diff options
Diffstat (limited to 'arch/tile/include/arch/abi.h')
| -rw-r--r-- | arch/tile/include/arch/abi.h | 69 |
1 files changed, 37 insertions, 32 deletions
diff --git a/arch/tile/include/arch/abi.h b/arch/tile/include/arch/abi.h index 7cdc47b3e02a..da8df5b9d914 100644 --- a/arch/tile/include/arch/abi.h +++ b/arch/tile/include/arch/abi.h @@ -1,26 +1,29 @@ -// 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 helpful when writing assembly code. -//! +/* + * 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 helpful when writing assembly code. + */ #ifndef __ARCH_ABI_H__ #define __ARCH_ABI_H__ #include <arch/chip.h> -// Registers 0 - 55 are "normal", but some perform special roles. +/* Registers 0 - 55 are "normal", but some perform special roles. */ #define TREG_FP 52 /**< Frame pointer. */ #define TREG_TP 53 /**< Thread pointer. */ @@ -30,7 +33,7 @@ /** Index of last normal general-purpose register. */ #define TREG_LAST_GPR 55 -// Registers 56 - 62 are "special" network registers. +/* Registers 56 - 62 are "special" network registers. */ #define TREG_SN 56 /**< Static network access. */ #define TREG_IDN0 57 /**< IDN demux 0 access. */ @@ -40,7 +43,7 @@ #define TREG_UDN2 61 /**< UDN demux 2 access. */ #define TREG_UDN3 62 /**< UDN demux 3 access. */ -// Register 63 is the "special" zero register. +/* Register 63 is the "special" zero register. */ #define TREG_ZERO 63 /**< "Zero" register; always reads as "0". */ @@ -52,42 +55,44 @@ #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. -//! +/** + * The ABI requires callers to allocate a caller state save area of + * this many bytes at the bottom of each stack frame. + */ #ifdef __tile__ #define C_ABI_SAVE_AREA_SIZE (2 * __SIZEOF_POINTER__) #endif -//! The operand to an 'info' opcode directing the backtracer to not -//! try to find the calling frame. -//! +/** + * The operand to an 'info' opcode directing the backtracer to not + * try to find the calling frame. + */ #define INFO_OP_CANNOT_BACKTRACE 2 #ifndef __ASSEMBLER__ #if CHIP_WORD_SIZE() > 32 -//! Unsigned type that can hold a register. +/** Unsigned type that can hold a register. */ typedef unsigned long long uint_reg_t; -//! Signed type that can hold a register. +/** Signed type that can hold a register. */ typedef long long int_reg_t; -//! String prefix to use for printf(). +/** String prefix to use for printf(). */ #define INT_REG_FMT "ll" #elif !defined(__LP64__) /* avoid confusion with LP64 cross-build tools */ -//! Unsigned type that can hold a register. +/** Unsigned type that can hold a register. */ typedef unsigned long uint_reg_t; -//! Signed type that can hold a register. +/** Signed type that can hold a register. */ typedef long int_reg_t; -//! String prefix to use for printf(). +/** String prefix to use for printf(). */ #define INT_REG_FMT "l" #endif #endif /* __ASSEMBLER__ */ -#endif // !__ARCH_ABI_H__ +#endif /* !__ARCH_ABI_H__ */ |