diff options
author | Andreas Färber <afaerber@suse.de> | 2013-07-23 03:37:49 +0200 |
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committer | Andreas Färber <afaerber@suse.de> | 2013-11-05 17:47:29 +0100 |
commit | 83728796ad3f2ce7d6162c1cb894528b12915646 (patch) | |
tree | bd58c6869c8aca52c2d1f83d4d9aee639c250a68 /include/hw/intc | |
parent | 753bc6e981101b2a1d8bd4cb68f54dcdf82e9b63 (diff) |
arm_gic: Extract headers hw/intc/arm_gic{,_common}.h
Rename NCPU to GIC_NCPU and move GICState away from gic_internal.h.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Andreas Färber <afaerber@suse.de>
Diffstat (limited to 'include/hw/intc')
-rw-r--r-- | include/hw/intc/arm_gic.h | 42 | ||||
-rw-r--r-- | include/hw/intc/arm_gic_common.h | 92 |
2 files changed, 134 insertions, 0 deletions
diff --git a/include/hw/intc/arm_gic.h b/include/hw/intc/arm_gic.h new file mode 100644 index 0000000000..0971e37710 --- /dev/null +++ b/include/hw/intc/arm_gic.h @@ -0,0 +1,42 @@ +/* + * ARM GIC support + * + * Copyright (c) 2012 Linaro Limited + * Written by Peter Maydell + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, see <http://www.gnu.org/licenses/>. + */ + +#ifndef HW_ARM_GIC_H +#define HW_ARM_GIC_H + +#include "arm_gic_common.h" + +#define TYPE_ARM_GIC "arm_gic" +#define ARM_GIC(obj) \ + OBJECT_CHECK(GICState, (obj), TYPE_ARM_GIC) +#define ARM_GIC_CLASS(klass) \ + OBJECT_CLASS_CHECK(ARMGICClass, (klass), TYPE_ARM_GIC) +#define ARM_GIC_GET_CLASS(obj) \ + OBJECT_GET_CLASS(ARMGICClass, (obj), TYPE_ARM_GIC) + +typedef struct ARMGICClass { + /*< private >*/ + ARMGICCommonClass parent_class; + /*< public >*/ + + DeviceRealize parent_realize; +} ARMGICClass; + +#endif diff --git a/include/hw/intc/arm_gic_common.h b/include/hw/intc/arm_gic_common.h new file mode 100644 index 0000000000..4f381bdce7 --- /dev/null +++ b/include/hw/intc/arm_gic_common.h @@ -0,0 +1,92 @@ +/* + * ARM GIC support + * + * Copyright (c) 2012 Linaro Limited + * Written by Peter Maydell + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, see <http://www.gnu.org/licenses/>. + */ + +#ifndef HW_ARM_GIC_COMMON_H +#define HW_ARM_GIC_COMMON_H + +#include "hw/sysbus.h" + +/* Maximum number of possible interrupts, determined by the GIC architecture */ +#define GIC_MAXIRQ 1020 +/* First 32 are private to each CPU (SGIs and PPIs). */ +#define GIC_INTERNAL 32 +/* Maximum number of possible CPU interfaces, determined by GIC architecture */ +#define GIC_NCPU 8 + +typedef struct gic_irq_state { + /* The enable bits are only banked for per-cpu interrupts. */ + uint8_t enabled; + uint8_t pending; + uint8_t active; + uint8_t level; + bool model; /* 0 = N:N, 1 = 1:N */ + bool trigger; /* nonzero = edge triggered. */ +} gic_irq_state; + +typedef struct GICState { + /*< private >*/ + SysBusDevice parent_obj; + /*< public >*/ + + qemu_irq parent_irq[GIC_NCPU]; + bool enabled; + bool cpu_enabled[GIC_NCPU]; + + gic_irq_state irq_state[GIC_MAXIRQ]; + uint8_t irq_target[GIC_MAXIRQ]; + uint8_t priority1[GIC_INTERNAL][GIC_NCPU]; + uint8_t priority2[GIC_MAXIRQ - GIC_INTERNAL]; + uint16_t last_active[GIC_MAXIRQ][GIC_NCPU]; + + uint16_t priority_mask[GIC_NCPU]; + uint16_t running_irq[GIC_NCPU]; + uint16_t running_priority[GIC_NCPU]; + uint16_t current_pending[GIC_NCPU]; + + uint32_t num_cpu; + + MemoryRegion iomem; /* Distributor */ + /* This is just so we can have an opaque pointer which identifies + * both this GIC and which CPU interface we should be accessing. + */ + struct GICState *backref[GIC_NCPU]; + MemoryRegion cpuiomem[GIC_NCPU + 1]; /* CPU interfaces */ + uint32_t num_irq; + uint32_t revision; +} GICState; + +#define TYPE_ARM_GIC_COMMON "arm_gic_common" +#define ARM_GIC_COMMON(obj) \ + OBJECT_CHECK(GICState, (obj), TYPE_ARM_GIC_COMMON) +#define ARM_GIC_COMMON_CLASS(klass) \ + OBJECT_CLASS_CHECK(ARMGICCommonClass, (klass), TYPE_ARM_GIC_COMMON) +#define ARM_GIC_COMMON_GET_CLASS(obj) \ + OBJECT_GET_CLASS(ARMGICCommonClass, (obj), TYPE_ARM_GIC_COMMON) + +typedef struct ARMGICCommonClass { + /*< private >*/ + SysBusDeviceClass parent_class; + /*< public >*/ + + void (*pre_save)(GICState *s); + void (*post_load)(GICState *s); +} ARMGICCommonClass; + +#endif |