gonzui

    1: /*
    2:  *----------------------------------------------------------------------
    3:  *    T-Kernel 2.0 Software Package
    4:  *
    5:  *    Copyright 2011 by Ken Sakamura.
    6:  *    This software is distributed under the latest version of T-License 2.x.
    7:  *----------------------------------------------------------------------
    8:  *
    9:  *    Released by T-Engine Forum(http://www.t-engine.org/) at 2011/05/17.
   10:  *    Modified by TRON Forum(http://www.tron.org/) at 2015/06/01.
   11:  *
   12:  *----------------------------------------------------------------------
   13:  */
   14: 
   15: /*
   16:  *      cpudep.h
   17:  *
   18:  *       CPU-dependent definitions(ARM)
   19:  */
   20: 
   21: #include <tk/sysdef.h>
   22: 
   23: #ifndef _in_asm_source_
   24: 
   25: IMPORT W        bootFlag;      /* boot flag */
   26: 
   27: /*
   28:  * Memory access through physical address
   29:  *       In the case of ARM, actually it is an access by logical address.
   30:  */
   31: Inline UW rd_w( UW *pa )
   32: {
   33:         return *pa;
   34: }
   35: Inline UH rd_h( UH *pa )
   36: {
   37:         return *pa;
   38: }
   39: Inline UB rd_b( UB *pa )
   40: {
   41:         return *pa;
   42: }
   43: 
   44: Inline void wr_w( UW *pa, UW data )
   45: {
   46:         *pa = data;
   47: }
   48: Inline void wr_h( UH *pa, UH data )
   49: {
   50:         *pa = data;
   51: }
   52: Inline void wr_b( UB *pa, UB data )
   53: {
   54:         *pa = data;
   55: }
   56: 
   57: /*
   58:  * read/write the ARM-specific registered under monitor management
   59:  *      read/set the value of registers at the time of monitor entry.
   60:  */
   61: IMPORT UW   getCP15( W reg, W opcd );   /* CP15 register reg: CRn, opcd: Op2 */
   62: IMPORT UW   getCurPCX( void );          /* PC register (unmodified) */
   63: IMPORT void setCurPCX( UW val );        /* PC register (unmodified) */
   64: IMPORT UW   getCurCPSR( void );         /* CPSR register */
   65: IMPORT UW   getCurSPSR( void );         /* SPSR register */
   66: 
   67: /*
   68:  * Validate PC address
   69:  *       Allow only ARM instructions (on 4 bytes boundary).
   70:  *      If addr is valid then return 0, otherwise return -1.
   71:  */
   72: IMPORT W invalidPC2( UW addr );
   73: 
   74: /*
   75:  * obtain step address
   76:  */
   77: IMPORT W getStepAddr( UW pc, UW cpsr, W mode, UW* npc, UW *rep );
   78: 
   79: #endif  /* _in_asm_source_ */