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[Qemu-devel] [Patch v2 5/8] target_arm: Parameterise the irq lines for a
From: |
Alistair Francis |
Subject: |
[Qemu-devel] [Patch v2 5/8] target_arm: Parameterise the irq lines for armv7m_init |
Date: |
Fri, 19 Sep 2014 14:54:39 +1000 |
This patch allows the board to specifiy the number of NVIC interrupt
lines when using armv7m_init.
Signed-off-by: Alistair Francis <address@hidden>
---
hw/arm/armv7m.c | 7 ++++---
hw/arm/stellaris.c | 4 +++-
include/hw/arm/arm.h | 2 +-
3 files changed, 8 insertions(+), 5 deletions(-)
diff --git a/hw/arm/armv7m.c b/hw/arm/armv7m.c
index 5c1f7b3..5e684a0 100644
--- a/hw/arm/armv7m.c
+++ b/hw/arm/armv7m.c
@@ -167,14 +167,14 @@ static void armv7m_reset(void *opaque)
Returns the NVIC array. */
qemu_irq *armv7m_init(MemoryRegion *system_memory,
- int flash_size, int sram_size,
+ int flash_size, int sram_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;
@@ -207,11 +207,12 @@ qemu_irq *armv7m_init(MemoryRegion *system_memory,
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 9738722..b7cd753 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;
@@ -1238,7 +1240,7 @@ static void stellaris_init(const char *kernel_filename,
const char *cpu_model,
memory_region_add_subregion(system_memory, 0x20000000, sram);
pic = armv7m_init(system_memory, flash_size, sram_size,
- kernel_filename, cpu_model);
+ 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 cefc9e6..3e7c463 100644
--- a/include/hw/arm/arm.h
+++ b/include/hw/arm/arm.h
@@ -16,7 +16,7 @@
/* armv7m.c */
qemu_irq *armv7m_init(MemoryRegion *system_memory,
- int flash_size, int sram_size,
+ int flash_size, int sram_size, int num_irq,
const char *kernel_filename, const char *cpu_model);
/* arm_boot.c */
--
1.9.1
- [Qemu-devel] [Patch v2 0/8] Netduino 2 Machine Model, Alistair Francis, 2014/09/19
- [Qemu-devel] [Patch v2 1/8] stm32f205_timer: Add the stm32f205 Timer, Alistair Francis, 2014/09/19
- [Qemu-devel] [Patch v2 2/8] stm32f205_USART: Add the stm32f205 USART Controller, Alistair Francis, 2014/09/19
- [Qemu-devel] [Patch v2 3/8] stm32f205_SYSCFG: Add the stm32f205 SYSCFG, Alistair Francis, 2014/09/19
- [Qemu-devel] [Patch v2 4/8] target_arm: Remove memory region init from armv7m_init, Alistair Francis, 2014/09/19
- [Qemu-devel] [Patch v2 5/8] target_arm: Parameterise the irq lines for armv7m_init,
Alistair Francis <=
- [Qemu-devel] [Patch v2 7/8] stm32f205: Add the stm32f205 SoC, Alistair Francis, 2014/09/19
- [Qemu-devel] [Patch v2 6/8] target_arm: Change the reset values based on the ELF entry, Alistair Francis, 2014/09/19
- [Qemu-devel] [Patch v2 8/8] netduino2: Add the Netduino 2 Machine, Alistair Francis, 2014/09/19