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l4ka-pistachio
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Merge.

This commit is contained in:
Jan Stoess 2010-07-14 12:07:01 +02:00
parent 919fd029ee 9c7ab6eb12
commit 4a249a0bd3
2 changed files with 57 additions and 44 deletions
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88
kernel/src/platform/ppc44x/uic.cc
View File

@ -169,11 +169,13 @@ void SECTION (".init") intctrl_t::init_arch()
void SECTION(".init") intctrl_t::init_cpu(int cpu)
{
#ifdef CONFIG_SMP
ASSERT(cpu < 4);
/* map IPIs */
set_irq_routing(get_ipi_irq(cpu, 0), cpu);
enable(get_ipi_irq(cpu, 0));
#endif
}
word_t intctrl_t::init_controllers() {
@ -496,24 +498,29 @@ bool intctrl_t::unmask(word_t irq)
irq -= INT_LEVEL_UIC2_MIN ;
intMask = 1 << (31 - irq) ;
mtdcr(UIC2_SR, intMask); /* clear pending interrupts */
mtdcr(UIC0_SR, uic2_dchain_mask); /* clear pending dchain */
//Check if interrupt was already pending
if ((mfdcr(UIC2_SR) & intMask) > 0) {
mtdcr(UIC2_SR, intMask); /* clear pending interrupts */
mtdcr(UIC0_SR, uic2_dchain_mask); /* clear pending dchain */
return true;
} else {
/*
* enable the interrupt level
* We must lock out interrupts to enable the hardware
* as the handler may crush what we just did in UIC_ER.
*/
/*
* enable the interrupt level
* We must lock out interrupts to enable the hardware
* as the handler may crush what we just did in UIC_ER.
*/
lock.lock(); /* lock interrupts */
lock.lock(); /* lock interrupts */
mtdcr(UIC2_ER, intMask | mfdcr(UIC2_ER));
mtdcr(UIC2_ER, intMask | mfdcr(UIC2_ER));
/* Enable dchain*/
mtdcr(UIC0_ER, uic2_dchain_mask | mfdcr(UIC0_ER));
lock.unlock(); /* re-enable interrupts */
/* Enable dchain*/
mtdcr(UIC0_ER, uic2_dchain_mask | mfdcr(UIC0_ER));
lock.unlock(); /* re-enable interrupts */
return false;
}
}
else if (irq > INT_LEVEL_UIC0_MAX) /* For UIC1 */
#else
@ -522,45 +529,56 @@ bool intctrl_t::unmask(word_t irq)
{
irq -= INT_LEVEL_UIC1_MIN ;
intMask = 1 << (31 - irq) ;
mtdcr(UIC1_SR, intMask); /* clear pending interrupts */
mtdcr(UIC0_SR, uic1_dchain_mask); /* clear pending dchain */
/*
* enable the interrupt level
* We must lock out interrupts to enable the hardware
* as the handler may crush what we just did in UIC_ER.
*/
//Check if interrupt was already pending
if ((mfdcr(UIC1_SR) & intMask) > 0) {
mtdcr(UIC1_SR, intMask); /* clear pending interrupts */
mtdcr(UIC0_SR, uic1_dchain_mask); /* clear pending dchain */
return true;
} else {
lock.lock(); /* lock interrupts */
/*
* enable the interrupt level
* We must lock out interrupts to enable the hardware
* as the handler may crush what we just did in UIC_ER.
*/
mtdcr(UIC1_ER, intMask | mfdcr(UIC1_ER));
lock.lock(); /* lock interrupts */
/* Enable dchain*/
mtdcr(UIC0_ER, uic1_dchain_mask | mfdcr(UIC0_ER));
mtdcr(UIC1_ER, intMask | mfdcr(UIC1_ER));
lock.unlock(); /* re-enable interrupts */
/* Enable dchain*/
mtdcr(UIC0_ER, uic1_dchain_mask | mfdcr(UIC0_ER));
lock.unlock(); /* re-enable interrupts */
return false;
}
}
else
{
intMask = 1 << (31 - irq) ;
mtdcr(UIC0_SR, intMask); /* clear pending interrupts */
/*
* enable the interrupt level
* We must lock out interrupts to enable the hardware
* as the handler may crush what we just did in UIC_ER.
*/
//Check if interrupt was already pending
if ((mfdcr(UIC0_SR) & intMask) > 0) {
mtdcr(UIC0_SR, intMask); /* clear pending interrupts */
return true;
} else {
lock.lock(); /* lock interrupts */
/*
* enable the interrupt level
* We must lock out interrupts to enable the hardware
* as the handler may crush what we just did in UIC_ER.
*/
mtdcr(UIC0_ER, intMask | mfdcr(UIC0_ER));
lock.lock(); /* lock interrupts */
lock.unlock(); /* re-enable interrupts */
mtdcr(UIC0_ER, intMask | mfdcr(UIC0_ER));
lock.unlock(); /* re-enable interrupts */
return false;
}
}
return true;
}
bool intctrl_t::is_masked(word_t irq) {

13
kernel/src/platform/ppc44x/uic.h
View File

@ -158,8 +158,10 @@ public:
bool is_pending(word_t irq);
void enable(word_t irq)
{ unmask(irq); }
void enable(word_t irq) {
if (unmask(irq))
::handle_interrupt(irq);
}
void disable(word_t irq)
{ mask(irq); }
@ -180,12 +182,6 @@ public:
*/
void handle_irq(word_t cpu);
//noncritical interrupt handler
void sysUicIntHandler(void);
//critical interrupt handler;
void sysUicCrtIntHandler(void);
/* map routine provided by glue */
void map();
@ -225,7 +221,6 @@ private:
return cpu * 8 + ipi;
}
//common interrupt handler, should not be called directly.
void sysUicIntHandlerCommon(bool intIsCritical);
void raise_irq(word_t irq);
};