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6bcf3e134fa50131f00e8adba43b0e9aed64f647
Commit Graph

33 Commits

Author SHA1 Message Date
Rafal Kupiec
6bcf3e134f Unify naming convention and switch to ULONG in memory map related routines 2024-07-06 22:59:10 +02:00
Rafal Kupiec
bfe3d4b18a Fix pointer overflow 2024-06-10 16:01:19 +02:00
Rafal Kupiec
bd7d4f5a0d Fix function type mismatch undefined behavior when calling through a pointer 2024-06-09 22:26:01 +02:00
Rafal Kupiec
058649036f Take care about blink first, otherwise BlPhysicalListToVirtual() fails to properly map single-element linked list 2024-05-16 22:17:40 +02:00
Rafal Kupiec
c4d5b5bb25 Truncate memory descriptor to 4GB only with PML2 2024-04-29 23:59:17 +02:00
Rafal Kupiec
c6f3422c49 Update PTE related structures 2024-04-03 16:00:26 +02:00
Rafal Kupiec
1cdc1d3e54 Truncate EFI memory descriptor to 4GB and never map EFI reserved memory like PCI BAR 2024-03-26 23:04:54 +01:00
Rafal Kupiec
ce8c66f93a Always map first page 2024-03-24 22:52:18 +01:00
Rafal Kupiec
b3be36e23d Map BIOS ROM and VRAM 2024-03-24 15:53:36 +01:00
Rafal Kupiec
db0e1d40aa Allow boot protocols to supply own routine for converting EFI memory type into OS-specific memory type 2024-03-17 23:06:37 +01:00
Rafal Kupiec
0c691a40e3 Update memory mapping related structures 2024-01-29 19:31:20 +01:00
Rafal Kupiec
d27a4cde4b Implement BlGetVirtualAddress() and BlPhysicalListToVirtual() routines 2024-01-29 18:03:58 +01:00
Rafal Kupiec
8115ae07b6 Unify variable types across project; use common type for storing numer of pages 2024-01-29 16:17:51 +01:00
Rafal Kupiec
8e61e95cc2 Implement BlPhysicalAddressToVirtual() routine 2024-01-28 23:16:01 +01:00
Rafal Kupiec
170d1c71c9 Map EfiReservedMemoryType to LoaderSpecialMemory 2024-01-28 22:10:21 +01:00
Rafal Kupiec
b8acfe1b66 Implement BlGetMappingsCount() routine 2024-01-28 17:26:20 +01:00
Rafal Kupiec
670a812649 Store number of mappings when mapping virtual memory 2024-01-28 17:01:44 +01:00
Rafal Kupiec
8580557985 Check if new mapping is a subset of an already existing mapping 2024-01-22 15:09:03 +01:00
Rafal Kupiec
c24745d233 Allow to specify virtual address during EFI memory mapping only 2024-01-19 23:16:45 +01:00
Rafal Kupiec
9f5018abf0 Update BlInitializePageMap() description 2024-01-18 15:10:32 +01:00
Rafal Kupiec
02f0e34b83 Allow to provide page size during initialization 2024-01-18 14:30:58 +01:00
Rafal Kupiec
89c18bbce6 Initial paging support 2024-01-17 14:42:07 +01:00
Rafal Kupiec
8f40683270 Rename memory related routines to follow naming convention 2024-01-15 15:13:34 +01:00
Rafal Kupiec
4412d4fc98 Rewrite core of the XTLDR boot loader 
Reviewed-on: xt-sys/exectos#7
Reviewed-by: Piotr Likoski <likoski@noreply.codingworkshop.git>
Co-authored-by: Rafal Kupiec <belliash@codingworkshop.eu.org>
Co-committed-by: Rafal Kupiec <belliash@codingworkshop.eu.org>
 2024-01-09 18:51:04 +01:00
belliash
7496fa324e Map EfiLoaderData as some UEFI implementations might need this before kernel take over control 2023-01-11 23:26:54 +01:00
belliash
6d77ff42c5 Loop over halt; add missing calling convention 2022-12-27 20:12:59 +01:00
belliash
8f3a4aef60 Code formatting 2022-12-23 22:27:08 +01:00
belliash
cf828a6896 Fill in kernel initialization block 2022-12-21 20:04:20 +01:00
belliash
edee9a8ec6 Rework BlGetMemoryMap() routine to use EFI_MEMORY_MAP structure; map EfiBootServicesData instead of EfiReservedMemoryType 2022-12-20 18:59:36 +01:00
belliash
7bcdd8562d Several changes to EFI memory mapping 
* Move EFI memory type conversion to separate routine
 * Never map VRAM
 * Map only pages not exceeding the lowest physical page
 2022-12-19 22:50:03 +01:00
belliash
2b679c11d4 Fix a bug in BlAddVirtualMemoryMapping() routine causing PF (Page Fault) on systems with more than 3GB of RAM 2022-12-11 13:56:40 +01:00
belliash
3876414a48 Implement BlAddVirtualMemoryMapping() and BlInitializeVirtualMemory() routines 2022-12-06 17:49:00 +01:00
belliash
2f03f84a20 Move memory related routines to a separate file and implement BlGetMemoryMap() routine 2022-12-05 20:08:18 +01:00