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armv7m: Use QOMified armv7m object in armv7m_init() 

Make the legacy armv7m_init() function use the newly QOMified
armv7m object rather than doing everything by hand.

We can return the armv7m object rather than the NVIC from
armv7m_init() because its interface to the rest of the
board (GPIOs, etc) is identical.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Alistair Francis <alistair.francis@xilinx.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-id: 1487604965-23220-5-git-send-email-peter.maydell@linaro.org
This commit is contained in:
Peter Maydell 2017-02-20 15:35:58 +00:00
parent 56b7c66f49
commit 21e0c38fe2
1 changed files with 10 additions and 35 deletions
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45
hw/arm/armv7m.c
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@ -131,21 +131,6 @@ static void bitband_init(Object *obj)
sysbus_init_mmio(dev, &s->iomem);
}
static void armv7m_bitband_init(void)
{
DeviceState *dev;
dev = qdev_create(NULL, TYPE_BITBAND);
qdev_prop_set_uint32(dev, "base", 0x20000000);
qdev_init_nofail(dev);
sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, 0x22000000);
dev = qdev_create(NULL, TYPE_BITBAND);
qdev_prop_set_uint32(dev, "base", 0x40000000);
qdev_init_nofail(dev);
sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, 0x42000000);
}
/* Board init. */
static const hwaddr bitband_input_addr[ARMV7M_NUM_BITBANDS] = {
@ -282,35 +267,25 @@ static void armv7m_reset(void *opaque)
/* Init CPU and memory for a v7-M based board.
mem_size is in bytes.
Returns the NVIC array. */
Returns the ARMv7M device. */
DeviceState *armv7m_init(MemoryRegion *system_memory, int mem_size, int num_irq,
const char *kernel_filename, const char *cpu_model)
{
ARMCPU *cpu;
CPUARMState *env;
DeviceState *nvic;
DeviceState *armv7m;
if (cpu_model == NULL) {
cpu_model = "cortex-m3";
cpu_model = "cortex-m3";
}
cpu = cpu_arm_init(cpu_model);
if (cpu == NULL) {
fprintf(stderr, "Unable to find CPU definition\n");
exit(1);
}
env = &cpu->env;
armv7m_bitband_init();
armv7m = qdev_create(NULL, "armv7m");
qdev_prop_set_uint32(armv7m, "num-irq", num_irq);
qdev_prop_set_string(armv7m, "cpu-model", cpu_model);
/* This will exit with an error if the user passed us a bad cpu_model */
qdev_init_nofail(armv7m);
nvic = qdev_create(NULL, "armv7m_nvic");
qdev_prop_set_uint32(nvic, "num-irq", num_irq);
env->nvic = nvic;
qdev_init_nofail(nvic);
sysbus_connect_irq(SYS_BUS_DEVICE(nvic), 0,
qdev_get_gpio_in(DEVICE(cpu), ARM_CPU_IRQ));
armv7m_load_kernel(cpu, kernel_filename, mem_size);
return nvic;
armv7m_load_kernel(ARM_CPU(first_cpu), kernel_filename, mem_size);
return armv7m;
}
void armv7m_load_kernel(ARMCPU *cpu, const char *kernel_filename, int mem_size)