diff options
Diffstat (limited to 'tcg/arm/tcg-target.c')
| -rw-r--r-- | tcg/arm/tcg-target.c | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/tcg/arm/tcg-target.c b/tcg/arm/tcg-target.c index 5af21b3f5d..4d59a63855 100644 --- a/tcg/arm/tcg-target.c +++ b/tcg/arm/tcg-target.c @@ -929,6 +929,27 @@ static inline void tcg_out_goto_label(TCGContext *s, int cond, int label_index) #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, @@ -936,6 +957,8 @@ 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, @@ -943,6 +966,7 @@ static void *qemu_st_helpers[4] = { __stq_mmu, }; #endif +#endif #define TLB_SHIFT (CPU_TLB_ENTRY_BITS + CPU_TLB_BITS) @@ -1075,6 +1099,19 @@ static inline void tcg_out_qemu_ld(TCGContext *s, const TCGArg *args, int opc) TCG_REG_R1, 0, addr_reg2, SHIFT_IMM_LSL(0)); tcg_out_dat_imm(s, COND_AL, ARITH_MOV, TCG_REG_R2, 0, mem_index); # endif +#ifdef CONFIG_TCG_PASS_AREG0 + /* XXX/FIXME: suboptimal and incorrect for 64 bit */ + tcg_out_dat_reg(s, COND_AL, ARITH_MOV, + tcg_target_call_iarg_regs[2], 0, + tcg_target_call_iarg_regs[1], SHIFT_IMM_LSL(0)); + tcg_out_dat_reg(s, COND_AL, ARITH_MOV, + tcg_target_call_iarg_regs[1], 0, + tcg_target_call_iarg_regs[0], SHIFT_IMM_LSL(0)); + + tcg_out_dat_reg(s, COND_AL, ARITH_MOV, + tcg_target_call_iarg_regs[0], 0, TCG_AREG0, + SHIFT_IMM_LSL(0)); +#endif tcg_out_call(s, (tcg_target_long) qemu_ld_helpers[s_bits]); switch (opc) { @@ -1341,6 +1378,22 @@ static inline void tcg_out_qemu_st(TCGContext *s, const TCGArg *args, int opc) } # endif +#ifdef CONFIG_TCG_PASS_AREG0 + /* XXX/FIXME: suboptimal and incorrect for 64 bit */ + tcg_out_dat_reg(s, COND_AL, ARITH_MOV, + tcg_target_call_iarg_regs[3], 0, + tcg_target_call_iarg_regs[2], SHIFT_IMM_LSL(0)); + tcg_out_dat_reg(s, COND_AL, ARITH_MOV, + tcg_target_call_iarg_regs[2], 0, + tcg_target_call_iarg_regs[1], SHIFT_IMM_LSL(0)); + tcg_out_dat_reg(s, COND_AL, ARITH_MOV, + tcg_target_call_iarg_regs[1], 0, + tcg_target_call_iarg_regs[0], SHIFT_IMM_LSL(0)); + + tcg_out_dat_reg(s, COND_AL, ARITH_MOV, + tcg_target_call_iarg_regs[0], 0, TCG_AREG0, + SHIFT_IMM_LSL(0)); +#endif tcg_out_call(s, (tcg_target_long) qemu_st_helpers[s_bits]); if (opc == 3) tcg_out_dat_imm(s, COND_AL, ARITH_ADD, TCG_REG_R13, TCG_REG_R13, 0x10); |