diff options
Diffstat (limited to 'tcg/aarch64/tcg-target.inc.c')
| -rw-r--r-- | tcg/aarch64/tcg-target.inc.c | 29 |
1 files changed, 6 insertions, 23 deletions
diff --git a/tcg/aarch64/tcg-target.inc.c b/tcg/aarch64/tcg-target.inc.c index 90957593a3..57c297f9d7 100644 --- a/tcg/aarch64/tcg-target.inc.c +++ b/tcg/aarch64/tcg-target.inc.c @@ -1637,9 +1637,9 @@ static void add_qemu_ldst_label(TCGContext *s, bool is_ld, TCGMemOpIdx oi, label->label_ptr[0] = label_ptr; } -/* We expect to use a 24-bit unsigned offset from ENV. */ -QEMU_BUILD_BUG_ON(offsetof(CPUArchState, tlb_.f[NB_MMU_MODES - 1].table) - > 0xffffff); +/* We expect to use a 7-bit scaled negative offset from ENV. */ +QEMU_BUILD_BUG_ON(TLB_MASK_TABLE_OFS(0) > 0); +QEMU_BUILD_BUG_ON(TLB_MASK_TABLE_OFS(0) < -512); /* Load and compare a TLB entry, emitting the conditional jump to the slow path for the failure case, which will be patched later when finalizing @@ -1649,8 +1649,9 @@ static void tcg_out_tlb_read(TCGContext *s, TCGReg addr_reg, TCGMemOp opc, tcg_insn_unit **label_ptr, int mem_index, bool is_read) { - int mask_ofs = offsetof(CPUArchState, tlb_.f[mem_index].mask); - int table_ofs = offsetof(CPUArchState, tlb_.f[mem_index].table); + int fast_ofs = TLB_MASK_TABLE_OFS(mem_index); + int mask_ofs = fast_ofs + offsetof(CPUTLBDescFast, mask); + int table_ofs = fast_ofs + offsetof(CPUTLBDescFast, table); unsigned a_bits = get_alignment_bits(opc); unsigned s_bits = opc & MO_SIZE; unsigned a_mask = (1u << a_bits) - 1; @@ -1659,24 +1660,6 @@ static void tcg_out_tlb_read(TCGContext *s, TCGReg addr_reg, TCGMemOp opc, TCGType mask_type; uint64_t compare_mask; - if (table_ofs > 0xfff) { - int table_hi = table_ofs & ~0xfff; - int mask_hi = mask_ofs & ~0xfff; - - table_base = TCG_REG_X1; - if (mask_hi == table_hi) { - mask_base = table_base; - } else if (mask_hi) { - mask_base = TCG_REG_X0; - tcg_out_insn(s, 3401, ADDI, TCG_TYPE_I64, - mask_base, TCG_AREG0, mask_hi); - } - tcg_out_insn(s, 3401, ADDI, TCG_TYPE_I64, - table_base, TCG_AREG0, table_hi); - mask_ofs -= mask_hi; - table_ofs -= table_hi; - } - mask_type = (TARGET_PAGE_BITS + CPU_TLB_DYN_MAX_BITS > 32 ? TCG_TYPE_I64 : TCG_TYPE_I32); |