454 lines
17 KiB
C
454 lines
17 KiB
C
/*
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* Creation Date: <2002/06/16 01:40:57 samuel>
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* Time-stamp: <2003/12/26 17:02:09 samuel>
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*
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* <osi_calls.h>
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*
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* OSI call inlines
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*
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* Copyright (C) 2002, 2003 Samuel Rydh (samuel@ibrium.se)
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation
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*
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*/
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#ifndef _H_OSI_CALLS
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#define _H_OSI_CALLS
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#include "osi.h"
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/* Old gcc versions have a limit on the number of registers used.
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* Newer gcc versions (gcc 3.3) require that the clobber list does
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* not overlap declared registers.
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*/
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#if __GNUC__ == 2 || ( __GNUC__ == 3 && __GNUC_MINOR__ < 3 )
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#define SHORT_REGLIST
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#endif
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/************************************************************************/
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/* OSI call instantiation macros */
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/************************************************************************/
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#define dreg(n) __oc_##n __asm__ (#n)
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#define ir(n) "r" (__oc_##n)
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#define rr(n) "=r" (__oc_##n)
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#define _oc_head( input_regs... ) \
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{ \
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int _ret=0; \
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{ \
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register unsigned long dreg(r3); \
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register unsigned long dreg(r4); \
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register unsigned long dreg(r5) \
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,##input_regs ;
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#define _oc_syscall( number, extra_ret_regs... ) \
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__oc_r3 = OSI_SC_MAGIC_R3; \
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__oc_r4 = OSI_SC_MAGIC_R4; \
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__oc_r5 = number; \
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__asm__ __volatile__ ( \
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"sc " : rr(r3) ,## extra_ret_regs
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#define _oc_input( regs... ) \
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: ir(r3), ir(r4), ir(r5) \
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, ## regs \
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: "memory" );
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/* the tail memory clobber is necessary since we violate the strict
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* aliasing rules when we return structs through the registers.
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*/
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#define _oc_tail \
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asm volatile ( "" : : : "memory" ); \
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_ret = __oc_r3; \
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} \
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return _ret; \
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}
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/************************************************************************/
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/* Alternatives */
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/************************************************************************/
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#ifdef SHORT_REGLIST
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#define _oc_syscall_r10w6( number, inputregs... ) \
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__oc_r3 = OSI_SC_MAGIC_R3; \
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__oc_r4 = OSI_SC_MAGIC_R4; \
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__oc_r5 = number; \
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__asm__ __volatile__ ( \
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"sc \n" \
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"stw 4,0(10) \n" \
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"stw 5,4(10) \n" \
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"stw 6,8(10) \n" \
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"stw 7,12(10) \n" \
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"stw 8,16(10) \n" \
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"stw 9,20(10) \n" \
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: rr(r3) \
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: ir(r3), ir(r4), ir(r5), ir(r10) \
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,## inputregs \
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: "memory", \
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"r4", "r5", "r6", "r7", "r8", "r9" );
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#endif
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/************************************************************************/
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/* Common helper functions */
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/************************************************************************/
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#define _osi_call0( type, name, number ) \
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type name( void ) \
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_oc_head() \
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_oc_syscall( number ) \
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_oc_input() \
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_oc_tail
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#define _osi_call1( type, name, number, type1, arg1 ) \
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type name( type1 arg1 ) \
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_oc_head( dreg(r6) ) \
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__oc_r6 = (unsigned long)arg1; \
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_oc_syscall( number ) \
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_oc_input( ir(r6) ) \
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_oc_tail
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#define _osi_call2( type, name, number, t1, a1, t2, a2 ) \
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type name( t1 a1, t2 a2 ) \
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_oc_head( dreg(r6), dreg(r7) ) \
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__oc_r6 = (unsigned long)a1; \
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__oc_r7 = (unsigned long)a2; \
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_oc_syscall( number ) \
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_oc_input( ir(r6), ir(r7) ) \
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_oc_tail
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#define _osi_call3( type, name, number, t1, a1, t2, a2, t3, a3 ) \
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type name( t1 a1, t2 a2, t3 a3 ) \
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_oc_head( dreg(r6), dreg(r7), dreg(r8) ) \
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__oc_r6 = (unsigned long)a1; \
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__oc_r7 = (unsigned long)a2; \
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__oc_r8 = (unsigned long)a3; \
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_oc_syscall( number ) \
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_oc_input( ir(r6), ir(r7), ir(r8) ) \
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_oc_tail
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#define _osi_call4( type, name, number, t1, a1, t2, a2, t3, a3, t4, a4 ) \
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type name( t1 a1, t2 a2, t3 a3, t4 a4 ) \
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_oc_head( dreg(r6), dreg(r7), dreg(r8), dreg(r9) ) \
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__oc_r6 = (unsigned long)a1; \
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__oc_r7 = (unsigned long)a2; \
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__oc_r8 = (unsigned long)a3; \
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__oc_r9 = (unsigned long)a4; \
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_oc_syscall( number ) \
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_oc_input( ir(r6), ir(r7), ir(r8), ir(r9) ) \
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_oc_tail
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#define _osi_call5( type, name, number, t1, a1, t2, a2, t3, a3, t4, a4, t5, a5 ) \
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type name( t1 a1, t2 a2, t3 a3, t4 a4, t5 a5 ) \
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_oc_head( dreg(r6), dreg(r7), dreg(r8), dreg(r9), dreg(r10) ) \
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__oc_r6 = (unsigned long)a1; \
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__oc_r7 = (unsigned long)a2; \
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__oc_r8 = (unsigned long)a3; \
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__oc_r9 = (unsigned long)a4; \
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__oc_r10 = (unsigned long)a5; \
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_oc_syscall( number ) \
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_oc_input( ir(r6), ir(r7), ir(r8), ir(r9), ir(r10) ) \
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_oc_tail
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#define _osi_call6( type, name, number, t1, a1, t2, a2, t3, a3, t4, a4, t5, a5, t6, a6 ) \
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type name( t1 a1, t2 a2, t3 a3, t4 a4, t5 a5, t6 a6 ) \
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_oc_head( dreg(r6), dreg(r7), dreg(r8), dreg(r9), dreg(r10), dreg(r11) )\
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__oc_r6 = (unsigned long)a1; \
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__oc_r7 = (unsigned long)a2; \
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__oc_r8 = (unsigned long)a3; \
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__oc_r9 = (unsigned long)a4; \
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__oc_r10 = (unsigned long)a5; \
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__oc_r11 = (unsigned long)a6; \
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_oc_syscall( number ) \
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_oc_input( ir(r6), ir(r7), ir(r8), ir(r9), ir(r10), ir(r11) ) \
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_oc_tail
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/************************************************************************/
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/* Special */
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/************************************************************************/
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/* r4 returned in retarg1 pointer */
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#define _osi_call0_w1( type, name, number, type1, retarg1 ) \
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type name( type1 retarg1 ) \
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_oc_head() \
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_oc_syscall( number, rr(r4) ) \
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_oc_input() \
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*retarg1 = __oc_r4; \
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_oc_tail
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#define _osi_call0_w2( type, name, number, type1, retarg1 ) \
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type name( type1 retarg1 ) \
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_oc_head() \
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_oc_syscall( number, rr(r4), rr(r5) ) \
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_oc_input() \
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((unsigned long*)retarg1)[0] = __oc_r4; \
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((unsigned long*)retarg1)[1] = __oc_r5; \
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_oc_tail
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/* r4-r8 returned in retarg1 pointer */
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#define _osi_call0_w5( type, name, number, type1, retarg1 ) \
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type name( type1 retarg1 ) \
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_oc_head( dreg(r6), dreg(r7), dreg(r8) ) \
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_oc_syscall( number, \
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rr(r4), rr(r5), rr(r6), rr(r7), rr(r8) ) \
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_oc_input() \
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((unsigned long*)retarg1)[0] = __oc_r4; \
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((unsigned long*)retarg1)[1] = __oc_r5; \
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((unsigned long*)retarg1)[2] = __oc_r6; \
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((unsigned long*)retarg1)[3] = __oc_r7; \
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((unsigned long*)retarg1)[4] = __oc_r8; \
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_oc_tail
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/* r4 returned in retarg pointer */
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#define _osi_call1_w1( type, name, number, t1, a1, t2, retarg ) \
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type name( t1 a1, t2 retarg ) \
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_oc_head( dreg(r6) ) \
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__oc_r6 = (unsigned long)a1; \
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_oc_syscall( number, rr(r4) ) \
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_oc_input( ir(r6) ) \
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((unsigned long*)retarg)[0] = __oc_r4; \
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_oc_tail
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/* r4,r5 returned in retarg1, retarg2 */
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#define _osi_call1_w1w1( type, name, number, t1, a1, t2, retarg1, t3, retarg2 ) \
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type name( t1 a1, t2 retarg1, t3 retarg2 ) \
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_oc_head( dreg(r6) ) \
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__oc_r6 = (unsigned long)a1; \
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_oc_syscall( number, rr(r4), rr(r5) ) \
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_oc_input( ir(r6) ) \
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((unsigned long*)retarg1)[0] = __oc_r4; \
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((unsigned long*)retarg2)[0] = __oc_r5; \
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_oc_tail
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/* r4,r5 returned in retarg1, retarg2, retarg3 */
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#define _osi_call1_w1w1w1( type, name, number, t1, a1, t2, retarg1, t3, retarg2, t4, retarg3 ) \
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type name( t1 a1, t2 retarg1, t3 retarg2, t4 retarg3 ) \
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_oc_head( dreg(r6) ) \
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__oc_r6 = (unsigned long)a1; \
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_oc_syscall( number, rr(r4), rr(r5), rr(r6) ) \
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_oc_input( ir(r6) ) \
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((unsigned long*)retarg1)[0] = __oc_r4; \
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((unsigned long*)retarg2)[0] = __oc_r5; \
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((unsigned long*)retarg3)[0] = __oc_r6; \
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_oc_tail
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/* r4,r5 returned in retarg pointer */
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#define _osi_call1_w2( type, name, number, t1, a1, t2, retarg ) \
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type name( t1 a1, t2 retarg ) \
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_oc_head( dreg(r6) ) \
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__oc_r6 = (unsigned long)a1; \
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_oc_syscall( number, rr(r4), rr(r5) ) \
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_oc_input( ir(r6) ) \
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((unsigned long*)retarg)[0] = __oc_r4; \
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((unsigned long*)retarg)[1] = __oc_r5; \
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_oc_tail
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/* r4-r7 returned in retarg pointer */
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#define _osi_call1_w4( type, name, number, t1, a1, t2, retarg ) \
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type name( t1 a1, t2 retarg ) \
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_oc_head( dreg(r6), dreg(r7) ) \
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__oc_r6 = (unsigned long)a1; \
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_oc_syscall( number, rr(r4), rr(r5), rr(r6), rr(r7) ) \
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_oc_input( ir(r6) ) \
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((unsigned long*)retarg)[0] = __oc_r4; \
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((unsigned long*)retarg)[1] = __oc_r5; \
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((unsigned long*)retarg)[2] = __oc_r6; \
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((unsigned long*)retarg)[3] = __oc_r7; \
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_oc_tail
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/* r4-r5 returned in retarg pointer */
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#define _osi_call2_w2( type, name, number, t1, a1, t2, a2, t3, retarg ) \
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type name( t1 a1, t2 a2, t3 retarg ) \
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_oc_head( dreg(r6), dreg(r7) ) \
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__oc_r6 = (unsigned long)a1; \
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__oc_r7 = (unsigned long)a2; \
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_oc_syscall( number, rr(r4), rr(r5) ) \
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_oc_input( ir(r6), ir(r7) ) \
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((unsigned long*)retarg)[0] = __oc_r4; \
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((unsigned long*)retarg)[1] = __oc_r5; \
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_oc_tail
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/* r4-r7 returned in retarg pointer */
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#define _osi_call2_w4( type, name, number, t1, a1, t2, a2, t3, retarg ) \
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type name( t1 a1, t2 a2, t3 retarg ) \
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_oc_head( dreg(r6), dreg(r7) ) \
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__oc_r6 = (unsigned long)a1; \
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__oc_r7 = (unsigned long)a2; \
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_oc_syscall( number, rr(r4), rr(r5), rr(r6), rr(r7) ) \
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_oc_input( ir(r6), ir(r7) ) \
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((unsigned long*)retarg)[0] = __oc_r4; \
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((unsigned long*)retarg)[1] = __oc_r5; \
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((unsigned long*)retarg)[2] = __oc_r6; \
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((unsigned long*)retarg)[3] = __oc_r7; \
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_oc_tail
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#ifdef SHORT_REGLIST
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/* r4-r9 returned in retarg pointer */
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#define _osi_call2_w6( type, name, number, t1, a1, t2, a2, t3, retarg ) \
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type name( t1 a1, t2 a2, t3 retarg ) \
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_oc_head( dreg(r6), dreg(r7), dreg(r10) ) \
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__oc_r6 = (unsigned long)a1; \
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__oc_r7 = (unsigned long)a2; \
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__oc_r10 = (unsigned long)retarg; \
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_oc_syscall_r10w6( number, ir(r6), ir(r7) ) \
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_oc_tail
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#else /* SHORT_REGLIST */
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/* r4-r9 returned in retarg pointer */
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#define _osi_call2_w6( type, name, number, t1, a1, t2, a2, t3, retarg ) \
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type name( t1 a1, t2 a2, t3 retarg ) \
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_oc_head( dreg(r6), dreg(r7), dreg(r8), dreg(r9) ) \
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__oc_r6 = (unsigned long)a1; \
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__oc_r7 = (unsigned long)a2; \
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_oc_syscall( number, rr(r4), rr(r5), rr(r6), rr(r7), rr(r8), rr(r9) ) \
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_oc_input( ir(r6), ir(r7) ) \
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((unsigned long*)retarg)[0] = __oc_r4; \
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((unsigned long*)retarg)[1] = __oc_r5; \
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((unsigned long*)retarg)[2] = __oc_r6; \
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((unsigned long*)retarg)[3] = __oc_r7; \
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((unsigned long*)retarg)[4] = __oc_r8; \
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((unsigned long*)retarg)[5] = __oc_r9; \
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_oc_tail
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#endif /* SHORT_REGLIST */
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/************************************************************************/
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/* OSI call inlines */
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/************************************************************************/
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static inline _osi_call1( int, OSI_CallAvailable, OSI_CALL_AVAILABLE, int, osi_num );
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static inline _osi_call1( int, OSI_PutC, OSI_LOG_PUTC, int, ch );
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static inline _osi_call1( int, OSI_Debugger, OSI_DEBUGGER, int, num );
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static inline _osi_call0( int, OSI_Exit, OSI_EXIT );
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/* misc */
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static inline _osi_call0( unsigned long, OSI_GetLocalTime, OSI_GET_LOCALTIME );
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static inline _osi_call0( unsigned long, OSI_GetGMTTime, OSI_GET_GMT_TIME );
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static inline _osi_call1( int, OSI_USleep, OSI_USLEEP, int, usecs );
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/* NVRAM */
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static inline _osi_call0( int, OSI_NVRamSize, OSI_NVRAM_SIZE );
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static inline _osi_call1( int, OSI_ReadNVRamByte, OSI_READ_NVRAM_BYTE, int, offs );
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static inline _osi_call2( int, OSI_WriteNVRamByte, OSI_WRITE_NVRAM_BYTE, int, offs,
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unsigned char, ch );
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/* keyboard stuff */
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static inline _osi_call0_w1( int, OSI_GetAdbKey2, OSI_GET_ADB_KEY, int *, raw_key );
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static inline _osi_call1( int, OSI_KbdCntrl, OSI_KBD_CNTRL, int, cmd );
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static inline int OSI_GetAdbKey( void )
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{ int dummy_raw_key; return OSI_GetAdbKey2( &dummy_raw_key ); }
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static inline _osi_call2( int, OSI_MapAdbKey, OSI_MAP_ADB_KEY, int, keycode, int, adbkey )
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static inline _osi_call1( int, OSI_KeycodeToAdb, OSI_KEYCODE_TO_ADB, int, keycode );
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static inline _osi_call0( int, OSI_SaveKeymapping, OSI_SAVE_KEYMAPPING );
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/* mouse support */
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struct osi_mouse;
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static inline _osi_call0_w5( int, OSI_GetMouse, OSI_GET_MOUSE, struct osi_mouse *, ret );
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static inline _osi_call0( int, OSI_GetMouseDPI, OSI_GET_MOUSE_DPI );
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/* video */
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static inline _osi_call2( int, OSI_SetVMode_, OSI_SET_VMODE, int, mode, int, depth_mode );
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struct osi_get_vmode_info;
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static inline _osi_call2_w6( int, OSI_GetVModeInfo_, OSI_GET_VMODE_INFO, int, mode, int, depth_mode,
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struct osi_get_vmode_info *, ret );
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static inline _osi_call1( int, OSI_SetVPowerState, OSI_SET_VIDEO_POWER, int, power_state );
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static inline _osi_call2( int, OSI_SetColor, OSI_SET_COLOR, int, index, int, rgb );
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static inline _osi_call0_w1( int, OSI_VideoAckIRQ, OSI_VIDEO_ACK_IRQ, int *, events );
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static inline void OSI_RefreshPalette( void ) { OSI_SetColor(-1,0); }
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/* PIC (mac-io replacement) */
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static inline _osi_call1( int, OSI_PICMaskIRQ, OSI_PIC_MASK_IRQ, int, irq );
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static inline _osi_call1( int, OSI_PICUnmaskIRQ, OSI_PIC_UNMASK_IRQ, int, irq );
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static inline _osi_call2( int, OSI_PICAckIRQ, OSI_PIC_ACK_IRQ, int, irq, int, mask_it );
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static inline _osi_call0( int, OSI_PICGetActiveIRQ, OSI_PIC_GET_ACTIVE_IRQ );
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/* sound */
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static inline _osi_call1( int, OSI_SoundCntl, OSI_SOUND_CNTL, int, cmd );
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static inline _osi_call2( int, OSI_SoundCntl1, OSI_SOUND_CNTL, int, cmd, int, p1 );
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static inline _osi_call3( int, OSI_SoundCntl2, OSI_SOUND_CNTL, int, cmd, int, p1, int, p2 );
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static inline _osi_call0_w2( int, OSI_SoundIRQAck, OSI_SOUND_IRQ_ACK, unsigned long *, timestamp );
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static inline _osi_call3( int, OSI_SoundWrite, OSI_SOUND_WRITE, int, physbuf, int, len, int, restart );
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static inline _osi_call3( int, OSI_SoundSetVolume, OSI_SOUND_SET_VOLUME, int, hwvol, int, speakervol, int, mute );
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/* async block driver */
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struct ablk_disk_info;
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static inline _osi_call2_w4( int, OSI_ABlkDiskInfo, OSI_ABLK_DISK_INFO, int, channel, int, unit,
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struct ablk_disk_info *, retinfo );
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static inline _osi_call1( int, OSI_ABlkKick, OSI_ABLK_KICK, int, channel );
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static inline _osi_call1_w1w1w1( int, OSI_ABlkIRQAck, OSI_ABLK_IRQ_ACK, int, channel, int *, req_count,
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int *, active, int *, events );
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static inline _osi_call3( int, OSI_ABlkRingSetup, OSI_ABLK_RING_SETUP, int, channel, int, mphys, int, n_el );
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static inline _osi_call2( int, OSI_ABlkCntrl, OSI_ABLK_CNTRL, int, channel, int, cmd );
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static inline _osi_call3( int, OSI_ABlkCntrl1, OSI_ABLK_CNTRL, int, channel, int, cmd, int, param );
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static inline _osi_call5( int, OSI_ABlkSyncRead, OSI_ABLK_SYNC_READ, int, channel, int, unit,
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int, blk, unsigned long, mphys, int, size );
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static inline _osi_call5( int, OSI_ABlkSyncWrite, OSI_ABLK_SYNC_WRITE, int, channel, int, unit,
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int, blk, unsigned long, mphys, int, size );
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static inline _osi_call2( int, OSI_ABlkBlessDisk, OSI_ABLK_BLESS_DISK, int, channel, int, unit );
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static inline _osi_call0( int, OSI_CMountDrvVol, OSI_CMOUNT_DRV_VOL );
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/* enet2 */
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static inline _osi_call0( int, OSI_Enet2Open, OSI_ENET2_OPEN );
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static inline _osi_call0( int, OSI_Enet2Close, OSI_ENET2_CLOSE );
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static inline _osi_call3( int, OSI_Enet2RingSetup, OSI_ENET2_RING_SETUP, int, which_ring,
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int, ring_mphys, int, n_el );
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static inline _osi_call2( int, OSI_Enet2Cntrl1, OSI_ENET2_CNTRL, int, cmd, int, param );
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static inline _osi_call1( int, OSI_Enet2Cntrl, OSI_ENET2_CNTRL, int, cmd );
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static inline _osi_call0( int, OSI_Enet2Kick, OSI_ENET2_KICK );
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static inline _osi_call0_w2( int, OSI_Enet2GetHWAddr__, OSI_ENET2_GET_HWADDR, unsigned long *, retbuf );
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static inline int OSI_Enet2GetHWAddr( unsigned char *addr ) {
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int ret;
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unsigned long buf[2];
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ret = OSI_Enet2GetHWAddr__( buf );
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((unsigned long*)addr)[0] = buf[0];
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((unsigned short*)addr)[2] = (buf[1] >> 16);
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return ret;
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}
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static inline _osi_call2( int, OSI_Enet2IRQAck, OSI_ENET2_IRQ_ACK, int, irq_enable, int, rx_head );
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/* PROM (device-tree) */
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static inline _osi_call2( int, OSI_PromIface, OSI_PROM_IFACE, int, what, int, ph );
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static inline _osi_call3( int, OSI_PromIface1, OSI_PROM_IFACE, int, what, int, ph, int, p1 );
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static inline _osi_call4( int, OSI_PromIface2, OSI_PROM_IFACE, int, what, int, ph, int, p1, int, p2 );
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static inline _osi_call5( int, OSI_PromIface3, OSI_PROM_IFACE, int, what, int, ph, int, p1, int, p2, int, p3 );
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static inline _osi_call2( int, OSI_PromPathIface, OSI_PROM_PATH_IFACE, int, what, const char *, p );
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/* emulation acceleration */
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static inline _osi_call1( int, OSI_MapinMregs, OSI_MAPIN_MREGS, unsigned long, mphys );
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static inline _osi_call3( int, OSI_EmuAccel, OSI_EMUACCEL, int, emuaccel_flags, int, param, int, inst_addr );
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/* timer frequency */
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static inline _osi_call1( int, OSI_MticksToUsecs, OSI_MTICKS_TO_USECS, unsigned long, mticks );
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static inline _osi_call1( int, OSI_UsecsToMticks, OSI_USECS_TO_MTICKS, unsigned long, usecs );
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/* fb info */
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struct osi_fb_info;
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static inline _osi_call0_w5( int, OSI_GetFBInfo, OSI_GET_FB_INFO, struct osi_fb_info *, retinfo );
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/* SCSI */
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static inline _osi_call0( int, OSI_SCSIAck, OSI_SCSI_ACK );
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static inline _osi_call1( int, OSI_SCSISubmit, OSI_SCSI_SUBMIT, int, req_mphys );
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static inline _osi_call2( int, OSI_SCSIControl, OSI_SCSI_CNTRL, int, sel, int, param );
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/* TTY */
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static inline _osi_call0( int, OSI_TTYGetc, OSI_TTY_GETC );
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static inline _osi_call1( int, OSI_TTYPutc, OSI_TTY_PUTC, int, ch );
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static inline _osi_call0( int, OSI_TTYIRQAck, OSI_TTY_IRQ_ACK );
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#endif /* _H_OSI_CALLS */
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