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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 // couldn't find it
return E_NO_PTE; return E_NO_PTE;
} }
#if TRACING_VM // #if TRACING_VM
cio_printf(" addr %08x pa %08x last %08x pte %08x *pte %08x\n", // cio_printf( " addr %08x pa %08x last %08x pte %08x *pte %08x\n",
(uint32_t)addr, pa, (uint32_t)last, (uint32_t)pte, *pte); // (uint32_t) addr, pa, (uint32_t) last, (uint32_t) pte, *pte
#endif // );
//#endif
// create the new entry // create the new entry
pde_t entry = pa | perm | PTE_P; 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 */ #endif /* MAKE_IDENTITY_MAP */
extern int _end;
/* /*
** Kernel address mappings, present in every page table ** Kernel address mappings, present in every page table
*/ */
@ -372,7 +374,8 @@ const mapping_t kmap[] = {
// va pa_start pa_end perms // va pa_start pa_end perms
{ KERN_BASE, 0, EXT_BASE, PDE_RW }, { KERN_BASE, 0, EXT_BASE, PDE_RW },
{ KERN_VLINK, KERN_PLINK, V2P(_data), 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 } { DEV_BASE, DEV_BASE, 0, PDE_RW }
}; };
const uint_t n_kmap = sizeof(kmap) / sizeof(kmap[0]); const uint_t n_kmap = sizeof(kmap) / sizeof(kmap[0]);