avr/qmk/firmware - [no description]

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Diffstat (limited to 'layouts/community/ergodox/supercoder')

0 files changed, 0 insertions, 0 deletions

/* Copyright 2003 Andi Kleen, SuSE Labs. * Subject to the GNU Public License, v.2 * * Generic x86 APIC driver probe layer. */ #include <xen/config.h> #include <xen/cpumask.h> #include <xen/string.h> #include <xen/kernel.h> #include <xen/ctype.h> #include <xen/init.h> #include <asm/fixmap.h> #include <asm/mpspec.h> #include <asm/apicdef.h> #include <asm/genapic.h> extern struct genapic apic_summit; extern struct genapic apic_bigsmp; extern struct genapic apic_es7000; extern struct genapic apic_default; struct genapic *genapic; struct genapic *apic_probe[] __initdata = { &apic_summit, &apic_bigsmp, &apic_es7000, &apic_default, /* must be last */ NULL, }; static int cmdline_apic; void __init generic_bigsmp_probe(void) { /* * This routine is used to switch to bigsmp mode when * - There is no apic= option specified by the user * - generic_apic_probe() has choosen apic_default as the sub_arch * - we find more than 8 CPUs in acpi LAPIC listing with xAPIC support */ if (!cmdline_apic && genapic == &apic_default) if (apic_bigsmp.probe()) { genapic = &apic_bigsmp; printk(KERN_INFO "Overriding APIC driver with %s\n", genapic->name); } } static void __init genapic_apic_force(char *str) { int i; for (i = 0; apic_probe[i]; i++) if (!strcmp(apic_probe[i]->name, str)) genapic = apic_probe[i]; } custom_param("apic", genapic_apic_force); void __init generic_apic_probe(void) { int i; int changed = cmdline_apic = (genapic != NULL); for (i = 0; !changed && apic_probe[i]; i++) { if (apic_probe[i]->probe()) { changed = 1; genapic = apic_probe[i]; } } if (!changed) genapic = &apic_default; printk(KERN_INFO "Using APIC driver %s\n", genapic->name); } /* These functions can switch the APIC even after the initial ->probe() */ int __init mps_oem_check(struct mp_config_table *mpc, char *oem, char *productid) { int i; for (i = 0; apic_probe[i]; ++i) { if (apic_probe[i]->mps_oem_check(mpc,oem,productid)) { genapic = apic_probe[i]; printk(KERN_INFO "Switched to APIC driver `%s'.\n", genapic->name); return 1; } } return 0; } int __init acpi_madt_oem_check(char *oem_id, char *oem_table_id) { int i; for (i = 0; apic_probe[i]; ++i) { if (apic_probe[i]->acpi_madt_oem_check(oem_id, oem_table_id)) { genapic = apic_probe[i]; printk(KERN_INFO "Switched to APIC driver `%s'.\n", genapic->name); return 1; } } return 0; }


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