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/*
* Copyright(c) 2019-2023 Qualcomm Innovation Center, Inc. All Rights Reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
#ifndef HEXAGON_TRANSLATE_H
#define HEXAGON_TRANSLATE_H
#include "qemu/bitmap.h"
#include "qemu/log.h"
#include "cpu.h"
#include "exec/translator.h"
#include "tcg/tcg-op.h"
#include "insn.h"
#include "internal.h"
typedef struct DisasContext {
DisasContextBase base;
Packet *pkt;
Insn *insn;
uint32_t next_PC;
uint32_t mem_idx;
uint32_t num_packets;
uint32_t num_insns;
uint32_t num_hvx_insns;
int reg_log[REG_WRITES_MAX];
int reg_log_idx;
DECLARE_BITMAP(regs_written, TOTAL_PER_THREAD_REGS);
DECLARE_BITMAP(predicated_regs, TOTAL_PER_THREAD_REGS);
int preg_log[PRED_WRITES_MAX];
int preg_log_idx;
DECLARE_BITMAP(pregs_written, NUM_PREGS);
uint8_t store_width[STORES_MAX];
bool s1_store_processed;
int future_vregs_idx;
int future_vregs_num[VECTOR_TEMPS_MAX];
int tmp_vregs_idx;
int tmp_vregs_num[VECTOR_TEMPS_MAX];
int vreg_log[NUM_VREGS];
int vreg_log_idx;
DECLARE_BITMAP(vregs_updated_tmp, NUM_VREGS);
DECLARE_BITMAP(vregs_updated, NUM_VREGS);
DECLARE_BITMAP(vregs_select, NUM_VREGS);
DECLARE_BITMAP(predicated_future_vregs, NUM_VREGS);
DECLARE_BITMAP(predicated_tmp_vregs, NUM_VREGS);
int qreg_log[NUM_QREGS];
int qreg_log_idx;
bool pre_commit;
TCGCond branch_cond;
target_ulong branch_dest;
bool is_tight_loop;
bool need_pkt_has_store_s1;
} DisasContext;
static inline void ctx_log_pred_write(DisasContext *ctx, int pnum)
{
if (!test_bit(pnum, ctx->pregs_written)) {
ctx->preg_log[ctx->preg_log_idx] = pnum;
ctx->preg_log_idx++;
set_bit(pnum, ctx->pregs_written);
}
}
static inline void ctx_log_reg_write(DisasContext *ctx, int rnum,
bool is_predicated)
{
if (rnum == HEX_REG_P3_0_ALIASED) {
for (int i = 0; i < NUM_PREGS; i++) {
ctx_log_pred_write(ctx, i);
}
} else {
if (!test_bit(rnum, ctx->regs_written)) {
ctx->reg_log[ctx->reg_log_idx] = rnum;
ctx->reg_log_idx++;
set_bit(rnum, ctx->regs_written);
}
if (is_predicated) {
set_bit(rnum, ctx->predicated_regs);
}
}
}
static inline void ctx_log_reg_write_pair(DisasContext *ctx, int rnum,
bool is_predicated)
{
ctx_log_reg_write(ctx, rnum, is_predicated);
ctx_log_reg_write(ctx, rnum + 1, is_predicated);
}
intptr_t ctx_future_vreg_off(DisasContext *ctx, int regnum,
int num, bool alloc_ok);
intptr_t ctx_tmp_vreg_off(DisasContext *ctx, int regnum,
int num, bool alloc_ok);
static inline void ctx_log_vreg_write(DisasContext *ctx,
int rnum, VRegWriteType type,
bool is_predicated)
{
if (type != EXT_TMP) {
if (!test_bit(rnum, ctx->vregs_updated)) {
ctx->vreg_log[ctx->vreg_log_idx] = rnum;
ctx->vreg_log_idx++;
set_bit(rnum, ctx->vregs_updated);
}
set_bit(rnum, ctx->vregs_updated);
if (is_predicated) {
set_bit(rnum, ctx->predicated_future_vregs);
}
}
if (type == EXT_NEW) {
set_bit(rnum, ctx->vregs_select);
}
if (type == EXT_TMP) {
set_bit(rnum, ctx->vregs_updated_tmp);
if (is_predicated) {
set_bit(rnum, ctx->predicated_tmp_vregs);
}
}
}
static inline void ctx_log_vreg_write_pair(DisasContext *ctx,
int rnum, VRegWriteType type,
bool is_predicated)
{
ctx_log_vreg_write(ctx, rnum ^ 0, type, is_predicated);
ctx_log_vreg_write(ctx, rnum ^ 1, type, is_predicated);
}
static inline void ctx_log_qreg_write(DisasContext *ctx,
int rnum)
{
ctx->qreg_log[ctx->qreg_log_idx] = rnum;
ctx->qreg_log_idx++;
}
extern TCGv hex_gpr[TOTAL_PER_THREAD_REGS];
extern TCGv hex_pred[NUM_PREGS];
extern TCGv hex_this_PC;
extern TCGv hex_slot_cancelled;
extern TCGv hex_branch_taken;
extern TCGv hex_new_value[TOTAL_PER_THREAD_REGS];
extern TCGv hex_reg_written[TOTAL_PER_THREAD_REGS];
extern TCGv hex_new_pred_value[NUM_PREGS];
extern TCGv hex_pred_written;
extern TCGv hex_store_addr[STORES_MAX];
extern TCGv hex_store_width[STORES_MAX];
extern TCGv hex_store_val32[STORES_MAX];
extern TCGv_i64 hex_store_val64[STORES_MAX];
extern TCGv hex_dczero_addr;
extern TCGv hex_llsc_addr;
extern TCGv hex_llsc_val;
extern TCGv_i64 hex_llsc_val_i64;
extern TCGv hex_vstore_addr[VSTORES_MAX];
extern TCGv hex_vstore_size[VSTORES_MAX];
extern TCGv hex_vstore_pending[VSTORES_MAX];
bool is_gather_store_insn(DisasContext *ctx);
void process_store(DisasContext *ctx, int slot_num);
FIELD(PROBE_PKT_SCALAR_STORE_S0, MMU_IDX, 0, 2)
FIELD(PROBE_PKT_SCALAR_STORE_S0, IS_PREDICATED, 2, 1)
FIELD(PROBE_PKT_SCALAR_HVX_STORES, HAS_ST0, 0, 1)
FIELD(PROBE_PKT_SCALAR_HVX_STORES, HAS_ST1, 1, 1)
FIELD(PROBE_PKT_SCALAR_HVX_STORES, HAS_HVX_STORES, 2, 1)
FIELD(PROBE_PKT_SCALAR_HVX_STORES, S0_IS_PRED, 3, 1)
FIELD(PROBE_PKT_SCALAR_HVX_STORES, S1_IS_PRED, 4, 1)
FIELD(PROBE_PKT_SCALAR_HVX_STORES, MMU_IDX, 5, 2)
#endif
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