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bootloader: Actually ignore memory from ranges partially beyond 4GB.

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It was added to ignored_physical_memory but not actually trimmed.
This commit is contained in:
Augustin Cavalier
2024-10-18 17:53:14 -04:00
parent a0e3665350
commit 6e8900976d
1 changed files with 2 additions and 1 deletions
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src/system/boot/loader/kernel_args.cpp
+2 -1
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@@ -368,13 +368,14 @@ ignore_physical_memory_ranges_beyond_4gb()
continue; continue;
} }
if (kLimit - range.start < range.size) { if ((range.start + range.size) >= kLimit) {
// the range is partially beyond the limit // the range is partially beyond the limit
dprintf("ignore_physical_memory_ranges_beyond_4gb(): ignoring " dprintf("ignore_physical_memory_ranges_beyond_4gb(): ignoring "
"range: %#" B_PRIx64 " - %#" B_PRIx64 "\n", kLimit, "range: %#" B_PRIx64 " - %#" B_PRIx64 "\n", kLimit,
range.start + range.size); range.start + range.size);
gKernelArgs.ignored_physical_memory gKernelArgs.ignored_physical_memory
+= range.size - (kLimit - range.start); += range.size - (kLimit - range.start);
range.size = kLimit - range.start;
} }
break; break;