source: rtems/c/src/lib/libcpu/powerpc/mpc505/vectors/vectors.S @ 96284fd8

4.104.114.84.95
Last change on this file since 96284fd8 was 96284fd8, checked in by Joel Sherrill <joel.sherrill@…>, on Aug 19, 1999 at 9:47:51 PM

Support for MPC505 from Sergei Organov <osv@…>. His patch was
against 3.6.0 so was painful to merge. It should be OK but there
is no guarantee and there are no BSPs in the tree to exercise it.

  • Property mode set to 100644
File size: 3.0 KB
Line 
1/*  vectors.s   1.1 - 95/12/04
2 *
3 *  This file contains the assembly code for the PowerPC 505
4 *  interrupt veneers for RTEMS.
5 *
6 *  Author:     Sergei Organov <osv@javad.ru>
7 *
8 *  COPYRIGHT (c) 1998 by JPS.
9 *
10 *  To anyone who acknowledges that this file is provided "AS IS"
11 *  without any express or implied warranty:
12 *      permission to use, copy, modify, and distribute this file
13 *      for any purpose is hereby granted without fee, provided that
14 *      the above copyright notice and this notice appears in all
15 *      copies, and that the name of i-cubed limited not be used in
16 *      advertising or publicity pertaining to distribution of the
17 *      software without specific, written prior permission.
18 *      i-cubed limited makes no representations about the suitability
19 *      of this software for any purpose.
20 *
21 */
22
23#include "asm.h"
24#include "ppc_offs.h"
25
26        /* Vector offsets */
27        .set    reset,                  0x0100 # PPC_IRQ_RESET
28        .set    machine_check,          0x0200 # PPC_IRQ_MCHECK
29        .set    dsi,                    0x0300 # PPC_IRQ_PROTECT
30        .set    isi,                    0x0400 # PPC_IRQ_ISI
31        .set    external_interrupt,     0x0500 # PPC_IRQ_EXTERNAL
32        .set    alignment,              0x0600 # PPC_IRQ_ALIGN
33        .set    program,                0x0700 # PPC_IRQ_PROGRAM
34        .set    fp_unavailable,         0x0800 # PPC_IRQ_NOFP
35        .set    decrementer,            0x0900 # PPC_IRQ_DEC
36        .set    system_call,            0x0C00 # PPC_IRQ_SCALL
37        .set    trace,                  0x0D00 # PPC_IRQ_TRACE
38        .set    fp_assist,              0x0E00 # PPC_IRQ_FPASSIST
39        .set    software_emulation,     0x1000 # PPC_IRQ_SOFTEMU
40        .set    data_bp,                0x1C00 # PPC_IRQ_DATA_BP
41        .set    istruction_bp,          0x1D00 # PPC_IRQ_INST_BP
42        .set    m_extern_bp,            0x1E00 # PPC_IRQ_MEXT_BP
43        .set    nm_extern_bp,           0x1F00 # PPC_IRQ_NMEXT_BP
44
45#if (PPC_ABI == PPC_ABI_POWEROPEN || PPC_ABI == PPC_ABI_GCC27)
46#define ABI_ADD 20*4
47#else
48#define ABI_ADD 0
49#endif
50
51#define ISR_HANDLER(vector, irq) \
52        .org    vector; \
53        stwu    r1, -(ABI_ADD + IP_END)(r1); \
54        stw     r0, IP_0(r1); \
55        li      r0, irq; \
56        b       PROC (_ISR_Handler);
57
58        /* Go to the right section */
59        .section .vect,"ax",@progbits
60        .globl  __vect
61__vect:
62        ISR_HANDLER(reset,              PPC_IRQ_RESET)
63        ISR_HANDLER(machine_check,      PPC_IRQ_MCHECK)
64        ISR_HANDLER(dsi,                PPC_IRQ_PROTECT)
65        ISR_HANDLER(isi,                PPC_IRQ_ISI)
66        ISR_HANDLER(external_interrupt, PPC_IRQ_EXTERNAL)
67        ISR_HANDLER(alignment,          PPC_IRQ_ALIGN)
68        ISR_HANDLER(program,            PPC_IRQ_PROGRAM)
69        ISR_HANDLER(fp_unavailable,     PPC_IRQ_NOFP)
70        ISR_HANDLER(decrementer,        PPC_IRQ_DEC)
71        ISR_HANDLER(system_call,        PPC_IRQ_SCALL)
72        ISR_HANDLER(trace,              PPC_IRQ_TRACE)
73        ISR_HANDLER(fp_assist,          PPC_IRQ_FPASSIST)
74        ISR_HANDLER(software_emulation, PPC_IRQ_SOFTEMU)
75        ISR_HANDLER(data_bp,            PPC_IRQ_DATA_BP)
76        ISR_HANDLER(istruction_bp,      PPC_IRQ_INST_BP)
77        ISR_HANDLER(m_extern_bp,        PPC_IRQ_MEXT_BP)
78        ISR_HANDLER(nm_extern_bp,       PPC_IRQ_NMEXT_BP)
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