1 | /* irq.h |
---|
2 | * |
---|
3 | * This include file describe the data structure and the functions implemented |
---|
4 | * by rtems to write interrupt handlers. |
---|
5 | * |
---|
6 | * CopyRight (C) 1999 valette@crf.canon.fr |
---|
7 | * |
---|
8 | * This code is heavilly inspired by the public specification of STREAM V2 |
---|
9 | * that can be found at : |
---|
10 | * |
---|
11 | * <http://www.chorus.com/Documentation/index.html> by following |
---|
12 | * the STREAM API Specification Document link. |
---|
13 | * |
---|
14 | * The license and distribution terms for this file may be |
---|
15 | * found in the file LICENSE in this distribution or at |
---|
16 | * http://www.rtems.org/license/LICENSE. |
---|
17 | */ |
---|
18 | |
---|
19 | #ifndef LIBBSP_POWERPC_IRQ_H |
---|
20 | #define LIBBSP_POWERPC_IRQ_H |
---|
21 | |
---|
22 | #define BSP_SHARED_HANDLER_SUPPORT 1 |
---|
23 | |
---|
24 | #ifndef ASM |
---|
25 | |
---|
26 | #include <rtems/irq.h> |
---|
27 | |
---|
28 | |
---|
29 | /* |
---|
30 | * Symblolic IRQ names and related definitions. |
---|
31 | */ |
---|
32 | |
---|
33 | /* |
---|
34 | * PCI IRQ handlers related definitions |
---|
35 | * CAUTION : BSP_PCI_IRQ_LOWEST_OFFSET should be equal to OPENPIC_VEC_SOURCE |
---|
36 | */ |
---|
37 | /* FIXME: do we need PCI interrrupts here ? */ |
---|
38 | #define BSP_PCI_IRQ_NUMBER (16) |
---|
39 | #define BSP_PCI_IRQ_LOWEST_OFFSET (0) |
---|
40 | #define BSP_PCI_IRQ_MAX_OFFSET (BSP_PCI_IRQ_LOWEST_OFFSET + BSP_PCI_IRQ_NUMBER - 1) |
---|
41 | |
---|
42 | #define BSP_PROCESSOR_IRQ_NUMBER (1) |
---|
43 | #define BSP_PROCESSOR_IRQ_LOWEST_OFFSET (BSP_PCI_IRQ_MAX_OFFSET) |
---|
44 | #define BSP_PROCESSOR_IRQ_MAX_OFFSET (BSP_PROCESSOR_IRQ_LOWEST_OFFSET+BSP_PROCESSOR_IRQ_NUMBER-1) |
---|
45 | |
---|
46 | |
---|
47 | /* |
---|
48 | * Summary |
---|
49 | */ |
---|
50 | #define BSP_IRQ_NUMBER (BSP_PROCESSOR_IRQ_MAX_OFFSET + 1) |
---|
51 | #define BSP_LOWEST_OFFSET (BSP_PCI_IRQ_LOWEST_OFFSET) |
---|
52 | #define BSP_MAX_OFFSET (BSP_IRQ_NUMBER - 1) |
---|
53 | |
---|
54 | /* |
---|
55 | * Some Processor execption handled as rtems IRQ symbolic name definition |
---|
56 | */ |
---|
57 | #define BSP_DECREMENTER (BSP_PROCESSOR_IRQ_LOWEST_OFFSET) |
---|
58 | |
---|
59 | #define BSP_INTERRUPT_VECTOR_MAX BSP_MAX_OFFSET |
---|
60 | #define BSP_INTERRUPT_VECTOR_COUNT BSP_IRQ_NUMBER |
---|
61 | |
---|
62 | /* #include <bsp/irq_supp.h> */ |
---|
63 | |
---|
64 | #ifdef __cplusplus |
---|
65 | extern "C" { |
---|
66 | #endif |
---|
67 | |
---|
68 | void BSP_rtems_irq_mng_init(unsigned cpuId); |
---|
69 | |
---|
70 | #ifdef __cplusplus |
---|
71 | } |
---|
72 | #endif |
---|
73 | |
---|
74 | #endif |
---|
75 | #endif |
---|