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kern: add toggleable support for 40-bit physaddr caps

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This commit is contained in:
Michael Scire
2021-10-22 09:33:53 -07:00
parent ff1760fac1
commit d562bb841d
3 changed files with 28 additions and 5 deletions
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11
libraries/libmesosphere/include/mesosphere/kern_build_config.hpp
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@@ -38,4 +38,13 @@
/* at the cost of storing class tokens inside the class object. */
/* However, as of (10/16/2021) KAutoObject has an unused class member */
/* of the right side, and so this does not actually cost any space. */
#define MESOSPHERE_ENABLE_DEVIRTUALIZED_DYNAMIC_CAST
#define MESOSPHERE_ENABLE_DEVIRTUALIZED_DYNAMIC_CAST
/* NOTE: This uses currently-reserved bits inside the MapRange capability */
/* in order to support large physical addresses (40-bit instead of 36). */
/* This is toggleable in order to disable it if N ever uses those bits. */
#if defined(ATMOSPHERE_BOARD_NINTENDO_NX)
//#define MESOSPHERE_ENABLE_LARGE_PHYSICAL_ADDRESS_CAPABILITIES
#else
#define MESOSPHERE_ENABLE_LARGE_PHYSICAL_ADDRESS_CAPABILITIES
#endif