diff options
Diffstat (limited to 'tcg/mips/tcg-target.c')
| -rw-r--r-- | tcg/mips/tcg-target.c | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/tcg/mips/tcg-target.c b/tcg/mips/tcg-target.c index c6aa5bced5..393ba07f25 100644 --- a/tcg/mips/tcg-target.c +++ b/tcg/mips/tcg-target.c @@ -750,6 +750,27 @@ static void tcg_out_setcond2(TCGContext *s, TCGCond cond, int ret, #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, @@ -757,6 +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, @@ -764,6 +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) @@ -858,6 +882,15 @@ static void tcg_out_qemu_ld(TCGContext *s, const TCGArg *args, # 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); @@ -1069,6 +1102,17 @@ static void tcg_out_qemu_st(TCGContext *s, const TCGArg *args, } 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); |