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linux: Ensure that the framebuffer memory map tag does not reach the kernel

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This commit is contained in:
mintsuki 2021-04-10 06:09:15 +02:00
parent f7ab1890c2
commit 3be9003992
1 changed files with 16 additions and 7 deletions
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23
stage23/protos/linux.c
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@ -540,14 +540,21 @@ void linux_load(char *config, char *cmdline) {
boot_params->e820_entries = memmap_entries + 1;
e820_table[0].addr = bump_allocator_base;
e820_table[0].size = bump_allocator_limit - bump_allocator_base;
e820_table[0].type = MEMMAP_USABLE;
size_t i = 0;
for (size_t i = 1; i < memmap_entries + 1; i++) {
e820_table[i].addr = memmap[i-1].base;
e820_table[i].size = memmap[i-1].length;
e820_table[i].type = memmap[i-1].type;
e820_table[i].addr = bump_allocator_base;
e820_table[i].size = bump_allocator_limit - bump_allocator_base;
e820_table[i].type = MEMMAP_USABLE;
i++;
for (size_t j = 0; j < memmap_entries; j++) {
if (memmap[j].type == MEMMAP_FRAMEBUFFER)
continue;
e820_table[i].addr = memmap[j].base;
e820_table[i].size = memmap[j].length;
e820_table[i].type = memmap[j].type;
switch (e820_table[i].type) {
case MEMMAP_BOOTLOADER_RECLAIMABLE:
@ -555,6 +562,8 @@ void linux_load(char *config, char *cmdline) {
e820_table[i].type = MEMMAP_USABLE;
break;
}
i++;
}
///////////////////////////////////////