summaryrefslogtreecommitdiff
path: root/ANDROID_3.4.5/arch/x86/kernel/apic/apic_noop.c
diff options
context:
space:
mode:
Diffstat (limited to 'ANDROID_3.4.5/arch/x86/kernel/apic/apic_noop.c')
-rw-r--r--ANDROID_3.4.5/arch/x86/kernel/apic/apic_noop.c192
1 files changed, 0 insertions, 192 deletions
diff --git a/ANDROID_3.4.5/arch/x86/kernel/apic/apic_noop.c b/ANDROID_3.4.5/arch/x86/kernel/apic/apic_noop.c
deleted file mode 100644
index 634ae6cd..00000000
--- a/ANDROID_3.4.5/arch/x86/kernel/apic/apic_noop.c
+++ /dev/null
@@ -1,192 +0,0 @@
-/*
- * NOOP APIC driver.
- *
- * Does almost nothing and should be substituted by a real apic driver via
- * probe routine.
- *
- * Though in case if apic is disabled (for some reason) we try
- * to not uglify the caller's code and allow to call (some) apic routines
- * like self-ipi, etc...
- */
-
-#include <linux/threads.h>
-#include <linux/cpumask.h>
-#include <linux/module.h>
-#include <linux/string.h>
-#include <linux/kernel.h>
-#include <linux/ctype.h>
-#include <linux/init.h>
-#include <linux/errno.h>
-#include <asm/fixmap.h>
-#include <asm/mpspec.h>
-#include <asm/apicdef.h>
-#include <asm/apic.h>
-#include <asm/setup.h>
-
-#include <linux/smp.h>
-#include <asm/ipi.h>
-
-#include <linux/interrupt.h>
-#include <asm/acpi.h>
-#include <asm/e820.h>
-
-static void noop_init_apic_ldr(void) { }
-static void noop_send_IPI_mask(const struct cpumask *cpumask, int vector) { }
-static void noop_send_IPI_mask_allbutself(const struct cpumask *cpumask, int vector) { }
-static void noop_send_IPI_allbutself(int vector) { }
-static void noop_send_IPI_all(int vector) { }
-static void noop_send_IPI_self(int vector) { }
-static void noop_apic_wait_icr_idle(void) { }
-static void noop_apic_icr_write(u32 low, u32 id) { }
-
-static int noop_wakeup_secondary_cpu(int apicid, unsigned long start_eip)
-{
- return -1;
-}
-
-static u32 noop_safe_apic_wait_icr_idle(void)
-{
- return 0;
-}
-
-static u64 noop_apic_icr_read(void)
-{
- return 0;
-}
-
-static int noop_phys_pkg_id(int cpuid_apic, int index_msb)
-{
- return 0;
-}
-
-static unsigned int noop_get_apic_id(unsigned long x)
-{
- return 0;
-}
-
-static int noop_probe(void)
-{
- /*
- * NOOP apic should not ever be
- * enabled via probe routine
- */
- return 0;
-}
-
-static int noop_apic_id_registered(void)
-{
- /*
- * if we would be really "pedantic"
- * we should pass read_apic_id() here
- * but since NOOP suppose APIC ID = 0
- * lets save a few cycles
- */
- return physid_isset(0, phys_cpu_present_map);
-}
-
-static const struct cpumask *noop_target_cpus(void)
-{
- /* only BSP here */
- return cpumask_of(0);
-}
-
-static unsigned long noop_check_apicid_used(physid_mask_t *map, int apicid)
-{
- return physid_isset(apicid, *map);
-}
-
-static unsigned long noop_check_apicid_present(int bit)
-{
- return physid_isset(bit, phys_cpu_present_map);
-}
-
-static void noop_vector_allocation_domain(int cpu, struct cpumask *retmask)
-{
- if (cpu != 0)
- pr_warning("APIC: Vector allocated for non-BSP cpu\n");
- cpumask_clear(retmask);
- cpumask_set_cpu(cpu, retmask);
-}
-
-static u32 noop_apic_read(u32 reg)
-{
- WARN_ON_ONCE((cpu_has_apic && !disable_apic));
- return 0;
-}
-
-static void noop_apic_write(u32 reg, u32 v)
-{
- WARN_ON_ONCE(cpu_has_apic && !disable_apic);
-}
-
-struct apic apic_noop = {
- .name = "noop",
- .probe = noop_probe,
- .acpi_madt_oem_check = NULL,
-
- .apic_id_valid = default_apic_id_valid,
- .apic_id_registered = noop_apic_id_registered,
-
- .irq_delivery_mode = dest_LowestPrio,
- /* logical delivery broadcast to all CPUs: */
- .irq_dest_mode = 1,
-
- .target_cpus = noop_target_cpus,
- .disable_esr = 0,
- .dest_logical = APIC_DEST_LOGICAL,
- .check_apicid_used = noop_check_apicid_used,
- .check_apicid_present = noop_check_apicid_present,
-
- .vector_allocation_domain = noop_vector_allocation_domain,
- .init_apic_ldr = noop_init_apic_ldr,
-
- .ioapic_phys_id_map = default_ioapic_phys_id_map,
- .setup_apic_routing = NULL,
- .multi_timer_check = NULL,
-
- .cpu_present_to_apicid = default_cpu_present_to_apicid,
- .apicid_to_cpu_present = physid_set_mask_of_physid,
-
- .setup_portio_remap = NULL,
- .check_phys_apicid_present = default_check_phys_apicid_present,
- .enable_apic_mode = NULL,
-
- .phys_pkg_id = noop_phys_pkg_id,
-
- .mps_oem_check = NULL,
-
- .get_apic_id = noop_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 = noop_send_IPI_mask,
- .send_IPI_mask_allbutself = noop_send_IPI_mask_allbutself,
- .send_IPI_allbutself = noop_send_IPI_allbutself,
- .send_IPI_all = noop_send_IPI_all,
- .send_IPI_self = noop_send_IPI_self,
-
- .wakeup_secondary_cpu = noop_wakeup_secondary_cpu,
-
- /* should be safe */
- .trampoline_phys_low = DEFAULT_TRAMPOLINE_PHYS_LOW,
- .trampoline_phys_high = DEFAULT_TRAMPOLINE_PHYS_HIGH,
-
- .wait_for_init_deassert = NULL,
-
- .smp_callin_clear_local_apic = NULL,
- .inquire_remote_apic = NULL,
-
- .read = noop_apic_read,
- .write = noop_apic_write,
- .icr_read = noop_apic_icr_read,
- .icr_write = noop_apic_icr_write,
- .wait_icr_idle = noop_apic_wait_icr_idle,
- .safe_wait_icr_idle = noop_safe_apic_wait_icr_idle,
-
-#ifdef CONFIG_X86_32
- .x86_32_early_logical_apicid = noop_x86_32_early_logical_apicid,
-#endif
-};