int ser_subscribe_com2_int(void)
{
int returnvalue = BIT(ser_com2_hook_id);
if(sys_irqsetpolicy(ORIGINAL_SER_COM2_HOOK_ID,IRQ_EXCLUSIVE | IRQ_REENABLE, &ser_com2_hook_id)!= OK){
printf("ser_subscribe_com2_int(): sys_irqsetpolicy() failed\n");
return -1;
}
if(sys_irqenable(&ser_com2_hook_id)!=OK){
printf("ser_subscribe_com2_int(): sys_irqenable() failed\n");
return -1;
}
return returnvalue;//return value with bit number (original hook_id) set to 1
}
/*
* Initialize the hardware. Return the ethernet address.
*/
static void
e1000_init_hw(e1000_t * e, ether_addr_t * addr)
{
int r, i;
e->irq_hook = e->irq;
/*
* Set the interrupt handler and policy. Do not automatically
* reenable interrupts. Return the IRQ line number on interrupts.
*/
if ((r = sys_irqsetpolicy(e->irq, 0, &e->irq_hook)) != OK)
panic("sys_irqsetpolicy failed: %d", r);
if ((r = sys_irqenable(&e->irq_hook)) != OK)
panic("sys_irqenable failed: %d", r);
/* Reset hardware. */
e1000_reset_hw(e);
/*
* Initialize appropriately, according to section 14.3 General
* Configuration of Intel's Gigabit Ethernet Controllers Software
* Developer's Manual.
*/
e1000_reg_set(e, E1000_REG_CTRL,
E1000_REG_CTRL_ASDE | E1000_REG_CTRL_SLU);
e1000_reg_unset(e, E1000_REG_CTRL, E1000_REG_CTRL_LRST);
e1000_reg_unset(e, E1000_REG_CTRL, E1000_REG_CTRL_PHY_RST);
e1000_reg_unset(e, E1000_REG_CTRL, E1000_REG_CTRL_ILOS);
e1000_reg_write(e, E1000_REG_FCAL, 0);
e1000_reg_write(e, E1000_REG_FCAH, 0);
e1000_reg_write(e, E1000_REG_FCT, 0);
e1000_reg_write(e, E1000_REG_FCTTV, 0);
e1000_reg_unset(e, E1000_REG_CTRL, E1000_REG_CTRL_VME);
/* Clear Multicast Table Array (MTA). */
for (i = 0; i < 128; i++)
e1000_reg_write(e, E1000_REG_MTA + i * 4, 0);
/* Initialize statistics registers. */
for (i = 0; i < 64; i++)
e1000_reg_write(e, E1000_REG_CRCERRS + i * 4, 0);
/* Acquire MAC address and set up RX/TX buffers. */
e1000_init_addr(e, addr);
e1000_init_buf(e);
/* Enable interrupts. */
e1000_reg_set(e, E1000_REG_IMS, E1000_REG_IMS_LSC | E1000_REG_IMS_RXO |
E1000_REG_IMS_RXT | E1000_REG_IMS_TXQE | E1000_REG_IMS_TXDW);
}
int timer_subscribe_int(void ) {
if(sys_irqsetpolicy(TIMER0_IRQ, IRQ_REENABLE, &(timerInt.bit)) != OK){
printf("ERROR SETTING POLICY!\n");
return -1;
}
if(sys_irqenable(&(timerInt.bit)) != OK){
printf("ERROR ENABLING SUBSCRIPTION!\n");
return -1;
}
timerInt.counter = 0;
return timerInt.bit;
}
int kbd_subscribe_int()
{
//para nao perder o valor original de khook_id (vai ser preciso para depois reconhecer a notificacao)
int hook_temp = hook_id_keyboard;
if (OK == sys_irqsetpolicy(KBC_IRQ, IRQ_REENABLE | IRQ_EXCLUSIVE, &hook_id_keyboard))
{
if (OK == sys_irqenable(&hook_id_keyboard))
{
return BIT(hook_temp);
}
}
return -1;
}
int subscribe_mouse(void) {
hookID = 12;
unsigned long bitmask = BIT(hookID);
mouse_write_byte(DISABLE_DATA_PACKETS);
if (sys_irqsetpolicy(IRQ_MOUSE, IRQ_REENABLE | IRQ_EXCLUSIVE, &hookID) != OK
|| sys_irqenable(&hookID) != OK) {
return -1;
}
mouse_write_byte(DATA_PACKETS);
mouse_write_byte(STREAM_MODE);
return bitmask;
}
int mouse_subscribe_int(){
//para nao perder o valor original de mhook_id (vai ser preciso para depois reconhecer a notificacao)
int hook_temp = mhook_id;
if (OK == sys_irqsetpolicy(MOUSE_IRQ, IRQ_REENABLE | IRQ_EXCLUSIVE, &mhook_id))
{
if (OK == sys_irqenable(&mhook_id))
{
return BIT(hook_temp);
}
}
return -1;
}
int keyboard_subscribe_int()
{
if(sys_irqsetpolicy(IRQ_KBD,(IRQ_REENABLE|IRQ_EXCLUSIVE),&hook_id_kbd)!=OK)
{
printf("IRQ_SETPOLICY failure /n");
return -1;
}
if(sys_irqenable(&hook_id_kbd)!=OK)
{
printf("IRQENABLE failure /n");
return -1;
}
return hook_id_kbd;
}
//subscribe mouse interrupts
int mouse_subscribe_int(void)
{
int returnvalue = BIT(mouse_hook_id);
int irqpolicy = IRQ_EXCLUSIVE | IRQ_REENABLE;
if(sys_irqsetpolicy(MOUSE_IRQ, irqpolicy, &mouse_hook_id)!= OK){
printf("mouse_subscribe_int(): sys_irqsetpolicy() failed\n");
return -1;
}
if(sys_irqenable(&mouse_hook_id)!=OK){
printf("mouse_subscribe_int(): sys_irqenable() failed\n");
return -1;
}
return returnvalue;//return value with bit number (original hook_id) set to 1
}
int mouse_subscribe_int(unsigned* hook_id)
{
unsigned char hook_bit = (unsigned char)*hook_id;
if (hook_bit != *hook_id)
{
return -1;
}
if (sys_irqsetpolicy(I8042_MOUSE_IRQ, IRQ_REENABLE | IRQ_EXCLUSIVE, (int *)hook_id) == OK)
{
memset(packet, 0, sizeof(packet)); // Clean the array to make sure bit 3 is off in all bytes
next_byte = 0;
return hook_bit;
}
return -1;
}
int timer_subscribe_int(void) {
// atualiza hook_id, passando a ser 0
hook_id = TIMER_HOOK_BIT;
int bitmask = BIT(hook_id);
/*The policy you should specify in sys_irqsetpolicy() is IRQ_REENABLE, so
that the generic interrupt handler will acknowledge the interrupt. */
if (sys_irqsetpolicy(TIMER0_IRQ, IRQ_REENABLE, &hook_id) != 0
|| sys_irqenable(&hook_id) != 0) {
printf("\ntimer_subscribe_int() failed \n");
return -1;
} else {
return bitmask;
}
}
PRIVATE int init_driver(void) {
u32_t i; char irq;
static int executed = 0;
sub_dev_t* sub_dev_ptr;
/* init variables, get dma buffers */
for (i = 0; i < drv.NrOfSubDevices; i++) {
sub_dev_ptr = &sub_dev[i];
sub_dev_ptr->Opened = FALSE;
sub_dev_ptr->DmaBusy = FALSE;
sub_dev_ptr->DmaMode = NO_DMA;
sub_dev_ptr->DmaReadNext = 0;
sub_dev_ptr->DmaFillNext = 0;
sub_dev_ptr->DmaLength = 0;
sub_dev_ptr->BufReadNext = 0;
sub_dev_ptr->BufFillNext = 0;
sub_dev_ptr->RevivePending = FALSE;
sub_dev_ptr->OutOfData = FALSE;
sub_dev_ptr->Nr = i;
}
/* initialize hardware*/
if (drv_init_hw() != OK) {
error("%s: Could not initialize hardware\n", drv.DriverName, 0);
return EIO;
}
/* get irq from device driver...*/
if (drv_get_irq(&irq) != OK) {
error("%s: init driver couldn't get IRQ", drv.DriverName, i);
return EIO;
}
/* todo: execute the rest of this function only once
we don't want to set irq policy twice */
if (executed) return OK;
executed = TRUE;
/* ...and register interrupt vector */
if ((i=sys_irqsetpolicy(irq, 0, &irq_hook_id )) != OK){
error("%s: init driver couldn't set IRQ policy", drv.DriverName, i);
return EIO;
}
irq_hook_set = TRUE; /* now msg_sig_stop knows it must unregister policy*/
return OK;
}