/* * 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) */ #include #define Ip_u1u2u3(op) \ void __cpuinit \ uasm_i##op(u32 **buf, unsigned int a, unsigned int b, unsigned int c) #define Ip_u2u1u3(op) \ void __cpuinit \ uasm_i##op(u32 **buf, unsigned int a, unsigned int b, unsigned int c) #define Ip_u3u1u2(op) \ void __cpuinit \ uasm_i##op(u32 **buf, unsigned int a, unsigned int b, unsigned int c) #define Ip_u1u2s3(op) \ void __cpuinit \ uasm_i##op(u32 **buf, unsigned int a, unsigned int b, signed int c) #define Ip_u2s3u1(op) \ void __cpuinit \ uasm_i##op(u32 **buf, unsigned int a, signed int b, unsigned int c) #define Ip_u2u1s3(op) \ void __cpuinit \ uasm_i##op(u32 **buf, unsigned int a, unsigned int b, signed int c) #define Ip_u1u2(op) \ void __cpuinit uasm_i##op(u32 **buf, unsigned int a, unsigned int b) #define Ip_u1s2(op) \ void __cpuinit uasm_i##op(u32 **buf, unsigned int a, signed int b) #define Ip_u1(op) void __cpuinit uasm_i##op(u32 **buf, unsigned int a) #define Ip_0(op) void __cpuinit uasm_i##op(u32 **buf) Ip_u2u1s3(_addiu); Ip_u3u1u2(_addu); Ip_u2u1u3(_andi); Ip_u3u1u2(_and); Ip_u1u2s3(_beq); Ip_u1u2s3(_beql); Ip_u1s2(_bgez); Ip_u1s2(_bgezl); Ip_u1s2(_bltz); Ip_u1s2(_bltzl); Ip_u1u2s3(_bne); Ip_u2s3u1(_cache); Ip_u1u2u3(_dmfc0); Ip_u1u2u3(_dmtc0); Ip_u2u1s3(_daddiu); Ip_u3u1u2(_daddu); Ip_u2u1u3(_dsll); Ip_u2u1u3(_dsll32); Ip_u2u1u3(_dsra); Ip_u2u1u3(_dsrl); Ip_u2u1u3(_dsrl32); Ip_u3u1u2(_dsubu); Ip_0(_eret); Ip_u1(_j); Ip_u1(_jal); Ip_u1(_jr); Ip_u2s3u1(_ld); Ip_u2s3u1(_ll); Ip_u2s3u1(_lld); Ip_u1s2(_lui); Ip_u2s3u1(_lw); Ip_u1u2u3(_mfc0); Ip_u1u2u3(_mtc0); Ip_u2u1u3(_ori); Ip_u2s3u1(_pref); Ip_0(_rfe); Ip_u2s3u1(_sc); Ip_u2s3u1(_scd); Ip_u2s3u1(_sd); Ip_u2u1u3(_sll); Ip_u2u1u3(_sra); Ip_u2u1u3(_srl); Ip_u3u1u2(_subu); Ip_u2s3u1(_sw); Ip_0(_tlbp); Ip_0(_tlbwi); Ip_0(_tlbwr); Ip_u3u1u2(_xor); Ip_u2u1u3(_xori); /* Handle labels. */ struct uasm_label { u32 *addr; int lab; }; void __cpuinit 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 __cpuinit 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_LW(buf, rs, rt, off) uasm_i_ld(buf, rs, rt, off) # define UASM_i_SW(buf, rs, rt, off) uasm_i_sd(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_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_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_SUBU(buf, rs, rt, rd) uasm_i_dsubu(buf, rs, rt, rd) # define UASM_i_LL(buf, rs, rt, off) uasm_i_lld(buf, rs, rt, off) # define UASM_i_SC(buf, rs, rt, off) uasm_i_scd(buf, rs, rt, off) #else # define UASM_i_LW(buf, rs, rt, off) uasm_i_lw(buf, rs, rt, off) # define UASM_i_SW(buf, rs, rt, off) uasm_i_sw(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_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_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_SUBU(buf, rs, rt, rd) uasm_i_subu(buf, rs, rt, rd) # define UASM_i_LL(buf, rs, rt, off) uasm_i_ll(buf, rs, rt, off) # define UASM_i_SC(buf, rs, rt, off) uasm_i_sc(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_move(buf, a, b) UASM_i_ADDU(buf, a, 0, b) #define uasm_i_nop(buf) uasm_i_sll(buf, 0, 0, 0) #define uasm_i_ssnop(buf) uasm_i_sll(buf, 0, 0, 1) #define uasm_i_ehb(buf) uasm_i_sll(buf, 0, 0, 3) /* 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_bltz(u32 **p, struct uasm_reloc **r, unsigned int reg, int lid); void uasm_il_b(u32 **p, struct uasm_reloc **r, 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_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); 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);