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synced 2024-11-24 03:13:44 +08:00
tcg: Mask TCGMemOp appropriately for indexing
The addition of MO_AMASK means that places that used inverted masks need to be changed to use positive masks, and places that failed to mask the intended bits need updating. Reviewed-by: Yongbok Kim <yongbok.kim@imgtec.com> Tested-by: Yongbok Kim <yongbok.kim@imgtec.com> Signed-off-by: Richard Henderson <rth@twiddle.net>
This commit is contained in:
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44ee94e486
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2b7ec66f02
@ -1004,7 +1004,7 @@ static void tcg_out_qemu_ld_slow_path(TCGContext *s, TCGLabelQemuLdst *lb)
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tcg_out_mov(s, TARGET_LONG_BITS == 64, TCG_REG_X1, lb->addrlo_reg);
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tcg_out_movi(s, TCG_TYPE_I32, TCG_REG_X2, oi);
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tcg_out_adr(s, TCG_REG_X3, lb->raddr);
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tcg_out_call(s, qemu_ld_helpers[opc & ~MO_SIGN]);
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tcg_out_call(s, qemu_ld_helpers[opc & (MO_BSWAP | MO_SIZE)]);
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if (opc & MO_SIGN) {
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tcg_out_sxt(s, lb->type, size, lb->datalo_reg, TCG_REG_X0);
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} else {
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@ -1027,7 +1027,7 @@ static void tcg_out_qemu_st_slow_path(TCGContext *s, TCGLabelQemuLdst *lb)
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tcg_out_mov(s, size == MO_64, TCG_REG_X2, lb->datalo_reg);
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tcg_out_movi(s, TCG_TYPE_I32, TCG_REG_X3, oi);
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tcg_out_adr(s, TCG_REG_X4, lb->raddr);
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tcg_out_call(s, qemu_st_helpers[opc]);
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tcg_out_call(s, qemu_st_helpers[opc & (MO_BSWAP | MO_SIZE)]);
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tcg_out_goto(s, lb->raddr);
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}
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@ -1260,9 +1260,9 @@ static void tcg_out_qemu_ld_slow_path(TCGContext *s, TCGLabelQemuLdst *lb)
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icache usage. For pre-armv6, use the signed helpers since we do
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not have a single insn sign-extend. */
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if (use_armv6_instructions) {
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func = qemu_ld_helpers[opc & ~MO_SIGN];
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func = qemu_ld_helpers[opc & (MO_BSWAP | MO_SIZE)];
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} else {
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func = qemu_ld_helpers[opc];
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func = qemu_ld_helpers[opc & (MO_BSWAP | MO_SSIZE)];
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if (opc & MO_SIGN) {
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opc = MO_UL;
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}
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@ -1337,7 +1337,7 @@ static void tcg_out_qemu_st_slow_path(TCGContext *s, TCGLabelQemuLdst *lb)
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argreg = tcg_out_arg_reg32(s, argreg, TCG_REG_R14);
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/* Tail-call to the helper, which will return to the fast path. */
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tcg_out_goto(s, COND_AL, qemu_st_helpers[opc]);
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tcg_out_goto(s, COND_AL, qemu_st_helpers[opc & (MO_BSWAP | MO_SIZE)]);
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}
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#endif /* SOFTMMU */
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@ -1307,7 +1307,7 @@ static void tcg_out_qemu_ld_slow_path(TCGContext *s, TCGLabelQemuLdst *l)
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(uintptr_t)l->raddr);
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}
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tcg_out_call(s, qemu_ld_helpers[opc & ~MO_SIGN]);
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tcg_out_call(s, qemu_ld_helpers[opc & (MO_BSWAP | MO_SIZE)]);
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data_reg = l->datalo_reg;
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switch (opc & MO_SSIZE) {
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@ -1413,7 +1413,7 @@ static void tcg_out_qemu_st_slow_path(TCGContext *s, TCGLabelQemuLdst *l)
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/* "Tail call" to the helper, with the return address back inline. */
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tcg_out_push(s, retaddr);
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tcg_out_jmp(s, qemu_st_helpers[opc]);
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tcg_out_jmp(s, qemu_st_helpers[opc & (MO_BSWAP | MO_SIZE)]);
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}
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#elif defined(__x86_64__) && defined(__linux__)
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# include <asm/prctl.h>
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@ -1031,7 +1031,7 @@ static void tcg_out_qemu_ld_slow_path(TCGContext *s, TCGLabelQemuLdst *l)
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}
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i = tcg_out_call_iarg_imm(s, i, oi);
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i = tcg_out_call_iarg_imm(s, i, (intptr_t)l->raddr);
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tcg_out_call_int(s, qemu_ld_helpers[opc], false);
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tcg_out_call_int(s, qemu_ld_helpers[opc & (MO_BSWAP | MO_SSIZE)], false);
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/* delay slot */
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tcg_out_mov(s, TCG_TYPE_PTR, tcg_target_call_iarg_regs[0], TCG_AREG0);
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@ -1094,7 +1094,7 @@ static void tcg_out_qemu_st_slow_path(TCGContext *s, TCGLabelQemuLdst *l)
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computation to take place in the return address register. */
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tcg_out_movi(s, TCG_TYPE_PTR, TCG_REG_RA, (intptr_t)l->raddr);
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i = tcg_out_call_iarg_reg(s, i, TCG_REG_RA);
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tcg_out_call_int(s, qemu_st_helpers[opc], true);
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tcg_out_call_int(s, qemu_st_helpers[opc & (MO_BSWAP | MO_SIZE)], true);
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/* delay slot */
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tcg_out_mov(s, TCG_TYPE_PTR, tcg_target_call_iarg_regs[0], TCG_AREG0);
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}
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@ -1495,7 +1495,7 @@ static void tcg_out_qemu_ld_slow_path(TCGContext *s, TCGLabelQemuLdst *lb)
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tcg_out_movi(s, TCG_TYPE_I32, arg++, oi);
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tcg_out32(s, MFSPR | RT(arg) | LR);
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tcg_out_call(s, qemu_ld_helpers[opc & ~MO_SIGN]);
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tcg_out_call(s, qemu_ld_helpers[opc & (MO_BSWAP | MO_SIZE)]);
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lo = lb->datalo_reg;
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hi = lb->datahi_reg;
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@ -1565,7 +1565,7 @@ static void tcg_out_qemu_st_slow_path(TCGContext *s, TCGLabelQemuLdst *lb)
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tcg_out_movi(s, TCG_TYPE_I32, arg++, oi);
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tcg_out32(s, MFSPR | RT(arg) | LR);
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tcg_out_call(s, qemu_st_helpers[opc]);
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tcg_out_call(s, qemu_st_helpers[opc & (MO_BSWAP | MO_SIZE)]);
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tcg_out_b(s, 0, lb->raddr);
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}
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@ -1624,7 +1624,7 @@ static void tcg_out_qemu_ld(TCGContext *s, const TCGArg *args, bool is_64)
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tcg_out32(s, LWZ | TAI(datalo, addrlo, 4));
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}
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} else {
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uint32_t insn = qemu_ldx_opc[opc];
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uint32_t insn = qemu_ldx_opc[opc & (MO_BSWAP | MO_SSIZE)];
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if (!HAVE_ISA_2_06 && insn == LDBRX) {
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tcg_out32(s, ADDI | TAI(TCG_REG_R0, addrlo, 4));
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tcg_out32(s, LWBRX | TAB(datalo, rbase, addrlo));
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@ -1696,7 +1696,7 @@ static void tcg_out_qemu_st(TCGContext *s, const TCGArg *args, bool is_64)
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tcg_out32(s, STW | TAI(datalo, addrlo, 4));
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}
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} else {
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uint32_t insn = qemu_stx_opc[opc];
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uint32_t insn = qemu_stx_opc[opc & (MO_BSWAP | MO_SIZE)];
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if (!HAVE_ISA_2_06 && insn == STDBRX) {
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tcg_out32(s, STWBRX | SAB(datalo, rbase, addrlo));
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tcg_out32(s, ADDI | TAI(TCG_REG_TMP1, addrlo, 4));
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@ -1573,7 +1573,7 @@ static void tcg_out_qemu_ld_slow_path(TCGContext *s, TCGLabelQemuLdst *lb)
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}
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tcg_out_movi(s, TCG_TYPE_I32, TCG_REG_R4, oi);
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tcg_out_movi(s, TCG_TYPE_PTR, TCG_REG_R5, (uintptr_t)lb->raddr);
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tcg_out_call(s, qemu_ld_helpers[opc]);
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tcg_out_call(s, qemu_ld_helpers[opc & (MO_BSWAP | MO_SSIZE)]);
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tcg_out_mov(s, TCG_TYPE_I64, data_reg, TCG_REG_R2);
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tgen_gotoi(s, S390_CC_ALWAYS, lb->raddr);
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@ -1610,7 +1610,7 @@ static void tcg_out_qemu_st_slow_path(TCGContext *s, TCGLabelQemuLdst *lb)
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}
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tcg_out_movi(s, TCG_TYPE_I32, TCG_REG_R5, oi);
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tcg_out_movi(s, TCG_TYPE_PTR, TCG_REG_R6, (uintptr_t)lb->raddr);
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tcg_out_call(s, qemu_st_helpers[opc]);
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tcg_out_call(s, qemu_st_helpers[opc & (MO_BSWAP | MO_SIZE)]);
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tgen_gotoi(s, S390_CC_ALWAYS, lb->raddr);
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}
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@ -1075,12 +1075,11 @@ static void tcg_out_qemu_ld(TCGContext *s, TCGReg data, TCGReg addr,
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TCGMemOp memop = get_memop(oi);
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#ifdef CONFIG_SOFTMMU
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unsigned memi = get_mmuidx(oi);
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TCGMemOp s_bits = memop & MO_SIZE;
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TCGReg addrz, param;
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tcg_insn_unit *func;
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tcg_insn_unit *label_ptr;
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addrz = tcg_out_tlb_load(s, addr, memi, s_bits,
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addrz = tcg_out_tlb_load(s, addr, memi, memop & MO_SIZE,
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offsetof(CPUTLBEntry, addr_read));
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/* The fast path is exactly one insn. Thus we can perform the
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@ -1092,7 +1091,8 @@ static void tcg_out_qemu_ld(TCGContext *s, TCGReg data, TCGReg addr,
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tcg_out_bpcc0(s, COND_E, BPCC_A | BPCC_PT
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| (TARGET_LONG_BITS == 64 ? BPCC_XCC : BPCC_ICC), 0);
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/* delay slot */
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tcg_out_ldst_rr(s, data, addrz, TCG_REG_O1, qemu_ld_opc[memop]);
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tcg_out_ldst_rr(s, data, addrz, TCG_REG_O1,
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qemu_ld_opc[memop & (MO_BSWAP | MO_SSIZE)]);
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/* TLB Miss. */
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@ -1105,10 +1105,10 @@ static void tcg_out_qemu_ld(TCGContext *s, TCGReg data, TCGReg addr,
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/* We use the helpers to extend SB and SW data, leaving the case
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of SL needing explicit extending below. */
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if ((memop & ~MO_BSWAP) == MO_SL) {
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func = qemu_ld_trampoline[memop & ~MO_SIGN];
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if ((memop & MO_SSIZE) == MO_SL) {
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func = qemu_ld_trampoline[memop & (MO_BSWAP | MO_SIZE)];
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} else {
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func = qemu_ld_trampoline[memop];
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func = qemu_ld_trampoline[memop & (MO_BSWAP | MO_SSIZE)];
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}
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assert(func != NULL);
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tcg_out_call_nodelay(s, func);
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@ -1119,13 +1119,13 @@ static void tcg_out_qemu_ld(TCGContext *s, TCGReg data, TCGReg addr,
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Which complicates things for sparcv8plus. */
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if (SPARC64) {
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/* We let the helper sign-extend SB and SW, but leave SL for here. */
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if (is_64 && (memop & ~MO_BSWAP) == MO_SL) {
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if (is_64 && (memop & MO_SSIZE) == MO_SL) {
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tcg_out_arithi(s, data, TCG_REG_O0, 0, SHIFT_SRA);
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} else {
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tcg_out_mov(s, TCG_TYPE_REG, data, TCG_REG_O0);
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}
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} else {
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if (s_bits == MO_64) {
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if ((memop & MO_SIZE) == MO_64) {
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tcg_out_arithi(s, TCG_REG_O0, TCG_REG_O0, 32, SHIFT_SLLX);
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tcg_out_arithi(s, TCG_REG_O1, TCG_REG_O1, 0, SHIFT_SRL);
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tcg_out_arith(s, data, TCG_REG_O0, TCG_REG_O1, ARITH_OR);
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@ -1147,7 +1147,7 @@ static void tcg_out_qemu_ld(TCGContext *s, TCGReg data, TCGReg addr,
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}
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tcg_out_ldst_rr(s, data, addr,
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(GUEST_BASE ? TCG_GUEST_BASE_REG : TCG_REG_G0),
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qemu_ld_opc[memop]);
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qemu_ld_opc[memop & (MO_BSWAP | MO_SSIZE)]);
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#endif /* CONFIG_SOFTMMU */
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}
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@ -1157,12 +1157,11 @@ static void tcg_out_qemu_st(TCGContext *s, TCGReg data, TCGReg addr,
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TCGMemOp memop = get_memop(oi);
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#ifdef CONFIG_SOFTMMU
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unsigned memi = get_mmuidx(oi);
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TCGMemOp s_bits = memop & MO_SIZE;
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TCGReg addrz, param;
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tcg_insn_unit *func;
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tcg_insn_unit *label_ptr;
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addrz = tcg_out_tlb_load(s, addr, memi, s_bits,
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addrz = tcg_out_tlb_load(s, addr, memi, memop & MO_SIZE,
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offsetof(CPUTLBEntry, addr_write));
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/* The fast path is exactly one insn. Thus we can perform the entire
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@ -1172,7 +1171,8 @@ static void tcg_out_qemu_st(TCGContext *s, TCGReg data, TCGReg addr,
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tcg_out_bpcc0(s, COND_E, BPCC_A | BPCC_PT
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| (TARGET_LONG_BITS == 64 ? BPCC_XCC : BPCC_ICC), 0);
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/* delay slot */
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tcg_out_ldst_rr(s, data, addrz, TCG_REG_O1, qemu_st_opc[memop]);
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tcg_out_ldst_rr(s, data, addrz, TCG_REG_O1,
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qemu_st_opc[memop & (MO_BSWAP | MO_SIZE)]);
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/* TLB Miss. */
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@ -1182,13 +1182,13 @@ static void tcg_out_qemu_st(TCGContext *s, TCGReg data, TCGReg addr,
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param++;
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}
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tcg_out_mov(s, TCG_TYPE_REG, param++, addr);
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if (!SPARC64 && s_bits == MO_64) {
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if (!SPARC64 && (memop & MO_SIZE) == MO_64) {
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/* Skip the high-part; we'll perform the extract in the trampoline. */
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param++;
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}
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tcg_out_mov(s, TCG_TYPE_REG, param++, data);
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func = qemu_st_trampoline[memop];
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func = qemu_st_trampoline[memop & (MO_BSWAP | MO_SIZE)];
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assert(func != NULL);
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tcg_out_call_nodelay(s, func);
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/* delay slot */
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@ -1202,7 +1202,7 @@ static void tcg_out_qemu_st(TCGContext *s, TCGReg data, TCGReg addr,
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}
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tcg_out_ldst_rr(s, data, addr,
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(GUEST_BASE ? TCG_GUEST_BASE_REG : TCG_REG_G0),
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qemu_st_opc[memop]);
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qemu_st_opc[memop & (MO_BSWAP | MO_SIZE)]);
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#endif /* CONFIG_SOFTMMU */
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}
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8
tci.c
8
tci.c
@ -1107,7 +1107,7 @@ uintptr_t tcg_qemu_tb_exec(CPUArchState *env, uint8_t *tb_ptr)
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t0 = *tb_ptr++;
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taddr = tci_read_ulong(&tb_ptr);
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oi = tci_read_i(&tb_ptr);
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switch (get_memop(oi)) {
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switch (get_memop(oi) & (MO_BSWAP | MO_SSIZE)) {
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case MO_UB:
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tmp32 = qemu_ld_ub;
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break;
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@ -1144,7 +1144,7 @@ uintptr_t tcg_qemu_tb_exec(CPUArchState *env, uint8_t *tb_ptr)
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}
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taddr = tci_read_ulong(&tb_ptr);
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oi = tci_read_i(&tb_ptr);
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switch (get_memop(oi)) {
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switch (get_memop(oi) & (MO_BSWAP | MO_SSIZE)) {
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case MO_UB:
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tmp64 = qemu_ld_ub;
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break;
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@ -1193,7 +1193,7 @@ uintptr_t tcg_qemu_tb_exec(CPUArchState *env, uint8_t *tb_ptr)
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t0 = tci_read_r(&tb_ptr);
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taddr = tci_read_ulong(&tb_ptr);
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oi = tci_read_i(&tb_ptr);
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switch (get_memop(oi)) {
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switch (get_memop(oi) & (MO_BSWAP | MO_SIZE)) {
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case MO_UB:
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qemu_st_b(t0);
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break;
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@ -1217,7 +1217,7 @@ uintptr_t tcg_qemu_tb_exec(CPUArchState *env, uint8_t *tb_ptr)
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tmp64 = tci_read_r64(&tb_ptr);
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taddr = tci_read_ulong(&tb_ptr);
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oi = tci_read_i(&tb_ptr);
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switch (get_memop(oi)) {
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switch (get_memop(oi) & (MO_BSWAP | MO_SIZE)) {
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case MO_UB:
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qemu_st_b(tmp64);
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break;
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