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Compare Revisions

• This comparison shows the changes necessary to convert path

  → /trunk/kernel/arch/sparc64/src/mm/page.c @ 1902

  → /trunk/kernel/arch/sparc64/src/mm/page.c @ 1903

  ↔ Reverse comparison

• Compare Path:	Rev

  With Path:	Rev

Ignore whitespace Rev 1902 → Rev 1903

/trunk/kernel/arch/sparc64/src/mm/page.c
40,10 → 40,45
#include <bitops.h>
#include <debug.h>
#include <align.h>
#include <config.h>
#ifdef CONFIG_SMP
/** Entries locked in DTLB of BSP.
*
* Application processors need to have the same locked entries
* in their DTLBs as the bootstrap processor.
*/
static struct {
uintptr_t virt_page;
uintptr_t phys_page;
int pagesize_code;
} bsp_locked_dtlb_entry[DTLB_ENTRY_COUNT];
/** Number of entries in bsp_locked_dtlb_entry array. */
static count_t bsp_locked_dtlb_entries = 0;
#endif /* CONFIG_SMP */
/** Perform sparc64 specific initialization of paging. */
void page_arch_init(void)
{
page_mapping_operations = &ht_mapping_operations;
if (config.cpu_active == 1) {
page_mapping_operations = &ht_mapping_operations;
} else {
#ifdef CONFIG_SMP
int i;
/*
* Copy locked DTLB entries from the BSP.
*/
for (i = 0; i < bsp_locked_dtlb_entries; i++) {
dtlb_insert_mapping(bsp_locked_dtlb_entry[i].virt_page,
bsp_locked_dtlb_entry[i].phys_page, bsp_locked_dtlb_entry[i].pagesize_code,
true, false);
}
#endif
}
}
/** Map memory-mapped device into virtual memory.
67,8 → 102,10
unsigned int order;
int i;
ASSERT(config.cpu_active == 1);
struct {
int pagesize;
int pagesize_code;
size_t increment;
count_t count;
} sizemap[] = {
101,11 → 138,25
uintptr_t virtaddr = ALIGN_UP(last_frame, 1<<(order + FRAME_WIDTH));
last_frame = ALIGN_UP(virtaddr + size, 1<<(order + FRAME_WIDTH));
for (i = 0; i < sizemap[order].count; i++)
for (i = 0; i < sizemap[order].count; i++) {
/*
* First, insert the mapping into DTLB.
*/
dtlb_insert_mapping(virtaddr + i*sizemap[order].increment,
physaddr + i*sizemap[order].increment,
sizemap[order].pagesize, true, false);
sizemap[order].pagesize_code, true, false);
#ifdef CONFIG_SMP
/*
* Second, save the information about the mapping for APs.
*/
bsp_locked_dtlb_entry[bsp_locked_dtlb_entries].virt_page = virtaddr + i*sizemap[order].increment;
bsp_locked_dtlb_entry[bsp_locked_dtlb_entries].phys_page = physaddr + i*sizemap[order].increment;
bsp_locked_dtlb_entry[bsp_locked_dtlb_entries].pagesize_code = sizemap[order].pagesize_code;
bsp_locked_dtlb_entries++;
#endif
}
return virtaddr;
}