* This file provides all the same external entries as smp.c but uses
* the voyager hal to provide the functionality
*/
-#include <linux/config.h>
#include <linux/module.h>
#include <linux/mm.h>
#include <linux/kernel_stat.h>
static void do_quad_bootstrap(void);
int hard_smp_processor_id(void);
+int safe_smp_processor_id(void);
/* Inline functions */
static inline void
}
static inline void
-wrapper_smp_local_timer_interrupt(struct pt_regs *regs)
+wrapper_smp_local_timer_interrupt(void)
{
irq_enter();
- smp_local_timer_interrupt(regs);
+ smp_local_timer_interrupt();
irq_exit();
}
print_cpu_info(&cpu_data[cpu]);
wmb();
cpu_set(cpu, cpu_callout_map);
+ cpu_set(cpu, cpu_present_map);
}
else {
printk("CPU%d FAILED TO BOOT: ", cpu);
smp_vic_sys_interrupt(struct pt_regs *regs)
{
ack_CPI(VIC_SYS_INT);
- printk("Voyager SYSTEM INTERRUPT\n");
+ printk("Voyager SYSTEM INTERRUPT\n");
}
/* Handle a voyager CMN_INT; These interrupts occur either because of
fastcall void
smp_apic_timer_interrupt(struct pt_regs *regs)
{
- wrapper_smp_local_timer_interrupt(regs);
+ struct pt_regs *old_regs = set_irq_regs(regs);
+ wrapper_smp_local_timer_interrupt();
+ set_irq_regs(old_regs);
}
/* All of the QUAD interrupt GATES */
smp_qic_timer_interrupt(struct pt_regs *regs)
{
ack_QIC_CPI(QIC_TIMER_CPI);
- wrapper_smp_local_timer_interrupt(regs);
+ struct pt_regs *old_regs = set_irq_regs(regs);
+ wrapper_smp_local_timer_interrupt(void);
+ set_irq_regs(old_regs);
}
fastcall void
fastcall void
smp_vic_cpi_interrupt(struct pt_regs *regs)
{
+ struct pt_regs *old_regs = set_irq_regs(regs);
__u8 cpu = smp_processor_id();
if(is_cpu_quad())
ack_VIC_CPI(VIC_CPI_LEVEL0);
if(test_and_clear_bit(VIC_TIMER_CPI, &vic_cpi_mailbox[cpu]))
- wrapper_smp_local_timer_interrupt(regs);
+ wrapper_smp_local_timer_interrupt();
if(test_and_clear_bit(VIC_INVALIDATE_CPI, &vic_cpi_mailbox[cpu]))
smp_invalidate_interrupt();
if(test_and_clear_bit(VIC_RESCHEDULE_CPI, &vic_cpi_mailbox[cpu]))
smp_enable_irq_interrupt();
if(test_and_clear_bit(VIC_CALL_FUNCTION_CPI, &vic_cpi_mailbox[cpu]))
smp_call_function_interrupt();
+ set_irq_regs(old_regs);
}
static void
return 0;
}
+int
+safe_smp_processor_id(void)
+{
+ return hard_smp_processor_id();
+}
+
/* broadcast a halt to all other CPUs */
void
smp_send_stop(void)
void
smp_vic_timer_interrupt(struct pt_regs *regs)
{
+ struct pt_regs *old_regs = set_irq_regs(regs);
send_CPI_allbutself(VIC_TIMER_CPI);
- smp_local_timer_interrupt(regs);
+ smp_local_timer_interrupt();
+ set_irq_regs(old_regs);
}
/* local (per CPU) timer interrupt. It does both profiling and
* value into /proc/profile.
*/
void
-smp_local_timer_interrupt(struct pt_regs * regs)
+smp_local_timer_interrupt(void)
{
int cpu = smp_processor_id();
long weight;
- profile_tick(CPU_PROFILING, regs);
+ profile_tick(CPU_PROFILING);
if (--per_cpu(prof_counter, cpu) <= 0) {
/*
* The multiplier may have changed since the last time we got
per_cpu(prof_counter, cpu);
}
- update_process_times(user_mode_vm(regs));
+ update_process_times(user_mode_vm(irq_regs));
}
if( ((1<<cpu) & voyager_extended_vic_processors) == 0)
* This is for later: first 16 correspond to PC IRQs; next 16
* are Primary MC IRQs and final 16 are Secondary MC IRQs */
for(i = 0; i < 48; i++)
- irq_desc[i].handler = &vic_irq_type;
+ irq_desc[i].chip = &vic_irq_type;
}
/* send a CPI at level cpi to a set of cpus in cpuset (set 1 bit per
printk("VOYAGER SMP: CPU%d lost interrupt %d\n",
cpu, irq);
- for_each_cpu(real_cpu, mask) {
+ for_each_possible_cpu(real_cpu, mask) {
outb(VIC_CPU_MASQUERADE_ENABLE | real_cpu,
VIC_PROCESSOR_ID);
cpu_set(smp_processor_id(), cpu_online_map);
cpu_set(smp_processor_id(), cpu_callout_map);
cpu_set(smp_processor_id(), cpu_possible_map);
+ cpu_set(smp_processor_id(), cpu_present_map);
}
int __devinit
{
zap_low_mappings();
}
+
+void __init
+smp_setup_processor_id(void)
+{
+ current_thread_info()->cpu = hard_smp_processor_id();
+}