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This commit is contained in:
Murphy 2025-03-27 16:36:02 -04:00
parent eab3dd71ee
commit ff990eb0c3
Signed by: freya
GPG key ID: 9FBC6FFD6D2DBF17
2 changed files with 9 additions and 5 deletions

9
kernel/vm.c
View file

@ -591,10 +591,11 @@ int vm_map(pde_t *pdir, void *va, uint32_t pa, uint32_t size, int perm)
// couldn't find it
return E_NO_PTE;
}
#if TRACING_VM
cio_printf(" addr %08x pa %08x last %08x pte %08x *pte %08x\n",
(uint32_t)addr, pa, (uint32_t)last, (uint32_t)pte, *pte);
#endif
// #if TRACING_VM
// cio_printf( " addr %08x pa %08x last %08x pte %08x *pte %08x\n",
// (uint32_t) addr, pa, (uint32_t) last, (uint32_t) pte, *pte
// );
//#endif
// create the new entry
pde_t entry = pa | perm | PTE_P;

5
kernel/vmtables.c
View file

@ -365,6 +365,8 @@ const pte_t id_map[N_PTE] = {
};
#endif /* MAKE_IDENTITY_MAP */
extern int _end;
/*
** Kernel address mappings, present in every page table
*/
@ -372,7 +374,8 @@ const mapping_t kmap[] = {
// va pa_start pa_end perms
{ KERN_BASE, 0, EXT_BASE, PDE_RW },
{ KERN_VLINK, KERN_PLINK, V2P(_data), PDE_RW },
{ (uint32_t)_data, V2P(_data), KERN_BASE, PDE_RW },
// { (uint32_t) _data, V2P(_data), V2P(_end), PDE_RW },
{ (uint32_t)_data, V2P(_data), PHYS_TOP, PDE_RW },
{ DEV_BASE, DEV_BASE, 0, PDE_RW }
};
const uint_t n_kmap = sizeof(kmap) / sizeof(kmap[0]);