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Kernel: Use PAGE_SIZE in more places

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This commit is contained in:
apio 2022-10-12 13:05:57 +02:00
parent f5deb1048a
commit 97eacc027e
4 changed files with 13 additions and 13 deletions
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2
kernel/include/memory/Paging.h
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@ -27,5 +27,5 @@ namespace Paging
struct PageTable
{
PageDirectoryEntry entries[512];
} __attribute__((aligned(0x1000)));
} __attribute__((aligned(PAGE_SIZE)));
}

16
kernel/src/gdt/GDT.cpp
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@ -49,15 +49,15 @@ struct InternalGDT
GDTEntry user_data;
GDTEntry tss;
HighGDTEntry tss2;
} __attribute__((packed)) __attribute((aligned(0x1000)));
} __attribute__((packed)) __attribute((aligned(PAGE_SIZE)));
__attribute__((aligned(0x1000))) static InternalGDT internal_gdt = {{0x0000, 0x0000, 0x00, 0x00, 0x00, 0x00},
{0xffff, 0x0000, 0x00, 0x9a, 0xaf, 0x00},
{0xffff, 0x0000, 0x00, 0x92, 0xcf, 0x00},
{0xffff, 0x0000, 0x00, 0xfa, 0xaf, 0x00},
{0xffff, 0x0000, 0x00, 0xf2, 0xcf, 0x00},
{0x0000, 0x0000, 0x00, 0xe9, 0x0f, 0x00},
{0x00000000, 0x00000000}};
__attribute__((aligned(PAGE_SIZE))) static InternalGDT internal_gdt = {{0x0000, 0x0000, 0x00, 0x00, 0x00, 0x00},
{0xffff, 0x0000, 0x00, 0x9a, 0xaf, 0x00},
{0xffff, 0x0000, 0x00, 0x92, 0xcf, 0x00},
{0xffff, 0x0000, 0x00, 0xfa, 0xaf, 0x00},
{0xffff, 0x0000, 0x00, 0xf2, 0xcf, 0x00},
{0x0000, 0x0000, 0x00, 0xe9, 0x0f, 0x00},
{0x00000000, 0x00000000}};
static TSS main_tss;

6
kernel/src/memory/VMM.cpp
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@ -164,7 +164,7 @@ namespace Paging
{
PDP = (PageTable*)PMM::request_page();
ASSERT(!(PMM_DID_FAIL(PDP)));
memset(PDP, 0, 0x1000);
memset(PDP, 0, PAGE_SIZE);
PDE.set_address((uint64_t)PDP);
PDE.Present = true;
PDE.ReadWrite = true;
@ -184,7 +184,7 @@ namespace Paging
{
PD = (PageTable*)PMM::request_page();
ASSERT(!(PMM_DID_FAIL(PD)));
memset(PD, 0, 0x1000);
memset(PD, 0, PAGE_SIZE);
PDE.set_address((uint64_t)PD);
PDE.Present = true;
PDE.ReadWrite = true;
@ -204,7 +204,7 @@ namespace Paging
{
PT = (PageTable*)PMM::request_page();
ASSERT(!(PMM_DID_FAIL(PT)));
memset(PT, 0, 0x1000);
memset(PT, 0, PAGE_SIZE);
PDE.set_address((uint64_t)PT);
PDE.Present = true;
PDE.ReadWrite = true;

2
kernel/src/sys/elf/ELFLoader.cpp
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@ -103,7 +103,7 @@ ELFImage* ELFLoader::load_elf_from_address(uintptr_t addr)
kerrorln("Address is NULL, this is invalid :(");
return 0;
}
uint64_t pages = Utilities::get_blocks_from_size(0x1000, phdr->p_memsz);
uint64_t pages = Utilities::get_blocks_from_size(PAGE_SIZE, phdr->p_memsz);
void* buffer = MemoryManager::get_pages_at(phdr->p_vaddr, pages,
phdr->p_flags & 2 ? MAP_READ_WRITE | MAP_USER : MAP_USER);
memcpy(buffer, (void*)(addr + phdr->p_offset), phdr->p_filesz);