WebSVN – HelenOS-historic – Diff – /boot/trunk/genarch/ofw.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.
 */
 
#include "ofw.h"
#include <printf.h>
#include <asm.h>
#include <types.h>
 
#define MAX_OFW_ARGS        10
 
/** OpenFirmware command structure
 *
 */
typedef struct {
    const char *service;          /**< Command name */
    unsigned long nargs;          /**< Number of in arguments */
    unsigned long nret;           /**< Number of out arguments */
    ofw_arg_t args[MAX_OFW_ARGS]; /**< List of arguments */
} ofw_args_t;
 
typedef void (*ofw_entry)(ofw_args_t *);
 
ofw_entry ofw;
 
phandle ofw_chosen;
ihandle ofw_stdout;
phandle ofw_root;
ihandle ofw_mmu;
phandle ofw_memory;
phandle ofw_aliases;
 
static unsigned long ofw_call(const char *service, const int nargs, const int nret, ofw_arg_t *rets, ...)
{
    va_list list;
    ofw_args_t args;
    int i;
   
    args.service = service;
    args.nargs = nargs;
    args.nret = nret;
   
    va_start(list, rets);
    for (i = 0; i < nargs; i++)
        args.args[i] = va_arg(list, ofw_arg_t);
    va_end(list);
   
    for (i = 0; i < nret; i++)
        args.args[i + nargs] = 0;
   
    ofw(&args);
   
    for (i = 1; i < nret; i++)
        rets[i - 1] = args.args[i + nargs];
   
    return args.args[nargs];
}
 
 
phandle ofw_find_device(const char *name)
{
    return ofw_call("finddevice", 1, 1, NULL, name);
}
 
 
int ofw_get_property(const phandle device, const char *name, const void *buf, const int buflen)
{
    return ofw_call("getprop", 4, 1, NULL, device, name, buf, buflen);
}
 
 
static unsigned int ofw_get_address_cells(const phandle device)
{
    unsigned int ret;
   
    if (ofw_get_property(device, "#address-cells", &ret, sizeof(ret)) <= 0)
        if (ofw_get_property(ofw_root, "#address-cells", &ret, sizeof(ret)) <= 0)
            ret = 1;
   
    return ret;
}
 
 
static unsigned int ofw_get_size_cells(const phandle device)
{
    unsigned int ret;
   
    if (ofw_get_property(device, "#size-cells", &ret, sizeof(ret)) <= 0)
        if (ofw_get_property(ofw_root, "#size-cells", &ret, sizeof(ret)) <= 0)
            ret = 1;
   
    return ret;
}
 
 
static ihandle ofw_open(const char *name)
{
    return ofw_call("open", 1, 1, NULL, name);
}
 
 
void init(void)
{
    ofw_chosen = ofw_find_device("/chosen");
    if (ofw_chosen == -1)
        halt();
   
    if (ofw_get_property(ofw_chosen, "stdout",  &ofw_stdout, sizeof(ofw_stdout)) <= 0)
        ofw_stdout = 0;
   
    ofw_root = ofw_find_device("/");
    if (ofw_root == -1) {
        puts("\r\nError: Unable to find / device, halted.\r\n");
        halt();
    }
   
    if (ofw_get_property(ofw_chosen, "mmu",  &ofw_mmu, sizeof(ofw_mmu)) <= 0) {
        puts("\r\nError: Unable to get mmu property, halted.\r\n");
        halt();
    }
   
    ofw_memory = ofw_find_device("/memory");
    if (ofw_memory == -1) {
        puts("\r\nError: Unable to find /memory device, halted.\r\n");
        halt();
    }
   
    ofw_aliases = ofw_find_device("/aliases");
    if (ofw_aliases == -1) {
        puts("\r\nError: Unable to find /aliases device, halted.\r\n");
        halt();
    }
}
 
 
void ofw_write(const char *str, const int len)
{
    if (ofw_stdout == 0)
        return;
   
    ofw_call("write", 3, 1, NULL, ofw_stdout, str, len);
}
 
 
void *ofw_translate(const void *virt)
{
    ofw_arg_t result[4];
    int shift;
 
    if (ofw_call("call-method", 3, 5, result, "translate", ofw_mmu, virt) != 0) {
        puts("Error: MMU method translate() failed, halting.\n");
        halt();
    }
 
    if (sizeof(unative_t) == 8)
        shift = 32;
    else
        shift = 0;
       
    return (void *) (((result[2]&0xffffffff)<<shift)|((result[3])&0xffffffff));
}
 
 
int ofw_map(const void *phys, const void *virt, const int size, const int mode)
{
    uintptr_t phys_hi, phys_lo;
 
    if (sizeof(unative_t) == 8) {
        int shift = 32;
        phys_hi = (uintptr_t) phys >> shift;
        phys_lo = (uintptr_t) phys & 0xffffffff;
    } else {
        phys_hi = 0;
        phys_lo = (uintptr_t) phys;
    }
 
    return ofw_call("call-method", 7, 1, NULL, "map", ofw_mmu, mode, size, virt,
        phys_hi, phys_lo);
}
 
 
int ofw_memmap(memmap_t *map)
{
    unsigned long buf[BUF_SIZE];
    int ret = ofw_get_property(ofw_memory, "reg", buf, sizeof(buf));
    if (ret <= 0)
        return false;
       
    unsigned int ac = ofw_get_address_cells(ofw_memory);
    unsigned int sc = ofw_get_size_cells(ofw_memory);
   
    int pos;
    map->total = 0;
    map->count = 0;
    for (pos = 0; (pos < ret / sizeof(unsigned long)) && (map->count < MEMMAP_MAX_RECORDS); pos += ac + sc) {
        void * start = (void *) buf[pos + ac - 1];
        unsigned int size = buf[pos + ac + sc - 1];
       
        if (size > 0) {
            map->zones[map->count].start = start;
            map->zones[map->count].size = size;
            map->count++;
            map->total += size;
        }
    }
}
 
 
int ofw_screen(screen_t *screen)
{
    char device_name[BUF_SIZE];
   
    if (ofw_get_property(ofw_aliases, "screen", 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", &screen->addr, sizeof(screen->addr)) <= 0)
        return false;
   
    if (ofw_get_property(device, "width", &screen->width, sizeof(screen->width)) <= 0)
        return false;
   
    if (ofw_get_property(device, "height", &screen->height, sizeof(screen->height)) <= 0)
        return false;
   
    if (ofw_get_property(device, "depth", &screen->bpp, sizeof(screen->bpp)) <= 0)
        return false;
   
    if (ofw_get_property(device, "linebytes", &screen->scanline, sizeof(screen->scanline)) <= 0)
        return false;
   
    return true;
}
 
 

Rev 1772	Rev 1782
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	#include "ofw.h"	29	#include "ofw.h"
30	#include <printf.h>	30	#include <printf.h>
31	#include <asm.h>	31	#include <asm.h>
-		32	#include <types.h>
32		33
33	#define MAX_OFW_ARGS 10	34	#define MAX_OFW_ARGS 10
34		35
35	/** OpenFirmware command structure	36	/** OpenFirmware command structure
36	*	37	*
37	*/	38	*/
38	typedef struct {	39	typedef struct {
39	const char service; /< Command name /	40	const char service; /< Command name /
40	unsigned long nargs; /*< Number of in arguments /	41	unsigned long nargs; /*< Number of in arguments /
41	unsigned long nret; /*< Number of out arguments /	42	unsigned long nret; /*< Number of out arguments /
42	ofw_arg_t args[MAX_OFW_ARGS]; /*< List of arguments /	43	ofw_arg_t args[MAX_OFW_ARGS]; /*< List of arguments /
43	} ofw_args_t;	44	} ofw_args_t;
44		45
45	typedef void (ofw_entry)(ofw_args_t );	46	typedef void (ofw_entry)(ofw_args_t );
46		47
47	ofw_entry ofw;	48	ofw_entry ofw;
48		49
49	phandle ofw_chosen;	50	phandle ofw_chosen;
50	ihandle ofw_stdout;	51	ihandle ofw_stdout;
51	phandle ofw_root;	52	phandle ofw_root;
52	ihandle ofw_mmu;	53	ihandle ofw_mmu;
53	phandle ofw_memory;	54	phandle ofw_memory;
54	phandle ofw_aliases;	55	phandle ofw_aliases;
55		56
56	static unsigned long ofw_call(const char service, const int nargs, const int nret, ofw_arg_t rets, ...)	57	static unsigned long ofw_call(const char service, const int nargs, const int nret, ofw_arg_t rets, ...)
57	{	58	{
58	va_list list;	59	va_list list;
59	ofw_args_t args;	60	ofw_args_t args;
60	int i;	61	int i;
61		62
62	args.service = service;	63	args.service = service;
63	args.nargs = nargs;	64	args.nargs = nargs;
64	args.nret = nret;	65	args.nret = nret;
65		66
66	va_start(list, rets);	67	va_start(list, rets);
67	for (i = 0; i < nargs; i++)	68	for (i = 0; i < nargs; i++)
68	args.args[i] = va_arg(list, ofw_arg_t);	69	args.args[i] = va_arg(list, ofw_arg_t);
69	va_end(list);	70	va_end(list);
70		71
71	for (i = 0; i < nret; i++)	72	for (i = 0; i < nret; i++)
72	args.args[i + nargs] = 0;	73	args.args[i + nargs] = 0;
73		74
74	ofw(&args);	75	ofw(&args);
75		76
76	for (i = 1; i < nret; i++)	77	for (i = 1; i < nret; i++)
77	rets[i - 1] = args.args[i + nargs];	78	rets[i - 1] = args.args[i + nargs];
78		79
79	return args.args[nargs];	80	return args.args[nargs];
80	}	81	}
81		82
82		83
83	phandle ofw_find_device(const char *name)	84	phandle ofw_find_device(const char *name)
84	{	85	{
85	return ofw_call("finddevice", 1, 1, NULL, name);	86	return ofw_call("finddevice", 1, 1, NULL, name);
86	}	87	}
87		88
88		89
89	int ofw_get_property(const phandle device, const char name, const void buf, const int buflen)	90	int ofw_get_property(const phandle device, const char name, const void buf, const int buflen)
90	{	91	{
91	return ofw_call("getprop", 4, 1, NULL, device, name, buf, buflen);	92	return ofw_call("getprop", 4, 1, NULL, device, name, buf, buflen);
92	}	93	}
93		94
94		95
95	static unsigned int ofw_get_address_cells(const phandle device)	96	static unsigned int ofw_get_address_cells(const phandle device)
96	{	97	{
97	unsigned int ret;	98	unsigned int ret;
98		99
99	if (ofw_get_property(device, "#address-cells", &ret, sizeof(ret)) <= 0)	100	if (ofw_get_property(device, "#address-cells", &ret, sizeof(ret)) <= 0)
100	if (ofw_get_property(ofw_root, "#address-cells", &ret, sizeof(ret)) <= 0)	101	if (ofw_get_property(ofw_root, "#address-cells", &ret, sizeof(ret)) <= 0)
101	ret = 1;	102	ret = 1;
102		103
103	return ret;	104	return ret;
104	}	105	}
105		106
106		107
107	static unsigned int ofw_get_size_cells(const phandle device)	108	static unsigned int ofw_get_size_cells(const phandle device)
108	{	109	{
109	unsigned int ret;	110	unsigned int ret;
110		111
111	if (ofw_get_property(device, "#size-cells", &ret, sizeof(ret)) <= 0)	112	if (ofw_get_property(device, "#size-cells", &ret, sizeof(ret)) <= 0)
112	if (ofw_get_property(ofw_root, "#size-cells", &ret, sizeof(ret)) <= 0)	113	if (ofw_get_property(ofw_root, "#size-cells", &ret, sizeof(ret)) <= 0)
113	ret = 1;	114	ret = 1;
114		115
115	return ret;	116	return ret;
116	}	117	}
117		118
118		119
119	static ihandle ofw_open(const char *name)	120	static ihandle ofw_open(const char *name)
120	{	121	{
121	return ofw_call("open", 1, 1, NULL, name);	122	return ofw_call("open", 1, 1, NULL, name);
122	}	123	}
123		124
124		125
125	void init(void)	126	void init(void)
126	{	127	{
127	ofw_chosen = ofw_find_device("/chosen");	128	ofw_chosen = ofw_find_device("/chosen");
128	if (ofw_chosen == -1)	129	if (ofw_chosen == -1)
129	halt();	130	halt();
130		131
131	if (ofw_get_property(ofw_chosen, "stdout", &ofw_stdout, sizeof(ofw_stdout)) <= 0)	132	if (ofw_get_property(ofw_chosen, "stdout", &ofw_stdout, sizeof(ofw_stdout)) <= 0)
132	ofw_stdout = 0;	133	ofw_stdout = 0;
133		134
134	ofw_root = ofw_find_device("/");	135	ofw_root = ofw_find_device("/");
135	if (ofw_root == -1) {	136	if (ofw_root == -1) {
136	puts("\r\nError: Unable to find / device, halted.\r\n");	137	puts("\r\nError: Unable to find / device, halted.\r\n");
137	halt();	138	halt();
138	}	139	}
139		140
140	if (ofw_get_property(ofw_chosen, "mmu", &ofw_mmu, sizeof(ofw_mmu)) <= 0) {	141	if (ofw_get_property(ofw_chosen, "mmu", &ofw_mmu, sizeof(ofw_mmu)) <= 0) {
141	puts("\r\nError: Unable to get mmu property, halted.\r\n");	142	puts("\r\nError: Unable to get mmu property, halted.\r\n");
142	halt();	143	halt();
143	}	144	}
144		145
145	ofw_memory = ofw_find_device("/memory");	146	ofw_memory = ofw_find_device("/memory");
146	if (ofw_memory == -1) {	147	if (ofw_memory == -1) {
147	puts("\r\nError: Unable to find /memory device, halted.\r\n");	148	puts("\r\nError: Unable to find /memory device, halted.\r\n");
148	halt();	149	halt();
149	}	150	}
150		151
151	ofw_aliases = ofw_find_device("/aliases");	152	ofw_aliases = ofw_find_device("/aliases");
152	if (ofw_aliases == -1) {	153	if (ofw_aliases == -1) {
153	puts("\r\nError: Unable to find /aliases device, halted.\r\n");	154	puts("\r\nError: Unable to find /aliases device, halted.\r\n");
154	halt();	155	halt();
155	}	156	}
156	}	157	}
157		158
158		159
159	void ofw_write(const char *str, const int len)	160	void ofw_write(const char *str, const int len)
160	{	161	{
161	if (ofw_stdout == 0)	162	if (ofw_stdout == 0)
162	return;	163	return;
163		164
164	ofw_call("write", 3, 1, NULL, ofw_stdout, str, len);	165	ofw_call("write", 3, 1, NULL, ofw_stdout, str, len);
165	}	166	}
166		167
167		168
168	void ofw_translate(const void virt)	169	void ofw_translate(const void virt)
169	{	170	{
170	ofw_arg_t result[3];	171	ofw_arg_t result[4];
-		172	int shift;
171		173
172	if (ofw_call("call-method", 4, 4, result, "translate", ofw_mmu, virt, 1) != 0) {	174	if (ofw_call("call-method", 3, 5, result, "translate", ofw_mmu, virt) != 0) {
173	puts("Error: MMU method translate() failed, halting.\n");	175	puts("Error: MMU method translate() failed, halting.\n");
174	halt();	176	halt();
175	}	177	}
-		178
176	return (void *) result[2];	179	if (sizeof(unative_t) == 8)
-		180	shift = 32;
-		181	else
-		182	shift = 0;
-		183
-		184	return (void *) (((result[2]&0xffffffff)<<shift)\|((result[3])&0xffffffff));
177	}	185	}
178		186
179		187
180	int ofw_map(const void phys, const void virt, const int size, const int mode)	188	int ofw_map(const void phys, const void virt, const int size, const int mode)
181	{	189	{
-		190	uintptr_t phys_hi, phys_lo;
-		191
-		192	if (sizeof(unative_t) == 8) {
-		193	int shift = 32;
-		194	phys_hi = (uintptr_t) phys >> shift;
-		195	phys_lo = (uintptr_t) phys & 0xffffffff;
-		196	} else {
-		197	phys_hi = 0;
-		198	phys_lo = (uintptr_t) phys;
-		199	}
-		200
182	return ofw_call("call-method", 6, 1, NULL, "map", ofw_mmu, mode, size, virt, phys);	201	return ofw_call("call-method", 7, 1, NULL, "map", ofw_mmu, mode, size, virt,
-		202	phys_hi, phys_lo);
183	}	203	}
184		204
185		205
186	int ofw_memmap(memmap_t *map)	206	int ofw_memmap(memmap_t *map)
187	{	207	{
188	unsigned long buf[BUF_SIZE];	208	unsigned long buf[BUF_SIZE];
189	int ret = ofw_get_property(ofw_memory, "reg", buf, sizeof(buf));	209	int ret = ofw_get_property(ofw_memory, "reg", buf, sizeof(buf));
190	if (ret <= 0)	210	if (ret <= 0)
191	return false;	211	return false;
192		212
193	unsigned int ac = ofw_get_address_cells(ofw_memory);	213	unsigned int ac = ofw_get_address_cells(ofw_memory);
194	unsigned int sc = ofw_get_size_cells(ofw_memory);	214	unsigned int sc = ofw_get_size_cells(ofw_memory);
195		215
196	int pos;	216	int pos;
197	map->total = 0;	217	map->total = 0;
198	map->count = 0;	218	map->count = 0;
199	for (pos = 0; (pos < ret / sizeof(unsigned long)) && (map->count < MEMMAP_MAX_RECORDS); pos += ac + sc) {	219	for (pos = 0; (pos < ret / sizeof(unsigned long)) && (map->count < MEMMAP_MAX_RECORDS); pos += ac + sc) {
200	void * start = (void *) buf[pos + ac - 1];	220	void * start = (void *) buf[pos + ac - 1];
201	unsigned int size = buf[pos + ac + sc - 1];	221	unsigned int size = buf[pos + ac + sc - 1];
202		222
203	if (size > 0) {	223	if (size > 0) {
204	map->zones[map->count].start = start;	224	map->zones[map->count].start = start;
205	map->zones[map->count].size = size;	225	map->zones[map->count].size = size;
206	map->count++;	226	map->count++;
207	map->total += size;	227	map->total += size;
208	}	228	}
209	}	229	}
210	}	230	}
211		231
212		232
213	int ofw_screen(screen_t *screen)	233	int ofw_screen(screen_t *screen)
214	{	234	{
215	char device_name[BUF_SIZE];	235	char device_name[BUF_SIZE];
216		236
217	if (ofw_get_property(ofw_aliases, "screen", device_name, sizeof(device_name)) <= 0)	237	if (ofw_get_property(ofw_aliases, "screen", device_name, sizeof(device_name)) <= 0)
218	return false;	238	return false;
219		239
220	phandle device = ofw_find_device(device_name);	240	phandle device = ofw_find_device(device_name);
221	if (device == -1)	241	if (device == -1)
222	return false;	242	return false;
223		243
224	if (ofw_get_property(device, "address", &screen->addr, sizeof(screen->addr)) <= 0)	244	if (ofw_get_property(device, "address", &screen->addr, sizeof(screen->addr)) <= 0)
225	return false;	245	return false;
226		246
227	if (ofw_get_property(device, "width", &screen->width, sizeof(screen->width)) <= 0)	247	if (ofw_get_property(device, "width", &screen->width, sizeof(screen->width)) <= 0)
228	return false;	248	return false;
229		249
230	if (ofw_get_property(device, "height", &screen->height, sizeof(screen->height)) <= 0)	250	if (ofw_get_property(device, "height", &screen->height, sizeof(screen->height)) <= 0)
231	return false;	251	return false;
232		252
233	if (ofw_get_property(device, "depth", &screen->bpp, sizeof(screen->bpp)) <= 0)	253	if (ofw_get_property(device, "depth", &screen->bpp, sizeof(screen->bpp)) <= 0)
234	return false;	254	return false;
235		255
236	if (ofw_get_property(device, "linebytes", &screen->scanline, sizeof(screen->scanline)) <= 0)	256	if (ofw_get_property(device, "linebytes", &screen->scanline, sizeof(screen->scanline)) <= 0)
237	return false;	257	return false;
238		258
239	return true;	259	return true;
240	}	260	}
241		-
242		261

Subversion Repositories HelenOS-historic

(root)/boot/trunk/genarch/ofw.c – Rev 1772 → 1782