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1 ;
2 ;  Port on Texas Instruments TMS320C6x architecture
3 ;
4 ;  Copyright (C) 2004, 2006, 2009, 2010, 2011 Texas Instruments Incorporated
5 ;  Author: Aurelien Jacquiot (aurelien.jacquiot@jaluna.com)
6 ;
7 ;  This program is free software; you can redistribute it and/or modify
8 ;  it under the terms of the GNU General Public License version 2 as
9 ;  published by the Free Software Foundation.
10 ;
11 ;  This section handles all the interrupt vector routines.
12 ;  At RESET the processor sets up the DRAM timing parameters and
13 ;  branches to the label _c_int00 which handles initialization for the C code.
14 ;
15
16 #define ALIGNMENT 5
17
18         .macro IRQVEC name, handler
19         .align ALIGNMENT
20         .hidden \name
21         .global \name
22 \name:
23 #ifdef CONFIG_C6X_BIG_KERNEL
24         STW     .D2T1   A0,*B15--[2]
25  ||     MVKL    .S1     \handler,A0
26         MVKH    .S1     \handler,A0
27         B       .S2X    A0
28         LDW     .D2T1   *++B15[2],A0
29         NOP     4
30         NOP
31         NOP
32         .endm
33 #else /* CONFIG_C6X_BIG_KERNEL */
34         B       .S2     \handler
35         NOP
36         NOP
37         NOP
38         NOP
39         NOP
40         NOP
41         NOP
42         .endm
43 #endif /* CONFIG_C6X_BIG_KERNEL */
44
45            .sect ".vectors","ax"
46            .align ALIGNMENT
47            .global RESET
48            .hidden RESET
49 RESET:
50 #ifdef CONFIG_C6X_BIG_KERNEL
51            MVKL .S1     _c_int00,A0             ; branch to _c_int00
52            MVKH .S1     _c_int00,A0
53            B    .S2X    A0
54 #else
55            B    .S2     _c_int00
56            NOP
57            NOP
58 #endif
59            NOP
60            NOP
61            NOP
62            NOP
63            NOP
64
65
66            IRQVEC NMI,_nmi_handler              ; NMI interrupt
67            IRQVEC AINT,_bad_interrupt           ; reserved
68            IRQVEC MSGINT,_bad_interrupt         ; reserved
69
70            IRQVEC INT4,_int4_handler
71            IRQVEC INT5,_int5_handler
72            IRQVEC INT6,_int6_handler
73            IRQVEC INT7,_int7_handler
74            IRQVEC INT8,_int8_handler
75            IRQVEC INT9,_int9_handler
76            IRQVEC INT10,_int10_handler
77            IRQVEC INT11,_int11_handler
78            IRQVEC INT12,_int12_handler
79            IRQVEC INT13,_int13_handler
80            IRQVEC INT14,_int14_handler
81            IRQVEC INT15,_int15_handler