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| author | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2020-04-05 23:18:39 +0200 |
|---|---|---|
| committer | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2020-04-05 23:18:39 +0200 |
| commit | 1e901a41a81bdbd00961959da1939dc6e42994aa (patch) | |
| tree | 8c6f0c7b4f53f79b4bc82b3f8fdffaf5d05133fc | |
| parent | ad71f1f742661863e0de59a94746f5d01e80b346 (diff) | |
xen: Fix vm_page layout for x86_64
* i386/i386/vm_param.h [MACH_XEN && __LP64__]
(VM_PAGE_MAX_SEGS): Set to 4.
(VM_PAGE_DMA32_LIMIT): Define.
(VM_PAGE_DIRECTMAP_LIMIT): Set to 0x400000000000.
(VM_PAGE_HIGHMEM_LIMIT): Set to 0x10000000000000.
| -rw-r--r-- | i386/i386/vm_param.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/i386/i386/vm_param.h b/i386/i386/vm_param.h index 1ca6b22c..edd9522c 100644 --- a/i386/i386/vm_param.h +++ b/i386/i386/vm_param.h @@ -122,11 +122,18 @@ #ifdef MACH_XEN /* TODO Completely check Xen physical/virtual layout */ +#ifdef __LP64__ +#define VM_PAGE_MAX_SEGS 4 +#define VM_PAGE_DMA32_LIMIT DECL_CONST(0x100000000, UL) +#define VM_PAGE_DIRECTMAP_LIMIT DECL_CONST(0x400000000000, UL) +#define VM_PAGE_HIGHMEM_LIMIT DECL_CONST(0x10000000000000, ULL) +#else #define VM_PAGE_MAX_SEGS 3 #define VM_PAGE_DIRECTMAP_LIMIT (VM_MAX_KERNEL_ADDRESS \ - VM_MIN_KERNEL_ADDRESS \ - VM_KERNEL_MAP_SIZE) #define VM_PAGE_HIGHMEM_LIMIT DECL_CONST(0x10000000000000, ULL) +#endif #else /* MACH_XEN */ #ifdef __LP64__ #define VM_PAGE_MAX_SEGS 4 |