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[FREELDR] Hack AMD64 so it can boot in high mem (#8226)

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Hack ReactOS AMD64 so we can boot on systems with higher ram amounts tested up to 128gb

JIRA report: CORE-20265
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Justin Miller 2025-07-03 12:47:34 -07:00 • committed by GitHub
parent 24b0857a72
commit 83faff8706
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1 changed files with 3 additions and 1 deletions
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4
boot/freeldr/freeldr/include/mm.h
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@ -68,7 +68,9 @@ typedef struct _FREELDR_MEMORY_DESCRIPTOR
#define MM_PAGE_SIZE 4096
#define MM_PAGE_MASK 0xFFF
#define MM_PAGE_SHIFT 12
#define MM_MAX_PAGE 0xFFFFFFFFF /* 36 bits for the PFN */
//HACK: ReactOS AMD64 can't handle the full memory range yet CORE-20265
//#define MM_MAX_PAGE 0xFFFFFFFFF /* 36 bits for the PFN */
#define MM_MAX_PAGE 0x1FFFFF
#define MM_MAX_PAGE_LOADER 0x3FFFF /* on x64 freeldr only maps 1 GB */
#define MM_SIZE_TO_PAGES(a) \