summaryrefslogtreecommitdiff
path: root/Makefrag.am
diff options
context:
space:
mode:
authorSamuel Thibault <samuel.thibault@ens-lyon.org>2020-07-10 00:23:32 +0200
committerSamuel Thibault <samuel.thibault@ens-lyon.org>2020-07-10 00:31:38 +0200
commit6054cda4de2341b9a77ec4421411725f3684006b (patch)
tree02622e721dffe9fdb73e35805de2fbf8a2a5aea8 /Makefrag.am
parent2dbf108457d0a0057cc63d5b3b89fd4da48d2a72 (diff)
Add hardware interrupt notification mechanism
This allows privileged userland drivers to get notifications of hardware interrupts. Initial work by Zheng Da, reworked by Damien Zammit and myself. * Makefrag.am (libkernel_a_SOURCES): Add device/intr.c and device/intr.h. (include_device_HEADERS): Add include/device/notify.defs and include/device/notify.h. * device/dev_hdr.h (name_equal): Add declaration. * device/ds_routines.c: Include <device/intr.h> (ds_device_intr_register, ds_device_intr_ack): New functions. * device/intr.c, device/intr.h: New files. * doc/mach.texi (Device Interrupt): New section. * i386/Makefrag.am (libkernel_a_SOURCES): Add i386/i386/irq.c and i386/i386/irq.h. * i386/i386/irq.c, i386/i386/irq.h: New files. * i386/i386at/conf.c: Include <device/intr.h>. (irqname): New macro. (dev_name_list): Add irq device. * include/device/device.defs (device_intr_register, device_intr_ack): New RPCs. * include/device/notify.defs, include/device/notify.h: New files. * kern/startup.c: Include <device/intr.h> (start_kernel_threads): Start intr_thread thread. * linux/dev/arch/i386/kernel/irq.c: Include <device/intr.h> (linux_action): Add user_intr field. (linux_intr): Call user_intr action if any. (mask_irq, unmask_irq): Move functions to i386/i386/pic.c (__disable_irq, __enable_irq): Move functions to i386/i386/irq.c. (install_user_intr_handler): New function. (request_irq): Initialize user_intr field. * linux/src/include/asm-i386/irq.h (__disable_irq, __enable_irq): Remove prototypes. * i386/i386/pic.c (mask_irq, unmask_irq): New functions. * i386/i386/pic.h (mask_irq, unmask_irq): New prototypes.
Diffstat (limited to 'Makefrag.am')
-rw-r--r--Makefrag.am4
1 files changed, 4 insertions, 0 deletions
diff --git a/Makefrag.am b/Makefrag.am
index 9cf976a5..ea612275 100644
--- a/Makefrag.am
+++ b/Makefrag.am
@@ -314,6 +314,8 @@ libkernel_a_SOURCES += \
device/ds_routines.h \
device/if_ether.h \
device/if_hdr.h \
+ device/intr.c \
+ device/intr.h \
device/io_req.h \
device/net_io.c \
device/net_io.h \
@@ -361,6 +363,8 @@ include_device_HEADERS = \
include/device/device_types.h \
include/device/disk_status.h \
include/device/net_status.h \
+ include/device/notify.defs \
+ include/device/notify.h \
include/device/tape_status.h \
include/device/tty_status.h