source: mainline/kernel/arch/sparc32/src/sparc32.c@ 80d9d83

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since 80d9d83 was ef9a2a8, checked in by Jakub Klama <jakub.klama@…>, 12 years ago

Introduce early MMU support in kernel. At current state, it
is possible to create initial kernel address space, map kernel
identity into it and take over MMU control. ASID FIFO support
should also work.

  • Property mode set to 100644
File size: 3.4 KB
RevLine 
[b6b02c0]1/*
2 * Copyright (c) 2010 Martin Decky
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * - Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * - Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
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
15 * derived from this software without specific prior written permission.
16 *
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
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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
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
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29/** @addtogroup abs32le
30 * @{
31 */
32/** @file
33 */
34
35#include <arch.h>
36#include <typedefs.h>
37#include <arch/interrupt.h>
38#include <arch/asm.h>
39
40#include <func.h>
41#include <config.h>
42#include <errno.h>
43#include <context.h>
44#include <fpu_context.h>
45#include <interrupt.h>
46#include <syscall/copy.h>
47#include <ddi/irq.h>
48#include <proc/thread.h>
49#include <syscall/syscall.h>
50#include <console/console.h>
[ef9a2a8]51#include <macros.h>
[b6b02c0]52#include <memstr.h>
[ef9a2a8]53#include <str.h>
[b6b02c0]54
55char memcpy_from_uspace_failover_address;
56char memcpy_to_uspace_failover_address;
57
[ef9a2a8]58void arch_pre_main(bootinfo_t *bootinfo)
[b6b02c0]59{
[ef9a2a8]60 init.cnt = min3(bootinfo->cnt, TASKMAP_MAX_RECORDS, CONFIG_INIT_TASKS);
61
62 size_t i;
63 for (i = 0; i < init.cnt; i++) {
64 init.tasks[i].paddr = KA2PA(bootinfo->tasks[i].addr);
65 init.tasks[i].size = bootinfo->tasks[i].size;
66 str_cpy(init.tasks[i].name, CONFIG_TASK_NAME_BUFLEN,
67 bootinfo->tasks[i].name);
68 }
[b6b02c0]69}
70
71void arch_pre_mm_init(void)
72{
73}
74
75void arch_post_mm_init(void)
76{
77 if (config.cpu_active == 1) {
78 /* Initialize IRQ routing */
79 irq_init(0, 0);
80
81 /* Merge all memory zones to 1 big zone */
82 zone_merge_all();
83 }
84}
85
86void arch_post_cpu_init()
87{
88}
89
90void arch_pre_smp_init(void)
91{
92}
93
94void arch_post_smp_init(void)
95{
96}
97
98void calibrate_delay_loop(void)
99{
100}
101
102sysarg_t sys_tls_set(uintptr_t addr)
103{
104 return EOK;
105}
106
107/** Construct function pointer
108 *
109 * @param fptr function pointer structure
110 * @param addr function address
111 * @param caller calling function address
112 *
113 * @return address of the function pointer
114 *
115 */
116void *arch_construct_function(fncptr_t *fptr, void *addr, void *caller)
117{
118 return addr;
119}
120
121void arch_reboot(void)
122{
123}
124
125void irq_initialize_arch(irq_t *irq)
126{
127 (void) irq;
128}
129
130void istate_decode(istate_t *istate)
131{
132 (void) istate;
133}
134
135void fpu_init(void)
136{
137}
138
139void fpu_context_save(fpu_context_t *ctx)
140{
141}
142
143void fpu_context_restore(fpu_context_t *ctx)
144{
145}
146
147int memcpy_from_uspace(void *dst, const void *uspace_src, size_t size)
148{
149 return EOK;
150}
151
152int memcpy_to_uspace(void *uspace_dst, const void *src, size_t size)
153{
154 return EOK;
155}
156
157/** @}
158 */
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