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x86, VisWS: turn into generic arch, add early quirks to default architectures

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add early quirk support to the generic architecture code.

this allows VISWS to be supported by the generic code and allows us
to remove the VISWS subarch.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Ingo Molnar 2008-07-10 15:48:48 +02:00
parent 8bfaba873f
commit 078c0bba55
1 changed files with 30 additions and 0 deletions
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30
arch/x86/mach-default/setup.c
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@ -10,6 +10,14 @@
#include <asm/e820.h>
#include <asm/setup.h>
/*
* Any quirks to be performed to initialize timers/irqs/etc?
*/
int (*arch_time_init_quirk)(void);
int (*arch_pre_intr_init_quirk)(void);
int (*arch_intr_init_quirk)(void);
int (*arch_trap_init_quirk)(void);
#ifdef CONFIG_HOTPLUG_CPU
#define DEFAULT_SEND_IPI (1)
#else
@ -29,6 +37,10 @@ int no_broadcast=DEFAULT_SEND_IPI;
**/
void __init pre_intr_init_hook(void)
{
if (arch_pre_intr_init_quirk) {
if (arch_pre_intr_init_quirk())
return;
}
init_ISA_irqs();
}
@ -52,6 +64,10 @@ static struct irqaction irq2 = {
**/
void __init intr_init_hook(void)
{
if (arch_intr_init_quirk) {
if (arch_intr_init_quirk())
return;
}
#ifdef CONFIG_X86_LOCAL_APIC
apic_intr_init();
#endif
@ -81,6 +97,10 @@ void __init pre_setup_arch_hook(void)
**/
void __init trap_init_hook(void)
{
if (arch_trap_init_quirk) {
if (arch_trap_init_quirk())
return;
}
}
static struct irqaction irq0 = {
@ -99,6 +119,16 @@ static struct irqaction irq0 = {
**/
void __init time_init_hook(void)
{
if (arch_time_init_quirk) {
/*
* A nonzero return code does not mean failure, it means
* that the architecture quirk does not want any
* generic (timer) setup to be performed after this:
*/
if (arch_time_init_quirk())
return;
}
irq0.mask = cpumask_of_cpu(0);
setup_irq(0, &irq0);
}