diff options
Diffstat (limited to 'arch/tile/include/uapi/arch/abi.h')
-rw-r--r-- | arch/tile/include/uapi/arch/abi.h | 101 |
1 files changed, 0 insertions, 101 deletions
diff --git a/arch/tile/include/uapi/arch/abi.h b/arch/tile/include/uapi/arch/abi.h deleted file mode 100644 index df161a4..0000000 --- a/arch/tile/include/uapi/arch/abi.h +++ /dev/null @@ -1,101 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ -/* - * Copyright 2010 Tilera Corporation. All Rights Reserved. - * - * 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, version 2. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or - * NON INFRINGEMENT. See the GNU General Public License for - * more details. - */ - -/** - * @file - * - * ABI-related register definitions. - */ - -#ifndef __ARCH_ABI_H__ - -#ifndef __tile__ /* support uncommon use of arch headers in non-tile builds */ -# include <arch/chip.h> -# define __INT_REG_BITS CHIP_WORD_SIZE() -#endif - -#include <arch/intreg.h> - -/* __need_int_reg_t is deprecated: just include <arch/intreg.h> */ -#ifndef __need_int_reg_t - -#define __ARCH_ABI_H__ - -#ifndef __ASSEMBLER__ -/** Unsigned type that can hold a register. */ -typedef __uint_reg_t uint_reg_t; - -/** Signed type that can hold a register. */ -typedef __int_reg_t int_reg_t; -#endif - -/** String prefix to use for printf(). */ -#define INT_REG_FMT __INT_REG_FMT - -/** Number of bits in a register. */ -#define INT_REG_BITS __INT_REG_BITS - - -/* Registers 0 - 55 are "normal", but some perform special roles. */ - -#define TREG_FP 52 /**< Frame pointer. */ -#define TREG_TP 53 /**< Thread pointer. */ -#define TREG_SP 54 /**< Stack pointer. */ -#define TREG_LR 55 /**< Link to calling function PC. */ - -/** Index of last normal general-purpose register. */ -#define TREG_LAST_GPR 55 - -/* Registers 56 - 62 are "special" network registers. */ - -#define TREG_SN 56 /**< Static network access. */ -#define TREG_IDN0 57 /**< IDN demux 0 access. */ -#define TREG_IDN1 58 /**< IDN demux 1 access. */ -#define TREG_UDN0 59 /**< UDN demux 0 access. */ -#define TREG_UDN1 60 /**< UDN demux 1 access. */ -#define TREG_UDN2 61 /**< UDN demux 2 access. */ -#define TREG_UDN3 62 /**< UDN demux 3 access. */ - -/* Register 63 is the "special" zero register. */ - -#define TREG_ZERO 63 /**< "Zero" register; always reads as "0". */ - - -/** By convention, this register is used to hold the syscall number. */ -#define TREG_SYSCALL_NR 10 - -/** Name of register that holds the syscall number, for use in assembly. */ -#define TREG_SYSCALL_NR_NAME r10 - - -/** - * The ABI requires callers to allocate a caller state save area of - * this many bytes at the bottom of each stack frame. - */ -#define C_ABI_SAVE_AREA_SIZE (2 * (INT_REG_BITS / 8)) - -/** - * The operand to an 'info' opcode directing the backtracer to not - * try to find the calling frame. - */ -#define INFO_OP_CANNOT_BACKTRACE 2 - - -#endif /* !__need_int_reg_t */ - -/* Make sure we later can get all the definitions and declarations. */ -#undef __need_int_reg_t - -#endif /* !__ARCH_ABI_H__ */ |