From bb8985586b7a906e116db835c64773b7a7d51663 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Sun, 17 Aug 2008 21:05:42 -0400 Subject: x86, um: ... and asm-x86 move Signed-off-by: Al Viro Signed-off-by: H. Peter Anvin --- include/asm-x86/mach-default/apm.h | 73 ------------- include/asm-x86/mach-default/do_timer.h | 16 --- include/asm-x86/mach-default/entry_arch.h | 36 ------- include/asm-x86/mach-default/mach_apic.h | 156 --------------------------- include/asm-x86/mach-default/mach_apicdef.h | 24 ----- include/asm-x86/mach-default/mach_ipi.h | 64 ----------- include/asm-x86/mach-default/mach_mpparse.h | 17 --- include/asm-x86/mach-default/mach_mpspec.h | 12 --- include/asm-x86/mach-default/mach_timer.h | 48 --------- include/asm-x86/mach-default/mach_traps.h | 33 ------ include/asm-x86/mach-default/mach_wakecpu.h | 42 -------- include/asm-x86/mach-default/pci-functions.h | 19 ---- include/asm-x86/mach-default/setup_arch.h | 3 - include/asm-x86/mach-default/smpboot_hooks.h | 59 ---------- 14 files changed, 602 deletions(-) delete mode 100644 include/asm-x86/mach-default/apm.h delete mode 100644 include/asm-x86/mach-default/do_timer.h delete mode 100644 include/asm-x86/mach-default/entry_arch.h delete mode 100644 include/asm-x86/mach-default/mach_apic.h delete mode 100644 include/asm-x86/mach-default/mach_apicdef.h delete mode 100644 include/asm-x86/mach-default/mach_ipi.h delete mode 100644 include/asm-x86/mach-default/mach_mpparse.h delete mode 100644 include/asm-x86/mach-default/mach_mpspec.h delete mode 100644 include/asm-x86/mach-default/mach_timer.h delete mode 100644 include/asm-x86/mach-default/mach_traps.h delete mode 100644 include/asm-x86/mach-default/mach_wakecpu.h delete mode 100644 include/asm-x86/mach-default/pci-functions.h delete mode 100644 include/asm-x86/mach-default/setup_arch.h delete mode 100644 include/asm-x86/mach-default/smpboot_hooks.h (limited to 'include/asm-x86/mach-default') diff --git a/include/asm-x86/mach-default/apm.h b/include/asm-x86/mach-default/apm.h deleted file mode 100644 index 2aa61b54fbd..00000000000 --- a/include/asm-x86/mach-default/apm.h +++ /dev/null @@ -1,73 +0,0 @@ -/* - * Machine specific APM BIOS functions for generic. - * Split out from apm.c by Osamu Tomita - */ - -#ifndef ASM_X86__MACH_DEFAULT__APM_H -#define ASM_X86__MACH_DEFAULT__APM_H - -#ifdef APM_ZERO_SEGS -# define APM_DO_ZERO_SEGS \ - "pushl %%ds\n\t" \ - "pushl %%es\n\t" \ - "xorl %%edx, %%edx\n\t" \ - "mov %%dx, %%ds\n\t" \ - "mov %%dx, %%es\n\t" \ - "mov %%dx, %%fs\n\t" \ - "mov %%dx, %%gs\n\t" -# define APM_DO_POP_SEGS \ - "popl %%es\n\t" \ - "popl %%ds\n\t" -#else -# define APM_DO_ZERO_SEGS -# define APM_DO_POP_SEGS -#endif - -static inline void apm_bios_call_asm(u32 func, u32 ebx_in, u32 ecx_in, - u32 *eax, u32 *ebx, u32 *ecx, - u32 *edx, u32 *esi) -{ - /* - * N.B. We do NOT need a cld after the BIOS call - * because we always save and restore the flags. - */ - __asm__ __volatile__(APM_DO_ZERO_SEGS - "pushl %%edi\n\t" - "pushl %%ebp\n\t" - "lcall *%%cs:apm_bios_entry\n\t" - "setc %%al\n\t" - "popl %%ebp\n\t" - "popl %%edi\n\t" - APM_DO_POP_SEGS - : "=a" (*eax), "=b" (*ebx), "=c" (*ecx), "=d" (*edx), - "=S" (*esi) - : "a" (func), "b" (ebx_in), "c" (ecx_in) - : "memory", "cc"); -} - -static inline u8 apm_bios_call_simple_asm(u32 func, u32 ebx_in, - u32 ecx_in, u32 *eax) -{ - int cx, dx, si; - u8 error; - - /* - * N.B. We do NOT need a cld after the BIOS call - * because we always save and restore the flags. - */ - __asm__ __volatile__(APM_DO_ZERO_SEGS - "pushl %%edi\n\t" - "pushl %%ebp\n\t" - "lcall *%%cs:apm_bios_entry\n\t" - "setc %%bl\n\t" - "popl %%ebp\n\t" - "popl %%edi\n\t" - APM_DO_POP_SEGS - : "=a" (*eax), "=b" (error), "=c" (cx), "=d" (dx), - "=S" (si) - : "a" (func), "b" (ebx_in), "c" (ecx_in) - : "memory", "cc"); - return error; -} - -#endif /* ASM_X86__MACH_DEFAULT__APM_H */ diff --git a/include/asm-x86/mach-default/do_timer.h b/include/asm-x86/mach-default/do_timer.h deleted file mode 100644 index 23ecda0b28a..00000000000 --- a/include/asm-x86/mach-default/do_timer.h +++ /dev/null @@ -1,16 +0,0 @@ -/* defines for inline arch setup functions */ -#include - -#include -#include - -/** - * do_timer_interrupt_hook - hook into timer tick - * - * Call the pit clock event handler. see asm/i8253.h - **/ - -static inline void do_timer_interrupt_hook(void) -{ - global_clock_event->event_handler(global_clock_event); -} diff --git a/include/asm-x86/mach-default/entry_arch.h b/include/asm-x86/mach-default/entry_arch.h deleted file mode 100644 index 6b1add8e31d..00000000000 --- a/include/asm-x86/mach-default/entry_arch.h +++ /dev/null @@ -1,36 +0,0 @@ -/* - * This file is designed to contain the BUILD_INTERRUPT specifications for - * all of the extra named interrupt vectors used by the architecture. - * Usually this is the Inter Process Interrupts (IPIs) - */ - -/* - * The following vectors are part of the Linux architecture, there - * is no hardware IRQ pin equivalent for them, they are triggered - * through the ICC by us (IPIs) - */ -#ifdef CONFIG_X86_SMP -BUILD_INTERRUPT(reschedule_interrupt,RESCHEDULE_VECTOR) -BUILD_INTERRUPT(invalidate_interrupt,INVALIDATE_TLB_VECTOR) -BUILD_INTERRUPT(call_function_interrupt,CALL_FUNCTION_VECTOR) -BUILD_INTERRUPT(call_function_single_interrupt,CALL_FUNCTION_SINGLE_VECTOR) -BUILD_INTERRUPT(irq_move_cleanup_interrupt,IRQ_MOVE_CLEANUP_VECTOR) -#endif - -/* - * every pentium local APIC has two 'local interrupts', with a - * soft-definable vector attached to both interrupts, one of - * which is a timer interrupt, the other one is error counter - * overflow. Linux uses the local APIC timer interrupt to get - * a much simpler SMP time architecture: - */ -#ifdef CONFIG_X86_LOCAL_APIC -BUILD_INTERRUPT(apic_timer_interrupt,LOCAL_TIMER_VECTOR) -BUILD_INTERRUPT(error_interrupt,ERROR_APIC_VECTOR) -BUILD_INTERRUPT(spurious_interrupt,SPURIOUS_APIC_VECTOR) - -#ifdef CONFIG_X86_MCE_P4THERMAL -BUILD_INTERRUPT(thermal_interrupt,THERMAL_APIC_VECTOR) -#endif - -#endif diff --git a/include/asm-x86/mach-default/mach_apic.h b/include/asm-x86/mach-default/mach_apic.h deleted file mode 100644 index 3c66f2cdaec..00000000000 --- a/include/asm-x86/mach-default/mach_apic.h +++ /dev/null @@ -1,156 +0,0 @@ -#ifndef ASM_X86__MACH_DEFAULT__MACH_APIC_H -#define ASM_X86__MACH_DEFAULT__MACH_APIC_H - -#ifdef CONFIG_X86_LOCAL_APIC - -#include -#include - -#define APIC_DFR_VALUE (APIC_DFR_FLAT) - -static inline cpumask_t target_cpus(void) -{ -#ifdef CONFIG_SMP - return cpu_online_map; -#else - return cpumask_of_cpu(0); -#endif -} - -#define NO_BALANCE_IRQ (0) -#define esr_disable (0) - -#ifdef CONFIG_X86_64 -#include -#define INT_DELIVERY_MODE (genapic->int_delivery_mode) -#define INT_DEST_MODE (genapic->int_dest_mode) -#define TARGET_CPUS (genapic->target_cpus()) -#define apic_id_registered (genapic->apic_id_registered) -#define init_apic_ldr (genapic->init_apic_ldr) -#define cpu_mask_to_apicid (genapic->cpu_mask_to_apicid) -#define phys_pkg_id (genapic->phys_pkg_id) -#define vector_allocation_domain (genapic->vector_allocation_domain) -#define read_apic_id() (GET_APIC_ID(apic_read(APIC_ID))) -#define send_IPI_self (genapic->send_IPI_self) -extern void setup_apic_routing(void); -#else -#define INT_DELIVERY_MODE dest_LowestPrio -#define INT_DEST_MODE 1 /* logical delivery broadcast to all procs */ -#define TARGET_CPUS (target_cpus()) -/* - * Set up the logical destination ID. - * - * Intel recommends to set DFR, LDR and TPR before enabling - * an APIC. See e.g. "AP-388 82489DX User's Manual" (Intel - * document number 292116). So here it goes... - */ -static inline void init_apic_ldr(void) -{ - unsigned long val; - - apic_write(APIC_DFR, APIC_DFR_VALUE); - val = apic_read(APIC_LDR) & ~APIC_LDR_MASK; - val |= SET_APIC_LOGICAL_ID(1UL << smp_processor_id()); - apic_write(APIC_LDR, val); -} - -static inline int apic_id_registered(void) -{ - return physid_isset(read_apic_id(), phys_cpu_present_map); -} - -static inline unsigned int cpu_mask_to_apicid(cpumask_t cpumask) -{ - return cpus_addr(cpumask)[0]; -} - -static inline u32 phys_pkg_id(u32 cpuid_apic, int index_msb) -{ - return cpuid_apic >> index_msb; -} - -static inline void setup_apic_routing(void) -{ -#ifdef CONFIG_X86_IO_APIC - printk("Enabling APIC mode: %s. Using %d I/O APICs\n", - "Flat", nr_ioapics); -#endif -} - -static inline int apicid_to_node(int logical_apicid) -{ -#ifdef CONFIG_SMP - return apicid_2_node[hard_smp_processor_id()]; -#else - return 0; -#endif -} - -static inline cpumask_t vector_allocation_domain(int cpu) -{ - /* 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. - */ - cpumask_t domain = { { [0] = APIC_ALL_CPUS, } }; - return domain; -} -#endif - -static inline unsigned long check_apicid_used(physid_mask_t bitmap, int apicid) -{ - return physid_isset(apicid, bitmap); -} - -static inline unsigned long check_apicid_present(int bit) -{ - return physid_isset(bit, phys_cpu_present_map); -} - -static inline physid_mask_t ioapic_phys_id_map(physid_mask_t phys_map) -{ - return phys_map; -} - -static inline int multi_timer_check(int apic, int irq) -{ - return 0; -} - -/* Mapping from cpu number to logical apicid */ -static inline int cpu_to_logical_apicid(int cpu) -{ - return 1 << cpu; -} - -static inline int cpu_present_to_apicid(int mps_cpu) -{ - if (mps_cpu < NR_CPUS && cpu_present(mps_cpu)) - return (int)per_cpu(x86_bios_cpu_apicid, mps_cpu); - else - return BAD_APICID; -} - -static inline physid_mask_t apicid_to_cpu_present(int phys_apicid) -{ - return physid_mask_of_physid(phys_apicid); -} - -static inline void setup_portio_remap(void) -{ -} - -static inline int check_phys_apicid_present(int boot_cpu_physical_apicid) -{ - return physid_isset(boot_cpu_physical_apicid, phys_cpu_present_map); -} - -static inline void enable_apic_mode(void) -{ -} -#endif /* CONFIG_X86_LOCAL_APIC */ -#endif /* ASM_X86__MACH_DEFAULT__MACH_APIC_H */ diff --git a/include/asm-x86/mach-default/mach_apicdef.h b/include/asm-x86/mach-default/mach_apicdef.h deleted file mode 100644 index 0c2d41c41b2..00000000000 --- a/include/asm-x86/mach-default/mach_apicdef.h +++ /dev/null @@ -1,24 +0,0 @@ -#ifndef ASM_X86__MACH_DEFAULT__MACH_APICDEF_H -#define ASM_X86__MACH_DEFAULT__MACH_APICDEF_H - -#include - -#ifdef CONFIG_X86_64 -#define APIC_ID_MASK (genapic->apic_id_mask) -#define GET_APIC_ID(x) (genapic->get_apic_id(x)) -#define SET_APIC_ID(x) (genapic->set_apic_id(x)) -#else -#define APIC_ID_MASK (0xF<<24) -static inline unsigned get_apic_id(unsigned long x) -{ - unsigned int ver = GET_APIC_VERSION(apic_read(APIC_LVR)); - if (APIC_XAPIC(ver)) - return (((x)>>24)&0xFF); - else - return (((x)>>24)&0xF); -} - -#define GET_APIC_ID(x) get_apic_id(x) -#endif - -#endif /* ASM_X86__MACH_DEFAULT__MACH_APICDEF_H */ diff --git a/include/asm-x86/mach-default/mach_ipi.h b/include/asm-x86/mach-default/mach_ipi.h deleted file mode 100644 index 674bc7e50c3..00000000000 --- a/include/asm-x86/mach-default/mach_ipi.h +++ /dev/null @@ -1,64 +0,0 @@ -#ifndef ASM_X86__MACH_DEFAULT__MACH_IPI_H -#define ASM_X86__MACH_DEFAULT__MACH_IPI_H - -/* Avoid include hell */ -#define NMI_VECTOR 0x02 - -void send_IPI_mask_bitmask(cpumask_t mask, int vector); -void __send_IPI_shortcut(unsigned int shortcut, int vector); - -extern int no_broadcast; - -#ifdef CONFIG_X86_64 -#include -#define send_IPI_mask (genapic->send_IPI_mask) -#else -static inline void send_IPI_mask(cpumask_t mask, int vector) -{ - send_IPI_mask_bitmask(mask, vector); -} -#endif - -static inline void __local_send_IPI_allbutself(int vector) -{ - if (no_broadcast || vector == NMI_VECTOR) { - cpumask_t mask = cpu_online_map; - - cpu_clear(smp_processor_id(), mask); - send_IPI_mask(mask, vector); - } else - __send_IPI_shortcut(APIC_DEST_ALLBUT, vector); -} - -static inline void __local_send_IPI_all(int vector) -{ - if (no_broadcast || vector == NMI_VECTOR) - send_IPI_mask(cpu_online_map, vector); - else - __send_IPI_shortcut(APIC_DEST_ALLINC, vector); -} - -#ifdef CONFIG_X86_64 -#define send_IPI_allbutself (genapic->send_IPI_allbutself) -#define send_IPI_all (genapic->send_IPI_all) -#else -static inline void send_IPI_allbutself(int vector) -{ - /* - * if there are no other CPUs in the system then we get an APIC send - * error if we try to broadcast, thus avoid sending IPIs in this case. - */ - if (!(num_online_cpus() > 1)) - return; - - __local_send_IPI_allbutself(vector); - return; -} - -static inline void send_IPI_all(int vector) -{ - __local_send_IPI_all(vector); -} -#endif - -#endif /* ASM_X86__MACH_DEFAULT__MACH_IPI_H */ diff --git a/include/asm-x86/mach-default/mach_mpparse.h b/include/asm-x86/mach-default/mach_mpparse.h deleted file mode 100644 index 9c381f2815a..00000000000 --- a/include/asm-x86/mach-default/mach_mpparse.h +++ /dev/null @@ -1,17 +0,0 @@ -#ifndef ASM_X86__MACH_DEFAULT__MACH_MPPARSE_H -#define ASM_X86__MACH_DEFAULT__MACH_MPPARSE_H - -static inline int mps_oem_check(struct mp_config_table *mpc, char *oem, - char *productid) -{ - return 0; -} - -/* Hook from generic ACPI tables.c */ -static inline int acpi_madt_oem_check(char *oem_id, char *oem_table_id) -{ - return 0; -} - - -#endif /* ASM_X86__MACH_DEFAULT__MACH_MPPARSE_H */ diff --git a/include/asm-x86/mach-default/mach_mpspec.h b/include/asm-x86/mach-default/mach_mpspec.h deleted file mode 100644 index d77646f011f..00000000000 --- a/include/asm-x86/mach-default/mach_mpspec.h +++ /dev/null @@ -1,12 +0,0 @@ -#ifndef ASM_X86__MACH_DEFAULT__MACH_MPSPEC_H -#define ASM_X86__MACH_DEFAULT__MACH_MPSPEC_H - -#define MAX_IRQ_SOURCES 256 - -#if CONFIG_BASE_SMALL == 0 -#define MAX_MP_BUSSES 256 -#else -#define MAX_MP_BUSSES 32 -#endif - -#endif /* ASM_X86__MACH_DEFAULT__MACH_MPSPEC_H */ diff --git a/include/asm-x86/mach-default/mach_timer.h b/include/asm-x86/mach-default/mach_timer.h deleted file mode 100644 index 990b1583383..00000000000 --- a/include/asm-x86/mach-default/mach_timer.h +++ /dev/null @@ -1,48 +0,0 @@ -/* - * Machine specific calibrate_tsc() for generic. - * Split out from timer_tsc.c by Osamu Tomita - */ -/* ------ Calibrate the TSC ------- - * Return 2^32 * (1 / (TSC clocks per usec)) for do_fast_gettimeoffset(). - * Too much 64-bit arithmetic here to do this cleanly in C, and for - * accuracy's sake we want to keep the overhead on the CTC speaker (channel 2) - * output busy loop as low as possible. We avoid reading the CTC registers - * directly because of the awkward 8-bit access mechanism of the 82C54 - * device. - */ -#ifndef ASM_X86__MACH_DEFAULT__MACH_TIMER_H -#define ASM_X86__MACH_DEFAULT__MACH_TIMER_H - -#define CALIBRATE_TIME_MSEC 30 /* 30 msecs */ -#define CALIBRATE_LATCH \ - ((CLOCK_TICK_RATE * CALIBRATE_TIME_MSEC + 1000/2)/1000) - -static inline void mach_prepare_counter(void) -{ - /* Set the Gate high, disable speaker */ - outb((inb(0x61) & ~0x02) | 0x01, 0x61); - - /* - * Now let's take care of CTC channel 2 - * - * Set the Gate high, program CTC channel 2 for mode 0, - * (interrupt on terminal count mode), binary count, - * load 5 * LATCH count, (LSB and MSB) to begin countdown. - * - * Some devices need a delay here. - */ - outb(0xb0, 0x43); /* binary, mode 0, LSB/MSB, Ch 2 */ - outb_p(CALIBRATE_LATCH & 0xff, 0x42); /* LSB of count */ - outb_p(CALIBRATE_LATCH >> 8, 0x42); /* MSB of count */ -} - -static inline void mach_countup(unsigned long *count_p) -{ - unsigned long count = 0; - do { - count++; - } while ((inb_p(0x61) & 0x20) == 0); - *count_p = count; -} - -#endif /* ASM_X86__MACH_DEFAULT__MACH_TIMER_H */ diff --git a/include/asm-x86/mach-default/mach_traps.h b/include/asm-x86/mach-default/mach_traps.h deleted file mode 100644 index ff8778f26b8..00000000000 --- a/include/asm-x86/mach-default/mach_traps.h +++ /dev/null @@ -1,33 +0,0 @@ -/* - * Machine specific NMI handling for generic. - * Split out from traps.c by Osamu Tomita - */ -#ifndef ASM_X86__MACH_DEFAULT__MACH_TRAPS_H -#define ASM_X86__MACH_DEFAULT__MACH_TRAPS_H - -#include - -static inline unsigned char get_nmi_reason(void) -{ - return inb(0x61); -} - -static inline void reassert_nmi(void) -{ - int old_reg = -1; - - if (do_i_have_lock_cmos()) - old_reg = current_lock_cmos_reg(); - else - lock_cmos(0); /* register doesn't matter here */ - outb(0x8f, 0x70); - inb(0x71); /* dummy */ - outb(0x0f, 0x70); - inb(0x71); /* dummy */ - if (old_reg >= 0) - outb(old_reg, 0x70); - else - unlock_cmos(); -} - -#endif /* ASM_X86__MACH_DEFAULT__MACH_TRAPS_H */ diff --git a/include/asm-x86/mach-default/mach_wakecpu.h b/include/asm-x86/mach-default/mach_wakecpu.h deleted file mode 100644 index 361b810f516..00000000000 --- a/include/asm-x86/mach-default/mach_wakecpu.h +++ /dev/null @@ -1,42 +0,0 @@ -#ifndef ASM_X86__MACH_DEFAULT__MACH_WAKECPU_H -#define ASM_X86__MACH_DEFAULT__MACH_WAKECPU_H - -/* - * This file copes with machines that wakeup secondary CPUs by the - * INIT, INIT, STARTUP sequence. - */ - -#define WAKE_SECONDARY_VIA_INIT - -#define TRAMPOLINE_LOW phys_to_virt(0x467) -#define TRAMPOLINE_HIGH phys_to_virt(0x469) - -#define boot_cpu_apicid boot_cpu_physical_apicid - -static inline void wait_for_init_deassert(atomic_t *deassert) -{ - while (!atomic_read(deassert)) - cpu_relax(); - return; -} - -/* Nothing to do for most platforms, since cleared by the INIT cycle */ -static inline void smp_callin_clear_local_apic(void) -{ -} - -static inline void store_NMI_vector(unsigned short *high, unsigned short *low) -{ -} - -static inline void restore_NMI_vector(unsigned short *high, unsigned short *low) -{ -} - -#if APIC_DEBUG - #define inquire_remote_apic(apicid) __inquire_remote_apic(apicid) -#else - #define inquire_remote_apic(apicid) {} -#endif - -#endif /* ASM_X86__MACH_DEFAULT__MACH_WAKECPU_H */ diff --git a/include/asm-x86/mach-default/pci-functions.h b/include/asm-x86/mach-default/pci-functions.h deleted file mode 100644 index ed0bab42735..00000000000 --- a/include/asm-x86/mach-default/pci-functions.h +++ /dev/null @@ -1,19 +0,0 @@ -/* - * PCI BIOS function numbering for conventional PCI BIOS - * systems - */ - -#define PCIBIOS_PCI_FUNCTION_ID 0xb1XX -#define PCIBIOS_PCI_BIOS_PRESENT 0xb101 -#define PCIBIOS_FIND_PCI_DEVICE 0xb102 -#define PCIBIOS_FIND_PCI_CLASS_CODE 0xb103 -#define PCIBIOS_GENERATE_SPECIAL_CYCLE 0xb106 -#define PCIBIOS_READ_CONFIG_BYTE 0xb108 -#define PCIBIOS_READ_CONFIG_WORD 0xb109 -#define PCIBIOS_READ_CONFIG_DWORD 0xb10a -#define PCIBIOS_WRITE_CONFIG_BYTE 0xb10b -#define PCIBIOS_WRITE_CONFIG_WORD 0xb10c -#define PCIBIOS_WRITE_CONFIG_DWORD 0xb10d -#define PCIBIOS_GET_ROUTING_OPTIONS 0xb10e -#define PCIBIOS_SET_PCI_HW_INT 0xb10f - diff --git a/include/asm-x86/mach-default/setup_arch.h b/include/asm-x86/mach-default/setup_arch.h deleted file mode 100644 index 38846208b54..00000000000 --- a/include/asm-x86/mach-default/setup_arch.h +++ /dev/null @@ -1,3 +0,0 @@ -/* Hook to call BIOS initialisation function */ - -/* no action for generic */ diff --git a/include/asm-x86/mach-default/smpboot_hooks.h b/include/asm-x86/mach-default/smpboot_hooks.h deleted file mode 100644 index dbab36d64d4..00000000000 --- a/include/asm-x86/mach-default/smpboot_hooks.h +++ /dev/null @@ -1,59 +0,0 @@ -/* two abstractions specific to kernel/smpboot.c, mainly to cater to visws - * which needs to alter them. */ - -static inline void smpboot_clear_io_apic_irqs(void) -{ -#ifdef CONFIG_X86_IO_APIC - io_apic_irqs = 0; -#endif -} - -static inline void smpboot_setup_warm_reset_vector(unsigned long start_eip) -{ - CMOS_WRITE(0xa, 0xf); - local_flush_tlb(); - pr_debug("1.\n"); - *((volatile unsigned short *) TRAMPOLINE_HIGH) = start_eip >> 4; - pr_debug("2.\n"); - *((volatile unsigned short *) TRAMPOLINE_LOW) = start_eip & 0xf; - pr_debug("3.\n"); -} - -static inline void smpboot_restore_warm_reset_vector(void) -{ - /* - * Install writable page 0 entry to set BIOS data area. - */ - local_flush_tlb(); - - /* - * Paranoid: Set warm reset code and vector here back - * to default values. - */ - CMOS_WRITE(0, 0xf); - - *((volatile long *) phys_to_virt(0x467)) = 0; -} - -static inline void __init smpboot_setup_io_apic(void) -{ -#ifdef CONFIG_X86_IO_APIC - /* - * Here we can be sure that there is an IO-APIC in the system. Let's - * go and set it up: - */ - if (!skip_ioapic_setup && nr_ioapics) - setup_IO_APIC(); - else { - nr_ioapics = 0; - localise_nmi_watchdog(); - } -#endif -} - -static inline void smpboot_clear_io_apic(void) -{ -#ifdef CONFIG_X86_IO_APIC - nr_ioapics = 0; -#endif -} -- cgit v1.2.3