On Thu, Oct 16, 2014 at 10:54 PM, Alistair Francis <alistai...@gmail.com> wrote: > This patch allows the board to specifiy the number of NVIC interrupt > lines when using armv7m_init. > > Signed-off-by: Alistair Francis <alistai...@gmail.com>
Reviewed-by: Peter Crosthwaite <peter.crosthwa...@xilinx.com> > --- > hw/arm/armv7m.c | 7 ++++--- > hw/arm/stellaris.c | 5 ++++- > include/hw/arm/arm.h | 2 +- > 3 files changed, 9 insertions(+), 5 deletions(-) > > diff --git a/hw/arm/armv7m.c b/hw/arm/armv7m.c > index 50281f7..7169027 100644 > --- a/hw/arm/armv7m.c > +++ b/hw/arm/armv7m.c > @@ -166,14 +166,14 @@ static void armv7m_reset(void *opaque) > mem_size is in bytes. > Returns the NVIC array. */ > > -qemu_irq *armv7m_init(MemoryRegion *system_memory, int mem_size, > +qemu_irq *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; > /* FIXME: make this local state. */ > - static qemu_irq pic[64]; > + qemu_irq *pic = g_new(qemu_irq, num_irq); > int image_size; > uint64_t entry; > uint64_t lowaddr; > @@ -194,11 +194,12 @@ qemu_irq *armv7m_init(MemoryRegion *system_memory, int > mem_size, > armv7m_bitband_init(); > > 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)); > - for (i = 0; i < 64; i++) { > + for (i = 0; i < num_irq; i++) { > pic[i] = qdev_get_gpio_in(nvic, i); > } > > diff --git a/hw/arm/stellaris.c b/hw/arm/stellaris.c > index d0c61c5..6fad10f 100644 > --- a/hw/arm/stellaris.c > +++ b/hw/arm/stellaris.c > @@ -29,6 +29,8 @@ > #define BP_OLED_SSI 0x02 > #define BP_GAMEPAD 0x04 > > +#define NUM_IRQ_LINES 64 > + > typedef const struct { > const char *name; > uint32_t did0; > @@ -1239,7 +1241,8 @@ static void stellaris_init(const char *kernel_filename, > const char *cpu_model, > vmstate_register_ram_global(sram); > memory_region_add_subregion(system_memory, 0x20000000, sram); > > - pic = armv7m_init(system_memory, flash_size, kernel_filename, cpu_model); > + pic = armv7m_init(system_memory, flash_size, NUM_IRQ_LINES, > + kernel_filename, cpu_model); > > if (board->dc1 & (1 << 16)) { > dev = sysbus_create_varargs(TYPE_STELLARIS_ADC, 0x40038000, > diff --git a/include/hw/arm/arm.h b/include/hw/arm/arm.h > index a112930..94e55a4 100644 > --- a/include/hw/arm/arm.h > +++ b/include/hw/arm/arm.h > @@ -15,7 +15,7 @@ > #include "hw/irq.h" > > /* armv7m.c */ > -qemu_irq *armv7m_init(MemoryRegion *system_memory, int mem_size, > +qemu_irq *armv7m_init(MemoryRegion *system_memory, int mem_size, int num_irq, > const char *kernel_filename, const char *cpu_model); > > /* arm_boot.c */ > -- > 1.9.1 > >