From 392e8802486cb573b916e746010e141a75f507e6 Mon Sep 17 00:00:00 2001 From: Kevin Date: Sat, 15 Nov 2014 09:58:27 +0800 Subject: init android origin source code --- ANDROID_3.4.5/arch/x86/kernel/x86_init.c | 121 +++++++++++++++++++++++++++++++ 1 file changed, 121 insertions(+) create mode 100644 ANDROID_3.4.5/arch/x86/kernel/x86_init.c (limited to 'ANDROID_3.4.5/arch/x86/kernel/x86_init.c') diff --git a/ANDROID_3.4.5/arch/x86/kernel/x86_init.c b/ANDROID_3.4.5/arch/x86/kernel/x86_init.c new file mode 100644 index 00000000..9cf71d0b --- /dev/null +++ b/ANDROID_3.4.5/arch/x86/kernel/x86_init.c @@ -0,0 +1,121 @@ +/* + * Copyright (C) 2009 Thomas Gleixner + * + * For licencing details see kernel-base/COPYING + */ +#include +#include +#include +#include + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +void __cpuinit x86_init_noop(void) { } +void __init x86_init_uint_noop(unsigned int unused) { } +void __init x86_init_pgd_noop(pgd_t *unused) { } +int __init iommu_init_noop(void) { return 0; } +void iommu_shutdown_noop(void) { } +void wallclock_init_noop(void) { } + +/* + * The platform setup functions are preset with the default functions + * for standard PC hardware. + */ +struct x86_init_ops x86_init __initdata = { + + .resources = { + .probe_roms = probe_roms, + .reserve_resources = reserve_standard_io_resources, + .memory_setup = default_machine_specific_memory_setup, + }, + + .mpparse = { + .mpc_record = x86_init_uint_noop, + .setup_ioapic_ids = x86_init_noop, + .mpc_apic_id = default_mpc_apic_id, + .smp_read_mpc_oem = default_smp_read_mpc_oem, + .mpc_oem_bus_info = default_mpc_oem_bus_info, + .find_smp_config = default_find_smp_config, + .get_smp_config = default_get_smp_config, + }, + + .irqs = { + .pre_vector_init = init_ISA_irqs, + .intr_init = native_init_IRQ, + .trap_init = x86_init_noop, + }, + + .oem = { + .arch_setup = x86_init_noop, + .banner = default_banner, + }, + + .mapping = { + .pagetable_reserve = native_pagetable_reserve, + }, + + .paging = { + .pagetable_setup_start = native_pagetable_setup_start, + .pagetable_setup_done = native_pagetable_setup_done, + }, + + .timers = { + .setup_percpu_clockev = setup_boot_APIC_clock, + .tsc_pre_init = x86_init_noop, + .timer_init = hpet_time_init, + .wallclock_init = x86_init_noop, + }, + + .iommu = { + .iommu_init = iommu_init_noop, + }, + + .pci = { + .init = x86_default_pci_init, + .init_irq = x86_default_pci_init_irq, + .fixup_irqs = x86_default_pci_fixup_irqs, + }, +}; + +struct x86_cpuinit_ops x86_cpuinit __cpuinitdata = { + .early_percpu_clock_init = x86_init_noop, + .setup_percpu_clockev = setup_secondary_APIC_clock, +}; + +static void default_nmi_init(void) { }; +static int default_i8042_detect(void) { return 1; }; + +struct x86_platform_ops x86_platform = { + .calibrate_tsc = native_calibrate_tsc, + .wallclock_init = wallclock_init_noop, + .get_wallclock = mach_get_cmos_time, + .set_wallclock = mach_set_rtc_mmss, + .iommu_shutdown = iommu_shutdown_noop, + .is_untracked_pat_range = is_ISA_range, + .nmi_init = default_nmi_init, + .get_nmi_reason = default_get_nmi_reason, + .i8042_detect = default_i8042_detect, + .save_sched_clock_state = tsc_save_sched_clock_state, + .restore_sched_clock_state = tsc_restore_sched_clock_state, +}; + +EXPORT_SYMBOL_GPL(x86_platform); +struct x86_msi_ops x86_msi = { + .setup_msi_irqs = native_setup_msi_irqs, + .teardown_msi_irq = native_teardown_msi_irq, + .teardown_msi_irqs = default_teardown_msi_irqs, + .restore_msi_irqs = default_restore_msi_irqs, +}; -- cgit