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Reverted all changes - userspace devices mapped at initialization.

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This is much simpler, no device map/unmap maintenance at run-time,
no lazy device mapping etc.
This commit is contained in:
Bahadir Balban
2009-12-11 19:27:46 +02:00
parent 59af5d3794
commit b1614191b3
14 changed files with 42 additions and 161 deletions
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22
src/api/irq.c
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@@ -69,9 +69,7 @@ int irq_thread_notify(struct irq_desc *desc)
* Register the given globally unique irq number with the
* current thread with given flags
*/
int irq_control_register(struct ktcb *task, int slot, l4id_t irqnum,
unsigned long device_virtual,
struct capability *devcap)
int irq_control_register(struct ktcb *task, int slot, l4id_t irqnum)
{
int err;
@@ -87,12 +85,18 @@ int irq_control_register(struct ktcb *task, int slot, l4id_t irqnum,
return err;
/* Register the irq for thread notification */
if ((err = irq_register(current, slot, irqnum, devcap)) < 0)
if ((err = irq_register(current, slot, irqnum)) < 0)
return err;
return 0;
}
int irq_wait()
{
return 0;
}
/*
* Register/deregister device irqs. Optional synchronous and
* asynchronous irq handling.
@@ -101,17 +105,19 @@ int sys_irq_control(unsigned int req, unsigned int flags, l4id_t irqno)
{
/* Currently a task is allowed to register only for itself */
struct ktcb *task = current;
struct capability *devcap;
int err;
if ((err = cap_irq_check(task, req, flags, irqno, &devcap)) < 0)
if ((err = cap_irq_check(task, req, flags, irqno)) < 0)
return err;
switch (req) {
case IRQ_CONTROL_REGISTER:
if ((err = irq_control_register(task, slot, flags,
irqno, devcap)) < 0)
if ((err = irq_control_register(task, flags, irqno)) < 0)
return err;
break;
case IRQ_CONTROL_WAIT:
irq_wait();
break;
default:
return -EINVAL;
}