WebSVN – HelenOS – Diff – /trunk/kernel/arch/sparc64/src/cpu/cpu.c


/*
 * Copyright (C) 2005 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.
 */
 
/** @addtogroup sparc64
 * @{
 */
/** @file
 */
 
#include <arch/asm.h>
#include <cpu.h>
#include <arch.h>
#include <print.h>
#include <arch/register.h>
#include <genarch/ofw/ofw_tree.h>
#include <arch/types.h>
#include <arch/drivers/tick.h>
 
 
 
 
/** Perform sparc64 specific initialization of the processor structure for the
 * current processor.
 */
void cpu_arch_init(void)
{
    ofw_tree_node_t *node;
    uint32_t mid;
    uint32_t clock_frequency = 0;
    upa_config_t upa_config;
   
    upa_config.value = upa_config_read();
    CPU->arch.mid = upa_config.mid;
   
    /*
     * Detect processor frequency.
     */
    node = ofw_tree_find_child_by_device_type(ofw_tree_lookup("/"), "cpu");
    while (node) {
        ofw_tree_property_t *prop;
       
        prop = ofw_tree_getprop(node, "upa-portid");
        if (prop && prop->value) {
            mid = *((uint32_t *) prop->value);
            if (mid == CPU->arch.mid) {
                prop = ofw_tree_getprop(node,
                    "clock-frequency");
                if (prop && prop->value)
                    clock_frequency = *((uint32_t *)
                        prop->value);
            }
        }
        node = ofw_tree_find_peer_by_device_type(node, "cpu");
    }
 
    CPU->arch.clock_frequency = clock_frequency;
    tick_init();
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
}
 
/** Read version information from the current processor. */
void cpu_identify(void)
{
    CPU->arch.ver.value = ver_read();
}
 
/** Print version information for a processor.
 *
 * This function is called by the bootstrap processor.
 *
 * @param m Processor structure of the CPU for which version information is to
 *  be printed.
 */
void cpu_print_report(cpu_t *m)
{
    char *manuf, *impl;
 
    switch (m->arch.ver.manuf) {
    case MANUF_FUJITSU:
        manuf = "Fujitsu";
        break;
    case MANUF_ULTRASPARC:
        manuf = "UltraSPARC";
        break;
    case MANUF_SUN:
            manuf = "Sun";
        break;
    default:
        manuf = "Unknown";
        break;
    }
   
    switch (CPU->arch.ver.impl) {
    case IMPL_ULTRASPARCI:
        impl = "UltraSPARC I";
        break;
    case IMPL_ULTRASPARCII:
        impl = "UltraSPARC II";
        break;
    case IMPL_ULTRASPARCII_I:
        impl = "UltraSPARC IIi";
        break;
    case IMPL_ULTRASPARCII_E:
        impl = "UltraSPARC IIe";
        break;
    case IMPL_ULTRASPARCIII:
        impl = "UltraSPARC III";
        break;
    case IMPL_ULTRASPARCIV_PLUS:
        impl = "UltraSPARC IV+";
        break;
    case IMPL_SPARC64V:
        impl = "SPARC 64V";
        break;
    default:
        impl = "Unknown";
        break;
    }
 
    printf("cpu%d: manuf=%s, impl=%s, mask=%d (%dMHz)\n", m->id, manuf,
        impl, m->arch.ver.mask, m->arch.clock_frequency / 1000000);
}
 
/** @}
 */
 

Rev 2049	Rev 2055
1	/*	1	/*
2	* Copyright (C) 2005 Jakub Jermar	2	* Copyright (C) 2005 Jakub Jermar
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	/** @addtogroup sparc64	29	/** @addtogroup sparc64
30	* @{	30	* @{
31	*/	31	*/
32	/** @file	32	/** @file
33	*/	33	*/
34		34
35	#include <arch/asm.h>	35	#include <arch/asm.h>
36	#include <cpu.h>	36	#include <cpu.h>
37	#include <arch.h>	37	#include <arch.h>
38	#include <print.h>	38	#include <print.h>
39	#include <arch/register.h>	39	#include <arch/register.h>
40	#include <genarch/ofw/ofw_tree.h>	40	#include <genarch/ofw/ofw_tree.h>
41	#include <arch/types.h>	41	#include <arch/types.h>
42	#include <arch/drivers/tick.h>	42	#include <arch/drivers/tick.h>
43	#include <arch/mm/page.h>	-
44	#include <arch/mm/tlb.h>	-
45	#include <macros.h>	-
46		43
47	/** Perform sparc64 specific initialization of the processor structure for the	44	/** Perform sparc64 specific initialization of the processor structure for the
48	* current processor.	45	* current processor.
49	*/	46	*/
50	void cpu_arch_init(void)	47	void cpu_arch_init(void)
51	{	48	{
52	ofw_tree_node_t *node;	49	ofw_tree_node_t *node;
53	uint32_t mid;	50	uint32_t mid;
54	uint32_t clock_frequency = 0;	51	uint32_t clock_frequency = 0;
55	upa_config_t upa_config;	52	upa_config_t upa_config;
56		53
57	upa_config.value = upa_config_read();	54	upa_config.value = upa_config_read();
58	CPU->arch.mid = upa_config.mid;	55	CPU->arch.mid = upa_config.mid;
59		56
60	/*	57	/*
61	* Detect processor frequency.	58	* Detect processor frequency.
62	*/	59	*/
63	node = ofw_tree_find_child_by_device_type(ofw_tree_lookup("/"), "cpu");	60	node = ofw_tree_find_child_by_device_type(ofw_tree_lookup("/"), "cpu");
64	while (node) {	61	while (node) {
65	ofw_tree_property_t *prop;	62	ofw_tree_property_t *prop;
66		63
67	prop = ofw_tree_getprop(node, "upa-portid");	64	prop = ofw_tree_getprop(node, "upa-portid");
68	if (prop && prop->value) {	65	if (prop && prop->value) {
69	mid = ((uint32_t ) prop->value);	66	mid = ((uint32_t ) prop->value);
70	if (mid == CPU->arch.mid) {	67	if (mid == CPU->arch.mid) {
71	prop = ofw_tree_getprop(node,	68	prop = ofw_tree_getprop(node,
72	"clock-frequency");	69	"clock-frequency");
73	if (prop && prop->value)	70	if (prop && prop->value)
74	clock_frequency = ((uint32_t )	71	clock_frequency = ((uint32_t )
75	prop->value);	72	prop->value);
76	}	73	}
77	}	74	}
78	node = ofw_tree_find_peer_by_device_type(node, "cpu");	75	node = ofw_tree_find_peer_by_device_type(node, "cpu");
79	}	76	}
80		77
81	CPU->arch.clock_frequency = clock_frequency;	78	CPU->arch.clock_frequency = clock_frequency;
82	tick_init();	79	tick_init();
83		-
84	/*	-
85	* Lock CPU stack in DTLB.	-
86	*/	-
87	uintptr_t base = ALIGN_DOWN(config.base, 1 << KERNEL_PAGE_WIDTH);	-
88		-
89	if (!overlaps((uintptr_t) CPU->stack, PAGE_SIZE, base, (1 <<	-
90	KERNEL_PAGE_WIDTH))) {	-
91	/*	-
92	* Kernel stack of this processor is not locked in DTLB.	-
93	* First, demap any already existing mappings.	-
94	* Second, create a locked mapping for it.	-
95	*/	-
96	dtlb_demap(TLB_DEMAP_PAGE, TLB_DEMAP_NUCLEUS, (uintptr_t)	-
97	CPU->stack);	-
98	dtlb_insert_mapping((uintptr_t) CPU->stack, KA2PA(CPU->stack),	-
99	PAGESIZE_8K, true, true);	-
100	}	-
101	}	80	}
102		81
103	/** Read version information from the current processor. */	82	/** Read version information from the current processor. */
104	void cpu_identify(void)	83	void cpu_identify(void)
105	{	84	{
106	CPU->arch.ver.value = ver_read();	85	CPU->arch.ver.value = ver_read();
107	}	86	}
108		87
109	/** Print version information for a processor.	88	/** Print version information for a processor.
110	*	89	*
111	* This function is called by the bootstrap processor.	90	* This function is called by the bootstrap processor.
112	*	91	*
113	* @param m Processor structure of the CPU for which version information is to	92	* @param m Processor structure of the CPU for which version information is to
114	* be printed.	93	* be printed.
115	*/	94	*/
116	void cpu_print_report(cpu_t *m)	95	void cpu_print_report(cpu_t *m)
117	{	96	{
118	char manuf, impl;	97	char manuf, impl;
119		98
120	switch (m->arch.ver.manuf) {	99	switch (m->arch.ver.manuf) {
121	case MANUF_FUJITSU:	100	case MANUF_FUJITSU:
122	manuf = "Fujitsu";	101	manuf = "Fujitsu";
123	break;	102	break;
124	case MANUF_ULTRASPARC:	103	case MANUF_ULTRASPARC:
125	manuf = "UltraSPARC";	104	manuf = "UltraSPARC";
126	break;	105	break;
127	case MANUF_SUN:	106	case MANUF_SUN:
128	manuf = "Sun";	107	manuf = "Sun";
129	break;	108	break;
130	default:	109	default:
131	manuf = "Unknown";	110	manuf = "Unknown";
132	break;	111	break;
133	}	112	}
134		113
135	switch (CPU->arch.ver.impl) {	114	switch (CPU->arch.ver.impl) {
136	case IMPL_ULTRASPARCI:	115	case IMPL_ULTRASPARCI:
137	impl = "UltraSPARC I";	116	impl = "UltraSPARC I";
138	break;	117	break;
139	case IMPL_ULTRASPARCII:	118	case IMPL_ULTRASPARCII:
140	impl = "UltraSPARC II";	119	impl = "UltraSPARC II";
141	break;	120	break;
142	case IMPL_ULTRASPARCII_I:	121	case IMPL_ULTRASPARCII_I:
143	impl = "UltraSPARC IIi";	122	impl = "UltraSPARC IIi";
144	break;	123	break;
145	case IMPL_ULTRASPARCII_E:	124	case IMPL_ULTRASPARCII_E:
146	impl = "UltraSPARC IIe";	125	impl = "UltraSPARC IIe";
147	break;	126	break;
148	case IMPL_ULTRASPARCIII:	127	case IMPL_ULTRASPARCIII:
149	impl = "UltraSPARC III";	128	impl = "UltraSPARC III";
150	break;	129	break;
151	case IMPL_ULTRASPARCIV_PLUS:	130	case IMPL_ULTRASPARCIV_PLUS:
152	impl = "UltraSPARC IV+";	131	impl = "UltraSPARC IV+";
153	break;	132	break;
154	case IMPL_SPARC64V:	133	case IMPL_SPARC64V:
155	impl = "SPARC 64V";	134	impl = "SPARC 64V";
156	break;	135	break;
157	default:	136	default:
158	impl = "Unknown";	137	impl = "Unknown";
159	break;	138	break;
160	}	139	}
161		140
162	printf("cpu%d: manuf=%s, impl=%s, mask=%d (%dMHz)\n", m->id, manuf,	141	printf("cpu%d: manuf=%s, impl=%s, mask=%d (%dMHz)\n", m->id, manuf,
163	impl, m->arch.ver.mask, m->arch.clock_frequency / 1000000);	142	impl, m->arch.ver.mask, m->arch.clock_frequency / 1000000);
164	}	143	}
165		144
166	/** @}	145	/** @}
167	*/	146	*/
168		147

Subversion Repositories HelenOS

(root)/trunk/kernel/arch/sparc64/src/cpu/cpu.c @ 2071 – Rev 2049 → 2055