#include <linux/linkage.h>
#include <system_data_cells.h>
#include <ssdef.h>
#include <pridef.h>
#include <cpudef.h>
#include <acbdef.h>
#include <evtdef.h>
#include <statedef.h>
#include <queue.h>
#include <ipldef.h>
#include <ipl.h>
#include <exe_routines.h>
#include <sch_routines.h>
#include <misc_routines.h>
#include <smp_routines.h>
#include <starlet.h>
#include <linux/sched.h>
#include <linux/smp.h>
#include <linux/slab.h>
#include <internals.h>
Go to the source code of this file.
Defines | |
| #define | ASTDEBUG |
| #define | MYDEB_AST |
Functions | |
| void | sch_newlvl (struct _pcb *p) |
| compute new astlvl | |
| int | sch_qast (unsigned long pid, int priclass, struct _acb *a) |
| queuing an ast to a process - see 5.2 7.4 | |
| printast (struct _acb *acb) | |
| asmlinkage void | sch_astdel (int dummy) |
| delivering an ast - see 5.2 7.5 | |
Variables | |
| int | mydebug5 |
| long | qast [32 *1024] |
| long | qastc [32] = { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 } |
| int | astdeb = 0 |
| execute ast in the right mode - see 5.2 7.5.1 | |
| int | lastast = 0 |
| int | lastastprm = 0 |
| int | lastacb = 0 |
| int | myacbi = 0 |
| long | myacbs [1024] |
Definition in file astdel.c.
| printast | ( | struct _acb * | acb | ) |
| asmlinkage void sch_astdel | ( | int | dummy | ) |
delivering an ast - see 5.2 7.5
spinlock sched
empty queue, spurious interrupt, drop spinlock, return
TODO: check if astlvl be 4 or sch_newlvl necessary
remove first acb from queue
test if kernel mode ast
unlock spinlock, lower ipl to 2
dispatch kernel mode ast by simply calling it
on return from the ast just go to start again
if else, an ordinary ast
check if ok privileged mode
spurious interrupt test, is ast enabled
another spurious test, check if astdel already active
setting astact bit
if not ok, spurious interrupt found, reinsert, set new level, unlock and return
check soft_ast_disable - MISSING
if ast is deliverable
check quota bit and return quota - MISSING
store new astlvl values
unlock spinlock, set ipl
maybe run piggyback kernel ast
if neither nodelete nor pkast set, deallocate ast
build arg list on the stack of the ast's access mode
set ipl 0 before kernel mode ast
call ast in kernel mode
TODO: check it these must be here or be moved
clear astatc
compute new astlvl
Definition at line 629 of file astdel.c.
References _pcb, _acb::acb_b_rmod, _acb::acb_l_ast, _acb::acb_l_astprm, _acb::acb_l_kast, ctl_gl_pcb, IPL__ASTDEL, IPL__SYNCH, kfree(), printast(), sch_newlvl(), smp_gl_cpu_data, SPIN_SCHED, and user_spaceable_addr().
| void sch_newlvl | ( | struct _pcb * | p | ) |
compute new astlvl
| p | pcb |
Definition at line 838 of file astdel.c.
References IPL__SYNCH, and SPIN_SCHED.
Referenced by cmod_astexit(), exe_setast(), and sch_astdel().
| int sch_qast | ( | unsigned long | pid, | |
| int | priclass, | |||
| struct _acb * | a | |||
| ) |
queuing an ast to a process - see 5.2 7.4
| pid | the process id | |
| priclass | priority class | |
| a | ast control block |
spinlock sched
does the process exist
if nodelete clear deallocate - missing
scan the ast list
TODO: check if sort according to mode
insert ast in the queue
calculate astlvl
choose first and innermost level from queue - MISSING
handle current on same and other cpu - MISSING
handle outswapped - MISSING
unless current process, invoke sch_rse
otherwise make the process computable
TODO: check smp
release spinlock
Definition at line 75 of file astdel.c.
References _pcb, _acb::acb_b_rmod, _acb::acb_l_ast, _acb::acb_l_astqbl, _acb::acb_l_astqfl, _acb::acb_l_kast, _cpu::cpu_l_curpcb, CPU_M_UPDASTSR, ctl_gl_pcb, exe_ipid_to_pcb(), IPL__SYNCH, sch_rse(), smp_gl_cpu_data, smp_send_work(), SPIN_SCHED, SS__NONEXPR, and SS__NORMAL.
Referenced by bufpost(), exe_dclast(), exe_forcex(), exe_qioqxqppkt(), exe_swtimint(), fork_routine(), fork_routine2(), ioc_iopost(), lck_grant_lock(), lock_iosb_kast(), and maybe_blkast().
| int astdeb = 0 |
| int lastastprm = 0 |
| int mydebug5 |
| long qastc[32] = { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 } |
1.5.5