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Common interrupt numbers

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This commit is contained in:
Sebastien Bourdeauducq 2012-05-21 19:52:41 +02:00
parent 94245517f2
commit c01594f9fd
5 changed files with 19 additions and 30 deletions
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8
common/interrupt.h Normal file
View file

@ -0,0 +1,8 @@
#ifndef __INTERRUPT_H
#define __INTERRUPT_H
#define UART_INTERRUPT 0
#define TIMER0_INTERRUPT 1
#define MINIMAC_INTERRUPT 2
#endif /* __INTERRUPT_H */

4
software/bios/isr.c
View file

@ -15,8 +15,8 @@
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <hw/interrupts.h>
#include <hw/uart.h>
#include <interrupt.h>
#include <irq.h>
#include <uart.h>
@ -27,6 +27,6 @@ void isr(void)
irqs = irq_pending() & irq_getmask();
if(irqs & IRQ_UART)
if(irqs & (1 << UART_INTERRUPT))
uart_isr();
}

23
software/include/hw/interrupts.h
View file

@ -1,23 +0,0 @@
/*
* Milkymist SoC (Software)
* Copyright (C) 2007, 2008, 2009, 2010 Sebastien Bourdeauducq
*
* 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, version 3 of the License.
*
* 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_INTERRUPTS_H
#define __HW_INTERRUPTS_H
#define IRQ_UART (0x00000001) /* 0 */
#endif /* __HW_INTERRUPTS_H */

4
software/libbase/uart.c
View file

@ -18,7 +18,7 @@
#include <uart.h>
#include <irq.h>
#include <hw/uart.h>
#include <hw/interrupts.h>
#include <interrupt.h>
/*
* Buffer sizes must be a power of 2 so that modulos can be computed
@ -121,7 +121,7 @@ void uart_init(void)
CSR_UART_EV_ENABLE = UART_EV_TX | UART_EV_RX;
mask = irq_getmask();
mask |= IRQ_UART;
mask |= UART_INTERRUPT;
irq_setmask(mask);
}

10
top.py
View file

@ -63,6 +63,10 @@ def csr_offset(name):
assert((base >= 0xe0000000) and (base <= 0xe0010000))
return (base - 0xe0000000)//0x800
interrupt_macros = get_macros("common/interrupt.h")
def interrupt_n(name):
return int(interrupt_macros[name + "_INTERRUPT"], 0)
version = get_macros("common/version.h")["VERSION"][1:-1]
def get():
@ -130,9 +134,9 @@ def get():
# Interrupts
#
interrupts = Fragment([
cpu0.interrupt[0].eq(uart0.events.irq),
cpu0.interrupt[1].eq(timer0.events.irq),
cpu0.interrupt[2].eq(minimac0.events.irq)
cpu0.interrupt[interrupt_n("UART")].eq(uart0.events.irq),
cpu0.interrupt[interrupt_n("TIMER0")].eq(timer0.events.irq),
cpu0.interrupt[interrupt_n("MINIMAC")].eq(minimac0.events.irq)
])
#