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Merge remote-tracking branch 'remotes/rth-gitlab/tags/pull-tcg-20210317' into staging

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TCI argument extraction helpers and disassembler
TCG build fix for gcc 11

# gpg: Signature made Wed 17 Mar 2021 15:29:47 GMT
# gpg:                using RSA key 7A481E78868B4DB6A85A05C064DF38E8AF7E215F
# gpg:                issuer "richard.henderson@linaro.org"
# gpg: Good signature from "Richard Henderson <richard.henderson@linaro.org>" [full]
# Primary key fingerprint: 7A48 1E78 868B 4DB6 A85A  05C0 64DF 38E8 AF7E 215F

* remotes/rth-gitlab/tags/pull-tcg-20210317: (38 commits)
  tcg: Fix prototypes for tcg_out_vec_op and tcg_out_op
  tcg/tci: Split out tcg_out_op_r[iI]
  tcg/tci: Split out tcg_out_op_v
  tcg/tci: Split out tcg_out_op_{rrm,rrrm,rrrrm}
  tcg/tci: Split out tcg_out_op_rrrrcl
  tcg/tci: Split out tcg_out_op_rrrr
  tcg/tci: Split out tcg_out_op_rrrrrr
  tcg/tci: Split out tcg_out_op_rrcl
  tcg/tci: Split out tcg_out_op_rrrbb
  tcg/tci: Split out tcg_out_op_rrrrrc
  tcg/tci: Split out tcg_out_op_rrrc
  tcg/tci: Split out tcg_out_op_rrr
  tcg/tci: Split out tcg_out_op_rr
  tcg/tci: Split out tcg_out_op_p
  tcg/tci: Split out tcg_out_op_l
  tcg/tci: Split out tcg_out_op_rrs
  tcg/tci: Push opcode emit into each case
  tcg/tci: Implement the disassembler properly
  tcg/tci: Remove tci_disas
  tcg/tci: Hoist op_size checking into tci_args_*
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Peter Maydell
2021-03-18 17:11:17 +00:00
parent 6e71c36557 5e8892db93
commit 4083904bc9
14 changed files with 1107 additions and 612 deletions
Download Patch File Download Diff File Expand all files Collapse all files
disas/tci.c
-61
View File
@@ -1,61 +0,0 @@
/*
* Tiny Code Interpreter for QEMU - disassembler
*
* Copyright (c) 2011 Stefan Weil
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "qemu/osdep.h"
#include "qemu-common.h"
#include "disas/dis-asm.h"
#include "tcg/tcg.h"
/* Disassemble TCI bytecode. */
int print_insn_tci(bfd_vma addr, disassemble_info *info)
{
int length;
uint8_t byte;
int status;
TCGOpcode op;
status = info->read_memory_func(addr, &byte, 1, info);
if (status != 0) {
info->memory_error_func(status, addr, info);
return -1;
}
op = byte;
addr++;
status = info->read_memory_func(addr, &byte, 1, info);
if (status != 0) {
info->memory_error_func(status, addr, info);
return -1;
}
length = byte;
if (op >= tcg_op_defs_max) {
info->fprintf_func(info->stream, "illegal opcode %d", op);
} else {
const TCGOpDef *def = &tcg_op_defs[op];
int nb_oargs = def->nb_oargs;
int nb_iargs = def->nb_iargs;
int nb_cargs = def->nb_cargs;
/* TODO: Improve disassembler output. */
info->fprintf_func(info->stream, "%s\to=%d i=%d c=%d",
def->name, nb_oargs, nb_iargs, nb_cargs);
}
return length;
}
include/tcg/tcg-opc.h
-2
View File
@@ -278,10 +278,8 @@ DEF(last_generic, 0, 0, 0, TCG_OPF_NOT_PRESENT)
#ifdef TCG_TARGET_INTERPRETER
/* These opcodes are only for use between the tci generator and interpreter. */
DEF(tci_movi_i32, 1, 0, 1, TCG_OPF_NOT_PRESENT)
#if TCG_TARGET_REG_BITS == 64
DEF(tci_movi_i64, 1, 0, 1, TCG_OPF_64BIT | TCG_OPF_NOT_PRESENT)
#endif
#endif
#undef TLADDR_ARGS
#undef DATA64_ARGS
meson.build
+1 -1
View File
@@ -1943,7 +1943,7 @@ specific_ss.add(when: 'CONFIG_TCG', if_true: files(
'tcg/tcg-op.c',
'tcg/tcg.c',
))
specific_ss.add(when: 'CONFIG_TCG_INTERPRETER', if_true: files('disas/tci.c', 'tcg/tci.c'))
specific_ss.add(when: 'CONFIG_TCG_INTERPRETER', if_true: files('tcg/tci.c'))
subdir('backends')
subdir('disas')
tcg/aarch64/tcg-target.c.inc
+2 -1
View File
@@ -2286,7 +2286,8 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc,
static void tcg_out_vec_op(TCGContext *s, TCGOpcode opc,
unsigned vecl, unsigned vece,
const TCGArg *args, const int *const_args)
const TCGArg args[TCG_MAX_OP_ARGS],
const int const_args[TCG_MAX_OP_ARGS])
{
static const AArch64Insn cmp_vec_insn[16] = {
[TCG_COND_EQ] = I3616_CMEQ,
tcg/i386/tcg-target.c.inc
+4 -2
View File
@@ -2177,7 +2177,8 @@ static void tcg_out_qemu_st(TCGContext *s, const TCGArg *args, bool is64)
}
static inline void tcg_out_op(TCGContext *s, TCGOpcode opc,
const TCGArg *args, const int *const_args)
const TCGArg args[TCG_MAX_OP_ARGS],
const int const_args[TCG_MAX_OP_ARGS])
{
TCGArg a0, a1, a2;
int c, const_a2, vexop, rexw = 0;
@@ -2613,7 +2614,8 @@ static inline void tcg_out_op(TCGContext *s, TCGOpcode opc,
static void tcg_out_vec_op(TCGContext *s, TCGOpcode opc,
unsigned vecl, unsigned vece,
const TCGArg *args, const int *const_args)
const TCGArg args[TCG_MAX_OP_ARGS],
const int const_args[TCG_MAX_OP_ARGS])
{
static int const add_insn[4] = {
OPC_PADDB, OPC_PADDW, OPC_PADDD, OPC_PADDQ
tcg/mips/tcg-target.c.inc
+2 -1
View File
@@ -1651,7 +1651,8 @@ static void tcg_out_clz(TCGContext *s, MIPSInsn opcv2, MIPSInsn opcv6,
}
static inline void tcg_out_op(TCGContext *s, TCGOpcode opc,
const TCGArg *args, const int *const_args)
const TCGArg args[TCG_MAX_OP_ARGS],
const int const_args[TCG_MAX_OP_ARGS])
{
MIPSInsn i1, i2;
TCGArg a0, a1, a2;
tcg/ppc/tcg-target.c.inc
+5 -3
View File
@@ -2319,8 +2319,9 @@ static void tcg_target_qemu_prologue(TCGContext *s)
tcg_out32(s, BCLR | BO_ALWAYS);
}
static void tcg_out_op(TCGContext *s, TCGOpcode opc, const TCGArg *args,
const int *const_args)
static void tcg_out_op(TCGContext *s, TCGOpcode opc,
const TCGArg args[TCG_MAX_OP_ARGS],
const int const_args[TCG_MAX_OP_ARGS])
{
TCGArg a0, a1, a2;
int c;
@@ -3115,7 +3116,8 @@ static bool tcg_out_dupm_vec(TCGContext *s, TCGType type, unsigned vece,
static void tcg_out_vec_op(TCGContext *s, TCGOpcode opc,
unsigned vecl, unsigned vece,
const TCGArg *args, const int *const_args)
const TCGArg args[TCG_MAX_OP_ARGS],
const int const_args[TCG_MAX_OP_ARGS])
{
static const uint32_t
add_op[4] = { VADDUBM, VADDUHM, VADDUWM, VADDUDM },
tcg/riscv/tcg-target.c.inc
+2 -1
View File
@@ -1212,7 +1212,8 @@ static void tcg_out_qemu_st(TCGContext *s, const TCGArg *args, bool is_64)
static const tcg_insn_unit *tb_ret_addr;
static void tcg_out_op(TCGContext *s, TCGOpcode opc,
const TCGArg *args, const int *const_args)
const TCGArg args[TCG_MAX_OP_ARGS],
const int const_args[TCG_MAX_OP_ARGS])
{
TCGArg a0 = args[0];
TCGArg a1 = args[1];
tcg/s390/tcg-target.c.inc
+2 -1
View File
@@ -1705,7 +1705,8 @@ static void tcg_out_qemu_st(TCGContext* s, TCGReg data_reg, TCGReg addr_reg,
case glue(glue(INDEX_op_,x),_i64)
static inline void tcg_out_op(TCGContext *s, TCGOpcode opc,
const TCGArg *args, const int *const_args)
const TCGArg args[TCG_MAX_OP_ARGS],
const int const_args[TCG_MAX_OP_ARGS])
{
S390Opcode op, op2;
TCGArg a0, a1, a2;
tcg/tcg.c
+11 -8
View File
@@ -107,8 +107,9 @@ static void tcg_out_ld(TCGContext *s, TCGType type, TCGReg ret, TCGReg arg1,
static bool tcg_out_mov(TCGContext *s, TCGType type, TCGReg ret, TCGReg arg);
static void tcg_out_movi(TCGContext *s, TCGType type,
TCGReg ret, tcg_target_long arg);
static void tcg_out_op(TCGContext *s, TCGOpcode opc, const TCGArg *args,
const int *const_args);
static void tcg_out_op(TCGContext *s, TCGOpcode opc,
const TCGArg args[TCG_MAX_OP_ARGS],
const int const_args[TCG_MAX_OP_ARGS]);
#if TCG_TARGET_MAYBE_vec
static bool tcg_out_dup_vec(TCGContext *s, TCGType type, unsigned vece,
TCGReg dst, TCGReg src);
@@ -116,9 +117,10 @@ static bool tcg_out_dupm_vec(TCGContext *s, TCGType type, unsigned vece,
TCGReg dst, TCGReg base, intptr_t offset);
static void tcg_out_dupi_vec(TCGContext *s, TCGType type, unsigned vece,
TCGReg dst, int64_t arg);
static void tcg_out_vec_op(TCGContext *s, TCGOpcode opc, unsigned vecl,
unsigned vece, const TCGArg *args,
const int *const_args);
static void tcg_out_vec_op(TCGContext *s, TCGOpcode opc,
unsigned vecl, unsigned vece,
const TCGArg args[TCG_MAX_OP_ARGS],
const int const_args[TCG_MAX_OP_ARGS]);
#else
static inline bool tcg_out_dup_vec(TCGContext *s, TCGType type, unsigned vece,
TCGReg dst, TCGReg src)
@@ -135,9 +137,10 @@ static inline void tcg_out_dupi_vec(TCGContext *s, TCGType type, unsigned vece,
{
g_assert_not_reached();
}
static inline void tcg_out_vec_op(TCGContext *s, TCGOpcode opc, unsigned vecl,
unsigned vece, const TCGArg *args,
const int *const_args)
static inline void tcg_out_vec_op(TCGContext *s, TCGOpcode opc,
unsigned vecl, unsigned vece,
const TCGArg args[TCG_MAX_OP_ARGS],
const int const_args[TCG_MAX_OP_ARGS])
{
g_assert_not_reached();
}
tcg/tci.c
+744 -365
View File
File diff suppressed because it is too large Load Diff
tcg/tci/tcg-target-con-set.h
-1
View File
@@ -13,7 +13,6 @@ C_O0_I2(r, r)
C_O0_I3(r, r, r)
C_O0_I4(r, r, r, r)
C_O1_I1(r, r)
C_O1_I2(r, 0, r)
C_O1_I2(r, r, r)
C_O1_I4(r, r, r, r, r)
C_O2_I1(r, r, r)
tcg/tci/tcg-target.c.inc
+331 -155
View File
File diff suppressed because it is too large Load Diff
tcg/tci/tcg-target.h
+3 -10
View File
@@ -87,7 +87,7 @@
#define TCG_TARGET_HAS_muluh_i32 0
#define TCG_TARGET_HAS_mulsh_i32 0
#define TCG_TARGET_HAS_goto_ptr 0
#define TCG_TARGET_HAS_direct_jump 1
#define TCG_TARGET_HAS_direct_jump 0
#define TCG_TARGET_HAS_qemu_st8_i32 0
#if TCG_TARGET_REG_BITS == 64
@@ -163,8 +163,6 @@ typedef enum {
#define TCG_TARGET_CALL_STACK_OFFSET 0
#define TCG_TARGET_STACK_ALIGN 16
void tci_disas(uint8_t opc);
#define HAVE_TCG_QEMU_TB_EXEC
/* We could notice __i386__ or __s390x__ and reduce the barriers depending
@@ -174,12 +172,7 @@ void tci_disas(uint8_t opc);
#define TCG_TARGET_HAS_MEMORY_BSWAP 1
static inline void tb_target_set_jmp_target(uintptr_t tc_ptr, uintptr_t jmp_rx,
uintptr_t jmp_rw, uintptr_t addr)
{
/* patch the branch destination */
qatomic_set((int32_t *)jmp_rw, addr - (jmp_rx + 4));
/* no need to flush icache explicitly */
}
/* not defined -- call should be eliminated at compile time */
void tb_target_set_jmp_target(uintptr_t, uintptr_t, uintptr_t, uintptr_t);
#endif /* TCG_TARGET_H */