summaryrefslogtreecommitdiffstats
path: root/qemu/hw/intc/imx_avic.c
diff options
context:
space:
mode:
Diffstat (limited to 'qemu/hw/intc/imx_avic.c')
-rw-r--r--qemu/hw/intc/imx_avic.c89
1 files changed, 23 insertions, 66 deletions
diff --git a/qemu/hw/intc/imx_avic.c b/qemu/hw/intc/imx_avic.c
index e48f66c8f..702765577 100644
--- a/qemu/hw/intc/imx_avic.c
+++ b/qemu/hw/intc/imx_avic.c
@@ -7,6 +7,7 @@
* Copyright (c) 2008 OKL
* Copyright (c) 2011 NICTA Pty Ltd
* Originally written by Hans Jiang
+ * Updated by Jean-Christophe Dubois <jcd@tribudubois.net>
*
* This code is licensed under the GPL version 2 or later. See
* the COPYING file in the top-level directory.
@@ -14,67 +15,23 @@
* TODO: implement vectors.
*/
-#include "hw/hw.h"
-#include "hw/sysbus.h"
-#include "qemu/host-utils.h"
+#include "qemu/osdep.h"
+#include "hw/intc/imx_avic.h"
-#define DEBUG_INT 1
-#undef DEBUG_INT /* comment out for debugging */
-
-#ifdef DEBUG_INT
-#define DPRINTF(fmt, args...) \
-do { printf("imx_avic: " fmt , ##args); } while (0)
-#else
-#define DPRINTF(fmt, args...) do {} while (0)
+#ifndef DEBUG_IMX_AVIC
+#define DEBUG_IMX_AVIC 0
#endif
-/*
- * Define to 1 for messages about attempts to
- * access unimplemented registers or similar.
- */
-#define DEBUG_IMPLEMENTATION 1
-#if DEBUG_IMPLEMENTATION
-# define IPRINTF(fmt, args...) \
- do { fprintf(stderr, "imx_avic: " fmt, ##args); } while (0)
-#else
-# define IPRINTF(fmt, args...) do {} while (0)
-#endif
-
-#define IMX_AVIC_NUM_IRQS 64
-
-/* Interrupt Control Bits */
-#define ABFLAG (1<<25)
-#define ABFEN (1<<24)
-#define NIDIS (1<<22) /* Normal Interrupt disable */
-#define FIDIS (1<<21) /* Fast interrupt disable */
-#define NIAD (1<<20) /* Normal Interrupt Arbiter Rise ARM level */
-#define FIAD (1<<19) /* Fast Interrupt Arbiter Rise ARM level */
-#define NM (1<<18) /* Normal interrupt mode */
-
-
-#define PRIO_PER_WORD (sizeof(uint32_t) * 8 / 4)
-#define PRIO_WORDS (IMX_AVIC_NUM_IRQS/PRIO_PER_WORD)
-
-#define TYPE_IMX_AVIC "imx_avic"
-#define IMX_AVIC(obj) \
- OBJECT_CHECK(IMXAVICState, (obj), TYPE_IMX_AVIC)
-
-typedef struct IMXAVICState {
- SysBusDevice parent_obj;
-
- MemoryRegion iomem;
- uint64_t pending;
- uint64_t enabled;
- uint64_t is_fiq;
- uint32_t intcntl;
- uint32_t intmask;
- qemu_irq irq;
- qemu_irq fiq;
- uint32_t prio[PRIO_WORDS]; /* Priorities are 4-bits each */
-} IMXAVICState;
+#define DPRINTF(fmt, args...) \
+ do { \
+ if (DEBUG_IMX_AVIC) { \
+ fprintf(stderr, "[%s]%s: " fmt , TYPE_IMX_AVIC, \
+ __func__, ##args); \
+ } \
+ } while (0)
static const VMStateDescription vmstate_imx_avic = {
- .name = "imx-avic",
+ .name = TYPE_IMX_AVIC,
.version_id = 1,
.minimum_version_id = 1,
.fields = (VMStateField[]) {
@@ -88,8 +45,6 @@ static const VMStateDescription vmstate_imx_avic = {
},
};
-
-
static inline int imx_avic_prio(IMXAVICState *s, int irq)
{
uint32_t word = irq / PRIO_PER_WORD;
@@ -151,8 +106,8 @@ static uint64_t imx_avic_read(void *opaque,
{
IMXAVICState *s = (IMXAVICState *)opaque;
+ DPRINTF("read(offset = 0x%" HWADDR_PRIx ")\n", offset);
- DPRINTF("read(offset = 0x%x)\n", offset >> 2);
switch (offset >> 2) {
case 0: /* INTCNTL */
return s->intcntl;
@@ -249,7 +204,8 @@ static uint64_t imx_avic_read(void *opaque,
return 0x4;
default:
- IPRINTF("imx_avic_read: Bad offset 0x%x\n", (int)offset);
+ qemu_log_mask(LOG_GUEST_ERROR, "[%s]%s: Bad register at offset 0x%"
+ HWADDR_PRIx "\n", TYPE_IMX_AVIC, __func__, offset);
return 0;
}
}
@@ -261,13 +217,13 @@ static void imx_avic_write(void *opaque, hwaddr offset,
/* Vector Registers not yet supported */
if (offset >= 0x100 && offset <= 0x2fc) {
- IPRINTF("imx_avic_write to vector register %d ignored\n",
- (unsigned int)((offset - 0x100) >> 2));
+ qemu_log_mask(LOG_UNIMP, "[%s]%s: vector %d ignored\n",
+ TYPE_IMX_AVIC, __func__, (int)((offset - 0x100) >> 2));
return;
}
- DPRINTF("imx_avic_write(0x%x) = %x\n",
- (unsigned int)offset>>2, (unsigned int)val);
+ DPRINTF("(0x%" HWADDR_PRIx ") = 0x%x\n", offset, (unsigned int)val);
+
switch (offset >> 2) {
case 0: /* Interrupt Control Register, INTCNTL */
s->intcntl = val & (ABFEN | NIDIS | FIDIS | NIAD | FIAD | NM);
@@ -341,7 +297,8 @@ static void imx_avic_write(void *opaque, hwaddr offset,
return;
default:
- IPRINTF("imx_avic_write: Bad offset %x\n", (int)offset);
+ qemu_log_mask(LOG_GUEST_ERROR, "[%s]%s: Bad register at offset 0x%"
+ HWADDR_PRIx "\n", TYPE_IMX_AVIC, __func__, offset);
}
imx_avic_update(s);
}
@@ -370,7 +327,7 @@ static int imx_avic_init(SysBusDevice *sbd)
IMXAVICState *s = IMX_AVIC(dev);
memory_region_init_io(&s->iomem, OBJECT(s), &imx_avic_ops, s,
- "imx_avic", 0x1000);
+ TYPE_IMX_AVIC, 0x1000);
sysbus_init_mmio(sbd, &s->iomem);
qdev_init_gpio_in(dev, imx_avic_set_irq, IMX_AVIC_NUM_IRQS);