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authorAlistair Francis <alistair23@gmail.com>2015-02-05 13:37:21 +0000
committerPeter Maydell <peter.maydell@linaro.org>2015-02-05 13:37:21 +0000
commit8b47b7da29121ecddb173dd4afb82d6fb0eece37 (patch)
tree0c86cfbff657110d7a129c2a8daccda1335c14a5 /hw
parentfe6ac447add80978c1bf988c3ef4a7ce8aab2fa0 (diff)
target_arm: Parameterise the irq lines for armv7m_init
This patch allows the board to specifiy the number of NVIC interrupt lines when using armv7m_init. Signed-off-by: Alistair Francis <alistair23@gmail.com> Reviewed-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com> Message-id: 5a0b0fcc778df0340899f488053acc9493679e03.1422077994.git.alistair23@gmail.com [PMM: removed stale FIXME comment] Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'hw')
-rw-r--r--hw/arm/armv7m.c8
-rw-r--r--hw/arm/stellaris.c5
2 files changed, 8 insertions, 5 deletions
diff --git a/hw/arm/armv7m.c b/hw/arm/armv7m.c
index 50281f7aa8..c6eab6de30 100644
--- a/hw/arm/armv7m.c
+++ b/hw/arm/armv7m.c
@@ -166,14 +166,13 @@ 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 +193,12 @@ 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 8e9c30b786..cb515ec765 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,