aboutsummaryrefslogtreecommitdiff
path: root/linux/src
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 /linux/src
parent2dbf108457d0a0057cc63d5b3b89fd4da48d2a72 (diff)
downloadgnumach-6054cda4de2341b9a77ec4421411725f3684006b.tar.gz
gnumach-6054cda4de2341b9a77ec4421411725f3684006b.tar.bz2
gnumach-6054cda4de2341b9a77ec4421411725f3684006b.zip
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 'linux/src')
-rw-r--r--linux/src/include/asm-i386/irq.h2
1 files changed, 0 insertions, 2 deletions
diff --git a/linux/src/include/asm-i386/irq.h b/linux/src/include/asm-i386/irq.h
index d7d1e3c5..c75744a5 100644
--- a/linux/src/include/asm-i386/irq.h
+++ b/linux/src/include/asm-i386/irq.h
@@ -16,8 +16,6 @@
#define TIMER_IRQ 0
-extern void __disable_irq(unsigned int);
-extern void __enable_irq(unsigned int);
extern void disable_irq(unsigned int);
extern void enable_irq(unsigned int);