CRIS v32: Update kernel/smp.c for CRIS v32.
- Change include paths to machine specific headers (asm/arch/hwregs -> hwregs) - Add cpu_possible_map as cpumask_t and export it. - Drop struct pt_regs parameter from crisv32_ipi_interrupt. - timer -> timer0
This commit is contained in:
Родитель
574852a2a5
Коммит
538380da1a
|
@ -1,11 +1,12 @@
|
|||
#include <linux/types.h>
|
||||
#include <asm/delay.h>
|
||||
#include <asm/arch/irq.h>
|
||||
#include <asm/arch/hwregs/intr_vect.h>
|
||||
#include <asm/arch/hwregs/intr_vect_defs.h>
|
||||
#include <irq.h>
|
||||
#include <hwregs/intr_vect.h>
|
||||
#include <hwregs/intr_vect_defs.h>
|
||||
#include <asm/tlbflush.h>
|
||||
#include <asm/mmu_context.h>
|
||||
#include <asm/arch/hwregs/mmu_defs_asm.h>
|
||||
#include <asm/arch/hwregs/supp_reg.h>
|
||||
#include <hwregs/asm/mmu_defs_asm.h>
|
||||
#include <hwregs/supp_reg.h>
|
||||
#include <asm/atomic.h>
|
||||
|
||||
#include <linux/err.h>
|
||||
|
@ -20,6 +21,7 @@
|
|||
#define IPI_SCHEDULE 1
|
||||
#define IPI_CALL 2
|
||||
#define IPI_FLUSH_TLB 4
|
||||
#define IPI_BOOT 8
|
||||
|
||||
#define FLUSH_ALL (void*)0xffffffff
|
||||
|
||||
|
@ -30,6 +32,8 @@ spinlock_t cris_atomic_locks[] = { [0 ... LOCK_COUNT - 1] = SPIN_LOCK_UNLOCKED};
|
|||
cpumask_t cpu_online_map = CPU_MASK_NONE;
|
||||
EXPORT_SYMBOL(cpu_online_map);
|
||||
cpumask_t phys_cpu_present_map = CPU_MASK_NONE;
|
||||
cpumask_t cpu_possible_map;
|
||||
EXPORT_SYMBOL(cpu_possible_map);
|
||||
EXPORT_SYMBOL(phys_cpu_present_map);
|
||||
|
||||
/* Variables used during SMP boot */
|
||||
|
@ -55,13 +59,12 @@ static unsigned long flush_addr;
|
|||
extern int setup_irq(int, struct irqaction *);
|
||||
|
||||
/* Mode registers */
|
||||
static unsigned long irq_regs[NR_CPUS] =
|
||||
{
|
||||
static unsigned long irq_regs[NR_CPUS] = {
|
||||
regi_irq,
|
||||
regi_irq2
|
||||
};
|
||||
|
||||
static irqreturn_t crisv32_ipi_interrupt(int irq, void *dev_id, struct pt_regs *regs);
|
||||
static irqreturn_t crisv32_ipi_interrupt(int irq, void *dev_id);
|
||||
static int send_ipi(int vector, int wait, cpumask_t cpu_mask);
|
||||
static struct irqaction irq_ipi = {
|
||||
.handler = crisv32_ipi_interrupt,
|
||||
|
@ -101,6 +104,7 @@ void __devinit smp_prepare_boot_cpu(void)
|
|||
|
||||
cpu_set(0, cpu_online_map);
|
||||
cpu_set(0, phys_cpu_present_map);
|
||||
cpu_set(0, cpu_possible_map);
|
||||
}
|
||||
|
||||
void __init smp_cpus_done(unsigned int max_cpus)
|
||||
|
@ -113,6 +117,7 @@ smp_boot_one_cpu(int cpuid)
|
|||
{
|
||||
unsigned timeout;
|
||||
struct task_struct *idle;
|
||||
cpumask_t cpu_mask = CPU_MASK_NONE;
|
||||
|
||||
idle = fork_idle(cpuid);
|
||||
if (IS_ERR(idle))
|
||||
|
@ -124,6 +129,12 @@ smp_boot_one_cpu(int cpuid)
|
|||
smp_init_current_idle_thread = task_thread_info(idle);
|
||||
cpu_now_booting = cpuid;
|
||||
|
||||
/* Kick it */
|
||||
cpu_set(cpuid, cpu_online_map);
|
||||
cpu_set(cpuid, cpu_mask);
|
||||
send_ipi(IPI_BOOT, 0, cpu_mask);
|
||||
cpu_clear(cpuid, cpu_online_map);
|
||||
|
||||
/* Wait for CPU to come online */
|
||||
for (timeout = 0; timeout < 10000; timeout++) {
|
||||
if(cpu_online(cpuid)) {
|
||||
|
@ -165,7 +176,7 @@ void __init smp_callin(void)
|
|||
/* Enable IRQ and idle */
|
||||
REG_WR(intr_vect, irq_regs[cpu], rw_mask, vect_mask);
|
||||
unmask_irq(IPI_INTR_VECT);
|
||||
unmask_irq(TIMER_INTR_VECT);
|
||||
unmask_irq(TIMER0_INTR_VECT);
|
||||
preempt_disable();
|
||||
local_irq_enable();
|
||||
|
||||
|
@ -328,7 +339,7 @@ int smp_call_function(void (*func)(void *info), void *info,
|
|||
return ret;
|
||||
}
|
||||
|
||||
irqreturn_t crisv32_ipi_interrupt(int irq, void *dev_id, struct pt_regs *regs)
|
||||
irqreturn_t crisv32_ipi_interrupt(int irq, void *dev_id)
|
||||
{
|
||||
void (*func) (void *info) = call_data->func;
|
||||
void *info = call_data->info;
|
||||
|
|
Загрузка…
Ссылка в новой задаче