Mercurial > hg > Members > kono > Cerium

annotate TaskManager/kernel/ppe/MailManager.cc @ 649:55f898a58748

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
MailManager Fifo fix
author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Sun, 22 Nov 2009 18:53:05 +0900
parents 7c9ded1ea750
children c13bbb7d70b3
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
50
7927e00fb8e2 *** empty log message ***
gongo
parents:
diff changeset
1 #include <stdlib.h>
7927e00fb8e2 *** empty log message ***
gongo
parents:
diff changeset
2 #include "MailManager.h"
7927e00fb8e2 *** empty log message ***
gongo
parents:
diff changeset
3
647
7c9ded1ea750 MailManager rewrite. not yet worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 644
diff changeset
4 void
7c9ded1ea750 MailManager rewrite. not yet worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 644
diff changeset
5 MailManager::calc_mask(unsigned int qsize)
50
7927e00fb8e2 *** empty log message ***
gongo
parents:
diff changeset
6 {
647
7c9ded1ea750 MailManager rewrite. not yet worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 644
diff changeset
7 mask = 1;
7c9ded1ea750 MailManager rewrite. not yet worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 644
diff changeset
8 while((qsize>>= 1)>0) {
7c9ded1ea750 MailManager rewrite. not yet worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 644
diff changeset
9 mask <<= 1;
50
7927e00fb8e2 *** empty log message ***
gongo
parents:
diff changeset
10 }
647
7c9ded1ea750 MailManager rewrite. not yet worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 644
diff changeset
11 size = mask;
7c9ded1ea750 MailManager rewrite. not yet worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 644
diff changeset
12 mask--;
50
7927e00fb8e2 *** empty log message ***
gongo
parents:
diff changeset
13 }
7927e00fb8e2 *** empty log message ***
gongo
parents:
diff changeset
14
647
7c9ded1ea750 MailManager rewrite. not yet worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 644
diff changeset
15 MailManager::MailManager(unsigned int qsize) {
7c9ded1ea750 MailManager rewrite. not yet worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 644
diff changeset
16 calc_mask(qsize);
7c9ded1ea750 MailManager rewrite. not yet worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 644
diff changeset
17 queue = New(memaddr,size);
50
7927e00fb8e2 *** empty log message ***
gongo
parents:
diff changeset
18 }
7927e00fb8e2 *** empty log message ***
gongo
parents:
diff changeset
19
647
7c9ded1ea750 MailManager rewrite. not yet worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 644
diff changeset
20 MailManager::~MailManager() { free(queue); }
7c9ded1ea750 MailManager rewrite. not yet worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 644
diff changeset
21
7c9ded1ea750 MailManager rewrite. not yet worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 644
diff changeset
22 int
7c9ded1ea750 MailManager rewrite. not yet worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 644
diff changeset
23 MailManager::count()
50
7927e00fb8e2 *** empty log message ***
gongo
parents:
diff changeset
24 {
647
7c9ded1ea750 MailManager rewrite. not yet worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 644
diff changeset
25 return (write+size-read)&mask;
50
7927e00fb8e2 *** empty log message ***
gongo
parents:
diff changeset
26 }
7927e00fb8e2 *** empty log message ***
gongo
parents:
diff changeset
27
647
7c9ded1ea750 MailManager rewrite. not yet worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 644
diff changeset
28 void
7c9ded1ea750 MailManager rewrite. not yet worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 644
diff changeset
29 MailManager::send(memaddr data)
50
7927e00fb8e2 *** empty log message ***
gongo
parents:
diff changeset
30 {
647
7c9ded1ea750 MailManager rewrite. not yet worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 644
diff changeset
31 queue[write++] = data;
649
55f898a58748 MailManager Fifo fix
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 647
diff changeset
32 write &= mask;
647
7c9ded1ea750 MailManager rewrite. not yet worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 644
diff changeset
33 if (write==read) {
649
55f898a58748 MailManager Fifo fix
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 647
diff changeset
34 memaddr *newq = New(memaddr,size*2);
55f898a58748 MailManager Fifo fix
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 647
diff changeset
35 int i = 0;
55f898a58748 MailManager Fifo fix
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 647
diff changeset
36 while(i<size) {
55f898a58748 MailManager Fifo fix
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 647
diff changeset
37 newq[i++] = queue[read++];
55f898a58748 MailManager Fifo fix
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 647
diff changeset
38 read &= mask;
647
7c9ded1ea750 MailManager rewrite. not yet worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 644
diff changeset
39 }
7c9ded1ea750 MailManager rewrite. not yet worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 644
diff changeset
40 read = 0; write = i;
649
55f898a58748 MailManager Fifo fix
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 647
diff changeset
41 calc_mask(size*2);
647
7c9ded1ea750 MailManager rewrite. not yet worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 644
diff changeset
42 free(queue);
7c9ded1ea750 MailManager rewrite. not yet worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 644
diff changeset
43 queue = newq;
194
gongo@localhost.localdomain
parents: 50
diff changeset
44 }
50
7927e00fb8e2 *** empty log message ***
gongo
parents:
diff changeset
45 }
7927e00fb8e2 *** empty log message ***
gongo
parents:
diff changeset
46
647
7c9ded1ea750 MailManager rewrite. not yet worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 644
diff changeset
47 memaddr
7c9ded1ea750 MailManager rewrite. not yet worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 644
diff changeset
48 MailManager::recv()
640
a909c50081c2 SimpeTask on Cell worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 603
diff changeset
49 {
647
7c9ded1ea750 MailManager rewrite. not yet worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 644
diff changeset
50 memaddr data;
7c9ded1ea750 MailManager rewrite. not yet worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 644
diff changeset
51 if (count()>0) {
7c9ded1ea750 MailManager rewrite. not yet worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 644
diff changeset
52 data = queue[read++];
7c9ded1ea750 MailManager rewrite. not yet worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 644
diff changeset
53 read &= mask;
7c9ded1ea750 MailManager rewrite. not yet worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 644
diff changeset
54 } else {
7c9ded1ea750 MailManager rewrite. not yet worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 644
diff changeset
55 data = 0;
640
a909c50081c2 SimpeTask on Cell worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 603
diff changeset
56 }
647
7c9ded1ea750 MailManager rewrite. not yet worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 644
diff changeset
57 return data;
643
bffdede05f1e minor fix.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 640
diff changeset
58 }
bffdede05f1e minor fix.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 640
diff changeset
59
640
a909c50081c2 SimpeTask on Cell worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 603
diff changeset
60 /* end */