justin/jsix
1
1
Fork 0
mirror of https://github.com/justinian/jsix.git synced 2025-12-10 00:14:32 -08:00
Code Issues Packages Projects Releases Wiki Activity

Virtualizing memory after exiting boot services

Browse Source
This commit is contained in:
Justin C. Miller
2018-03-22 19:16:44 -07:00
parent b5c579fe0d
commit cdef82f06f
6 changed files with 86 additions and 35 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
src/boot/loader.c
View File

@@ -52,8 +52,8 @@ EFI_STATUS loader_load_kernel(void **kernel_image, uint64_t *length) {
CHECK_EFI_STATUS_OR_RETURN(status, "Freeing kernel file info memory");
UINTN page_count = ((buffer_size - 1) / 0x1000) + 1;
EFI_PHYSICAL_ADDRESS addr = 0x100000; // Try to load the kernel in at 1MiB
EFI_MEMORY_TYPE mem_type = 0xFFFFFFFF; // Special value to tell the kernel it's here
EFI_PHYSICAL_ADDRESS addr = KERNEL_PHYS_ADDRESS; // Try to load the kernel in at 1MiB
EFI_MEMORY_TYPE mem_type = KERNEL_MEMTYPE; // Special value to tell the kernel it's here
status = ST->BootServices->AllocatePages(AllocateAddress, mem_type, page_count, &addr);
if (status == EFI_NOT_FOUND) {
// couldn't get the address we wanted, try loading the kernel anywhere