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Kernel/riscv64: Return correct range in kernel_virtual_range on RISC-V

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riscv64 doesn't use a prekernel, so use the same code as aarch64 for
determining the kernel virtual address range.
This commit is contained in:
Sönke Holz 2023-11-29 15:05:14 +01:00 • committed by Andrew Kaster
parent 0379742d7e
commit 28a3089dc3
1 changed files with 6 additions and 4 deletions
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10
Kernel/Memory/MemoryManager.cpp
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@ -69,12 +69,14 @@ bool MemoryManager::is_initialized()
static UNMAP_AFTER_INIT VirtualRange kernel_virtual_range()
{
#if ARCH(AARCH64)
// NOTE: This is not the same as x86_64, because the aarch64 kernel currently doesn't use the pre-kernel.
return VirtualRange { VirtualAddress(kernel_mapping_base), KERNEL_PD_END - kernel_mapping_base };
#else
#if ARCH(X86_64)
size_t kernel_range_start = kernel_mapping_base + 2 * MiB; // The first 2 MiB are used for mapping the pre-kernel
return VirtualRange { VirtualAddress(kernel_range_start), KERNEL_PD_END - kernel_range_start };
#elif ARCH(AARCH64) || ARCH(RISCV64)
// NOTE: This is not the same as x86_64, because the aarch64 and riscv64 kernels currently don't use the pre-kernel.
return VirtualRange { VirtualAddress(kernel_mapping_base), KERNEL_PD_END - kernel_mapping_base };
#else
# error Unknown architecture
#endif
}