diff options
Diffstat (limited to 'include/hw')
| -rw-r--r-- | include/hw/intc/ibex_plic.h | 67 | ||||
| -rw-r--r-- | include/hw/intc/riscv_aplic.h | 79 |
2 files changed, 79 insertions, 67 deletions
diff --git a/include/hw/intc/ibex_plic.h b/include/hw/intc/ibex_plic.h deleted file mode 100644 index d596436e06..0000000000 --- a/include/hw/intc/ibex_plic.h +++ /dev/null @@ -1,67 +0,0 @@ -/* - * QEMU RISC-V lowRISC Ibex PLIC - * - * Copyright (c) 2020 Western Digital - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2 or later, as published by the Free Software Foundation. - * - * This program is distributed in the hope 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_IBEX_PLIC_H -#define HW_IBEX_PLIC_H - -#include "hw/sysbus.h" -#include "qom/object.h" - -#define TYPE_IBEX_PLIC "ibex-plic" -OBJECT_DECLARE_SIMPLE_TYPE(IbexPlicState, IBEX_PLIC) - -struct IbexPlicState { - /*< private >*/ - SysBusDevice parent_obj; - - /*< public >*/ - MemoryRegion mmio; - - uint32_t *pending; - uint32_t *hidden_pending; - uint32_t *claimed; - uint32_t *source; - uint32_t *priority; - uint32_t *enable; - uint32_t threshold; - uint32_t claim; - - /* config */ - uint32_t num_cpus; - uint32_t num_sources; - - uint32_t pending_base; - uint32_t pending_num; - - uint32_t source_base; - uint32_t source_num; - - uint32_t priority_base; - uint32_t priority_num; - - uint32_t enable_base; - uint32_t enable_num; - - uint32_t threshold_base; - - uint32_t claim_base; - - qemu_irq *external_irqs; -}; - -#endif /* HW_IBEX_PLIC_H */ diff --git a/include/hw/intc/riscv_aplic.h b/include/hw/intc/riscv_aplic.h new file mode 100644 index 0000000000..de8532fbc3 --- /dev/null +++ b/include/hw/intc/riscv_aplic.h @@ -0,0 +1,79 @@ +/* + * RISC-V APLIC (Advanced Platform Level Interrupt Controller) interface + * + * Copyright (c) 2021 Western Digital Corporation or its affiliates. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2 or later, as published by the Free Software Foundation. + * + * This program is distributed in the hope 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_RISCV_APLIC_H +#define HW_RISCV_APLIC_H + +#include "hw/sysbus.h" +#include "qom/object.h" + +#define TYPE_RISCV_APLIC "riscv.aplic" + +typedef struct RISCVAPLICState RISCVAPLICState; +DECLARE_INSTANCE_CHECKER(RISCVAPLICState, RISCV_APLIC, TYPE_RISCV_APLIC) + +#define APLIC_MIN_SIZE 0x4000 +#define APLIC_SIZE_ALIGN(__x) (((__x) + (APLIC_MIN_SIZE - 1)) & \ + ~(APLIC_MIN_SIZE - 1)) +#define APLIC_SIZE(__num_harts) (APLIC_MIN_SIZE + \ + APLIC_SIZE_ALIGN(32 * (__num_harts))) + +struct RISCVAPLICState { + /*< private >*/ + SysBusDevice parent_obj; + qemu_irq *external_irqs; + + /*< public >*/ + MemoryRegion mmio; + uint32_t bitfield_words; + uint32_t domaincfg; + uint32_t mmsicfgaddr; + uint32_t mmsicfgaddrH; + uint32_t smsicfgaddr; + uint32_t smsicfgaddrH; + uint32_t genmsi; + uint32_t *sourcecfg; + uint32_t *state; + uint32_t *target; + uint32_t *idelivery; + uint32_t *iforce; + uint32_t *ithreshold; + + /* topology */ +#define QEMU_APLIC_MAX_CHILDREN 16 + struct RISCVAPLICState *parent; + struct RISCVAPLICState *children[QEMU_APLIC_MAX_CHILDREN]; + uint16_t num_children; + + /* config */ + uint32_t aperture_size; + uint32_t hartid_base; + uint32_t num_harts; + uint32_t iprio_mask; + uint32_t num_irqs; + bool msimode; + bool mmode; +}; + +void riscv_aplic_add_child(DeviceState *parent, DeviceState *child); + +DeviceState *riscv_aplic_create(hwaddr addr, hwaddr size, + uint32_t hartid_base, uint32_t num_harts, uint32_t num_sources, + uint32_t iprio_bits, bool msimode, bool mmode, DeviceState *parent); + +#endif |