Commit Graph

315 Commits

Author SHA1 Message Date
87d8300c6a Remove no longer needed EfiLoaderStack global variable 2023-01-15 18:54:31 +01:00
9a52be5ab9 Print a reason why module failed to load 2023-01-15 18:53:09 +01:00
0c3e18fd86 Once BlGetMemoryMap() is called, it cannot allocate or free memory, otherwise key gets invalidated 2023-01-15 18:50:12 +01:00
0461d975e0 Check ExitBootServices() status code 2023-01-15 16:52:02 +01:00
bff460a879 Print COM port address properly 2023-01-11 23:29:27 +01:00
7496fa324e Map EfiLoaderData as some UEFI implementations might need this before kernel take over control 2023-01-11 23:26:54 +01:00
42c3d4eff7 Fix NULL pointer 2023-01-11 23:16:44 +01:00
350df87bcc Do not start services as this only slows down boot process significantly 2023-01-10 22:55:40 +01:00
b22a76e3c4 Add XT native kernel subsystem to the PE/COFF image support 2023-01-06 16:16:26 +01:00
b7e5f1b5c1 Use CR constants instead of hardcoded values 2023-01-04 16:33:28 +01:00
f19afbddb7 Do not create new bootloader stack as it is not needed any longer and kernel will use its own stack 2023-01-03 23:04:11 +01:00
bb95223501 Implement BlActivateSerialControllerIO() routine for activating I/O space access on PCI(E) serial controllers 2023-01-03 00:10:24 +01:00
c91708034b Correct comments 2023-01-02 18:06:54 +01:00
c5a7d0fe05 Improvements in COM port support 2023-01-02 16:14:00 +01:00
b6b25ed04d Initialize serial port only debugging enabled 2023-01-01 19:20:34 +01:00
94e9fa1293 Allow to provide custom COM port address 2022-12-29 23:44:52 +01:00
7f21e4f19c Dump EFI memory mappings 2022-12-29 17:09:44 +01:00
6a27ea140b Print xtldr debug messages only when debugging enabled 2022-12-28 23:30:03 +01:00
dec021b1ec Reorganize early debug printing; initialize kernel stacks when needed 2022-12-28 23:11:35 +01:00
9dc0e60f28 We support EFI-enabled systems only and such machines should support PAE, so there is no need for XTLDR to support non-PAE x86 hardware 2022-12-28 15:57:03 +01:00
5c5f0a6df9 Add missing routine documentation 2022-12-27 22:13:48 +01:00
6d77ff42c5 Loop over halt; add missing calling convention 2022-12-27 20:12:59 +01:00
5b75d005a7 Implement HlClearInterruptFlag() and HlSetInterruptFlag() intrinsic routines 2022-12-27 18:54:01 +01:00
8f3a4aef60 Code formatting 2022-12-23 22:27:08 +01:00
db1b47e50e Initialize CpuRegisters variable to silence a warning 2022-12-23 14:43:36 +01:00
3ab1695968 Common routines for reading from and writing to CPU control registers 2022-12-23 14:30:52 +01:00
7496c7203d Add missing routines documentation 2022-12-22 23:29:16 +01:00
4d68b93ed3 Small code formatting and refactoring 2022-12-22 23:19:23 +01:00
8b02fb6c3f Mostly update comments in PE/COFF module 2022-12-21 23:02:37 +01:00
d158525659 Add missing documentation for BlCreateStack() routine 2022-12-21 22:34:59 +01:00
6c4496f839 KERNEL_STACK_SIZE should be expressed in bytes as the name suggests, calculate number of pages where needed 2022-12-21 22:24:16 +01:00
dc2570ca8e Serial port should be working all the time, so announce that now booting the kernel 2022-12-21 20:52:53 +01:00
cf828a6896 Fill in kernel initialization block 2022-12-21 20:04:20 +01:00
51886a05dd Get rid of boot services code after exiting boot services 2022-12-20 23:06:32 +01:00
7c38efc802 Update boot sequence and check PE/COFF image machine type compatibility 2022-12-20 19:11:15 +01:00
edee9a8ec6 Rework BlGetMemoryMap() routine to use EFI_MEMORY_MAP structure; map EfiBootServicesData instead of EfiReservedMemoryType 2022-12-20 18:59:36 +01:00
eb5998c58e Add a way to check PE/COFF image machine type 2022-12-20 15:37:13 +01:00
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
6871291c9a Basic steps in XTOS boot protocol 2022-12-14 22:17:17 +01:00
8b9c6780d5 Code formatting 2022-12-13 22:37:47 +01:00
9f4db475bb Implement HlHalt() intrinsic routine and add basic definitions for kernel services 2022-12-11 23:09:35 +01:00
0572b208f1 Add full paging support for AMD64 and i686 architectures, including PAE support 2022-12-11 20:14:04 +01:00
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
8beb7c13ec Implement BlCreateStack() for i686 architecture 2022-12-07 23:01:59 +01:00
42c762ddf8 Add missing stub for i686 builds 2022-12-07 22:07:41 +01:00
900e86c9da Create new stack and then boot XTOS, export more routines with the loader protocol 2022-12-07 20:34:16 +01:00
d50fb7c37d Implement BlCreateStack() 2022-12-07 19:46:36 +01:00
43c16d054d Use PVOID instead of HARDWARE_PTE to allow different variable types for different architectures 2022-12-07 18:54:21 +01:00
93fa2aed67 Implement BlMapVirtualMemory() routine for recursive mapping 2022-12-06 23:32:31 +01:00
3876414a48 Implement BlAddVirtualMemoryMapping() and BlInitializeVirtualMemory() routines 2022-12-06 17:49:00 +01:00