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efi arm: use kernel args allocator built-in alignment feature

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No need to manually align allocations, the kernel can do it.

Change-Id: Ib5b271df0a44f0ed3d8af584b9a881b1d35120a3
Reviewed-on: https://review.haiku-os.org/c/haiku/+/10110
Reviewed-by: waddlesplash <[email protected]>
Tested-by: Commit checker robot <[email protected]>
This commit is contained in:
PulkoMandy
2025-12-18 10:45:08 +00:00
committed by Adrien Destugues
parent 3d2b40d59e
commit d0d8228843
1 changed files with 3 additions and 5 deletions
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src/system/boot/platform/efi/arch/arm/arch_start.cpp
+3 -5
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@@ -122,13 +122,11 @@ arch_start_kernel(addr_t kernelEntry)
// Allocate a buffer twice as large as needed just in case it gets bigger // Allocate a buffer twice as large as needed just in case it gets bigger
// between calls to ExitBootServices. // between calls to ExitBootServices.
size_t actualMemoryMapSize = memoryMapSize * 2; size_t actualMemoryMapSize = memoryMapSize * 2;
efi_memory_descriptor *memoryMap
= (efi_memory_descriptor *)kernel_args_malloc(actualMemoryMapSize +
ALIGN_MEMORY_MAP);
// align memory_map to 4-byte boundary // align memory_map to 4-byte boundary
// otherwise we get alignment exception when calling GetMemoryMap below // otherwise we get alignment exception when calling GetMemoryMap below
memoryMap = (efi_memory_descriptor *)ROUNDUP((uint32_t)memoryMap, ALIGN_MEMORY_MAP); efi_memory_descriptor *memoryMap
= (efi_memory_descriptor *)kernel_args_malloc(actualMemoryMapSize,
ALIGN_MEMORY_MAP);
if (memoryMap == NULL) if (memoryMap == NULL)
panic("Unable to allocate memory map."); panic("Unable to allocate memory map.");