Commit graph

8 commits

Author SHA1 Message Date
Timo Kreuzer 65dbfc2868
[NTOS:Mm] Rewrite MiWriteProtectSystemImage (#749)
* The previous version was overcomplicated and broken and therefore disabled.
* The new version also enforces NX protection on x64.
* Now that protecting works, also protect the boot loaded images.
2019-01-18 22:11:43 +01:00
Timo Kreuzer 71fefa32db
[NDK][NTOS] Add global definition of INIT_FUNCTION/INIT_SECTION (#779)
* Add an NDK header to define INIT_FUNCTION/INIT_SECTION globally
* Use _declspec(allocate(x)) and _declspec(code_seg(x)) on MSVC versions that support it
* Use INIT_FUNCTION on functions only and INIT_SECTION on data only (required by MSVC)
* Place INIT_FUNCTION before the return type (required by MSVC)
* Make sure declarations and implementations share the same modifiers (required by MSVC)
* Add a global linker option to suppress warnings about defined but unused INIT section
* Merge INIT section into .text in freeldr
2018-12-30 12:19:11 +01:00
Pierre Schweitzer d56a249089
[NTOSKRNL] Define the Mm global variables related to Cc on Mm init.
This means that MmSystemCacheStart, MmSystemCacheEnd, MmSizeOfSystemCacheInPages
have now a valid value.
System cache is not used atm the moment though. MmMapViewInSystemCache() is to
be implemented, and Cc is to be made aware of this.

CORE-14259
2018-02-06 13:41:23 +01:00
Timo Kreuzer a00378a1a1 [NTOS:MM] Add support for NX page-faults 2018-01-06 18:20:24 +01:00
Timo Kreuzer 4d043aa05e [NTOS:MM] Make use of FaultCode and MI_IS_NOT_PRESENT_FAULT and MI_IS_WRITE_ACCESS macros in MmArmAccessFault. 2018-01-06 18:20:24 +01:00
Timo Kreuzer 3021c2d571 [NTOS:MM] Pass page fault code to MmAccessFault
Note: before we had a BOOLEAN parameter called StoreInstruction, but in reality it was not specifying whether the fault was from a store store instruction, but whether it was an access violation rather than a page-not-present fault. On x86 without PAE there are only 2 kinds of access violations: (1) Access of a kernel mode page from user mode, which is handled early and (2) access of a read-only (or COW) page with a writing instruction. Therefore we could get away with this, even though it relied on the wrong assumption that a fault, which was not a page-not-present-fault, was automatically a write access. This commit only changes one thing: we pass the full fault-code to MmAccessFault and handle the rest from there in exactly the same way as before. More changes are coming to make things clear.
2018-01-06 18:20:24 +01:00
Timo Kreuzer 18cd763160 [NTOS:MM] Make debug code in MmArmInitSystem portable 2017-12-20 06:56:09 +01:00
Colin Finck c2c66aff7d Git conversion: Make reactos the root directory, move rosapps, rostests, wallpapers into modules, and delete rossubsys. 2017-10-03 07:45:34 +00:00