qemu-patch-raspberry4/include/hw/intc/ibex_plic.h
Alistair Francis e5cc6aaeb5 hw/intc: ibex_plic: Convert the PLIC to use RISC-V CPU GPIO lines
Instead of using riscv_cpu_update_mip() let's instead use the new RISC-V
CPU GPIO lines to set the external MIP bits.

Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 0a76946981852f5bd15f0c37ab35b253371027a8.1630301632.git.alistair.francis@wdc.com
2021-09-21 07:56:49 +10:00

68 lines
1.5 KiB
C

/*
* 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 */