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tcg: Push merged memop+mmu_idx parameter to softmmu routines

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The extra information is not yet used but it is now available.
This requires minor changes through all of the tcg backends.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <rth@twiddle.net>
This commit is contained in:
Richard Henderson 2015-05-13 09:10:33 -07:00
parent 59227d5d45
commit 3972ef6f83
13 changed files with 156 additions and 150 deletions
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37
tcg/i386/tcg-target.c
View file

@ -1244,21 +1244,20 @@ static inline void tcg_out_tlb_load(TCGContext *s, TCGReg addrlo, TCGReg addrhi,
* Record the context of a call to the out of line helper code for the slow path
* for a load or store, so that we can later generate the correct helper code
*/
static void add_qemu_ldst_label(TCGContext *s, bool is_ld, TCGMemOp opc,
static void add_qemu_ldst_label(TCGContext *s, bool is_ld, TCGMemOpIdx oi,
TCGReg datalo, TCGReg datahi,
TCGReg addrlo, TCGReg addrhi,
int mem_index, tcg_insn_unit *raddr,
tcg_insn_unit *raddr,
tcg_insn_unit **label_ptr)
{
TCGLabelQemuLdst *label = new_ldst_label(s);
label->is_ld = is_ld;
label->opc = opc;
label->oi = oi;
label->datalo_reg = datalo;
label->datahi_reg = datahi;
label->addrlo_reg = addrlo;
label->addrhi_reg = addrhi;
label->mem_index = mem_index;
label->raddr = raddr;
label->label_ptr[0] = label_ptr[0];
if (TARGET_LONG_BITS > TCG_TARGET_REG_BITS) {
@ -1271,7 +1270,8 @@ static void add_qemu_ldst_label(TCGContext *s, bool is_ld, TCGMemOp opc,
*/
static void tcg_out_qemu_ld_slow_path(TCGContext *s, TCGLabelQemuLdst *l)
{
TCGMemOp opc = l->opc;
TCGMemOpIdx oi = l->oi;
TCGMemOp opc = get_memop(oi);
TCGReg data_reg;
tcg_insn_unit **label_ptr = &l->label_ptr[0];
@ -1295,15 +1295,14 @@ static void tcg_out_qemu_ld_slow_path(TCGContext *s, TCGLabelQemuLdst *l)
ofs += 4;
}
tcg_out_sti(s, TCG_TYPE_I32, TCG_REG_ESP, ofs, l->mem_index);
tcg_out_sti(s, TCG_TYPE_I32, TCG_REG_ESP, ofs, oi);
ofs += 4;
tcg_out_sti(s, TCG_TYPE_I32, TCG_REG_ESP, ofs, (uintptr_t)l->raddr);
tcg_out_sti(s, TCG_TYPE_PTR, TCG_REG_ESP, ofs, (uintptr_t)l->raddr);
} else {
tcg_out_mov(s, TCG_TYPE_PTR, tcg_target_call_iarg_regs[0], TCG_AREG0);
/* The second argument is already loaded with addrlo. */
tcg_out_movi(s, TCG_TYPE_I32, tcg_target_call_iarg_regs[2],
l->mem_index);
tcg_out_movi(s, TCG_TYPE_I32, tcg_target_call_iarg_regs[2], oi);
tcg_out_movi(s, TCG_TYPE_PTR, tcg_target_call_iarg_regs[3],
(uintptr_t)l->raddr);
}
@ -1354,7 +1353,8 @@ static void tcg_out_qemu_ld_slow_path(TCGContext *s, TCGLabelQemuLdst *l)
*/
static void tcg_out_qemu_st_slow_path(TCGContext *s, TCGLabelQemuLdst *l)
{
TCGMemOp opc = l->opc;
TCGMemOpIdx oi = l->oi;
TCGMemOp opc = get_memop(oi);
TCGMemOp s_bits = opc & MO_SIZE;
tcg_insn_unit **label_ptr = &l->label_ptr[0];
TCGReg retaddr;
@ -1387,19 +1387,18 @@ static void tcg_out_qemu_st_slow_path(TCGContext *s, TCGLabelQemuLdst *l)
ofs += 4;
}
tcg_out_sti(s, TCG_TYPE_I32, TCG_REG_ESP, ofs, l->mem_index);
tcg_out_sti(s, TCG_TYPE_I32, TCG_REG_ESP, ofs, oi);
ofs += 4;
retaddr = TCG_REG_EAX;
tcg_out_movi(s, TCG_TYPE_I32, retaddr, (uintptr_t)l->raddr);
tcg_out_st(s, TCG_TYPE_I32, retaddr, TCG_REG_ESP, ofs);
tcg_out_movi(s, TCG_TYPE_PTR, retaddr, (uintptr_t)l->raddr);
tcg_out_st(s, TCG_TYPE_PTR, retaddr, TCG_REG_ESP, ofs);
} else {
tcg_out_mov(s, TCG_TYPE_PTR, tcg_target_call_iarg_regs[0], TCG_AREG0);
/* The second argument is already loaded with addrlo. */
tcg_out_mov(s, (s_bits == MO_64 ? TCG_TYPE_I64 : TCG_TYPE_I32),
tcg_target_call_iarg_regs[2], l->datalo_reg);
tcg_out_movi(s, TCG_TYPE_I32, tcg_target_call_iarg_regs[3],
l->mem_index);
tcg_out_movi(s, TCG_TYPE_I32, tcg_target_call_iarg_regs[3], oi);
if (ARRAY_SIZE(tcg_target_call_iarg_regs) > 4) {
retaddr = tcg_target_call_iarg_regs[4];
@ -1557,8 +1556,8 @@ static void tcg_out_qemu_ld(TCGContext *s, const TCGArg *args, bool is64)
tcg_out_qemu_ld_direct(s, datalo, datahi, TCG_REG_L1, 0, 0, opc);
/* Record the current context of a load into ldst label */
add_qemu_ldst_label(s, true, opc, datalo, datahi, addrlo, addrhi,
mem_index, s->code_ptr, label_ptr);
add_qemu_ldst_label(s, true, oi, datalo, datahi, addrlo, addrhi,
s->code_ptr, label_ptr);
#else
{
int32_t offset = GUEST_BASE;
@ -1690,8 +1689,8 @@ static void tcg_out_qemu_st(TCGContext *s, const TCGArg *args, bool is64)
tcg_out_qemu_st_direct(s, datalo, datahi, TCG_REG_L1, 0, 0, opc);
/* Record the current context of a store into ldst label */
add_qemu_ldst_label(s, false, opc, datalo, datahi, addrlo, addrhi,
mem_index, s->code_ptr, label_ptr);
add_qemu_ldst_label(s, false, oi, datalo, datahi, addrlo, addrhi,
s->code_ptr, label_ptr);
#else
{
int32_t offset = GUEST_BASE;