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stivale_build_pagemap: use 1GiB pages to map 0 to 2GiB at 0xffffffff80000000

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Signed-off-by: Andy-Python-Programmer <andypythonappdeveloper@gmail.com>
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Andy-Python-Programmer 2022-01-27 11:04:59 +11:00
parent 8866470d01
commit 45ecb0fb4d
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1 changed files with 2 additions and 2 deletions
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stage23/protos/stivale.c
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@ -385,8 +385,8 @@ pagemap_t stivale_build_pagemap(bool level5pg, bool unmap_null, struct elf_range
if (ranges_count == 0) {
// Map 0 to 2GiB at 0xffffffff80000000
for (uint64_t i = 0; i < 0x80000000; i += 0x200000) {
map_page(pagemap, 0xffffffff80000000 + i, i, 0x03, Size2MiB);
for (uint64_t i = 0; i < 0x80000000; i += 0x40000000) {
map_page(pagemap, 0xffffffff80000000 + i, i, 0x03, Size1GiB);
}
} else {
for (size_t i = 0; i < ranges_count; i++) {