--- qemu/tcg/mips/tcg-target.c 2018/04/24 18:34:56 1.1.1.5 +++ qemu/tcg/mips/tcg-target.c 2018/04/24 19:35:47 1.1.1.8 @@ -379,13 +379,14 @@ static inline void tcg_out_nop(TCGContex tcg_out32(s, 0); } -static inline void tcg_out_mov(TCGContext *s, TCGType type, int ret, int arg) +static inline void tcg_out_mov(TCGContext *s, TCGType type, + TCGReg ret, TCGReg arg) { tcg_out_opc_reg(s, OPC_ADDU, ret, arg, TCG_REG_ZERO); } static inline void tcg_out_movi(TCGContext *s, TCGType type, - int reg, int32_t arg) + TCGReg reg, tcg_target_long arg) { if (arg == (int16_t)arg) { tcg_out_opc_imm(s, OPC_ADDIU, reg, TCG_REG_ZERO, arg); @@ -480,14 +481,14 @@ static inline void tcg_out_ldst(TCGConte } } -static inline void tcg_out_ld(TCGContext *s, TCGType type, int arg, - int arg1, tcg_target_long arg2) +static inline void tcg_out_ld(TCGContext *s, TCGType type, TCGReg arg, + TCGReg arg1, tcg_target_long arg2) { tcg_out_ldst(s, OPC_LW, arg, arg1, arg2); } -static inline void tcg_out_st(TCGContext *s, TCGType type, int arg, - int arg1, tcg_target_long arg2) +static inline void tcg_out_st(TCGContext *s, TCGType type, TCGReg arg, + TCGReg arg1, tcg_target_long arg2) { tcg_out_ldst(s, OPC_SW, arg, arg1, arg2); } @@ -749,6 +750,27 @@ static void tcg_out_setcond2(TCGContext #include "../../softmmu_defs.h" +#ifdef CONFIG_TCG_PASS_AREG0 +/* helper signature: helper_ld_mmu(CPUState *env, target_ulong addr, + int mmu_idx) */ +static const void * const qemu_ld_helpers[4] = { + helper_ldb_mmu, + helper_ldw_mmu, + helper_ldl_mmu, + helper_ldq_mmu, +}; + +/* helper signature: helper_st_mmu(CPUState *env, target_ulong addr, + uintxx_t val, int mmu_idx) */ +static const void * const qemu_st_helpers[4] = { + helper_stb_mmu, + helper_stw_mmu, + helper_stl_mmu, + helper_stq_mmu, +}; +#else +/* legacy helper signature: __ld_mmu(target_ulong addr, int + mmu_idx) */ static void *qemu_ld_helpers[4] = { __ldb_mmu, __ldw_mmu, @@ -756,6 +778,8 @@ static void *qemu_ld_helpers[4] = { __ldq_mmu, }; +/* legacy helper signature: __st_mmu(target_ulong addr, uintxx_t val, + int mmu_idx) */ static void *qemu_st_helpers[4] = { __stb_mmu, __stw_mmu, @@ -763,6 +787,7 @@ static void *qemu_st_helpers[4] = { __stq_mmu, }; #endif +#endif static void tcg_out_qemu_ld(TCGContext *s, const TCGArg *args, int opc) @@ -826,7 +851,7 @@ static void tcg_out_qemu_ld(TCGContext * tcg_out_opc_imm(s, OPC_ANDI, TCG_REG_A0, TCG_REG_A0, (CPU_TLB_SIZE - 1) << CPU_TLB_ENTRY_BITS); tcg_out_opc_reg(s, OPC_ADDU, TCG_REG_A0, TCG_REG_A0, TCG_AREG0); tcg_out_opc_imm(s, OPC_LW, TCG_REG_AT, TCG_REG_A0, - offsetof(CPUState, tlb_table[mem_index][0].addr_read) + addr_meml); + offsetof(CPUArchState, tlb_table[mem_index][0].addr_read) + addr_meml); tcg_out_movi(s, TCG_TYPE_I32, TCG_REG_T0, TARGET_PAGE_MASK | ((1 << s_bits) - 1)); tcg_out_opc_reg(s, OPC_AND, TCG_REG_T0, TCG_REG_T0, addr_regl); @@ -836,7 +861,7 @@ static void tcg_out_qemu_ld(TCGContext * tcg_out_nop(s); tcg_out_opc_imm(s, OPC_LW, TCG_REG_AT, TCG_REG_A0, - offsetof(CPUState, tlb_table[mem_index][0].addr_read) + addr_memh); + offsetof(CPUArchState, tlb_table[mem_index][0].addr_read) + addr_memh); label1_ptr = s->code_ptr; tcg_out_opc_br(s, OPC_BEQ, addr_regh, TCG_REG_AT); @@ -857,6 +882,15 @@ static void tcg_out_qemu_ld(TCGContext * # endif tcg_out_movi(s, TCG_TYPE_I32, sp_args++, mem_index); tcg_out_movi(s, TCG_TYPE_I32, TCG_REG_T9, (tcg_target_long)qemu_ld_helpers[s_bits]); +#ifdef CONFIG_TCG_PASS_AREG0 + /* XXX/FIXME: suboptimal and incorrect for 64 on 32 bit */ + tcg_out_mov(s, TCG_TYPE_I32, tcg_target_call_iarg_regs[2], + tcg_target_call_iarg_regs[1]); + tcg_out_mov(s, TCG_TYPE_TL, tcg_target_call_iarg_regs[1], + tcg_target_call_iarg_regs[0]); + tcg_out_mov(s, TCG_TYPE_PTR, tcg_target_call_iarg_regs[0], + TCG_AREG0); +#endif tcg_out_opc_reg(s, OPC_JALR, TCG_REG_RA, TCG_REG_T9, 0); tcg_out_nop(s); @@ -892,7 +926,7 @@ static void tcg_out_qemu_ld(TCGContext * reloc_pc16(label1_ptr, (tcg_target_long) s->code_ptr); tcg_out_opc_imm(s, OPC_LW, TCG_REG_A0, TCG_REG_A0, - offsetof(CPUState, tlb_table[mem_index][0].addend)); + offsetof(CPUArchState, tlb_table[mem_index][0].addend)); tcg_out_opc_reg(s, OPC_ADDU, TCG_REG_V0, TCG_REG_A0, addr_regl); #else if (GUEST_BASE == (int16_t)GUEST_BASE) { @@ -1012,7 +1046,7 @@ static void tcg_out_qemu_st(TCGContext * tcg_out_opc_imm(s, OPC_ANDI, TCG_REG_A0, TCG_REG_A0, (CPU_TLB_SIZE - 1) << CPU_TLB_ENTRY_BITS); tcg_out_opc_reg(s, OPC_ADDU, TCG_REG_A0, TCG_REG_A0, TCG_AREG0); tcg_out_opc_imm(s, OPC_LW, TCG_REG_AT, TCG_REG_A0, - offsetof(CPUState, tlb_table[mem_index][0].addr_write) + addr_meml); + offsetof(CPUArchState, tlb_table[mem_index][0].addr_write) + addr_meml); tcg_out_movi(s, TCG_TYPE_I32, TCG_REG_T0, TARGET_PAGE_MASK | ((1 << s_bits) - 1)); tcg_out_opc_reg(s, OPC_AND, TCG_REG_T0, TCG_REG_T0, addr_regl); @@ -1022,7 +1056,7 @@ static void tcg_out_qemu_st(TCGContext * tcg_out_nop(s); tcg_out_opc_imm(s, OPC_LW, TCG_REG_AT, TCG_REG_A0, - offsetof(CPUState, tlb_table[mem_index][0].addr_write) + addr_memh); + offsetof(CPUArchState, tlb_table[mem_index][0].addr_write) + addr_memh); label1_ptr = s->code_ptr; tcg_out_opc_br(s, OPC_BEQ, addr_regh, TCG_REG_AT); @@ -1068,6 +1102,17 @@ static void tcg_out_qemu_st(TCGContext * } tcg_out_movi(s, TCG_TYPE_I32, TCG_REG_T9, (tcg_target_long)qemu_st_helpers[s_bits]); +#ifdef CONFIG_TCG_PASS_AREG0 + /* XXX/FIXME: suboptimal and incorrect for 64 on 32 bit */ + tcg_out_mov(s, TCG_TYPE_I32, tcg_target_call_iarg_regs[3], + tcg_target_call_iarg_regs[2]); + tcg_out_mov(s, TCG_TYPE_I64, tcg_target_call_iarg_regs[2], + tcg_target_call_iarg_regs[1]); + tcg_out_mov(s, TCG_TYPE_TL, tcg_target_call_iarg_regs[1], + tcg_target_call_iarg_regs[0]); + tcg_out_mov(s, TCG_TYPE_PTR, tcg_target_call_iarg_regs[0], + TCG_AREG0); +#endif tcg_out_opc_reg(s, OPC_JALR, TCG_REG_RA, TCG_REG_T9, 0); tcg_out_nop(s); @@ -1079,7 +1124,7 @@ static void tcg_out_qemu_st(TCGContext * reloc_pc16(label1_ptr, (tcg_target_long) s->code_ptr); tcg_out_opc_imm(s, OPC_LW, TCG_REG_A0, TCG_REG_A0, - offsetof(CPUState, tlb_table[mem_index][0].addend)); + offsetof(CPUArchState, tlb_table[mem_index][0].addend)); tcg_out_opc_reg(s, OPC_ADDU, TCG_REG_A0, TCG_REG_A0, addr_regl); #else if (GUEST_BASE == (int16_t)GUEST_BASE) { @@ -1452,9 +1497,7 @@ static const TCGTargetOpDef mips_op_defs }; static int tcg_target_callee_save_regs[] = { -#if 0 /* used for the global env (TCG_AREG0), so no need to save */ - TCG_REG_S0, -#endif + TCG_REG_S0, /* used for the global env (TCG_AREG0) */ TCG_REG_S1, TCG_REG_S2, TCG_REG_S3, @@ -1486,8 +1529,8 @@ static void tcg_target_qemu_prologue(TCG } /* Call generated code */ - tcg_out_opc_reg(s, OPC_JR, 0, TCG_REG_A0, 0); - tcg_out_nop(s); + tcg_out_opc_reg(s, OPC_JR, 0, tcg_target_call_iarg_regs[1], 0); + tcg_out_mov(s, TCG_TYPE_PTR, TCG_AREG0, tcg_target_call_iarg_regs[0]); tb_ret_addr = s->code_ptr; /* TB epilogue */ @@ -1530,4 +1573,6 @@ static void tcg_target_init(TCGContext * tcg_regset_set_reg(s->reserved_regs, TCG_REG_SP); /* stack pointer */ tcg_add_target_add_op_defs(mips_op_defs); + tcg_set_frame(s, TCG_AREG0, offsetof(CPUArchState, temp_buf), + CPU_TEMP_BUF_NLONGS * sizeof(long)); }