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tcg/aarch64: use 32-bit offset for 32-bit softmmu emulation

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Similar to the same fix for user-mode, except this instance
occurs on the softmmu path. Again, the tlb addend must be
the base register, while the guest address is the index.

Backports commit 80adb8fcad4778376a11d394a9e01516819e2327 from qemu
This commit is contained in:
Richard Henderson 2018-02-10 20:58:44 -05:00 committed by Lioncash
parent cfc9356a8e
commit f5e38ea71e
No known key found for this signature in database
GPG key ID: 4E3C3CC1031BA9C7
1 changed files with 6 additions and 6 deletions
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12
qemu/tcg/aarch64/tcg-target.c
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@ -1204,18 +1204,18 @@ static void tcg_out_qemu_ld(TCGContext *s, TCGReg data_reg, TCGReg addr_reg,
TCGMemOpIdx oi, TCGType ext)
{
TCGMemOp memop = get_memop(oi);
const TCGType otype = TARGET_LONG_BITS == 64 ? TCG_TYPE_I64 : TCG_TYPE_I32;
#ifdef CONFIG_SOFTMMU
unsigned mem_index = get_mmuidx(oi);
TCGMemOp s_bits = memop & MO_SIZE;
tcg_insn_unit *label_ptr;
tcg_out_tlb_read(s, addr_reg, s_bits, &label_ptr, mem_index, 1);
tcg_out_qemu_ld_direct(s, memop, ext, data_reg, addr_reg,
TCG_TYPE_I64, TCG_REG_X1);
tcg_out_qemu_ld_direct(s, memop, ext, data_reg,
TCG_REG_X1, otype, addr_reg);
add_qemu_ldst_label(s, true, oi, ext, data_reg, addr_reg,
s->code_ptr, label_ptr);
#else /* !CONFIG_SOFTMMU */
const TCGType otype = TARGET_LONG_BITS == 64 ? TCG_TYPE_I64 : TCG_TYPE_I32;
tcg_out_qemu_ld_direct(s, memop, ext, data_reg,
GUEST_BASE ? TCG_REG_GUEST_BASE : TCG_REG_XZR,
otype, addr_reg);
@ -1226,18 +1226,18 @@ static void tcg_out_qemu_st(TCGContext *s, TCGReg data_reg, TCGReg addr_reg,
TCGMemOpIdx oi)
{
TCGMemOp memop = get_memop(oi);
const TCGType otype = TARGET_LONG_BITS == 64 ? TCG_TYPE_I64 : TCG_TYPE_I32;
#ifdef CONFIG_SOFTMMU
unsigned mem_index = get_mmuidx(oi);
TCGMemOp s_bits = memop & MO_SIZE;
tcg_insn_unit *label_ptr;
tcg_out_tlb_read(s, addr_reg, s_bits, &label_ptr, mem_index, 0);
tcg_out_qemu_st_direct(s, memop, data_reg, addr_reg,
TCG_TYPE_I64, TCG_REG_X1);
tcg_out_qemu_st_direct(s, memop, data_reg,
TCG_REG_X1, otype, addr_reg);
add_qemu_ldst_label(s, false, oi, s_bits == MO_64, data_reg, addr_reg,
s->code_ptr, label_ptr);
#else /* !CONFIG_SOFTMMU */
const TCGType otype = TARGET_LONG_BITS == 64 ? TCG_TYPE_I64 : TCG_TYPE_I32;
tcg_out_qemu_st_direct(s, memop, data_reg,
GUEST_BASE ? TCG_REG_GUEST_BASE : TCG_REG_XZR,
otype, addr_reg);