root/arch/mips/include/asm/asm-eva.h 
/*
 * This file is subject to the terms and conditions of the GNU General Public
 * License.  See the file "COPYING" in the main directory of this archive
 * for more details.
 *
 * Copyright (C) 2014 Imagination Technologies Ltd.
 *
 */

#ifndef __ASM_ASM_EVA_H
#define __ASM_ASM_EVA_H

#ifndef __ASSEMBLER__

/* Kernel variants */

#define kernel_cache(op, base)          "cache " op ", " base "\n"
#define kernel_pref(hint, base)         "pref " hint ", " base "\n"
#define kernel_ll(reg, addr)            "ll " reg ", " addr "\n"
#define kernel_sc(reg, addr)            "sc " reg ", " addr "\n"
#define kernel_lw(reg, addr)            "lw " reg ", " addr "\n"
#define kernel_lwl(reg, addr)           "lwl " reg ", " addr "\n"
#define kernel_lwr(reg, addr)           "lwr " reg ", " addr "\n"
#define kernel_lh(reg, addr)            "lh " reg ", " addr "\n"
#define kernel_lb(reg, addr)            "lb " reg ", " addr "\n"
#define kernel_lbu(reg, addr)           "lbu " reg ", " addr "\n"
#define kernel_sw(reg, addr)            "sw " reg ", " addr "\n"
#define kernel_swl(reg, addr)           "swl " reg ", " addr "\n"
#define kernel_swr(reg, addr)           "swr " reg ", " addr "\n"
#define kernel_sh(reg, addr)            "sh " reg ", " addr "\n"
#define kernel_sb(reg, addr)            "sb " reg ", " addr "\n"

#ifdef CONFIG_32BIT
/*
 * No 'sd' or 'ld' instructions in 32-bit but the code will
 * do the correct thing
 */
#define kernel_sd(reg, addr)            user_sw(reg, addr)
#define kernel_ld(reg, addr)            user_lw(reg, addr)
#else
#define kernel_sd(reg, addr)            "sd " reg", " addr "\n"
#define kernel_ld(reg, addr)            "ld " reg", " addr "\n"
#endif /* CONFIG_32BIT */

#ifdef CONFIG_EVA

#define __BUILD_EVA_INSN(insn, reg, addr)                               \
                                "       .set    push\n"                 \
                                "       .set    mips0\n"                \
                                "       .set    eva\n"                  \
                                "       "insn" "reg", "addr "\n"        \
                                "       .set    pop\n"

#define user_cache(op, base)            __BUILD_EVA_INSN("cachee", op, base)
#define user_pref(hint, base)           __BUILD_EVA_INSN("prefe", hint, base)
#define user_ll(reg, addr)              __BUILD_EVA_INSN("lle", reg, addr)
#define user_sc(reg, addr)              __BUILD_EVA_INSN("sce", reg, addr)
#define user_lw(reg, addr)              __BUILD_EVA_INSN("lwe", reg, addr)
#define user_lwl(reg, addr)             __BUILD_EVA_INSN("lwle", reg, addr)
#define user_lwr(reg, addr)             __BUILD_EVA_INSN("lwre", reg, addr)
#define user_lh(reg, addr)              __BUILD_EVA_INSN("lhe", reg, addr)
#define user_lb(reg, addr)              __BUILD_EVA_INSN("lbe", reg, addr)
#define user_lbu(reg, addr)             __BUILD_EVA_INSN("lbue", reg, addr)
/* No 64-bit EVA instruction for loading double words */
#define user_ld(reg, addr)              user_lw(reg, addr)
#define user_sw(reg, addr)              __BUILD_EVA_INSN("swe", reg, addr)
#define user_swl(reg, addr)             __BUILD_EVA_INSN("swle", reg, addr)
#define user_swr(reg, addr)             __BUILD_EVA_INSN("swre", reg, addr)
#define user_sh(reg, addr)              __BUILD_EVA_INSN("she", reg, addr)
#define user_sb(reg, addr)              __BUILD_EVA_INSN("sbe", reg, addr)
/* No 64-bit EVA instruction for storing double words */
#define user_sd(reg, addr)              user_sw(reg, addr)

#else

#define user_cache(op, base)            kernel_cache(op, base)
#define user_pref(hint, base)           kernel_pref(hint, base)
#define user_ll(reg, addr)              kernel_ll(reg, addr)
#define user_sc(reg, addr)              kernel_sc(reg, addr)
#define user_lw(reg, addr)              kernel_lw(reg, addr)
#define user_lwl(reg, addr)             kernel_lwl(reg, addr)
#define user_lwr(reg, addr)             kernel_lwr(reg, addr)
#define user_lh(reg, addr)              kernel_lh(reg, addr)
#define user_lb(reg, addr)              kernel_lb(reg, addr)
#define user_lbu(reg, addr)             kernel_lbu(reg, addr)
#define user_sw(reg, addr)              kernel_sw(reg, addr)
#define user_swl(reg, addr)             kernel_swl(reg, addr)
#define user_swr(reg, addr)             kernel_swr(reg, addr)
#define user_sh(reg, addr)              kernel_sh(reg, addr)
#define user_sb(reg, addr)              kernel_sb(reg, addr)

#ifdef CONFIG_32BIT
#define user_sd(reg, addr)              kernel_sw(reg, addr)
#define user_ld(reg, addr)              kernel_lw(reg, addr)
#else
#define user_sd(reg, addr)              kernel_sd(reg, addr)
#define user_ld(reg, addr)              kernel_ld(reg, addr)
#endif /* CONFIG_32BIT */

#endif /* CONFIG_EVA */

#else /* __ASSEMBLER__ */

#define kernel_cache(op, base)          cache op, base
#define kernel_pref(hint, base)         pref hint, base
#define kernel_ll(reg, addr)            ll reg, addr
#define kernel_sc(reg, addr)            sc reg, addr
#define kernel_lw(reg, addr)            lw reg, addr
#define kernel_lwl(reg, addr)           lwl reg, addr
#define kernel_lwr(reg, addr)           lwr reg, addr
#define kernel_lh(reg, addr)            lh reg, addr
#define kernel_lb(reg, addr)            lb reg, addr
#define kernel_lbu(reg, addr)           lbu reg, addr
#define kernel_sw(reg, addr)            sw reg, addr
#define kernel_swl(reg, addr)           swl reg, addr
#define kernel_swr(reg, addr)           swr reg, addr
#define kernel_sh(reg, addr)            sh reg, addr
#define kernel_sb(reg, addr)            sb reg, addr

#ifdef CONFIG_32BIT
/*
 * No 'sd' or 'ld' instructions in 32-bit but the code will
 * do the correct thing
 */
#define kernel_sd(reg, addr)            user_sw(reg, addr)
#define kernel_ld(reg, addr)            user_lw(reg, addr)
#else
#define kernel_sd(reg, addr)            sd reg, addr
#define kernel_ld(reg, addr)            ld reg, addr
#endif /* CONFIG_32BIT */

#ifdef CONFIG_EVA

#define __BUILD_EVA_INSN(insn, reg, addr)                       \
                                .set    push;                   \
                                .set    mips0;                  \
                                .set    eva;                    \
                                insn reg, addr;                 \
                                .set    pop;

#define user_cache(op, base)            __BUILD_EVA_INSN(cachee, op, base)
#define user_pref(hint, base)           __BUILD_EVA_INSN(prefe, hint, base)
#define user_ll(reg, addr)              __BUILD_EVA_INSN(lle, reg, addr)
#define user_sc(reg, addr)              __BUILD_EVA_INSN(sce, reg, addr)
#define user_lw(reg, addr)              __BUILD_EVA_INSN(lwe, reg, addr)
#define user_lwl(reg, addr)             __BUILD_EVA_INSN(lwle, reg, addr)
#define user_lwr(reg, addr)             __BUILD_EVA_INSN(lwre, reg, addr)
#define user_lh(reg, addr)              __BUILD_EVA_INSN(lhe, reg, addr)
#define user_lb(reg, addr)              __BUILD_EVA_INSN(lbe, reg, addr)
#define user_lbu(reg, addr)             __BUILD_EVA_INSN(lbue, reg, addr)
/* No 64-bit EVA instruction for loading double words */
#define user_ld(reg, addr)              user_lw(reg, addr)
#define user_sw(reg, addr)              __BUILD_EVA_INSN(swe, reg, addr)
#define user_swl(reg, addr)             __BUILD_EVA_INSN(swle, reg, addr)
#define user_swr(reg, addr)             __BUILD_EVA_INSN(swre, reg, addr)
#define user_sh(reg, addr)              __BUILD_EVA_INSN(she, reg, addr)
#define user_sb(reg, addr)              __BUILD_EVA_INSN(sbe, reg, addr)
/* No 64-bit EVA instruction for loading double words */
#define user_sd(reg, addr)              user_sw(reg, addr)
#else

#define user_cache(op, base)            kernel_cache(op, base)
#define user_pref(hint, base)           kernel_pref(hint, base)
#define user_ll(reg, addr)              kernel_ll(reg, addr)
#define user_sc(reg, addr)              kernel_sc(reg, addr)
#define user_lw(reg, addr)              kernel_lw(reg, addr)
#define user_lwl(reg, addr)             kernel_lwl(reg, addr)
#define user_lwr(reg, addr)             kernel_lwr(reg, addr)
#define user_lh(reg, addr)              kernel_lh(reg, addr)
#define user_lb(reg, addr)              kernel_lb(reg, addr)
#define user_lbu(reg, addr)             kernel_lbu(reg, addr)
#define user_sw(reg, addr)              kernel_sw(reg, addr)
#define user_swl(reg, addr)             kernel_swl(reg, addr)
#define user_swr(reg, addr)             kernel_swr(reg, addr)
#define user_sh(reg, addr)              kernel_sh(reg, addr)
#define user_sb(reg, addr)              kernel_sb(reg, addr)

#ifdef CONFIG_32BIT
#define user_sd(reg, addr)              kernel_sw(reg, addr)
#define user_ld(reg, addr)              kernel_lw(reg, addr)
#else
#define user_sd(reg, addr)              kernel_sd(reg, addr)
#define user_ld(reg, addr)              kernel_ld(reg, addr)
#endif /* CONFIG_32BIT */

#endif /* CONFIG_EVA */

#endif /* __ASSEMBLER__ */

#endif /* __ASM_ASM_EVA_H */