Since the 405 CPU family was phased out, these timer models have no users anymore.
Signed-off-by: Cédric Le Goater <c...@redhat.com> --- include/hw/ppc/ppc.h | 15 --- target/ppc/cpu.h | 7 - target/ppc/helper.h | 4 - target/ppc/spr_common.h | 4 - hw/ppc/ppc.c | 251 ----------------------------------- target/ppc/timebase_helper.c | 20 --- target/ppc/translate.c | 24 ---- hw/ppc/trace-events | 5 - 8 files changed, 330 deletions(-) diff --git a/include/hw/ppc/ppc.h b/include/hw/ppc/ppc.h index 8a14d623f8ca..18b0492dd198 100644 --- a/include/hw/ppc/ppc.h +++ b/include/hw/ppc/ppc.h @@ -8,19 +8,6 @@ PowerPCCPU *ppc_get_vcpu_by_pir(int pir); int ppc_cpu_pir(PowerPCCPU *cpu); int ppc_cpu_tir(PowerPCCPU *cpu); -/* PowerPC hardware exceptions management helpers */ -typedef void (*clk_setup_cb)(void *opaque, uint32_t freq); -typedef struct clk_setup_t clk_setup_t; -struct clk_setup_t { - clk_setup_cb cb; - void *opaque; -}; -static inline void clk_setup (clk_setup_t *clk, uint32_t freq) -{ - if (clk->cb != NULL) - (*clk->cb)(clk->opaque, freq); -} - struct ppc_tb_t { /* Time base management */ int64_t tb_offset; /* Compensation */ @@ -67,8 +54,6 @@ int ppc_dcr_init (CPUPPCState *env, int (*dcr_read_error)(int dcrn), int (*dcr_write_error)(int dcrn)); int ppc_dcr_register (CPUPPCState *env, int dcrn, void *opaque, dcr_read_cb drc_read, dcr_write_cb dcr_write); -clk_setup_cb ppc_40x_timers_init (CPUPPCState *env, uint32_t freq, - unsigned int decr_excp); /* Embedded PowerPC reset */ void ppc40x_core_reset(PowerPCCPU *cpu); diff --git a/target/ppc/cpu.h b/target/ppc/cpu.h index 32423cfb7368..504924f10561 100644 --- a/target/ppc/cpu.h +++ b/target/ppc/cpu.h @@ -1615,11 +1615,7 @@ void cpu_ppc_store_tbu40(CPUPPCState *env, uint64_t value); uint64_t cpu_ppc_load_purr(CPUPPCState *env); void cpu_ppc_store_purr(CPUPPCState *env, uint64_t value); #if !defined(CONFIG_USER_ONLY) -target_ulong load_40x_pit(CPUPPCState *env); -void store_40x_pit(CPUPPCState *env, target_ulong val); void store_40x_dbcr0(CPUPPCState *env, uint32_t val); -void store_40x_tcr(CPUPPCState *env, target_ulong val); -void store_40x_tsr(CPUPPCState *env, target_ulong val); void store_booke_tcr(CPUPPCState *env, target_ulong val); void store_booke_tsr(CPUPPCState *env, target_ulong val); void ppc_tlb_invalidate_all(CPUPPCState *env); @@ -2196,11 +2192,8 @@ void ppc_compat_add_property(Object *obj, const char *name, #define SPR_403_CDBCR (0x3D7) #define SPR_L3ITCR0 (0x3D8) #define SPR_TCR (0x3D8) -#define SPR_40x_TSR (0x3D8) #define SPR_IBR (0x3DA) -#define SPR_40x_TCR (0x3DA) #define SPR_ESASRR (0x3DB) -#define SPR_40x_PIT (0x3DB) #define SPR_403_TBL (0x3DC) #define SPR_403_TBU (0x3DD) #define SPR_SEBR (0x3DE) diff --git a/target/ppc/helper.h b/target/ppc/helper.h index 8272ceb5d7b1..025f2b5ac902 100644 --- a/target/ppc/helper.h +++ b/target/ppc/helper.h @@ -746,10 +746,6 @@ DEF_HELPER_FLAGS_1(load_hdecr, TCG_CALL_NO_RWG, tl, env) DEF_HELPER_FLAGS_2(store_hdecr, TCG_CALL_NO_RWG, void, env, tl) DEF_HELPER_FLAGS_2(store_vtb, TCG_CALL_NO_RWG, void, env, tl) DEF_HELPER_FLAGS_2(store_tbu40, TCG_CALL_NO_RWG, void, env, tl) -DEF_HELPER_FLAGS_1(load_40x_pit, TCG_CALL_NO_RWG, tl, env) -DEF_HELPER_FLAGS_2(store_40x_pit, TCG_CALL_NO_RWG, void, env, tl) -DEF_HELPER_FLAGS_2(store_40x_tcr, TCG_CALL_NO_RWG, void, env, tl) -DEF_HELPER_FLAGS_2(store_40x_tsr, TCG_CALL_NO_RWG, void, env, tl) DEF_HELPER_2(store_40x_pid, void, env, tl) DEF_HELPER_2(store_40x_dbcr0, void, env, tl) DEF_HELPER_FLAGS_2(store_booke_tcr, TCG_CALL_NO_RWG, void, env, tl) diff --git a/target/ppc/spr_common.h b/target/ppc/spr_common.h index e98fb07bb285..4aab0e5f8291 100644 --- a/target/ppc/spr_common.h +++ b/target/ppc/spr_common.h @@ -135,11 +135,7 @@ void spr_write_dbatu_h(DisasContext *ctx, int sprn, int gprn); void spr_write_dbatl(DisasContext *ctx, int sprn, int gprn); void spr_write_dbatl_h(DisasContext *ctx, int sprn, int gprn); void spr_write_sdr1(DisasContext *ctx, int sprn, int gprn); -void spr_read_40x_pit(DisasContext *ctx, int gprn, int sprn); -void spr_write_40x_pit(DisasContext *ctx, int sprn, int gprn); void spr_write_40x_dbcr0(DisasContext *ctx, int sprn, int gprn); -void spr_write_40x_tcr(DisasContext *ctx, int sprn, int gprn); -void spr_write_40x_tsr(DisasContext *ctx, int sprn, int gprn); void spr_write_40x_pid(DisasContext *ctx, int sprn, int gprn); void spr_write_booke_tcr(DisasContext *ctx, int sprn, int gprn); void spr_write_booke_tsr(DisasContext *ctx, int sprn, int gprn); diff --git a/hw/ppc/ppc.c b/hw/ppc/ppc.c index 90e3db5cfeba..2c72c43f6ed3 100644 --- a/hw/ppc/ppc.c +++ b/hw/ppc/ppc.c @@ -1163,257 +1163,6 @@ void cpu_ppc_hdecr_exit(CPUPPCState *env) cpu_ppc_hdecr_lower(cpu); } -/*****************************************************************************/ -/* PowerPC 40x timers */ - -/* PIT, FIT & WDT */ -typedef struct ppc40x_timer_t ppc40x_timer_t; -struct ppc40x_timer_t { - uint64_t pit_reload; /* PIT auto-reload value */ - uint64_t fit_next; /* Tick for next FIT interrupt */ - QEMUTimer *fit_timer; - uint64_t wdt_next; /* Tick for next WDT interrupt */ - QEMUTimer *wdt_timer; - - /* 405 have the PIT, 440 have a DECR. */ - unsigned int decr_excp; -}; - -/* Fixed interval timer */ -static void cpu_4xx_fit_cb (void *opaque) -{ - PowerPCCPU *cpu = opaque; - CPUPPCState *env = &cpu->env; - ppc_tb_t *tb_env; - ppc40x_timer_t *ppc40x_timer; - uint64_t now, next; - - tb_env = env->tb_env; - ppc40x_timer = tb_env->opaque; - now = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); - switch ((env->spr[SPR_40x_TCR] >> 24) & 0x3) { - case 0: - next = 1 << 9; - break; - case 1: - next = 1 << 13; - break; - case 2: - next = 1 << 17; - break; - case 3: - next = 1 << 21; - break; - default: - /* Cannot occur, but makes gcc happy */ - return; - } - next = now + tb_to_ns_round_up(tb_env->tb_freq, next); - timer_mod(ppc40x_timer->fit_timer, next); - env->spr[SPR_40x_TSR] |= 1 << 26; - if ((env->spr[SPR_40x_TCR] >> 23) & 0x1) { - ppc_set_irq(cpu, PPC_INTERRUPT_FIT, 1); - } - trace_ppc4xx_fit((int)((env->spr[SPR_40x_TCR] >> 23) & 0x1), - env->spr[SPR_40x_TCR], env->spr[SPR_40x_TSR]); -} - -/* Programmable interval timer */ -static void start_stop_pit (CPUPPCState *env, ppc_tb_t *tb_env, int is_excp) -{ - ppc40x_timer_t *ppc40x_timer; - uint64_t now, next; - - ppc40x_timer = tb_env->opaque; - if (ppc40x_timer->pit_reload <= 1 || - !((env->spr[SPR_40x_TCR] >> 26) & 0x1) || - (is_excp && !((env->spr[SPR_40x_TCR] >> 22) & 0x1))) { - /* Stop PIT */ - trace_ppc4xx_pit_stop(); - timer_del(tb_env->decr_timer); - } else { - trace_ppc4xx_pit_start(ppc40x_timer->pit_reload); - now = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); - - if (is_excp) { - tb_env->decr_next += ppc40x_timer->pit_reload; - } else { - tb_env->decr_next = ns_to_tb(tb_env->decr_freq, now) - + ppc40x_timer->pit_reload; - } - next = tb_to_ns_round_up(tb_env->decr_freq, tb_env->decr_next); - timer_mod(tb_env->decr_timer, next); - } -} - -static void cpu_4xx_pit_cb (void *opaque) -{ - PowerPCCPU *cpu = opaque; - CPUPPCState *env = &cpu->env; - ppc_tb_t *tb_env; - ppc40x_timer_t *ppc40x_timer; - - tb_env = env->tb_env; - ppc40x_timer = tb_env->opaque; - env->spr[SPR_40x_TSR] |= 1 << 27; - if ((env->spr[SPR_40x_TCR] >> 26) & 0x1) { - ppc_set_irq(cpu, ppc40x_timer->decr_excp, 1); - } - start_stop_pit(env, tb_env, 1); - trace_ppc4xx_pit((int)((env->spr[SPR_40x_TCR] >> 22) & 0x1), - (int)((env->spr[SPR_40x_TCR] >> 26) & 0x1), - env->spr[SPR_40x_TCR], env->spr[SPR_40x_TSR], - ppc40x_timer->pit_reload); -} - -/* Watchdog timer */ -static void cpu_4xx_wdt_cb (void *opaque) -{ - PowerPCCPU *cpu = opaque; - CPUPPCState *env = &cpu->env; - ppc_tb_t *tb_env; - ppc40x_timer_t *ppc40x_timer; - uint64_t now, next; - - tb_env = env->tb_env; - ppc40x_timer = tb_env->opaque; - now = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); - switch ((env->spr[SPR_40x_TCR] >> 30) & 0x3) { - case 0: - next = 1 << 17; - break; - case 1: - next = 1 << 21; - break; - case 2: - next = 1 << 25; - break; - case 3: - next = 1 << 29; - break; - default: - /* Cannot occur, but makes gcc happy */ - return; - } - next = now + tb_to_ns_round_up(tb_env->decr_freq, next); - trace_ppc4xx_wdt(env->spr[SPR_40x_TCR], env->spr[SPR_40x_TSR]); - switch ((env->spr[SPR_40x_TSR] >> 30) & 0x3) { - case 0x0: - case 0x1: - timer_mod(ppc40x_timer->wdt_timer, next); - ppc40x_timer->wdt_next = next; - env->spr[SPR_40x_TSR] |= 1U << 31; - break; - case 0x2: - timer_mod(ppc40x_timer->wdt_timer, next); - ppc40x_timer->wdt_next = next; - env->spr[SPR_40x_TSR] |= 1 << 30; - if ((env->spr[SPR_40x_TCR] >> 27) & 0x1) { - ppc_set_irq(cpu, PPC_INTERRUPT_WDT, 1); - } - break; - case 0x3: - env->spr[SPR_40x_TSR] &= ~0x30000000; - env->spr[SPR_40x_TSR] |= env->spr[SPR_40x_TCR] & 0x30000000; - switch ((env->spr[SPR_40x_TCR] >> 28) & 0x3) { - case 0x0: - /* No reset */ - break; - case 0x1: /* Core reset */ - ppc40x_core_reset(cpu); - break; - case 0x2: /* Chip reset */ - ppc40x_chip_reset(cpu); - break; - case 0x3: /* System reset */ - ppc40x_system_reset(cpu); - break; - } - } -} - -void store_40x_pit (CPUPPCState *env, target_ulong val) -{ - ppc_tb_t *tb_env; - ppc40x_timer_t *ppc40x_timer; - - tb_env = env->tb_env; - ppc40x_timer = tb_env->opaque; - trace_ppc40x_store_pit(val); - ppc40x_timer->pit_reload = val; - start_stop_pit(env, tb_env, 0); -} - -target_ulong load_40x_pit (CPUPPCState *env) -{ - return cpu_ppc_load_decr(env); -} - -void store_40x_tsr(CPUPPCState *env, target_ulong val) -{ - PowerPCCPU *cpu = env_archcpu(env); - - trace_ppc40x_store_tcr(val); - - env->spr[SPR_40x_TSR] &= ~(val & 0xFC000000); - if (val & 0x80000000) { - ppc_set_irq(cpu, PPC_INTERRUPT_PIT, 0); - } -} - -void store_40x_tcr(CPUPPCState *env, target_ulong val) -{ - PowerPCCPU *cpu = env_archcpu(env); - ppc_tb_t *tb_env; - - trace_ppc40x_store_tsr(val); - - tb_env = env->tb_env; - env->spr[SPR_40x_TCR] = val & 0xFFC00000; - start_stop_pit(env, tb_env, 1); - cpu_4xx_wdt_cb(cpu); -} - -static void ppc_40x_set_tb_clk (void *opaque, uint32_t freq) -{ - CPUPPCState *env = opaque; - ppc_tb_t *tb_env = env->tb_env; - - trace_ppc40x_set_tb_clk(freq); - tb_env->tb_freq = freq; - tb_env->decr_freq = freq; - /* XXX: we should also update all timers */ -} - -clk_setup_cb ppc_40x_timers_init (CPUPPCState *env, uint32_t freq, - unsigned int decr_excp) -{ - ppc_tb_t *tb_env; - ppc40x_timer_t *ppc40x_timer; - PowerPCCPU *cpu = env_archcpu(env); - - trace_ppc40x_timers_init(freq); - - tb_env = g_new0(ppc_tb_t, 1); - ppc40x_timer = g_new0(ppc40x_timer_t, 1); - - env->tb_env = tb_env; - tb_env->flags = PPC_DECR_UNDERFLOW_TRIGGERED; - tb_env->tb_freq = freq; - tb_env->decr_freq = freq; - tb_env->opaque = ppc40x_timer; - - /* We use decr timer for PIT */ - tb_env->decr_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, &cpu_4xx_pit_cb, cpu); - ppc40x_timer->fit_timer = - timer_new_ns(QEMU_CLOCK_VIRTUAL, &cpu_4xx_fit_cb, cpu); - ppc40x_timer->wdt_timer = - timer_new_ns(QEMU_CLOCK_VIRTUAL, &cpu_4xx_wdt_cb, cpu); - ppc40x_timer->decr_excp = decr_excp; - - return &ppc_40x_set_tb_clk; -} - /*****************************************************************************/ /* Embedded PowerPC Device Control Registers */ typedef struct ppc_dcrn_t ppc_dcrn_t; diff --git a/target/ppc/timebase_helper.c b/target/ppc/timebase_helper.c index 73120323b4e6..1eee0a6918d3 100644 --- a/target/ppc/timebase_helper.c +++ b/target/ppc/timebase_helper.c @@ -181,26 +181,6 @@ void helper_store_tbu40(CPUPPCState *env, target_ulong val) } } -target_ulong helper_load_40x_pit(CPUPPCState *env) -{ - return load_40x_pit(env); -} - -void helper_store_40x_pit(CPUPPCState *env, target_ulong val) -{ - store_40x_pit(env, val); -} - -void helper_store_40x_tcr(CPUPPCState *env, target_ulong val) -{ - store_40x_tcr(env, val); -} - -void helper_store_40x_tsr(CPUPPCState *env, target_ulong val) -{ - store_40x_tsr(env, val); -} - void helper_store_booke_tcr(CPUPPCState *env, target_ulong val) { store_booke_tcr(env, val); diff --git a/target/ppc/translate.c b/target/ppc/translate.c index 0f19949897f4..ea5eff7cf0f8 100644 --- a/target/ppc/translate.c +++ b/target/ppc/translate.c @@ -946,18 +946,6 @@ void spr_write_dpdes(DisasContext *ctx, int sprn, int gprn) /* PowerPC 40x specific registers */ #if !defined(CONFIG_USER_ONLY) -void spr_read_40x_pit(DisasContext *ctx, int gprn, int sprn) -{ - translator_io_start(&ctx->base); - gen_helper_load_40x_pit(cpu_gpr[gprn], tcg_env); -} - -void spr_write_40x_pit(DisasContext *ctx, int sprn, int gprn) -{ - translator_io_start(&ctx->base); - gen_helper_store_40x_pit(tcg_env, cpu_gpr[gprn]); -} - void spr_write_40x_dbcr0(DisasContext *ctx, int sprn, int gprn) { translator_io_start(&ctx->base); @@ -967,18 +955,6 @@ void spr_write_40x_dbcr0(DisasContext *ctx, int sprn, int gprn) ctx->base.is_jmp = DISAS_EXIT_UPDATE; } -void spr_write_40x_tcr(DisasContext *ctx, int sprn, int gprn) -{ - translator_io_start(&ctx->base); - gen_helper_store_40x_tcr(tcg_env, cpu_gpr[gprn]); -} - -void spr_write_40x_tsr(DisasContext *ctx, int sprn, int gprn) -{ - translator_io_start(&ctx->base); - gen_helper_store_40x_tsr(tcg_env, cpu_gpr[gprn]); -} - void spr_write_40x_pid(DisasContext *ctx, int sprn, int gprn) { TCGv t0 = tcg_temp_new(); diff --git a/hw/ppc/trace-events b/hw/ppc/trace-events index 1f125ce84193..d00a81666c82 100644 --- a/hw/ppc/trace-events +++ b/hw/ppc/trace-events @@ -123,16 +123,11 @@ ppc_decr_load(uint64_t tb) "decr 0x%016" PRIx64 ppc_decr_excp(const char *action) "%s decrementer" ppc_decr_store(uint32_t nr_bits, uint64_t decr, uint64_t value) "%d-bit 0x%016" PRIx64 " => 0x%016" PRIx64 -ppc4xx_fit(uint32_t ir, uint64_t tcr, uint64_t tsr) "ir %d TCR 0x%" PRIx64 " TSR 0x%" PRIx64 ppc4xx_pit_stop(void) "" ppc4xx_pit_start(uint64_t reload) "PIT 0x%016" PRIx64 -ppc4xx_pit(uint32_t ar, uint32_t ir, uint64_t tcr, uint64_t tsr, uint64_t reload) "ar %d ir %d TCR 0x%" PRIx64 " TSR 0x%" PRIx64 " PIT 0x%016" PRIx64 ppc4xx_wdt(uint64_t tcr, uint64_t tsr) "TCR 0x%" PRIx64 " TSR 0x%" PRIx64 -ppc40x_store_pit(uint64_t value) "val 0x%" PRIx64 ppc40x_store_tcr(uint64_t value) "val 0x%" PRIx64 ppc40x_store_tsr(uint64_t value) "val 0x%" PRIx64 -ppc40x_set_tb_clk(uint32_t value) "new frequency %" PRIu32 -ppc40x_timers_init(uint32_t value) "frequency %" PRIu32 ppc_irq_set(void *env, uint32_t pin, uint32_t level) "env [%p] pin %d level %d" ppc_irq_set_exit(void *env, uint32_t irq, uint32_t level, uint32_t pending, uint32_t request) "env [%p] irq 0x%05" PRIx32 " level %d => pending 0x%08" PRIx32 " req 0x%08" PRIx32 -- 2.47.1