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qemu-e2k/target/tilegx/translate.c
Tony Nguyen 14776ab5a1 tcg: TCGMemOp is now accelerator independent MemOp 
Preparation for collapsing the two byte swaps, adjust_endianness and
handle_bswap, along the I/O path.

Target dependant attributes are conditionalized upon NEED_CPU_H.

Signed-off-by: Tony Nguyen <tony.nguyen@bt.com>
Acked-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Acked-by: Cornelia Huck <cohuck@redhat.com>
Message-Id: <81d9cd7d7f5aaadfa772d6c48ecee834e9cf7882.1566466906.git.tony.nguyen@bt.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2019-09-03 08:30:38 -07:00

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/*
* 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 "qemu/osdep.h"
#include "cpu.h"
#include "qemu/log.h"
#include "exec/log.h"
#include "disas/disas.h"
#include "exec/exec-all.h"
#include "tcg-op.h"
#include "exec/cpu_ldst.h"
#include "linux-user/syscall_defs.h"
#include "opcode_tilegx.h"
#include "spr_def_64.h"
#define FMT64X "%016" PRIx64
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;
TileExcp atomic_excp;
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)
#define V1_IMM(X) (((X) & 0xff) * 0x0101010101010101ull)
#define V2_IMM(X) (((X) & 0xffff) * 0x0001000100010001ull)
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 bool check_gr(DisasContext *dc, uint8_t reg)
{
if (likely(reg < TILEGX_R_COUNT)) {
return true;
}
switch (reg) {
case TILEGX_R_SN:
case TILEGX_R_ZERO:
break;
case TILEGX_R_IDN0:
case TILEGX_R_IDN1:
gen_exception(dc, TILEGX_EXCP_REG_IDN_ACCESS);
break;
case TILEGX_R_UDN0:
case TILEGX_R_UDN1:
case TILEGX_R_UDN2:
case TILEGX_R_UDN3:
gen_exception(dc, TILEGX_EXCP_REG_UDN_ACCESS);
break;
default:
g_assert_not_reached();
}
return false;
}
static TCGv load_zero(DisasContext *dc)
{
if (!dc->zero) {
dc->zero = tcg_const_i64(0);
}
return dc->zero;
}
static TCGv load_gr(DisasContext *dc, unsigned reg)
{
if (check_gr(dc, reg)) {
return cpu_regs[reg];
}
return load_zero(dc);
}
static TCGv dest_gr(DisasContext *dc, unsigned reg)
{
int n;
/* Skip the result, mark the exception if necessary, and continue */
check_gr(dc, reg);
n = dc->num_wb++;
dc->wb[n].reg = reg;
return dc->wb[n].val = tcg_temp_new_i64();
}
static void gen_saturate_op(TCGv tdest, TCGv tsrca, TCGv tsrcb,
void (*operate)(TCGv, TCGv, TCGv))
{
TCGv t0 = tcg_temp_new();
tcg_gen_ext32s_tl(tdest, tsrca);
tcg_gen_ext32s_tl(t0, tsrcb);
operate(tdest, tdest, t0);
tcg_gen_movi_tl(t0, 0x7fffffff);
tcg_gen_movcond_tl(TCG_COND_GT, tdest, tdest, t0, t0, tdest);
tcg_gen_movi_tl(t0, -0x80000000LL);
tcg_gen_movcond_tl(TCG_COND_LT, tdest, tdest, t0, t0, tdest);
tcg_temp_free(t0);
}
static void gen_atomic_excp(DisasContext *dc, unsigned dest, TCGv tdest,
TCGv tsrca, TCGv tsrcb, TileExcp excp)
{
#ifdef CONFIG_USER_ONLY
TCGv_i32 t;
tcg_gen_st_tl(tsrca, cpu_env, offsetof(CPUTLGState, atomic_srca));
tcg_gen_st_tl(tsrcb, cpu_env, offsetof(CPUTLGState, atomic_srcb));
t = tcg_const_i32(dest);
tcg_gen_st_i32(t, cpu_env, offsetof(CPUTLGState, atomic_dstr));
tcg_temp_free_i32(t);
/* We're going to write the real result in the exception. But in
the meantime we've already created a writeback register, and
we don't want that to remain uninitialized. */
tcg_gen_movi_tl(tdest, 0);
/* Note that we need to delay issuing the exception that implements
the atomic operation until after writing back the results of the
instruction occupying the X0 pipe. */
dc->atomic_excp = excp;
#else
gen_exception(dc, TILEGX_EXCP_OPCODE_UNIMPLEMENTED);
#endif
}
/* Shift the 128-bit value TSRCA:TSRCD right by the number of bytes
specified by the bottom 3 bits of TSRCB, and set TDEST to the
low 64 bits of the resulting value. */
static void gen_dblalign(TCGv tdest, TCGv tsrcd, TCGv tsrca, TCGv tsrcb)
{
TCGv t0 = tcg_temp_new();
tcg_gen_andi_tl(t0, tsrcb, 7);
tcg_gen_shli_tl(t0, t0, 3);
tcg_gen_shr_tl(tdest, tsrcd, t0);
/* We want to do "t0 = tsrca << (64 - t0)". Two's complement
arithmetic on a 6-bit field tells us that 64 - t0 is equal
to (t0 ^ 63) + 1. So we can do the shift in two parts,
neither of which will be an invalid shift by 64. */
tcg_gen_xori_tl(t0, t0, 63);
tcg_gen_shl_tl(t0, tsrca, t0);
tcg_gen_shli_tl(t0, t0, 1);
tcg_gen_or_tl(tdest, tdest, t0);
tcg_temp_free(t0);
}
/* Similarly, except that the 128-bit value is TSRCA:TSRCB, and the
right shift is an immediate. */
static void gen_dblaligni(TCGv tdest, TCGv tsrca, TCGv tsrcb, int shr)
{
TCGv t0 = tcg_temp_new();
tcg_gen_shri_tl(t0, tsrcb, shr);
tcg_gen_shli_tl(tdest, tsrca, 64 - shr);
tcg_gen_or_tl(tdest, tdest, t0);
tcg_temp_free(t0);
}
typedef enum {
LU, LS, HU, HS
} MulHalf;
static void gen_ext_half(TCGv d, TCGv s, MulHalf h)
{
switch (h) {
case LU:
tcg_gen_ext32u_tl(d, s);
break;
case LS:
tcg_gen_ext32s_tl(d, s);
break;
case HU:
tcg_gen_shri_tl(d, s, 32);
break;
case HS:
tcg_gen_sari_tl(d, s, 32);
break;
}
}
static void gen_mul_half(TCGv tdest, TCGv tsrca, TCGv tsrcb,
MulHalf ha, MulHalf hb)
{
TCGv t = tcg_temp_new();
gen_ext_half(t, tsrca, ha);
gen_ext_half(tdest, tsrcb, hb);
tcg_gen_mul_tl(tdest, tdest, t);
tcg_temp_free(t);
}
static void gen_cmul2(TCGv tdest, TCGv tsrca, TCGv tsrcb, int sh, int rd)
{
TCGv_i32 tsh = tcg_const_i32(sh);
TCGv_i32 trd = tcg_const_i32(rd);
gen_helper_cmul2(tdest, tsrca, tsrcb, tsh, trd);
tcg_temp_free_i32(tsh);
tcg_temp_free_i32(trd);
}
static TileExcp gen_st_opcode(DisasContext *dc, unsigned dest, unsigned srca,
unsigned srcb, MemOp memop, const char *name)
{
if (dest) {
return TILEGX_EXCP_OPCODE_UNKNOWN;
}
tcg_gen_qemu_st_tl(load_gr(dc, srcb), load_gr(dc, srca),
dc->mmuidx, memop);
qemu_log_mask(CPU_LOG_TB_IN_ASM, "%s %s, %s", name,
reg_names[srca], reg_names[srcb]);
return TILEGX_EXCP_NONE;
}
static TileExcp gen_st_add_opcode(DisasContext *dc, unsigned srca, unsigned srcb,
int imm, MemOp memop, const char *name)
{
TCGv tsrca = load_gr(dc, srca);
TCGv tsrcb = load_gr(dc, srcb);
tcg_gen_qemu_st_tl(tsrcb, tsrca, dc->mmuidx, memop);
tcg_gen_addi_tl(dest_gr(dc, srca), tsrca, imm);
qemu_log_mask(CPU_LOG_TB_IN_ASM, "%s %s, %s, %d", name,
reg_names[srca], reg_names[srcb], imm);
return TILEGX_EXCP_NONE;
}
/* Equality comparison with zero can be done quickly and efficiently. */
static void gen_v1cmpeq0(TCGv v)
{
TCGv m = tcg_const_tl(V1_IMM(0x7f));
TCGv c = tcg_temp_new();
/* ~(((v & m) + m) | m | v). Sets the msb for each byte == 0. */
tcg_gen_and_tl(c, v, m);
tcg_gen_add_tl(c, c, m);
tcg_gen_or_tl(c, c, m);
tcg_gen_nor_tl(c, c, v);
tcg_temp_free(m);
/* Shift the msb down to form the lsb boolean result. */
tcg_gen_shri_tl(v, c, 7);
tcg_temp_free(c);
}
static void gen_v1cmpne0(TCGv v)
{
TCGv m = tcg_const_tl(V1_IMM(0x7f));
TCGv c = tcg_temp_new();
/* (((v & m) + m) | v) & ~m. Sets the msb for each byte != 0. */
tcg_gen_and_tl(c, v, m);
tcg_gen_add_tl(c, c, m);
tcg_gen_or_tl(c, c, v);
tcg_gen_andc_tl(c, c, m);
tcg_temp_free(m);
/* Shift the msb down to form the lsb boolean result. */
tcg_gen_shri_tl(v, c, 7);
tcg_temp_free(c);
}
/* Vector addition can be performed via arithmetic plus masking. It is
efficient this way only for 4 or more elements. */
static void gen_v12add(TCGv tdest, TCGv tsrca, TCGv tsrcb, uint64_t sign)
{
TCGv tmask = tcg_const_tl(~sign);
TCGv t0 = tcg_temp_new();
TCGv t1 = tcg_temp_new();
/* ((a & ~sign) + (b & ~sign)) ^ ((a ^ b) & sign). */
tcg_gen_and_tl(t0, tsrca, tmask);
tcg_gen_and_tl(t1, tsrcb, tmask);
tcg_gen_add_tl(tdest, t0, t1);
tcg_gen_xor_tl(t0, tsrca, tsrcb);
tcg_gen_andc_tl(t0, t0, tmask);
tcg_gen_xor_tl(tdest, tdest, t0);
tcg_temp_free(t1);
tcg_temp_free(t0);
tcg_temp_free(tmask);
}
/* Similarly for vector subtraction. */
static void gen_v12sub(TCGv tdest, TCGv tsrca, TCGv tsrcb, uint64_t sign)
{
TCGv tsign = tcg_const_tl(sign);
TCGv t0 = tcg_temp_new();
TCGv t1 = tcg_temp_new();
/* ((a | sign) - (b & ~sign)) ^ ((a ^ ~b) & sign). */
tcg_gen_or_tl(t0, tsrca, tsign);
tcg_gen_andc_tl(t1, tsrcb, tsign);
tcg_gen_sub_tl(tdest, t0, t1);
tcg_gen_eqv_tl(t0, tsrca, tsrcb);
tcg_gen_and_tl(t0, t0, tsign);
tcg_gen_xor_tl(tdest, tdest, t0);
tcg_temp_free(t1);
tcg_temp_free(t0);
tcg_temp_free(tsign);
}
static void gen_v4sh(TCGv d64, TCGv a64, TCGv b64,
void (*generate)(TCGv_i32, TCGv_i32, TCGv_i32))
{
TCGv_i32 al = tcg_temp_new_i32();
TCGv_i32 ah = tcg_temp_new_i32();
TCGv_i32 bl = tcg_temp_new_i32();
tcg_gen_extr_i64_i32(al, ah, a64);
tcg_gen_extrl_i64_i32(bl, b64);
tcg_gen_andi_i32(bl, bl, 31);
generate(al, al, bl);
generate(ah, ah, bl);
tcg_gen_concat_i32_i64(d64, al, ah);
tcg_temp_free_i32(al);
tcg_temp_free_i32(ah);
tcg_temp_free_i32(bl);
}
static void gen_v4op(TCGv d64, TCGv a64, TCGv b64,
void (*generate)(TCGv_i32, TCGv_i32, TCGv_i32))
{
TCGv_i32 al = tcg_temp_new_i32();
TCGv_i32 ah = tcg_temp_new_i32();
TCGv_i32 bl = tcg_temp_new_i32();
TCGv_i32 bh = tcg_temp_new_i32();
tcg_gen_extr_i64_i32(al, ah, a64);
tcg_gen_extr_i64_i32(bl, bh, b64);
generate(al, al, bl);
generate(ah, ah, bh);
tcg_gen_concat_i32_i64(d64, al, ah);
tcg_temp_free_i32(al);
tcg_temp_free_i32(ah);
tcg_temp_free_i32(bl);
tcg_temp_free_i32(bh);
}
static TileExcp gen_signal(DisasContext *dc, int signo, int sigcode,
const char *mnemonic)
{
TCGv_i32 t0 = tcg_const_i32(signo);
TCGv_i32 t1 = tcg_const_i32(sigcode);
tcg_gen_st_i32(t0, cpu_env, offsetof(CPUTLGState, signo));
tcg_gen_st_i32(t1, cpu_env, offsetof(CPUTLGState, sigcode));
tcg_temp_free_i32(t1);
tcg_temp_free_i32(t0);
qemu_log_mask(CPU_LOG_TB_IN_ASM, "%s", mnemonic);
return TILEGX_EXCP_SIGNAL;
}
static bool parse_from_addli(uint64_t bundle, int *signo, int *sigcode)
{
int imm;
if ((get_Opcode_X0(bundle) != ADDLI_OPCODE_X0)
|| (get_Dest_X0(bundle) != TILEGX_R_ZERO)
|| (get_SrcA_X0(bundle) != TILEGX_R_ZERO)) {
return false;
}
imm = get_Imm16_X0(bundle);
*signo = imm & 0x3f;
*sigcode = (imm >> 6) & 0xf;
/* ??? The linux kernel validates both signo and the sigcode vs the
known max for each signal. Don't bother here. */
return true;
}
static TileExcp gen_specill(DisasContext *dc, unsigned dest, unsigned srca,
uint64_t bundle)
{
const char *mnemonic;
int signo;
int sigcode;
if (dest == 0x1c && srca == 0x25) {
signo = TARGET_SIGTRAP;
sigcode = TARGET_TRAP_BRKPT;
mnemonic = "bpt";
} else if (dest == 0x1d && srca == 0x25
&& parse_from_addli(bundle, &signo, &sigcode)) {
mnemonic = "raise";
} else {
signo = TARGET_SIGILL;
sigcode = TARGET_ILL_ILLOPC;
mnemonic = "ill";
}
return gen_signal(dc, signo, sigcode, mnemonic);
}
static TileExcp gen_rr_opcode(DisasContext *dc, unsigned opext,
unsigned dest, unsigned srca, uint64_t bundle)
{
TCGv tdest, tsrca;
const char *mnemonic;
MemOp memop;
TileExcp ret = TILEGX_EXCP_NONE;
bool prefetch_nofault = false;
/* Eliminate instructions with no output 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 done0;
case OE_RR_Y0(FNOP):
case OE_RR_Y1(FNOP):
case OE_RR_X0(FNOP):
case OE_RR_X1(FNOP):
mnemonic = "fnop";
goto done0;
case OE_RR_X1(DRAIN):
mnemonic = "drain";
goto done0;
case OE_RR_X1(FLUSHWB):
mnemonic = "flushwb";
goto done0;
case OE_RR_X1(ILL):
return gen_specill(dc, dest, srca, bundle);
case OE_RR_Y1(ILL):
return gen_signal(dc, TARGET_SIGILL, TARGET_ILL_ILLOPC, "ill");
case OE_RR_X1(MF):
mnemonic = "mf";
goto done0;
case OE_RR_X1(NAP):
/* ??? This should yield, especially in system mode. */
mnemonic = "nap";
goto done0;
case OE_RR_X1(IRET):
gen_helper_ext01_ics(cpu_env);
dc->jmp.cond = TCG_COND_ALWAYS;
dc->jmp.dest = tcg_temp_new();
tcg_gen_ld_tl(dc->jmp.dest, cpu_env,
offsetof(CPUTLGState, spregs[TILEGX_SPR_EX_CONTEXT_0_0]));
tcg_gen_andi_tl(dc->jmp.dest, dc->jmp.dest, ~7);
mnemonic = "iret";
goto done0;
case OE_RR_X1(SWINT0):
case OE_RR_X1(SWINT2):
case OE_RR_X1(SWINT3):
return TILEGX_EXCP_OPCODE_UNIMPLEMENTED;
case OE_RR_X1(SWINT1):
ret = TILEGX_EXCP_SYSCALL;
mnemonic = "swint1";
done0:
if (srca || dest) {
return TILEGX_EXCP_OPCODE_UNKNOWN;
}
qemu_log_mask(CPU_LOG_TB_IN_ASM, "%s", mnemonic);
return ret;
case OE_RR_X1(DTLBPR):
return TILEGX_EXCP_OPCODE_UNIMPLEMENTED;
case OE_RR_X1(FINV):
mnemonic = "finv";
goto done1;
case OE_RR_X1(FLUSH):
mnemonic = "flush";
goto done1;
case OE_RR_X1(ICOH):
mnemonic = "icoh";
goto done1;
case OE_RR_X1(INV):
mnemonic = "inv";
goto done1;
case OE_RR_X1(WH64):
mnemonic = "wh64";
goto done1;
case OE_RR_X1(JRP):
case OE_RR_Y1(JRP):
mnemonic = "jrp";
goto do_jr;
case OE_RR_X1(JR):
case OE_RR_Y1(JR):
mnemonic = "jr";
goto do_jr;
case OE_RR_X1(JALRP):
case OE_RR_Y1(JALRP):
mnemonic = "jalrp";
goto do_jalr;
case OE_RR_X1(JALR):
case OE_RR_Y1(JALR):
mnemonic = "jalr";
do_jalr:
tcg_gen_movi_tl(dest_gr(dc, TILEGX_R_LR),
dc->pc + TILEGX_BUNDLE_SIZE_IN_BYTES);
do_jr:
dc->jmp.cond = TCG_COND_ALWAYS;
dc->jmp.dest = tcg_temp_new();
tcg_gen_andi_tl(dc->jmp.dest, load_gr(dc, srca), ~7);
done1:
if (dest) {
return TILEGX_EXCP_OPCODE_UNKNOWN;
}
qemu_log_mask(CPU_LOG_TB_IN_ASM, "%s %s", mnemonic, reg_names[srca]);
return ret;
}
tdest = dest_gr(dc, dest);
tsrca = load_gr(dc, srca);
switch (opext) {
case OE_RR_X0(CNTLZ):
case OE_RR_Y0(CNTLZ):
tcg_gen_clzi_tl(tdest, tsrca, TARGET_LONG_BITS);
mnemonic = "cntlz";
break;
case OE_RR_X0(CNTTZ):
case OE_RR_Y0(CNTTZ):
tcg_gen_ctzi_tl(tdest, tsrca, TARGET_LONG_BITS);
mnemonic = "cnttz";
break;
case OE_RR_X0(FSINGLE_PACK1):
case OE_RR_Y0(FSINGLE_PACK1):
return TILEGX_EXCP_OPCODE_UNIMPLEMENTED;
case OE_RR_X1(LD1S):
memop = MO_SB;
mnemonic = "ld1s"; /* prefetch_l1_fault */
goto do_load;
case OE_RR_X1(LD1U):
memop = MO_UB;
mnemonic = "ld1u"; /* prefetch, prefetch_l1 */
prefetch_nofault = (dest == TILEGX_R_ZERO);
goto do_load;
case OE_RR_X1(LD2S):
memop = MO_TESW;
mnemonic = "ld2s"; /* prefetch_l2_fault */
goto do_load;
case OE_RR_X1(LD2U):
memop = MO_TEUW;
mnemonic = "ld2u"; /* prefetch_l2 */
prefetch_nofault = (dest == TILEGX_R_ZERO);
goto do_load;
case OE_RR_X1(LD4S):
memop = MO_TESL;
mnemonic = "ld4s"; /* prefetch_l3_fault */
goto do_load;
case OE_RR_X1(LD4U):
memop = MO_TEUL;
mnemonic = "ld4u"; /* prefetch_l3 */
prefetch_nofault = (dest == TILEGX_R_ZERO);
goto do_load;
case OE_RR_X1(LDNT1S):
memop = MO_SB;
mnemonic = "ldnt1s";
goto do_load;
case OE_RR_X1(LDNT1U):
memop = MO_UB;
mnemonic = "ldnt1u";
goto do_load;
case OE_RR_X1(LDNT2S):
memop = MO_TESW;
mnemonic = "ldnt2s";
goto do_load;
case OE_RR_X1(LDNT2U):
memop = MO_TEUW;
mnemonic = "ldnt2u";
goto do_load;
case OE_RR_X1(LDNT4S):
memop = MO_TESL;
mnemonic = "ldnt4s";
goto do_load;
case OE_RR_X1(LDNT4U):
memop = MO_TEUL;
mnemonic = "ldnt4u";
goto do_load;
case OE_RR_X1(LDNT):
memop = MO_TEQ;
mnemonic = "ldnt";
goto do_load;
case OE_RR_X1(LD):
memop = MO_TEQ;
mnemonic = "ld";
do_load:
if (!prefetch_nofault) {
tcg_gen_qemu_ld_tl(tdest, tsrca, dc->mmuidx, memop);
}
break;
case OE_RR_X1(LDNA):
tcg_gen_andi_tl(tdest, tsrca, ~7);
tcg_gen_qemu_ld_tl(tdest, tdest, dc->mmuidx, MO_TEQ);
mnemonic = "ldna";
break;
case OE_RR_X1(LNK):
case OE_RR_Y1(LNK):
if (srca) {
return TILEGX_EXCP_OPCODE_UNKNOWN;
}
tcg_gen_movi_tl(tdest, dc->pc + TILEGX_BUNDLE_SIZE_IN_BYTES);
mnemonic = "lnk";
break;
case OE_RR_X0(PCNT):
case OE_RR_Y0(PCNT):
tcg_gen_ctpop_tl(tdest, tsrca);
mnemonic = "pcnt";
break;
case OE_RR_X0(REVBITS):
case OE_RR_Y0(REVBITS):
gen_helper_revbits(tdest, tsrca);
mnemonic = "revbits";
break;
case OE_RR_X0(REVBYTES):
case OE_RR_Y0(REVBYTES):
tcg_gen_bswap64_tl(tdest, tsrca);
mnemonic = "revbytes";
break;
case OE_RR_X0(TBLIDXB0):
case OE_RR_Y0(TBLIDXB0):
tcg_gen_deposit_tl(tdest, load_gr(dc, dest), tsrca, 2, 8);
mnemonic = "tblidxb0";
break;
case OE_RR_X0(TBLIDXB1):
case OE_RR_Y0(TBLIDXB1):
tcg_gen_shri_tl(tdest, tsrca, 8);
tcg_gen_deposit_tl(tdest, load_gr(dc, dest), tdest, 2, 8);
mnemonic = "tblidxb1";
break;
case OE_RR_X0(TBLIDXB2):
case OE_RR_Y0(TBLIDXB2):
tcg_gen_shri_tl(tdest, tsrca, 16);
tcg_gen_deposit_tl(tdest, load_gr(dc, dest), tdest, 2, 8);
mnemonic = "tblidxb2";
break;
case OE_RR_X0(TBLIDXB3):
case OE_RR_Y0(TBLIDXB3):
tcg_gen_shri_tl(tdest, tsrca, 24);
tcg_gen_deposit_tl(tdest, load_gr(dc, dest), tdest, 2, 8);
mnemonic = "tblidxb3";
break;
default:
return TILEGX_EXCP_OPCODE_UNKNOWN;
}
qemu_log_mask(CPU_LOG_TB_IN_ASM, "%s %s, %s", mnemonic,
reg_names[dest], reg_names[srca]);
return ret;
}
static TileExcp gen_rrr_opcode(DisasContext *dc, unsigned opext,
unsigned dest, unsigned srca, unsigned srcb)
{
TCGv tdest = dest_gr(dc, dest);
TCGv tsrca = load_gr(dc, srca);
TCGv tsrcb = load_gr(dc, srcb);
TCGv t0;
const char *mnemonic;
switch (opext) {
case OE_RRR(ADDXSC, 0, X0):
case OE_RRR(ADDXSC, 0, X1):
gen_saturate_op(tdest, tsrca, tsrcb, tcg_gen_add_tl);
mnemonic = "addxsc";
break;
case OE_RRR(ADDX, 0, X0):
case OE_RRR(ADDX, 0, X1):
case OE_RRR(ADDX, 0, Y0):
case OE_RRR(ADDX, 0, Y1):
tcg_gen_add_tl(tdest, tsrca, tsrcb);
tcg_gen_ext32s_tl(tdest, tdest);
mnemonic = "addx";
break;
case OE_RRR(ADD, 0, X0):
case OE_RRR(ADD, 0, X1):
case OE_RRR(ADD, 0, Y0):
case OE_RRR(ADD, 0, Y1):
tcg_gen_add_tl(tdest, tsrca, tsrcb);
mnemonic = "add";
break;
case OE_RRR(AND, 0, X0):
case OE_RRR(AND, 0, X1):
case OE_RRR(AND, 5, Y0):
case OE_RRR(AND, 5, Y1):
tcg_gen_and_tl(tdest, tsrca, tsrcb);
mnemonic = "and";
break;
case OE_RRR(CMOVEQZ, 0, X0):
case OE_RRR(CMOVEQZ, 4, Y0):
tcg_gen_movcond_tl(TCG_COND_EQ, tdest, tsrca, load_zero(dc),
tsrcb, load_gr(dc, dest));
mnemonic = "cmoveqz";
break;
case OE_RRR(CMOVNEZ, 0, X0):
case OE_RRR(CMOVNEZ, 4, Y0):
tcg_gen_movcond_tl(TCG_COND_NE, tdest, tsrca, load_zero(dc),
tsrcb, load_gr(dc, dest));
mnemonic = "cmovnez";
break;
case OE_RRR(CMPEQ, 0, X0):
case OE_RRR(CMPEQ, 0, X1):
case OE_RRR(CMPEQ, 3, Y0):
case OE_RRR(CMPEQ, 3, Y1):
tcg_gen_setcond_tl(TCG_COND_EQ, tdest, tsrca, tsrcb);
mnemonic = "cmpeq";
break;
case OE_RRR(CMPEXCH4, 0, X1):
gen_atomic_excp(dc, dest, tdest, tsrca, tsrcb,
TILEGX_EXCP_OPCODE_CMPEXCH4);
mnemonic = "cmpexch4";
break;
case OE_RRR(CMPEXCH, 0, X1):
gen_atomic_excp(dc, dest, tdest, tsrca, tsrcb,
TILEGX_EXCP_OPCODE_CMPEXCH);
mnemonic = "cmpexch";
break;
case OE_RRR(CMPLES, 0, X0):
case OE_RRR(CMPLES, 0, X1):
case OE_RRR(CMPLES, 2, Y0):
case OE_RRR(CMPLES, 2, Y1):
tcg_gen_setcond_tl(TCG_COND_LE, tdest, tsrca, tsrcb);
mnemonic = "cmples";
break;
case OE_RRR(CMPLEU, 0, X0):
case OE_RRR(CMPLEU, 0, X1):
case OE_RRR(CMPLEU, 2, Y0):
case OE_RRR(CMPLEU, 2, Y1):
tcg_gen_setcond_tl(TCG_COND_LEU, tdest, tsrca, tsrcb);
mnemonic = "cmpleu";
break;
case OE_RRR(CMPLTS, 0, X0):
case OE_RRR(CMPLTS, 0, X1):
case OE_RRR(CMPLTS, 2, Y0):
case OE_RRR(CMPLTS, 2, Y1):
tcg_gen_setcond_tl(TCG_COND_LT, tdest, tsrca, tsrcb);
mnemonic = "cmplts";
break;
case OE_RRR(CMPLTU, 0, X0):
case OE_RRR(CMPLTU, 0, X1):
case OE_RRR(CMPLTU, 2, Y0):
case OE_RRR(CMPLTU, 2, Y1):
tcg_gen_setcond_tl(TCG_COND_LTU, tdest, tsrca, tsrcb);
mnemonic = "cmpltu";
break;
case OE_RRR(CMPNE, 0, X0):
case OE_RRR(CMPNE, 0, X1):
case OE_RRR(CMPNE, 3, Y0):
case OE_RRR(CMPNE, 3, Y1):
tcg_gen_setcond_tl(TCG_COND_NE, tdest, tsrca, tsrcb);
mnemonic = "cmpne";
break;
case OE_RRR(CMULAF, 0, X0):
gen_helper_cmulaf(tdest, load_gr(dc, dest), tsrca, tsrcb);
mnemonic = "cmulaf";
break;
case OE_RRR(CMULA, 0, X0):
gen_helper_cmula(tdest, load_gr(dc, dest), tsrca, tsrcb);
mnemonic = "cmula";
break;
case OE_RRR(CMULFR, 0, X0):
gen_cmul2(tdest, tsrca, tsrcb, 15, 1 << 14);
mnemonic = "cmulfr";
break;
case OE_RRR(CMULF, 0, X0):
gen_cmul2(tdest, tsrca, tsrcb, 15, 0);
mnemonic = "cmulf";
break;
case OE_RRR(CMULHR, 0, X0):
gen_cmul2(tdest, tsrca, tsrcb, 16, 1 << 15);
mnemonic = "cmulhr";
break;
case OE_RRR(CMULH, 0, X0):
gen_cmul2(tdest, tsrca, tsrcb, 16, 0);
mnemonic = "cmulh";
break;
case OE_RRR(CMUL, 0, X0):
gen_helper_cmula(tdest, load_zero(dc), tsrca, tsrcb);
mnemonic = "cmul";
break;
case OE_RRR(CRC32_32, 0, X0):
gen_helper_crc32_32(tdest, tsrca, tsrcb);
mnemonic = "crc32_32";
break;
case OE_RRR(CRC32_8, 0, X0):
gen_helper_crc32_8(tdest, tsrca, tsrcb);
mnemonic = "crc32_8";
break;
case OE_RRR(DBLALIGN2, 0, X0):
case OE_RRR(DBLALIGN2, 0, X1):
gen_dblaligni(tdest, tsrca, tsrcb, 16);
mnemonic = "dblalign2";
break;
case OE_RRR(DBLALIGN4, 0, X0):
case OE_RRR(DBLALIGN4, 0, X1):
gen_dblaligni(tdest, tsrca, tsrcb, 32);
mnemonic = "dblalign4";
break;
case OE_RRR(DBLALIGN6, 0, X0):
case OE_RRR(DBLALIGN6, 0, X1):
gen_dblaligni(tdest, tsrca, tsrcb, 48);
mnemonic = "dblalign6";
break;
case OE_RRR(DBLALIGN, 0, X0):
gen_dblalign(tdest, load_gr(dc, dest), tsrca, tsrcb);
mnemonic = "dblalign";
break;
case OE_RRR(EXCH4, 0, X1):
gen_atomic_excp(dc, dest, tdest, tsrca, tsrcb,
TILEGX_EXCP_OPCODE_EXCH4);
mnemonic = "exch4";
break;
case OE_RRR(EXCH, 0, X1):
gen_atomic_excp(dc, dest, tdest, tsrca, tsrcb,
TILEGX_EXCP_OPCODE_EXCH);
mnemonic = "exch";
break;
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):
return TILEGX_EXCP_OPCODE_UNIMPLEMENTED;
case OE_RRR(FETCHADD4, 0, X1):
gen_atomic_excp(dc, dest, tdest, tsrca, tsrcb,
TILEGX_EXCP_OPCODE_FETCHADD4);
mnemonic = "fetchadd4";
break;
case OE_RRR(FETCHADDGEZ4, 0, X1):
gen_atomic_excp(dc, dest, tdest, tsrca, tsrcb,
TILEGX_EXCP_OPCODE_FETCHADDGEZ4);
mnemonic = "fetchaddgez4";
break;
case OE_RRR(FETCHADDGEZ, 0, X1):
gen_atomic_excp(dc, dest, tdest, tsrca, tsrcb,
TILEGX_EXCP_OPCODE_FETCHADDGEZ);
mnemonic = "fetchaddgez";
break;
case OE_RRR(FETCHADD, 0, X1):
gen_atomic_excp(dc, dest, tdest, tsrca, tsrcb,
TILEGX_EXCP_OPCODE_FETCHADD);
mnemonic = "fetchadd";
break;
case OE_RRR(FETCHAND4, 0, X1):
gen_atomic_excp(dc, dest, tdest, tsrca, tsrcb,
TILEGX_EXCP_OPCODE_FETCHAND4);
mnemonic = "fetchand4";
break;
case OE_RRR(FETCHAND, 0, X1):
gen_atomic_excp(dc, dest, tdest, tsrca, tsrcb,
TILEGX_EXCP_OPCODE_FETCHAND);
mnemonic = "fetchand";
break;
case OE_RRR(FETCHOR4, 0, X1):
gen_atomic_excp(dc, dest, tdest, tsrca, tsrcb,
TILEGX_EXCP_OPCODE_FETCHOR4);
mnemonic = "fetchor4";
break;
case OE_RRR(FETCHOR, 0, X1):
gen_atomic_excp(dc, dest, tdest, tsrca, tsrcb,
TILEGX_EXCP_OPCODE_FETCHOR);
mnemonic = "fetchor";
break;
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):
return TILEGX_EXCP_OPCODE_UNIMPLEMENTED;
case OE_RRR(MNZ, 0, X0):
case OE_RRR(MNZ, 0, X1):
case OE_RRR(MNZ, 4, Y0):
case OE_RRR(MNZ, 4, Y1):
t0 = load_zero(dc);
tcg_gen_movcond_tl(TCG_COND_NE, tdest, tsrca, t0, tsrcb, t0);
mnemonic = "mnz";
break;
case OE_RRR(MULAX, 0, X0):
case OE_RRR(MULAX, 3, Y0):
tcg_gen_mul_tl(tdest, tsrca, tsrcb);
tcg_gen_add_tl(tdest, tdest, load_gr(dc, dest));
tcg_gen_ext32s_tl(tdest, tdest);
mnemonic = "mulax";
break;
case OE_RRR(MULA_HS_HS, 0, X0):
case OE_RRR(MULA_HS_HS, 9, Y0):
gen_mul_half(tdest, tsrca, tsrcb, HS, HS);
tcg_gen_add_tl(tdest, tdest, load_gr(dc, dest));
mnemonic = "mula_hs_hs";
break;
case OE_RRR(MULA_HS_HU, 0, X0):
gen_mul_half(tdest, tsrca, tsrcb, HS, HU);
tcg_gen_add_tl(tdest, tdest, load_gr(dc, dest));
mnemonic = "mula_hs_hu";
break;
case OE_RRR(MULA_HS_LS, 0, X0):
gen_mul_half(tdest, tsrca, tsrcb, HS, LS);
tcg_gen_add_tl(tdest, tdest, load_gr(dc, dest));
mnemonic = "mula_hs_ls";
break;
case OE_RRR(MULA_HS_LU, 0, X0):
gen_mul_half(tdest, tsrca, tsrcb, HS, LU);
tcg_gen_add_tl(tdest, tdest, load_gr(dc, dest));
mnemonic = "mula_hs_lu";
break;
case OE_RRR(MULA_HU_HU, 0, X0):
case OE_RRR(MULA_HU_HU, 9, Y0):
gen_mul_half(tdest, tsrca, tsrcb, HU, HU);
tcg_gen_add_tl(tdest, tdest, load_gr(dc, dest));
mnemonic = "mula_hu_hu";
break;
case OE_RRR(MULA_HU_LS, 0, X0):
gen_mul_half(tdest, tsrca, tsrcb, HU, LS);
tcg_gen_add_tl(tdest, tdest, load_gr(dc, dest));
mnemonic = "mula_hu_ls";
break;
case OE_RRR(MULA_HU_LU, 0, X0):
gen_mul_half(tdest, tsrca, tsrcb, HU, LU);
tcg_gen_add_tl(tdest, tdest, load_gr(dc, dest));
mnemonic = "mula_hu_lu";
break;
case OE_RRR(MULA_LS_LS, 0, X0):
case OE_RRR(MULA_LS_LS, 9, Y0):
gen_mul_half(tdest, tsrca, tsrcb, LS, LS);
tcg_gen_add_tl(tdest, tdest, load_gr(dc, dest));
mnemonic = "mula_ls_ls";
break;
case OE_RRR(MULA_LS_LU, 0, X0):
gen_mul_half(tdest, tsrca, tsrcb, LS, LU);
tcg_gen_add_tl(tdest, tdest, load_gr(dc, dest));
mnemonic = "mula_ls_lu";
break;
case OE_RRR(MULA_LU_LU, 0, X0):
case OE_RRR(MULA_LU_LU, 9, Y0):
gen_mul_half(tdest, tsrca, tsrcb, LU, LU);
tcg_gen_add_tl(tdest, tdest, load_gr(dc, dest));
mnemonic = "mula_lu_lu";
break;
case OE_RRR(MULX, 0, X0):
case OE_RRR(MULX, 3, Y0):
tcg_gen_mul_tl(tdest, tsrca, tsrcb);
tcg_gen_ext32s_tl(tdest, tdest);
mnemonic = "mulx";
break;
case OE_RRR(MUL_HS_HS, 0, X0):
case OE_RRR(MUL_HS_HS, 8, Y0):
gen_mul_half(tdest, tsrca, tsrcb, HS, HS);
mnemonic = "mul_hs_hs";
break;
case OE_RRR(MUL_HS_HU, 0, X0):
gen_mul_half(tdest, tsrca, tsrcb, HS, HU);
mnemonic = "mul_hs_hu";
break;
case OE_RRR(MUL_HS_LS, 0, X0):
gen_mul_half(tdest, tsrca, tsrcb, HS, LS);
mnemonic = "mul_hs_ls";
break;
case OE_RRR(MUL_HS_LU, 0, X0):
gen_mul_half(tdest, tsrca, tsrcb, HS, LU);
mnemonic = "mul_hs_lu";
break;
case OE_RRR(MUL_HU_HU, 0, X0):
case OE_RRR(MUL_HU_HU, 8, Y0):
gen_mul_half(tdest, tsrca, tsrcb, HU, HU);
mnemonic = "mul_hu_hu";
break;
case OE_RRR(MUL_HU_LS, 0, X0):
gen_mul_half(tdest, tsrca, tsrcb, HU, LS);
mnemonic = "mul_hu_ls";
break;
case OE_RRR(MUL_HU_LU, 0, X0):
gen_mul_half(tdest, tsrca, tsrcb, HU, LU);
mnemonic = "mul_hu_lu";
break;
case OE_RRR(MUL_LS_LS, 0, X0):
case OE_RRR(MUL_LS_LS, 8, Y0):
gen_mul_half(tdest, tsrca, tsrcb, LS, LS);
mnemonic = "mul_ls_ls";
break;
case OE_RRR(MUL_LS_LU, 0, X0):
gen_mul_half(tdest, tsrca, tsrcb, LS, LU);
mnemonic = "mul_ls_lu";
break;
case OE_RRR(MUL_LU_LU, 0, X0):
case OE_RRR(MUL_LU_LU, 8, Y0):
gen_mul_half(tdest, tsrca, tsrcb, LU, LU);
mnemonic = "mul_lu_lu";
break;
case OE_RRR(MZ, 0, X0):
case OE_RRR(MZ, 0, X1):
case OE_RRR(MZ, 4, Y0):
case OE_RRR(MZ, 4, Y1):
t0 = load_zero(dc);
tcg_gen_movcond_tl(TCG_COND_EQ, tdest, tsrca, t0, tsrcb, t0);
mnemonic = "mz";
break;
case OE_RRR(NOR, 0, X0):
case OE_RRR(NOR, 0, X1):
case OE_RRR(NOR, 5, Y0):
case OE_RRR(NOR, 5, Y1):
tcg_gen_nor_tl(tdest, tsrca, tsrcb);
mnemonic = "nor";
break;
case OE_RRR(OR, 0, X0):
case OE_RRR(OR, 0, X1):
case OE_RRR(OR, 5, Y0):
case OE_RRR(OR, 5, Y1):
tcg_gen_or_tl(tdest, tsrca, tsrcb);
mnemonic = "or";
break;
case OE_RRR(ROTL, 0, X0):
case OE_RRR(ROTL, 0, X1):
case OE_RRR(ROTL, 6, Y0):
case OE_RRR(ROTL, 6, Y1):
tcg_gen_andi_tl(tdest, tsrcb, 63);
tcg_gen_rotl_tl(tdest, tsrca, tdest);
mnemonic = "rotl";
break;
case OE_RRR(SHL1ADDX, 0, X0):
case OE_RRR(SHL1ADDX, 0, X1):
case OE_RRR(SHL1ADDX, 7, Y0):
case OE_RRR(SHL1ADDX, 7, Y1):
tcg_gen_shli_tl(tdest, tsrca, 1);
tcg_gen_add_tl(tdest, tdest, tsrcb);
tcg_gen_ext32s_tl(tdest, tdest);
mnemonic = "shl1addx";
break;
case OE_RRR(SHL1ADD, 0, X0):
case OE_RRR(SHL1ADD, 0, X1):
case OE_RRR(SHL1ADD, 1, Y0):
case OE_RRR(SHL1ADD, 1, Y1):
tcg_gen_shli_tl(tdest, tsrca, 1);
tcg_gen_add_tl(tdest, tdest, tsrcb);
mnemonic = "shl1add";
break;
case OE_RRR(SHL2ADDX, 0, X0):
case OE_RRR(SHL2ADDX, 0, X1):
case OE_RRR(SHL2ADDX, 7, Y0):
case OE_RRR(SHL2ADDX, 7, Y1):
tcg_gen_shli_tl(tdest, tsrca, 2);
tcg_gen_add_tl(tdest, tdest, tsrcb);
tcg_gen_ext32s_tl(tdest, tdest);
mnemonic = "shl2addx";
break;
case OE_RRR(SHL2ADD, 0, X0):
case OE_RRR(SHL2ADD, 0, X1):
case OE_RRR(SHL2ADD, 1, Y0):
case OE_RRR(SHL2ADD, 1, Y1):
tcg_gen_shli_tl(tdest, tsrca, 2);
tcg_gen_add_tl(tdest, tdest, tsrcb);
mnemonic = "shl2add";
break;
case OE_RRR(SHL3ADDX, 0, X0):
case OE_RRR(SHL3ADDX, 0, X1):
case OE_RRR(SHL3ADDX, 7, Y0):
case OE_RRR(SHL3ADDX, 7, Y1):
tcg_gen_shli_tl(tdest, tsrca, 3);
tcg_gen_add_tl(tdest, tdest, tsrcb);
tcg_gen_ext32s_tl(tdest, tdest);
mnemonic = "shl3addx";
break;
case OE_RRR(SHL3ADD, 0, X0):
case OE_RRR(SHL3ADD, 0, X1):
case OE_RRR(SHL3ADD, 1, Y0):
case OE_RRR(SHL3ADD, 1, Y1):
tcg_gen_shli_tl(tdest, tsrca, 3);
tcg_gen_add_tl(tdest, tdest, tsrcb);
mnemonic = "shl3add";
break;
case OE_RRR(SHLX, 0, X0):
case OE_RRR(SHLX, 0, X1):
tcg_gen_andi_tl(tdest, tsrcb, 31);
tcg_gen_shl_tl(tdest, tsrca, tdest);
tcg_gen_ext32s_tl(tdest, tdest);
mnemonic = "shlx";
break;
case OE_RRR(SHL, 0, X0):
case OE_RRR(SHL, 0, X1):
case OE_RRR(SHL, 6, Y0):
case OE_RRR(SHL, 6, Y1):
tcg_gen_andi_tl(tdest, tsrcb, 63);
tcg_gen_shl_tl(tdest, tsrca, tdest);
mnemonic = "shl";
break;
case OE_RRR(SHRS, 0, X0):
case OE_RRR(SHRS, 0, X1):
case OE_RRR(SHRS, 6, Y0):
case OE_RRR(SHRS, 6, Y1):
tcg_gen_andi_tl(tdest, tsrcb, 63);
tcg_gen_sar_tl(tdest, tsrca, tdest);
mnemonic = "shrs";
break;
case OE_RRR(SHRUX, 0, X0):
case OE_RRR(SHRUX, 0, X1):
t0 = tcg_temp_new();
tcg_gen_andi_tl(t0, tsrcb, 31);
tcg_gen_ext32u_tl(tdest, tsrca);
tcg_gen_shr_tl(tdest, tdest, t0);
tcg_gen_ext32s_tl(tdest, tdest);
tcg_temp_free(t0);
mnemonic = "shrux";
break;
case OE_RRR(SHRU, 0, X0):
case OE_RRR(SHRU, 0, X1):
case OE_RRR(SHRU, 6, Y0):
case OE_RRR(SHRU, 6, Y1):
tcg_gen_andi_tl(tdest, tsrcb, 63);
tcg_gen_shr_tl(tdest, tsrca, tdest);
mnemonic = "shru";
break;
case OE_RRR(SHUFFLEBYTES, 0, X0):
gen_helper_shufflebytes(tdest, load_gr(dc, dest), tsrca, tsrca);
mnemonic = "shufflebytes";
break;
case OE_RRR(SUBXSC, 0, X0):
case OE_RRR(SUBXSC, 0, X1):
gen_saturate_op(tdest, tsrca, tsrcb, tcg_gen_sub_tl);
mnemonic = "subxsc";
break;
case OE_RRR(SUBX, 0, X0):
case OE_RRR(SUBX, 0, X1):
case OE_RRR(SUBX, 0, Y0):
case OE_RRR(SUBX, 0, Y1):
tcg_gen_sub_tl(tdest, tsrca, tsrcb);
tcg_gen_ext32s_tl(tdest, tdest);
mnemonic = "subx";
break;
case OE_RRR(SUB, 0, X0):
case OE_RRR(SUB, 0, X1):
case OE_RRR(SUB, 0, Y0):
case OE_RRR(SUB, 0, Y1):
tcg_gen_sub_tl(tdest, tsrca, tsrcb);
mnemonic = "sub";
break;
case OE_RRR(V1ADDUC, 0, X0):
case OE_RRR(V1ADDUC, 0, X1):
return TILEGX_EXCP_OPCODE_UNIMPLEMENTED;
case OE_RRR(V1ADD, 0, X0):
case OE_RRR(V1ADD, 0, X1):
gen_v12add(tdest, tsrca, tsrcb, V1_IMM(0x80));
mnemonic = "v1add";
break;
case OE_RRR(V1ADIFFU, 0, X0):
case OE_RRR(V1AVGU, 0, X0):
return TILEGX_EXCP_OPCODE_UNIMPLEMENTED;
case OE_RRR(V1CMPEQ, 0, X0):
case OE_RRR(V1CMPEQ, 0, X1):
tcg_gen_xor_tl(tdest, tsrca, tsrcb);
gen_v1cmpeq0(tdest);
mnemonic = "v1cmpeq";
break;
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):
return TILEGX_EXCP_OPCODE_UNIMPLEMENTED;
case OE_RRR(V1CMPNE, 0, X0):
case OE_RRR(V1CMPNE, 0, X1):
tcg_gen_xor_tl(tdest, tsrca, tsrcb);
gen_v1cmpne0(tdest);
mnemonic = "v1cmpne";
break;
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):
return TILEGX_EXCP_OPCODE_UNIMPLEMENTED;
case OE_RRR(V1INT_H, 0, X0):
case OE_RRR(V1INT_H, 0, X1):
gen_helper_v1int_h(tdest, tsrca, tsrcb);
mnemonic = "v1int_h";
break;
case OE_RRR(V1INT_L, 0, X0):
case OE_RRR(V1INT_L, 0, X1):
gen_helper_v1int_l(tdest, tsrca, tsrcb);
mnemonic = "v1int_l";
break;
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):
return TILEGX_EXCP_OPCODE_UNIMPLEMENTED;
case OE_RRR(V1MULTU, 0, X0):
gen_helper_v1multu(tdest, tsrca, tsrcb);
mnemonic = "v1multu";
break;
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):
return TILEGX_EXCP_OPCODE_UNIMPLEMENTED;
case OE_RRR(V1SHL, 0, X0):
case OE_RRR(V1SHL, 0, X1):
gen_helper_v1shl(tdest, tsrca, tsrcb);
mnemonic = "v1shl";
break;
case OE_RRR(V1SHRS, 0, X0):
case OE_RRR(V1SHRS, 0, X1):
gen_helper_v1shrs(tdest, tsrca, tsrcb);
mnemonic = "v1shrs";
break;
case OE_RRR(V1SHRU, 0, X0):
case OE_RRR(V1SHRU, 0, X1):
gen_helper_v1shru(tdest, tsrca, tsrcb);
mnemonic = "v1shru";
break;
case OE_RRR(V1SUBUC, 0, X0):
case OE_RRR(V1SUBUC, 0, X1):
return TILEGX_EXCP_OPCODE_UNIMPLEMENTED;
case OE_RRR(V1SUB, 0, X0):
case OE_RRR(V1SUB, 0, X1):
gen_v12sub(tdest, tsrca, tsrcb, V1_IMM(0x80));
mnemonic = "v1sub";
break;
case OE_RRR(V2ADDSC, 0, X0):
case OE_RRR(V2ADDSC, 0, X1):
return TILEGX_EXCP_OPCODE_UNIMPLEMENTED;
case OE_RRR(V2ADD, 0, X0):
case OE_RRR(V2ADD, 0, X1):
gen_v12add(tdest, tsrca, tsrcb, V2_IMM(0x8000));
mnemonic = "v2add";
break;
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):
return TILEGX_EXCP_OPCODE_UNIMPLEMENTED;
case OE_RRR(V2INT_H, 0, X0):
case OE_RRR(V2INT_H, 0, X1):
gen_helper_v2int_h(tdest, tsrca, tsrcb);
mnemonic = "v2int_h";
break;
case OE_RRR(V2INT_L, 0, X0):
case OE_RRR(V2INT_L, 0, X1):
gen_helper_v2int_l(tdest, tsrca, tsrcb);
mnemonic = "v2int_l";
break;
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):
return TILEGX_EXCP_OPCODE_UNIMPLEMENTED;
case OE_RRR(V2MULTS, 0, X0):
gen_helper_v2mults(tdest, tsrca, tsrcb);
mnemonic = "v2mults";
break;
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):
return TILEGX_EXCP_OPCODE_UNIMPLEMENTED;
case OE_RRR(V2SHL, 0, X0):
case OE_RRR(V2SHL, 0, X1):
gen_helper_v2shl(tdest, tsrca, tsrcb);
mnemonic = "v2shl";
break;
case OE_RRR(V2SHRS, 0, X0):
case OE_RRR(V2SHRS, 0, X1):
gen_helper_v2shrs(tdest, tsrca, tsrcb);
mnemonic = "v2shrs";
break;
case OE_RRR(V2SHRU, 0, X0):
case OE_RRR(V2SHRU, 0, X1):
gen_helper_v2shru(tdest, tsrca, tsrcb);
mnemonic = "v2shru";
break;
case OE_RRR(V2SUBSC, 0, X0):
case OE_RRR(V2SUBSC, 0, X1):
return TILEGX_EXCP_OPCODE_UNIMPLEMENTED;
case OE_RRR(V2SUB, 0, X0):
case OE_RRR(V2SUB, 0, X1):
gen_v12sub(tdest, tsrca, tsrcb, V2_IMM(0x8000));
mnemonic = "v2sub";
break;
case OE_RRR(V4ADDSC, 0, X0):
case OE_RRR(V4ADDSC, 0, X1):
return TILEGX_EXCP_OPCODE_UNIMPLEMENTED;
case OE_RRR(V4ADD, 0, X0):
case OE_RRR(V4ADD, 0, X1):
gen_v4op(tdest, tsrca, tsrcb, tcg_gen_add_i32);
mnemonic = "v4add";
break;
case OE_RRR(V4INT_H, 0, X0):
case OE_RRR(V4INT_H, 0, X1):
tcg_gen_shri_tl(tdest, tsrcb, 32);
tcg_gen_deposit_tl(tdest, tsrca, tdest, 0, 32);
mnemonic = "v4int_h";
break;
case OE_RRR(V4INT_L, 0, X0):
case OE_RRR(V4INT_L, 0, X1):
tcg_gen_deposit_tl(tdest, tsrcb, tsrca, 32, 32);
mnemonic = "v4int_l";
break;
case OE_RRR(V4PACKSC, 0, X0):
case OE_RRR(V4PACKSC, 0, X1):
case OE_RRR(V4SHLSC, 0, X0):
case OE_RRR(V4SHLSC, 0, X1):
return TILEGX_EXCP_OPCODE_UNIMPLEMENTED;
case OE_RRR(V4SHL, 0, X0):
case OE_RRR(V4SHL, 0, X1):
gen_v4sh(tdest, tsrca, tsrcb, tcg_gen_shl_i32);
mnemonic = "v4shl";
break;
case OE_RRR(V4SHRS, 0, X0):
case OE_RRR(V4SHRS, 0, X1):
gen_v4sh(tdest, tsrca, tsrcb, tcg_gen_sar_i32);
mnemonic = "v4shrs";
break;
case OE_RRR(V4SHRU, 0, X0):
case OE_RRR(V4SHRU, 0, X1):
gen_v4sh(tdest, tsrca, tsrcb, tcg_gen_shr_i32);
mnemonic = "v4shru";
break;
case OE_RRR(V4SUBSC, 0, X0):
case OE_RRR(V4SUBSC, 0, X1):
return TILEGX_EXCP_OPCODE_UNIMPLEMENTED;
case OE_RRR(V4SUB, 0, X0):
case OE_RRR(V4SUB, 0, X1):
gen_v4op(tdest, tsrca, tsrcb, tcg_gen_sub_i32);
mnemonic = "v2sub";
break;
case OE_RRR(XOR, 0, X0):
case OE_RRR(XOR, 0, X1):
case OE_RRR(XOR, 5, Y0):
case OE_RRR(XOR, 5, Y1):
tcg_gen_xor_tl(tdest, tsrca, tsrcb);
mnemonic = "xor";
break;
default:
return TILEGX_EXCP_OPCODE_UNKNOWN;
}
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)
{
TCGv tdest = dest_gr(dc, dest);
TCGv tsrca = load_gr(dc, srca);
bool prefetch_nofault = false;
const char *mnemonic;
MemOp memop;
int i2, i3;
TCGv t0;
switch (opext) {
case OE(ADDI_OPCODE_Y0, 0, Y0):
case OE(ADDI_OPCODE_Y1, 0, Y1):
case OE_IM(ADDI, X0):
case OE_IM(ADDI, X1):
tcg_gen_addi_tl(tdest, tsrca, imm);
mnemonic = "addi";
break;
case OE(ADDXI_OPCODE_Y0, 0, Y0):
case OE(ADDXI_OPCODE_Y1, 0, Y1):
case OE_IM(ADDXI, X0):
case OE_IM(ADDXI, X1):
tcg_gen_addi_tl(tdest, tsrca, imm);
tcg_gen_ext32s_tl(tdest, tdest);
mnemonic = "addxi";
break;
case OE(ANDI_OPCODE_Y0, 0, Y0):
case OE(ANDI_OPCODE_Y1, 0, Y1):
case OE_IM(ANDI, X0):
case OE_IM(ANDI, X1):
tcg_gen_andi_tl(tdest, tsrca, imm);
mnemonic = "andi";
break;
case OE(CMPEQI_OPCODE_Y0, 0, Y0):
case OE(CMPEQI_OPCODE_Y1, 0, Y1):
case OE_IM(CMPEQI, X0):
case OE_IM(CMPEQI, X1):
tcg_gen_setcondi_tl(TCG_COND_EQ, tdest, tsrca, imm);
mnemonic = "cmpeqi";
break;
case OE(CMPLTSI_OPCODE_Y0, 0, Y0):
case OE(CMPLTSI_OPCODE_Y1, 0, Y1):
case OE_IM(CMPLTSI, X0):
case OE_IM(CMPLTSI, X1):
tcg_gen_setcondi_tl(TCG_COND_LT, tdest, tsrca, imm);
mnemonic = "cmpltsi";
break;
case OE_IM(CMPLTUI, X0):
case OE_IM(CMPLTUI, X1):
tcg_gen_setcondi_tl(TCG_COND_LTU, tdest, tsrca, imm);
mnemonic = "cmpltui";
break;
case OE_IM(LD1S_ADD, X1):
memop = MO_SB;
mnemonic = "ld1s_add"; /* prefetch_add_l1_fault */
goto do_load_add;
case OE_IM(LD1U_ADD, X1):
memop = MO_UB;
mnemonic = "ld1u_add"; /* prefetch_add_l1 */
prefetch_nofault = (dest == TILEGX_R_ZERO);
goto do_load_add;
case OE_IM(LD2S_ADD, X1):
memop = MO_TESW;
mnemonic = "ld2s_add"; /* prefetch_add_l2_fault */
goto do_load_add;
case OE_IM(LD2U_ADD, X1):
memop = MO_TEUW;
mnemonic = "ld2u_add"; /* prefetch_add_l2 */
prefetch_nofault = (dest == TILEGX_R_ZERO);
goto do_load_add;
case OE_IM(LD4S_ADD, X1):
memop = MO_TESL;
mnemonic = "ld4s_add"; /* prefetch_add_l3_fault */
goto do_load_add;
case OE_IM(LD4U_ADD, X1):
memop = MO_TEUL;
mnemonic = "ld4u_add"; /* prefetch_add_l3 */
prefetch_nofault = (dest == TILEGX_R_ZERO);
goto do_load_add;
case OE_IM(LDNT1S_ADD, X1):
memop = MO_SB;
mnemonic = "ldnt1s_add";
goto do_load_add;
case OE_IM(LDNT1U_ADD, X1):
memop = MO_UB;
mnemonic = "ldnt1u_add";
goto do_load_add;
case OE_IM(LDNT2S_ADD, X1):
memop = MO_TESW;
mnemonic = "ldnt2s_add";
goto do_load_add;
case OE_IM(LDNT2U_ADD, X1):
memop = MO_TEUW;
mnemonic = "ldnt2u_add";
goto do_load_add;
case OE_IM(LDNT4S_ADD, X1):
memop = MO_TESL;
mnemonic = "ldnt4s_add";
goto do_load_add;
case OE_IM(LDNT4U_ADD, X1):
memop = MO_TEUL;
mnemonic = "ldnt4u_add";
goto do_load_add;
case OE_IM(LDNT_ADD, X1):
memop = MO_TEQ;
mnemonic = "ldnt_add";
goto do_load_add;
case OE_IM(LD_ADD, X1):
memop = MO_TEQ;
mnemonic = "ld_add";
do_load_add:
if (!prefetch_nofault) {
tcg_gen_qemu_ld_tl(tdest, tsrca, dc->mmuidx, memop);
}
tcg_gen_addi_tl(dest_gr(dc, srca), tsrca, imm);
break;
case OE_IM(LDNA_ADD, X1):
tcg_gen_andi_tl(tdest, tsrca, ~7);
tcg_gen_qemu_ld_tl(tdest, tdest, dc->mmuidx, MO_TEQ);
tcg_gen_addi_tl(dest_gr(dc, srca), tsrca, imm);
mnemonic = "ldna_add";
break;
case OE_IM(ORI, X0):
case OE_IM(ORI, X1):
tcg_gen_ori_tl(tdest, tsrca, imm);
mnemonic = "ori";
break;
case OE_IM(V1ADDI, X0):
case OE_IM(V1ADDI, X1):
t0 = tcg_const_tl(V1_IMM(imm));
gen_v12add(tdest, tsrca, t0, V1_IMM(0x80));
tcg_temp_free(t0);
mnemonic = "v1addi";
break;
case OE_IM(V1CMPEQI, X0):
case OE_IM(V1CMPEQI, X1):
tcg_gen_xori_tl(tdest, tsrca, V1_IMM(imm));
gen_v1cmpeq0(tdest);
mnemonic = "v1cmpeqi";
break;
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):
return TILEGX_EXCP_OPCODE_UNIMPLEMENTED;
case OE_IM(V2ADDI, X0):
case OE_IM(V2ADDI, X1):
t0 = tcg_const_tl(V2_IMM(imm));
gen_v12add(tdest, tsrca, t0, V2_IMM(0x8000));
tcg_temp_free(t0);
mnemonic = "v2addi";
break;
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):
return TILEGX_EXCP_OPCODE_UNIMPLEMENTED;
case OE_IM(XORI, X0):
case OE_IM(XORI, X1):
tcg_gen_xori_tl(tdest, tsrca, imm);
mnemonic = "xori";
break;
case OE_SH(ROTLI, X0):
case OE_SH(ROTLI, X1):
case OE_SH(ROTLI, Y0):
case OE_SH(ROTLI, Y1):
tcg_gen_rotli_tl(tdest, tsrca, imm);
mnemonic = "rotli";
break;
case OE_SH(SHLI, X0):
case OE_SH(SHLI, X1):
case OE_SH(SHLI, Y0):
case OE_SH(SHLI, Y1):
tcg_gen_shli_tl(tdest, tsrca, imm);
mnemonic = "shli";
break;
case OE_SH(SHLXI, X0):
case OE_SH(SHLXI, X1):
tcg_gen_shli_tl(tdest, tsrca, imm & 31);
tcg_gen_ext32s_tl(tdest, tdest);
mnemonic = "shlxi";
break;
case OE_SH(SHRSI, X0):
case OE_SH(SHRSI, X1):
case OE_SH(SHRSI, Y0):
case OE_SH(SHRSI, Y1):
tcg_gen_sari_tl(tdest, tsrca, imm);
mnemonic = "shrsi";
break;
case OE_SH(SHRUI, X0):
case OE_SH(SHRUI, X1):
case OE_SH(SHRUI, Y0):
case OE_SH(SHRUI, Y1):
tcg_gen_shri_tl(tdest, tsrca, imm);
mnemonic = "shrui";
break;
case OE_SH(SHRUXI, X0):
case OE_SH(SHRUXI, X1):
if ((imm & 31) == 0) {
tcg_gen_ext32s_tl(tdest, tsrca);
} else {
tcg_gen_ext32u_tl(tdest, tsrca);
tcg_gen_shri_tl(tdest, tdest, imm & 31);
}
mnemonic = "shlxi";
break;
case OE_SH(V1SHLI, X0):
case OE_SH(V1SHLI, X1):
i2 = imm & 7;
i3 = 0xff >> i2;
tcg_gen_andi_tl(tdest, tsrca, V1_IMM(i3));
tcg_gen_shli_tl(tdest, tdest, i2);
mnemonic = "v1shli";
break;
case OE_SH(V1SHRSI, X0):
case OE_SH(V1SHRSI, X1):
t0 = tcg_const_tl(imm & 7);
gen_helper_v1shrs(tdest, tsrca, t0);
tcg_temp_free(t0);
mnemonic = "v1shrsi";
break;
case OE_SH(V1SHRUI, X0):
case OE_SH(V1SHRUI, X1):
i2 = imm & 7;
i3 = (0xff << i2) & 0xff;
tcg_gen_andi_tl(tdest, tsrca, V1_IMM(i3));
tcg_gen_shri_tl(tdest, tdest, i2);
mnemonic = "v1shrui";
break;
case OE_SH(V2SHLI, X0):
case OE_SH(V2SHLI, X1):
i2 = imm & 15;
i3 = 0xffff >> i2;
tcg_gen_andi_tl(tdest, tsrca, V2_IMM(i3));
tcg_gen_shli_tl(tdest, tdest, i2);
mnemonic = "v2shli";
break;
case OE_SH(V2SHRSI, X0):
case OE_SH(V2SHRSI, X1):
t0 = tcg_const_tl(imm & 15);
gen_helper_v2shrs(tdest, tsrca, t0);
tcg_temp_free(t0);
mnemonic = "v2shrsi";
break;
case OE_SH(V2SHRUI, X0):
case OE_SH(V2SHRUI, X1):
i2 = imm & 15;
i3 = (0xffff << i2) & 0xffff;
tcg_gen_andi_tl(tdest, tsrca, V2_IMM(i3));
tcg_gen_shri_tl(tdest, tdest, i2);
mnemonic = "v2shrui";
break;
case OE(ADDLI_OPCODE_X0, 0, X0):
case OE(ADDLI_OPCODE_X1, 0, X1):
tcg_gen_addi_tl(tdest, tsrca, imm);
mnemonic = "addli";
break;
case OE(ADDXLI_OPCODE_X0, 0, X0):
case OE(ADDXLI_OPCODE_X1, 0, X1):
tcg_gen_addi_tl(tdest, tsrca, imm);
tcg_gen_ext32s_tl(tdest, tdest);
mnemonic = "addxli";
break;
case OE(SHL16INSLI_OPCODE_X0, 0, X0):
case OE(SHL16INSLI_OPCODE_X1, 0, X1):
tcg_gen_shli_tl(tdest, tsrca, 16);
tcg_gen_ori_tl(tdest, tdest, imm & 0xffff);
mnemonic = "shl16insli";
break;
default:
return TILEGX_EXCP_OPCODE_UNKNOWN;
}
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)
{
TCGv tdest = dest_gr(dc, dest);
TCGv tsrca = load_gr(dc, srca);
TCGv tsrcd;
int len;
const char *mnemonic;
/* The bitfield is either between E and S inclusive,
or up from S and down from E inclusive. */
if (bfs <= bfe) {
len = bfe - bfs + 1;
} else {
len = (64 - bfs) + (bfe + 1);
}
switch (ext) {
case BFEXTU_BF_OPCODE_X0:
if (bfs == 0 && bfe == 7) {
tcg_gen_ext8u_tl(tdest, tsrca);
} else if (bfs == 0 && bfe == 15) {
tcg_gen_ext16u_tl(tdest, tsrca);
} else if (bfs == 0 && bfe == 31) {
tcg_gen_ext32u_tl(tdest, tsrca);
} else {
int rol = 63 - bfe;
if (bfs <= bfe) {
tcg_gen_shli_tl(tdest, tsrca, rol);
} else {
tcg_gen_rotli_tl(tdest, tsrca, rol);
}
tcg_gen_shri_tl(tdest, tdest, (bfs + rol) & 63);
}
mnemonic = "bfextu";
break;
case BFEXTS_BF_OPCODE_X0:
if (bfs == 0 && bfe == 7) {
tcg_gen_ext8s_tl(tdest, tsrca);
} else if (bfs == 0 && bfe == 15) {
tcg_gen_ext16s_tl(tdest, tsrca);
} else if (bfs == 0 && bfe == 31) {
tcg_gen_ext32s_tl(tdest, tsrca);
} else {
int rol = 63 - bfe;
if (bfs <= bfe) {
tcg_gen_shli_tl(tdest, tsrca, rol);
} else {
tcg_gen_rotli_tl(tdest, tsrca, rol);
}
tcg_gen_sari_tl(tdest, tdest, (bfs + rol) & 63);
}
mnemonic = "bfexts";
break;
case BFINS_BF_OPCODE_X0:
tsrcd = load_gr(dc, dest);
if (bfs <= bfe) {
tcg_gen_deposit_tl(tdest, tsrcd, tsrca, bfs, len);
} else {
tcg_gen_rotri_tl(tdest, tsrcd, bfs);
tcg_gen_deposit_tl(tdest, tdest, tsrca, 0, len);
tcg_gen_rotli_tl(tdest, tdest, bfs);
}
mnemonic = "bfins";
break;
case MM_BF_OPCODE_X0:
tsrcd = load_gr(dc, dest);
if (bfs == 0) {
tcg_gen_deposit_tl(tdest, tsrca, tsrcd, 0, len);
} else {
uint64_t mask = len == 64 ? -1 : rol64((1ULL << len) - 1, bfs);
TCGv tmp = tcg_const_tl(mask);
tcg_gen_and_tl(tdest, tsrcd, tmp);
tcg_gen_andc_tl(tmp, tsrca, tmp);
tcg_gen_or_tl(tdest, tdest, tmp);
tcg_temp_free(tmp);
}
mnemonic = "mm";
break;
default:
return TILEGX_EXCP_OPCODE_UNKNOWN;
}
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;
dc->jmp.dest = tcg_const_tl(tgt);
dc->jmp.val1 = tcg_temp_new();
tcg_gen_mov_tl(dc->jmp.val1, load_gr(dc, srca));
/* Note that the "predict taken" opcodes have bit 0 clear.
Therefore, fold the two cases together by setting bit 0. */
switch (ext | 1) {
case BEQZ_BRANCH_OPCODE_X1:
dc->jmp.cond = TCG_COND_EQ;
mnemonic = "beqz";
break;
case BNEZ_BRANCH_OPCODE_X1:
dc->jmp.cond = TCG_COND_NE;
mnemonic = "bnez";
break;
case BGEZ_BRANCH_OPCODE_X1:
dc->jmp.cond = TCG_COND_GE;
mnemonic = "bgez";
break;
case BGTZ_BRANCH_OPCODE_X1:
dc->jmp.cond = TCG_COND_GT;
mnemonic = "bgtz";
break;
case BLEZ_BRANCH_OPCODE_X1:
dc->jmp.cond = TCG_COND_LE;
mnemonic = "blez";
break;
case BLTZ_BRANCH_OPCODE_X1:
dc->jmp.cond = TCG_COND_LT;
mnemonic = "bltz";
break;
case BLBC_BRANCH_OPCODE_X1:
dc->jmp.cond = TCG_COND_EQ;
tcg_gen_andi_tl(dc->jmp.val1, dc->jmp.val1, 1);
mnemonic = "blbc";
break;
case BLBS_BRANCH_OPCODE_X1:
dc->jmp.cond = TCG_COND_NE;
tcg_gen_andi_tl(dc->jmp.val1, dc->jmp.val1, 1);
mnemonic = "blbs";
break;
default:
return TILEGX_EXCP_OPCODE_UNKNOWN;
}
if (qemu_loglevel_mask(CPU_LOG_TB_IN_ASM)) {
qemu_log("%s%s %s, " TARGET_FMT_lx " <%s>",
mnemonic, ext & 1 ? "" : "t",
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 = "j";
/* The extension field is 1 bit, therefore we only have JAL and J. */
if (ext == JAL_JUMP_OPCODE_X1) {
tcg_gen_movi_tl(dest_gr(dc, TILEGX_R_LR),
dc->pc + TILEGX_BUNDLE_SIZE_IN_BYTES);
mnemonic = "jal";
}
dc->jmp.cond = TCG_COND_ALWAYS;
dc->jmp.dest = tcg_const_tl(tgt);
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;
}
typedef struct {
const char *name;
intptr_t offset;
void (*get)(TCGv, TCGv_ptr);
void (*put)(TCGv_ptr, TCGv);
} TileSPR;
static const TileSPR *find_spr(unsigned spr)
{
/* Allow the compiler to construct the binary search tree. */
#define D(N, O, G, P) \
case SPR_##N: { static const TileSPR x = { #N, O, G, P }; return &x; }
switch (spr) {
D(CMPEXCH_VALUE,
offsetof(CPUTLGState, spregs[TILEGX_SPR_CMPEXCH]), 0, 0)
D(INTERRUPT_CRITICAL_SECTION,
offsetof(CPUTLGState, spregs[TILEGX_SPR_CRITICAL_SEC]), 0, 0)
D(SIM_CONTROL,
offsetof(CPUTLGState, spregs[TILEGX_SPR_SIM_CONTROL]), 0, 0)
D(EX_CONTEXT_0_0,
offsetof(CPUTLGState, spregs[TILEGX_SPR_EX_CONTEXT_0_0]), 0, 0)
D(EX_CONTEXT_0_1,
offsetof(CPUTLGState, spregs[TILEGX_SPR_EX_CONTEXT_0_1]), 0, 0)
}
#undef D
qemu_log_mask(LOG_UNIMP, "UNIMP SPR %u\n", spr);
return NULL;
}
static TileExcp gen_mtspr_x1(DisasContext *dc, unsigned spr, unsigned srca)
{
const TileSPR *def = find_spr(spr);
TCGv tsrca;
if (def == NULL) {
qemu_log_mask(CPU_LOG_TB_IN_ASM, "mtspr spr[%u], %s", spr, reg_names[srca]);
return TILEGX_EXCP_OPCODE_UNIMPLEMENTED;
}
tsrca = load_gr(dc, srca);
if (def->put) {
def->put(cpu_env, tsrca);
} else {
tcg_gen_st_tl(tsrca, cpu_env, def->offset);
}
qemu_log_mask(CPU_LOG_TB_IN_ASM, "mtspr %s, %s", def->name, reg_names[srca]);
return TILEGX_EXCP_NONE;
}
static TileExcp gen_mfspr_x1(DisasContext *dc, unsigned dest, unsigned spr)
{
const TileSPR *def = find_spr(spr);
TCGv tdest;
if (def == NULL) {
qemu_log_mask(CPU_LOG_TB_IN_ASM, "mtspr %s, spr[%u]", reg_names[dest], spr);
return TILEGX_EXCP_OPCODE_UNIMPLEMENTED;
}
tdest = dest_gr(dc, dest);
if (def->get) {
def->get(tdest, cpu_env);
} else {
tcg_gen_ld_tl(tdest, cpu_env, def->offset);
}
qemu_log_mask(CPU_LOG_TB_IN_ASM, "mfspr %s, %s", reg_names[dest], def->name);
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, bundle);
}
/* 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_UNKNOWN;
}
}
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, bundle);
}
/* 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_UNKNOWN;
}
}
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;
MemOp memop;
bool prefetch_nofault = false;
switch (OEY2(opc, mode)) {
case OEY2(LD1S_OPCODE_Y2, MODE_OPCODE_YA2):
memop = MO_SB;
mnemonic = "ld1s"; /* prefetch_l1_fault */
goto do_load;
case OEY2(LD1U_OPCODE_Y2, MODE_OPCODE_YA2):
memop = MO_UB;
mnemonic = "ld1u"; /* prefetch, prefetch_l1 */
prefetch_nofault = (srcbdest == TILEGX_R_ZERO);
goto do_load;
case OEY2(LD2S_OPCODE_Y2, MODE_OPCODE_YA2):
memop = MO_TESW;
mnemonic = "ld2s"; /* prefetch_l2_fault */
goto do_load;
case OEY2(LD2U_OPCODE_Y2, MODE_OPCODE_YA2):
memop = MO_TEUW;
mnemonic = "ld2u"; /* prefetch_l2 */
prefetch_nofault = (srcbdest == TILEGX_R_ZERO);
goto do_load;
case OEY2(LD4S_OPCODE_Y2, MODE_OPCODE_YB2):
memop = MO_TESL;
mnemonic = "ld4s"; /* prefetch_l3_fault */
goto do_load;
case OEY2(LD4U_OPCODE_Y2, MODE_OPCODE_YB2):
memop = MO_TEUL;
mnemonic = "ld4u"; /* prefetch_l3 */
prefetch_nofault = (srcbdest == TILEGX_R_ZERO);
goto do_load;
case OEY2(LD_OPCODE_Y2, MODE_OPCODE_YB2):
memop = MO_TEQ;
mnemonic = "ld";
do_load:
if (!prefetch_nofault) {
tcg_gen_qemu_ld_tl(dest_gr(dc, srcbdest), load_gr(dc, srca),
dc->mmuidx, memop);
}
qemu_log_mask(CPU_LOG_TB_IN_ASM, "%s %s, %s", mnemonic,
reg_names[srcbdest], reg_names[srca]);
return TILEGX_EXCP_NONE;
case OEY2(ST1_OPCODE_Y2, MODE_OPCODE_YC2):
return gen_st_opcode(dc, 0, srca, srcbdest, MO_UB, "st1");
case OEY2(ST2_OPCODE_Y2, MODE_OPCODE_YC2):
return gen_st_opcode(dc, 0, srca, srcbdest, MO_TEUW, "st2");
case OEY2(ST4_OPCODE_Y2, MODE_OPCODE_YC2):
return gen_st_opcode(dc, 0, srca, srcbdest, MO_TEUL, "st4");
case OEY2(ST_OPCODE_Y2, MODE_OPCODE_YC2):
return gen_st_opcode(dc, 0, srca, srcbdest, MO_TEQ, "st");
default:
return TILEGX_EXCP_OPCODE_UNKNOWN;
}
}
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, bundle);
}
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_UNKNOWN;
}
}
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);
srcb = get_SrcB_X1(bundle);
switch (ext) {
case UNARY_RRR_0_OPCODE_X1:
ext = get_UnaryOpcodeExtension_X1(bundle);
return gen_rr_opcode(dc, OE(opc, ext, X1), dest, srca, bundle);
case ST1_RRR_0_OPCODE_X1:
return gen_st_opcode(dc, dest, srca, srcb, MO_UB, "st1");
case ST2_RRR_0_OPCODE_X1:
return gen_st_opcode(dc, dest, srca, srcb, MO_TEUW, "st2");
case ST4_RRR_0_OPCODE_X1:
return gen_st_opcode(dc, dest, srca, srcb, MO_TEUL, "st4");
case STNT1_RRR_0_OPCODE_X1:
return gen_st_opcode(dc, dest, srca, srcb, MO_UB, "stnt1");
case STNT2_RRR_0_OPCODE_X1:
return gen_st_opcode(dc, dest, srca, srcb, MO_TEUW, "stnt2");
case STNT4_RRR_0_OPCODE_X1:
return gen_st_opcode(dc, dest, srca, srcb, MO_TEUL, "stnt4");
case STNT_RRR_0_OPCODE_X1:
return gen_st_opcode(dc, dest, srca, srcb, MO_TEQ, "stnt");
case ST_RRR_0_OPCODE_X1:
return gen_st_opcode(dc, dest, srca, srcb, MO_TEQ, "st");
}
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_Dest_Imm8_X1(bundle);
srcb = get_SrcB_X1(bundle);
switch (ext) {
case ST1_ADD_IMM8_OPCODE_X1:
return gen_st_add_opcode(dc, srca, srcb, imm, MO_UB, "st1_add");
case ST2_ADD_IMM8_OPCODE_X1:
return gen_st_add_opcode(dc, srca, srcb, imm, MO_TEUW, "st2_add");
case ST4_ADD_IMM8_OPCODE_X1:
return gen_st_add_opcode(dc, srca, srcb, imm, MO_TEUL, "st4_add");
case STNT1_ADD_IMM8_OPCODE_X1:
return gen_st_add_opcode(dc, srca, srcb, imm, MO_UB, "stnt1_add");
case STNT2_ADD_IMM8_OPCODE_X1:
return gen_st_add_opcode(dc, srca, srcb, imm, MO_TEUW, "stnt2_add");
case STNT4_ADD_IMM8_OPCODE_X1:
return gen_st_add_opcode(dc, srca, srcb, imm, MO_TEUL, "stnt4_add");
case STNT_ADD_IMM8_OPCODE_X1:
return gen_st_add_opcode(dc, srca, srcb, imm, MO_TEQ, "stnt_add");
case ST_ADD_IMM8_OPCODE_X1:
return gen_st_add_opcode(dc, srca, srcb, imm, MO_TEQ, "st_add");
case MFSPR_IMM8_OPCODE_X1:
return gen_mfspr_x1(dc, dest, get_MF_Imm14_X1(bundle));
case MTSPR_IMM8_OPCODE_X1:
return gen_mtspr_x1(dc, get_MT_Imm14_X1(bundle), srca);
}
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_UNKNOWN;
}
}
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);
switch (excp) {
case TILEGX_EXCP_OPCODE_UNIMPLEMENTED:
qemu_log_mask(LOG_UNIMP, "UNIMP %s, [" FMT64X "]\n", type, bundle);
break;
case TILEGX_EXCP_OPCODE_UNKNOWN:
qemu_log_mask(LOG_UNIMP, "UNKNOWN %s, [" FMT64X "]\n", type, bundle);
break;
default:
break;
}
}
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;
wb->val = NULL;
}
dc->num_wb = 0;
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(NULL, 0);
dc->exit_tb = true;
} else if (dc->atomic_excp != TILEGX_EXCP_NONE) {
gen_exception(dc, dc->atomic_excp);
}
}
void gen_intermediate_code(CPUState *cs, TranslationBlock *tb, int max_insns)
{
CPUTLGState *env = cs->env_ptr;
DisasContext ctx;
DisasContext *dc = &ctx;
uint64_t pc_start = tb->pc;
uint64_t page_start = pc_start & TARGET_PAGE_MASK;
int num_insns = 0;
dc->pc = pc_start;
dc->mmuidx = 0;
dc->exit_tb = false;
dc->atomic_excp = TILEGX_EXCP_NONE;
dc->jmp.cond = TCG_COND_NEVER;
dc->jmp.dest = NULL;
dc->jmp.val1 = NULL;
dc->zero = NULL;
if (qemu_loglevel_mask(CPU_LOG_TB_IN_ASM)) {
qemu_log_lock();
qemu_log("IN: %s\n", lookup_symbol(pc_start));
}
gen_tb_start(tb);
while (1) {
tcg_gen_insn_start(dc->pc);
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 - page_start >= TARGET_PAGE_SIZE)
|| 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(NULL, 0);
break;
}
}
gen_tb_end(tb, num_insns);
tb->size = dc->pc - pc_start;
tb->icount = num_insns;
if (qemu_loglevel_mask(CPU_LOG_TB_IN_ASM)) {
qemu_log("\n");
qemu_log_unlock();
}
}
void restore_state_to_opc(CPUTLGState *env, TranslationBlock *tb,
target_ulong *data)
{
env->pc = data[0];
}
void tilegx_tcg_init(void)
{
int i;
cpu_pc = tcg_global_mem_new_i64(cpu_env, offsetof(CPUTLGState, pc), "pc");
for (i = 0; i < TILEGX_R_COUNT; i++) {
cpu_regs[i] = tcg_global_mem_new_i64(cpu_env,
offsetof(CPUTLGState, regs[i]),
reg_names[i]);
}
}
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