--- /dev/null
+/*
+ * Creation Date: <2002/06/16 01:40:57 samuel>
+ * Time-stamp: <2003/12/26 17:02:09 samuel>
+ *
+ * <osi_calls.h>
+ *
+ * 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 */
Code Review / kvmfornfv.git / blobdiff