diff options
Diffstat (limited to 'tcg/mips/tcg-target.c.inc')
| -rw-r--r-- | tcg/mips/tcg-target.c.inc | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/tcg/mips/tcg-target.c.inc b/tcg/mips/tcg-target.c.inc index 3274d9aace..9faa8bdf0b 100644 --- a/tcg/mips/tcg-target.c.inc +++ b/tcg/mips/tcg-target.c.inc @@ -1254,6 +1254,9 @@ bool tcg_target_has_memory_bswap(MemOp memop) return false; } +/* We expect to use a 16-bit negative offset from ENV. */ +#define MIN_TLB_MASK_TABLE_OFS -32768 + /* * For softmmu, perform the TLB load and compare. * For useronly, perform any required alignment tests. @@ -1279,7 +1282,7 @@ static TCGLabelQemuLdst *prepare_host_addr(TCGContext *s, HostAddress *h, #ifdef CONFIG_SOFTMMU unsigned s_mask = (1 << s_bits) - 1; int mem_index = get_mmuidx(oi); - int fast_off = TLB_MASK_TABLE_OFS(mem_index); + int fast_off = tlb_mask_table_ofs(s, mem_index); int mask_off = fast_off + offsetof(CPUTLBDescFast, mask); int table_off = fast_off + offsetof(CPUTLBDescFast, table); int add_off = offsetof(CPUTLBEntry, addend); @@ -1293,8 +1296,6 @@ static TCGLabelQemuLdst *prepare_host_addr(TCGContext *s, HostAddress *h, ldst->addrhi_reg = addrhi; /* Load tlb_mask[mmu_idx] and tlb_table[mmu_idx]. */ - QEMU_BUILD_BUG_ON(TLB_MASK_TABLE_OFS(0) > 0); - QEMU_BUILD_BUG_ON(TLB_MASK_TABLE_OFS(0) < -32768); tcg_out_ld(s, TCG_TYPE_PTR, TCG_TMP0, TCG_AREG0, mask_off); tcg_out_ld(s, TCG_TYPE_PTR, TCG_TMP1, TCG_AREG0, table_off); @@ -1311,14 +1312,17 @@ static TCGLabelQemuLdst *prepare_host_addr(TCGContext *s, HostAddress *h, /* Add the tlb_table pointer, creating the CPUTLBEntry address in TMP3. */ tcg_out_opc_reg(s, ALIAS_PADD, TCG_TMP3, TCG_TMP3, TCG_TMP1); + if (TCG_TARGET_REG_BITS == 32 || addr_type == TCG_TYPE_I32) { + /* Load the (low half) tlb comparator. */ + tcg_out_ld(s, TCG_TYPE_I32, TCG_TMP0, TCG_TMP3, + cmp_off + HOST_BIG_ENDIAN * 4); + } else { + tcg_out_ld(s, TCG_TYPE_I64, TCG_TMP0, TCG_TMP3, cmp_off); + } + if (TCG_TARGET_REG_BITS == 64 || addr_type == TCG_TYPE_I32) { - /* Load the tlb comparator. */ - tcg_out_ld(s, addr_type, TCG_TMP0, TCG_TMP3, cmp_off); /* Load the tlb addend for the fast path. */ tcg_out_ld(s, TCG_TYPE_PTR, TCG_TMP3, TCG_TMP3, add_off); - } else { - /* Load the low half of the tlb comparator. */ - tcg_out_ldst(s, OPC_LW, TCG_TMP0, TCG_TMP3, cmp_off + LO_OFF); } /* |