Remove the 32-bit subarchitecture support code.
All subarchitectures but Voyager have been converted. Voyager will be
done later or will be removed.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
# prevent gcc from generating any FP code by mistake
KBUILD_CFLAGS += $(call cc-option,-mno-sse -mno-mmx -mno-sse2 -mno-3dnow,)
-###
-# Sub architecture support
-# fcore-y is linked before mcore-y files.
-
-# Default subarch .c files
-mcore-y := arch/x86/mach-default/
-
-# Voyager subarch support
-mflags-$(CONFIG_X86_VOYAGER) := -Iarch/x86/include/asm/mach-voyager
-mcore-$(CONFIG_X86_VOYAGER) := arch/x86/mach-voyager/
-
-# default subarch .h files
-mflags-y += -Iarch/x86/include/asm/mach-default
-
-# 64 bit does not support subarch support - clear sub arch variables
-fcore-$(CONFIG_X86_64) :=
-mcore-$(CONFIG_X86_64) :=
-
KBUILD_CFLAGS += $(mflags-y)
KBUILD_AFLAGS += $(mflags-y)
core-y += arch/x86/kernel/
core-y += arch/x86/mm/
-# Remaining sub architecture files
-core-y += $(mcore-y)
-
core-y += arch/x86/crypto/
core-y += arch/x86/vdso/
core-$(CONFIG_IA32_EMULATION) += arch/x86/ia32/
#define SET_APIC_ID(x) (apic->set_apic_id(x))
#else
+#ifdef CONFIG_X86_LOCAL_APIC
static inline unsigned default_get_apic_id(unsigned long x)
{
unsigned int ver = GET_APIC_VERSION(apic_read(APIC_LVR));
else
return (x >> 24) & 0x0F;
}
+#endif
#endif
obj-$(CONFIG_X86_64_SMP) += tsc_sync.o
obj-$(CONFIG_X86_TRAMPOLINE) += trampoline_$(BITS).o
obj-$(CONFIG_X86_MPPARSE) += mpparse.o
-obj-$(CONFIG_X86_LOCAL_APIC) += apic.o nmi.o
+obj-$(CONFIG_X86_LOCAL_APIC) += apic.o nmi.o ipi.o
obj-$(CONFIG_X86_IO_APIC) += io_apic.o
obj-$(CONFIG_X86_REBOOTFIXUPS) += reboot_fixups_32.o
obj-$(CONFIG_DYNAMIC_FTRACE) += ftrace.o
clear_IO_APIC_pin(apic, pin);
}
-#if !defined(CONFIG_SMP) && defined(CONFIG_X86_32)
-void default_send_IPI_self(int vector)
-{
- unsigned int cfg;
-
- /*
- * Wait for idle.
- */
- apic_wait_icr_idle();
- cfg = APIC_DM_FIXED | APIC_DEST_SELF | vector | apic->dest_logical;
- /*
- * Send the IPI. The write to APIC_ICR fires this off.
- */
- apic_write(APIC_ICR, cfg);
-}
-#endif /* !CONFIG_SMP && CONFIG_X86_32*/
-
#ifdef CONFIG_X86_32
/*
* support for broken MP BIOSs, enables hand-redirection of PIRQ0-7 to
#include <asm/genapic.h>
#include <asm/ipi.h>
+#include <linux/smp.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <asm/acpi.h>
+#include <asm/arch_hooks.h>
+#include <asm/e820.h>
+#include <asm/setup.h>
+
+#include <asm/genapic.h>
+
+#ifdef CONFIG_HOTPLUG_CPU
+#define DEFAULT_SEND_IPI (1)
+#else
+#define DEFAULT_SEND_IPI (0)
+#endif
+
+int no_broadcast = DEFAULT_SEND_IPI;
+
+#ifdef CONFIG_X86_LOCAL_APIC
+
static void default_vector_allocation_domain(int cpu, struct cpumask *retmask)
{
/*
}
return 0;
}
+
+#endif /* CONFIG_X86_LOCAL_APIC */
+
+/**
+ * pre_intr_init_hook - initialisation prior to setting up interrupt vectors
+ *
+ * Description:
+ * Perform any necessary interrupt initialisation prior to setting up
+ * the "ordinary" interrupt call gates. For legacy reasons, the ISA
+ * interrupts should be initialised here if the machine emulates a PC
+ * in any way.
+ **/
+void __init pre_intr_init_hook(void)
+{
+ if (x86_quirks->arch_pre_intr_init) {
+ if (x86_quirks->arch_pre_intr_init())
+ return;
+ }
+ init_ISA_irqs();
+}
+
+/**
+ * intr_init_hook - post gate setup interrupt initialisation
+ *
+ * Description:
+ * Fill in any interrupts that may have been left out by the general
+ * init_IRQ() routine. interrupts having to do with the machine rather
+ * than the devices on the I/O bus (like APIC interrupts in intel MP
+ * systems) are started here.
+ **/
+void __init intr_init_hook(void)
+{
+ if (x86_quirks->arch_intr_init) {
+ if (x86_quirks->arch_intr_init())
+ return;
+ }
+}
+
+/**
+ * pre_setup_arch_hook - hook called prior to any setup_arch() execution
+ *
+ * Description:
+ * generally used to activate any machine specific identification
+ * routines that may be needed before setup_arch() runs. On Voyager
+ * this is used to get the board revision and type.
+ **/
+void __init pre_setup_arch_hook(void)
+{
+}
+
+/**
+ * trap_init_hook - initialise system specific traps
+ *
+ * Description:
+ * Called as the final act of trap_init(). Used in VISWS to initialise
+ * the various board specific APIC traps.
+ **/
+void __init trap_init_hook(void)
+{
+ if (x86_quirks->arch_trap_init) {
+ if (x86_quirks->arch_trap_init())
+ return;
+ }
+}
+
+static struct irqaction irq0 = {
+ .handler = timer_interrupt,
+ .flags = IRQF_DISABLED | IRQF_NOBALANCING | IRQF_IRQPOLL,
+ .mask = CPU_MASK_NONE,
+ .name = "timer"
+};
+
+/**
+ * pre_time_init_hook - do any specific initialisations before.
+ *
+ **/
+void __init pre_time_init_hook(void)
+{
+ if (x86_quirks->arch_pre_time_init)
+ x86_quirks->arch_pre_time_init();
+}
+
+/**
+ * time_init_hook - do any specific initialisations for the system timer.
+ *
+ * Description:
+ * Must plug the system timer interrupt source at HZ into the IRQ listed
+ * in irq_vectors.h:TIMER_IRQ
+ **/
+void __init time_init_hook(void)
+{
+ if (x86_quirks->arch_time_init) {
+ /*
+ * 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 (x86_quirks->arch_time_init())
+ return;
+ }
+
+ irq0.mask = cpumask_of_cpu(0);
+ setup_irq(0, &irq0);
+}
+
+#ifdef CONFIG_MCA
+/**
+ * mca_nmi_hook - hook into MCA specific NMI chain
+ *
+ * Description:
+ * The MCA (Microchannel Architecture) has an NMI chain for NMI sources
+ * along the MCA bus. Use this to hook into that chain if you will need
+ * it.
+ **/
+void mca_nmi_hook(void)
+{
+ /*
+ * If I recall correctly, there's a whole bunch of other things that
+ * we can do to check for NMI problems, but that's all I know about
+ * at the moment.
+ */
+ pr_warning("NMI generated from unknown source!\n");
+}
+#endif
+
+static __init int no_ipi_broadcast(char *str)
+{
+ get_option(&str, &no_broadcast);
+ pr_info("Using %s mode\n",
+ no_broadcast ? "No IPI Broadcast" : "IPI Broadcast");
+ return 1;
+}
+__setup("no_ipi_broadcast=", no_ipi_broadcast);
+
+static int __init print_ipi_mode(void)
+{
+ pr_info("Using IPI %s mode\n",
+ no_broadcast ? "No-Shortcut" : "Shortcut");
+ return 0;
+}
+
+late_initcall(print_ipi_mode);
+
+++ /dev/null
-/*
- * Machine specific setup for generic
- */
-
-#include <linux/smp.h>
-#include <linux/init.h>
-#include <linux/interrupt.h>
-#include <asm/acpi.h>
-#include <asm/arch_hooks.h>
-#include <asm/e820.h>
-#include <asm/setup.h>
-
-#include <asm/genapic.h>
-
-#ifdef CONFIG_HOTPLUG_CPU
-#define DEFAULT_SEND_IPI (1)
-#else
-#define DEFAULT_SEND_IPI (0)
-#endif
-
-int no_broadcast = DEFAULT_SEND_IPI;
-
-/**
- * pre_intr_init_hook - initialisation prior to setting up interrupt vectors
- *
- * Description:
- * Perform any necessary interrupt initialisation prior to setting up
- * the "ordinary" interrupt call gates. For legacy reasons, the ISA
- * interrupts should be initialised here if the machine emulates a PC
- * in any way.
- **/
-void __init pre_intr_init_hook(void)
-{
- if (x86_quirks->arch_pre_intr_init) {
- if (x86_quirks->arch_pre_intr_init())
- return;
- }
- init_ISA_irqs();
-}
-
-/**
- * intr_init_hook - post gate setup interrupt initialisation
- *
- * Description:
- * Fill in any interrupts that may have been left out by the general
- * init_IRQ() routine. interrupts having to do with the machine rather
- * than the devices on the I/O bus (like APIC interrupts in intel MP
- * systems) are started here.
- **/
-void __init intr_init_hook(void)
-{
- if (x86_quirks->arch_intr_init) {
- if (x86_quirks->arch_intr_init())
- return;
- }
-}
-
-/**
- * pre_setup_arch_hook - hook called prior to any setup_arch() execution
- *
- * Description:
- * generally used to activate any machine specific identification
- * routines that may be needed before setup_arch() runs. On Voyager
- * this is used to get the board revision and type.
- **/
-void __init pre_setup_arch_hook(void)
-{
-}
-
-/**
- * trap_init_hook - initialise system specific traps
- *
- * Description:
- * Called as the final act of trap_init(). Used in VISWS to initialise
- * the various board specific APIC traps.
- **/
-void __init trap_init_hook(void)
-{
- if (x86_quirks->arch_trap_init) {
- if (x86_quirks->arch_trap_init())
- return;
- }
-}
-
-static struct irqaction irq0 = {
- .handler = timer_interrupt,
- .flags = IRQF_DISABLED | IRQF_NOBALANCING | IRQF_IRQPOLL,
- .mask = CPU_MASK_NONE,
- .name = "timer"
-};
-
-/**
- * pre_time_init_hook - do any specific initialisations before.
- *
- **/
-void __init pre_time_init_hook(void)
-{
- if (x86_quirks->arch_pre_time_init)
- x86_quirks->arch_pre_time_init();
-}
-
-/**
- * time_init_hook - do any specific initialisations for the system timer.
- *
- * Description:
- * Must plug the system timer interrupt source at HZ into the IRQ listed
- * in irq_vectors.h:TIMER_IRQ
- **/
-void __init time_init_hook(void)
-{
- if (x86_quirks->arch_time_init) {
- /*
- * 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 (x86_quirks->arch_time_init())
- return;
- }
-
- irq0.mask = cpumask_of_cpu(0);
- setup_irq(0, &irq0);
-}
-
-#ifdef CONFIG_MCA
-/**
- * mca_nmi_hook - hook into MCA specific NMI chain
- *
- * Description:
- * The MCA (Microchannel Architecture) has an NMI chain for NMI sources
- * along the MCA bus. Use this to hook into that chain if you will need
- * it.
- **/
-void mca_nmi_hook(void)
-{
- /*
- * If I recall correctly, there's a whole bunch of other things that
- * we can do to check for NMI problems, but that's all I know about
- * at the moment.
- */
- pr_warning("NMI generated from unknown source!\n");
-}
-#endif
-
-static __init int no_ipi_broadcast(char *str)
-{
- get_option(&str, &no_broadcast);
- pr_info("Using %s mode\n",
- no_broadcast ? "No IPI Broadcast" : "IPI Broadcast");
- return 1;
-}
-__setup("no_ipi_broadcast=", no_ipi_broadcast);
-
-static int __init print_ipi_mode(void)
-{
- pr_info("Using IPI %s mode\n",
- no_broadcast ? "No-Shortcut" : "Shortcut");
- return 0;
-}
-
-late_initcall(print_ipi_mode);
-
+++ /dev/null
-/*
- * Default generic APIC driver. This handles up to 8 CPUs.
- */
-#define APIC_DEFINITION 1
-#include <linux/threads.h>
-#include <linux/cpumask.h>
-#include <asm/mpspec.h>
-#include <asm/genapic.h>
-#include <asm/fixmap.h>
-#include <asm/apicdef.h>
-#include <linux/kernel.h>
-#include <linux/string.h>
-#include <linux/smp.h>
-#include <linux/init.h>
-#include <asm/genapic.h>
-#include <asm/ipi.h>
-
-static void default_vector_allocation_domain(int cpu, struct cpumask *retmask)
-{
- /*
- * Careful. Some cpus do not strictly honor the set of cpus
- * specified in the interrupt destination when using lowest
- * priority interrupt delivery mode.
- *
- * In particular there was a hyperthreading cpu observed to
- * deliver interrupts to the wrong hyperthread when only one
- * hyperthread was specified in the interrupt desitination.
- */
- *retmask = (cpumask_t) { { [0] = APIC_ALL_CPUS } };
-}
-
-/* should be called last. */
-static int probe_default(void)
-{
- return 1;
-}
-
-struct genapic apic_default = {
-
- .name = "default",
- .probe = probe_default,
- .acpi_madt_oem_check = NULL,
- .apic_id_registered = default_apic_id_registered,
-
- .irq_delivery_mode = dest_LowestPrio,
- /* logical delivery broadcast to all CPUs: */
- .irq_dest_mode = 1,
-
- .target_cpus = default_target_cpus,
- .disable_esr = 0,
- .dest_logical = APIC_DEST_LOGICAL,
- .check_apicid_used = default_check_apicid_used,
- .check_apicid_present = default_check_apicid_present,
-
- .vector_allocation_domain = default_vector_allocation_domain,
- .init_apic_ldr = default_init_apic_ldr,
-
- .ioapic_phys_id_map = default_ioapic_phys_id_map,
- .setup_apic_routing = default_setup_apic_routing,
- .multi_timer_check = NULL,
- .apicid_to_node = default_apicid_to_node,
- .cpu_to_logical_apicid = default_cpu_to_logical_apicid,
- .cpu_present_to_apicid = default_cpu_present_to_apicid,
- .apicid_to_cpu_present = default_apicid_to_cpu_present,
- .setup_portio_remap = NULL,
- .check_phys_apicid_present = default_check_phys_apicid_present,
- .enable_apic_mode = NULL,
- .phys_pkg_id = default_phys_pkg_id,
- .mps_oem_check = NULL,
-
- .get_apic_id = default_get_apic_id,
- .set_apic_id = NULL,
- .apic_id_mask = 0x0F << 24,
-
- .cpu_mask_to_apicid = default_cpu_mask_to_apicid,
- .cpu_mask_to_apicid_and = default_cpu_mask_to_apicid_and,
-
- .send_IPI_mask = default_send_IPI_mask,
- .send_IPI_mask_allbutself = NULL,
- .send_IPI_allbutself = default_send_IPI_allbutself,
- .send_IPI_all = default_send_IPI_all,
- .send_IPI_self = NULL,
-
- .wakeup_cpu = NULL,
- .trampoline_phys_low = DEFAULT_TRAMPOLINE_PHYS_LOW,
- .trampoline_phys_high = DEFAULT_TRAMPOLINE_PHYS_HIGH,
-
- .wait_for_init_deassert = default_wait_for_init_deassert,
-
- .smp_callin_clear_local_apic = NULL,
- .store_NMI_vector = NULL,
- .inquire_remote_apic = default_inquire_remote_apic,
-};
git.samba.org / sfrench / cifs-2.6.git / commitdiff