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pmm: Misc bug fixes in pmm

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This commit is contained in:
mintsuki 2022-09-28 01:11:26 +02:00
parent 96c184fdf6
commit e466501f92
4 changed files with 17 additions and 16 deletions
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2
common/fs/file.s2.c
View File

@ -100,7 +100,7 @@ void *freadall(struct file_handle *fd, uint32_t type) {
if (fd->readall) {
return fd->fd;
}
memmap_alloc_range((uint64_t)(size_t)fd->fd, ALIGN_UP(fd->size, 4096), type, false, true, false, false);
memmap_alloc_range((uint64_t)(size_t)fd->fd, ALIGN_UP(fd->size, 4096), type, 0, true, false, false);
fd->readall = true;
return fd->fd;
} else {

25
common/mm/pmm.s2.c
View File

@ -32,7 +32,7 @@ void *conv_mem_alloc(size_t count) {
if (base + count > 0x100000)
panic(false, "Conventional memory allocation failed");
if (memmap_alloc_range(base, count, MEMMAP_BOOTLOADER_RECLAIMABLE, true, false, false, false)) {
if (memmap_alloc_range(base, count, MEMMAP_BOOTLOADER_RECLAIMABLE, MEMMAP_USABLE, false, false, false)) {
void *ret = (void *)(uintptr_t)base;
// Zero out allocated space
memset(ret, 0, count);
@ -91,11 +91,11 @@ static const char *memmap_type(uint32_t type) {
void print_memmap(struct memmap_entry *mm, size_t size) {
for (size_t i = 0; i < size; i++) {
printv("[%X -> %X] : %X <%s (%x)>\n",
mm[i].base,
mm[i].base + mm[i].length,
mm[i].length,
memmap_type(mm[i].type), mm[i].type);
print("[%X -> %X] : %X <%s (%x)>\n",
mm[i].base,
mm[i].base + mm[i].length,
mm[i].length,
memmap_type(mm[i].type), mm[i].type);
}
}
@ -277,7 +277,7 @@ void init_memmap(void) {
// Allocate bootloader itself
memmap_alloc_range(4096,
ALIGN_UP((uintptr_t)bss_end, 4096) - 4096, MEMMAP_BOOTLOADER_RECLAIMABLE, true, true, false, false);
ALIGN_UP((uintptr_t)bss_end, 4096) - 4096, MEMMAP_BOOTLOADER_RECLAIMABLE, 0, true, false, false);
sanitise_entries(memmap, &memmap_entries, false);
@ -383,7 +383,6 @@ void init_memmap(void) {
bool old_skfp = sanitiser_keep_first_page;
sanitiser_keep_first_page = true;
sanitise_entries(memmap, &memmap_entries, false);
sanitiser_keep_first_page = old_skfp;
allocations_disallowed = false;
@ -404,18 +403,20 @@ void init_memmap(void) {
if (status) {
print("pmm: WARNING: AllocatePages failure (%d)\n", status);
memmap_alloc_range(memmap[i].base, memmap[i].length, MEMMAP_RESERVED, true, true, false, false);
memmap_alloc_range(memmap[i].base, memmap[i].length, MEMMAP_RESERVED, MEMMAP_USABLE, true, false, false);
}
}
memcpy(untouched_memmap, memmap, memmap_entries * sizeof(struct memmap_entry));
untouched_memmap_entries = memmap_entries;
sanitiser_keep_first_page = old_skfp;
size_t bootloader_size = ALIGN_UP((uintptr_t)__image_end - (uintptr_t)__image_base, 4096);
// Allocate bootloader itself
memmap_alloc_range((uintptr_t)__image_base, bootloader_size,
MEMMAP_BOOTLOADER_RECLAIMABLE, false, true, false, true);
MEMMAP_BOOTLOADER_RECLAIMABLE, 0, true, false, true);
sanitise_entries(memmap, &memmap_entries, false);
@ -551,7 +552,7 @@ void pmm_free(void *ptr, size_t count) {
count = ALIGN_UP(count, 4096);
if (allocations_disallowed)
panic(false, "Memory allocations disallowed");
memmap_alloc_range((uintptr_t)ptr, count, MEMMAP_USABLE, false, false, false, true);
memmap_alloc_range((uintptr_t)ptr, count, MEMMAP_USABLE, 0, false, false, true);
}
void *ext_mem_alloc(size_t count) {
@ -591,7 +592,7 @@ void *ext_mem_alloc_type_aligned(size_t count, uint32_t type, size_t alignment)
// We now reserve the range we need.
int64_t aligned_length = entry_top - alloc_base;
memmap_alloc_range((uint64_t)alloc_base, (uint64_t)aligned_length, type, true, true, false, false);
memmap_alloc_range((uint64_t)alloc_base, (uint64_t)aligned_length, type, MEMMAP_USABLE, true, false, false);
void *ret = (void *)(size_t)alloc_base;

2
common/protos/limine.c
View File

@ -746,7 +746,7 @@ FEAT_END
skip_fb_init:
memmap_alloc_range(fb.framebuffer_addr,
(uint64_t)fb.framebuffer_pitch * fb.framebuffer_height,
MEMMAP_FRAMEBUFFER, false, false, false, true);
MEMMAP_FRAMEBUFFER, 0, false, false, true);
// Framebuffer feature
FEAT_START

4
common/protos/linux.c
View File

@ -426,7 +426,7 @@ noreturn void linux_load(char *config, char *cmdline) {
for (;;) {
if (memmap_alloc_range(kernel_load_addr,
ALIGN_UP(kernel_file->size - real_mode_code_size, 4096),
MEMMAP_BOOTLOADER_RECLAIMABLE, true, false, false, false))
MEMMAP_BOOTLOADER_RECLAIMABLE, MEMMAP_USABLE, false, false, false))
break;
kernel_load_addr += 0x100000;
@ -464,7 +464,7 @@ noreturn void linux_load(char *config, char *cmdline) {
for (;;) {
if (memmap_alloc_range(modules_mem_base, ALIGN_UP(size_of_all_modules, 4096),
MEMMAP_BOOTLOADER_RECLAIMABLE, true, false, false, false))
MEMMAP_BOOTLOADER_RECLAIMABLE, MEMMAP_USABLE, false, false, false))
break;
modules_mem_base -= 4096;
}