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Break down operations to make protect_kernel_sections() more readable

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apio 2022-11-19 22:27:59 +01:00
parent d96cb73995
commit c886669d56
1 changed files with 4 additions and 2 deletions
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6
kernel/src/memory/MemoryManager.cpp
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@ -43,10 +43,12 @@ namespace MemoryManager
{ {
Result<void> protect_kernel_sections() Result<void> protect_kernel_sections()
{ {
u64 rodata_pages = get_blocks_from_size((u64)(end_of_kernel_rodata - start_of_kernel_rodata), ARCH_PAGE_SIZE); const u64 rodata_size = (u64)(end_of_kernel_rodata - start_of_kernel_rodata);
const u64 rodata_pages = get_blocks_from_size(rodata_size, ARCH_PAGE_SIZE);
TRY(remap((u64)start_of_kernel_rodata, rodata_pages, MMU::NoExecute)); TRY(remap((u64)start_of_kernel_rodata, rodata_pages, MMU::NoExecute));
u64 data_pages = get_blocks_from_size((u64)(end_of_kernel_data - start_of_kernel_data), ARCH_PAGE_SIZE); const u64 data_size = (u64)(end_of_kernel_data - start_of_kernel_data);
const u64 data_pages = get_blocks_from_size(data_size, ARCH_PAGE_SIZE);
TRY(remap((u64)start_of_kernel_data, data_pages, MMU::NoExecute | MMU::ReadWrite)); TRY(remap((u64)start_of_kernel_data, data_pages, MMU::NoExecute | MMU::ReadWrite));
return {}; return {};