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-rw-r--r--arch/x86/kernel/setup.c133
1 files changed, 116 insertions, 17 deletions
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index c461f6d69074..5b85759e7972 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -74,14 +74,15 @@
74#include <asm/e820.h> 74#include <asm/e820.h>
75#include <asm/mpspec.h> 75#include <asm/mpspec.h>
76#include <asm/setup.h> 76#include <asm/setup.h>
77#include <asm/arch_hooks.h>
78#include <asm/efi.h> 77#include <asm/efi.h>
78#include <asm/timer.h>
79#include <asm/i8259.h>
79#include <asm/sections.h> 80#include <asm/sections.h>
80#include <asm/dmi.h> 81#include <asm/dmi.h>
81#include <asm/io_apic.h> 82#include <asm/io_apic.h>
82#include <asm/ist.h> 83#include <asm/ist.h>
83#include <asm/vmi.h> 84#include <asm/vmi.h>
84#include <setup_arch.h> 85#include <asm/setup_arch.h>
85#include <asm/bios_ebda.h> 86#include <asm/bios_ebda.h>
86#include <asm/cacheflush.h> 87#include <asm/cacheflush.h>
87#include <asm/processor.h> 88#include <asm/processor.h>
@@ -89,7 +90,7 @@
89 90
90#include <asm/system.h> 91#include <asm/system.h>
91#include <asm/vsyscall.h> 92#include <asm/vsyscall.h>
92#include <asm/smp.h> 93#include <asm/cpu.h>
93#include <asm/desc.h> 94#include <asm/desc.h>
94#include <asm/dma.h> 95#include <asm/dma.h>
95#include <asm/iommu.h> 96#include <asm/iommu.h>
@@ -97,7 +98,6 @@
97#include <asm/mmu_context.h> 98#include <asm/mmu_context.h>
98#include <asm/proto.h> 99#include <asm/proto.h>
99 100
100#include <mach_apic.h>
101#include <asm/paravirt.h> 101#include <asm/paravirt.h>
102#include <asm/hypervisor.h> 102#include <asm/hypervisor.h>
103 103
@@ -112,6 +112,20 @@
112#define ARCH_SETUP 112#define ARCH_SETUP
113#endif 113#endif
114 114
115unsigned int boot_cpu_id __read_mostly;
116
117#ifdef CONFIG_X86_64
118int default_cpu_present_to_apicid(int mps_cpu)
119{
120 return __default_cpu_present_to_apicid(mps_cpu);
121}
122
123int default_check_phys_apicid_present(int boot_cpu_physical_apicid)
124{
125 return __default_check_phys_apicid_present(boot_cpu_physical_apicid);
126}
127#endif
128
115#ifndef CONFIG_DEBUG_BOOT_PARAMS 129#ifndef CONFIG_DEBUG_BOOT_PARAMS
116struct boot_params __initdata boot_params; 130struct boot_params __initdata boot_params;
117#else 131#else
@@ -586,19 +600,18 @@ static int __init setup_elfcorehdr(char *arg)
586early_param("elfcorehdr", setup_elfcorehdr); 600early_param("elfcorehdr", setup_elfcorehdr);
587#endif 601#endif
588 602
589static int __init default_update_genapic(void) 603static int __init default_update_apic(void)
590{ 604{
591#ifdef CONFIG_X86_SMP 605#ifdef CONFIG_SMP
592# if defined(CONFIG_X86_GENERICARCH) || defined(CONFIG_X86_64) 606 if (!apic->wakeup_cpu)
593 genapic->wakeup_cpu = wakeup_secondary_cpu_via_init; 607 apic->wakeup_cpu = wakeup_secondary_cpu_via_init;
594# endif
595#endif 608#endif
596 609
597 return 0; 610 return 0;
598} 611}
599 612
600static struct x86_quirks default_x86_quirks __initdata = { 613static struct x86_quirks default_x86_quirks __initdata = {
601 .update_genapic = default_update_genapic, 614 .update_apic = default_update_apic,
602}; 615};
603 616
604struct x86_quirks *x86_quirks __initdata = &default_x86_quirks; 617struct x86_quirks *x86_quirks __initdata = &default_x86_quirks;
@@ -656,7 +669,6 @@ void __init setup_arch(char **cmdline_p)
656#ifdef CONFIG_X86_32 669#ifdef CONFIG_X86_32
657 memcpy(&boot_cpu_data, &new_cpu_data, sizeof(new_cpu_data)); 670 memcpy(&boot_cpu_data, &new_cpu_data, sizeof(new_cpu_data));
658 visws_early_detect(); 671 visws_early_detect();
659 pre_setup_arch_hook();
660#else 672#else
661 printk(KERN_INFO "Command line: %s\n", boot_command_line); 673 printk(KERN_INFO "Command line: %s\n", boot_command_line);
662#endif 674#endif
@@ -823,8 +835,7 @@ void __init setup_arch(char **cmdline_p)
823#else 835#else
824 num_physpages = max_pfn; 836 num_physpages = max_pfn;
825 837
826 if (cpu_has_x2apic) 838 check_x2apic();
827 check_x2apic();
828 839
829 /* How many end-of-memory variables you have, grandma! */ 840 /* How many end-of-memory variables you have, grandma! */
830 /* need this before calling reserve_initrd */ 841 /* need this before calling reserve_initrd */
@@ -892,12 +903,11 @@ void __init setup_arch(char **cmdline_p)
892 */ 903 */
893 acpi_reserve_bootmem(); 904 acpi_reserve_bootmem();
894#endif 905#endif
895#ifdef CONFIG_X86_FIND_SMP_CONFIG
896 /* 906 /*
897 * Find and reserve possible boot-time SMP configuration: 907 * Find and reserve possible boot-time SMP configuration:
898 */ 908 */
899 find_smp_config(); 909 find_smp_config();
900#endif 910
901 reserve_crashkernel(); 911 reserve_crashkernel();
902 912
903#ifdef CONFIG_X86_64 913#ifdef CONFIG_X86_64
@@ -924,9 +934,7 @@ void __init setup_arch(char **cmdline_p)
924 map_vsyscall(); 934 map_vsyscall();
925#endif 935#endif
926 936
927#ifdef CONFIG_X86_GENERICARCH
928 generic_apic_probe(); 937 generic_apic_probe();
929#endif
930 938
931 early_quirks(); 939 early_quirks();
932 940
@@ -977,4 +985,95 @@ void __init setup_arch(char **cmdline_p)
977#endif 985#endif
978} 986}
979 987
988#ifdef CONFIG_X86_32
989
990/**
991 * x86_quirk_pre_intr_init - initialisation prior to setting up interrupt vectors
992 *
993 * Description:
994 * Perform any necessary interrupt initialisation prior to setting up
995 * the "ordinary" interrupt call gates. For legacy reasons, the ISA
996 * interrupts should be initialised here if the machine emulates a PC
997 * in any way.
998 **/
999void __init x86_quirk_pre_intr_init(void)
1000{
1001 if (x86_quirks->arch_pre_intr_init) {
1002 if (x86_quirks->arch_pre_intr_init())
1003 return;
1004 }
1005 init_ISA_irqs();
1006}
1007
1008/**
1009 * x86_quirk_intr_init - post gate setup interrupt initialisation
1010 *
1011 * Description:
1012 * Fill in any interrupts that may have been left out by the general
1013 * init_IRQ() routine. interrupts having to do with the machine rather
1014 * than the devices on the I/O bus (like APIC interrupts in intel MP
1015 * systems) are started here.
1016 **/
1017void __init x86_quirk_intr_init(void)
1018{
1019 if (x86_quirks->arch_intr_init) {
1020 if (x86_quirks->arch_intr_init())
1021 return;
1022 }
1023}
1024
1025/**
1026 * x86_quirk_trap_init - initialise system specific traps
1027 *
1028 * Description:
1029 * Called as the final act of trap_init(). Used in VISWS to initialise
1030 * the various board specific APIC traps.
1031 **/
1032void __init x86_quirk_trap_init(void)
1033{
1034 if (x86_quirks->arch_trap_init) {
1035 if (x86_quirks->arch_trap_init())
1036 return;
1037 }
1038}
1039
1040static struct irqaction irq0 = {
1041 .handler = timer_interrupt,
1042 .flags = IRQF_DISABLED | IRQF_NOBALANCING | IRQF_IRQPOLL | IRQF_TIMER,
1043 .mask = CPU_MASK_NONE,
1044 .name = "timer"
1045};
980 1046
1047/**
1048 * x86_quirk_pre_time_init - do any specific initialisations before.
1049 *
1050 **/
1051void __init x86_quirk_pre_time_init(void)
1052{
1053 if (x86_quirks->arch_pre_time_init)
1054 x86_quirks->arch_pre_time_init();
1055}
1056
1057/**
1058 * x86_quirk_time_init - do any specific initialisations for the system timer.
1059 *
1060 * Description:
1061 * Must plug the system timer interrupt source at HZ into the IRQ listed
1062 * in irq_vectors.h:TIMER_IRQ
1063 **/
1064void __init x86_quirk_time_init(void)
1065{
1066 if (x86_quirks->arch_time_init) {
1067 /*
1068 * A nonzero return code does not mean failure, it means
1069 * that the architecture quirk does not want any
1070 * generic (timer) setup to be performed after this:
1071 */
1072 if (x86_quirks->arch_time_init())
1073 return;
1074 }
1075
1076 irq0.mask = cpumask_of_cpu(0);
1077 setup_irq(0, &irq0);
1078}
1079#endif /* CONFIG_X86_32 */