/*- * 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 #include #include "assym.h" RCSID("$NetBSD: arcbios_calls.S,v 1.4.28.1 2026/01/22 20:17:53 martin 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_SP (CALLFRAME_SP + 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_SP(sp) PTR_L t9, _C_LABEL(ARCBIOS) nop PTR_ADDU t9, t0 INT_L t9, 0(t9) nop jalr t9 move s0, MIPS_CURLWP FIX_V0 move MIPS_CURLWP, s0 REG_L ra, CALLFRAME_RA(sp) REG_L s0, CALLFRAME_SP(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_SP(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) nop PTR_ADDU t9, t0 INT_L t9, 0(t9) nop jalr t9 move s0, MIPS_CURLWP FIX_V0 move MIPS_CURLWP, s0 REG_L ra, CALLFRAME2_RA(sp) REG_L s0, CALLFRAME2_SP(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