194 lines
6.6 KiB
ArmAsm
194 lines
6.6 KiB
ArmAsm
/*-
|
|
* Copyright (c) 2011 The NetBSD Foundation, Inc.
|
|
* All rights reserved.
|
|
*
|
|
* This code is derived from software contributed to The NetBSD Foundation
|
|
* by Matt Thomas of 3am Software Foundry.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
|
|
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
|
|
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
|
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
|
|
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
|
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
|
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
|
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
* POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#include <sys/cdefs.h>
|
|
#include <machine/asm.h>
|
|
|
|
#include "assym.h"
|
|
|
|
RCSID("$NetBSD: arcbios_calls.S,v 1.1 2011/02/20 08:02:46 matt Exp $")
|
|
|
|
.text
|
|
.set noreorder
|
|
|
|
#ifdef _LP64
|
|
#define FIX_V0 sll v0, v0, 0
|
|
#else
|
|
#define FIX_V0 /* nothing */
|
|
#endif
|
|
|
|
#define CALLFRAME2_SIZ (CALLFRAME_SIZ + 16)
|
|
#define CALLFRAME2_RA (CALLFRAME_RA + 16)
|
|
#define CALLFRAME2_S0 (CALLFRAME_S0 + 16)
|
|
|
|
#ifndef _STANDALONE
|
|
NESTED(arcbios_4orless_args, CALLFRAME_SIZ, ra)
|
|
PTR_SUBU sp, CALLFRAME_SIZ
|
|
|
|
REG_S ra, CALLFRAME_RA(sp)
|
|
REG_S s0, CALLFRAME_S0(sp)
|
|
|
|
PTR_L t9, _C_LABEL(ARCBIOS)
|
|
PTR_ADDU t9, t0
|
|
INT_L t9, 0(t9)
|
|
nop
|
|
|
|
jalr t9
|
|
move s0, t8
|
|
|
|
FIX_V0
|
|
|
|
move t8, s0
|
|
|
|
REG_L ra, CALLFRAME_RA(sp)
|
|
REG_L s0, CALLFRAME_S0(sp)
|
|
|
|
jr ra
|
|
PTR_ADDU sp, CALLFRAME_SIZ
|
|
END(arcbios_4orless_args)
|
|
|
|
NESTED(arcbios_5to8_args, CALLFRAME2_SIZ, ra)
|
|
PTR_SUBU sp, CALLFRAME2_SIZ
|
|
|
|
REG_S ra, CALLFRAME2_RA(sp)
|
|
REG_S s0, CALLFRAME2_S0(sp)
|
|
|
|
#ifdef __mips_o32
|
|
INT_L ta0, CALLFRAME2_SIZ+16(sp) # load 5th arg
|
|
INT_L ta1, CALLFRAME2_SIZ+20(sp) # load 6th arg
|
|
INT_L ta2, CALLFRAME2_SIZ+24(sp) # load 7th arg
|
|
INT_L ta3, CALLFRAME2_SIZ+28(sp) # load 8th arg
|
|
INT_S ta0, 16(sp) # save 5th arg on stack (o32)
|
|
INT_S ta1, 20(sp) # save 6th arg on stack (o32)
|
|
INT_S ta2, 24(sp) # save 7th arg on stack (o32)
|
|
INT_S ta3, 28(sp) # save 8th arg on stack (o32)
|
|
#else
|
|
INT_S a4, 16(sp) # save 5th arg on stack (o32)
|
|
INT_S a5, 20(sp) # save 6th arg on stack (o32)
|
|
INT_S a6, 24(sp) # save 7th arg on stack (o32)
|
|
INT_S a7, 28(sp) # save 8th arg on stack (o32)
|
|
#endif
|
|
|
|
PTR_L t9, _C_LABEL(ARCBIOS)
|
|
PTR_ADDU t9, t0
|
|
INT_L t9, 0(t9)
|
|
nop
|
|
|
|
jalr t9
|
|
nop
|
|
|
|
FIX_V0
|
|
|
|
move t8, s0
|
|
|
|
REG_L ra, CALLFRAME2_RA(sp)
|
|
REG_L s0, CALLFRAME2_S0(sp)
|
|
|
|
jr ra
|
|
PTR_ADDU sp, CALLFRAME2_SIZ
|
|
END(arcbios_5to8_args)
|
|
#endif /* !_STANDALONE */
|
|
|
|
#define AFVDIRECT(name) \
|
|
.globl __CONCAT(arcbios_,name); \
|
|
LEAF(__CONCAT(arcbios_,name)); \
|
|
PTR_L t9, _C_LABEL(ARCBIOS); \
|
|
nop; \
|
|
INT_L t9, __CONCAT(AFV_,name)(t9); \
|
|
nop; \
|
|
jr t9; \
|
|
nop; \
|
|
END(__CONCAT(arcbios_,name))
|
|
|
|
#ifdef _STANDALONE
|
|
#define AFV4ORLESS(name) AFVDIRECT(name)
|
|
#define AFV5ORMORE(name) AFVDIRECT(name)
|
|
#else
|
|
#define AFV4ORLESS(name) \
|
|
.globl __CONCAT(arcbios_,name); \
|
|
NESTED(__CONCAT(arcbios_,name), 0, ra); \
|
|
b arcbios_4orless_args; \
|
|
li t0, __CONCAT(AFV_,name); \
|
|
END(__CONCAT(arcbios_,name))
|
|
|
|
#define AFV5ORMORE(name) \
|
|
.globl __CONCAT(arcbios_,name); \
|
|
NESTED(__CONCAT(arcbios_,name), 0, ra); \
|
|
b arcbios_5to8_args; \
|
|
li t0, __CONCAT(AFV_,name); \
|
|
END(__CONCAT(arcbios_,name))
|
|
#endif
|
|
|
|
/*
|
|
* ARC firmware vector
|
|
*/
|
|
AFV4ORLESS(Load) /* long (*Load)(char *image, u_long top, u_long entry, u_long *low); */
|
|
AFV5ORMORE(Invoke) /* long (*Invoke)(u_long, u_long, u_long, char **, char **); */
|
|
AFV4ORLESS(Execute) /* long (*Execute)(char *, u_long, char **, char **); */
|
|
AFVDIRECT(Halt) /* void (*Halt)(void) __dead; */
|
|
AFVDIRECT(PowerDown) /* void (*PowerDown)(void) __dead; */
|
|
AFVDIRECT(Restart) /* void (*Restart)(void) __dead; */
|
|
AFVDIRECT(Reboot) /* void (*Reboot)(void) __dead; */
|
|
AFVDIRECT(EnterInteractiveMode) /* void (*EnterInteractiveMode)(void) __dead; */
|
|
#ifndef sgimips
|
|
AFVDIRECT(ReturnFromMain) /* void (*ReturnFromMain)(void) __dead; */
|
|
#endif
|
|
AFV4ORLESS(GetPeer) /* void *(*GetPeer)(void *); */
|
|
AFV4ORLESS(GetChild) /* void *(*GetChild)(void *); */
|
|
AFV4ORLESS(GetParent) /* void *(*GetParent)(void *); */
|
|
AFV4ORLESS(GetConfigurationData) /* long (*GetConfigurationData)(void *, void *); */
|
|
AFV4ORLESS(AddChild) /* void *(*AddChild)(void *, void *); */
|
|
AFV4ORLESS(DeleteComponent) /* long (*DeleteComponent)(void *component); */
|
|
AFV4ORLESS(GetComponent) /* void *(*GetComponent)(char *path); */
|
|
AFV4ORLESS(SaveConfiguration) /* long (*SaveConfiguration)(void); */
|
|
AFV4ORLESS(GetSystemId) /* void *(*GetSystemId)(void); */
|
|
AFV4ORLESS(GetMemoryDescriptor) /* void *(*GetMemoryDescriptor)(void *); */
|
|
#if !defined(sgimips)
|
|
AFV4ORLESS(Signal) /* void (*Signal)(u_long, void *); */
|
|
#endif
|
|
AFV4ORLESS(GetTime) /* void *(*GetTime)(void); */
|
|
AFV4ORLESS(GetRelativeTime) /* u_long (*GetRelativeTime)(void); */
|
|
AFV4ORLESS(GetDirectoryEntry) /* long (*GetDirectoryEntry)(u_long, void *, u_long, u_long *); */
|
|
AFV4ORLESS(Open) /* long (*Open)(char *, u_long, u_long *); */
|
|
AFV4ORLESS(Close) /* long (*Close)(u_long); */
|
|
AFV4ORLESS(Read) /* long (*Read)(u_long, void *, u_long, u_long *); */
|
|
AFV4ORLESS(GetReadStatus) /* long (*GetReadStatus)(u_long); */
|
|
AFV4ORLESS(Write) /* long (*Write)(u_long, void *, u_long, u_long *); */
|
|
AFV4ORLESS(Seek) /* long (*Seek)(u_long, int64_t *, u_long); */
|
|
AFV4ORLESS(Mount) /* long (*Mount)(char *, u_long); */
|
|
AFV4ORLESS(GetEnvironmentVariable) /* const char *(*GetEnvironmentVariable)(const char *); */
|
|
AFV4ORLESS(SetEnvironmentVariable) /* long (*SetEnvironmentVariable)(const char *, const char *); */
|
|
AFV4ORLESS(GetFileInformation) /* long (*GetFileInformation)(u_long, void *); */
|
|
AFV4ORLESS(SetFileInformation) /* long (*SetFileInformation)(u_long, u_long, u_long); */
|
|
AFV4ORLESS(FlushAllCaches) /* void (*FlushAllCaches)(void); */
|
|
#ifndef sgimips
|
|
AFV4ORLESS(TestUnicode) /* paddr_t (*TestUnicode)(u_long, uint16_t); */
|
|
AFV4ORLESS(GetDisplayStatus) /* void *(*GetDisplayStatus)(u_long); */
|
|
#endif
|