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[MEMORY] Process memory management

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This commit is contained in:
Thomas Lovén
2016-12-19 12:06:24 +01:00
parent ba2ecd725f
commit 0101440894
4 changed files with 154 additions and 10 deletions
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10
kernel/boot/kmain.c
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@@ -35,12 +35,12 @@ int kmain(uint64_t multiboot_magic, void *multiboot_data)
uint64_t addr = 0x200000;
thread_t *th = new_thread((void *)addr, 1);
uintptr_t page = pmm_alloc();
// Write thread code to address
vmm_set_page(p1->P4, addr, page, PAGE_PRESENT | PAGE_WRITE | PAGE_USER);
memcpy(P2V(page), thread_function, PAGE_SIZE);
// Map a user stack space
vmm_set_page(p1->P4, USERSPACE_TOP-PAGE_SIZE, pmm_alloc(), PAGE_PRESENT | PAGE_WRITE | PAGE_USER);
procmm_map(p1->mmap, addr, addr+PAGE_SIZE, 0);
vmm_p4_memcpy(p1->mmap->P4, (void *)addr, 0, thread_function, PAGE_SIZE);
procmm_setup(p1);
procmm_print_map(p1->mmap);
process_attach(p1, th);
scheduler_insert(th);