diff options
Diffstat (limited to 'target-arm/cpu.c')
| -rw-r--r-- | target-arm/cpu.c | 75 |
1 files changed, 74 insertions, 1 deletions
diff --git a/target-arm/cpu.c b/target-arm/cpu.c index d3906a4829..b2556c66b4 100644 --- a/target-arm/cpu.c +++ b/target-arm/cpu.c @@ -23,7 +23,9 @@ #if !defined(CONFIG_USER_ONLY) #include "hw/loader.h" #endif +#include "hw/arm/arm.h" #include "sysemu/sysemu.h" +#include "sysemu/kvm.h" static void arm_cpu_set_pc(CPUState *cs, vaddr value) { @@ -129,6 +131,55 @@ static void arm_cpu_reset(CPUState *s) tb_flush(env); } +#ifndef CONFIG_USER_ONLY +static void arm_cpu_set_irq(void *opaque, int irq, int level) +{ + ARMCPU *cpu = opaque; + CPUState *cs = CPU(cpu); + + switch (irq) { + case ARM_CPU_IRQ: + if (level) { + cpu_interrupt(cs, CPU_INTERRUPT_HARD); + } else { + cpu_reset_interrupt(cs, CPU_INTERRUPT_HARD); + } + break; + case ARM_CPU_FIQ: + if (level) { + cpu_interrupt(cs, CPU_INTERRUPT_FIQ); + } else { + cpu_reset_interrupt(cs, CPU_INTERRUPT_FIQ); + } + break; + default: + hw_error("arm_cpu_set_irq: Bad interrupt line %d\n", irq); + } +} + +static void arm_cpu_kvm_set_irq(void *opaque, int irq, int level) +{ +#ifdef CONFIG_KVM + ARMCPU *cpu = opaque; + CPUState *cs = CPU(cpu); + int kvm_irq = KVM_ARM_IRQ_TYPE_CPU << KVM_ARM_IRQ_TYPE_SHIFT; + + switch (irq) { + case ARM_CPU_IRQ: + kvm_irq |= KVM_ARM_IRQ_CPU_IRQ; + break; + case ARM_CPU_FIQ: + kvm_irq |= KVM_ARM_IRQ_CPU_FIQ; + break; + default: + hw_error("arm_cpu_kvm_set_irq: Bad interrupt line %d\n", irq); + } + kvm_irq |= cs->cpu_index << KVM_ARM_IRQ_VCPU_SHIFT; + kvm_set_irq(kvm_state, kvm_irq, level ? 1 : 0); +#endif +} +#endif + static inline void set_feature(CPUARMState *env, int feature) { env->features |= 1ULL << feature; @@ -145,6 +196,22 @@ static void arm_cpu_initfn(Object *obj) cpu->cp_regs = g_hash_table_new_full(g_int_hash, g_int_equal, g_free, g_free); +#ifndef CONFIG_USER_ONLY + /* Our inbound IRQ and FIQ lines */ + if (kvm_enabled()) { + qdev_init_gpio_in(DEVICE(cpu), arm_cpu_kvm_set_irq, 2); + } else { + qdev_init_gpio_in(DEVICE(cpu), arm_cpu_set_irq, 2); + } + + cpu->gt_timer[GTIMER_PHYS] = timer_new(QEMU_CLOCK_VIRTUAL, GTIMER_SCALE, + arm_gt_ptimer_cb, cpu); + cpu->gt_timer[GTIMER_VIRT] = timer_new(QEMU_CLOCK_VIRTUAL, GTIMER_SCALE, + arm_gt_vtimer_cb, cpu); + qdev_init_gpio_out(DEVICE(cpu), cpu->gt_timer_outputs, + ARRAY_SIZE(cpu->gt_timer_outputs)); +#endif + if (tcg_enabled() && !inited) { inited = true; arm_translate_init(); @@ -159,6 +226,7 @@ static void arm_cpu_finalizefn(Object *obj) static void arm_cpu_realizefn(DeviceState *dev, Error **errp) { + CPUState *cs = CPU(dev); ARMCPU *cpu = ARM_CPU(dev); ARMCPUClass *acc = ARM_CPU_GET_CLASS(dev); CPUARMState *env = &cpu->env; @@ -214,7 +282,8 @@ static void arm_cpu_realizefn(DeviceState *dev, Error **errp) init_cpreg_list(cpu); - cpu_reset(CPU(cpu)); + cpu_reset(cs); + qemu_init_vcpu(cs); acc->parent_realize(dev, errp); } @@ -824,10 +893,14 @@ static void arm_cpu_class_init(ObjectClass *oc, void *data) cc->do_interrupt = arm_cpu_do_interrupt; cc->dump_state = arm_cpu_dump_state; cc->set_pc = arm_cpu_set_pc; + cc->gdb_read_register = arm_cpu_gdb_read_register; + cc->gdb_write_register = arm_cpu_gdb_write_register; #ifndef CONFIG_USER_ONLY cc->get_phys_page_debug = arm_cpu_get_phys_page_debug; cc->vmsd = &vmstate_arm_cpu; #endif + cc->gdb_num_core_regs = 26; + cc->gdb_core_xml_file = "arm-core.xml"; } static void cpu_register(const ARMCPUInfo *info) |