Annotation of prex/sys/arch/arm/gba/platform.h, Revision 1.1.1.1
1.1 nbrk 1: /*
2: * Copyright (c) 2007, Kohsuke Ohtani
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: * 1. Redistributions of source code must retain the above copyright
9: * notice, this list of conditions and the following disclaimer.
10: * 2. Redistributions in binary form must reproduce the above copyright
11: * notice, this list of conditions and the following disclaimer in the
12: * documentation and/or other materials provided with the distribution.
13: * 3. Neither the name of the author nor the names of any co-contributors
14: * may be used to endorse or promote products derived from this software
15: * without specific prior written permission.
16: *
17: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20: * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27: * SUCH DAMAGE.
28: */
29:
30: #ifndef _GBA_PLATFORM_H
31: #define _GBA_PLATFORM_H
32:
33: /*
34: * Memory location
35: */
36:
37: #define PAGE_OFFSET 0x00000000
38:
39: #define KERNEL_BASE 0x02000000
40: #define KERNEL_MAX 0x02400000
41: #define USER_BASE 0x02000000
42: #define USER_MAX 0x02040000
43:
44: #define BOOT_INFO 0x03006000
45: #define BOOT_STACK 0x03007000
46: #define INT_STACK 0x03007900
47: #define SYS_STACK 0x0203ff00
48:
49: #ifndef __ASSEMBLY__
50:
51: /*
52: * Page mapping
53: */
54: #define phys_to_virt(pa) (void *)((char *)(pa) + PAGE_OFFSET)
55: #define virt_to_phys(va) (void *)((char *)(va) - PAGE_OFFSET)
56:
57: /*
58: * Kernel/User Locations
59: */
60: #define kern_area(addr) \
61: (((vaddr_t)(addr) >= KERNEL_BASE) && ((vaddr_t)(addr) < KERNEL_MAX))
62: #define user_area(addr) \
63: (((vaddr_t)(addr) >= USER_BASE) && ((vaddr_t)(addr) < USER_MAX))
64:
65: /*
66: * Interrupt
67: */
68: #define NIRQS 14 /* number of interrupt vectors */
69:
70: extern void interrupt_enable(void);
71: extern void interrupt_disable(void);
72: extern void interrupt_save(int *sts);
73: extern void interrupt_restore(int sts);
74: extern void interrupt_mask(int);
75: extern void interrupt_unmask(int, int);
76: extern void interrupt_setup(int, int);
77: extern void interrupt_init(void);
78: extern void interrupt_handler(void);
79: extern void interrupt_dispatch(int);
80:
81:
82: /* Interrupt mode for interrupt_setup() */
83: #define IMODE_EDGE 0 /* edge trigger */
84: #define IMODE_LEVEL 1 /* level trigger */
85:
86: extern void clock_init(void);
87: extern void diag_init(void);
88: extern void diag_print(char *);
89:
90: extern void machine_reset(void);
91: extern void machine_init(void);
92: extern void machine_idle(void);
93:
94: #endif /* !__ASSEMBLY__ */
95: #endif /* !_GBA_PLATFORM_H */
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