5f941893ef
This change refactors MTRR handling by consolidating helper functions from `earlymtrr.c` and `mtrr.c` into a new MTRR library (`mtrrlib`). This approach improves code modularity and reusability, making these utilities consistently available across different coreboot boot phases. The following functions are now part of `mtrrlib`: - `get_free_var_mtrr`: Retrieves the index of the first available variable MTRR. - `set_var_mtrr`: Configures the variable MTRR, specified by an `index`, for a memory region defined by `base`, `size`, and `type`. - `clear_var_mtrr`: Disables the variable MTRR at a given index. - `acquire_and_configure_mtrr`: Acquires a free variable MTRR, configures it with the given `base`, `size`, and `type`. BUG=b:409718202 TEST=Built and booted google/fatcat successfully. Change-Id: Iba332b7088221fd930e973fad9410833bff184b9 Signed-off-by: Subrata Banik <subratabanik@google.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/87539 Reviewed-by: Jérémy Compostella <jeremy.compostella@intel.com> Reviewed-by: Shuo Liu <shuo.liu@intel.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Nick Vaccaro <nvaccaro@google.com> |
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| Kconfig | ||
| Makefile.mk | ||