WebSVN – HelenOS – Diff – /trunk/boot/arch/sparc64/loader/ofwarch.c


/*
 * Copyright (c) 2005 Martin Decky
 * Copyright (c) 2006 Jakub Jermar
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * - Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 * - Redistributions in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer in the
 *   documentation and/or other materials provided with the distribution.
 * - The name of the author may not be used to endorse or promote products
 *   derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
 
/**
 * @file
 * @brief   Architecture dependent parts of OpenFirmware interface.
 */
 
#include <ofwarch.h>  
#include <ofw.h>
#include <printf.h>
#include <string.h>
#include <register.h>
#include "main.h"
#include "asm.h"
 
void write(const char *str, const int len)
{
    int i;
   
    for (i = 0; i < len; i++) {
        if (str[i] == '\n')
            ofw_write("\r", 1);
        ofw_write(&str[i], 1);
    }
}
 
int ofw_translate_failed(ofw_arg_t flag)
{
    return flag != -1;
}
 
int ofw_cpu(void)
{
    char type_name[BUF_SIZE];
 
    phandle node;
    node = ofw_get_child_node(ofw_root);
    if (node == 0 || node == -1) {
        printf("Could not find any child nodes of the root node.\n");
        return 0;
    }
   
    uint64_t current_mid;
   
    __asm__ volatile ("ldxa [%1] %2, %0\n" : "=r" (current_mid) : "r" (0), "i" (ASI_UPA_CONFIG));
    current_mid >>= UPA_CONFIG_MID_SHIFT;
    current_mid &= UPA_CONFIG_MID_MASK;
 
    int cpus;
   
    for (cpus = 0; node != 0 && node != -1; node = ofw_get_peer_node(node), cpus++) {
        if (ofw_get_property(node, "device_type", type_name, sizeof(type_name)) > 0) {
            if (strcmp(type_name, "cpu") == 0) {
                uint32_t mid;
               
                if (ofw_get_property(node, "upa-portid", &mid, sizeof(mid)) <= 0)
                    continue;
                   
                if (current_mid != mid) {
                    /*
                     * Start secondary processor.
                     */
                    (void) ofw_call("SUNW,start-cpu", 3, 1, NULL, node,
                         KERNEL_VIRTUAL_ADDRESS,
                         bootinfo.physmem_start | AP_PROCESSOR);
                }
            }
        }
    }
 
    return cpus;
}
 
/** Get physical memory starting address.
 *
 * @param start Pointer to variable where the physical memory starting
 *      address will be stored.
 *
 * @return Non-zero on succes, zero on failure.
 */
int ofw_get_physmem_start(uintptr_t *start)
{
    uint32_t memreg[4];
 
    if (ofw_get_property(ofw_memory, "reg", &memreg, sizeof(memreg)) <= 0)
        return 0;
 
    *start = (((uint64_t) memreg[0]) << 32) | memreg[1];
    return 1;
}
 
 

Rev 1978	Rev 2071
1	/*	1	/*
2	* Copyright (C) 2005 Martin Decky	2	* Copyright (c) 2005 Martin Decky
3	* Copyright (C) 2006 Jakub Jermar	3	* Copyright (c) 2006 Jakub Jermar
4	* All rights reserved.	4	* All rights reserved.
5	*	5	*
6	* Redistribution and use in source and binary forms, with or without	6	* Redistribution and use in source and binary forms, with or without
7	* modification, are permitted provided that the following conditions	7	* modification, are permitted provided that the following conditions
8	* are met:	8	* are met:
9	*	9	*
10	* - Redistributions of source code must retain the above copyright	10	* - Redistributions of source code must retain the above copyright
11	* notice, this list of conditions and the following disclaimer.	11	* notice, this list of conditions and the following disclaimer.
12	* - Redistributions in binary form must reproduce the above copyright	12	* - Redistributions in binary form must reproduce the above copyright
13	* notice, this list of conditions and the following disclaimer in the	13	* notice, this list of conditions and the following disclaimer in the
14	* documentation and/or other materials provided with the distribution.	14	* documentation and/or other materials provided with the distribution.
15	* - The name of the author may not be used to endorse or promote products	15	* - The name of the author may not be used to endorse or promote products
16	* derived from this software without specific prior written permission.	16	* derived from this software without specific prior written permission.
17	*	17	*
18	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR	18	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19	* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES	19	* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.	20	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21	* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,	21	* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT	22	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
23	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,	23	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY	24	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT	25	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF	26	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27	* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.	27	* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28	*/	28	*/
29		29
30	/**	30	/**
31	* @file	31	* @file
32	* @brief Architecture dependent parts of OpenFirmware interface.	32	* @brief Architecture dependent parts of OpenFirmware interface.
33	*/	33	*/
34		34
35	#include <ofwarch.h>	35	#include <ofwarch.h>
36	#include <ofw.h>	36	#include <ofw.h>
37	#include <printf.h>	37	#include <printf.h>
38	#include <string.h>	38	#include <string.h>
39	#include <register.h>	39	#include <register.h>
40	#include "main.h"	40	#include "main.h"
41	#include "asm.h"	41	#include "asm.h"
42		42
43	void write(const char *str, const int len)	43	void write(const char *str, const int len)
44	{	44	{
45	int i;	45	int i;
46		46
47	for (i = 0; i < len; i++) {	47	for (i = 0; i < len; i++) {
48	if (str[i] == '\n')	48	if (str[i] == '\n')
49	ofw_write("\r", 1);	49	ofw_write("\r", 1);
50	ofw_write(&str[i], 1);	50	ofw_write(&str[i], 1);
51	}	51	}
52	}	52	}
53		53
54	int ofw_translate_failed(ofw_arg_t flag)	54	int ofw_translate_failed(ofw_arg_t flag)
55	{	55	{
56	return flag != -1;	56	return flag != -1;
57	}	57	}
58		58
59	int ofw_cpu(void)	59	int ofw_cpu(void)
60	{	60	{
61	char type_name[BUF_SIZE];	61	char type_name[BUF_SIZE];
62		62
63	phandle node;	63	phandle node;
64	node = ofw_get_child_node(ofw_root);	64	node = ofw_get_child_node(ofw_root);
65	if (node == 0 \|\| node == -1) {	65	if (node == 0 \|\| node == -1) {
66	printf("Could not find any child nodes of the root node.\n");	66	printf("Could not find any child nodes of the root node.\n");
67	return 0;	67	return 0;
68	}	68	}
69		69
70	uint64_t current_mid;	70	uint64_t current_mid;
71		71
72	__asm__ volatile ("ldxa [%1] %2, %0\n" : "=r" (current_mid) : "r" (0), "i" (ASI_UPA_CONFIG));	72	__asm__ volatile ("ldxa [%1] %2, %0\n" : "=r" (current_mid) : "r" (0), "i" (ASI_UPA_CONFIG));
73	current_mid >>= UPA_CONFIG_MID_SHIFT;	73	current_mid >>= UPA_CONFIG_MID_SHIFT;
74	current_mid &= UPA_CONFIG_MID_MASK;	74	current_mid &= UPA_CONFIG_MID_MASK;
75		75
76	int cpus;	76	int cpus;
77		77
78	for (cpus = 0; node != 0 && node != -1; node = ofw_get_peer_node(node), cpus++) {	78	for (cpus = 0; node != 0 && node != -1; node = ofw_get_peer_node(node), cpus++) {
79	if (ofw_get_property(node, "device_type", type_name, sizeof(type_name)) > 0) {	79	if (ofw_get_property(node, "device_type", type_name, sizeof(type_name)) > 0) {
80	if (strcmp(type_name, "cpu") == 0) {	80	if (strcmp(type_name, "cpu") == 0) {
81	uint32_t mid;	81	uint32_t mid;
82		82
83	if (ofw_get_property(node, "upa-portid", &mid, sizeof(mid)) <= 0)	83	if (ofw_get_property(node, "upa-portid", &mid, sizeof(mid)) <= 0)
84	continue;	84	continue;
85		85
86	if (current_mid != mid) {	86	if (current_mid != mid) {
87	/*	87	/*
88	* Start secondary processor.	88	* Start secondary processor.
89	*/	89	*/
90	(void) ofw_call("SUNW,start-cpu", 3, 1, NULL, node,	90	(void) ofw_call("SUNW,start-cpu", 3, 1, NULL, node,
91	KERNEL_VIRTUAL_ADDRESS,	91	KERNEL_VIRTUAL_ADDRESS,
92	bootinfo.physmem_start \| AP_PROCESSOR);	92	bootinfo.physmem_start \| AP_PROCESSOR);
93	}	93	}
94	}	94	}
95	}	95	}
96	}	96	}
97		97
98	return cpus;	98	return cpus;
99	}	99	}
100		100
101	/** Get physical memory starting address.	101	/** Get physical memory starting address.
102	*	102	*
103	* @param start Pointer to variable where the physical memory starting	103	* @param start Pointer to variable where the physical memory starting
104	* address will be stored.	104	* address will be stored.
105	*	105	*
106	* @return Non-zero on succes, zero on failure.	106	* @return Non-zero on succes, zero on failure.
107	*/	107	*/
108	int ofw_get_physmem_start(uintptr_t *start)	108	int ofw_get_physmem_start(uintptr_t *start)
109	{	109	{
110	uint32_t memreg[4];	110	uint32_t memreg[4];
111		111
112	if (ofw_get_property(ofw_memory, "reg", &memreg, sizeof(memreg)) <= 0)	112	if (ofw_get_property(ofw_memory, "reg", &memreg, sizeof(memreg)) <= 0)
113	return 0;	113	return 0;
114		114
115	*start = (((uint64_t) memreg[0]) << 32) \| memreg[1];	115	*start = (((uint64_t) memreg[0]) << 32) \| memreg[1];
116	return 1;	116	return 1;
117	}	117	}
118		118
119		119

Subversion Repositories HelenOS

(root)/trunk/boot/arch/sparc64/loader/ofwarch.c – Rev 1978 → 2071