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Enable IO-APICs by default. It's been tested on a broad spectrum of hardware and 

all reports so far have been positive. We fall back to legacy mode in the cases
where we can't figure out the correct routing.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@41527 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Michael Lotz 2011-05-16 08:42:30 +00:00
parent e49d783eb9
commit 9c1714ec1a
3 changed files with 0 additions and 20 deletions
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3
headers/private/system/safemode_defs.h
View File

@ -21,7 +21,4 @@
# define B_SAFEMODE_DISABLE_LATENCY_CHECK "disable_latency_check"
#endif
#define B_SAFEMODE_ENABLE_IOAPIC "enable_ioapic"
// TODO: temprary opt-in, can be removed once IO-APIC code is broadly tested
#endif /* _SYSTEM_SAFEMODE_DEFS_H */

8
src/system/boot/platform/bios_ia32/smp.cpp
View File

@ -578,19 +578,11 @@ smp_add_safemode_menus(Menu *menu)
MenuItem *item;
if (gKernelArgs.arch_args.ioapic_phys != 0) {
#if 0
menu->AddItem(item = new(nothrow) MenuItem("Disable IO-APIC"));
item->SetType(MENU_ITEM_MARKABLE);
item->SetData(B_SAFEMODE_DISABLE_IOAPIC);
item->SetHelpText("Disables using the IO APIC for interrupt routing, "
"forcing the use of the legacy PIC instead.");
#else
// TODO: This can be removed once IO-APIC code is broadly tested
menu->AddItem(item = new(nothrow) MenuItem("Enable IO-APIC"));
item->SetType(MENU_ITEM_MARKABLE);
item->SetData(B_SAFEMODE_ENABLE_IOAPIC);
item->SetHelpText("Enables using the IO APIC for interrupt routing.");
#endif
}
if (gKernelArgs.arch_args.apic_phys != 0) {

9
src/system/kernel/arch/x86/ioapic.cpp
View File

@ -538,20 +538,11 @@ ioapic_init(kernel_args* args)
return;
}
#if 0
if (get_safemode_boolean(B_SAFEMODE_DISABLE_IOAPIC, false)) {
dprintf("io-apics explicitly disabled, not using io-apics for "
"interrupt routing\n");
return;
}
#else
// TODO: This can be removed once IO-APIC code is broadly tested
if (!get_safemode_boolean(B_SAFEMODE_ENABLE_IOAPIC, false)) {
dprintf("io-apics not enabled, not using io-apics for interrupt "
"routing\n");
return;
}
#endif
// load acpi module
status_t status;