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Compare Revisions

• This comparison shows the changes necessary to convert path

  → /trunk/kernel/arch/sparc64/src/cpu/ @ 2048

  → /trunk/kernel/arch/sparc64/src/cpu/ @ 2049

  ↔ Reverse comparison

• Compare Path:	Rev

  With Path:	Rev

Ignore whitespace Rev 2048 → Rev 2049

/trunk/kernel/arch/sparc64/src/cpu/cpu.c
44,7 → 44,9
#include <arch/mm/tlb.h>
#include <macros.h>
/** Perform sparc64 specific initialization of the processor structure for the current processor. */
/** Perform sparc64 specific initialization of the processor structure for the
* current processor.
*/
void cpu_arch_init(void)
{
ofw_tree_node_t *node;
66,9 → 68,11
if (prop && prop->value) {
mid = *((uint32_t *) prop->value);
if (mid == CPU->arch.mid) {
prop = ofw_tree_getprop(node, "clock-frequency");
prop = ofw_tree_getprop(node,
"clock-frequency");
if (prop && prop->value)
clock_frequency = *((uint32_t *) prop->value);
clock_frequency = *((uint32_t *)
prop->value);
}
}
node = ofw_tree_find_peer_by_device_type(node, "cpu");
80,16 → 84,19
/*
* Lock CPU stack in DTLB.
*/
uintptr_t base = ALIGN_DOWN(config.base, 1<<KERNEL_PAGE_WIDTH);
uintptr_t base = ALIGN_DOWN(config.base, 1 << KERNEL_PAGE_WIDTH);
if (!overlaps((uintptr_t) CPU->stack, PAGE_SIZE, base, (1<<KERNEL_PAGE_WIDTH))) {
if (!overlaps((uintptr_t) CPU->stack, PAGE_SIZE, base, (1 <<
KERNEL_PAGE_WIDTH))) {
/*
* Kernel stack of this processor is not locked in DTLB.
* First, demap any already existing mappings.
* Second, create a locked mapping for it.
*/
dtlb_demap(TLB_DEMAP_PAGE, TLB_DEMAP_NUCLEUS, (uintptr_t) CPU->stack);
dtlb_insert_mapping((uintptr_t) CPU->stack, KA2PA(CPU->stack), PAGESIZE_8K, true, true);
dtlb_demap(TLB_DEMAP_PAGE, TLB_DEMAP_NUCLEUS, (uintptr_t)
CPU->stack);
dtlb_insert_mapping((uintptr_t) CPU->stack, KA2PA(CPU->stack),
PAGESIZE_8K, true, true);
}
}
103,7 → 110,8
*
* This function is called by the bootstrap processor.
*
* @param m Processor structure of the CPU for which version information is to be printed.
* @param m Processor structure of the CPU for which version information is to
* be printed.
*/
void cpu_print_report(cpu_t *m)
{
151,8 → 159,8
break;
}
printf("cpu%d: manuf=%s, impl=%s, mask=%d (%dMHz)\n",
m->id, manuf, impl, m->arch.ver.mask, m->arch.clock_frequency/1000000);
printf("cpu%d: manuf=%s, impl=%s, mask=%d (%dMHz)\n", m->id, manuf,
impl, m->arch.ver.mask, m->arch.clock_frequency / 1000000);
}
/** @}