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envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=205.220.180.131; envelope-from=brian.cain@oss.qualcomm.com; helo=mx0b-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: 1775677402849154100 From: Brian Cain Signed-off-by: Brian Cain --- target/hexagon/cpu.h | 9 +++++++++ target/hexagon/cpu.c | 28 ++++++++++++++++++++++++++-- target/hexagon/op_helper.c | 4 ++-- 3 files changed, 37 insertions(+), 4 deletions(-) diff --git a/target/hexagon/cpu.h b/target/hexagon/cpu.h index 3049b5a411a..2938291ff1d 100644 --- a/target/hexagon/cpu.h +++ b/target/hexagon/cpu.h @@ -212,6 +212,15 @@ G_NORETURN void hexagon_raise_exception_err(CPUHexagon= State *env, uint32_t exception, uintptr_t pc); =20 +#ifndef CONFIG_USER_ONLY +/* + * @return true if the @a thread_env hardware thread is + * not stopped. + */ +bool hexagon_thread_is_enabled(CPUHexagonState *thread_env); +void hexagon_cpu_soft_reset(CPUHexagonState *env); +#endif + typedef HexagonCPU ArchCPU; =20 void hexagon_translate_init(void); diff --git a/target/hexagon/cpu.c b/target/hexagon/cpu.c index 9ae8e104043..fe7bb198d72 100644 --- a/target/hexagon/cpu.c +++ b/target/hexagon/cpu.c @@ -33,6 +33,7 @@ #ifndef CONFIG_USER_ONLY #include "sys_macros.h" #include "accel/tcg/cpu-ldst.h" +#include "qemu/main-loop.h" #endif =20 static void hexagon_v66_cpu_init(Object *obj) { } @@ -315,6 +316,28 @@ static void hexagon_restore_state_to_opc(CPUState *cs, } =20 =20 +#ifndef CONFIG_USER_ONLY +void hexagon_cpu_soft_reset(CPUHexagonState *env) +{ + HexagonCPU *cpu; + + BQL_LOCK_GUARD(); + env->t_sreg[HEX_SREG_SSR] =3D 0; + hexagon_ssr_set_cause(env, HEX_CAUSE_RESET); + + cpu =3D env_archcpu(env); + if (cpu->globalregs) { + uint32_t evb =3D + hexagon_globalreg_read(cpu->globalregs, HEX_SREG_EVB, + env->threadId); + env->gpr[HEX_REG_PC] =3D evb; + } else { + env->gpr[HEX_REG_PC] =3D cpu->boot_addr; + } +} +#endif + + static void hexagon_cpu_reset_hold(Object *obj, ResetType type) { CPUState *cs =3D CPU(obj); @@ -344,9 +367,10 @@ static void hexagon_cpu_reset_hold(Object *obj, ResetT= ype type) =20 env->t_sreg[HEX_SREG_HTID] =3D cpu->htid; env->threadId =3D cpu->htid; - env->gpr[HEX_REG_PC] =3D cpu->boot_addr; -#endif + hexagon_cpu_soft_reset(env); env->cause_code =3D HEX_EVENT_NONE; + env->gpr[HEX_REG_PC] =3D cpu->boot_addr; +#endif } =20 static void hexagon_cpu_disas_set_info(const CPUState *cs, diff --git a/target/hexagon/op_helper.c b/target/hexagon/op_helper.c index 7e6e04e512a..a28ed061412 100644 --- a/target/hexagon/op_helper.c +++ b/target/hexagon/op_helper.c @@ -1478,12 +1478,12 @@ uint32_t HELPER(iassignr)(CPUHexagonState *env, uin= t32_t src) =20 void HELPER(start)(CPUHexagonState *env, uint32_t imask) { - g_assert_not_reached(); + hexagon_start_threads(env, imask); } =20 void HELPER(stop)(CPUHexagonState *env) { - g_assert_not_reached(); + hexagon_stop_thread(env); } =20 void HELPER(wait)(CPUHexagonState *env, target_ulong PC) --=20 2.34.1