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pmap: change pmap_add* virtual pointer parameter to virt_addr_t

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This commit is contained in:
max 🍓
2026-02-08 12:08:26 +00:00
parent 34f614b881
commit 49a75a1bbe
2 changed files with 23 additions and 12 deletions
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13
arch/x86_64/pmap.c
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@@ -133,12 +133,11 @@ static void delete_pdir(phys_addr_t pd)
static kern_status_t do_pmap_add(
pmap_t pmap,
void *p,
virt_addr_t pv,
pfn_t pfn,
enum vm_prot prot,
enum page_size size)
{
uintptr_t pv = (uintptr_t)p;
unsigned int pml4t_index = BAD_INDEX, pdpt_index = BAD_INDEX,
pd_index = BAD_INDEX, pt_index = BAD_INDEX;
@@ -261,11 +260,11 @@ void pmap_bootstrap(void)
/* map 2GiB at the end of the address space to
replace the mapping created by start_32 and allow access to
the kernel and memblock-allocated data. */
uintptr_t vbase = VM_KERNEL_VOFFSET;
virt_addr_t vbase = VM_KERNEL_VOFFSET;
for (size_t i = 0; i < C_2GiB; i += hugepage_sz) {
do_pmap_add(
kernel_pmap,
(void *)(vbase + i),
vbase + i,
PFN(i),
VM_PROT_READ | VM_PROT_WRITE | VM_PROT_EXEC
| VM_PROT_SVR,
@@ -285,7 +284,7 @@ void pmap_bootstrap(void)
for (size_t i = 0; i < pmem_limit; i += hugepage_sz) {
do_pmap_add(
kernel_pmap,
(void *)(vbase + i),
vbase + i,
PFN(i),
VM_PROT_READ | VM_PROT_WRITE | VM_PROT_SVR
| VM_PROT_NOCACHE,
@@ -306,7 +305,7 @@ void pmap_destroy(pmap_t pmap)
kern_status_t pmap_add(
pmap_t pmap,
void *p,
virt_addr_t p,
pfn_t pfn,
enum vm_prot prot,
enum pmap_flags flags)
@@ -321,7 +320,7 @@ kern_status_t pmap_add(
kern_status_t pmap_add_block(
pmap_t pmap,
void *p,
virt_addr_t p,
pfn_t pfn,
size_t len,
enum vm_prot prot,

20
include/mango/pmap.h
View File

@@ -3,11 +3,12 @@
/* all the functions declared in this file are defined in arch/xyz/pmap.c */
#include <mango/vm.h>
#include <mango/status.h>
#include <mango/machine/pmap.h>
#include <mango/status.h>
#include <mango/vm.h>
#include <stddef.h>
#define PMAP_INVALID ML_PMAP_INVALID
#define PFN(x) ((x) >> VM_PAGE_SHIFT)
#ifdef __cplusplus
@@ -29,8 +30,19 @@ extern pmap_t pmap_create(void);
extern void pmap_destroy(pmap_t pmap);
extern void pmap_switch(pmap_t pmap);
extern kern_status_t pmap_add(pmap_t pmap, void *p, pfn_t pfn, enum vm_prot prot, enum pmap_flags flags);
extern kern_status_t pmap_add_block(pmap_t pmap, void *p, pfn_t pfn, size_t len, enum vm_prot prot, enum pmap_flags flags);
extern kern_status_t pmap_add(
pmap_t pmap,
virt_addr_t p,
pfn_t pfn,
enum vm_prot prot,
enum pmap_flags flags);
extern kern_status_t pmap_add_block(
pmap_t pmap,
virt_addr_t p,
pfn_t pfn,
size_t len,
enum vm_prot prot,
enum pmap_flags flags);
extern kern_status_t pmap_remove(pmap_t pmap, void *p);
extern kern_status_t pmap_remove_range(pmap_t pmap, void *p, size_t len);