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


/*
 * Copyright (C) 2005 Martin Decky
 * 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 "main.h"
 
int bpp2align[] = {
    [0] = 0,        /** Invalid bpp. */
    [1] = 1,        /** 8bpp is not aligned. */
    [2] = 2,        /** 16bpp is naturally aligned. */
    [3] = 4,        /** 24bpp is aligned on 4 byte boundary. */
    [4] = 4,        /** 32bpp is naturally aligned. */
};
 
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_keyboard(keyboard_t *keyboard)
{
    char device_name[BUF_SIZE];
    uint32_t virtaddr;
       
    if (ofw_get_property(ofw_aliases, "keyboard", device_name, sizeof(device_name)) <= 0)
        return false;
                   
    phandle device = ofw_find_device(device_name);
    if (device == -1)
        return false;
                                   
    if (ofw_get_property(device, "address", &virtaddr, sizeof(virtaddr)) <= 0)
        return false;
                                               
    if (!(keyboard->addr = ofw_translate((void *) ((uintptr_t) virtaddr))))
        return false;
 
    return true;
}
 
int ofw_cpu(cpu_t *cpu)
{
    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;
    }
   
    for (; node != 0 && node != -1; node = ofw_get_peer_node(node)) {
        if (ofw_get_property(node, "device_type", type_name, sizeof(type_name)) > 0) {
            if (strcmp(type_name, "cpu") == 0) {
                uint32_t mhz;
               
                if (ofw_get_property(node, "clock-frequency", &mhz, sizeof(mhz)) <= 0)
                    continue;
                   
                cpu->clock_frequency = mhz;
                return 1;
            }
        }
    };
 
    return 0;
}
 

Rev 1881	Rev 1896
1	/*	1	/*
2	* Copyright (C) 2005 Martin Decky	2	* Copyright (C) 2005 Martin Decky
3	* All rights reserved.	3	* All rights reserved.
4	*	4	*
5	* Redistribution and use in source and binary forms, with or without	5	* Redistribution and use in source and binary forms, with or without
6	* modification, are permitted provided that the following conditions	6	* modification, are permitted provided that the following conditions
7	* are met:	7	* are met:
8	*	8	*
9	* - Redistributions of source code must retain the above copyright	9	* - Redistributions of source code must retain the above copyright
10	* notice, this list of conditions and the following disclaimer.	10	* notice, this list of conditions and the following disclaimer.
11	* - Redistributions in binary form must reproduce the above copyright	11	* - Redistributions in binary form must reproduce the above copyright
12	* notice, this list of conditions and the following disclaimer in the	12	* notice, this list of conditions and the following disclaimer in the
13	* documentation and/or other materials provided with the distribution.	13	* documentation and/or other materials provided with the distribution.
14	* - The name of the author may not be used to endorse or promote products	14	* - The name of the author may not be used to endorse or promote products
15	* derived from this software without specific prior written permission.	15	* derived from this software without specific prior written permission.
16	*	16	*
17	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR	17	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18	* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES	18	* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.	19	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20	* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,	20	* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT	21	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,	22	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY	23	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT	24	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF	25	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26	* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.	26	* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27	*/	27	*/
28		28
29	/**	29	/**
30	* @file	30	* @file
31	* @brief Architecture dependent parts of OpenFirmware interface.	31	* @brief Architecture dependent parts of OpenFirmware interface.
32	*/	32	*/
33		33
34	#include <ofwarch.h>	34	#include <ofwarch.h>
35	#include <ofw.h>	35	#include <ofw.h>
36	#include <printf.h>	36	#include <printf.h>
37	#include <string.h>	37	#include <string.h>
38	#include "main.h"	38	#include "main.h"
39		39
40	int bpp2align[] = {	40	int bpp2align[] = {
41	[0] = 0, /** Invalid bpp. */	41	[0] = 0, /** Invalid bpp. */
42	[1] = 1, /** 8bpp is not aligned. */	42	[1] = 1, /** 8bpp is not aligned. */
43	[2] = 2, /** 16bpp is naturally aligned. */	43	[2] = 2, /** 16bpp is naturally aligned. */
44	[3] = 4, /** 24bpp is aligned on 4 byte boundary. */	44	[3] = 4, /** 24bpp is aligned on 4 byte boundary. */
45	[4] = 4, /** 32bpp is naturally aligned. */	45	[4] = 4, /** 32bpp is naturally aligned. */
46	};	46	};
47		47
48	void write(const char *str, const int len)	48	void write(const char *str, const int len)
49	{	49	{
50	int i;	50	int i;
51		51
52	for (i = 0; i < len; i++) {	52	for (i = 0; i < len; i++) {
53	if (str[i] == '\n')	53	if (str[i] == '\n')
54	ofw_write("\r", 1);	54	ofw_write("\r", 1);
55	ofw_write(&str[i], 1);	55	ofw_write(&str[i], 1);
56	}	56	}
57	}	57	}
58		58
59	int ofw_translate_failed(ofw_arg_t flag)	59	int ofw_translate_failed(ofw_arg_t flag)
60	{	60	{
61	return flag != -1;	61	return flag != -1;
62	}	62	}
63		63
64	int ofw_keyboard(keyboard_t *keyboard)	64	int ofw_keyboard(keyboard_t *keyboard)
65	{	65	{
66	char device_name[BUF_SIZE];	66	char device_name[BUF_SIZE];
67	uint32_t virtaddr;	67	uint32_t virtaddr;
68		68
69	if (ofw_get_property(ofw_aliases, "keyboard", device_name, sizeof(device_name)) <= 0)	69	if (ofw_get_property(ofw_aliases, "keyboard", device_name, sizeof(device_name)) <= 0)
70	return false;	70	return false;
71		71
72	phandle device = ofw_find_device(device_name);	72	phandle device = ofw_find_device(device_name);
73	if (device == -1)	73	if (device == -1)
74	return false;	74	return false;
75		75
76	if (ofw_get_property(device, "address", &virtaddr, sizeof(virtaddr)) <= 0)	76	if (ofw_get_property(device, "address", &virtaddr, sizeof(virtaddr)) <= 0)
77	return false;	77	return false;
78		78
79	if (!(keyboard->addr = ofw_translate((void *) ((uintptr_t) virtaddr))))	79	if (!(keyboard->addr = ofw_translate((void *) ((uintptr_t) virtaddr))))
80	return false;	80	return false;
81		81
82	return true;	82	return true;
83	}	83	}
84		84
85	int ofw_cpu(cpu_t *cpu)	85	int ofw_cpu(cpu_t *cpu)
86	{	86	{
87	char type_name[BUF_SIZE];	87	char type_name[BUF_SIZE];
88		88
89	phandle node;	89	phandle node;
90	node = ofw_get_child_node(ofw_root);	90	node = ofw_get_child_node(ofw_root);
91	if (node == 0 \|\| node == -1) {	91	if (node == 0 \|\| node == -1) {
92	printf("Could not find any child nodes of the root node.\n");	92	printf("Could not find any child nodes of the root node.\n");
93	return;	93	return;
94	}	94	}
95		95
96	for (; node != 0 && node != -1; node = ofw_get_peer_node(node)) {	96	for (; node != 0 && node != -1; node = ofw_get_peer_node(node)) {
97	if (ofw_get_property(node, "device_type", type_name, sizeof(type_name)) > 0) {	97	if (ofw_get_property(node, "device_type", type_name, sizeof(type_name)) > 0) {
98	if (strncmp(type_name, "cpu", 3) == 0) {	98	if (strcmp(type_name, "cpu") == 0) {
99	uint32_t mhz;	99	uint32_t mhz;
100		100
101	if (ofw_get_property(node, "clock-frequency", &mhz, sizeof(mhz)) <= 0)	101	if (ofw_get_property(node, "clock-frequency", &mhz, sizeof(mhz)) <= 0)
102	continue;	102	continue;
103		103
104	cpu->clock_frequency = mhz;	104	cpu->clock_frequency = mhz;
105	return 1;	105	return 1;
106	}	106	}
107	}	107	}
108	};	108	};
109		109
110	return 0;	110	return 0;
111	}	111	}
112		112

Subversion Repositories HelenOS

(root)/trunk/boot/arch/sparc64/loader/ofwarch.c @ 2036 – Rev 1881 → 1896