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vm: add memblock support to vm_virt_to_phys, add vm_phys_to_virt

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max 🍓
2023-02-06 20:40:27 +00:00
parent 998f05d337
commit 109616ec30
2 changed files with 14 additions and 0 deletions
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1
include/socks/vm.h
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@@ -201,6 +201,7 @@ extern kern_status_t vm_bootstrap(const vm_zone_descriptor_t *zones, size_t nr_z
extern vm_pg_data_t *vm_pg_data_get(vm_node_id_t node); extern vm_pg_data_t *vm_pg_data_get(vm_node_id_t node);
extern phys_addr_t vm_virt_to_phys(void *p); extern phys_addr_t vm_virt_to_phys(void *p);
extern void *vm_phys_to_virt(phys_addr_t p);
extern void vm_page_init_array(); extern void vm_page_init_array();
extern vm_page_t *vm_page_get(phys_addr_t addr); extern vm_page_t *vm_page_get(phys_addr_t addr);

13
vm/page.c
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@@ -49,10 +49,23 @@ void tmp_set_vaddr_base(void *p, size_t len)
phys_addr_t vm_virt_to_phys(void *p) phys_addr_t vm_virt_to_phys(void *p)
{ {
if ((uintptr_t)p >= memblock.m_alloc_start && (uintptr_t)p < memblock.m_alloc_end) {
return memblock_virt_to_phys(p);
}
phys_addr_t x = (phys_addr_t)p - (phys_addr_t)tmp_vaddr_base; phys_addr_t x = (phys_addr_t)p - (phys_addr_t)tmp_vaddr_base;
return x; return x;
} }
void *vm_phys_to_virt(phys_addr_t p)
{
if (p >= (memblock.m_alloc_start - memblock.m_voffset) && p < (memblock.m_alloc_end - memblock.m_voffset)) {
return memblock_phys_to_virt(p);
}
return NULL;
}
void vm_page_init_array() void vm_page_init_array()
{ {
size_t pmem_size = 0; size_t pmem_size = 0;