diff options
author | Peter Maydell <peter.maydell@linaro.org> | 2017-02-20 15:35:57 +0000 |
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committer | Peter Maydell <peter.maydell@linaro.org> | 2017-02-28 16:18:49 +0000 |
commit | 56b7c66f498cea39c6c30f4eca2129eb83baa120 (patch) | |
tree | 525800f7292c2bcd8f08f9d03132f30ed3e8184b /include | |
parent | 6bf436cf9d1c4ce48aabf36c5c34e0d6ea2c786d (diff) |
armv7m: QOMify the armv7m container
Create a proper QOM object for the armv7m container, which
holds the CPU, the NVIC and the bitband regions.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-id: 1487604965-23220-4-git-send-email-peter.maydell@linaro.org
Diffstat (limited to 'include')
-rw-r--r-- | include/hw/arm/armv7m.h | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/include/hw/arm/armv7m.h b/include/hw/arm/armv7m.h new file mode 100644 index 0000000000..193ad71b82 --- /dev/null +++ b/include/hw/arm/armv7m.h @@ -0,0 +1,51 @@ +/* + * ARMv7M CPU object + * + * Copyright (c) 2017 Linaro Ltd + * Written by Peter Maydell <peter.maydell@linaro.org> + * + * This code is licensed under the GPL version 2 or later. + */ + +#ifndef HW_ARM_ARMV7M_H +#define HW_ARM_ARMV7M_H + +#include "hw/sysbus.h" +#include "hw/arm/armv7m_nvic.h" + +#define TYPE_BITBAND "ARM,bitband-memory" +#define BITBAND(obj) OBJECT_CHECK(BitBandState, (obj), TYPE_BITBAND) + +typedef struct { + /*< private >*/ + SysBusDevice parent_obj; + /*< public >*/ + + MemoryRegion iomem; + uint32_t base; +} BitBandState; + +#define TYPE_ARMV7M "armv7m" +#define ARMV7M(obj) OBJECT_CHECK(ARMv7MState, (obj), TYPE_ARMV7M) + +#define ARMV7M_NUM_BITBANDS 2 + +/* ARMv7M container object. + * + Unnamed GPIO input lines: external IRQ lines for the NVIC + * + Named GPIO output SYSRESETREQ: signalled for guest AIRCR.SYSRESETREQ + * + Property "cpu-model": CPU model to instantiate + * + Property "num-irq": number of external IRQ lines + */ +typedef struct ARMv7MState { + /*< private >*/ + SysBusDevice parent_obj; + /*< public >*/ + NVICState nvic; + BitBandState bitband[ARMV7M_NUM_BITBANDS]; + ARMCPU *cpu; + + /* Properties */ + char *cpu_model; +} ARMv7MState; + +#endif |