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qemu/target-tilegx/translate.c

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target-tilegx: Framework for decoding bundles Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <rth@twiddle.net>
2015-08-21 11:36:48 +08:00
/*
* QEMU TILE-Gx CPU
*
* Copyright (c) 2015 Chen Gang
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, see
* <http://www.gnu.org/licenses/lgpl-2.1.html>
*/
#include "cpu.h"
#include "qemu/log.h"
#include "disas/disas.h"
#include "tcg-op.h"
#include "exec/cpu_ldst.h"
#include "opcode_tilegx.h"
#define FMT64X "%016" PRIx64
static TCGv_ptr cpu_env;
static TCGv cpu_pc;
static TCGv cpu_regs[TILEGX_R_COUNT];
static const char * const reg_names[64] = {
"r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7",
"r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15",
"r16", "r17", "r18", "r19", "r20", "r21", "r22", "r23",
"r24", "r25", "r26", "r27", "r28", "r29", "r30", "r31",
"r32", "r33", "r34", "r35", "r36", "r37", "r38", "r39",
"r40", "r41", "r42", "r43", "r44", "r45", "r46", "r47",
"r48", "r49", "r50", "r51", "bp", "tp", "sp", "lr",
"sn", "idn0", "idn1", "udn0", "udn1", "udn2", "udn2", "zero"
};
/* Modified registers are cached in temporaries until the end of the bundle. */
typedef struct {
unsigned reg;
TCGv val;
} DisasContextTemp;
#define MAX_WRITEBACK 4
/* This is the state at translation time. */
typedef struct {
uint64_t pc; /* Current pc */
TCGv zero; /* For zero register */
DisasContextTemp wb[MAX_WRITEBACK];
int num_wb;
int mmuidx;
bool exit_tb;
struct {
TCGCond cond; /* branch condition */
TCGv dest; /* branch destination */
TCGv val1; /* value to be compared against zero, for cond */
} jmp; /* Jump object, only once in each TB block */
} DisasContext;
#include "exec/gen-icount.h"
/* Differentiate the various pipe encodings. */
#define TY_X0 0
#define TY_X1 1
#define TY_Y0 2
#define TY_Y1 3
/* Remerge the base opcode and extension fields for switching.
The X opcode fields are 3 bits; Y0/Y1 opcode fields are 4 bits;
Y2 opcode field is 2 bits. */
#define OE(OP, EXT, XY) (TY_##XY + OP * 4 + EXT * 64)
/* Similar, but for Y2 only. */
#define OEY2(OP, MODE) (OP + MODE * 4)
/* Similar, but make sure opcode names match up. */
#define OE_RR_X0(E) OE(RRR_0_OPCODE_X0, E##_UNARY_OPCODE_X0, X0)
#define OE_RR_X1(E) OE(RRR_0_OPCODE_X1, E##_UNARY_OPCODE_X1, X1)
#define OE_RR_Y0(E) OE(RRR_1_OPCODE_Y0, E##_UNARY_OPCODE_Y0, Y0)
#define OE_RR_Y1(E) OE(RRR_1_OPCODE_Y1, E##_UNARY_OPCODE_Y1, Y1)
#define OE_RRR(E,N,XY) OE(RRR_##N##_OPCODE_##XY, E##_RRR_##N##_OPCODE_##XY, XY)
#define OE_IM(E,XY) OE(IMM8_OPCODE_##XY, E##_IMM8_OPCODE_##XY, XY)
#define OE_SH(E,XY) OE(SHIFT_OPCODE_##XY, E##_SHIFT_OPCODE_##XY, XY)
static void gen_exception(DisasContext *dc, TileExcp num)
{
TCGv_i32 tmp;
tcg_gen_movi_tl(cpu_pc, dc->pc + TILEGX_BUNDLE_SIZE_IN_BYTES);
tmp = tcg_const_i32(num);
gen_helper_exception(cpu_env, tmp);
tcg_temp_free_i32(tmp);
dc->exit_tb = true;
}
static TileExcp gen_rr_opcode(DisasContext *dc, unsigned opext,
unsigned dest, unsigned srca)
{
const char *mnemonic;
/* Eliminate nops before doing anything else. */
switch (opext) {
case OE_RR_Y0(NOP):
case OE_RR_Y1(NOP):
case OE_RR_X0(NOP):
case OE_RR_X1(NOP):
mnemonic = "nop";
goto do_nop;
case OE_RR_Y0(FNOP):
case OE_RR_Y1(FNOP):
case OE_RR_X0(FNOP):
case OE_RR_X1(FNOP):
mnemonic = "fnop";
do_nop:
if (srca || dest) {
return TILEGX_EXCP_OPCODE_UNIMPLEMENTED;
}
qemu_log_mask(CPU_LOG_TB_IN_ASM, "%s", mnemonic);
return TILEGX_EXCP_NONE;
}
switch (opext) {
case OE_RR_X0(CNTLZ):
case OE_RR_Y0(CNTLZ):
case OE_RR_X0(CNTTZ):
case OE_RR_Y0(CNTTZ):
case OE_RR_X1(DRAIN):
case OE_RR_X1(DTLBPR):
case OE_RR_X1(FINV):
case OE_RR_X1(FLUSHWB):
case OE_RR_X1(FLUSH):
case OE_RR_X0(FSINGLE_PACK1):
case OE_RR_Y0(FSINGLE_PACK1):
case OE_RR_X1(ICOH):
case OE_RR_X1(ILL):
case OE_RR_Y1(ILL):
case OE_RR_X1(INV):
case OE_RR_X1(IRET):
case OE_RR_X1(JALRP):
case OE_RR_Y1(JALRP):
case OE_RR_X1(JALR):
case OE_RR_Y1(JALR):
case OE_RR_X1(JRP):
case OE_RR_Y1(JRP):
case OE_RR_X1(JR):
case OE_RR_Y1(JR):
case OE_RR_X1(LD1S):
case OE_RR_X1(LD1U):
case OE_RR_X1(LD2S):
case OE_RR_X1(LD2U):
case OE_RR_X1(LD4S):
case OE_RR_X1(LD4U):
case OE_RR_X1(LDNA):
case OE_RR_X1(LDNT1S):
case OE_RR_X1(LDNT1U):
case OE_RR_X1(LDNT2S):
case OE_RR_X1(LDNT2U):
case OE_RR_X1(LDNT4S):
case OE_RR_X1(LDNT4U):
case OE_RR_X1(LDNT):
case OE_RR_X1(LD):
case OE_RR_X1(LNK):
case OE_RR_Y1(LNK):
case OE_RR_X1(MF):
case OE_RR_X1(NAP):
case OE_RR_X0(PCNT):
case OE_RR_Y0(PCNT):
case OE_RR_X0(REVBITS):
case OE_RR_Y0(REVBITS):
case OE_RR_X0(REVBYTES):
case OE_RR_Y0(REVBYTES):
case OE_RR_X1(SWINT0):
case OE_RR_X1(SWINT1):
case OE_RR_X1(SWINT2):
case OE_RR_X1(SWINT3):
case OE_RR_X0(TBLIDXB0):
case OE_RR_Y0(TBLIDXB0):
case OE_RR_X0(TBLIDXB1):
case OE_RR_Y0(TBLIDXB1):
case OE_RR_X0(TBLIDXB2):
case OE_RR_Y0(TBLIDXB2):
case OE_RR_X0(TBLIDXB3):
case OE_RR_Y0(TBLIDXB3):
case OE_RR_X1(WH64):
default:
return TILEGX_EXCP_OPCODE_UNIMPLEMENTED;
}
qemu_log_mask(CPU_LOG_TB_IN_ASM, "%s %s, %s", mnemonic,
reg_names[dest], reg_names[srca]);
return TILEGX_EXCP_NONE;
}
static TileExcp gen_rrr_opcode(DisasContext *dc, unsigned opext,
unsigned dest, unsigned srca, unsigned srcb)
{
const char *mnemonic;
switch (opext) {
case OE_RRR(ADDXSC, 0, X0):
case OE_RRR(ADDXSC, 0, X1):
case OE_RRR(ADDX, 0, X0):
case OE_RRR(ADDX, 0, X1):
case OE_RRR(ADDX, 0, Y0):
case OE_RRR(ADDX, 0, Y1):
case OE_RRR(ADD, 0, X0):
case OE_RRR(ADD, 0, X1):
case OE_RRR(ADD, 0, Y0):
case OE_RRR(ADD, 0, Y1):
case OE_RRR(AND, 0, X0):
case OE_RRR(AND, 0, X1):
case OE_RRR(AND, 5, Y0):
case OE_RRR(AND, 5, Y1):
case OE_RRR(CMOVEQZ, 0, X0):
case OE_RRR(CMOVEQZ, 4, Y0):
case OE_RRR(CMOVNEZ, 0, X0):
case OE_RRR(CMOVNEZ, 4, Y0):
case OE_RRR(CMPEQ, 0, X0):
case OE_RRR(CMPEQ, 0, X1):
case OE_RRR(CMPEQ, 3, Y0):
case OE_RRR(CMPEQ, 3, Y1):
case OE_RRR(CMPEXCH4, 0, X1):
case OE_RRR(CMPEXCH, 0, X1):
case OE_RRR(CMPLES, 0, X0):
case OE_RRR(CMPLES, 0, X1):
case OE_RRR(CMPLES, 2, Y0):
case OE_RRR(CMPLES, 2, Y1):
case OE_RRR(CMPLEU, 0, X0):
case OE_RRR(CMPLEU, 0, X1):
case OE_RRR(CMPLEU, 2, Y0):
case OE_RRR(CMPLEU, 2, Y1):
case OE_RRR(CMPLTS, 0, X0):
case OE_RRR(CMPLTS, 0, X1):
case OE_RRR(CMPLTS, 2, Y0):
case OE_RRR(CMPLTS, 2, Y1):
case OE_RRR(CMPLTU, 0, X0):
case OE_RRR(CMPLTU, 0, X1):
case OE_RRR(CMPLTU, 2, Y0):
case OE_RRR(CMPLTU, 2, Y1):
case OE_RRR(CMPNE, 0, X0):
case OE_RRR(CMPNE, 0, X1):
case OE_RRR(CMPNE, 3, Y0):
case OE_RRR(CMPNE, 3, Y1):
case OE_RRR(CMULAF, 0, X0):
case OE_RRR(CMULA, 0, X0):
case OE_RRR(CMULFR, 0, X0):
case OE_RRR(CMULF, 0, X0):
case OE_RRR(CMULHR, 0, X0):
case OE_RRR(CMULH, 0, X0):
case OE_RRR(CMUL, 0, X0):
case OE_RRR(CRC32_32, 0, X0):
case OE_RRR(CRC32_8, 0, X0):
case OE_RRR(DBLALIGN2, 0, X0):
case OE_RRR(DBLALIGN2, 0, X1):
case OE_RRR(DBLALIGN4, 0, X0):
case OE_RRR(DBLALIGN4, 0, X1):
case OE_RRR(DBLALIGN6, 0, X0):
case OE_RRR(DBLALIGN6, 0, X1):
case OE_RRR(DBLALIGN, 0, X0):
case OE_RRR(EXCH4, 0, X1):
case OE_RRR(EXCH, 0, X1):
case OE_RRR(FDOUBLE_ADDSUB, 0, X0):
case OE_RRR(FDOUBLE_ADD_FLAGS, 0, X0):
case OE_RRR(FDOUBLE_MUL_FLAGS, 0, X0):
case OE_RRR(FDOUBLE_PACK1, 0, X0):
case OE_RRR(FDOUBLE_PACK2, 0, X0):
case OE_RRR(FDOUBLE_SUB_FLAGS, 0, X0):
case OE_RRR(FDOUBLE_UNPACK_MAX, 0, X0):
case OE_RRR(FDOUBLE_UNPACK_MIN, 0, X0):
case OE_RRR(FETCHADD4, 0, X1):
case OE_RRR(FETCHADDGEZ4, 0, X1):
case OE_RRR(FETCHADDGEZ, 0, X1):
case OE_RRR(FETCHADD, 0, X1):
case OE_RRR(FETCHAND4, 0, X1):
case OE_RRR(FETCHAND, 0, X1):
case OE_RRR(FETCHOR4, 0, X1):
case OE_RRR(FETCHOR, 0, X1):
case OE_RRR(FSINGLE_ADD1, 0, X0):
case OE_RRR(FSINGLE_ADDSUB2, 0, X0):
case OE_RRR(FSINGLE_MUL1, 0, X0):
case OE_RRR(FSINGLE_MUL2, 0, X0):
case OE_RRR(FSINGLE_PACK2, 0, X0):
case OE_RRR(FSINGLE_SUB1, 0, X0):
case OE_RRR(MNZ, 0, X0):
case OE_RRR(MNZ, 0, X1):
case OE_RRR(MNZ, 4, Y0):
case OE_RRR(MNZ, 4, Y1):
case OE_RRR(MULAX, 0, X0):
case OE_RRR(MULAX, 3, Y0):
case OE_RRR(MULA_HS_HS, 0, X0):
case OE_RRR(MULA_HS_HS, 9, Y0):
case OE_RRR(MULA_HS_HU, 0, X0):
case OE_RRR(MULA_HS_LS, 0, X0):
case OE_RRR(MULA_HS_LU, 0, X0):
case OE_RRR(MULA_HU_HU, 0, X0):
case OE_RRR(MULA_HU_HU, 9, Y0):
case OE_RRR(MULA_HU_LS, 0, X0):
case OE_RRR(MULA_HU_LU, 0, X0):
case OE_RRR(MULA_LS_LS, 0, X0):
case OE_RRR(MULA_LS_LS, 9, Y0):
case OE_RRR(MULA_LS_LU, 0, X0):
case OE_RRR(MULA_LU_LU, 0, X0):
case OE_RRR(MULA_LU_LU, 9, Y0):
case OE_RRR(MULX, 0, X0):
case OE_RRR(MULX, 3, Y0):
case OE_RRR(MUL_HS_HS, 0, X0):
case OE_RRR(MUL_HS_HS, 8, Y0):
case OE_RRR(MUL_HS_HU, 0, X0):
case OE_RRR(MUL_HS_LS, 0, X0):
case OE_RRR(MUL_HS_LU, 0, X0):
case OE_RRR(MUL_HU_HU, 0, X0):
case OE_RRR(MUL_HU_HU, 8, Y0):
case OE_RRR(MUL_HU_LS, 0, X0):
case OE_RRR(MUL_HU_LU, 0, X0):
case OE_RRR(MUL_LS_LS, 0, X0):
case OE_RRR(MUL_LS_LS, 8, Y0):
case OE_RRR(MUL_LS_LU, 0, X0):
case OE_RRR(MUL_LU_LU, 0, X0):
case OE_RRR(MUL_LU_LU, 8, Y0):
case OE_RRR(MZ, 0, X0):
case OE_RRR(MZ, 0, X1):
case OE_RRR(MZ, 4, Y0):
case OE_RRR(MZ, 4, Y1):
case OE_RRR(NOR, 0, X0):
case OE_RRR(NOR, 0, X1):
case OE_RRR(NOR, 5, Y0):
case OE_RRR(NOR, 5, Y1):
case OE_RRR(OR, 0, X0):
case OE_RRR(OR, 0, X1):
case OE_RRR(OR, 5, Y0):
case OE_RRR(OR, 5, Y1):
case OE_RRR(ROTL, 0, X0):
case OE_RRR(ROTL, 0, X1):
case OE_RRR(ROTL, 6, Y0):
case OE_RRR(ROTL, 6, Y1):
case OE_RRR(SHL1ADDX, 0, X0):
case OE_RRR(SHL1ADDX, 0, X1):
case OE_RRR(SHL1ADDX, 7, Y0):
case OE_RRR(SHL1ADDX, 7, Y1):
case OE_RRR(SHL1ADD, 0, X0):
case OE_RRR(SHL1ADD, 0, X1):
case OE_RRR(SHL1ADD, 1, Y0):
case OE_RRR(SHL1ADD, 1, Y1):
case OE_RRR(SHL2ADDX, 0, X0):
case OE_RRR(SHL2ADDX, 0, X1):
case OE_RRR(SHL2ADDX, 7, Y0):
case OE_RRR(SHL2ADDX, 7, Y1):
case OE_RRR(SHL2ADD, 0, X0):
case OE_RRR(SHL2ADD, 0, X1):
case OE_RRR(SHL2ADD, 1, Y0):
case OE_RRR(SHL2ADD, 1, Y1):
case OE_RRR(SHL3ADDX, 0, X0):
case OE_RRR(SHL3ADDX, 0, X1):
case OE_RRR(SHL3ADDX, 7, Y0):
case OE_RRR(SHL3ADDX, 7, Y1):
case OE_RRR(SHL3ADD, 0, X0):
case OE_RRR(SHL3ADD, 0, X1):
case OE_RRR(SHL3ADD, 1, Y0):
case OE_RRR(SHL3ADD, 1, Y1):
case OE_RRR(SHLX, 0, X0):
case OE_RRR(SHLX, 0, X1):
case OE_RRR(SHL, 0, X0):
case OE_RRR(SHL, 0, X1):
case OE_RRR(SHL, 6, Y0):
case OE_RRR(SHL, 6, Y1):
case OE_RRR(SHRS, 0, X0):
case OE_RRR(SHRS, 0, X1):
case OE_RRR(SHRS, 6, Y0):
case OE_RRR(SHRS, 6, Y1):
case OE_RRR(SHRUX, 0, X0):
case OE_RRR(SHRUX, 0, X1):
case OE_RRR(SHRU, 0, X0):
case OE_RRR(SHRU, 0, X1):
case OE_RRR(SHRU, 6, Y0):
case OE_RRR(SHRU, 6, Y1):
case OE_RRR(SHUFFLEBYTES, 0, X0):
case OE_RRR(ST1, 0, X1):
case OE_RRR(ST2, 0, X1):
case OE_RRR(ST4, 0, X1):
case OE_RRR(STNT1, 0, X1):
case OE_RRR(STNT2, 0, X1):
case OE_RRR(STNT4, 0, X1):
case OE_RRR(STNT, 0, X1):
case OE_RRR(ST, 0, X1):
case OE_RRR(SUBXSC, 0, X0):
case OE_RRR(SUBXSC, 0, X1):
case OE_RRR(SUBX, 0, X0):
case OE_RRR(SUBX, 0, X1):
case OE_RRR(SUBX, 0, Y0):
case OE_RRR(SUBX, 0, Y1):
case OE_RRR(SUB, 0, X0):
case OE_RRR(SUB, 0, X1):
case OE_RRR(SUB, 0, Y0):
case OE_RRR(SUB, 0, Y1):
case OE_RRR(V1ADDUC, 0, X0):
case OE_RRR(V1ADDUC, 0, X1):
case OE_RRR(V1ADD, 0, X0):
case OE_RRR(V1ADD, 0, X1):
case OE_RRR(V1ADIFFU, 0, X0):
case OE_RRR(V1AVGU, 0, X0):
case OE_RRR(V1CMPEQ, 0, X0):
case OE_RRR(V1CMPEQ, 0, X1):
case OE_RRR(V1CMPLES, 0, X0):
case OE_RRR(V1CMPLES, 0, X1):
case OE_RRR(V1CMPLEU, 0, X0):
case OE_RRR(V1CMPLEU, 0, X1):
case OE_RRR(V1CMPLTS, 0, X0):
case OE_RRR(V1CMPLTS, 0, X1):
case OE_RRR(V1CMPLTU, 0, X0):
case OE_RRR(V1CMPLTU, 0, X1):
case OE_RRR(V1CMPNE, 0, X0):
case OE_RRR(V1CMPNE, 0, X1):
case OE_RRR(V1DDOTPUA, 0, X0):
case OE_RRR(V1DDOTPUSA, 0, X0):
case OE_RRR(V1DDOTPUS, 0, X0):
case OE_RRR(V1DDOTPU, 0, X0):
case OE_RRR(V1DOTPA, 0, X0):
case OE_RRR(V1DOTPUA, 0, X0):
case OE_RRR(V1DOTPUSA, 0, X0):
case OE_RRR(V1DOTPUS, 0, X0):
case OE_RRR(V1DOTPU, 0, X0):
case OE_RRR(V1DOTP, 0, X0):
case OE_RRR(V1INT_H, 0, X0):
case OE_RRR(V1INT_H, 0, X1):
case OE_RRR(V1INT_L, 0, X0):
case OE_RRR(V1INT_L, 0, X1):
case OE_RRR(V1MAXU, 0, X0):
case OE_RRR(V1MAXU, 0, X1):
case OE_RRR(V1MINU, 0, X0):
case OE_RRR(V1MINU, 0, X1):
case OE_RRR(V1MNZ, 0, X0):
case OE_RRR(V1MNZ, 0, X1):
case OE_RRR(V1MULTU, 0, X0):
case OE_RRR(V1MULUS, 0, X0):
case OE_RRR(V1MULU, 0, X0):
case OE_RRR(V1MZ, 0, X0):
case OE_RRR(V1MZ, 0, X1):
case OE_RRR(V1SADAU, 0, X0):
case OE_RRR(V1SADU, 0, X0):
case OE_RRR(V1SHL, 0, X0):
case OE_RRR(V1SHL, 0, X1):
case OE_RRR(V1SHRS, 0, X0):
case OE_RRR(V1SHRS, 0, X1):
case OE_RRR(V1SHRU, 0, X0):
case OE_RRR(V1SHRU, 0, X1):
case OE_RRR(V1SUBUC, 0, X0):
case OE_RRR(V1SUBUC, 0, X1):
case OE_RRR(V1SUB, 0, X0):
case OE_RRR(V1SUB, 0, X1):
case OE_RRR(V2ADDSC, 0, X0):
case OE_RRR(V2ADDSC, 0, X1):
case OE_RRR(V2ADD, 0, X0):
case OE_RRR(V2ADD, 0, X1):
case OE_RRR(V2ADIFFS, 0, X0):
case OE_RRR(V2AVGS, 0, X0):
case OE_RRR(V2CMPEQ, 0, X0):
case OE_RRR(V2CMPEQ, 0, X1):
case OE_RRR(V2CMPLES, 0, X0):
case OE_RRR(V2CMPLES, 0, X1):
case OE_RRR(V2CMPLEU, 0, X0):
case OE_RRR(V2CMPLEU, 0, X1):
case OE_RRR(V2CMPLTS, 0, X0):
case OE_RRR(V2CMPLTS, 0, X1):
case OE_RRR(V2CMPLTU, 0, X0):
case OE_RRR(V2CMPLTU, 0, X1):
case OE_RRR(V2CMPNE, 0, X0):
case OE_RRR(V2CMPNE, 0, X1):
case OE_RRR(V2DOTPA, 0, X0):
case OE_RRR(V2DOTP, 0, X0):
case OE_RRR(V2INT_H, 0, X0):
case OE_RRR(V2INT_H, 0, X1):
case OE_RRR(V2INT_L, 0, X0):
case OE_RRR(V2INT_L, 0, X1):
case OE_RRR(V2MAXS, 0, X0):
case OE_RRR(V2MAXS, 0, X1):
case OE_RRR(V2MINS, 0, X0):
case OE_RRR(V2MINS, 0, X1):
case OE_RRR(V2MNZ, 0, X0):
case OE_RRR(V2MNZ, 0, X1):
case OE_RRR(V2MULFSC, 0, X0):
case OE_RRR(V2MULS, 0, X0):
case OE_RRR(V2MULTS, 0, X0):
case OE_RRR(V2MZ, 0, X0):
case OE_RRR(V2MZ, 0, X1):
case OE_RRR(V2PACKH, 0, X0):
case OE_RRR(V2PACKH, 0, X1):
case OE_RRR(V2PACKL, 0, X0):
case OE_RRR(V2PACKL, 0, X1):
case OE_RRR(V2PACKUC, 0, X0):
case OE_RRR(V2PACKUC, 0, X1):
case OE_RRR(V2SADAS, 0, X0):
case OE_RRR(V2SADAU, 0, X0):
case OE_RRR(V2SADS, 0, X0):
case OE_RRR(V2SADU, 0, X0):
case OE_RRR(V2SHLSC, 0, X0):
case OE_RRR(V2SHLSC, 0, X1):
case OE_RRR(V2SHL, 0, X0):
case OE_RRR(V2SHL, 0, X1):
case OE_RRR(V2SHRS, 0, X0):
case OE_RRR(V2SHRS, 0, X1):
case OE_RRR(V2SHRU, 0, X0):
case OE_RRR(V2SHRU, 0, X1):
case OE_RRR(V2SUBSC, 0, X0):
case OE_RRR(V2SUBSC, 0, X1):
case OE_RRR(V2SUB, 0, X0):
case OE_RRR(V2SUB, 0, X1):
case OE_RRR(V4ADDSC, 0, X0):
case OE_RRR(V4ADDSC, 0, X1):
case OE_RRR(V4ADD, 0, X0):
case OE_RRR(V4ADD, 0, X1):
case OE_RRR(V4INT_H, 0, X0):
case OE_RRR(V4INT_H, 0, X1):
case OE_RRR(V4INT_L, 0, X0):
case OE_RRR(V4INT_L, 0, X1):
case OE_RRR(V4PACKSC, 0, X0):
case OE_RRR(V4PACKSC, 0, X1):
case OE_RRR(V4SHLSC, 0, X0):
case OE_RRR(V4SHLSC, 0, X1):
case OE_RRR(V4SHL, 0, X0):
case OE_RRR(V4SHL, 0, X1):
case OE_RRR(V4SHRS, 0, X0):
case OE_RRR(V4SHRS, 0, X1):
case OE_RRR(V4SHRU, 0, X0):
case OE_RRR(V4SHRU, 0, X1):
case OE_RRR(V4SUBSC, 0, X0):
case OE_RRR(V4SUBSC, 0, X1):
case OE_RRR(V4SUB, 0, X0):
case OE_RRR(V4SUB, 0, X1):
case OE_RRR(XOR, 0, X0):
case OE_RRR(XOR, 0, X1):
case OE_RRR(XOR, 5, Y0):
case OE_RRR(XOR, 5, Y1):
default:
return TILEGX_EXCP_OPCODE_UNIMPLEMENTED;
}
qemu_log_mask(CPU_LOG_TB_IN_ASM, "%s %s, %s, %s", mnemonic,
reg_names[dest], reg_names[srca], reg_names[srcb]);
return TILEGX_EXCP_NONE;
}
static TileExcp gen_rri_opcode(DisasContext *dc, unsigned opext,
unsigned dest, unsigned srca, int imm)
{
const char *mnemonic;
switch (opext) {
case OE_IM(ADDI, X0):
case OE_IM(ADDI, X1):
case OE_IM(ADDXI, X0):
case OE_IM(ADDXI, X1):
case OE_IM(ANDI, X0):
case OE_IM(ANDI, X1):
case OE_IM(CMPEQI, X0):
case OE_IM(CMPEQI, X1):
case OE_IM(CMPLTSI, X0):
case OE_IM(CMPLTSI, X1):
case OE_IM(CMPLTUI, X0):
case OE_IM(CMPLTUI, X1):
case OE_IM(LD1S_ADD, X1):
case OE_IM(LD1U_ADD, X1):
case OE_IM(LD2S_ADD, X1):
case OE_IM(LD2U_ADD, X1):
case OE_IM(LD4S_ADD, X1):
case OE_IM(LD4U_ADD, X1):
case OE_IM(LDNT1S_ADD, X1):
case OE_IM(LDNT1U_ADD, X1):
case OE_IM(LDNT2S_ADD, X1):
case OE_IM(LDNT2U_ADD, X1):
case OE_IM(LDNT4S_ADD, X1):
case OE_IM(LDNT4U_ADD, X1):
case OE_IM(LDNT_ADD, X1):
case OE_IM(LD_ADD, X1):
case OE_IM(LDNA_ADD, X1):
case OE_IM(MFSPR, X1):
case OE_IM(MTSPR, X1):
case OE_IM(ORI, X0):
case OE_IM(ORI, X1):
case OE_IM(ST1_ADD, X1):
case OE_IM(ST2_ADD, X1):
case OE_IM(ST4_ADD, X1):
case OE_IM(STNT1_ADD, X1):
case OE_IM(STNT2_ADD, X1):
case OE_IM(STNT4_ADD, X1):
case OE_IM(STNT_ADD, X1):
case OE_IM(ST_ADD, X1):
case OE_IM(V1ADDI, X0):
case OE_IM(V1ADDI, X1):
case OE_IM(V1CMPEQI, X0):
case OE_IM(V1CMPEQI, X1):
case OE_IM(V1CMPLTSI, X0):
case OE_IM(V1CMPLTSI, X1):
case OE_IM(V1CMPLTUI, X0):
case OE_IM(V1CMPLTUI, X1):
case OE_IM(V1MAXUI, X0):
case OE_IM(V1MAXUI, X1):
case OE_IM(V1MINUI, X0):
case OE_IM(V1MINUI, X1):
case OE_IM(V2ADDI, X0):
case OE_IM(V2ADDI, X1):
case OE_IM(V2CMPEQI, X0):
case OE_IM(V2CMPEQI, X1):
case OE_IM(V2CMPLTSI, X0):
case OE_IM(V2CMPLTSI, X1):
case OE_IM(V2CMPLTUI, X0):
case OE_IM(V2CMPLTUI, X1):
case OE_IM(V2MAXSI, X0):
case OE_IM(V2MAXSI, X1):
case OE_IM(V2MINSI, X0):
case OE_IM(V2MINSI, X1):
case OE_IM(XORI, X0):
case OE_IM(XORI, X1):
case OE_SH(ROTLI, X0):
case OE_SH(ROTLI, X1):
case OE_SH(ROTLI, Y0):
case OE_SH(ROTLI, Y1):
case OE_SH(SHLI, X0):
case OE_SH(SHLI, X1):
case OE_SH(SHLI, Y0):
case OE_SH(SHLI, Y1):
case OE_SH(SHLXI, X0):
case OE_SH(SHLXI, X1):
case OE_SH(SHRSI, X0):
case OE_SH(SHRSI, X1):
case OE_SH(SHRSI, Y0):
case OE_SH(SHRSI, Y1):
case OE_SH(SHRUI, X0):
case OE_SH(SHRUI, X1):
case OE_SH(SHRUI, Y0):
case OE_SH(SHRUI, Y1):
case OE_SH(SHRUXI, X0):
case OE_SH(SHRUXI, X1):
case OE_SH(V1SHLI, X0):
case OE_SH(V1SHLI, X1):
case OE_SH(V1SHRSI, X0):
case OE_SH(V1SHRSI, X1):
case OE_SH(V1SHRUI, X0):
case OE_SH(V1SHRUI, X1):
case OE_SH(V2SHLI, X0):
case OE_SH(V2SHLI, X1):
case OE_SH(V2SHRSI, X0):
case OE_SH(V2SHRSI, X1):
case OE_SH(V2SHRUI, X0):
case OE_SH(V2SHRUI, X1):
case OE(ADDI_OPCODE_Y0, 0, Y0):
case OE(ADDI_OPCODE_Y1, 0, Y1):
case OE(ADDLI_OPCODE_X0, 0, X0):
case OE(ADDLI_OPCODE_X1, 0, X1):
case OE(ADDXI_OPCODE_Y0, 0, Y0):
case OE(ADDXI_OPCODE_Y1, 0, Y1):
case OE(ADDXLI_OPCODE_X0, 0, X0):
case OE(ADDXLI_OPCODE_X1, 0, X1):
case OE(ANDI_OPCODE_Y0, 0, Y0):
case OE(ANDI_OPCODE_Y1, 0, Y1):
case OE(CMPEQI_OPCODE_Y0, 0, Y0):
case OE(CMPEQI_OPCODE_Y1, 0, Y1):
case OE(CMPLTSI_OPCODE_Y0, 0, Y0):
case OE(CMPLTSI_OPCODE_Y1, 0, Y1):
case OE(SHL16INSLI_OPCODE_X0, 0, X0):
case OE(SHL16INSLI_OPCODE_X1, 0, X1):
default:
return TILEGX_EXCP_OPCODE_UNIMPLEMENTED;
}
qemu_log_mask(CPU_LOG_TB_IN_ASM, "%s %s, %s, %d", mnemonic,
reg_names[dest], reg_names[srca], imm);
return TILEGX_EXCP_NONE;
}
static TileExcp gen_bf_opcode_x0(DisasContext *dc, unsigned ext,
unsigned dest, unsigned srca,
unsigned bfs, unsigned bfe)
{
const char *mnemonic;
switch (ext) {
case BFEXTU_BF_OPCODE_X0:
case BFEXTS_BF_OPCODE_X0:
case BFINS_BF_OPCODE_X0:
case MM_BF_OPCODE_X0:
default:
return TILEGX_EXCP_OPCODE_UNIMPLEMENTED;
}
qemu_log_mask(CPU_LOG_TB_IN_ASM, "%s %s, %s, %u, %u", mnemonic,
reg_names[dest], reg_names[srca], bfs, bfe);
return TILEGX_EXCP_NONE;
}
static TileExcp gen_branch_opcode_x1(DisasContext *dc, unsigned ext,
unsigned srca, int off)
{
target_ulong tgt = dc->pc + off * TILEGX_BUNDLE_SIZE_IN_BYTES;
const char *mnemonic;
switch (ext) {
case BEQZT_BRANCH_OPCODE_X1:
case BEQZ_BRANCH_OPCODE_X1:
case BNEZT_BRANCH_OPCODE_X1:
case BNEZ_BRANCH_OPCODE_X1:
case BLBC_BRANCH_OPCODE_X1:
case BGEZT_BRANCH_OPCODE_X1:
case BGEZ_BRANCH_OPCODE_X1:
case BGTZT_BRANCH_OPCODE_X1:
case BGTZ_BRANCH_OPCODE_X1:
case BLBCT_BRANCH_OPCODE_X1:
case BLBST_BRANCH_OPCODE_X1:
case BLBS_BRANCH_OPCODE_X1:
case BLEZT_BRANCH_OPCODE_X1:
case BLEZ_BRANCH_OPCODE_X1:
case BLTZT_BRANCH_OPCODE_X1:
case BLTZ_BRANCH_OPCODE_X1:
default:
return TILEGX_EXCP_OPCODE_UNIMPLEMENTED;
}
if (qemu_loglevel_mask(CPU_LOG_TB_IN_ASM)) {
qemu_log("%s %s, " TARGET_FMT_lx " <%s>",
mnemonic, reg_names[srca], tgt, lookup_symbol(tgt));
}
return TILEGX_EXCP_NONE;
}
static TileExcp gen_jump_opcode_x1(DisasContext *dc, unsigned ext,
int off)
{
target_ulong tgt = dc->pc + off * TILEGX_BUNDLE_SIZE_IN_BYTES;
const char *mnemonic;
switch (ext) {
case JAL_JUMP_OPCODE_X1:
case J_JUMP_OPCODE_X1:
default:
return TILEGX_EXCP_OPCODE_UNIMPLEMENTED;
}
if (qemu_loglevel_mask(CPU_LOG_TB_IN_ASM)) {
qemu_log("%s " TARGET_FMT_lx " <%s>",
mnemonic, tgt, lookup_symbol(tgt));
}
return TILEGX_EXCP_NONE;
}
static TileExcp decode_y0(DisasContext *dc, tilegx_bundle_bits bundle)
{
unsigned opc = get_Opcode_Y0(bundle);
unsigned ext = get_RRROpcodeExtension_Y0(bundle);
unsigned dest = get_Dest_Y0(bundle);
unsigned srca = get_SrcA_Y0(bundle);
unsigned srcb;
int imm;
switch (opc) {
case RRR_1_OPCODE_Y0:
if (ext == UNARY_RRR_1_OPCODE_Y0) {
ext = get_UnaryOpcodeExtension_Y0(bundle);
return gen_rr_opcode(dc, OE(opc, ext, Y0), dest, srca);
}
/* fallthru */
case RRR_0_OPCODE_Y0:
case RRR_2_OPCODE_Y0:
case RRR_3_OPCODE_Y0:
case RRR_4_OPCODE_Y0:
case RRR_5_OPCODE_Y0:
case RRR_6_OPCODE_Y0:
case RRR_7_OPCODE_Y0:
case RRR_8_OPCODE_Y0:
case RRR_9_OPCODE_Y0:
srcb = get_SrcB_Y0(bundle);
return gen_rrr_opcode(dc, OE(opc, ext, Y0), dest, srca, srcb);
case SHIFT_OPCODE_Y0:
ext = get_ShiftOpcodeExtension_Y0(bundle);
imm = get_ShAmt_Y0(bundle);
return gen_rri_opcode(dc, OE(opc, ext, Y0), dest, srca, imm);
case ADDI_OPCODE_Y0:
case ADDXI_OPCODE_Y0:
case ANDI_OPCODE_Y0:
case CMPEQI_OPCODE_Y0:
case CMPLTSI_OPCODE_Y0:
imm = (int8_t)get_Imm8_Y0(bundle);
return gen_rri_opcode(dc, OE(opc, 0, Y0), dest, srca, imm);
default:
return TILEGX_EXCP_OPCODE_UNIMPLEMENTED;
}
}
static TileExcp decode_y1(DisasContext *dc, tilegx_bundle_bits bundle)
{
unsigned opc = get_Opcode_Y1(bundle);
unsigned ext = get_RRROpcodeExtension_Y1(bundle);
unsigned dest = get_Dest_Y1(bundle);
unsigned srca = get_SrcA_Y1(bundle);
unsigned srcb;
int imm;
switch (get_Opcode_Y1(bundle)) {
case RRR_1_OPCODE_Y1:
if (ext == UNARY_RRR_1_OPCODE_Y0) {
ext = get_UnaryOpcodeExtension_Y1(bundle);
return gen_rr_opcode(dc, OE(opc, ext, Y1), dest, srca);
}
/* fallthru */
case RRR_0_OPCODE_Y1:
case RRR_2_OPCODE_Y1:
case RRR_3_OPCODE_Y1:
case RRR_4_OPCODE_Y1:
case RRR_5_OPCODE_Y1:
case RRR_6_OPCODE_Y1:
case RRR_7_OPCODE_Y1:
srcb = get_SrcB_Y1(bundle);
return gen_rrr_opcode(dc, OE(opc, ext, Y1), dest, srca, srcb);
case SHIFT_OPCODE_Y1:
ext = get_ShiftOpcodeExtension_Y1(bundle);
imm = get_ShAmt_Y1(bundle);
return gen_rri_opcode(dc, OE(opc, ext, Y1), dest, srca, imm);
case ADDI_OPCODE_Y1:
case ADDXI_OPCODE_Y1:
case ANDI_OPCODE_Y1:
case CMPEQI_OPCODE_Y1:
case CMPLTSI_OPCODE_Y1:
imm = (int8_t)get_Imm8_Y1(bundle);
return gen_rri_opcode(dc, OE(opc, 0, Y1), dest, srca, imm);
default:
return TILEGX_EXCP_OPCODE_UNIMPLEMENTED;
}
}
static TileExcp decode_y2(DisasContext *dc, tilegx_bundle_bits bundle)
{
unsigned mode = get_Mode(bundle);
unsigned opc = get_Opcode_Y2(bundle);
unsigned srca = get_SrcA_Y2(bundle);
unsigned srcbdest = get_SrcBDest_Y2(bundle);
const char *mnemonic;
switch (OEY2(opc, mode)) {
case OEY2(LD1S_OPCODE_Y2, MODE_OPCODE_YA2):
case OEY2(LD1U_OPCODE_Y2, MODE_OPCODE_YA2):
case OEY2(LD2S_OPCODE_Y2, MODE_OPCODE_YA2):
case OEY2(LD2U_OPCODE_Y2, MODE_OPCODE_YA2):
case OEY2(LD4S_OPCODE_Y2, MODE_OPCODE_YB2):
case OEY2(LD4U_OPCODE_Y2, MODE_OPCODE_YB2):
case OEY2(LD_OPCODE_Y2, MODE_OPCODE_YB2):
case OEY2(ST1_OPCODE_Y2, MODE_OPCODE_YC2):
case OEY2(ST2_OPCODE_Y2, MODE_OPCODE_YC2):
case OEY2(ST4_OPCODE_Y2, MODE_OPCODE_YC2):
case OEY2(ST_OPCODE_Y2, MODE_OPCODE_YC2):
default:
return TILEGX_EXCP_OPCODE_UNIMPLEMENTED;
}
qemu_log_mask(CPU_LOG_TB_IN_ASM, "%s %s, %s", mnemonic,
reg_names[srca], reg_names[srcbdest]);
return TILEGX_EXCP_NONE;
}
static TileExcp decode_x0(DisasContext *dc, tilegx_bundle_bits bundle)
{
unsigned opc = get_Opcode_X0(bundle);
unsigned dest = get_Dest_X0(bundle);
unsigned srca = get_SrcA_X0(bundle);
unsigned ext, srcb, bfs, bfe;
int imm;
switch (opc) {
case RRR_0_OPCODE_X0:
ext = get_RRROpcodeExtension_X0(bundle);
if (ext == UNARY_RRR_0_OPCODE_X0) {
ext = get_UnaryOpcodeExtension_X0(bundle);
return gen_rr_opcode(dc, OE(opc, ext, X0), dest, srca);
}
srcb = get_SrcB_X0(bundle);
return gen_rrr_opcode(dc, OE(opc, ext, X0), dest, srca, srcb);
case SHIFT_OPCODE_X0:
ext = get_ShiftOpcodeExtension_X0(bundle);
imm = get_ShAmt_X0(bundle);
return gen_rri_opcode(dc, OE(opc, ext, X0), dest, srca, imm);
case IMM8_OPCODE_X0:
ext = get_Imm8OpcodeExtension_X0(bundle);
imm = (int8_t)get_Imm8_X0(bundle);
return gen_rri_opcode(dc, OE(opc, ext, X0), dest, srca, imm);
case BF_OPCODE_X0:
ext = get_BFOpcodeExtension_X0(bundle);
bfs = get_BFStart_X0(bundle);
bfe = get_BFEnd_X0(bundle);
return gen_bf_opcode_x0(dc, ext, dest, srca, bfs, bfe);
case ADDLI_OPCODE_X0:
case SHL16INSLI_OPCODE_X0:
case ADDXLI_OPCODE_X0:
imm = (int16_t)get_Imm16_X0(bundle);
return gen_rri_opcode(dc, OE(opc, 0, X0), dest, srca, imm);
default:
return TILEGX_EXCP_OPCODE_UNIMPLEMENTED;
}
}
static TileExcp decode_x1(DisasContext *dc, tilegx_bundle_bits bundle)
{
unsigned opc = get_Opcode_X1(bundle);
unsigned dest = get_Dest_X1(bundle);
unsigned srca = get_SrcA_X1(bundle);
unsigned ext, srcb;
int imm;
switch (opc) {
case RRR_0_OPCODE_X1:
ext = get_RRROpcodeExtension_X1(bundle);
if (ext == UNARY_RRR_0_OPCODE_X1) {
ext = get_UnaryOpcodeExtension_X1(bundle);
return gen_rr_opcode(dc, OE(opc, ext, X1), dest, srca);
}
srcb = get_SrcB_X1(bundle);
return gen_rrr_opcode(dc, OE(opc, ext, X1), dest, srca, srcb);
case SHIFT_OPCODE_X1:
ext = get_ShiftOpcodeExtension_X1(bundle);
imm = get_ShAmt_X1(bundle);
return gen_rri_opcode(dc, OE(opc, ext, X1), dest, srca, imm);
case IMM8_OPCODE_X1:
ext = get_Imm8OpcodeExtension_X1(bundle);
imm = (int8_t)get_Imm8_X1(bundle);
return gen_rri_opcode(dc, OE(opc, ext, X1), dest, srca, imm);
case BRANCH_OPCODE_X1:
ext = get_BrType_X1(bundle);
imm = sextract32(get_BrOff_X1(bundle), 0, 17);
return gen_branch_opcode_x1(dc, ext, srca, imm);
case JUMP_OPCODE_X1:
ext = get_JumpOpcodeExtension_X1(bundle);
imm = sextract32(get_JumpOff_X1(bundle), 0, 27);
return gen_jump_opcode_x1(dc, ext, imm);
case ADDLI_OPCODE_X1:
case SHL16INSLI_OPCODE_X1:
case ADDXLI_OPCODE_X1:
imm = (int16_t)get_Imm16_X1(bundle);
return gen_rri_opcode(dc, OE(opc, 0, X1), dest, srca, imm);
default:
return TILEGX_EXCP_OPCODE_UNIMPLEMENTED;
}
}
static void notice_excp(DisasContext *dc, uint64_t bundle,
const char *type, TileExcp excp)
{
if (likely(excp == TILEGX_EXCP_NONE)) {
return;
}
gen_exception(dc, excp);
if (excp == TILEGX_EXCP_OPCODE_UNIMPLEMENTED) {
qemu_log_mask(LOG_UNIMP, "UNIMP %s, [" FMT64X "]\n", type, bundle);
}
}
static void translate_one_bundle(DisasContext *dc, uint64_t bundle)
{
int i;
for (i = 0; i < ARRAY_SIZE(dc->wb); i++) {
DisasContextTemp *wb = &dc->wb[i];
wb->reg = TILEGX_R_NOREG;
TCGV_UNUSED_I64(wb->val);
}
dc->num_wb = 0;
if (unlikely(qemu_loglevel_mask(CPU_LOG_TB_OP | CPU_LOG_TB_OP_OPT))) {
tcg_gen_debug_insn_start(dc->pc);
}
qemu_log_mask(CPU_LOG_TB_IN_ASM, " %" PRIx64 ": { ", dc->pc);
if (get_Mode(bundle)) {
notice_excp(dc, bundle, "y0", decode_y0(dc, bundle));
qemu_log_mask(CPU_LOG_TB_IN_ASM, " ; ");
notice_excp(dc, bundle, "y1", decode_y1(dc, bundle));
qemu_log_mask(CPU_LOG_TB_IN_ASM, " ; ");
notice_excp(dc, bundle, "y2", decode_y2(dc, bundle));
} else {
notice_excp(dc, bundle, "x0", decode_x0(dc, bundle));
qemu_log_mask(CPU_LOG_TB_IN_ASM, " ; ");
notice_excp(dc, bundle, "x1", decode_x1(dc, bundle));
}
qemu_log_mask(CPU_LOG_TB_IN_ASM, " }\n");
for (i = dc->num_wb - 1; i >= 0; --i) {
DisasContextTemp *wb = &dc->wb[i];
if (wb->reg < TILEGX_R_COUNT) {
tcg_gen_mov_i64(cpu_regs[wb->reg], wb->val);
}
tcg_temp_free_i64(wb->val);
}
if (dc->jmp.cond != TCG_COND_NEVER) {
if (dc->jmp.cond == TCG_COND_ALWAYS) {
tcg_gen_mov_i64(cpu_pc, dc->jmp.dest);
} else {
TCGv next = tcg_const_i64(dc->pc + TILEGX_BUNDLE_SIZE_IN_BYTES);
tcg_gen_movcond_i64(dc->jmp.cond, cpu_pc,
dc->jmp.val1, load_zero(dc),
dc->jmp.dest, next);
tcg_temp_free_i64(dc->jmp.val1);
tcg_temp_free_i64(next);
}
tcg_temp_free_i64(dc->jmp.dest);
tcg_gen_exit_tb(0);
dc->exit_tb = true;
}
}
static inline void gen_intermediate_code_internal(TileGXCPU *cpu,
TranslationBlock *tb,
bool search_pc)
{
DisasContext ctx;
DisasContext *dc = &ctx;
CPUState *cs = CPU(cpu);
CPUTLGState *env = &cpu->env;
uint64_t pc_start = tb->pc;
uint64_t next_page_start = (pc_start & TARGET_PAGE_MASK) + TARGET_PAGE_SIZE;
int j, lj = -1;
int num_insns = 0;
int max_insns = tb->cflags & CF_COUNT_MASK;
dc->pc = pc_start;
dc->mmuidx = 0;
dc->exit_tb = false;
dc->jmp.cond = TCG_COND_NEVER;
TCGV_UNUSED_I64(dc->jmp.dest);
TCGV_UNUSED_I64(dc->jmp.val1);
TCGV_UNUSED_I64(dc->jmp.val2);
TCGV_UNUSED_I64(dc->zero);
if (qemu_loglevel_mask(CPU_LOG_TB_IN_ASM)) {
qemu_log("IN: %s\n", lookup_symbol(pc_start));
}
if (!max_insns) {
max_insns = CF_COUNT_MASK;
}
if (cs->singlestep_enabled || singlestep) {
max_insns = 1;
}
gen_tb_start(tb);
while (1) {
if (search_pc) {
j = tcg_op_buf_count();
if (lj < j) {
lj++;
while (lj < j) {
tcg_ctx.gen_opc_instr_start[lj++] = 0;
}
}
tcg_ctx.gen_opc_pc[lj] = dc->pc;
tcg_ctx.gen_opc_instr_start[lj] = 1;
tcg_ctx.gen_opc_icount[lj] = num_insns;
}
translate_one_bundle(dc, cpu_ldq_data(env, dc->pc));
if (dc->exit_tb) {
/* PC updated and EXIT_TB/GOTO_TB/exception emitted. */
break;
}
dc->pc += TILEGX_BUNDLE_SIZE_IN_BYTES;
if (++num_insns >= max_insns
|| dc->pc >= next_page_start
|| tcg_op_buf_full()) {
/* Ending the TB due to TB size or page boundary. Set PC. */
tcg_gen_movi_tl(cpu_pc, dc->pc);
tcg_gen_exit_tb(0);
break;
}
}
gen_tb_end(tb, num_insns);
if (search_pc) {
j = tcg_op_buf_count();
lj++;
while (lj <= j) {
tcg_ctx.gen_opc_instr_start[lj++] = 0;
}
} else {
tb->size = dc->pc - pc_start;
tb->icount = num_insns;
}
qemu_log_mask(CPU_LOG_TB_IN_ASM, "\n");
}
void gen_intermediate_code(CPUTLGState *env, struct TranslationBlock *tb)
{
gen_intermediate_code_internal(tilegx_env_get_cpu(env), tb, false);
}
void gen_intermediate_code_pc(CPUTLGState *env, struct TranslationBlock *tb)
{
gen_intermediate_code_internal(tilegx_env_get_cpu(env), tb, true);
}
void restore_state_to_opc(CPUTLGState *env, TranslationBlock *tb, int pc_pos)
{
env->pc = tcg_ctx.gen_opc_pc[pc_pos];
}
void tilegx_tcg_init(void)
{
int i;
cpu_env = tcg_global_reg_new_ptr(TCG_AREG0, "env");
cpu_pc = tcg_global_mem_new_i64(TCG_AREG0, offsetof(CPUTLGState, pc), "pc");
for (i = 0; i < TILEGX_R_COUNT; i++) {
cpu_regs[i] = tcg_global_mem_new_i64(TCG_AREG0,
offsetof(CPUTLGState, regs[i]),
reg_names[i]);
}
}