hw/intc: ibex_timer: Convert the timer 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 timer 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: 84d5b1d5783d2e79eee69a2f7ac480cc0c070db3.1630301632.git.alistair.francis@wdc.com
This commit is contained in:
Alistair Francis 2021-08-30 15:35:15 +10:00
parent f436ecc315
commit 57a3a62265
3 changed files with 17 additions and 5 deletions

View file

@ -183,6 +183,9 @@ static void lowrisc_ibex_soc_realize(DeviceState *dev_soc, Error **errp)
sysbus_connect_irq(SYS_BUS_DEVICE(&s->timer),
0, qdev_get_gpio_in(DEVICE(&s->plic),
IBEX_TIMER_TIMEREXPIRED0_0));
qdev_connect_gpio_out(DEVICE(&s->timer), 0,
qdev_get_gpio_in(DEVICE(qemu_get_cpu(0)),
IRQ_M_TIMER));
create_unimplemented_device("riscv.lowrisc.ibex.gpio",
memmap[IBEX_DEV_GPIO].base, memmap[IBEX_DEV_GPIO].size);