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envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=205.220.168.131; envelope-from=brian.cain@oss.qualcomm.com; helo=mx0a-0031df01.pphosted.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: qemu development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @qualcomm.com) X-ZM-MESSAGEID: 1775673714037158500 From: Brian Cain Signed-off-by: Brian Cain --- target/hexagon/translate.h | 2 +- target/hexagon/translate.c | 87 ++++++++++++++++++++++++++++++++++++-- 2 files changed, 84 insertions(+), 5 deletions(-) diff --git a/target/hexagon/translate.h b/target/hexagon/translate.h index 82b327312ec..d5ea296ff26 100644 --- a/target/hexagon/translate.h +++ b/target/hexagon/translate.h @@ -45,7 +45,7 @@ typedef struct DisasContext { int greg_log_idx; int sreg_log[SREG_WRITES_MAX]; int sreg_log_idx; - TCGv_i32 t_sreg_new_value[NUM_SREGS]; + TCGv_i32 t_sreg_new_value[HEX_SREG_GLB_START]; TCGv_i32 greg_new_value[NUM_GREGS]; #endif int preg_log[PRED_WRITES_MAX]; diff --git a/target/hexagon/translate.c b/target/hexagon/translate.c index 6bba135f692..a42fd771f29 100644 --- a/target/hexagon/translate.c +++ b/target/hexagon/translate.c @@ -552,6 +552,10 @@ static void gen_start_packet(DisasContext *ctx) ctx->reg_log_idx =3D 0; bitmap_zero(ctx->regs_written, TOTAL_PER_THREAD_REGS); bitmap_zero(ctx->predicated_regs, TOTAL_PER_THREAD_REGS); +#ifndef CONFIG_USER_ONLY + ctx->greg_log_idx =3D 0; + ctx->sreg_log_idx =3D 0; +#endif ctx->preg_log_idx =3D 0; bitmap_zero(ctx->pregs_written, NUM_PREGS); ctx->future_vregs_idx =3D 0; @@ -584,6 +588,24 @@ static void gen_start_packet(DisasContext *ctx) * gen phase, so clear it again. */ bitmap_zero(ctx->pregs_written, NUM_PREGS); +#ifndef CONFIG_USER_ONLY + for (i =3D 0; i < HEX_SREG_GLB_START; i++) { + ctx->t_sreg_new_value[i] =3D NULL; + } + for (i =3D 0; i < ctx->sreg_log_idx; i++) { + int reg_num =3D ctx->sreg_log[i]; + if (reg_num < HEX_SREG_GLB_START) { + ctx->t_sreg_new_value[reg_num] =3D tcg_temp_new(); + } + } + for (i =3D 0; i < NUM_GREGS; i++) { + ctx->greg_new_value[i] =3D NULL; + } + for (i =3D 0; i < ctx->greg_log_idx; i++) { + int reg_num =3D ctx->greg_log[i]; + ctx->greg_new_value[reg_num] =3D tcg_temp_new(); + } +#endif =20 /* Initialize the runtime state for packet semantics */ if (need_slot_cancelled(pkt)) { @@ -743,6 +765,61 @@ static void gen_reg_writes(DisasContext *ctx) } } =20 +#ifndef CONFIG_USER_ONLY +static void gen_greg_writes(DisasContext *ctx) +{ + int i; + + for (i =3D 0; i < ctx->greg_log_idx; i++) { + int reg_num =3D ctx->greg_log[i]; + + tcg_gen_mov_tl(hex_greg[reg_num], ctx->greg_new_value[reg_num]); + } +} + + +static void gen_sreg_writes(DisasContext *ctx) +{ + int i; + + TCGv_i32 old_reg =3D tcg_temp_new_i32(); + for (i =3D 0; i < ctx->sreg_log_idx; i++) { + int reg_num =3D ctx->sreg_log[i]; + + if (reg_num =3D=3D HEX_SREG_SSR) { + tcg_gen_mov_tl(old_reg, hex_t_sreg[reg_num]); + tcg_gen_mov_tl(hex_t_sreg[reg_num], ctx->t_sreg_new_value[reg_= num]); + gen_helper_modify_ssr(tcg_env, ctx->t_sreg_new_value[reg_num], + old_reg); + /* This can change processor state, so end the TB */ + ctx->base.is_jmp =3D DISAS_NORETURN; + continue; + } else if ((reg_num =3D=3D HEX_SREG_STID) || + (reg_num =3D=3D HEX_SREG_IMASK) || + (reg_num =3D=3D HEX_SREG_IPENDAD)) { + if (reg_num < HEX_SREG_GLB_START) { + tcg_gen_mov_tl(old_reg, hex_t_sreg[reg_num]); + tcg_gen_mov_tl(hex_t_sreg[reg_num], + ctx->t_sreg_new_value[reg_num]); + } + /* This can change the interrupt state, so end the TB */ + gen_helper_pending_interrupt(tcg_env); + ctx->base.is_jmp =3D DISAS_NORETURN; + continue; + } else if ((reg_num =3D=3D HEX_SREG_BESTWAIT) || + (reg_num =3D=3D HEX_SREG_SCHEDCFG)) { + /* This can trigger resched interrupt, so end the TB */ + gen_helper_resched(tcg_env); + ctx->base.is_jmp =3D DISAS_NORETURN; + } + + if (reg_num < HEX_SREG_GLB_START) { + tcg_gen_mov_tl(hex_t_sreg[reg_num], ctx->t_sreg_new_value[reg_= num]); + } + } +} +#endif + static void gen_pred_writes(DisasContext *ctx) { /* Early exit if not needed or the log is empty */ @@ -1044,6 +1121,10 @@ static void gen_commit_packet(DisasContext *ctx) process_store_log(ctx); =20 gen_reg_writes(ctx); +#if !defined(CONFIG_USER_ONLY) + gen_greg_writes(ctx); + gen_sreg_writes(ctx); +#endif gen_pred_writes(ctx); if (pkt->pkt_has_hvx) { gen_commit_hvx(ctx); @@ -1256,6 +1337,8 @@ void hexagon_translate_init(void) hex_llsc_val_i64 =3D tcg_global_mem_new_i64(tcg_env, offsetof(CPUHexagonState, llsc_val_i64), "llsc_val_i64"); #ifndef CONFIG_USER_ONLY + hex_cause_code =3D tcg_global_mem_new_i32(tcg_env, + offsetof(CPUHexagonState, cause_code), "cause_code"); hex_cycle_count =3D tcg_global_mem_new_i64(tcg_env, offsetof(CPUHexagonState, t_cycle_count), "t_cycle_count"); #endif @@ -1296,8 +1379,4 @@ void hexagon_translate_init(void) offsetof(CPUHexagonState, vstore_pending[i]), vstore_pending_names[i]); } -#ifndef CONFIG_USER_ONLY - hex_cause_code =3D tcg_global_mem_new(tcg_env, - offsetof(CPUHexagonState, cause_code), "cause_code"); -#endif } --=20 2.34.1