URL https://opencores.org/ocsvn/or1k/or1k/trunk

Subversion Repositories or1k

[/] [or1k/] [trunk/] [uclinux/] [uClinux-2.0.x/] [arch/] [sparc/] [prom/] [mp.c] - Blame information for rev 1765

Details | Compare with Previous | View Log


/* $Id: mp.c,v 1.1.1.1 2001-09-10 07:44:03 simons Exp $
 * mp.c:  OpenBoot Prom Multiprocessor support routines.  Don't call
 *        these on a UP or else you will halt and catch fire. ;)
 *
 * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
 */
 
#include <asm/openprom.h>
#include <asm/oplib.h>
 
/* Start cpu with prom-tree node 'cpunode' using context described
 * by 'ctable_reg' in context 'ctx' at program counter 'pc'.
 *
 * XXX Have to look into what the return values mean. XXX
 */
int
prom_startcpu(int cpunode, struct linux_prom_registers *ctable_reg, int ctx, char *pc)
{
        switch(prom_vers) {
        case PROM_V0:
        case PROM_V2:
        case PROM_AP1000:
                break;
        case PROM_V3:
        case PROM_P1275:
                return (*(romvec->v3_cpustart))(cpunode, (int) ctable_reg, ctx, pc);
                break;
        };
 
        return -1;
}
 
/* Stop CPU with device prom-tree node 'cpunode'.
 * XXX Again, what does the return value really mean? XXX
 */
int
prom_stopcpu(int cpunode)
{
        switch(prom_vers) {
        case PROM_V0:
        case PROM_V2:
        case PROM_AP1000:
                break;
        case PROM_V3:
        case PROM_P1275:
                return (*(romvec->v3_cpustop))(cpunode);
                break;
        };
 
        return -1;
}
 
/* Make CPU with device prom-tree node 'cpunode' idle.
 * XXX Return value, anyone? XXX
 */
int
prom_idlecpu(int cpunode)
{
        switch(prom_vers) {
        case PROM_V0:
        case PROM_V2:
        case PROM_AP1000:
                break;
        case PROM_V3:
        case PROM_P1275:
                return (*(romvec->v3_cpuidle))(cpunode);
                break;
        };
 
        return -1;
}
 
/* Resume the execution of CPU with nodeid 'cpunode'.
 * XXX Come on, somebody has to know... XXX
 */
int
prom_restartcpu(int cpunode)
{
        switch(prom_vers) {
        case PROM_V0:
        case PROM_V2:
        case PROM_AP1000:
                break;
        case PROM_V3:
        case PROM_P1275:
                return (*(romvec->v3_cpuresume))(cpunode);
                break;
        };
 
        return -1;
}

Line No.	Rev	Author	Line
1	199	simons	`/* $Id: mp.c,v 1.1.1.1 2001-09-10 07:44:03 simons Exp $`
2			`* mp.c: OpenBoot Prom Multiprocessor support routines. Don't call`
3			`* these on a UP or else you will halt and catch fire. ;)`
4			`*`
5			`* Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)`
6			`*/`
7
8			`#include <asm/openprom.h>`
9			`#include <asm/oplib.h>`
10
11			`/* Start cpu with prom-tree node 'cpunode' using context described`
12			`* by 'ctable_reg' in context 'ctx' at program counter 'pc'.`
13			`*`
14			`* XXX Have to look into what the return values mean. XXX`
15			`*/`
16			`int`
17			`prom_startcpu(int cpunode, struct linux_prom_registers ctable_reg, int ctx, char pc)`
18			`{`
19			`switch(prom_vers) {`
20			`case PROM_V0:`
21			`case PROM_V2:`
22			`case PROM_AP1000:`
23			`break;`
24			`case PROM_V3:`
25			`case PROM_P1275:`
26			`return (*(romvec->v3_cpustart))(cpunode, (int) ctable_reg, ctx, pc);`
27			`break;`
28			`};`
29
30			`return -1;`
31			`}`
32
33			`/* Stop CPU with device prom-tree node 'cpunode'.`
34			`* XXX Again, what does the return value really mean? XXX`
35			`*/`
36			`int`
37			`prom_stopcpu(int cpunode)`
38			`{`
39			`switch(prom_vers) {`
40			`case PROM_V0:`
41			`case PROM_V2:`
42			`case PROM_AP1000:`
43			`break;`
44			`case PROM_V3:`
45			`case PROM_P1275:`
46			`return (*(romvec->v3_cpustop))(cpunode);`
47			`break;`
48			`};`
49
50			`return -1;`
51			`}`
52
53			`/* Make CPU with device prom-tree node 'cpunode' idle.`
54			`* XXX Return value, anyone? XXX`
55			`*/`
56			`int`
57			`prom_idlecpu(int cpunode)`
58			`{`
59			`switch(prom_vers) {`
60			`case PROM_V0:`
61			`case PROM_V2:`
62			`case PROM_AP1000:`
63			`break;`
64			`case PROM_V3:`
65			`case PROM_P1275:`
66			`return (*(romvec->v3_cpuidle))(cpunode);`
67			`break;`
68			`};`
69
70			`return -1;`
71			`}`
72
73			`/* Resume the execution of CPU with nodeid 'cpunode'.`
74			`* XXX Come on, somebody has to know... XXX`
75			`*/`
76			`int`
77			`prom_restartcpu(int cpunode)`
78			`{`
79			`switch(prom_vers) {`
80			`case PROM_V0:`
81			`case PROM_V2:`
82			`case PROM_AP1000:`
83			`break;`
84			`case PROM_V3:`
85			`case PROM_P1275:`
86			`return (*(romvec->v3_cpuresume))(cpunode);`
87			`break;`
88			`};`
89
90			`return -1;`
91			`}`

Browse

Tools

Subversion Repositories or1k

[/] [or1k/] [trunk/] [uclinux/] [uClinux-2.0.x/] [arch/] [sparc/] [prom/] [mp.c] - Blame information for rev 1765