diff options
47 files changed, 1302 insertions, 277 deletions
diff --git a/hw/intc/Kconfig b/hw/intc/Kconfig index ecd2883ceb..21441d0a0c 100644 --- a/hw/intc/Kconfig +++ b/hw/intc/Kconfig @@ -72,12 +72,15 @@ config RISCV_ACLINT config RISCV_APLIC bool + select MSI_NONBROKEN config RISCV_IMSIC bool + select MSI_NONBROKEN config SIFIVE_PLIC bool + select MSI_NONBROKEN config GOLDFISH_PIC bool diff --git a/hw/intc/loongarch_pch_msi.c b/hw/intc/loongarch_pch_msi.c index b36d6d76e4..ecf3ed0267 100644 --- a/hw/intc/loongarch_pch_msi.c +++ b/hw/intc/loongarch_pch_msi.c @@ -32,7 +32,7 @@ static void loongarch_msi_mem_write(void *opaque, hwaddr addr, */ irq_num = (val & 0xff) - s->irq_base; trace_loongarch_msi_set_irq(irq_num); - assert(irq_num < PCH_MSI_IRQ_NUM); + assert(irq_num < s->irq_num); qemu_set_irq(s->pch_msi_irq[irq_num], 1); } @@ -49,6 +49,28 @@ static void pch_msi_irq_handler(void *opaque, int irq, int level) qemu_set_irq(s->pch_msi_irq[irq], level); } +static void loongarch_pch_msi_realize(DeviceState *dev, Error **errp) +{ + LoongArchPCHMSI *s = LOONGARCH_PCH_MSI(dev); + + if (!s->irq_num || s->irq_num > PCH_MSI_IRQ_NUM) { + error_setg(errp, "Invalid 'msi_irq_num'"); + return; + } + + s->pch_msi_irq = g_new(qemu_irq, s->irq_num); + + qdev_init_gpio_out(dev, s->pch_msi_irq, s->irq_num); + qdev_init_gpio_in(dev, pch_msi_irq_handler, s->irq_num); +} + +static void loongarch_pch_msi_unrealize(DeviceState *dev) +{ + LoongArchPCHMSI *s = LOONGARCH_PCH_MSI(dev); + + g_free(s->pch_msi_irq); +} + static void loongarch_pch_msi_init(Object *obj) { LoongArchPCHMSI *s = LOONGARCH_PCH_MSI(obj); @@ -59,12 +81,11 @@ static void loongarch_pch_msi_init(Object *obj) sysbus_init_mmio(sbd, &s->msi_mmio); msi_nonbroken = true; - qdev_init_gpio_out(DEVICE(obj), s->pch_msi_irq, PCH_MSI_IRQ_NUM); - qdev_init_gpio_in(DEVICE(obj), pch_msi_irq_handler, PCH_MSI_IRQ_NUM); } static Property loongarch_msi_properties[] = { DEFINE_PROP_UINT32("msi_irq_base", LoongArchPCHMSI, irq_base, 0), + DEFINE_PROP_UINT32("msi_irq_num", LoongArchPCHMSI, irq_num, 0), DEFINE_PROP_END_OF_LIST(), }; @@ -72,6 +93,8 @@ static void loongarch_pch_msi_class_init(ObjectClass *klass, void *data) { DeviceClass *dc = DEVICE_CLASS(klass); + dc->realize = loongarch_pch_msi_realize; + dc->unrealize = loongarch_pch_msi_unrealize; device_class_set_props(dc, loongarch_msi_properties); } diff --git a/hw/intc/loongarch_pch_pic.c b/hw/intc/loongarch_pch_pic.c index 3380b09807..9208fc4460 100644 --- a/hw/intc/loongarch_pch_pic.c +++ b/hw/intc/loongarch_pch_pic.c @@ -6,12 +6,16 @@ */ #include "qemu/osdep.h" +#include "qemu/bitops.h" #include "hw/sysbus.h" #include "hw/loongarch/virt.h" +#include "hw/pci-host/ls7a.h" #include "hw/irq.h" #include "hw/intc/loongarch_pch_pic.h" +#include "hw/qdev-properties.h" #include "migration/vmstate.h" #include "trace.h" +#include "qapi/error.h" static void pch_pic_update_irq(LoongArchPCHPIC *s, uint64_t mask, int level) { @@ -40,7 +44,7 @@ static void pch_pic_irq_handler(void *opaque, int irq, int level) LoongArchPCHPIC *s = LOONGARCH_PCH_PIC(opaque); uint64_t mask = 1ULL << irq; - assert(irq < PCH_PIC_IRQ_NUM); + assert(irq < s->irq_num); trace_loongarch_pch_pic_irq_handler(irq, level); if (s->intedge & mask) { @@ -78,7 +82,12 @@ static uint64_t loongarch_pch_pic_low_readw(void *opaque, hwaddr addr, val = PCH_PIC_INT_ID_VAL; break; case PCH_PIC_INT_ID_HI: - val = PCH_PIC_INT_ID_NUM; + /* + * With 7A1000 manual + * bit 0-15 pch irqchip version + * bit 16-31 irq number supported with pch irqchip + */ + val = deposit32(PCH_PIC_INT_ID_VER, 16, 16, s->irq_num - 1); break; case PCH_PIC_INT_MASK_LO: val = (uint32_t)s->int_mask; @@ -365,6 +374,19 @@ static void loongarch_pch_pic_reset(DeviceState *d) s->int_polarity = 0x0; } +static void loongarch_pch_pic_realize(DeviceState *dev, Error **errp) +{ + LoongArchPCHPIC *s = LOONGARCH_PCH_PIC(dev); + + if (!s->irq_num || s->irq_num > VIRT_PCH_PIC_IRQ_NUM) { + error_setg(errp, "Invalid 'pic_irq_num'"); + return; + } + + qdev_init_gpio_out(dev, s->parent_irq, s->irq_num); + qdev_init_gpio_in(dev, pch_pic_irq_handler, s->irq_num); +} + static void loongarch_pch_pic_init(Object *obj) { LoongArchPCHPIC *s = LOONGARCH_PCH_PIC(obj); @@ -382,10 +404,13 @@ static void loongarch_pch_pic_init(Object *obj) sysbus_init_mmio(sbd, &s->iomem8); sysbus_init_mmio(sbd, &s->iomem32_high); - qdev_init_gpio_out(DEVICE(obj), s->parent_irq, PCH_PIC_IRQ_NUM); - qdev_init_gpio_in(DEVICE(obj), pch_pic_irq_handler, PCH_PIC_IRQ_NUM); } +static Property loongarch_pch_pic_properties[] = { + DEFINE_PROP_UINT32("pch_pic_irq_num", LoongArchPCHPIC, irq_num, 0), + DEFINE_PROP_END_OF_LIST(), +}; + static const VMStateDescription vmstate_loongarch_pch_pic = { .name = TYPE_LOONGARCH_PCH_PIC, .version_id = 1, @@ -411,8 +436,10 @@ static void loongarch_pch_pic_class_init(ObjectClass *klass, void *data) { DeviceClass *dc = DEVICE_CLASS(klass); + dc->realize = loongarch_pch_pic_realize; dc->reset = loongarch_pch_pic_reset; dc->vmsd = &vmstate_loongarch_pch_pic; + device_class_set_props(dc, loongarch_pch_pic_properties); } static const TypeInfo loongarch_pch_pic_info = { diff --git a/hw/intc/sifive_plic.c b/hw/intc/sifive_plic.c index c2dfacf028..5522ede2cf 100644 --- a/hw/intc/sifive_plic.c +++ b/hw/intc/sifive_plic.c @@ -42,7 +42,6 @@ static PLICMode char_to_mode(char c) switch (c) { case 'U': return PLICMode_U; case 'S': return PLICMode_S; - case 'H': return PLICMode_H; case 'M': return PLICMode_M; default: error_report("plic: invalid mode '%c'", c); @@ -78,6 +77,7 @@ static uint32_t sifive_plic_claimed(SiFivePLICState *plic, uint32_t addrid) uint32_t max_irq = 0; uint32_t max_prio = plic->target_priority[addrid]; int i, j; + int num_irq_in_word = 32; for (i = 0; i < plic->bitfield_words; i++) { uint32_t pending_enabled_not_claimed = @@ -88,7 +88,16 @@ static uint32_t sifive_plic_claimed(SiFivePLICState *plic, uint32_t addrid) continue; } - for (j = 0; j < 32; j++) { + if (i == (plic->bitfield_words - 1)) { + /* + * If plic->num_sources is not multiple of 32, num-of-irq in last + * word is not 32. Compute the num-of-irq of last word to avoid + * out-of-bound access of source_priority array. + */ + num_irq_in_word = plic->num_sources - ((plic->bitfield_words - 1) << 5); + } + + for (j = 0; j < num_irq_in_word; j++) { int irq = (i << 5) + j; uint32_t prio = plic->source_priority[irq]; int enabled = pending_enabled_not_claimed & (1 << j); @@ -131,10 +140,11 @@ static uint64_t sifive_plic_read(void *opaque, hwaddr addr, unsigned size) SiFivePLICState *plic = opaque; if (addr_between(addr, plic->priority_base, plic->num_sources << 2)) { - uint32_t irq = ((addr - plic->priority_base) >> 2) + 1; + uint32_t irq = (addr - plic->priority_base) >> 2; return plic->source_priority[irq]; - } else if (addr_between(addr, plic->pending_base, plic->num_sources >> 3)) { + } else if (addr_between(addr, plic->pending_base, + (plic->num_sources + 31) >> 3)) { uint32_t word = (addr - plic->pending_base) >> 2; return plic->pending[word]; @@ -178,7 +188,7 @@ static void sifive_plic_write(void *opaque, hwaddr addr, uint64_t value, SiFivePLICState *plic = opaque; if (addr_between(addr, plic->priority_base, plic->num_sources << 2)) { - uint32_t irq = ((addr - plic->priority_base) >> 2) + 1; + uint32_t irq = (addr - plic->priority_base) >> 2; if (((plic->num_priorities + 1) & plic->num_priorities) == 0) { /* @@ -193,7 +203,7 @@ static void sifive_plic_write(void *opaque, hwaddr addr, uint64_t value, sifive_plic_update(plic); } } else if (addr_between(addr, plic->pending_base, - plic->num_sources >> 3)) { + (plic->num_sources + 31) >> 3)) { qemu_log_mask(LOG_GUEST_ERROR, "%s: invalid pending write: 0x%" HWADDR_PRIx "", __func__, addr); @@ -281,7 +291,7 @@ static void sifive_plic_reset(DeviceState *dev) */ static void parse_hart_config(SiFivePLICState *plic) { - int addrid, hartid, modes; + int addrid, hartid, modes, m; const char *p; char c; @@ -290,11 +300,13 @@ static void parse_hart_config(SiFivePLICState *plic) p = plic->hart_config; while ((c = *p++)) { if (c == ',') { - addrid += ctpop8(modes); - modes = 0; - hartid++; + if (modes) { + addrid += ctpop8(modes); + hartid++; + modes = 0; + } } else { - int m = 1 << char_to_mode(c); + m = 1 << char_to_mode(c); if (modes == (modes | m)) { error_report("plic: duplicate mode '%c' in config: %s", c, plic->hart_config); @@ -305,8 +317,9 @@ static void parse_hart_config(SiFivePLICState *plic) } if (modes) { addrid += ctpop8(modes); + hartid++; + modes = 0; } - hartid++; plic->num_addrs = addrid; plic->num_harts = hartid; @@ -317,11 +330,16 @@ static void parse_hart_config(SiFivePLICState *plic) p = plic->hart_config; while ((c = *p++)) { if (c == ',') { - hartid++; + if (modes) { + hartid++; + modes = 0; + } } else { + m = char_to_mode(c); plic->addr_config[addrid].addrid = addrid; plic->addr_config[addrid].hartid = hartid; - plic->addr_config[addrid].mode = char_to_mode(c); + plic->addr_config[addrid].mode = m; + modes |= (1 << m); addrid++; } } @@ -346,6 +364,11 @@ static void sifive_plic_realize(DeviceState *dev, Error **errp) parse_hart_config(s); + if (!s->num_sources) { + error_setg(errp, "plic: invalid number of interrupt sources"); + return; + } + s->bitfield_words = (s->num_sources + 31) >> 5; s->num_enables = s->bitfield_words * s->num_addrs; s->source_priority = g_new0(uint32_t, s->num_sources); @@ -362,7 +385,8 @@ static void sifive_plic_realize(DeviceState *dev, Error **errp) s->m_external_irqs = g_malloc(sizeof(qemu_irq) * s->num_harts); qdev_init_gpio_out(dev, s->m_external_irqs, s->num_harts); - /* We can't allow the supervisor to control SEIP as this would allow the + /* + * We can't allow the supervisor to control SEIP as this would allow the * supervisor to clear a pending external interrupt which will result in * lost a interrupt in the case a PLIC is attached. The SEIP bit must be * hardware controlled when a PLIC is attached. @@ -370,8 +394,8 @@ static void sifive_plic_realize(DeviceState *dev, Error **errp) for (i = 0; i < s->num_harts; i++) { RISCVCPU *cpu = RISCV_CPU(qemu_get_cpu(s->hartid_base + i)); if (riscv_cpu_claim_interrupts(cpu, MIP_SEIP) < 0) { - error_report("SEIP already claimed"); - exit(1); + error_setg(errp, "SEIP already claimed"); + return; } } @@ -402,8 +426,10 @@ static const VMStateDescription vmstate_sifive_plic = { static Property sifive_plic_properties[] = { DEFINE_PROP_STRING("hart-config", SiFivePLICState, hart_config), DEFINE_PROP_UINT32("hartid-base", SiFivePLICState, hartid_base, 0), - DEFINE_PROP_UINT32("num-sources", SiFivePLICState, num_sources, 0), + /* number of interrupt sources including interrupt source 0 */ + DEFINE_PROP_UINT32("num-sources", SiFivePLICState, num_sources, 1), DEFINE_PROP_UINT32("num-priorities", SiFivePLICState, num_priorities, 0), + /* interrupt priority register base starting from source 0 */ DEFINE_PROP_UINT32("priority-base", SiFivePLICState, priority_base, 0), DEFINE_PROP_UINT32("pending-base", SiFivePLICState, pending_base, 0), DEFINE_PROP_UINT32("enable-base", SiFivePLICState, enable_base, 0), @@ -476,11 +502,11 @@ DeviceState *sifive_plic_create(hwaddr addr, char *hart_config, CPUState *cpu = qemu_get_cpu(cpu_num); if (plic->addr_config[i].mode == PLICMode_M) { - qdev_connect_gpio_out(dev, num_harts - plic->hartid_base + cpu_num, + qdev_connect_gpio_out(dev, cpu_num - hartid_base + num_harts, qdev_get_gpio_in(DEVICE(cpu), IRQ_M_EXT)); } if (plic->addr_config[i].mode == PLICMode_S) { - qdev_connect_gpio_out(dev, cpu_num, + qdev_connect_gpio_out(dev, cpu_num - hartid_base, qdev_get_gpio_in(DEVICE(cpu), IRQ_S_EXT)); } } diff --git a/hw/loongarch/virt.c b/hw/loongarch/virt.c index c8a495ea30..66be925068 100644 --- a/hw/loongarch/virt.c +++ b/hw/loongarch/virt.c @@ -553,7 +553,7 @@ static void loongarch_irq_init(LoongArchMachineState *lams) LoongArchCPU *lacpu; CPULoongArchState *env; CPUState *cpu_state; - int cpu, pin, i; + int cpu, pin, i, start, num; ipi = qdev_new(TYPE_LOONGARCH_IPI); sysbus_realize_and_unref(SYS_BUS_DEVICE(ipi), &error_fatal); @@ -616,6 +616,8 @@ static void loongarch_irq_init(LoongArchMachineState *lams) } pch_pic = qdev_new(TYPE_LOONGARCH_PCH_PIC); + num = VIRT_PCH_PIC_IRQ_NUM; + qdev_prop_set_uint32(pch_pic, "pch_pic_irq_num", num); d = SYS_BUS_DEVICE(pch_pic); sysbus_realize_and_unref(d, &error_fatal); memory_region_add_subregion(get_system_memory(), VIRT_IOAPIC_REG_BASE, @@ -627,20 +629,23 @@ static void loongarch_irq_init(LoongArchMachineState *lams) VIRT_IOAPIC_REG_BASE + PCH_PIC_INT_STATUS_LO, sysbus_mmio_get_region(d, 2)); - /* Connect 64 pch_pic irqs to extioi */ - for (int i = 0; i < PCH_PIC_IRQ_NUM; i++) { + /* Connect pch_pic irqs to extioi */ + for (int i = 0; i < num; i++) { qdev_connect_gpio_out(DEVICE(d), i, qdev_get_gpio_in(extioi, i)); } pch_msi = qdev_new(TYPE_LOONGARCH_PCH_MSI); - qdev_prop_set_uint32(pch_msi, "msi_irq_base", PCH_MSI_IRQ_START); + start = num; + num = EXTIOI_IRQS - start; + qdev_prop_set_uint32(pch_msi, "msi_irq_base", start); + qdev_prop_set_uint32(pch_msi, "msi_irq_num", num); d = SYS_BUS_DEVICE(pch_msi); sysbus_realize_and_unref(d, &error_fatal); sysbus_mmio_map(d, 0, VIRT_PCH_MSI_ADDR_LOW); - for (i = 0; i < PCH_MSI_IRQ_NUM; i++) { - /* Connect 192 pch_msi irqs to extioi */ + for (i = 0; i < num; i++) { + /* Connect pch_msi irqs to extioi */ qdev_connect_gpio_out(DEVICE(d), i, - qdev_get_gpio_in(extioi, i + PCH_MSI_IRQ_START)); + qdev_get_gpio_in(extioi, i + start)); } loongarch_devices_init(pch_pic, lams); diff --git a/hw/misc/mchp_pfsoc_ioscb.c b/hw/misc/mchp_pfsoc_ioscb.c index f4fd55a0e5..a71d134295 100644 --- a/hw/misc/mchp_pfsoc_ioscb.c +++ b/hw/misc/mchp_pfsoc_ioscb.c @@ -24,6 +24,7 @@ #include "qemu/bitops.h" #include "qemu/log.h" #include "qapi/error.h" +#include "hw/irq.h" #include "hw/sysbus.h" #include "hw/misc/mchp_pfsoc_ioscb.h" @@ -33,6 +34,10 @@ */ #define IOSCB_WHOLE_REG_SIZE 0x10000000 #define IOSCB_SUBMOD_REG_SIZE 0x1000 +#define IOSCB_CCC_REG_SIZE 0x2000000 +#define IOSCB_CTRL_REG_SIZE 0x800 +#define IOSCB_QSPIXIP_REG_SIZE 0x200 + /* * There are many sub-modules in the IOSCB module. @@ -44,7 +49,10 @@ #define IOSCB_LANE01_BASE 0x06500000 #define IOSCB_LANE23_BASE 0x06510000 #define IOSCB_CTRL_BASE 0x07020000 +#define IOSCB_QSPIXIP_BASE 0x07020100 +#define IOSCB_MAILBOX_BASE 0x07020800 #define IOSCB_CFG_BASE 0x07080000 +#define IOSCB_CCC_BASE 0x08000000 #define IOSCB_PLL_MSS_BASE 0x0E001000 #define IOSCB_CFM_MSS_BASE 0x0E002000 #define IOSCB_PLL_DDR_BASE 0x0E010000 @@ -141,6 +149,58 @@ static const MemoryRegionOps mchp_pfsoc_io_calib_ddr_ops = { .endianness = DEVICE_LITTLE_ENDIAN, }; +#define SERVICES_CR 0x50 +#define SERVICES_SR 0x54 +#define SERVICES_STATUS_SHIFT 16 + +static uint64_t mchp_pfsoc_ctrl_read(void *opaque, hwaddr offset, + unsigned size) +{ + uint32_t val = 0; + + switch (offset) { + case SERVICES_SR: + /* + * Although some services have no error codes, most do. All services + * that do implement errors, begin their error codes at 1. Treat all + * service requests as failures & return 1. + * See the "PolarFire® FPGA and PolarFire SoC FPGA System Services" + * user guide for more information on service error codes. + */ + val = 1u << SERVICES_STATUS_SHIFT; + break; + default: + qemu_log_mask(LOG_UNIMP, "%s: unimplemented device read " + "(size %d, offset 0x%" HWADDR_PRIx ")\n", + __func__, size, offset); + } + + return val; +} + +static void mchp_pfsoc_ctrl_write(void *opaque, hwaddr offset, + uint64_t value, unsigned size) +{ + MchpPfSoCIoscbState *s = opaque; + + switch (offset) { + case SERVICES_CR: + qemu_irq_raise(s->irq); + break; + default: + qemu_log_mask(LOG_UNIMP, "%s: unimplemented device write " + "(size %d, value 0x%" PRIx64 + ", offset 0x%" HWADDR_PRIx ")\n", + __func__, size, value, offset); + } +} + +static const MemoryRegionOps mchp_pfsoc_ctrl_ops = { + .read = mchp_pfsoc_ctrl_read, + .write = mchp_pfsoc_ctrl_write, + .endianness = DEVICE_LITTLE_ENDIAN, +}; + static void mchp_pfsoc_ioscb_realize(DeviceState *dev, Error **errp) { MchpPfSoCIoscbState *s = MCHP_PFSOC_IOSCB(dev); @@ -160,14 +220,26 @@ static void mchp_pfsoc_ioscb_realize(DeviceState *dev, Error **errp) "mchp.pfsoc.ioscb.lane23", IOSCB_SUBMOD_REG_SIZE); memory_region_add_subregion(&s->container, IOSCB_LANE23_BASE, &s->lane23); - memory_region_init_io(&s->ctrl, OBJECT(s), &mchp_pfsoc_dummy_ops, s, - "mchp.pfsoc.ioscb.ctrl", IOSCB_SUBMOD_REG_SIZE); + memory_region_init_io(&s->ctrl, OBJECT(s), &mchp_pfsoc_ctrl_ops, s, + "mchp.pfsoc.ioscb.ctrl", IOSCB_CTRL_REG_SIZE); memory_region_add_subregion(&s->container, IOSCB_CTRL_BASE, &s->ctrl); + memory_region_init_io(&s->qspixip, OBJECT(s), &mchp_pfsoc_dummy_ops, s, + "mchp.pfsoc.ioscb.qspixip", IOSCB_QSPIXIP_REG_SIZE); + memory_region_add_subregion(&s->container, IOSCB_QSPIXIP_BASE, &s->qspixip); + + memory_region_init_io(&s->mailbox, OBJECT(s), &mchp_pfsoc_dummy_ops, s, + "mchp.pfsoc.ioscb.mailbox", IOSCB_SUBMOD_REG_SIZE); + memory_region_add_subregion(&s->container, IOSCB_MAILBOX_BASE, &s->mailbox); + memory_region_init_io(&s->cfg, OBJECT(s), &mchp_pfsoc_dummy_ops, s, "mchp.pfsoc.ioscb.cfg", IOSCB_SUBMOD_REG_SIZE); memory_region_add_subregion(&s->container, IOSCB_CFG_BASE, &s->cfg); + memory_region_init_io(&s->ccc, OBJECT(s), &mchp_pfsoc_dummy_ops, s, + "mchp.pfsoc.ioscb.ccc", IOSCB_CCC_REG_SIZE); + memory_region_add_subregion(&s->container, IOSCB_CCC_BASE, &s->ccc); + memory_region_init_io(&s->pll_mss, OBJECT(s), &mchp_pfsoc_pll_ops, s, "mchp.pfsoc.ioscb.pll_mss", IOSCB_SUBMOD_REG_SIZE); memory_region_add_subregion(&s->container, IOSCB_PLL_MSS_BASE, &s->pll_mss); @@ -216,6 +288,8 @@ static void mchp_pfsoc_ioscb_realize(DeviceState *dev, Error **errp) IOSCB_SUBMOD_REG_SIZE); memory_region_add_subregion(&s->container, IOSCB_IO_CALIB_SGMII_BASE, &s->io_calib_sgmii); + + sysbus_init_irq(SYS_BUS_DEVICE(dev), &s->irq); } static void mchp_pfsoc_ioscb_class_init(ObjectClass *klass, void *data) diff --git a/hw/misc/mchp_pfsoc_sysreg.c b/hw/misc/mchp_pfsoc_sysreg.c index 89571eded5..7876fe0c5b 100644 --- a/hw/misc/mchp_pfsoc_sysreg.c +++ b/hw/misc/mchp_pfsoc_sysreg.c @@ -24,10 +24,12 @@ #include "qemu/bitops.h" #include "qemu/log.h" #include "qapi/error.h" +#include "hw/irq.h" #include "hw/sysbus.h" #include "hw/misc/mchp_pfsoc_sysreg.h" #define ENVM_CR 0xb8 +#define MESSAGE_INT 0x118c static uint64_t mchp_pfsoc_sysreg_read(void *opaque, hwaddr offset, unsigned size) @@ -52,10 +54,17 @@ static uint64_t mchp_pfsoc_sysreg_read(void *opaque, hwaddr offset, static void mchp_pfsoc_sysreg_write(void *opaque, hwaddr offset, uint64_t value, unsigned size) { - qemu_log_mask(LOG_UNIMP, "%s: unimplemented device write " - "(size %d, value 0x%" PRIx64 - ", offset 0x%" HWADDR_PRIx ")\n", - __func__, size, value, offset); + MchpPfSoCSysregState *s = opaque; + switch (offset) { + case MESSAGE_INT: + qemu_irq_lower(s->irq); + break; + default: + qemu_log_mask(LOG_UNIMP, "%s: unimplemented device write " + "(size %d, value 0x%" PRIx64 + ", offset 0x%" HWADDR_PRIx ")\n", + __func__, size, value, offset); + } } static const MemoryRegionOps mchp_pfsoc_sysreg_ops = { @@ -73,6 +82,7 @@ static void mchp_pfsoc_sysreg_realize(DeviceState *dev, Error **errp) "mchp.pfsoc.sysreg", MCHP_PFSOC_SYSREG_REG_SIZE); sysbus_init_mmio(SYS_BUS_DEVICE(dev), &s->sysreg); + sysbus_init_irq(SYS_BUS_DEVICE(dev), &s->irq); } static void mchp_pfsoc_sysreg_class_init(ObjectClass *klass, void *data) diff --git a/hw/riscv/Kconfig b/hw/riscv/Kconfig index 79ff61c464..4550b3b938 100644 --- a/hw/riscv/Kconfig +++ b/hw/riscv/Kconfig @@ -4,6 +4,8 @@ config RISCV_NUMA config IBEX bool +# RISC-V machines in alphabetical order + config MICROCHIP_PFSOC bool select CADENCE_SDHCI @@ -11,7 +13,6 @@ config MICROCHIP_PFSOC select MCHP_PFSOC_IOSCB select MCHP_PFSOC_MMUART select MCHP_PFSOC_SYSREG - select MSI_NONBROKEN select RISCV_ACLINT select SIFIVE_PDMA select SIFIVE_PLIC @@ -20,14 +21,8 @@ config MICROCHIP_PFSOC config OPENTITAN bool select IBEX - select UNIMP - -config SHAKTI_C - bool - select UNIMP - select SHAKTI_UART - select RISCV_ACLINT select SIFIVE_PLIC + select UNIMP config RISCV_VIRT bool @@ -37,7 +32,6 @@ config RISCV_VIRT imply TPM_TIS_SYSBUS select RISCV_NUMA select GOLDFISH_RTC - select MSI_NONBROKEN select PCI select PCI_EXPRESS_GENERIC_BRIDGE select PFLASH_CFI01 @@ -51,9 +45,15 @@ config RISCV_VIRT select FW_CFG_DMA select PLATFORM_BUS +config SHAKTI_C + bool + select RISCV_ACLINT + select SHAKTI_UART + select SIFIVE_PLIC + select UNIMP + config SIFIVE_E bool - select MSI_NONBROKEN select RISCV_ACLINT select SIFIVE_GPIO select SIFIVE_PLIC @@ -64,7 +64,6 @@ config SIFIVE_E config SIFIVE_U bool select CADENCE - select MSI_NONBROKEN select RISCV_ACLINT select SIFIVE_GPIO select SIFIVE_PDMA @@ -82,6 +81,5 @@ config SPIKE bool select RISCV_NUMA select HTIF - select MSI_NONBROKEN select RISCV_ACLINT select SIFIVE_PLIC diff --git a/hw/riscv/microchip_pfsoc.c b/hw/riscv/microchip_pfsoc.c index a821263d4f..b10321b564 100644 --- a/hw/riscv/microchip_pfsoc.c +++ b/hw/riscv/microchip_pfsoc.c @@ -86,58 +86,61 @@ * describes the complete IOSCB modules memory maps */ static const MemMapEntry microchip_pfsoc_memmap[] = { - [MICROCHIP_PFSOC_RSVD0] = { 0x0, 0x100 }, - [MICROCHIP_PFSOC_DEBUG] = { 0x100, 0xf00 }, - [MICROCHIP_PFSOC_E51_DTIM] = { 0x1000000, 0x2000 }, - [MICROCHIP_PFSOC_BUSERR_UNIT0] = { 0x1700000, 0x1000 }, - [MICROCHIP_PFSOC_BUSERR_UNIT1] = { 0x1701000, 0x1000 }, - [MICROCHIP_PFSOC_BUSERR_UNIT2] = { 0x1702000, 0x1000 }, - [MICROCHIP_PFSOC_BUSERR_UNIT3] = { 0x1703000, 0x1000 }, - [MICROCHIP_PFSOC_BUSERR_UNIT4] = { 0x1704000, 0x1000 }, - [MICROCHIP_PFSOC_CLINT] = { 0x2000000, 0x10000 }, - [MICROCHIP_PFSOC_L2CC] = { 0x2010000, 0x1000 }, - [MICROCHIP_PFSOC_DMA] = { 0x3000000, 0x100000 }, - [MICROCHIP_PFSOC_L2LIM] = { 0x8000000, 0x2000000 }, - [MICROCHIP_PFSOC_PLIC] = { 0xc000000, 0x4000000 }, - [MICROCHIP_PFSOC_MMUART0] = { 0x20000000, 0x1000 }, - [MICROCHIP_PFSOC_WDOG0] = { 0x20001000, 0x1000 }, - [MICROCHIP_PFSOC_SYSREG] = { 0x20002000, 0x2000 }, - [MICROCHIP_PFSOC_AXISW] = { 0x20004000, 0x1000 }, - [MICROCHIP_PFSOC_MPUCFG] = { 0x20005000, 0x1000 }, - [MICROCHIP_PFSOC_FMETER] = { 0x20006000, 0x1000 }, - [MICROCHIP_PFSOC_DDR_SGMII_PHY] = { 0x20007000, 0x1000 }, - [MICROCHIP_PFSOC_EMMC_SD] = { 0x20008000, 0x1000 }, - [MICROCHIP_PFSOC_DDR_CFG] = { 0x20080000, 0x40000 }, - [MICROCHIP_PFSOC_MMUART1] = { 0x20100000, 0x1000 }, - [MICROCHIP_PFSOC_MMUART2] = { 0x20102000, 0x1000 }, - [MICROCHIP_PFSOC_MMUART3] = { 0x20104000, 0x1000 }, - [MICROCHIP_PFSOC_MMUART4] = { 0x20106000, 0x1000 }, - [MICROCHIP_PFSOC_WDOG1] = { 0x20101000, 0x1000 }, - [MICROCHIP_PFSOC_WDOG2] = { 0x20103000, 0x1000 }, - [MICROCHIP_PFSOC_WDOG3] = { 0x20105000, 0x1000 }, - [MICROCHIP_PFSOC_WDOG4] = { 0x20106000, 0x1000 }, - [MICROCHIP_PFSOC_SPI0] = { 0x20108000, 0x1000 }, - [MICROCHIP_PFSOC_SPI1] = { 0x20109000, 0x1000 }, - [MICROCHIP_PFSOC_I2C0] = { 0x2010a000, 0x1000 }, - [MICROCHIP_PFSOC_I2C1] = { 0x2010b000, 0x1000 }, - [MICROCHIP_PFSOC_CAN0] = { 0x2010c000, 0x1000 }, - [MICROCHIP_PFSOC_CAN1] = { 0x2010d000, 0x1000 }, - [MICROCHIP_PFSOC_GEM0] = { 0x20110000, 0x2000 }, - [MICROCHIP_PFSOC_GEM1] = { 0x20112000, 0x2000 }, - [MICROCHIP_PFSOC_GPIO0] = { 0x20120000, 0x1000 }, - [MICROCHIP_PFSOC_GPIO1] = { 0x20121000, 0x1000 }, - [MICROCHIP_PFSOC_GPIO2] = { 0x20122000, 0x1000 }, - [MICROCHIP_PFSOC_RTC] = { 0x20124000, 0x1000 }, - [MICROCHIP_PFSOC_ENVM_CFG] = { 0x20200000, 0x1000 }, - [MICROCHIP_PFSOC_ENVM_DATA] = { 0x20220000, 0x20000 }, - [MICROCHIP_PFSOC_USB] = { 0x20201000, 0x1000 }, - [MICROCHIP_PFSOC_QSPI_XIP] = { 0x21000000, 0x1000000 }, - [MICROCHIP_PFSOC_IOSCB] = { 0x30000000, 0x10000000 }, - [MICROCHIP_PFSOC_FABRIC_FIC3] = { 0x40000000, 0x20000000 }, - [MICROCHIP_PFSOC_DRAM_LO] = { 0x80000000, 0x40000000 }, - [MICROCHIP_PFSOC_DRAM_LO_ALIAS] = { 0xc0000000, 0x40000000 }, - [MICROCHIP_PFSOC_DRAM_HI] = { 0x1000000000, 0x0 }, - [MICROCHIP_PFSOC_DRAM_HI_ALIAS] = { 0x1400000000, 0x0 }, + [MICROCHIP_PFSOC_RSVD0] = { 0x0, 0x100 }, + [MICROCHIP_PFSOC_DEBUG] = { 0x100, 0xf00 }, + [MICROCHIP_PFSOC_E51_DTIM] = { 0x1000000, 0x2000 }, + [MICROCHIP_PFSOC_BUSERR_UNIT0] = { 0x1700000, 0x1000 }, + [MICROCHIP_PFSOC_BUSERR_UNIT1] = { 0x1701000, 0x1000 }, + [MICROCHIP_PFSOC_BUSERR_UNIT2] = { 0x1702000, 0x1000 }, + [MICROCHIP_PFSOC_BUSERR_UNIT3] = { 0x1703000, 0x1000 }, + [MICROCHIP_PFSOC_BUSERR_UNIT4] = { 0x1704000, 0x1000 }, + [MICROCHIP_PFSOC_CLINT] = { 0x2000000, 0x10000 }, + [MICROCHIP_PFSOC_L2CC] = { 0x2010000, 0x1000 }, + [MICROCHIP_PFSOC_DMA] = { 0x3000000, 0x100000 }, + [MICROCHIP_PFSOC_L2LIM] = { 0x8000000, 0x2000000 }, + [MICROCHIP_PFSOC_PLIC] = { 0xc000000, 0x4000000 }, + [MICROCHIP_PFSOC_MMUART0] = { 0x20000000, 0x1000 }, + [MICROCHIP_PFSOC_WDOG0] = { 0x20001000, 0x1000 }, + [MICROCHIP_PFSOC_SYSREG] = { 0x20002000, 0x2000 }, + [MICROCHIP_PFSOC_AXISW] = { 0x20004000, 0x1000 }, + [MICROCHIP_PFSOC_MPUCFG] = { 0x20005000, 0x1000 }, + [MICROCHIP_PFSOC_FMETER] = { 0x20006000, 0x1000 }, + [MICROCHIP_PFSOC_DDR_SGMII_PHY] = { 0x20007000, 0x1000 }, + [MICROCHIP_PFSOC_EMMC_SD] = { 0x20008000, 0x1000 }, + [MICROCHIP_PFSOC_DDR_CFG] = { 0x20080000, 0x40000 }, + [MICROCHIP_PFSOC_MMUART1] = { 0x20100000, 0x1000 }, + [MICROCHIP_PFSOC_MMUART2] = { 0x20102000, 0x1000 }, + [MICROCHIP_PFSOC_MMUART3] = { 0x20104000, 0x1000 }, + [MICROCHIP_PFSOC_MMUART4] = { 0x20106000, 0x1000 }, + [MICROCHIP_PFSOC_WDOG1] = { 0x20101000, 0x1000 }, + [MICROCHIP_PFSOC_WDOG2] = { 0x20103000, 0x1000 }, + [MICROCHIP_PFSOC_WDOG3] = { 0x20105000, 0x1000 }, + [MICROCHIP_PFSOC_WDOG4] = { 0x20106000, 0x1000 }, + [MICROCHIP_PFSOC_SPI0] = { 0x20108000, 0x1000 }, + [MICROCHIP_PFSOC_SPI1] = { 0x20109000, 0x1000 }, + [MICROCHIP_PFSOC_I2C0] = { 0x2010a000, 0x1000 }, + [MICROCHIP_PFSOC_I2C1] = { 0x2010b000, 0x1000 }, + [MICROCHIP_PFSOC_CAN0] = { 0x2010c000, 0x1000 }, + [MICROCHIP_PFSOC_CAN1] = { 0x2010d000, 0x1000 }, + [MICROCHIP_PFSOC_GEM0] = { 0x20110000, 0x2000 }, + [MICROCHIP_PFSOC_GEM1] = { 0x20112000, 0x2000 }, + [MICROCHIP_PFSOC_GPIO0] = { 0x20120000, 0x1000 }, + [MICROCHIP_PFSOC_GPIO1] = { 0x20121000, 0x1000 }, + [MICROCHIP_PFSOC_GPIO2] = { 0x20122000, 0x1000 }, + [MICROCHIP_PFSOC_RTC] = { 0x20124000, 0x1000 }, + [MICROCHIP_PFSOC_ENVM_CFG] = { 0x20200000, 0x1000 }, + [MICROCHIP_PFSOC_ENVM_DATA] = { 0x20220000, 0x20000 }, + [MICROCHIP_PFSOC_USB] = { 0x20201000, 0x1000 }, + [MICROCHIP_PFSOC_QSPI_XIP] = { 0x21000000, 0x1000000 }, + [MICROCHIP_PFSOC_IOSCB] = { 0x30000000, 0x10000000 }, + [MICROCHIP_PFSOC_FABRIC_FIC0] = { 0x2000000000, 0x1000000000 }, + [MICROCHIP_PFSOC_FABRIC_FIC1] = { 0x3000000000, 0x1000000000 }, + [MICROCHIP_PFSOC_FABRIC_FIC3] = { 0x40000000, 0x20000000 }, + [MICROCHIP_PFSOC_DRAM_LO] = { 0x80000000, 0x40000000 }, + [MICROCHIP_PFSOC_DRAM_LO_ALIAS] = { 0xc0000000, 0x40000000 }, + [MICROCHIP_PFSOC_DRAM_HI] = { 0x1000000000, 0x0 }, + [MICROCHIP_PFSOC_DRAM_HI_ALIAS] = { 0x1400000000, 0x0 }, + }; static void microchip_pfsoc_soc_instance_init(Object *obj) @@ -303,6 +306,9 @@ static void microchip_pfsoc_soc_realize(DeviceState *dev, Error **errp) sysbus_realize(SYS_BUS_DEVICE(&s->sysreg), errp); sysbus_mmio_map(SYS_BUS_DEVICE(&s->sysreg), 0, memmap[MICROCHIP_PFSOC_SYSREG].base); + sysbus_connect_irq(SYS_BUS_DEVICE(&s->sysreg), 0, + qdev_get_gpio_in(DEVICE(s->plic), + MICROCHIP_PFSOC_MAILBOX_IRQ)); /* AXISW */ create_unimplemented_device("microchip.pfsoc.axisw", @@ -456,11 +462,22 @@ static void microchip_pfsoc_soc_realize(DeviceState *dev, Error **errp) sysbus_realize(SYS_BUS_DEVICE(&s->ioscb), errp); sysbus_mmio_map(SYS_BUS_DEVICE(&s->ioscb), 0, memmap[MICROCHIP_PFSOC_IOSCB].base); + sysbus_connect_irq(SYS_BUS_DEVICE(&s->ioscb), 0, + qdev_get_gpio_in(DEVICE(s->plic), + MICROCHIP_PFSOC_MAILBOX_IRQ)); /* FPGA Fabric */ create_unimplemented_device("microchip.pfsoc.fabricfic3", memmap[MICROCHIP_PFSOC_FABRIC_FIC3].base, memmap[MICROCHIP_PFSOC_FABRIC_FIC3].size); + /* FPGA Fabric */ + create_unimplemented_device("microchip.pfsoc.fabricfic0", + memmap[MICROCHIP_PFSOC_FABRIC_FIC0].base, + memmap[MICROCHIP_PFSOC_FABRIC_FIC0].size); + /* FPGA Fabric */ + create_unimplemented_device("microchip.pfsoc.fabricfic1", + memmap[MICROCHIP_PFSOC_FABRIC_FIC1].base, + memmap[MICROCHIP_PFSOC_FABRIC_FIC1].size); /* QSPI Flash */ memory_region_init_rom(qspi_xip_mem, OBJECT(dev), diff --git a/hw/riscv/opentitan.c b/hw/riscv/opentitan.c index be7ff1eea0..85ffdac5be 100644 --- a/hw/riscv/opentitan.c +++ b/hw/riscv/opentitan.c @@ -28,8 +28,16 @@ #include "qemu/units.h" #include "sysemu/sysemu.h" +/* + * This version of the OpenTitan machine currently supports + * OpenTitan RTL version: + * <lowRISC/opentitan@d072ac505f82152678d6e04be95c72b728a347b8> + * + * MMIO mapping as per (specified commit): + * lowRISC/opentitan: hw/top_earlgrey/sw/autogen/top_earlgrey_memory.h + */ static const MemMapEntry ibex_memmap[] = { - [IBEX_DEV_ROM] = { 0x00008000, 0x8000 }, + [IBEX_DEV_ROM] = { 0x00008000, 0x8000 }, [IBEX_DEV_RAM] = { 0x10000000, 0x20000 }, [IBEX_DEV_FLASH] = { 0x20000000, 0x100000 }, [IBEX_DEV_UART] = { 0x40000000, 0x1000 }, @@ -38,17 +46,18 @@ static const MemMapEntry ibex_memmap[] = { [IBEX_DEV_I2C] = { 0x40080000, 0x1000 }, [IBEX_DEV_PATTGEN] = { 0x400e0000, 0x1000 }, [IBEX_DEV_TIMER] = { 0x40100000, 0x1000 }, - [IBEX_DEV_SENSOR_CTRL] = { 0x40110000, 0x1000 }, [IBEX_DEV_OTP_CTRL] = { 0x40130000, 0x4000 }, [IBEX_DEV_LC_CTRL] = { 0x40140000, 0x1000 }, - [IBEX_DEV_USBDEV] = { 0x40150000, 0x1000 }, + [IBEX_DEV_ALERT_HANDLER] = { 0x40150000, 0x1000 }, [IBEX_DEV_SPI_HOST0] = { 0x40300000, 0x1000 }, [IBEX_DEV_SPI_HOST1] = { 0x40310000, 0x1000 }, + [IBEX_DEV_USBDEV] = { 0x40320000, 0x1000 }, [IBEX_DEV_PWRMGR] = { 0x40400000, 0x1000 }, [IBEX_DEV_RSTMGR] = { 0x40410000, 0x1000 }, [IBEX_DEV_CLKMGR] = { 0x40420000, 0x1000 }, [IBEX_DEV_PINMUX] = { 0x40460000, 0x1000 }, - [IBEX_DEV_PADCTRL] = { 0x40470000, 0x1000 }, + [IBEX_DEV_AON_TIMER] = { 0x40470000, 0x1000 }, + [IBEX_DEV_SENSOR_CTRL] = { 0x40490000, 0x1000 }, [IBEX_DEV_FLASH_CTRL] = { 0x41000000, 0x1000 }, [IBEX_DEV_AES] = { 0x41100000, 0x1000 }, [IBEX_DEV_HMAC] = { 0x41110000, 0x1000 }, @@ -59,10 +68,9 @@ static const MemMapEntry ibex_memmap[] = { [IBEX_DEV_ENTROPY] = { 0x41160000, 0x1000 }, [IBEX_DEV_EDNO] = { 0x41170000, 0x1000 }, [IBEX_DEV_EDN1] = { 0x41180000, 0x1000 }, - [IBEX_DEV_ALERT_HANDLER] = { 0x411b0000, 0x1000 }, [IBEX_DEV_NMI_GEN] = { 0x411c0000, 0x1000 }, [IBEX_DEV_PERI] = { 0x411f0000, 0x10000 }, - [IBEX_DEV_PLIC] = { 0x48000000, 0x4005000 }, + [IBEX_DEV_PLIC] = { 0x48000000, 0x4005000 }, [IBEX_DEV_FLASH_VIRTUAL] = { 0x80000000, 0x80000 }, }; @@ -165,10 +173,8 @@ static void lowrisc_ibex_soc_realize(DeviceState *dev_soc, Error **errp) /* PLIC */ qdev_prop_set_string(DEVICE(&s->plic), "hart-config", "M"); - qdev_prop_set_uint32(DEVICE(&s->plic), "hartid-base", 0); qdev_prop_set_uint32(DEVICE(&s->plic), "num-sources", 180); qdev_prop_set_uint32(DEVICE(&s->plic), "num-priorities", 3); - qdev_prop_set_uint32(DEVICE(&s->plic), "priority-base", 0x00); qdev_prop_set_uint32(DEVICE(&s->plic), "pending-base", 0x1000); qdev_prop_set_uint32(DEVICE(&s->plic), "enable-base", 0x2000); qdev_prop_set_uint32(DEVICE(&s->plic), "enable-stride", 32); @@ -265,8 +271,8 @@ static void lowrisc_ibex_soc_realize(DeviceState *dev_soc, Error **errp) memmap[IBEX_DEV_CLKMGR].base, memmap[IBEX_DEV_CLKMGR].size); create_unimplemented_device("riscv.lowrisc.ibex.pinmux", memmap[IBEX_DEV_PINMUX].base, memmap[IBEX_DEV_PINMUX].size); - create_unimplemented_device("riscv.lowrisc.ibex.padctrl", - memmap[IBEX_DEV_PADCTRL].base, memmap[IBEX_DEV_PADCTRL].size); + create_unimplemented_device("riscv.lowrisc.ibex.aon_timer", + memmap[IBEX_DEV_AON_TIMER].base, memmap[IBEX_DEV_AON_TIMER].size); create_unimplemented_device("riscv.lowrisc.ibex.usbdev", memmap[IBEX_DEV_USBDEV].base, memmap[IBEX_DEV_USBDEV].size); create_unimplemented_device("riscv.lowrisc.ibex.flash_ctrl", diff --git a/hw/riscv/sifive_u.c b/hw/riscv/sifive_u.c index b139824aab..b40a4767e2 100644 --- a/hw/riscv/sifive_u.c +++ b/hw/riscv/sifive_u.c @@ -287,7 +287,8 @@ static void create_fdt(SiFiveUState *s, const MemMapEntry *memmap, qemu_fdt_setprop_cells(fdt, nodename, "reg", 0x0, memmap[SIFIVE_U_DEV_PLIC].base, 0x0, memmap[SIFIVE_U_DEV_PLIC].size); - qemu_fdt_setprop_cell(fdt, nodename, "riscv,ndev", 0x35); + qemu_fdt_setprop_cell(fdt, nodename, "riscv,ndev", + SIFIVE_U_PLIC_NUM_SOURCES - 1); qemu_fdt_setprop_cell(fdt, nodename, "phandle", plic_phandle); plic_phandle = qemu_fdt_get_phandle(fdt, nodename); g_free(cells); diff --git a/hw/riscv/spike.c b/hw/riscv/spike.c index 1e1d752c00..13946acf0d 100644 --- a/hw/riscv/spike.c +++ b/hw/riscv/spike.c @@ -8,7 +8,6 @@ * * 0) HTIF Console and Poweroff * 1) CLINT (Timer and IPI) - * 2) PLIC (Platform Level Interrupt Controller) * * This program is free software; you can redistribute it and/or modify it * under the terms and conditions of the GNU General Public License, diff --git a/hw/riscv/virt.c b/hw/riscv/virt.c index a5bc7353b4..94ff2a1584 100644 --- a/hw/riscv/virt.c +++ b/hw/riscv/virt.c @@ -468,7 +468,8 @@ static void create_fdt_socket_plic(RISCVVirtState *s, plic_cells, s->soc[socket].num_harts * sizeof(uint32_t) * 4); qemu_fdt_setprop_cells(mc->fdt, plic_name, "reg", 0x0, plic_addr, 0x0, memmap[VIRT_PLIC].size); - qemu_fdt_setprop_cell(mc->fdt, plic_name, "riscv,ndev", VIRTIO_NDEV); + qemu_fdt_setprop_cell(mc->fdt, plic_name, "riscv,ndev", + VIRT_IRQCHIP_NUM_SOURCES - 1); riscv_socket_fdt_write_id(mc, mc->fdt, plic_name, socket); qemu_fdt_setprop_cell(mc->fdt, plic_name, "phandle", plic_phandles[socket]); @@ -546,8 +547,6 @@ static void create_fdt_imsic(RISCVVirtState *s, const MemMapEntry *memmap, riscv_socket_count(mc) * sizeof(uint32_t) * 4); qemu_fdt_setprop_cell(mc->fdt, imsic_name, "riscv,num-ids", VIRT_IRQCHIP_NUM_MSIS); - qemu_fdt_setprop_cells(mc->fdt, imsic_name, "riscv,ipi-id", - VIRT_IRQCHIP_IPI_MSI); if (riscv_socket_count(mc) > 1) { qemu_fdt_setprop_cell(mc->fdt, imsic_name, "riscv,hart-index-bits", imsic_num_bits(imsic_max_hart_per_socket)); @@ -597,8 +596,6 @@ static void create_fdt_imsic(RISCVVirtState *s, const MemMapEntry *memmap, riscv_socket_count(mc) * sizeof(uint32_t) * 4); qemu_fdt_setprop_cell(mc->fdt, imsic_name, "riscv,num-ids", VIRT_IRQCHIP_NUM_MSIS); - qemu_fdt_setprop_cells(mc->fdt, imsic_name, "riscv,ipi-id", - VIRT_IRQCHIP_IPI_MSI); if (imsic_guest_bits) { qemu_fdt_setprop_cell(mc->fdt, imsic_name, "riscv,guest-index-bits", imsic_guest_bits); diff --git a/include/hw/intc/loongarch_pch_msi.h b/include/hw/intc/loongarch_pch_msi.h index 6d67560dea..832e69fa32 100644 --- a/include/hw/intc/loongarch_pch_msi.h +++ b/include/hw/intc/loongarch_pch_msi.h @@ -8,15 +8,16 @@ #define TYPE_LOONGARCH_PCH_MSI "loongarch_pch_msi" OBJECT_DECLARE_SIMPLE_TYPE(LoongArchPCHMSI, LOONGARCH_PCH_MSI) -/* Msi irq start start from 64 to 255 */ -#define PCH_MSI_IRQ_START 64 +/* MSI irq start from 32 to 255 */ +#define PCH_MSI_IRQ_START 32 #define PCH_MSI_IRQ_END 255 -#define PCH_MSI_IRQ_NUM 192 +#define PCH_MSI_IRQ_NUM 224 struct LoongArchPCHMSI { SysBusDevice parent_obj; - qemu_irq pch_msi_irq[PCH_MSI_IRQ_NUM]; + qemu_irq *pch_msi_irq; MemoryRegion msi_mmio; /* irq base passed to upper extioi intc */ unsigned int irq_base; + unsigned int irq_num; }; diff --git a/include/hw/intc/loongarch_pch_pic.h b/include/hw/intc/loongarch_pch_pic.h index 2d4aa9ed6f..258e3b3294 100644 --- a/include/hw/intc/loongarch_pch_pic.h +++ b/include/hw/intc/loongarch_pch_pic.h @@ -9,11 +9,8 @@ #define PCH_PIC_NAME(name) TYPE_LOONGARCH_PCH_PIC#name OBJECT_DECLARE_SIMPLE_TYPE(LoongArchPCHPIC, LOONGARCH_PCH_PIC) -#define PCH_PIC_IRQ_START 0 -#define PCH_PIC_IRQ_END 63 -#define PCH_PIC_IRQ_NUM 64 #define PCH_PIC_INT_ID_VAL 0x7000000UL -#define PCH_PIC_INT_ID_NUM 0x3f0001UL +#define PCH_PIC_INT_ID_VER 0x1UL #define PCH_PIC_INT_ID_LO 0x00 #define PCH_PIC_INT_ID_HI 0x04 @@ -66,4 +63,5 @@ struct LoongArchPCHPIC { MemoryRegion iomem32_low; MemoryRegion iomem32_high; MemoryRegion iomem8; + unsigned int irq_num; }; diff --git a/include/hw/intc/sifive_plic.h b/include/hw/intc/sifive_plic.h index 134cf39a96..d3f45ec248 100644 --- a/include/hw/intc/sifive_plic.h +++ b/include/hw/intc/sifive_plic.h @@ -33,7 +33,6 @@ DECLARE_INSTANCE_CHECKER(SiFivePLICState, SIFIVE_PLIC, typedef enum PLICMode { PLICMode_U, PLICMode_S, - PLICMode_H, PLICMode_M } PLICMode; diff --git a/include/hw/misc/mchp_pfsoc_ioscb.h b/include/hw/misc/mchp_pfsoc_ioscb.h index 9235523e33..a1104862c8 100644 --- a/include/hw/misc/mchp_pfsoc_ioscb.h +++ b/include/hw/misc/mchp_pfsoc_ioscb.h @@ -29,7 +29,10 @@ typedef struct MchpPfSoCIoscbState { MemoryRegion lane01; MemoryRegion lane23; MemoryRegion ctrl; + MemoryRegion qspixip; + MemoryRegion mailbox; MemoryRegion cfg; + MemoryRegion ccc; MemoryRegion pll_mss; MemoryRegion cfm_mss; MemoryRegion pll_ddr; @@ -40,6 +43,7 @@ typedef struct MchpPfSoCIoscbState { MemoryRegion cfm_sgmii; MemoryRegion bc_sgmii; MemoryRegion io_calib_sgmii; + qemu_irq irq; } MchpPfSoCIoscbState; #define TYPE_MCHP_PFSOC_IOSCB "mchp.pfsoc.ioscb" diff --git a/include/hw/misc/mchp_pfsoc_sysreg.h b/include/hw/misc/mchp_pfsoc_sysreg.h index 546ba68f6a..3cebe40ea9 100644 --- a/include/hw/misc/mchp_pfsoc_sysreg.h +++ b/include/hw/misc/mchp_pfsoc_sysreg.h @@ -28,6 +28,7 @@ typedef struct MchpPfSoCSysregState { SysBusDevice parent; MemoryRegion sysreg; + qemu_irq irq; } MchpPfSoCSysregState; #define TYPE_MCHP_PFSOC_SYSREG "mchp.pfsoc.sysreg" diff --git a/include/hw/pci-host/ls7a.h b/include/hw/pci-host/ls7a.h index df7fa55a30..8061c4bbbf 100644 --- a/include/hw/pci-host/ls7a.h +++ b/include/hw/pci-host/ls7a.h @@ -32,9 +32,9 @@ * 0 ~ 16 irqs used for non-pci device while 16 ~ 64 irqs * used for pci device. */ +#define VIRT_PCH_PIC_IRQ_NUM 32 #define PCH_PIC_IRQ_OFFSET 64 #define VIRT_DEVICE_IRQS 16 -#define VIRT_PCI_IRQS 48 #define VIRT_UART_IRQ (PCH_PIC_IRQ_OFFSET + 2) #define VIRT_UART_BASE 0x1fe001e0 #define VIRT_UART_SIZE 0X100 diff --git a/include/hw/riscv/microchip_pfsoc.h b/include/hw/riscv/microchip_pfsoc.h index a757b240e0..e65ffeb02d 100644 --- a/include/hw/riscv/microchip_pfsoc.h +++ b/include/hw/riscv/microchip_pfsoc.h @@ -121,6 +121,8 @@ enum { MICROCHIP_PFSOC_USB, MICROCHIP_PFSOC_QSPI_XIP, MICROCHIP_PFSOC_IOSCB, + MICROCHIP_PFSOC_FABRIC_FIC0, + MICROCHIP_PFSOC_FABRIC_FIC1, MICROCHIP_PFSOC_FABRIC_FIC3, MICROCHIP_PFSOC_DRAM_LO, MICROCHIP_PFSOC_DRAM_LO_ALIAS, @@ -145,14 +147,15 @@ enum { MICROCHIP_PFSOC_MMUART2_IRQ = 92, MICROCHIP_PFSOC_MMUART3_IRQ = 93, MICROCHIP_PFSOC_MMUART4_IRQ = 94, + MICROCHIP_PFSOC_MAILBOX_IRQ = 96, }; #define MICROCHIP_PFSOC_MANAGEMENT_CPU_COUNT 1 #define MICROCHIP_PFSOC_COMPUTE_CPU_COUNT 4 -#define MICROCHIP_PFSOC_PLIC_NUM_SOURCES 185 +#define MICROCHIP_PFSOC_PLIC_NUM_SOURCES 187 #define MICROCHIP_PFSOC_PLIC_NUM_PRIORITIES 7 -#define MICROCHIP_PFSOC_PLIC_PRIORITY_BASE 0x04 +#define MICROCHIP_PFSOC_PLIC_PRIORITY_BASE 0x00 #define MICROCHIP_PFSOC_PLIC_PENDING_BASE 0x1000 #define MICROCHIP_PFSOC_PLIC_ENABLE_BASE 0x2000 #define MICROCHIP_PFSOC_PLIC_ENABLE_STRIDE 0x80 diff --git a/include/hw/riscv/opentitan.h b/include/hw/riscv/opentitan.h index 6665cd5794..7659d1bc5b 100644 --- a/include/hw/riscv/opentitan.h +++ b/include/hw/riscv/opentitan.h @@ -81,7 +81,7 @@ enum { IBEX_DEV_RSTMGR, IBEX_DEV_CLKMGR, IBEX_DEV_PINMUX, - IBEX_DEV_PADCTRL, + IBEX_DEV_AON_TIMER, IBEX_DEV_USBDEV, IBEX_DEV_FLASH_CTRL, IBEX_DEV_PLIC, @@ -109,10 +109,10 @@ enum { IBEX_UART0_RX_TIMEOUT_IRQ = 7, IBEX_UART0_RX_PARITY_ERR_IRQ = 8, IBEX_TIMER_TIMEREXPIRED0_0 = 127, - IBEX_SPI_HOST0_ERR_IRQ = 151, - IBEX_SPI_HOST0_SPI_EVENT_IRQ = 152, - IBEX_SPI_HOST1_ERR_IRQ = 153, - IBEX_SPI_HOST1_SPI_EVENT_IRQ = 154, + IBEX_SPI_HOST0_ERR_IRQ = 134, + IBEX_SPI_HOST0_SPI_EVENT_IRQ = 135, + IBEX_SPI_HOST1_ERR_IRQ = 136, + IBEX_SPI_HOST1_SPI_EVENT_IRQ = 137, }; #endif diff --git a/include/hw/riscv/shakti_c.h b/include/hw/riscv/shakti_c.h index daf0aae13f..539fe1156d 100644 --- a/include/hw/riscv/shakti_c.h +++ b/include/hw/riscv/shakti_c.h @@ -65,7 +65,7 @@ enum { #define SHAKTI_C_PLIC_NUM_SOURCES 28 /* Excluding Priority 0 */ #define SHAKTI_C_PLIC_NUM_PRIORITIES 2 -#define SHAKTI_C_PLIC_PRIORITY_BASE 0x04 +#define SHAKTI_C_PLIC_PRIORITY_BASE 0x00 #define SHAKTI_C_PLIC_PENDING_BASE 0x1000 #define SHAKTI_C_PLIC_ENABLE_BASE 0x2000 #define SHAKTI_C_PLIC_ENABLE_STRIDE 0x80 diff --git a/include/hw/riscv/sifive_e.h b/include/hw/riscv/sifive_e.h index d738745925..b824a79e2d 100644 --- a/include/hw/riscv/sifive_e.h +++ b/include/hw/riscv/sifive_e.h @@ -82,9 +82,14 @@ enum { }; #define SIFIVE_E_PLIC_HART_CONFIG "M" -#define SIFIVE_E_PLIC_NUM_SOURCES 127 +/* + * Freedom E310 G002 and G003 supports 52 interrupt sources while + * Freedom E310 G000 supports 51 interrupt sources. We use the value + * of G002 and G003, so it is 53 (including interrupt source 0). + */ +#define SIFIVE_E_PLIC_NUM_SOURCES 53 #define SIFIVE_E_PLIC_NUM_PRIORITIES 7 -#define SIFIVE_E_PLIC_PRIORITY_BASE 0x04 +#define SIFIVE_E_PLIC_PRIORITY_BASE 0x00 #define SIFIVE_E_PLIC_PENDING_BASE 0x1000 #define SIFIVE_E_PLIC_ENABLE_BASE 0x2000 #define SIFIVE_E_PLIC_ENABLE_STRIDE 0x80 diff --git a/include/hw/riscv/sifive_u.h b/include/hw/riscv/sifive_u.h index 8f63a183c4..e680d61ece 100644 --- a/include/hw/riscv/sifive_u.h +++ b/include/hw/riscv/sifive_u.h @@ -158,7 +158,7 @@ enum { #define SIFIVE_U_PLIC_NUM_SOURCES 54 #define SIFIVE_U_PLIC_NUM_PRIORITIES 7 -#define SIFIVE_U_PLIC_PRIORITY_BASE 0x04 +#define SIFIVE_U_PLIC_PRIORITY_BASE 0x00 #define SIFIVE_U_PLIC_PENDING_BASE 0x1000 #define SIFIVE_U_PLIC_ENABLE_BASE 0x2000 #define SIFIVE_U_PLIC_ENABLE_STRIDE 0x80 diff --git a/include/hw/riscv/virt.h b/include/hw/riscv/virt.h index be4ab8fe7f..3407c9e8dd 100644 --- a/include/hw/riscv/virt.h +++ b/include/hw/riscv/virt.h @@ -87,20 +87,18 @@ enum { VIRTIO_IRQ = 1, /* 1 to 8 */ VIRTIO_COUNT = 8, PCIE_IRQ = 0x20, /* 32 to 35 */ - VIRT_PLATFORM_BUS_IRQ = 64, /* 64 to 96 */ - VIRTIO_NDEV = 96 /* Arbitrary maximum number of interrupts */ + VIRT_PLATFORM_BUS_IRQ = 64, /* 64 to 95 */ }; #define VIRT_PLATFORM_BUS_NUM_IRQS 32 -#define VIRT_IRQCHIP_IPI_MSI 1 #define VIRT_IRQCHIP_NUM_MSIS 255 -#define VIRT_IRQCHIP_NUM_SOURCES VIRTIO_NDEV +#define VIRT_IRQCHIP_NUM_SOURCES 96 #define VIRT_IRQCHIP_NUM_PRIO_BITS 3 #define VIRT_IRQCHIP_MAX_GUESTS_BITS 3 #define VIRT_IRQCHIP_MAX_GUESTS ((1U << VIRT_IRQCHIP_MAX_GUESTS_BITS) - 1U) -#define VIRT_PLIC_PRIORITY_BASE 0x04 +#define VIRT_PLIC_PRIORITY_BASE 0x00 #define VIRT_PLIC_PENDING_BASE 0x1000 #define VIRT_PLIC_ENABLE_BASE 0x2000 #define VIRT_PLIC_ENABLE_STRIDE 0x80 diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c index 6fe176e483..cc75ca7667 100644 --- a/target/riscv/cpu.c +++ b/target/riscv/cpu.c @@ -76,6 +76,7 @@ static const struct isa_ext_data isa_edata_arr[] = { ISA_EXT_DATA_ENTRY(zicsr, true, PRIV_VERSION_1_10_0, ext_icsr), ISA_EXT_DATA_ENTRY(zifencei, true, PRIV_VERSION_1_10_0, ext_ifencei), ISA_EXT_DATA_ENTRY(zihintpause, true, PRIV_VERSION_1_10_0, ext_zihintpause), + ISA_EXT_DATA_ENTRY(zawrs, true, PRIV_VERSION_1_12_0, ext_zawrs), ISA_EXT_DATA_ENTRY(zfh, true, PRIV_VERSION_1_12_0, ext_zfh), ISA_EXT_DATA_ENTRY(zfhmin, true, PRIV_VERSION_1_12_0, ext_zfhmin), ISA_EXT_DATA_ENTRY(zfinx, true, PRIV_VERSION_1_12_0, ext_zfinx), @@ -382,6 +383,10 @@ static void riscv_cpu_dump_state(CPUState *cs, FILE *f, int flags) CSR_MHARTID, CSR_MSTATUS, CSR_MSTATUSH, + /* + * CSR_SSTATUS is intentionally omitted here as its value + * can be figured out by looking at CSR_MSTATUS + */ CSR_HSTATUS, CSR_VSSTATUS, CSR_MIP, @@ -762,6 +767,11 @@ static void riscv_cpu_realize(DeviceState *dev, Error **errp) return; } + if ((cpu->cfg.ext_zawrs) && !cpu->cfg.ext_a) { + error_setg(errp, "Zawrs extension requires A extension"); + return; + } + if ((cpu->cfg.ext_zfh || cpu->cfg.ext_zfhmin) && !cpu->cfg.ext_f) { error_setg(errp, "Zfh/Zfhmin extensions require F extension"); return; @@ -1017,6 +1027,7 @@ static Property riscv_cpu_extensions[] = { DEFINE_PROP_BOOL("Zifencei", RISCVCPU, cfg.ext_ifencei, true), DEFINE_PROP_BOOL("Zicsr", RISCVCPU, cfg.ext_icsr, true), DEFINE_PROP_BOOL("Zihintpause", RISCVCPU, cfg.ext_zihintpause, true), + DEFINE_PROP_BOOL("Zawrs", RISCVCPU, cfg.ext_zawrs, true), DEFINE_PROP_BOOL("Zfh", RISCVCPU, cfg.ext_zfh, false), DEFINE_PROP_BOOL("Zfhmin", RISCVCPU, cfg.ext_zfhmin, false), DEFINE_PROP_BOOL("Zve32f", RISCVCPU, cfg.ext_zve32f, false), diff --git a/target/riscv/cpu.h b/target/riscv/cpu.h index 443d15a47c..f5609b62a2 100644 --- a/target/riscv/cpu.h +++ b/target/riscv/cpu.h @@ -329,6 +329,9 @@ struct CPUArchState { target_ulong tdata3[RV_MAX_TRIGGERS]; struct CPUBreakpoint *cpu_breakpoint[RV_MAX_TRIGGERS]; struct CPUWatchpoint *cpu_watchpoint[RV_MAX_TRIGGERS]; + QEMUTimer *itrigger_timer[RV_MAX_TRIGGERS]; + int64_t last_icount; + bool itrigger_enabled; /* machine specific rdtime callback */ uint64_t (*rdtime_fn)(void *); @@ -366,6 +369,9 @@ struct CPUArchState { /* CSRs for execution enviornment configuration */ uint64_t menvcfg; + uint64_t mstateen[SMSTATEEN_MAX_COUNT]; + uint64_t hstateen[SMSTATEEN_MAX_COUNT]; + uint64_t sstateen[SMSTATEEN_MAX_COUNT]; target_ulong senvcfg; uint64_t henvcfg; #endif @@ -441,11 +447,13 @@ struct RISCVCPUConfig { bool ext_ifencei; bool ext_icsr; bool ext_zihintpause; + bool ext_smstateen; bool ext_sstc; bool ext_svinval; bool ext_svnapot; bool ext_svpbmt; bool ext_zdinx; + bool ext_zawrs; bool ext_zfh; bool ext_zfhmin; bool ext_zfinx; @@ -621,6 +629,8 @@ FIELD(TB_FLAGS, PM_MASK_ENABLED, 22, 1) FIELD(TB_FLAGS, PM_BASE_ENABLED, 23, 1) FIELD(TB_FLAGS, VTA, 24, 1) FIELD(TB_FLAGS, VMA, 25, 1) +/* Native debug itrigger */ +FIELD(TB_FLAGS, ITRIGGER, 26, 1) #ifdef TARGET_RISCV32 #define riscv_cpu_mxl(env) ((void)(env), MXL_RV32) diff --git a/target/riscv/cpu_bits.h b/target/riscv/cpu_bits.h index d8f5f0abed..8b0d7e20ea 100644 --- a/target/riscv/cpu_bits.h +++ b/target/riscv/cpu_bits.h @@ -197,6 +197,12 @@ /* Supervisor Configuration CSRs */ #define CSR_SENVCFG 0x10A +/* Supervisor state CSRs */ +#define CSR_SSTATEEN0 0x10C +#define CSR_SSTATEEN1 0x10D +#define CSR_SSTATEEN2 0x10E +#define CSR_SSTATEEN3 0x10F + /* Supervisor Trap Handling */ #define CSR_SSCRATCH 0x140 #define CSR_SEPC 0x141 @@ -244,6 +250,16 @@ #define CSR_HENVCFG 0x60A #define CSR_HENVCFGH 0x61A +/* Hypervisor state CSRs */ +#define CSR_HSTATEEN0 0x60C +#define CSR_HSTATEEN0H 0x61C +#define CSR_HSTATEEN1 0x60D +#define CSR_HSTATEEN1H 0x61D +#define CSR_HSTATEEN2 0x60E +#define CSR_HSTATEEN2H 0x61E +#define CSR_HSTATEEN3 0x60F +#define CSR_HSTATEEN3H 0x61F + /* Virtual CSRs */ #define CSR_VSSTATUS 0x200 #define CSR_VSIE 0x204 @@ -289,6 +305,27 @@ #define CSR_MENVCFG 0x30A #define CSR_MENVCFGH 0x31A +/* Machine state CSRs */ +#define CSR_MSTATEEN0 0x30C +#define CSR_MSTATEEN0H 0x31C +#define CSR_MSTATEEN1 0x30D +#define CSR_MSTATEEN1H 0x31D +#define CSR_MSTATEEN2 0x30E +#define CSR_MSTATEEN2H 0x31E +#define CSR_MSTATEEN3 0x30F +#define CSR_MSTATEEN3H 0x31F + +/* Common defines for all smstateen */ +#define SMSTATEEN_MAX_COUNT 4 +#define SMSTATEEN0_CS (1ULL << 0) +#define SMSTATEEN0_FCSR (1ULL << 1) +#define SMSTATEEN0_HSCONTXT (1ULL << 57) +#define SMSTATEEN0_IMSIC (1ULL << 58) +#define SMSTATEEN0_AIA (1ULL << 59) +#define SMSTATEEN0_SVSLCT (1ULL << 60) +#define SMSTATEEN0_HSENVCFG (1ULL << 62) +#define SMSTATEEN_STATEEN (1ULL << 63) + /* Enhanced Physical Memory Protection (ePMP) */ #define CSR_MSECCFG 0x747 #define CSR_MSECCFGH 0x757 diff --git a/target/riscv/cpu_helper.c b/target/riscv/cpu_helper.c index 241d06bab8..8ea3442b4a 100644 --- a/target/riscv/cpu_helper.c +++ b/target/riscv/cpu_helper.c @@ -27,7 +27,9 @@ #include "tcg/tcg-op.h" #include "trace.h" #include "semihosting/common-semi.h" +#include "sysemu/cpu-timers.h" #include "cpu_bits.h" +#include "debug.h" int riscv_cpu_mmu_index(CPURISCVState *env, bool ifetch) { @@ -103,6 +105,9 @@ void cpu_get_tb_cpu_state(CPURISCVState *env, target_ulong *pc, flags = FIELD_DP32(flags, TB_FLAGS, MSTATUS_HS_VS, get_field(env->mstatus_hs, MSTATUS_VS)); } + if (riscv_feature(env, RISCV_FEATURE_DEBUG) && !icount_enabled()) { + flags = FIELD_DP32(flags, TB_FLAGS, ITRIGGER, env->itrigger_enabled); + } #endif flags = FIELD_DP32(flags, TB_FLAGS, XL, env->xl); @@ -662,6 +667,9 @@ void riscv_cpu_set_mode(CPURISCVState *env, target_ulong newpriv) if (newpriv == PRV_H) { newpriv = PRV_U; } + if (icount_enabled() && newpriv != env->priv) { + riscv_itrigger_update_priv(env); + } /* tlb_flush is unnecessary as mode is contained in mmu_idx */ env->priv = newpriv; env->xl = cpu_recompute_xl(env); @@ -698,24 +706,26 @@ static int get_physical_address_pmp(CPURISCVState *env, int *prot, int mode) { pmp_priv_t pmp_priv; - target_ulong tlb_size_pmp = 0; + int pmp_index = -1; if (!riscv_feature(env, RISCV_FEATURE_PMP)) { *prot = PAGE_READ | PAGE_WRITE | PAGE_EXEC; return TRANSLATE_SUCCESS; } - if (!pmp_hart_has_privs(env, addr, size, 1 << access_type, &pmp_priv, - mode)) { + pmp_index = pmp_hart_has_privs(env, addr, size, 1 << access_type, + &pmp_priv, mode); + if (pmp_index < 0) { *prot = 0; return TRANSLATE_PMP_FAIL; } *prot = pmp_priv_to_page_prot(pmp_priv); - if (tlb_size != NULL) { - if (pmp_is_range_in_tlb(env, addr & ~(*tlb_size - 1), &tlb_size_pmp)) { - *tlb_size = tlb_size_pmp; - } + if ((tlb_size != NULL) && pmp_index != MAX_RISCV_PMPS) { + target_ulong tlb_sa = addr & ~(TARGET_PAGE_SIZE - 1); + target_ulong tlb_ea = tlb_sa + TARGET_PAGE_SIZE - 1; + + *tlb_size = pmp_get_tlb_size(env, pmp_index, tlb_sa, tlb_ea); } return TRANSLATE_SUCCESS; @@ -1240,6 +1250,7 @@ bool riscv_cpu_tlb_fill(CPUState *cs, vaddr address, int size, } } + pmu_tlb_fill_incr_ctr(cpu, access_type); if (riscv_cpu_virt_enabled(env) || ((riscv_cpu_two_stage_lookup(mmu_idx) || two_stage_lookup) && access_type != MMU_INST_FETCH)) { @@ -1303,7 +1314,6 @@ bool riscv_cpu_tlb_fill(CPUState *cs, vaddr address, int size, } } } else { - pmu_tlb_fill_incr_ctr(cpu, access_type); /* Single stage lookup */ ret = get_physical_address(env, &pa, &prot, address, NULL, access_type, mmu_idx, true, false, false); diff --git a/target/riscv/csr.c b/target/riscv/csr.c index 5c9a7ee287..0db2c233e5 100644 --- a/target/riscv/csr.c +++ b/target/riscv/csr.c @@ -41,6 +41,42 @@ void riscv_set_csr_ops(int csrno, riscv_csr_operations *ops) } /* Predicates */ +#if !defined(CONFIG_USER_ONLY) +static RISCVException smstateen_acc_ok(CPURISCVState *env, int index, + uint64_t bit) +{ + bool virt = riscv_cpu_virt_enabled(env); + CPUState *cs = env_cpu(env); + RISCVCPU *cpu = RISCV_CPU(cs); + + if (env->priv == PRV_M || !cpu->cfg.ext_smstateen) { + return RISCV_EXCP_NONE; + } + + if (!(env->mstateen[index] & bit)) { + return RISCV_EXCP_ILLEGAL_INST; + } + + if (virt) { + if (!(env->hstateen[index] & bit)) { + return RISCV_EXCP_VIRT_INSTRUCTION_FAULT; + } + + if (env->priv == PRV_U && !(env->sstateen[index] & bit)) { + return RISCV_EXCP_VIRT_INSTRUCTION_FAULT; + } + } + + if (env->priv == PRV_U && riscv_has_ext(env, RVS)) { + if (!(env->sstateen[index] & bit)) { + return RISCV_EXCP_ILLEGAL_INST; + } + } + + return RISCV_EXCP_NONE; +} +#endif + static RISCVException fs(CPURISCVState *env, int csrno) { #if !defined(CONFIG_USER_ONLY) @@ -283,6 +319,72 @@ static RISCVException umode32(CPURISCVState *env, int csrno) return umode(env, csrno); } +static RISCVException mstateen(CPURISCVState *env, int csrno) +{ + CPUState *cs = env_cpu(env); + RISCVCPU *cpu = RISCV_CPU(cs); + + if (!cpu->cfg.ext_smstateen) { + return RISCV_EXCP_ILLEGAL_INST; + } + + return any(env, csrno); +} + +static RISCVException hstateen_pred(CPURISCVState *env, int csrno, int base) +{ + CPUState *cs = env_cpu(env); + RISCVCPU *cpu = RISCV_CPU(cs); + + if (!cpu->cfg.ext_smstateen) { + return RISCV_EXCP_ILLEGAL_INST; + } + + if (env->priv < PRV_M) { + if (!(env->mstateen[csrno - base] & SMSTATEEN_STATEEN)) { + return RISCV_EXCP_ILLEGAL_INST; + } + } + + return hmode(env, csrno); +} + +static RISCVException hstateen(CPURISCVState *env, int csrno) +{ + return hstateen_pred(env, csrno, CSR_HSTATEEN0); +} + +static RISCVException hstateenh(CPURISCVState *env, int csrno) +{ + return hstateen_pred(env, csrno, CSR_HSTATEEN0H); +} + +static RISCVException sstateen(CPURISCVState *env, int csrno) +{ + bool virt = riscv_cpu_virt_enabled(env); + int index = csrno - CSR_SSTATEEN0; + CPUState *cs = env_cpu(env); + RISCVCPU *cpu = RISCV_CPU(cs); + + if (!cpu->cfg.ext_smstateen) { + return RISCV_EXCP_ILLEGAL_INST; + } + + if (env->priv < PRV_M) { + if (!(env->mstateen[index] & SMSTATEEN_STATEEN)) { + return RISCV_EXCP_ILLEGAL_INST; + } + + if (virt) { + if (!(env->hstateen[index] & SMSTATEEN_STATEEN)) { + return RISCV_EXCP_VIRT_INSTRUCTION_FAULT; + } + } + } + + return smode(env, csrno); +} + /* Checks if PointerMasking registers could be accessed */ static RISCVException pointer_masking(CPURISCVState *env, int csrno) { @@ -838,7 +940,7 @@ static RISCVException sstc(CPURISCVState *env, int csrno) } if (riscv_cpu_virt_enabled(env)) { - if (!(get_field(env->hcounteren, COUNTEREN_TM) & + if (!(get_field(env->hcounteren, COUNTEREN_TM) && get_field(env->henvcfg, HENVCFG_STCE))) { return RISCV_EXCP_VIRT_INSTRUCTION_FAULT; } @@ -1808,6 +1910,13 @@ static RISCVException write_menvcfgh(CPURISCVState *env, int csrno, static RISCVException read_senvcfg(CPURISCVState *env, int csrno, target_ulong *val) { + RISCVException ret; + + ret = smstateen_acc_ok(env, 0, SMSTATEEN0_HSENVCFG); + if (ret != RISCV_EXCP_NONE) { + return ret; + } + *val = env->senvcfg; return RISCV_EXCP_NONE; } @@ -1816,15 +1925,27 @@ static RISCVException write_senvcfg(CPURISCVState *env, int csrno, target_ulong val) { uint64_t mask = SENVCFG_FIOM | SENVCFG_CBIE | SENVCFG_CBCFE | SENVCFG_CBZE; + RISCVException ret; - env->senvcfg = (env->senvcfg & ~mask) | (val & mask); + ret = smstateen_acc_ok(env, 0, SMSTATEEN0_HSENVCFG); + if (ret != RISCV_EXCP_NONE) { + return ret; + } + env->senvcfg = (env->senvcfg & ~mask) | (val & mask); return RISCV_EXCP_NONE; } static RISCVException read_henvcfg(CPURISCVState *env, int csrno, target_ulong *val) { + RISCVException ret; + + ret = smstateen_acc_ok(env, 0, SMSTATEEN0_HSENVCFG); + if (ret != RISCV_EXCP_NONE) { + return ret; + } + *val = env->henvcfg; return RISCV_EXCP_NONE; } @@ -1833,6 +1954,12 @@ static RISCVException write_henvcfg(CPURISCVState *env, int csrno, target_ulong val) { uint64_t mask = HENVCFG_FIOM | HENVCFG_CBIE | HENVCFG_CBCFE | HENVCFG_CBZE; + RISCVException ret; + + ret = smstateen_acc_ok(env, 0, SMSTATEEN0_HSENVCFG); + if (ret != RISCV_EXCP_NONE) { + return ret; + } if (riscv_cpu_mxl(env) == MXL_RV64) { mask |= HENVCFG_PBMTE | HENVCFG_STCE; @@ -1846,6 +1973,13 @@ static RISCVException write_henvcfg(CPURISCVState *env, int csrno, static RISCVException read_henvcfgh(CPURISCVState *env, int csrno, target_ulong *val) { + RISCVException ret; + + ret = smstateen_acc_ok(env, 0, SMSTATEEN0_HSENVCFG); + if (ret != RISCV_EXCP_NONE) { + return ret; + } + *val = env->henvcfg >> 32; return RISCV_EXCP_NONE; } @@ -1855,12 +1989,208 @@ static RISCVException write_henvcfgh(CPURISCVState *env, int csrno, { uint64_t mask = HENVCFG_PBMTE | HENVCFG_STCE; uint64_t valh = (uint64_t)val << 32; + RISCVException ret; + + ret = smstateen_acc_ok(env, 0, SMSTATEEN0_HSENVCFG); + if (ret != RISCV_EXCP_NONE) { + return ret; + } env->henvcfg = (env->henvcfg & ~mask) | (valh & mask); + return RISCV_EXCP_NONE; +} + +static RISCVException read_mstateen(CPURISCVState *env, int csrno, + target_ulong *val) +{ + *val = env->mstateen[csrno - CSR_MSTATEEN0]; + + return RISCV_EXCP_NONE; +} + +static RISCVException write_mstateen(CPURISCVState *env, int csrno, + uint64_t wr_mask, target_ulong new_val) +{ + uint64_t *reg; + + reg = &env->mstateen[csrno - CSR_MSTATEEN0]; + *reg = (*reg & ~wr_mask) | (new_val & wr_mask); + + return RISCV_EXCP_NONE; +} + +static RISCVException write_mstateen0(CPURISCVState *env, int csrno, + target_ulong new_val) +{ + uint64_t wr_mask = SMSTATEEN_STATEEN | SMSTATEEN0_HSENVCFG; + + return write_mstateen(env, csrno, wr_mask, new_val); +} + +static RISCVException write_mstateen_1_3(CPURISCVState *env, int csrno, + target_ulong new_val) +{ + return write_mstateen(env, csrno, SMSTATEEN_STATEEN, new_val); +} + +static RISCVException read_mstateenh(CPURISCVState *env, int csrno, + target_ulong *val) +{ + *val = env->mstateen[csrno - CSR_MSTATEEN0H] >> 32; + + return RISCV_EXCP_NONE; +} + +static RISCVException write_mstateenh(CPURISCVState *env, int csrno, + uint64_t wr_mask, target_ulong new_val) +{ + uint64_t *reg, val; + + reg = &env->mstateen[csrno - CSR_MSTATEEN0H]; + val = (uint64_t)new_val << 32; + val |= *reg & 0xFFFFFFFF; + *reg = (*reg & ~wr_mask) | (val & wr_mask); + + return RISCV_EXCP_NONE; +} + +static RISCVException write_mstateen0h(CPURISCVState *env, int csrno, + target_ulong new_val) +{ + uint64_t wr_mask = SMSTATEEN_STATEEN | SMSTATEEN0_HSENVCFG; + + return write_mstateenh(env, csrno, wr_mask, new_val); +} + +static RISCVException write_mstateenh_1_3(CPURISCVState *env, int csrno, + target_ulong new_val) +{ + return write_mstateenh(env, csrno, SMSTATEEN_STATEEN, new_val); +} + +static RISCVException read_hstateen(CPURISCVState *env, int csrno, + target_ulong *val) +{ + int index = csrno - CSR_HSTATEEN0; + + *val = env->hstateen[index] & env->mstateen[index]; + + return RISCV_EXCP_NONE; +} + +static RISCVException write_hstateen(CPURISCVState *env, int csrno, + uint64_t mask, target_ulong new_val) +{ + int index = csrno - CSR_HSTATEEN0; + uint64_t *reg, wr_mask; + + reg = &env->hstateen[index]; + wr_mask = env->mstateen[index] & mask; + *reg = (*reg & ~wr_mask) | (new_val & wr_mask); + + return RISCV_EXCP_NONE; +} + +static RISCVException write_hstateen0(CPURISCVState *env, int csrno, + target_ulong new_val) +{ + uint64_t wr_mask = SMSTATEEN_STATEEN | SMSTATEEN0_HSENVCFG; + + return write_hstateen(env, csrno, wr_mask, new_val); +} + +static RISCVException write_hstateen_1_3(CPURISCVState *env, int csrno, + target_ulong new_val) +{ + return write_hstateen(env, csrno, SMSTATEEN_STATEEN, new_val); +} + +static RISCVException read_hstateenh(CPURISCVState *env, int csrno, + target_ulong *val) +{ + int index = csrno - CSR_HSTATEEN0H; + + *val = (env->hstateen[index] >> 32) & (env->mstateen[index] >> 32); return RISCV_EXCP_NONE; } +static RISCVException write_hstateenh(CPURISCVState *env, int csrno, + uint64_t mask, target_ulong new_val) +{ + int index = csrno - CSR_HSTATEEN0H; + uint64_t *reg, wr_mask, val; + + reg = &env->hstateen[index]; + val = (uint64_t)new_val << 32; + val |= *reg & 0xFFFFFFFF; + wr_mask = env->mstateen[index] & mask; + *reg = (*reg & ~wr_mask) | (val & wr_mask); + + return RISCV_EXCP_NONE; +} + +static RISCVException write_hstateen0h(CPURISCVState *env, int csrno, + target_ulong new_val) +{ + uint64_t wr_mask = SMSTATEEN_STATEEN | SMSTATEEN0_HSENVCFG; + + return write_hstateenh(env, csrno, wr_mask, new_val); +} + +static RISCVException write_hstateenh_1_3(CPURISCVState *env, int csrno, + target_ulong new_val) +{ + return write_hstateenh(env, csrno, SMSTATEEN_STATEEN, new_val); +} + +static RISCVException read_sstateen(CPURISCVState *env, int csrno, + target_ulong *val) +{ + bool virt = riscv_cpu_virt_enabled(env); + int index = csrno - CSR_SSTATEEN0; + + *val = env->sstateen[index] & env->mstateen[index]; + if (virt) { + *val &= env->hstateen[index]; + } + + return RISCV_EXCP_NONE; +} + +static RISCVException write_sstateen(CPURISCVState *env, int csrno, + uint64_t mask, target_ulong new_val) +{ + bool virt = riscv_cpu_virt_enabled(env); + int index = csrno - CSR_SSTATEEN0; + uint64_t wr_mask; + uint64_t *reg; + + wr_mask = env->mstateen[index] & mask; + if (virt) { + wr_mask &= env->hstateen[index]; + } + + reg = &env->sstateen[index]; + *reg = (*reg & ~wr_mask) | (new_val & wr_mask); + + return RISCV_EXCP_NONE; +} + +static RISCVException write_sstateen0(CPURISCVState *env, int csrno, + target_ulong new_val) +{ + uint64_t wr_mask = SMSTATEEN_STATEEN | SMSTATEEN0_HSENVCFG; + + return write_sstateen(env, csrno, wr_mask, new_val); +} + +static RISCVException write_sstateen_1_3(CPURISCVState *env, int csrno, + target_ulong new_val) +{ + return write_sstateen(env, csrno, SMSTATEEN_STATEEN, new_val); +} + static RISCVException rmw_mip64(CPURISCVState *env, int csrno, uint64_t *ret_val, uint64_t new_val, uint64_t wr_mask) @@ -3744,6 +4074,65 @@ riscv_csr_operations csr_ops[CSR_TABLE_SIZE] = { [CSR_HENVCFGH] = { "henvcfgh", hmode32, read_henvcfgh, write_henvcfgh, .min_priv_ver = PRIV_VERSION_1_12_0 }, + /* Smstateen extension CSRs */ + [CSR_MSTATEEN0] = { "mstateen0", mstateen, read_mstateen, write_mstateen0, + .min_priv_ver = PRIV_VERSION_1_12_0 }, + [CSR_MSTATEEN0H] = { "mstateen0h", mstateen, read_mstateenh, + write_mstateen0h, + .min_priv_ver = PRIV_VERSION_1_12_0 }, + [CSR_MSTATEEN1] = { "mstateen1", mstateen, read_mstateen, + write_mstateen_1_3, + .min_priv_ver = PRIV_VERSION_1_12_0 }, + [CSR_MSTATEEN1H] = { "mstateen1h", mstateen, read_mstateenh, + write_mstateenh_1_3, + .min_priv_ver = PRIV_VERSION_1_12_0 }, + [CSR_MSTATEEN2] = { "mstateen2", mstateen, read_mstateen, + write_mstateen_1_3, + .min_priv_ver = PRIV_VERSION_1_12_0 }, + [CSR_MSTATEEN2H] = { "mstateen2h", mstateen, read_mstateenh, + write_mstateenh_1_3, + .min_priv_ver = PRIV_VERSION_1_12_0 }, + [CSR_MSTATEEN3] = { "mstateen3", mstateen, read_mstateen, + write_mstateen_1_3, + .min_priv_ver = PRIV_VERSION_1_12_0 }, + [CSR_MSTATEEN3H] = { "mstateen3h", mstateen, read_mstateenh, + write_mstateenh_1_3, + .min_priv_ver = PRIV_VERSION_1_12_0 }, + [CSR_HSTATEEN0] = { "hstateen0", hstateen, read_hstateen, write_hstateen0, + .min_priv_ver = PRIV_VERSION_1_12_0 }, + [CSR_HSTATEEN0H] = { "hstateen0h", hstateenh, read_hstateenh, + write_hstateen0h, + .min_priv_ver = PRIV_VERSION_1_12_0 }, + [CSR_HSTATEEN1] = { "hstateen1", hstateen, read_hstateen, + write_hstateen_1_3, + .min_priv_ver = PRIV_VERSION_1_12_0 }, + [CSR_HSTATEEN1H] = { "hstateen1h", hstateenh, read_hstateenh, + write_hstateenh_1_3, + .min_priv_ver = PRIV_VERSION_1_12_0 }, + [CSR_HSTATEEN2] = { "hstateen2", hstateen, read_hstateen, + write_hstateen_1_3, + .min_priv_ver = PRIV_VERSION_1_12_0 }, + [CSR_HSTATEEN2H] = { "hstateen2h", hstateenh, read_hstateenh, + write_hstateenh_1_3, + .min_priv_ver = PRIV_VERSION_1_12_0 }, + [CSR_HSTATEEN3] = { "hstateen3", hstateen, read_hstateen, + write_hstateen_1_3, + .min_priv_ver = PRIV_VERSION_1_12_0 }, + [CSR_HSTATEEN3H] = { "hstateen3h", hstateenh, read_hstateenh, + write_hstateenh_1_3, + .min_priv_ver = PRIV_VERSION_1_12_0 }, + [CSR_SSTATEEN0] = { "sstateen0", sstateen, read_sstateen, write_sstateen0, + .min_priv_ver = PRIV_VERSION_1_12_0 }, + [CSR_SSTATEEN1] = { "sstateen1", sstateen, read_sstateen, + write_sstateen_1_3, + .min_priv_ver = PRIV_VERSION_1_12_0 }, + [CSR_SSTATEEN2] = { "sstateen2", sstateen, read_sstateen, + write_sstateen_1_3, + .min_priv_ver = PRIV_VERSION_1_12_0 }, + [CSR_SSTATEEN3] = { "sstateen3", sstateen, read_sstateen, + write_sstateen_1_3, + .min_priv_ver = PRIV_VERSION_1_12_0 }, + /* Supervisor Trap Setup */ [CSR_SSTATUS] = { "sstatus", smode, read_sstatus, write_sstatus, NULL, read_sstatus_i128 }, diff --git a/target/riscv/debug.c b/target/riscv/debug.c index e44848d0d7..bf4840a6a3 100644 --- a/target/riscv/debug.c +++ b/target/riscv/debug.c @@ -29,6 +29,8 @@ #include "cpu.h" #include "trace.h" #include "exec/exec-all.h" +#include "exec/helper-proto.h" +#include "sysemu/cpu-timers.h" /* * The following M-mode trigger CSRs are implemented: @@ -496,10 +498,209 @@ static void type6_reg_write(CPURISCVState *env, target_ulong index, return; } +/* icount trigger type */ +static inline int +itrigger_get_count(CPURISCVState *env, int index) +{ + return get_field(env->tdata1[index], ITRIGGER_COUNT); +} + +static inline void +itrigger_set_count(CPURISCVState *env, int index, int value) +{ + env->tdata1[index] = set_field(env->tdata1[index], + ITRIGGER_COUNT, value); +} + +static bool check_itrigger_priv(CPURISCVState *env, int index) +{ + target_ulong tdata1 = env->tdata1[index]; + if (riscv_cpu_virt_enabled(env)) { + /* check VU/VS bit against current privilege level */ + return (get_field(tdata1, ITRIGGER_VS) == env->priv) || + (get_field(tdata1, ITRIGGER_VU) == env->priv); + } else { + /* check U/S/M bit against current privilege level */ + return (get_field(tdata1, ITRIGGER_M) == env->priv) || + (get_field(tdata1, ITRIGGER_S) == env->priv) || + (get_field(tdata1, ITRIGGER_U) == env->priv); + } +} + +bool riscv_itrigger_enabled(CPURISCVState *env) +{ + int count; + for (int i = 0; i < RV_MAX_TRIGGERS; i++) { + if (get_trigger_type(env, i) != TRIGGER_TYPE_INST_CNT) { + continue; + } + if (check_itrigger_priv(env, i)) { + continue; + } + count = itrigger_get_count(env, i); + if (!count) { + continue; + } + return true; + } + + return false; +} + +void helper_itrigger_match(CPURISCVState *env) +{ + int count; + for (int i = 0; i < RV_MAX_TRIGGERS; i++) { + if (get_trigger_type(env, i) != TRIGGER_TYPE_INST_CNT) { + continue; + } + if (check_itrigger_priv(env, i)) { + continue; + } + count = itrigger_get_count(env, i); + if (!count) { + continue; + } + itrigger_set_count(env, i, count--); + if (!count) { + env->itrigger_enabled = riscv_itrigger_enabled(env); + do_trigger_action(env, i); + } + } +} + +static void riscv_itrigger_update_count(CPURISCVState *env) +{ + int count, executed; + /* + * Record last icount, so that we can evaluate the executed instructions + * since last priviledge mode change or timer expire. + */ + int64_t last_icount = env->last_icount, current_icount; + current_icount = env->last_icount = icount_get_raw(); + + for (int i = 0; i < RV_MAX_TRIGGERS; i++) { + if (get_trigger_type(env, i) != TRIGGER_TYPE_INST_CNT) { + continue; + } + count = itrigger_get_count(env, i); + if (!count) { + continue; + } + /* + * Only when priviledge is changed or itrigger timer expires, + * the count field in itrigger tdata1 register is updated. + * And the count field in itrigger only contains remaining value. + */ + if (check_itrigger_priv(env, i)) { + /* + * If itrigger enabled in this priviledge mode, the number of + * executed instructions since last priviledge change + * should be reduced from current itrigger count. + */ + executed = current_icount - last_icount; + itrigger_set_count(env, i, count - executed); + if (count == executed) { + do_trigger_action(env, i); + } + } else { + /* + * If itrigger is not enabled in this priviledge mode, + * the number of executed instructions will be discard and + * the count field in itrigger will not change. + */ + timer_mod(env->itrigger_timer[i], + current_icount + count); + } + } +} + +static void riscv_itrigger_timer_cb(void *opaque) +{ + riscv_itrigger_update_count((CPURISCVState *)opaque); +} + +void riscv_itrigger_update_priv(CPURISCVState *env) +{ + riscv_itrigger_update_count(env); +} + +static target_ulong itrigger_validate(CPURISCVState *env, + target_ulong ctrl) +{ + target_ulong val; + + /* validate the generic part first */ + val = tdata1_validate(env, ctrl, TRIGGER_TYPE_INST_CNT); + + /* validate unimplemented (always zero) bits */ + warn_always_zero_bit(ctrl, ITRIGGER_ACTION, "action"); + warn_always_zero_bit(ctrl, ITRIGGER_HIT, "hit"); + warn_always_zero_bit(ctrl, ITRIGGER_PENDING, "pending"); + + /* keep the mode and attribute bits */ + val |= ctrl & (ITRIGGER_VU | ITRIGGER_VS | ITRIGGER_U | ITRIGGER_S | + ITRIGGER_M | ITRIGGER_COUNT); + + return val; +} + +static void itrigger_reg_write(CPURISCVState *env, target_ulong index, + int tdata_index, target_ulong val) +{ + target_ulong new_val; + + switch (tdata_index) { + case TDATA1: + /* set timer for icount */ + new_val = itrigger_validate(env, val); + if (new_val != env->tdata1[index]) { + env->tdata1[index] = new_val; + if (icount_enabled()) { + env->last_icount = icount_get_raw(); + /* set the count to timer */ + timer_mod(env->itrigger_timer[index], + env->last_icount + itrigger_get_count(env, index)); + } else { + env->itrigger_enabled = riscv_itrigger_enabled(env); + } + } + break; + case TDATA2: + qemu_log_mask(LOG_UNIMP, + "tdata2 is not supported for icount trigger\n"); + break; + case TDATA3: + qemu_log_mask(LOG_UNIMP, + "tdata3 is not supported for icount trigger\n"); + break; + default: + g_assert_not_reached(); + } + + return; +} + +static int itrigger_get_adjust_count(CPURISCVState *env) +{ + int count = itrigger_get_count(env, env->trigger_cur), executed; + if ((count != 0) && check_itrigger_priv(env, env->trigger_cur)) { + executed = icount_get_raw() - env->last_icount; + count += executed; + } + return count; +} + target_ulong tdata_csr_read(CPURISCVState *env, int tdata_index) { + int trigger_type; switch (tdata_index) { case TDATA1: + trigger_type = extract_trigger_type(env, env->tdata1[env->trigger_cur]); + if ((trigger_type == TRIGGER_TYPE_INST_CNT) && icount_enabled()) { + return deposit64(env->tdata1[env->trigger_cur], 10, 14, + itrigger_get_adjust_count(env)); + } return env->tdata1[env->trigger_cur]; case TDATA2: return env->tdata2[env->trigger_cur]; @@ -528,6 +729,8 @@ void tdata_csr_write(CPURISCVState *env, int tdata_index, target_ulong val) type6_reg_write(env, env->trigger_cur, tdata_index, val); break; case TRIGGER_TYPE_INST_CNT: + itrigger_reg_write(env, env->trigger_cur, tdata_index, val); + break; case TRIGGER_TYPE_INT: case TRIGGER_TYPE_EXCP: case TRIGGER_TYPE_EXT_SRC: @@ -725,5 +928,7 @@ void riscv_trigger_init(CPURISCVState *env) env->tdata3[i] = 0; env->cpu_breakpoint[i] = NULL; env->cpu_watchpoint[i] = NULL; + env->itrigger_timer[i] = timer_new_ns(QEMU_CLOCK_VIRTUAL, + riscv_itrigger_timer_cb, env); } } diff --git a/target/riscv/debug.h b/target/riscv/debug.h index a1226b4d29..c471748d5a 100644 --- a/target/riscv/debug.h +++ b/target/riscv/debug.h @@ -118,6 +118,17 @@ enum { SIZE_NUM = 16 }; +/* itrigger filed masks */ +#define ITRIGGER_ACTION 0x3f +#define ITRIGGER_U BIT(6) +#define ITRIGGER_S BIT(7) +#define ITRIGGER_PENDING BIT(8) +#define ITRIGGER_M BIT(9) +#define ITRIGGER_COUNT (0x3fff << 10) +#define ITRIGGER_HIT BIT(24) +#define ITRIGGER_VU BIT(25) +#define ITRIGGER_VS BIT(26) + bool tdata_available(CPURISCVState *env, int tdata_index); target_ulong tselect_csr_read(CPURISCVState *env); @@ -134,4 +145,6 @@ bool riscv_cpu_debug_check_watchpoint(CPUState *cs, CPUWatchpoint *wp); void riscv_trigger_init(CPURISCVState *env); +bool riscv_itrigger_enabled(CPURISCVState *env); +void riscv_itrigger_update_priv(CPURISCVState *env); #endif /* RISCV_DEBUG_H */ diff --git a/target/riscv/helper.h b/target/riscv/helper.h index a03014fe67..227c7122ef 100644 --- a/target/riscv/helper.h +++ b/target/riscv/helper.h @@ -109,6 +109,8 @@ DEF_HELPER_1(sret, tl, env) DEF_HELPER_1(mret, tl, env) DEF_HELPER_1(wfi, void, env) DEF_HELPER_1(tlb_flush, void, env) +/* Native Debug */ +DEF_HELPER_1(itrigger_match, void, env) #endif /* Hypervisor functions */ diff --git a/target/riscv/insn32.decode b/target/riscv/insn32.decode index d0253b8104..b7e7613ea2 100644 --- a/target/riscv/insn32.decode +++ b/target/riscv/insn32.decode @@ -718,6 +718,10 @@ vsetvli 0 ........... ..... 111 ..... 1010111 @r2_zimm11 vsetivli 11 .......... ..... 111 ..... 1010111 @r2_zimm10 vsetvl 1000000 ..... ..... 111 ..... 1010111 @r +# *** Zawrs Standard Extension *** +wrs_nto 000000001101 00000 000 00000 1110011 +wrs_sto 000000011101 00000 000 00000 1110011 + # *** RV32 Zba Standard Extension *** sh1add 0010000 .......... 010 ..... 0110011 @r sh2add 0010000 .......... 100 ..... 0110011 @r diff --git a/target/riscv/insn_trans/trans_privileged.c.inc b/target/riscv/insn_trans/trans_privileged.c.inc index 3281408a87..59501b2780 100644 --- a/target/riscv/insn_trans/trans_privileged.c.inc +++ b/target/riscv/insn_trans/trans_privileged.c.inc @@ -78,7 +78,7 @@ static bool trans_sret(DisasContext *ctx, arg_sret *a) if (has_ext(ctx, RVS)) { decode_save_opc(ctx); gen_helper_sret(cpu_pc, cpu_env); - tcg_gen_exit_tb(NULL, 0); /* no chaining */ + exit_tb(ctx); /* no chaining */ ctx->base.is_jmp = DISAS_NORETURN; } else { return false; @@ -94,7 +94,7 @@ static bool trans_mret(DisasContext *ctx, arg_mret *a) #ifndef CONFIG_USER_ONLY decode_save_opc(ctx); gen_helper_mret(cpu_pc, cpu_env); - tcg_gen_exit_tb(NULL, 0); /* no chaining */ + exit_tb(ctx); /* no chaining */ ctx->base.is_jmp = DISAS_NORETURN; return true; #else diff --git a/target/riscv/insn_trans/trans_rvi.c.inc b/target/riscv/insn_trans/trans_rvi.c.inc index c49dbec0eb..5c69b88d1e 100644 --- a/target/riscv/insn_trans/trans_rvi.c.inc +++ b/target/riscv/insn_trans/trans_rvi.c.inc @@ -66,7 +66,7 @@ static bool trans_jalr(DisasContext *ctx, arg_jalr *a) } gen_set_gpri(ctx, a->rd, ctx->pc_succ_insn); - tcg_gen_lookup_and_goto_ptr(); + lookup_and_goto_ptr(ctx); if (misaligned) { gen_set_label(misaligned); @@ -803,7 +803,7 @@ static bool trans_pause(DisasContext *ctx, arg_pause *a) * end the TB and return to main loop */ gen_set_pc_imm(ctx, ctx->pc_succ_insn); - tcg_gen_exit_tb(NULL, 0); + exit_tb(ctx); ctx->base.is_jmp = DISAS_NORETURN; return true; @@ -827,7 +827,7 @@ static bool trans_fence_i(DisasContext *ctx, arg_fence_i *a) * however we need to end the translation block */ gen_set_pc_imm(ctx, ctx->pc_succ_insn); - tcg_gen_exit_tb(NULL, 0); + exit_tb(ctx); ctx->base.is_jmp = DISAS_NORETURN; return true; } @@ -838,7 +838,7 @@ static bool do_csr_post(DisasContext *ctx) decode_save_opc(ctx); /* We may have changed important cpu state -- exit to main loop. */ gen_set_pc_imm(ctx, ctx->pc_succ_insn); - tcg_gen_exit_tb(NULL, 0); + exit_tb(ctx); ctx->base.is_jmp = DISAS_NORETURN; return true; } diff --git a/target/riscv/insn_trans/trans_rvv.c.inc b/target/riscv/insn_trans/trans_rvv.c.inc index 4dea4413ae..d455acedbf 100644 --- a/target/riscv/insn_trans/trans_rvv.c.inc +++ b/target/riscv/insn_trans/trans_rvv.c.inc @@ -196,7 +196,7 @@ static bool do_vsetvl(DisasContext *s, int rd, int rs1, TCGv s2) mark_vs_dirty(s); gen_set_pc_imm(s, s->pc_succ_insn); - tcg_gen_lookup_and_goto_ptr(); + lookup_and_goto_ptr(s); s->base.is_jmp = DISAS_NORETURN; if (rd == 0 && rs1 == 0) { @@ -222,7 +222,7 @@ static bool do_vsetivli(DisasContext *s, int rd, TCGv s1, TCGv s2) gen_set_gpr(s, rd, dst); mark_vs_dirty(s); gen_set_pc_imm(s, s->pc_succ_insn); - tcg_gen_lookup_and_goto_ptr(); + lookup_and_goto_ptr(s); s->base.is_jmp = DISAS_NORETURN; return true; diff --git a/target/riscv/insn_trans/trans_rvzawrs.c.inc b/target/riscv/insn_trans/trans_rvzawrs.c.inc new file mode 100644 index 0000000000..8254e7dfe2 --- /dev/null +++ b/target/riscv/insn_trans/trans_rvzawrs.c.inc @@ -0,0 +1,51 @@ +/* + * RISC-V translation routines for the RISC-V Zawrs Extension. + * + * Copyright (c) 2022 Christoph Muellner, christoph.muellner@vrull.io + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2 or later, as published by the Free Software Foundation. + * + * This program is distributed in the hope 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/>. + */ + +static bool trans_wrs(DisasContext *ctx) +{ + if (!ctx->cfg_ptr->ext_zawrs) { + return false; + } + + /* + * The specification says: + * While stalled, an implementation is permitted to occasionally + * terminate the stall and complete execution for any reason. + * + * So let's just exit TB and return to the main loop. + */ + + /* Clear the load reservation (if any). */ + tcg_gen_movi_tl(load_res, -1); + + gen_set_pc_imm(ctx, ctx->pc_succ_insn); + tcg_gen_exit_tb(NULL, 0); + ctx->base.is_jmp = DISAS_NORETURN; + + return true; +} + +#define GEN_TRANS_WRS(insn) \ +static bool trans_ ## insn(DisasContext *ctx, arg_ ## insn *a) \ +{ \ + (void)a; \ + return trans_wrs(ctx); \ +} + +GEN_TRANS_WRS(wrs_nto) +GEN_TRANS_WRS(wrs_sto) diff --git a/target/riscv/machine.c b/target/riscv/machine.c index c2a94a82b3..65a8549ec2 100644 --- a/target/riscv/machine.c +++ b/target/riscv/machine.c @@ -21,6 +21,8 @@ #include "qemu/error-report.h" #include "sysemu/kvm.h" #include "migration/cpu.h" +#include "sysemu/cpu-timers.h" +#include "debug.h" static bool pmp_needed(void *opaque) { @@ -229,11 +231,24 @@ static bool debug_needed(void *opaque) return riscv_feature(env, RISCV_FEATURE_DEBUG); } +static int debug_post_load(void *opaque, int version_id) +{ + RISCVCPU *cpu = opaque; + CPURISCVState *env = &cpu->env; + + if (icount_enabled()) { + env->itrigger_enabled = riscv_itrigger_enabled(env); + } + + return 0; +} + static const VMStateDescription vmstate_debug = { .name = "cpu/debug", .version_id = 2, .minimum_version_id = 2, .needed = debug_needed, + .post_load = debug_post_load, .fields = (VMStateField[]) { VMSTATE_UINTTL(env.trigger_cur, RISCVCPU), VMSTATE_UINTTL_ARRAY(env.tdata1, RISCVCPU, RV_MAX_TRIGGERS), @@ -253,6 +268,26 @@ static int riscv_cpu_post_load(void *opaque, int version_id) return 0; } +static bool smstateen_needed(void *opaque) +{ + RISCVCPU *cpu = opaque; + + return cpu->cfg.ext_smstateen; +} + +static const VMStateDescription vmstate_smstateen = { + .name = "cpu/smtateen", + .version_id = 1, + .minimum_version_id = 1, + .needed = smstateen_needed, + .fields = (VMStateField[]) { + VMSTATE_UINT64_ARRAY(env.mstateen, RISCVCPU, 4), + VMSTATE_UINT64_ARRAY(env.hstateen, RISCVCPU, 4), + VMSTATE_UINT64_ARRAY(env.sstateen, RISCVCPU, 4), + VMSTATE_END_OF_LIST() + } +}; + static bool envcfg_needed(void *opaque) { RISCVCPU *cpu = opaque; @@ -364,6 +399,7 @@ const VMStateDescription vmstate_riscv_cpu = { &vmstate_kvmtimer, &vmstate_envcfg, &vmstate_debug, + &vmstate_smstateen, NULL } }; diff --git a/target/riscv/op_helper.c b/target/riscv/op_helper.c index 09f1f5185d..878bcb03b8 100644 --- a/target/riscv/op_helper.c +++ b/target/riscv/op_helper.c @@ -149,21 +149,24 @@ target_ulong helper_sret(CPURISCVState *env) } mstatus = env->mstatus; + prev_priv = get_field(mstatus, MSTATUS_SPP); + mstatus = set_field(mstatus, MSTATUS_SIE, + get_field(mstatus, MSTATUS_SPIE)); + mstatus = set_field(mstatus, MSTATUS_SPIE, 1); + mstatus = set_field(mstatus, MSTATUS_SPP, PRV_U); + if (env->priv_ver >= PRIV_VERSION_1_12_0) { + mstatus = set_field(mstatus, MSTATUS_MPRV, 0); + } + env->mstatus = mstatus; if (riscv_has_ext(env, RVH) && !riscv_cpu_virt_enabled(env)) { /* We support Hypervisor extensions and virtulisation is disabled */ target_ulong hstatus = env->hstatus; - prev_priv = get_field(mstatus, MSTATUS_SPP); prev_virt = get_field(hstatus, HSTATUS_SPV); hstatus = set_field(hstatus, HSTATUS_SPV, 0); - mstatus = set_field(mstatus, MSTATUS_SPP, 0); - mstatus = set_field(mstatus, SSTATUS_SIE, - get_field(mstatus, SSTATUS_SPIE)); - mstatus = set_field(mstatus, SSTATUS_SPIE, 1); - env->mstatus = mstatus; env->hstatus = hstatus; if (prev_virt) { @@ -171,14 +174,6 @@ target_ulong helper_sret(CPURISCVState *env) } riscv_cpu_set_virt_enabled(env, prev_virt); - } else { - prev_priv = get_field(mstatus, MSTATUS_SPP); - - mstatus = set_field(mstatus, MSTATUS_SIE, - get_field(mstatus, MSTATUS_SPIE)); - mstatus = set_field(mstatus, MSTATUS_SPIE, 1); - mstatus = set_field(mstatus, MSTATUS_SPP, PRV_U); - env->mstatus = mstatus; } riscv_cpu_set_mode(env, prev_priv); @@ -202,7 +197,7 @@ target_ulong helper_mret(CPURISCVState *env) if (riscv_feature(env, RISCV_FEATURE_PMP) && !pmp_get_num_rules(env) && (prev_priv != PRV_M)) { - riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC()); + riscv_raise_exception(env, RISCV_EXCP_INST_ACCESS_FAULT, GETPC()); } target_ulong prev_virt = get_field(env->mstatus, MSTATUS_MPV); @@ -211,6 +206,9 @@ target_ulong helper_mret(CPURISCVState *env) mstatus = set_field(mstatus, MSTATUS_MPIE, 1); mstatus = set_field(mstatus, MSTATUS_MPP, PRV_U); mstatus = set_field(mstatus, MSTATUS_MPV, 0); + if ((env->priv_ver >= PRIV_VERSION_1_12_0) && (prev_priv != PRV_M)) { + mstatus = set_field(mstatus, MSTATUS_MPRV, 0); + } env->mstatus = mstatus; riscv_cpu_set_mode(env, prev_priv); diff --git a/target/riscv/pmp.c b/target/riscv/pmp.c index 2b43e399b8..d1126a6066 100644 --- a/target/riscv/pmp.c +++ b/target/riscv/pmp.c @@ -292,8 +292,11 @@ static bool pmp_hart_has_privs_default(CPURISCVState *env, target_ulong addr, /* * Check if the address has required RWX privs to complete desired operation + * Return PMP rule index if a pmp rule match + * Return MAX_RISCV_PMPS if default match + * Return negtive value if no match */ -bool pmp_hart_has_privs(CPURISCVState *env, target_ulong addr, +int pmp_hart_has_privs(CPURISCVState *env, target_ulong addr, target_ulong size, pmp_priv_t privs, pmp_priv_t *allowed_privs, target_ulong mode) { @@ -305,8 +308,10 @@ bool pmp_hart_has_privs(CPURISCVState *env, target_ulong addr, /* Short cut if no rules */ if (0 == pmp_get_num_rules(env)) { - return pmp_hart_has_privs_default(env, addr, size, privs, - allowed_privs, mode); + if (pmp_hart_has_privs_default(env, addr, size, privs, + allowed_privs, mode)) { + ret = MAX_RISCV_PMPS; + } } if (size == 0) { @@ -333,7 +338,7 @@ bool pmp_hart_has_privs(CPURISCVState *env, target_ulong addr, if ((s + e) == 1) { qemu_log_mask(LOG_GUEST_ERROR, "pmp violation - access is partially inside\n"); - ret = 0; + ret = -1; break; } @@ -436,18 +441,22 @@ bool pmp_hart_has_privs(CPURISCVState *env, target_ulong addr, } } - ret = ((privs & *allowed_privs) == privs); + if ((privs & *allowed_privs) == privs) { + ret = i; + } break; } } /* No rule matched */ if (ret == -1) { - return pmp_hart_has_privs_default(env, addr, size, privs, - allowed_privs, mode); + if (pmp_hart_has_privs_default(env, addr, size, privs, + allowed_privs, mode)) { + ret = MAX_RISCV_PMPS; + } } - return ret == 1 ? true : false; + return ret; } /* @@ -586,64 +595,25 @@ target_ulong mseccfg_csr_read(CPURISCVState *env) * Calculate the TLB size if the start address or the end address of * PMP entry is presented in the TLB page. */ -static target_ulong pmp_get_tlb_size(CPURISCVState *env, int pmp_index, - target_ulong tlb_sa, target_ulong tlb_ea) +target_ulong pmp_get_tlb_size(CPURISCVState *env, int pmp_index, + target_ulong tlb_sa, target_ulong tlb_ea) { target_ulong pmp_sa = env->pmp_state.addr[pmp_index].sa; target_ulong pmp_ea = env->pmp_state.addr[pmp_index].ea; - if (pmp_sa >= tlb_sa && pmp_ea <= tlb_ea) { - return pmp_ea - pmp_sa + 1; - } - - if (pmp_sa >= tlb_sa && pmp_sa <= tlb_ea && pmp_ea >= tlb_ea) { - return tlb_ea - pmp_sa + 1; - } - - if (pmp_ea <= tlb_ea && pmp_ea >= tlb_sa && pmp_sa <= tlb_sa) { - return pmp_ea - tlb_sa + 1; - } - - return 0; -} - -/* - * Check is there a PMP entry which range covers this page. If so, - * try to find the minimum granularity for the TLB size. - */ -bool pmp_is_range_in_tlb(CPURISCVState *env, hwaddr tlb_sa, - target_ulong *tlb_size) -{ - int i; - target_ulong val; - target_ulong tlb_ea = (tlb_sa + TARGET_PAGE_SIZE - 1); - - for (i = 0; i < MAX_RISCV_PMPS; i++) { - val = pmp_get_tlb_size(env, i, tlb_sa, tlb_ea); - if (val) { - if (*tlb_size == 0 || *tlb_size > val) { - *tlb_size = val; - } - } - } - - if (*tlb_size != 0) { + if (pmp_sa <= tlb_sa && pmp_ea >= tlb_ea) { + return TARGET_PAGE_SIZE; + } else { /* - * At this point we have a tlb_size that is the smallest possible size - * That fits within a TARGET_PAGE_SIZE and the PMP region. - * - * If the size is less then TARGET_PAGE_SIZE we drop the size to 1. - * This means the result isn't cached in the TLB and is only used for - * a single translation. - */ - if (*tlb_size < TARGET_PAGE_SIZE) { - *tlb_size = 1; - } - - return true; + * At this point we have a tlb_size that is the smallest possible size + * That fits within a TARGET_PAGE_SIZE and the PMP region. + * + * If the size is less then TARGET_PAGE_SIZE we drop the size to 1. + * This means the result isn't cached in the TLB and is only used for + * a single translation. + */ + return 1; } - - return false; } /* diff --git a/target/riscv/pmp.h b/target/riscv/pmp.h index a8dd797476..da32c61c85 100644 --- a/target/riscv/pmp.h +++ b/target/riscv/pmp.h @@ -72,11 +72,11 @@ target_ulong mseccfg_csr_read(CPURISCVState *env); void pmpaddr_csr_write(CPURISCVState *env, uint32_t addr_index, target_ulong val); target_ulong pmpaddr_csr_read(CPURISCVState *env, uint32_t addr_index); -bool pmp_hart_has_privs(CPURISCVState *env, target_ulong addr, +int pmp_hart_has_privs(CPURISCVState *env, target_ulong addr, target_ulong size, pmp_priv_t privs, pmp_priv_t *allowed_privs, target_ulong mode); -bool pmp_is_range_in_tlb(CPURISCVState *env, hwaddr tlb_sa, - target_ulong *tlb_size); +target_ulong pmp_get_tlb_size(CPURISCVState *env, int pmp_index, + target_ulong tlb_sa, target_ulong tlb_ea); void pmp_update_rule_addr(CPURISCVState *env, uint32_t pmp_index); void pmp_update_rule_nums(CPURISCVState *env); uint32_t pmp_get_num_rules(CPURISCVState *env); diff --git a/target/riscv/translate.c b/target/riscv/translate.c index db123da5ec..df38db7553 100644 --- a/target/riscv/translate.c +++ b/target/riscv/translate.c @@ -76,6 +76,7 @@ typedef struct DisasContext { to reset this known value. */ int frm; RISCVMXL ol; + bool virt_inst_excp; bool virt_enabled; const RISCVCPUConfig *cfg_ptr; bool hlsx; @@ -111,6 +112,8 @@ typedef struct DisasContext { /* PointerMasking extension */ bool pm_mask_enabled; bool pm_base_enabled; + /* Use icount trigger for native debug */ + bool itrigger; /* TCG of the current insn_start */ TCGOp *insn_start; } DisasContext; @@ -243,7 +246,11 @@ static void gen_exception_illegal(DisasContext *ctx) { tcg_gen_st_i32(tcg_constant_i32(ctx->opcode), cpu_env, offsetof(CPURISCVState, bins)); - generate_exception(ctx, RISCV_EXCP_ILLEGAL_INST); + if (ctx->virt_inst_excp) { + generate_exception(ctx, RISCV_EXCP_VIRT_INSTRUCTION_FAULT); + } else { + generate_exception(ctx, RISCV_EXCP_ILLEGAL_INST); + } } static void gen_exception_inst_addr_mis(DisasContext *ctx) @@ -252,15 +259,39 @@ static void gen_exception_inst_addr_mis(DisasContext *ctx) generate_exception(ctx, RISCV_EXCP_INST_ADDR_MIS); } +static void lookup_and_goto_ptr(DisasContext *ctx) +{ +#ifndef CONFIG_USER_ONLY + if (ctx->itrigger) { + gen_helper_itrigger_match(cpu_env); + } +#endif + tcg_gen_lookup_and_goto_ptr(); +} + +static void exit_tb(DisasContext *ctx) +{ +#ifndef CONFIG_USER_ONLY + if (ctx->itrigger) { + gen_helper_itrigger_match(cpu_env); + } +#endif + tcg_gen_exit_tb(NULL, 0); +} + static void gen_goto_tb(DisasContext *ctx, int n, target_ulong dest) { - if (translator_use_goto_tb(&ctx->base, dest)) { + /* + * Under itrigger, instruction executes one by one like singlestep, + * direct block chain benefits will be small. + */ + if (translator_use_goto_tb(&ctx->base, dest) && !ctx->itrigger) { tcg_gen_goto_tb(n); gen_set_pc_imm(ctx, dest); tcg_gen_exit_tb(ctx->base.tb, n); } else { gen_set_pc_imm(ctx, dest); - tcg_gen_lookup_and_goto_ptr(); + lookup_and_goto_ptr(ctx); } } @@ -1029,6 +1060,7 @@ static uint32_t opcode_at(DisasContextBase *dcbase, target_ulong pc) #include "insn_trans/trans_rvh.c.inc" #include "insn_trans/trans_rvv.c.inc" #include "insn_trans/trans_rvb.c.inc" +#include "insn_trans/trans_rvzawrs.c.inc" #include "insn_trans/trans_rvzfh.c.inc" #include "insn_trans/trans_rvk.c.inc" #include "insn_trans/trans_privileged.c.inc" @@ -1062,16 +1094,13 @@ static void decode_opc(CPURISCVState *env, DisasContext *ctx, uint16_t opcode) { has_XVentanaCondOps_p, decode_XVentanaCodeOps }, }; + ctx->virt_inst_excp = false; /* Check for compressed insn */ if (insn_len(opcode) == 2) { - if (!has_ext(ctx, RVC)) { - gen_exception_illegal(ctx); - } else { - ctx->opcode = opcode; - ctx->pc_succ_insn = ctx->base.pc_next + 2; - if (decode_insn16(ctx, opcode)) { - return; - } + ctx->opcode = opcode; + ctx->pc_succ_insn = ctx->base.pc_next + 2; + if (has_ext(ctx, RVC) && decode_insn16(ctx, opcode)) { + return; } } else { uint32_t opcode32 = opcode; @@ -1136,6 +1165,7 @@ static void riscv_tr_init_disas_context(DisasContextBase *dcbase, CPUState *cs) memset(ctx->ftemp, 0, sizeof(ctx->ftemp)); ctx->pm_mask_enabled = FIELD_EX32(tb_flags, TB_FLAGS, PM_MASK_ENABLED); ctx->pm_base_enabled = FIELD_EX32(tb_flags, TB_FLAGS, PM_BASE_ENABLED); + ctx->itrigger = FIELD_EX32(tb_flags, TB_FLAGS, ITRIGGER); ctx->zero = tcg_constant_tl(0); } @@ -1175,7 +1205,7 @@ static void riscv_tr_translate_insn(DisasContextBase *dcbase, CPUState *cpu) /* Only the first insn within a TB is allowed to cross a page boundary. */ if (ctx->base.is_jmp == DISAS_NEXT) { - if (!is_same_page(&ctx->base, ctx->base.pc_next)) { + if (ctx->itrigger || !is_same_page(&ctx->base, ctx->base.pc_next)) { ctx->base.is_jmp = DISAS_TOO_MANY; } else { unsigned page_ofs = ctx->base.pc_next & ~TARGET_PAGE_MASK; diff --git a/tcg/riscv/tcg-target.c.inc b/tcg/riscv/tcg-target.c.inc index aa017d665a..f741e0582d 100644 --- a/tcg/riscv/tcg-target.c.inc +++ b/tcg/riscv/tcg-target.c.inc @@ -154,13 +154,26 @@ static bool tcg_target_const_match(int64_t val, TCGType type, int ct) if ((ct & TCG_CT_CONST_ZERO) && val == 0) { return 1; } - if ((ct & TCG_CT_CONST_S12) && val == sextreg(val, 0, 12)) { + /* + * Sign extended from 12 bits: [-0x800, 0x7ff]. + * Used for most arithmetic, as this is the isa field. + */ + if ((ct & TCG_CT_CONST_S12) && val >= -0x800 && val <= 0x7ff) { return 1; } - if ((ct & TCG_CT_CONST_N12) && -val == sextreg(-val, 0, 12)) { + /* + * Sign extended from 12 bits, negated: [-0x7ff, 0x800]. + * Used for subtraction, where a constant must be handled by ADDI. + */ + if ((ct & TCG_CT_CONST_N12) && val >= -0x7ff && val <= 0x800) { return 1; } - if ((ct & TCG_CT_CONST_M12) && val >= -0xfff && val <= 0xfff) { + /* + * Sign extended from 12 bits, +/- matching: [-0x7ff, 0x7ff]. + * Used by addsub2, which may need the negative operation, + * and requires the modified constant to be representable. + */ + if ((ct & TCG_CT_CONST_M12) && val >= -0x7ff && val <= 0x7ff) { return 1; } return 0; @@ -687,9 +700,15 @@ static void tcg_out_addsub2(TCGContext *s, if (cbl) { tcg_out_opc_imm(s, opc_addi, rl, al, bl); tcg_out_opc_imm(s, OPC_SLTIU, TCG_REG_TMP0, rl, bl); - } else if (rl == al && rl == bl) { + } else if (al == bl) { + /* + * If the input regs overlap, this is a simple doubling + * and carry-out is the input msb. This special case is + * required when the output reg overlaps the input, + * but we might as well use it always. + */ tcg_out_opc_imm(s, OPC_SLTI, TCG_REG_TMP0, al, 0); - tcg_out_opc_reg(s, opc_addi, rl, al, bl); + tcg_out_opc_reg(s, opc_add, rl, al, al); } else { tcg_out_opc_reg(s, opc_add, rl, al, bl); tcg_out_opc_reg(s, OPC_SLTU, TCG_REG_TMP0, @@ -905,9 +924,9 @@ static void tcg_out_goto(TCGContext *s, const tcg_insn_unit *target) tcg_debug_assert(ok); } -static void tcg_out_tlb_load(TCGContext *s, TCGReg addrl, - TCGReg addrh, MemOpIdx oi, - tcg_insn_unit **label_ptr, bool is_load) +static TCGReg tcg_out_tlb_load(TCGContext *s, TCGReg addrl, + TCGReg addrh, MemOpIdx oi, + tcg_insn_unit **label_ptr, bool is_load) { MemOp opc = get_memop(oi); unsigned s_bits = opc & MO_SIZE; @@ -957,6 +976,7 @@ static void tcg_out_tlb_load(TCGContext *s, TCGReg addrl, addrl = TCG_REG_TMP0; } tcg_out_opc_reg(s, OPC_ADD, TCG_REG_TMP0, TCG_REG_TMP2, addrl); + return TCG_REG_TMP0; } static void add_qemu_ldst_label(TCGContext *s, int is_ld, MemOpIdx oi, @@ -1159,7 +1179,7 @@ static void tcg_out_qemu_ld(TCGContext *s, const TCGArg *args, bool is_64) #else unsigned a_bits; #endif - TCGReg base = TCG_REG_TMP0; + TCGReg base; data_regl = *args++; data_regh = (TCG_TARGET_REG_BITS == 32 && is_64 ? *args++ : 0); @@ -1169,23 +1189,25 @@ static void tcg_out_qemu_ld(TCGContext *s, const TCGArg *args, bool is_64) opc = get_memop(oi); #if defined(CONFIG_SOFTMMU) - tcg_out_tlb_load(s, addr_regl, addr_regh, oi, label_ptr, 1); + base = tcg_out_tlb_load(s, addr_regl, addr_regh, oi, label_ptr, 1); tcg_out_qemu_ld_direct(s, data_regl, data_regh, base, opc, is_64); add_qemu_ldst_label(s, 1, oi, (is_64 ? TCG_TYPE_I64 : TCG_TYPE_I32), data_regl, data_regh, addr_regl, addr_regh, s->code_ptr, label_ptr); #else - if (TCG_TARGET_REG_BITS > TARGET_LONG_BITS) { - tcg_out_ext32u(s, base, addr_regl); - addr_regl = base; - } a_bits = get_alignment_bits(opc); if (a_bits) { tcg_out_test_alignment(s, true, addr_regl, a_bits); } + base = addr_regl; + if (TCG_TARGET_REG_BITS > TARGET_LONG_BITS) { + tcg_out_ext32u(s, TCG_REG_TMP0, base); + base = TCG_REG_TMP0; + } if (guest_base != 0) { - tcg_out_opc_reg(s, OPC_ADD, base, TCG_GUEST_BASE_REG, addr_regl); + tcg_out_opc_reg(s, OPC_ADD, TCG_REG_TMP0, TCG_GUEST_BASE_REG, base); + base = TCG_REG_TMP0; } tcg_out_qemu_ld_direct(s, data_regl, data_regh, base, opc, is_64); #endif @@ -1231,7 +1253,7 @@ static void tcg_out_qemu_st(TCGContext *s, const TCGArg *args, bool is_64) #else unsigned a_bits; #endif - TCGReg base = TCG_REG_TMP0; + TCGReg base; data_regl = *args++; data_regh = (TCG_TARGET_REG_BITS == 32 && is_64 ? *args++ : 0); @@ -1241,23 +1263,25 @@ static void tcg_out_qemu_st(TCGContext *s, const TCGArg *args, bool is_64) opc = get_memop(oi); #if defined(CONFIG_SOFTMMU) - tcg_out_tlb_load(s, addr_regl, addr_regh, oi, label_ptr, 0); + base = tcg_out_tlb_load(s, addr_regl, addr_regh, oi, label_ptr, 0); tcg_out_qemu_st_direct(s, data_regl, data_regh, base, opc); add_qemu_ldst_label(s, 0, oi, (is_64 ? TCG_TYPE_I64 : TCG_TYPE_I32), data_regl, data_regh, addr_regl, addr_regh, s->code_ptr, label_ptr); #else - if (TCG_TARGET_REG_BITS > TARGET_LONG_BITS) { - tcg_out_ext32u(s, base, addr_regl); - addr_regl = base; - } a_bits = get_alignment_bits(opc); if (a_bits) { tcg_out_test_alignment(s, false, addr_regl, a_bits); } + base = addr_regl; + if (TCG_TARGET_REG_BITS > TARGET_LONG_BITS) { + tcg_out_ext32u(s, TCG_REG_TMP0, base); + base = TCG_REG_TMP0; + } if (guest_base != 0) { - tcg_out_opc_reg(s, OPC_ADD, base, TCG_GUEST_BASE_REG, addr_regl); + tcg_out_opc_reg(s, OPC_ADD, TCG_REG_TMP0, TCG_GUEST_BASE_REG, base); + base = TCG_REG_TMP0; } tcg_out_qemu_st_direct(s, data_regl, data_regh, base, opc); #endif diff --git a/tests/tcg/Makefile.target b/tests/tcg/Makefile.target index 75257f2b29..14bc013181 100644 --- a/tests/tcg/Makefile.target +++ b/tests/tcg/Makefile.target @@ -117,6 +117,8 @@ endif %: %.c $(CC) $(CFLAGS) $(EXTRA_CFLAGS) $< -o $@ $(LDFLAGS) +%: %.S + $(CC) $(CFLAGS) $(EXTRA_CFLAGS) $< -o $@ $(LDFLAGS) else # For softmmu targets we include a different Makefile fragement as the # build options for bare programs are usually pretty different. They diff --git a/tests/tcg/riscv64/Makefile.target b/tests/tcg/riscv64/Makefile.target index b5b89dfb0e..cc3ed65ffd 100644 --- a/tests/tcg/riscv64/Makefile.target +++ b/tests/tcg/riscv64/Makefile.target @@ -4,3 +4,9 @@ VPATH += $(SRC_PATH)/tests/tcg/riscv64 TESTS += test-div TESTS += noexec + +# Disable compressed instructions for test-noc +TESTS += test-noc +test-noc: LDFLAGS = -nostdlib -static +run-test-noc: QEMU_OPTS += -cpu rv64,c=false +run-plugin-test-noc-%: QEMU_OPTS += -cpu rv64,c=false diff --git a/tests/tcg/riscv64/test-noc.S b/tests/tcg/riscv64/test-noc.S new file mode 100644 index 0000000000..e29d60c8b3 --- /dev/null +++ b/tests/tcg/riscv64/test-noc.S @@ -0,0 +1,32 @@ +#include <asm/unistd.h> + + .text + .globl _start +_start: + .option norvc + li a0, 4 /* SIGILL */ + la a1, sa + li a2, 0 + li a3, 8 + li a7, __NR_rt_sigaction + scall + + .option rvc + li a0, 1 + j exit + .option norvc + +pass: + li a0, 0 +exit: + li a7, __NR_exit + scall + + .data + /* struct kernel_sigaction sa = { .sa_handler = pass }; */ + .type sa, @object + .size sa, 32 +sa: + .dword pass + .zero 24 + |