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