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Diffstat (limited to 'arch/mips/include/asm/uasm.h')
| -rw-r--r-- | arch/mips/include/asm/uasm.h | 330 |
1 files changed, 330 insertions, 0 deletions
diff --git a/arch/mips/include/asm/uasm.h b/arch/mips/include/asm/uasm.h new file mode 100644 index 0000000000..296bcf31ab --- /dev/null +++ b/arch/mips/include/asm/uasm.h @@ -0,0 +1,330 @@ +/* + * 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) 2004, 2005, 2006, 2008 Thiemo Seufer + * Copyright (C) 2005 Maciej W. Rozycki + * Copyright (C) 2006 Ralf Baechle (ralf@linux-mips.org) + * Copyright (C) 2012, 2013 MIPS Technologies, Inc. All rights reserved. + */ + +#ifndef __ASM_UASM_H +#define __ASM_UASM_H + +#include <linux/types.h> + +#ifdef CONFIG_EXPORT_UASM +#include <linux/export.h> +#define UASM_EXPORT_SYMBOL(sym) EXPORT_SYMBOL(sym) +#else +#define UASM_EXPORT_SYMBOL(sym) +#endif + +#define Ip_u1u2u3(op) \ +void uasm_i##op(u32 **buf, unsigned int a, unsigned int b, unsigned int c) + +#define Ip_u2u1u3(op) \ +void uasm_i##op(u32 **buf, unsigned int a, unsigned int b, unsigned int c) + +#define Ip_u3u2u1(op) \ +void uasm_i##op(u32 **buf, unsigned int a, unsigned int b, unsigned int c) + +#define Ip_u3u1u2(op) \ +void uasm_i##op(u32 **buf, unsigned int a, unsigned int b, unsigned int c) + +#define Ip_u1u2s3(op) \ +void uasm_i##op(u32 **buf, unsigned int a, unsigned int b, signed int c) + +#define Ip_u2s3u1(op) \ +void uasm_i##op(u32 **buf, unsigned int a, signed int b, unsigned int c) + +#define Ip_s3s1s2(op) \ +void uasm_i##op(u32 **buf, int a, int b, int c) + +#define Ip_u2u1s3(op) \ +void uasm_i##op(u32 **buf, unsigned int a, unsigned int b, signed int c) + +#define Ip_u2u1msbu3(op) \ +void uasm_i##op(u32 **buf, unsigned int a, unsigned int b, unsigned int c, \ + unsigned int d) + +#define Ip_u1u2(op) \ +void uasm_i##op(u32 **buf, unsigned int a, unsigned int b) + +#define Ip_u2u1(op) \ +void uasm_i##op(u32 **buf, unsigned int a, unsigned int b) + +#define Ip_u1s2(op) \ +void uasm_i##op(u32 **buf, unsigned int a, signed int b) + +#define Ip_u1(op) void uasm_i##op(u32 **buf, unsigned int a) + +#define Ip_0(op) void uasm_i##op(u32 **buf) + +Ip_u2u1s3(_addiu); +Ip_u3u1u2(_addu); +Ip_u3u1u2(_and); +Ip_u2u1u3(_andi); +Ip_u1u2s3(_bbit0); +Ip_u1u2s3(_bbit1); +Ip_u1u2s3(_beq); +Ip_u1u2s3(_beql); +Ip_u1s2(_bgez); +Ip_u1s2(_bgezl); +Ip_u1s2(_bgtz); +Ip_u1s2(_blez); +Ip_u1s2(_bltz); +Ip_u1s2(_bltzl); +Ip_u1u2s3(_bne); +Ip_u1(_break); +Ip_u2s3u1(_cache); +Ip_u1u2(_cfc1); +Ip_u2u1(_cfcmsa); +Ip_u1u2(_ctc1); +Ip_u2u1(_ctcmsa); +Ip_u2u1s3(_daddiu); +Ip_u3u1u2(_daddu); +Ip_u1u2(_ddivu); +Ip_u3u1u2(_ddivu_r6); +Ip_u1(_di); +Ip_u2u1msbu3(_dins); +Ip_u2u1msbu3(_dinsm); +Ip_u2u1msbu3(_dinsu); +Ip_u1u2(_divu); +Ip_u3u1u2(_divu_r6); +Ip_u1u2u3(_dmfc0); +Ip_u3u1u2(_dmodu); +Ip_u1u2u3(_dmtc0); +Ip_u1u2(_dmultu); +Ip_u3u1u2(_dmulu); +Ip_u2u1u3(_drotr); +Ip_u2u1u3(_drotr32); +Ip_u2u1(_dsbh); +Ip_u2u1(_dshd); +Ip_u2u1u3(_dsll); +Ip_u2u1u3(_dsll32); +Ip_u3u2u1(_dsllv); +Ip_u2u1u3(_dsra); +Ip_u2u1u3(_dsra32); +Ip_u3u2u1(_dsrav); +Ip_u2u1u3(_dsrl); +Ip_u2u1u3(_dsrl32); +Ip_u3u2u1(_dsrlv); +Ip_u3u1u2(_dsubu); +Ip_0(_eret); +Ip_u2u1msbu3(_ext); +Ip_u2u1msbu3(_ins); +Ip_u1(_j); +Ip_u1(_jal); +Ip_u2u1(_jalr); +Ip_u1(_jr); +Ip_u2s3u1(_lb); +Ip_u2s3u1(_lbu); +Ip_u2s3u1(_ld); +Ip_u3u1u2(_ldx); +Ip_u2s3u1(_lh); +Ip_u2s3u1(_lhu); +Ip_u2s3u1(_ll); +Ip_u2s3u1(_lld); +Ip_u1s2(_lui); +Ip_u2s3u1(_lw); +Ip_u2s3u1(_lwu); +Ip_u3u1u2(_lwx); +Ip_u1u2u3(_mfc0); +Ip_u1u2u3(_mfhc0); +Ip_u1(_mfhi); +Ip_u1(_mflo); +Ip_u3u1u2(_modu); +Ip_u3u1u2(_movn); +Ip_u3u1u2(_movz); +Ip_u1u2u3(_mtc0); +Ip_u1u2u3(_mthc0); +Ip_u1(_mthi); +Ip_u1(_mtlo); +Ip_u3u1u2(_mul); +Ip_u1u2(_multu); +Ip_u3u1u2(_mulu); +Ip_u3u1u2(_muhu); +Ip_u3u1u2(_nor); +Ip_u3u1u2(_or); +Ip_u2u1u3(_ori); +Ip_u2s3u1(_pref); +Ip_0(_rfe); +Ip_u2u1u3(_rotr); +Ip_u2s3u1(_sb); +Ip_u2s3u1(_sc); +Ip_u2s3u1(_scd); +Ip_u2s3u1(_sd); +Ip_u3u1u2(_seleqz); +Ip_u3u1u2(_selnez); +Ip_u2s3u1(_sh); +Ip_u2u1u3(_sll); +Ip_u3u2u1(_sllv); +Ip_s3s1s2(_slt); +Ip_u2u1s3(_slti); +Ip_u2u1s3(_sltiu); +Ip_u3u1u2(_sltu); +Ip_u2u1u3(_sra); +Ip_u3u2u1(_srav); +Ip_u2u1u3(_srl); +Ip_u3u2u1(_srlv); +Ip_u3u1u2(_subu); +Ip_u2s3u1(_sw); +Ip_u1(_sync); +Ip_u1(_syscall); +Ip_0(_tlbp); +Ip_0(_tlbr); +Ip_0(_tlbwi); +Ip_0(_tlbwr); +Ip_u1(_wait); +Ip_u2u1(_wsbh); +Ip_u3u1u2(_xor); +Ip_u2u1u3(_xori); +Ip_u2u1(_yield); +Ip_u1u2(_ldpte); +Ip_u2u1u3(_lddir); + +/* Handle labels. */ +struct uasm_label { + u32 *addr; + int lab; +}; + +void uasm_build_label(struct uasm_label **lab, u32 *addr, + int lid); +#ifdef CONFIG_64BIT +int uasm_in_compat_space_p(long addr); +#endif +int uasm_rel_hi(long val); +int uasm_rel_lo(long val); +void UASM_i_LA_mostly(u32 **buf, unsigned int rs, long addr); +void UASM_i_LA(u32 **buf, unsigned int rs, long addr); + +#define UASM_L_LA(lb) \ +static inline void uasm_l##lb(struct uasm_label **lab, u32 *addr) \ +{ \ + uasm_build_label(lab, addr, label##lb); \ +} + +/* convenience macros for instructions */ +#ifdef CONFIG_64BIT +# define UASM_i_ADDIU(buf, rs, rt, val) uasm_i_daddiu(buf, rs, rt, val) +# define UASM_i_ADDU(buf, rs, rt, rd) uasm_i_daddu(buf, rs, rt, rd) +# define UASM_i_LL(buf, rs, rt, off) uasm_i_lld(buf, rs, rt, off) +# define UASM_i_LW(buf, rs, rt, off) uasm_i_ld(buf, rs, rt, off) +# define UASM_i_LWX(buf, rs, rt, rd) uasm_i_ldx(buf, rs, rt, rd) +# define UASM_i_MFC0(buf, rt, rd...) uasm_i_dmfc0(buf, rt, rd) +# define UASM_i_MTC0(buf, rt, rd...) uasm_i_dmtc0(buf, rt, rd) +# define UASM_i_ROTR(buf, rs, rt, sh) uasm_i_drotr(buf, rs, rt, sh) +# define UASM_i_SC(buf, rs, rt, off) uasm_i_scd(buf, rs, rt, off) +# define UASM_i_SLL(buf, rs, rt, sh) uasm_i_dsll(buf, rs, rt, sh) +# define UASM_i_SRA(buf, rs, rt, sh) uasm_i_dsra(buf, rs, rt, sh) +# define UASM_i_SRL(buf, rs, rt, sh) uasm_i_dsrl(buf, rs, rt, sh) +# define UASM_i_SRL_SAFE(buf, rs, rt, sh) uasm_i_dsrl_safe(buf, rs, rt, sh) +# define UASM_i_SUBU(buf, rs, rt, rd) uasm_i_dsubu(buf, rs, rt, rd) +# define UASM_i_SW(buf, rs, rt, off) uasm_i_sd(buf, rs, rt, off) +#else +# define UASM_i_ADDIU(buf, rs, rt, val) uasm_i_addiu(buf, rs, rt, val) +# define UASM_i_ADDU(buf, rs, rt, rd) uasm_i_addu(buf, rs, rt, rd) +# define UASM_i_LL(buf, rs, rt, off) uasm_i_ll(buf, rs, rt, off) +# define UASM_i_LW(buf, rs, rt, off) uasm_i_lw(buf, rs, rt, off) +# define UASM_i_LWX(buf, rs, rt, rd) uasm_i_lwx(buf, rs, rt, rd) +# define UASM_i_MFC0(buf, rt, rd...) uasm_i_mfc0(buf, rt, rd) +# define UASM_i_MTC0(buf, rt, rd...) uasm_i_mtc0(buf, rt, rd) +# define UASM_i_ROTR(buf, rs, rt, sh) uasm_i_rotr(buf, rs, rt, sh) +# define UASM_i_SC(buf, rs, rt, off) uasm_i_sc(buf, rs, rt, off) +# define UASM_i_SLL(buf, rs, rt, sh) uasm_i_sll(buf, rs, rt, sh) +# define UASM_i_SRA(buf, rs, rt, sh) uasm_i_sra(buf, rs, rt, sh) +# define UASM_i_SRL(buf, rs, rt, sh) uasm_i_srl(buf, rs, rt, sh) +# define UASM_i_SRL_SAFE(buf, rs, rt, sh) uasm_i_srl(buf, rs, rt, sh) +# define UASM_i_SUBU(buf, rs, rt, rd) uasm_i_subu(buf, rs, rt, rd) +# define UASM_i_SW(buf, rs, rt, off) uasm_i_sw(buf, rs, rt, off) +#endif + +#define uasm_i_b(buf, off) uasm_i_beq(buf, 0, 0, off) +#define uasm_i_beqz(buf, rs, off) uasm_i_beq(buf, rs, 0, off) +#define uasm_i_beqzl(buf, rs, off) uasm_i_beql(buf, rs, 0, off) +#define uasm_i_bnez(buf, rs, off) uasm_i_bne(buf, rs, 0, off) +#define uasm_i_bnezl(buf, rs, off) uasm_i_bnel(buf, rs, 0, off) +#define uasm_i_ehb(buf) uasm_i_sll(buf, 0, 0, 3) +#define uasm_i_move(buf, a, b) UASM_i_ADDU(buf, a, 0, b) +#ifdef CONFIG_CPU_NOP_WORKAROUNDS +#define uasm_i_nop(buf) uasm_i_or(buf, 1, 1, 0) +#else +#define uasm_i_nop(buf) uasm_i_sll(buf, 0, 0, 0) +#endif +#define uasm_i_ssnop(buf) uasm_i_sll(buf, 0, 0, 1) + +static inline void uasm_i_drotr_safe(u32 **p, unsigned int a1, + unsigned int a2, unsigned int a3) +{ + if (a3 < 32) + uasm_i_drotr(p, a1, a2, a3); + else + uasm_i_drotr32(p, a1, a2, a3 - 32); +} + +static inline void uasm_i_dsll_safe(u32 **p, unsigned int a1, + unsigned int a2, unsigned int a3) +{ + if (a3 < 32) + uasm_i_dsll(p, a1, a2, a3); + else + uasm_i_dsll32(p, a1, a2, a3 - 32); +} + +static inline void uasm_i_dsrl_safe(u32 **p, unsigned int a1, + unsigned int a2, unsigned int a3) +{ + if (a3 < 32) + uasm_i_dsrl(p, a1, a2, a3); + else + uasm_i_dsrl32(p, a1, a2, a3 - 32); +} + +static inline void uasm_i_dsra_safe(u32 **p, unsigned int a1, + unsigned int a2, unsigned int a3) +{ + if (a3 < 32) + uasm_i_dsra(p, a1, a2, a3); + else + uasm_i_dsra32(p, a1, a2, a3 - 32); +} + +/* Handle relocations. */ +struct uasm_reloc { + u32 *addr; + unsigned int type; + int lab; +}; + +/* This is zero so we can use zeroed label arrays. */ +#define UASM_LABEL_INVALID 0 + +void uasm_r_mips_pc16(struct uasm_reloc **rel, u32 *addr, int lid); +void uasm_resolve_relocs(struct uasm_reloc *rel, struct uasm_label *lab); +void uasm_move_relocs(struct uasm_reloc *rel, u32 *first, u32 *end, long off); +void uasm_move_labels(struct uasm_label *lab, u32 *first, u32 *end, long off); +void uasm_copy_handler(struct uasm_reloc *rel, struct uasm_label *lab, + u32 *first, u32 *end, u32 *target); +int uasm_insn_has_bdelay(struct uasm_reloc *rel, u32 *addr); + +/* Convenience functions for labeled branches. */ +void uasm_il_b(u32 **p, struct uasm_reloc **r, int lid); +void uasm_il_bbit0(u32 **p, struct uasm_reloc **r, unsigned int reg, + unsigned int bit, int lid); +void uasm_il_bbit1(u32 **p, struct uasm_reloc **r, unsigned int reg, + unsigned int bit, int lid); +void uasm_il_beq(u32 **p, struct uasm_reloc **r, unsigned int r1, + unsigned int r2, int lid); +void uasm_il_beqz(u32 **p, struct uasm_reloc **r, unsigned int reg, int lid); +void uasm_il_beqzl(u32 **p, struct uasm_reloc **r, unsigned int reg, int lid); +void uasm_il_bgezl(u32 **p, struct uasm_reloc **r, unsigned int reg, int lid); +void uasm_il_bgez(u32 **p, struct uasm_reloc **r, unsigned int reg, int lid); +void uasm_il_bltz(u32 **p, struct uasm_reloc **r, unsigned int reg, int lid); +void uasm_il_bne(u32 **p, struct uasm_reloc **r, unsigned int reg1, + unsigned int reg2, int lid); +void uasm_il_bnez(u32 **p, struct uasm_reloc **r, unsigned int reg, int lid); + +#endif /* __ASM_UASM_H */ |