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vmm: default vmm_map address to KERNELSPACE_START

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Matheus
2023-04-18 21:37:26 -03:00
parent b245108be6
commit 156161e3aa
1 changed files with 3 additions and 0 deletions
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kernel-src/mm/vmm.c
+3
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@@ -272,6 +272,9 @@ bool vmm_pagefault(void *addr, bool user, int actions) {
} }
void *vmm_map(void *addr, volatile size_t size, int flags, mmuflags_t mmuflags, void *private) { void *vmm_map(void *addr, volatile size_t size, int flags, mmuflags_t mmuflags, void *private) {
if (addr == NULL)
addr = KERNELSPACE_START;
addr = (void *)ROUND_DOWN((uintptr_t)addr, PAGE_SIZE); addr = (void *)ROUND_DOWN((uintptr_t)addr, PAGE_SIZE);
if (flags & VMM_FLAGS_PAGESIZE) if (flags & VMM_FLAGS_PAGESIZE)
size *= PAGE_SIZE; size *= PAGE_SIZE;