source: mainline/kernel/arch/abs32le/src/abs32le.c@ dc05a9a

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since dc05a9a was 36df4109, checked in by Jakub Jermar <jakub@…>, 9 years ago

Introduce architecure-specific operations

This replaces the arch_*_init() functions with an arch_ops_t structure
defined for each architecture. Undefined operations are treated as NOPs.

  • Property mode set to 100644
File size: 3.2 KB
Line 
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>
51#include <memstr.h>
52
53static void abs32le_post_mm_init(void);
54
55arch_ops_t abs32le_ops = {
56 .post_mm_init = abs32le_post_mm_init,
57};
58
59arch_ops_t *arch_ops = &abs32le_ops;
60
61char memcpy_from_uspace_failover_address;
62char memcpy_to_uspace_failover_address;
63
64void abs32le_post_mm_init(void)
65{
66 if (config.cpu_active == 1) {
67 /* Initialize IRQ routing */
68 irq_init(0, 0);
69
70 /* Merge all memory zones to 1 big zone */
71 zone_merge_all();
72 }
73}
74
75void calibrate_delay_loop(void)
76{
77}
78
79/** Construct function pointer
80 *
81 * @param fptr function pointer structure
82 * @param addr function address
83 * @param caller calling function address
84 *
85 * @return address of the function pointer
86 *
87 */
88void *arch_construct_function(fncptr_t *fptr, void *addr, void *caller)
89{
90 return addr;
91}
92
93void arch_reboot(void)
94{
95}
96
97void irq_initialize_arch(irq_t *irq)
98{
99 (void) irq;
100}
101
102void istate_decode(istate_t *istate)
103{
104 (void) istate;
105}
106
107int context_save_arch(context_t *ctx)
108{
109 return 1;
110}
111
112void context_restore_arch(context_t *ctx)
113{
114 while (true);
115}
116
117void fpu_init(void)
118{
119}
120
121void fpu_context_save(fpu_context_t *ctx)
122{
123}
124
125void fpu_context_restore(fpu_context_t *ctx)
126{
127}
128
129int memcpy_from_uspace(void *dst, const void *uspace_src, size_t size)
130{
131 return EOK;
132}
133
134int memcpy_to_uspace(void *uspace_dst, const void *src, size_t size)
135{
136 return EOK;
137}
138
139void early_putchar(wchar_t ch)
140{
141}
142
143/** @}
144 */
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