/*
* Takes as first input the PROM assigned cpu id, and the kernel
* assigned cpu id as the second.
*/
static void alloc_cpupda(cpuid_t cpu, int cpunum)
{
cnodeid_t node = get_cpu_cnode(cpu);
nasid_t nasid = COMPACT_TO_NASID_NODEID(node);
cputonasid(cpunum) = nasid;
cpu_data[cpunum].p_nodeid = node;
cputoslice(cpunum) = get_cpu_slice(cpu);
}
/*
* Launch a slave into smp_bootstrap(). It doesn't take an argument, and we
* set sp to the kernel stack of the newly created idle process, gp to the proc
* struct so that current_thread_info() will work.
*/
void __init prom_boot_secondary(int cpu, struct task_struct *idle)
{
unsigned long gp = (unsigned long) idle->thread_info;
unsigned long sp = gp + THREAD_SIZE - 32;
LAUNCH_SLAVE(cputonasid(cpu),cputoslice(cpu),
(launch_proc_t)MAPPED_KERN_RW_TO_K0(smp_bootstrap),
0, (void *) sp, (void *) gp);
}
/*
* Launch a slave into smp_bootstrap(). It doesn't take an argument, and we
* set sp to the kernel stack of the newly created idle process, gp to the proc
* struct so that current_thread_info() will work.
*/
static void __cpuinit ip27_boot_secondary(int cpu, struct task_struct *idle)
{
unsigned long gp = (unsigned long)task_thread_info(idle);
unsigned long sp = __KSTK_TOS(idle);
LAUNCH_SLAVE(cputonasid(cpu), cputoslice(cpu),
(launch_proc_t)MAPPED_KERN_RW_TO_K0(smp_bootstrap),
0, (void *) sp, (void *) gp);
}
unsigned long ip27_do_gettimeoffset(void)
{
unsigned long ct_cur1;
ct_cur1 = REMOTE_HUB_L(cputonasid(0), PI_RT_COUNT) + CYCLES_PER_JIFFY;
return (ct_cur1 - ct_cur[0]) * NSEC_PER_CYCLE / 1000;
}
static cycle_t hub_rt_read(void)
{
return REMOTE_HUB_L(cputonasid(0), PI_RT_COUNT);
}
static cycle_t hub_rt_read(struct clocksource *cs)
{
return REMOTE_HUB_L(cputonasid(0), PI_RT_COUNT);
}
