diff options
Diffstat (limited to 'arch/mips64/sgi-ip27/ip27-init.c')
| -rw-r--r-- | arch/mips64/sgi-ip27/ip27-init.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/arch/mips64/sgi-ip27/ip27-init.c b/arch/mips64/sgi-ip27/ip27-init.c index 1c4caad15..64b4d5236 100644 --- a/arch/mips64/sgi-ip27/ip27-init.c +++ b/arch/mips64/sgi-ip27/ip27-init.c @@ -15,6 +15,8 @@ #include <asm/processor.h> #include <asm/sn/launch.h> +#define CPU_NONE (cpuid_t)-1 + #define CPUMASK_CLRALL(p) (p) = 0 #define CPUMASK_SETB(p, bit) (p) |= 1 << (bit) #define CPUMASK_CLRB(p, bit) (p) &= ~(1ULL << (bit)) @@ -144,6 +146,35 @@ cpuid_t cpu_node_probe(cpumask_t *boot_cpumask, int *numnodes) return(highest + 1); } +void alloc_cpupda(int i) +{ + cnodeid_t node; + nasid_t nasid; + + node = get_cpu_cnode(i); + nasid = COMPACT_TO_NASID_NODEID(node); + + cputonasid(i) = nasid; + cputocnode(i) = node; + cputoslice(i) = get_cpu_slice(i); +} + +int cpu_enabled(cpuid_t cpu) +{ + if (cpu == CPU_NONE) + return 0; + return (CPUMASK_TSTB(boot_cpumask, cpu) != 0); +} + +void initpdas(void) +{ + cpuid_t i; + + for (i = 0; i < maxcpus; i++) + if (cpu_enabled(i)) + alloc_cpupda(i); +} + void mlreset (void) { int i; @@ -156,6 +187,7 @@ void mlreset (void) */ CPUMASK_CLRALL(boot_cpumask); maxcpus = cpu_node_probe(&boot_cpumask, &numnodes); + initpdas(); gen_region_mask(®ion_mask, numnodes); |