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authorMarvin Borner2020-08-22 13:20:40 +0200
committerMarvin Borner2020-08-22 13:20:40 +0200
commit00a64ff4675b4c1e22d6b4856e1f6b7c04ed96d8 (patch)
treee4f2e6df5750fc6b7334c35ee3d8554cd4b303ce /kernel
parent593c80e99342df5e1147b3c0fc893f77ec6f00d5 (diff)
Added proc event list
Diffstat (limited to 'kernel')
-rw-r--r--kernel/features/event.c17
-rw-r--r--kernel/features/proc.c22
-rw-r--r--kernel/inc/event.h3
-rw-r--r--kernel/inc/proc.h9
4 files changed, 35 insertions, 16 deletions
diff --git a/kernel/features/event.c b/kernel/features/event.c
index 9bcce6d..e0a7d93 100644
--- a/kernel/features/event.c
+++ b/kernel/features/event.c
@@ -24,10 +24,11 @@ u32 event_map(enum event id, struct proc *proc, u32 *func)
} while ((iterator = iterator->next) != NULL);
struct event_descriptor *desc = malloc(sizeof(*desc));
+ desc->id = id;
desc->func = func;
desc->proc = proc;
- list_add((struct list *)event_table[id], (void *)desc);
+ list_add(event_table[id], (void *)desc);
return 0;
}
@@ -36,9 +37,10 @@ void event_unmap(enum event id, struct proc *proc, u32 *func)
assert(id < sizeof(event_table) / sizeof(*event_table));
assert(func);
- struct list *list = ((struct list *)event_table[id]);
+ struct list *list = event_table[id];
struct event_descriptor *desc = malloc(sizeof(*desc));
+ desc->id = id;
desc->func = func;
desc->proc = proc;
@@ -49,21 +51,24 @@ void event_unmap(enum event id, struct proc *proc, u32 *func)
} while ((iterator = iterator->next) != NULL);
}
-u32 event_trigger(enum event id, u32 *data)
+u32 event_trigger(enum event id, void *data)
{
(void)data;
assert(id < sizeof(event_table) / sizeof(*event_table));
- struct node *iterator = ((struct list *)event_table[id])->head;
+ struct node *iterator = event_table[id]->head;
- if (memcmp(event_table[id], 0, sizeof(struct list)) == 0) {
+ if (memcmp(event_table[id], 0, sizeof(struct list)) == 0 || !event_table[id]->head) {
printf("Event %d not mapped!\n", id);
return 1;
}
while (1) {
+ struct proc_event *proc_event = malloc(sizeof(*proc_event));
struct event_descriptor *desc = iterator->data;
- desc->proc->event = 1 << id;
+ proc_event->desc = desc;
+ proc_event->data = data;
+ list_add(desc->proc->events, proc_event);
iterator = iterator->next;
if (iterator == NULL)
break;
diff --git a/kernel/features/proc.c b/kernel/features/proc.c
index 86e444b..c38c196 100644
--- a/kernel/features/proc.c
+++ b/kernel/features/proc.c
@@ -47,14 +47,6 @@ void scheduler(struct regs *regs)
memcpy(regs, &((struct proc *)current->data)->regs, sizeof(struct regs));
- if (((struct proc *)current->data)->event) {
- struct proc *proc = (struct proc *)current->data;
- // TODO: Modify and backup EIP
- printf("Event %d for pid %d\n", proc->event, proc->pid);
- // TODO: Clear bit after resolve
- proc->event = 0;
- }
-
if (regs->cs != GDT_USER_CODE_OFFSET) {
regs->gs = GDT_USER_DATA_OFFSET;
regs->fs = GDT_USER_DATA_OFFSET;
@@ -64,6 +56,18 @@ void scheduler(struct regs *regs)
regs->cs = GDT_USER_CODE_OFFSET;
regs->eflags = EFLAGS_ALWAYS | EFLAGS_INTERRUPTS;
}
+
+ struct proc *proc = (struct proc *)current->data;
+ if (!proc->events || !proc->events->head)
+ return;
+
+ struct node *iterator = proc->events->head;
+ do {
+ struct proc_event *proc_event = iterator->data;
+ printf("Event %d for pid %d\n", proc_event->desc->id, proc->pid);
+ list_remove(proc->events, iterator);
+ } while ((iterator = iterator->next) != NULL);
+
/* printf("{%d}", ((struct proc *)current->data)->pid); */
}
@@ -101,6 +105,7 @@ void proc_exit(struct proc *proc, int status)
}
} while ((iterator = iterator->next) != NULL);
+ quantum = 0; // TODO: Add quantum to each process struct?
sti();
hlt();
}
@@ -109,6 +114,7 @@ struct proc *proc_make()
{
struct proc *proc = malloc(sizeof(*proc));
proc->pid = pid++;
+ proc->events = list_new();
if (current)
list_add(proc_list, proc);
diff --git a/kernel/inc/event.h b/kernel/inc/event.h
index d14fdb0..0a42f97 100644
--- a/kernel/inc/event.h
+++ b/kernel/inc/event.h
@@ -8,12 +8,13 @@
#include <sys.h>
struct event_descriptor {
+ enum event id;
u32 *func;
struct proc *proc;
};
u32 event_map(enum event id, struct proc *proc, u32 *func);
void event_unmap(enum event id, struct proc *proc, u32 *func);
-u32 event_trigger(enum event id, u32 *data);
+u32 event_trigger(enum event id, void *data);
#endif
diff --git a/kernel/inc/proc.h b/kernel/inc/proc.h
index 8f93e43..7e13652 100644
--- a/kernel/inc/proc.h
+++ b/kernel/inc/proc.h
@@ -4,7 +4,9 @@
#define PROC_H
#include <def.h>
+#include <event.h>
#include <interrupts.h>
+#include <list.h>
#define PROC_QUANTUM 42 // Milliseconds
@@ -18,7 +20,12 @@ struct proc {
u32 pid;
char name[32];
struct regs regs;
- u32 event;
+ struct list *events;
+};
+
+struct proc_event {
+ struct event_descriptor *desc;
+ void *data;
};
void proc_init();