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X-Received-From: 192.55.52.115 Subject: [Qemu-devel] [PATCH v3 08/10] hw/arm: Replace global smp variables with machine smp properties X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Peter Maydell , Eduardo Habkost , qemu-devel@nongnu.org, "Dr . David Alan Gilbert" , Alistair Francis , Igor Mammedov Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" The global smp variables in arm are replaced with smp machine properties. The init_cpus() and *_create_rpu() are refactored to pass MachineState. A local variable of the same name would be introduced in the declaration phase if it's used widely in the context OR replace it on the spot if it's only used once. No semantic changes. Signed-off-by: Like Xu Reviewed-by: Alistair Francis --- hw/arm/fsl-imx6.c | 6 +++++- hw/arm/fsl-imx6ul.c | 6 +++++- hw/arm/fsl-imx7.c | 7 +++++-- hw/arm/highbank.c | 1 + hw/arm/mcimx6ul-evk.c | 2 +- hw/arm/mcimx7d-sabre.c | 2 +- hw/arm/raspi.c | 4 ++-- hw/arm/realview.c | 1 + hw/arm/sabrelite.c | 2 +- hw/arm/vexpress.c | 16 ++++++++++------ hw/arm/virt.c | 8 +++++++- hw/arm/xlnx-zynqmp.c | 16 ++++++++++------ target/arm/cpu.c | 8 +++++++- 13 files changed, 56 insertions(+), 23 deletions(-) diff --git a/hw/arm/fsl-imx6.c b/hw/arm/fsl-imx6.c index 7b7b97f74c..ed772d5bd9 100644 --- a/hw/arm/fsl-imx6.c +++ b/hw/arm/fsl-imx6.c @@ -23,6 +23,7 @@ #include "qapi/error.h" #include "qemu-common.h" #include "hw/arm/fsl-imx6.h" +#include "hw/boards.h" #include "sysemu/sysemu.h" #include "chardev/char.h" #include "qemu/error-report.h" @@ -33,11 +34,12 @@ static void fsl_imx6_init(Object *obj) { + MachineState *ms = MACHINE(qdev_get_machine()); FslIMX6State *s = FSL_IMX6(obj); char name[NAME_SIZE]; int i; - for (i = 0; i < MIN(smp_cpus, FSL_IMX6_NUM_CPUS); i++) { + for (i = 0; i < MIN(ms->smp.cpus, FSL_IMX6_NUM_CPUS); i++) { snprintf(name, NAME_SIZE, "cpu%d", i); object_initialize_child(obj, name, &s->cpu[i], sizeof(s->cpu[i]), "cortex-a9-" TYPE_ARM_CPU, &error_abort, NULL); @@ -93,9 +95,11 @@ static void fsl_imx6_init(Object *obj) static void fsl_imx6_realize(DeviceState *dev, Error **errp) { + MachineState *ms = MACHINE(qdev_get_machine()); FslIMX6State *s = FSL_IMX6(dev); uint16_t i; Error *err = NULL; + unsigned int smp_cpus = ms->smp.cpus; if (smp_cpus > FSL_IMX6_NUM_CPUS) { error_setg(errp, "%s: Only %d CPUs are supported (%d requested)", diff --git a/hw/arm/fsl-imx6ul.c b/hw/arm/fsl-imx6ul.c index 4b56bfa8d1..74b8ecbbb6 100644 --- a/hw/arm/fsl-imx6ul.c +++ b/hw/arm/fsl-imx6ul.c @@ -21,6 +21,7 @@ #include "qemu-common.h" #include "hw/arm/fsl-imx6ul.h" #include "hw/misc/unimp.h" +#include "hw/boards.h" #include "sysemu/sysemu.h" #include "qemu/error-report.h" @@ -28,11 +29,12 @@ static void fsl_imx6ul_init(Object *obj) { + MachineState *ms = MACHINE(qdev_get_machine()); FslIMX6ULState *s = FSL_IMX6UL(obj); char name[NAME_SIZE]; int i; - for (i = 0; i < MIN(smp_cpus, FSL_IMX6UL_NUM_CPUS); i++) { + for (i = 0; i < MIN(ms->smp.cpus, FSL_IMX6UL_NUM_CPUS); i++) { snprintf(name, NAME_SIZE, "cpu%d", i); object_initialize_child(obj, name, &s->cpu[i], sizeof(s->cpu[i]), "cortex-a7-" TYPE_ARM_CPU, &error_abort, NULL); @@ -156,10 +158,12 @@ static void fsl_imx6ul_init(Object *obj) static void fsl_imx6ul_realize(DeviceState *dev, Error **errp) { + MachineState *ms = MACHINE(qdev_get_machine()); FslIMX6ULState *s = FSL_IMX6UL(dev); int i; qemu_irq irq; char name[NAME_SIZE]; + unsigned int smp_cpus = ms->smp.cpus; if (smp_cpus > FSL_IMX6UL_NUM_CPUS) { error_setg(errp, "%s: Only %d CPUs are supported (%d requested)", diff --git a/hw/arm/fsl-imx7.c b/hw/arm/fsl-imx7.c index 7663ad6861..71cc414de6 100644 --- a/hw/arm/fsl-imx7.c +++ b/hw/arm/fsl-imx7.c @@ -23,6 +23,7 @@ #include "qemu-common.h" #include "hw/arm/fsl-imx7.h" #include "hw/misc/unimp.h" +#include "hw/boards.h" #include "sysemu/sysemu.h" #include "qemu/error-report.h" @@ -30,12 +31,12 @@ static void fsl_imx7_init(Object *obj) { + MachineState *ms = MACHINE(qdev_get_machine()); FslIMX7State *s = FSL_IMX7(obj); char name[NAME_SIZE]; int i; - - for (i = 0; i < MIN(smp_cpus, FSL_IMX7_NUM_CPUS); i++) { + for (i = 0; i < MIN(ms->smp.cpus, FSL_IMX7_NUM_CPUS); i++) { snprintf(name, NAME_SIZE, "cpu%d", i); object_initialize_child(obj, name, &s->cpu[i], sizeof(s->cpu[i]), ARM_CPU_TYPE_NAME("cortex-a7"), &error_abort, @@ -155,11 +156,13 @@ static void fsl_imx7_init(Object *obj) static void fsl_imx7_realize(DeviceState *dev, Error **errp) { + MachineState *ms = MACHINE(qdev_get_machine()); FslIMX7State *s = FSL_IMX7(dev); Object *o; int i; qemu_irq irq; char name[NAME_SIZE]; + unsigned int smp_cpus = ms->smp.cpus; if (smp_cpus > FSL_IMX7_NUM_CPUS) { error_setg(errp, "%s: Only %d CPUs are supported (%d requested)", diff --git a/hw/arm/highbank.c b/hw/arm/highbank.c index 96ccf18d86..f3b1712fc9 100644 --- a/hw/arm/highbank.c +++ b/hw/arm/highbank.c @@ -240,6 +240,7 @@ static void calxeda_init(MachineState *machine, enum cxmachines machine_id) SysBusDevice *busdev; qemu_irq pic[128]; int n; + unsigned int smp_cpus = machine->smp.cpus; qemu_irq cpu_irq[4]; qemu_irq cpu_fiq[4]; qemu_irq cpu_virq[4]; diff --git a/hw/arm/mcimx6ul-evk.c b/hw/arm/mcimx6ul-evk.c index fb2b015bf6..47c44dd83a 100644 --- a/hw/arm/mcimx6ul-evk.c +++ b/hw/arm/mcimx6ul-evk.c @@ -43,7 +43,7 @@ static void mcimx6ul_evk_init(MachineState *machine) .kernel_filename = machine->kernel_filename, .kernel_cmdline = machine->kernel_cmdline, .initrd_filename = machine->initrd_filename, - .nb_cpus = smp_cpus, + .nb_cpus = machine->smp.cpus, }; object_initialize_child(OBJECT(machine), "soc", &s->soc, sizeof(s->soc), diff --git a/hw/arm/mcimx7d-sabre.c b/hw/arm/mcimx7d-sabre.c index 9c5f0e70c3..a8df0cce6e 100644 --- a/hw/arm/mcimx7d-sabre.c +++ b/hw/arm/mcimx7d-sabre.c @@ -46,7 +46,7 @@ static void mcimx7d_sabre_init(MachineState *machine) .kernel_filename = machine->kernel_filename, .kernel_cmdline = machine->kernel_cmdline, .initrd_filename = machine->initrd_filename, - .nb_cpus = smp_cpus, + .nb_cpus = machine->smp.cpus, }; object_initialize(&s->soc, sizeof(s->soc), TYPE_FSL_IMX7); diff --git a/hw/arm/raspi.c b/hw/arm/raspi.c index fe2bb511b9..d3e4c201c0 100644 --- a/hw/arm/raspi.c +++ b/hw/arm/raspi.c @@ -117,7 +117,7 @@ static void setup_boot(MachineState *machine, int version, size_t ram_size) binfo.board_id = raspi_boardid[version]; binfo.ram_size = ram_size; - binfo.nb_cpus = smp_cpus; + binfo.nb_cpus = machine->smp.cpus; if (version <= 2) { /* The rpi1 and 2 require some custom setup code to run in Secure @@ -196,7 +196,7 @@ static void raspi_init(MachineState *machine, int version) /* Setup the SOC */ object_property_add_const_link(OBJECT(&s->soc), "ram", OBJECT(&s->ram), &error_abort); - object_property_set_int(OBJECT(&s->soc), smp_cpus, "enabled-cpus", + object_property_set_int(OBJECT(&s->soc), machine->smp.cpus, "enabled-cpus", &error_abort); int board_rev = version == 3 ? 0xa02082 : 0xa21041; object_property_set_int(OBJECT(&s->soc), board_rev, "board-rev", diff --git a/hw/arm/realview.c b/hw/arm/realview.c index 05a244df25..f470f21b0d 100644 --- a/hw/arm/realview.c +++ b/hw/arm/realview.c @@ -70,6 +70,7 @@ static void realview_init(MachineState *machine, NICInfo *nd; I2CBus *i2c; int n; + unsigned int smp_cpus = machine->smp.cpus; int done_nic = 0; qemu_irq cpu_irq[4]; int is_mpcore = 0; diff --git a/hw/arm/sabrelite.c b/hw/arm/sabrelite.c index ee140e5d9e..f9e7dc5a00 100644 --- a/hw/arm/sabrelite.c +++ b/hw/arm/sabrelite.c @@ -107,7 +107,7 @@ static void sabrelite_init(MachineState *machine) sabrelite_binfo.kernel_filename = machine->kernel_filename; sabrelite_binfo.kernel_cmdline = machine->kernel_cmdline; sabrelite_binfo.initrd_filename = machine->initrd_filename; - sabrelite_binfo.nb_cpus = smp_cpus; + sabrelite_binfo.nb_cpus = machine->smp.cpus; sabrelite_binfo.secure_boot = true; sabrelite_binfo.write_secondary_boot = sabrelite_write_secondary; sabrelite_binfo.secondary_cpu_reset_hook = sabrelite_reset_secondary; diff --git a/hw/arm/vexpress.c b/hw/arm/vexpress.c index d8634f3dd2..6d93d9f0bf 100644 --- a/hw/arm/vexpress.c +++ b/hw/arm/vexpress.c @@ -203,12 +203,14 @@ struct VEDBoardInfo { DBoardInitFn *init; }; -static void init_cpus(const char *cpu_type, const char *privdev, - hwaddr periphbase, qemu_irq *pic, bool secure, bool virt) +static void init_cpus(MachineState *ms, const char *cpu_type, + const char *privdev, hwaddr periphbase, + qemu_irq *pic, bool secure, bool virt) { DeviceState *dev; SysBusDevice *busdev; int n; + unsigned int smp_cpus = ms->smp.cpus; /* Create the actual CPUs */ for (n = 0; n < smp_cpus; n++) { @@ -269,6 +271,7 @@ static void a9_daughterboard_init(const VexpressMachineState *vms, const char *cpu_type, qemu_irq *pic) { + MachineState *machine = MACHINE(vms); MemoryRegion *sysmem = get_system_memory(); MemoryRegion *ram = g_new(MemoryRegion, 1); MemoryRegion *lowram = g_new(MemoryRegion, 1); @@ -295,7 +298,7 @@ static void a9_daughterboard_init(const VexpressMachineState *vms, memory_region_add_subregion(sysmem, 0x60000000, ram); /* 0x1e000000 A9MPCore (SCU) private memory region */ - init_cpus(cpu_type, TYPE_A9MPCORE_PRIV, 0x1e000000, pic, + init_cpus(machine, cpu_type, TYPE_A9MPCORE_PRIV, 0x1e000000, pic, vms->secure, vms->virt); /* Daughterboard peripherals : 0x10020000 .. 0x20000000 */ @@ -355,6 +358,7 @@ static void a15_daughterboard_init(const VexpressMachineState *vms, const char *cpu_type, qemu_irq *pic) { + MachineState *machine = MACHINE(vms); MemoryRegion *sysmem = get_system_memory(); MemoryRegion *ram = g_new(MemoryRegion, 1); MemoryRegion *sram = g_new(MemoryRegion, 1); @@ -377,8 +381,8 @@ static void a15_daughterboard_init(const VexpressMachineState *vms, memory_region_add_subregion(sysmem, 0x80000000, ram); /* 0x2c000000 A15MPCore private memory region (GIC) */ - init_cpus(cpu_type, TYPE_A15MPCORE_PRIV, 0x2c000000, pic, vms->secure, - vms->virt); + init_cpus(machine, cpu_type, TYPE_A15MPCORE_PRIV, + 0x2c000000, pic, vms->secure, vms->virt); /* A15 daughterboard peripherals: */ @@ -706,7 +710,7 @@ static void vexpress_common_init(MachineState *machine) daughterboard->bootinfo.kernel_filename = machine->kernel_filename; daughterboard->bootinfo.kernel_cmdline = machine->kernel_cmdline; daughterboard->bootinfo.initrd_filename = machine->initrd_filename; - daughterboard->bootinfo.nb_cpus = smp_cpus; + daughterboard->bootinfo.nb_cpus = machine->smp.cpus; daughterboard->bootinfo.board_id = VEXPRESS_BOARD_ID; daughterboard->bootinfo.loader_start = daughterboard->loader_start; daughterboard->bootinfo.smp_loader_start = map[VE_SRAM]; diff --git a/hw/arm/virt.c b/hw/arm/virt.c index 6b2f2e96d3..00852dbe81 100644 --- a/hw/arm/virt.c +++ b/hw/arm/virt.c @@ -556,11 +556,13 @@ static void create_v2m(VirtMachineState *vms, qemu_irq *pic) static void create_gic(VirtMachineState *vms, qemu_irq *pic) { + MachineState *ms = MACHINE(vms); /* We create a standalone GIC */ DeviceState *gicdev; SysBusDevice *gicbusdev; const char *gictype; int type = vms->gic_version, i; + unsigned int smp_cpus = ms->smp.cpus; uint32_t nb_redist_regions = 0; gictype = (type == 3) ? gicv3_class_name() : gic_class_name(); @@ -1036,13 +1038,14 @@ static bool virt_firmware_init(VirtMachineState *vms, static FWCfgState *create_fw_cfg(const VirtMachineState *vms, AddressSpace *as) { + MachineState *ms = MACHINE(vms); hwaddr base = vms->memmap[VIRT_FW_CFG].base; hwaddr size = vms->memmap[VIRT_FW_CFG].size; FWCfgState *fw_cfg; char *nodename; fw_cfg = fw_cfg_init_mem_wide(base + 8, base, 8, base + 16, as); - fw_cfg_add_i16(fw_cfg, FW_CFG_NB_CPUS, (uint16_t)smp_cpus); + fw_cfg_add_i16(fw_cfg, FW_CFG_NB_CPUS, (uint16_t)ms->smp.cpus); nodename = g_strdup_printf("/fw-cfg@%" PRIx64, base); qemu_fdt_add_subnode(vms->fdt, nodename); @@ -1475,6 +1478,8 @@ static void machvirt_init(MachineState *machine) MemoryRegion *ram = g_new(MemoryRegion, 1); bool firmware_loaded; bool aarch64 = true; + unsigned int smp_cpus = machine->smp.cpus; + unsigned int max_cpus = machine->smp.max_cpus; /* * In accelerated mode, the memory map is computed earlier in kvm_type() @@ -1842,6 +1847,7 @@ static int64_t virt_get_default_cpu_node_id(const MachineState *ms, int idx) static const CPUArchIdList *virt_possible_cpu_arch_ids(MachineState *ms) { int n; + unsigned int max_cpus = ms->smp.max_cpus; VirtMachineState *vms = VIRT_MACHINE(ms); if (ms->possible_cpus) { diff --git a/hw/arm/xlnx-zynqmp.c b/hw/arm/xlnx-zynqmp.c index 4f8bc41d9d..fc8e1a9550 100644 --- a/hw/arm/xlnx-zynqmp.c +++ b/hw/arm/xlnx-zynqmp.c @@ -21,6 +21,7 @@ #include "cpu.h" #include "hw/arm/xlnx-zynqmp.h" #include "hw/intc/arm_gic_common.h" +#include "hw/boards.h" #include "exec/address-spaces.h" #include "sysemu/kvm.h" #include "kvm_arm.h" @@ -171,12 +172,13 @@ static inline int arm_gic_ppi_index(int cpu_nr, int ppi_index) return GIC_NUM_SPI_INTR + cpu_nr * GIC_INTERNAL + ppi_index; } -static void xlnx_zynqmp_create_rpu(XlnxZynqMPState *s, const char *boot_cpu, - Error **errp) +static void xlnx_zynqmp_create_rpu(MachineState *ms, XlnxZynqMPState *s, + const char *boot_cpu, Error **errp) { Error *err = NULL; int i; - int num_rpus = MIN(smp_cpus - XLNX_ZYNQMP_NUM_APU_CPUS, XLNX_ZYNQMP_NUM_RPU_CPUS); + int num_rpus = MIN(ms->smp.cpus - XLNX_ZYNQMP_NUM_APU_CPUS, + XLNX_ZYNQMP_NUM_RPU_CPUS); if (num_rpus <= 0) { /* Don't create rpu-cluster object if there's nothing to put in it */ @@ -221,9 +223,10 @@ static void xlnx_zynqmp_create_rpu(XlnxZynqMPState *s, const char *boot_cpu, static void xlnx_zynqmp_init(Object *obj) { + MachineState *ms = MACHINE(qdev_get_machine()); XlnxZynqMPState *s = XLNX_ZYNQMP(obj); int i; - int num_apus = MIN(smp_cpus, XLNX_ZYNQMP_NUM_APU_CPUS); + int num_apus = MIN(ms->smp.cpus, XLNX_ZYNQMP_NUM_APU_CPUS); object_initialize_child(obj, "apu-cluster", &s->apu_cluster, sizeof(s->apu_cluster), TYPE_CPU_CLUSTER, @@ -290,11 +293,12 @@ static void xlnx_zynqmp_init(Object *obj) static void xlnx_zynqmp_realize(DeviceState *dev, Error **errp) { + MachineState *ms = MACHINE(qdev_get_machine()); XlnxZynqMPState *s = XLNX_ZYNQMP(dev); MemoryRegion *system_memory = get_system_memory(); uint8_t i; uint64_t ram_size; - int num_apus = MIN(smp_cpus, XLNX_ZYNQMP_NUM_APU_CPUS); + int num_apus = MIN(ms->smp.cpus, XLNX_ZYNQMP_NUM_APU_CPUS); const char *boot_cpu = s->boot_cpu ? s->boot_cpu : "apu-cpu[0]"; ram_addr_t ddr_low_size, ddr_high_size; qemu_irq gic_spi[GIC_NUM_SPI_INTR]; @@ -456,7 +460,7 @@ static void xlnx_zynqmp_realize(DeviceState *dev, Error **errp) "RPUs just use -smp 6."); } - xlnx_zynqmp_create_rpu(s, boot_cpu, &err); + xlnx_zynqmp_create_rpu(ms, s, boot_cpu, &err); if (err) { error_propagate(errp, err); return; diff --git a/target/arm/cpu.c b/target/arm/cpu.c index 8eee1d8c59..c8cba212e4 100644 --- a/target/arm/cpu.c +++ b/target/arm/cpu.c @@ -29,6 +29,7 @@ #include "hw/qdev-properties.h" #if !defined(CONFIG_USER_ONLY) #include "hw/loader.h" +#include "hw/boards.h" #endif #include "hw/arm/arm.h" #include "sysemu/sysemu.h" @@ -1194,6 +1195,9 @@ static void arm_cpu_realizefn(DeviceState *dev, Error **errp) init_cpreg_list(cpu); #ifndef CONFIG_USER_ONLY + MachineState *ms = MACHINE(qdev_get_machine()); + unsigned int smp_cpus = ms->smp.cpus; + if (cpu->has_el3 || arm_feature(env, ARM_FEATURE_M_SECURITY)) { cs->num_ases = 2; @@ -1732,10 +1736,12 @@ static void cortex_a9_initfn(Object *obj) #ifndef CONFIG_USER_ONLY static uint64_t a15_l2ctlr_read(CPUARMState *env, const ARMCPRegInfo *ri) { + MachineState *ms = MACHINE(qdev_get_machine()); + /* Linux wants the number of processors from here. * Might as well set the interrupt-controller bit too. */ - return ((smp_cpus - 1) << 24) | (1 << 23); + return ((ms->smp.cpus - 1) << 24) | (1 << 23); } #endif