mirror of
https://github.com/SDL-Hercules-390/hyperion.git
synced 2026-07-26 02:29:51 +02:00
Fish (David B. Trout)
136 lines
7.5 KiB
C
136 lines
7.5 KiB
C
/* SKEY.C (C) Copyright "Fish" (David B. Trout), 2021 */
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/* Storage Key Functions */
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/* */
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/* Released under "The Q Public License Version 1" */
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/* (http://www.hercules-390.org/herclic.html) as modifications to */
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/* Hercules. */
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#include "hstdinc.h"
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#define _SKEY_C_
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#define _HENGINE_DLL_
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#include "hercules.h"
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#include "opcode.h"
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#include "inline.h"
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/*-------------------------------------------------------------------*/
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/* ARCH_DEP section: compiled multiple times, once for each arch. */
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/*-------------------------------------------------------------------*/
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//-------------------------------------------------------------------
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// ARCH_DEP() code
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//-------------------------------------------------------------------
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// ARCH_DEP (build-architecture / FEATURE-dependent) functions here.
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// All BUILD architecture dependent (ARCH_DEP) function are compiled
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// multiple times (once for each defined build architecture) and each
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// time they are compiled with a different set of FEATURE_XXX defines
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// appropriate for that architecture. Use #ifdef FEATURE_XXX guards
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// to check whether the current BUILD architecture has that given
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// feature #defined for it or not. WARNING: Do NOT use _FEATURE_XXX.
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// The underscore feature #defines mean something else entirely. Only
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// test for FEATURE_XXX. (WITHOUT the underscore)
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//-------------------------------------------------------------------
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/*-------------------------------------------------------------------*/
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/* Primary ARCH_DEP Storage Key Functions */
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/*-------------------------------------------------------------------*/
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extern inline BYTE ARCH_DEP( get_storage_key )( U64 abs );
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extern inline void ARCH_DEP( put_storage_key )( U64 abs, BYTE key );
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extern inline void ARCH_DEP( and_storage_key )( U64 abs, BYTE bits );
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extern inline void ARCH_DEP( or_storage_key )( U64 abs, BYTE bits );
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extern inline void ARCH_DEP( or_dev_storage_key )( DEVBLK* dev, U64 abs, BYTE bits );
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extern inline BYTE ARCH_DEP( get_dev_storage_key )( DEVBLK* dev, U64 abs );
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extern inline BYTE* ARCH_DEP( get_ptr_to_storekey )( U64 abs );
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extern inline BYTE ARCH_DEP( get_storekey_by_ptr )( BYTE* skey_ptr );
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INL_DLL_EXPORT // (function needed by dyncrypt via vstore.h)
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inline void ARCH_DEP( or_storage_key_by_ptr )( BYTE* skey_ptr, BYTE bits );
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/*-------------------------------------------------------------------*/
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/* Page-size-specific functions used by SSK/SSKE et al. */
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/*-------------------------------------------------------------------*/
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#if defined( FEATURE_BASIC_STORAGE_KEYS )
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extern inline BYTE* ARCH_DEP( get_ptr_to_2K_storekey )( U64 abs );
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extern inline BYTE ARCH_DEP( get_2K_storage_key )( U64 abs );
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extern inline void ARCH_DEP( put_2K_storage_key )( U64 abs, BYTE key );
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extern inline void ARCH_DEP( and_2K_storage_key )( U64 abs, BYTE bits );
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extern inline void ARCH_DEP( or_2K_storage_key )( U64 abs, BYTE bits );
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INL_DLL_EXPORT // (function needed by qeth and zfcp)
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inline BYTE ARCH_DEP( get_dev_2K_storage_key )( DEVBLK* dev, U64 abs );
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INL_DLL_EXPORT // (function needed by qeth and zfcp)
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inline void ARCH_DEP( or_dev_2K_storage_key )( DEVBLK* dev, U64 abs, BYTE bits );
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#endif
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#if defined( FEATURE_EXTENDED_STORAGE_KEYS )
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extern inline BYTE* ARCH_DEP( get_ptr_to_4K_storekey )( U64 abs );
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extern inline BYTE ARCH_DEP( get_4K_storage_key )( U64 abs );
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extern inline void ARCH_DEP( put_4K_storage_key )( U64 abs, BYTE key );
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extern inline void ARCH_DEP( and_4K_storage_key )( U64 abs, BYTE bits );
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extern inline void ARCH_DEP( or_4K_storage_key )( U64 abs, BYTE bits );
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INL_DLL_EXPORT // (function needed by qeth and zfcp)
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inline BYTE ARCH_DEP( get_dev_4K_storage_key )( DEVBLK* dev, U64 abs );
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INL_DLL_EXPORT // (function needed by qeth and zfcp)
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inline void ARCH_DEP( or_dev_4K_storage_key )( DEVBLK* dev, U64 abs, BYTE bits );
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#endif
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/*-------------------------------------------------------------------*/
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/* ARCH_DEP Storage Key helper functions sometimes called directly */
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/*-------------------------------------------------------------------*/
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extern inline BYTE ARCH_DEP( _get_storage_key )( U64 abs, BYTE K );
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extern inline void ARCH_DEP( _put_storage_key )( U64 abs, BYTE key, BYTE K );
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extern inline void ARCH_DEP( _or_storage_key )( U64 abs, BYTE bits, BYTE K );
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extern inline void ARCH_DEP( _and_storage_key )( U64 abs, BYTE bits, BYTE K );
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extern inline void ARCH_DEP( _or_dev_storage_key )( DEVBLK* dev, U64 abs, BYTE bits, BYTE K );
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extern inline BYTE ARCH_DEP( _get_dev_storage_key )( DEVBLK* dev, U64 abs, BYTE K );
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/*-------------------------------------------------------------------*/
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/* (delineates ARCH_DEP from non-arch_dep) */
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/*-------------------------------------------------------------------*/
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#if !defined( _GEN_ARCH )
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#if defined( _ARCH_NUM_1 )
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#define _GEN_ARCH _ARCH_NUM_1
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#include "skey.c"
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#endif
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#if defined( _ARCH_NUM_2 )
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#undef _GEN_ARCH
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#define _GEN_ARCH _ARCH_NUM_2
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#include "skey.c"
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#endif
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/*-------------------------------------------------------------------*/
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/* (delineates ARCH_DEP from non-arch_dep) */
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/*-------------------------------------------------------------------*/
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/*-------------------------------------------------------------------*/
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/* non-ARCH_DEP section: compiled only ONCE after last arch built */
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/*-------------------------------------------------------------------*/
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/* Note: the last architecture has been built so the normal non- */
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/* underscore FEATURE values are now #defined according to the */
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/* LAST built architecture just built (usually zarch = 900). This */
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/* means from this point onward (to the end of file) you should */
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/* ONLY be testing the underscore _FEATURE values to see if the */
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/* given feature was defined for *ANY* of the build architectures. */
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/*-------------------------------------------------------------------*/
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/*-------------------------------------------------------------------*/
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/* Conditional SSKE helper */
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/*-------------------------------------------------------------------*/
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#if defined( _FEATURE_010_CONDITIONAL_SSKE_FACILITY )
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extern inline bool bypass_skey_update( REGS* regs, BYTE m3, BYTE oldkey, BYTE r1key );
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#endif
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extern inline BYTE* _get_storekey_ptr( U64 abs, BYTE K );
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extern inline BYTE* _get_dev_storekey_ptr( DEVBLK* dev, U64 abs, BYTE K );
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extern inline BYTE* _get_storekey1_ptr( U64 abs );
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extern inline BYTE* _get_storekey2_ptr( U64 abs );
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extern inline BYTE* _get_dev_storekey1_ptr( DEVBLK* dev, U64 abs );
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extern inline BYTE* _get_dev_storekey2_ptr( DEVBLK* dev, U64 abs );
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#endif /*!defined( _GEN_ARCH )*/
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