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Move kernel to higher half.

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Return to having the bootloader re-map the kernel into the higher
half before jumping into the kernel entrypoint, so we don't have
to juggle pointers inside the kernel.
This commit is contained in:
Justin C. Miller
2018-04-19 01:34:30 -07:00
parent a27b8d6a3a
commit 3b560c063a
7 changed files with 134 additions and 9 deletions
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5
src/boot/memory.h
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@@ -9,6 +9,11 @@ struct memory_map {
EFI_MEMORY_DESCRIPTOR *entries;
};
EFI_STATUS memory_init_pointer_fixup(EFI_BOOT_SERVICES *bootsvc, EFI_RUNTIME_SERVICES *runsvc);
void memory_mark_pointer_fixup(void **p);
EFI_STATUS memory_get_map_length(EFI_BOOT_SERVICES *bootsvc, size_t *size);
EFI_STATUS memory_get_map(EFI_BOOT_SERVICES *bootsvc, struct memory_map *map);
EFI_STATUS memory_dump_map(struct memory_map *map);
void memory_virtualize(EFI_RUNTIME_SERVICES *runsvc, struct memory_map *map);