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setjmp.S

setjmp.S 1.7 KB
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  1. /* setjmp for the Blackfin project
    2. 

  2.  *
    3. 

  3.  * Copyright (C) 2000-2006 Erik Andersen <andersen@uclibc.org>
    4. 

  4.  * Copyright (C) 2003 Metrowerks
    5. 

  5.  * Based on code from Analog Devices.
    6. 

  6.  *
    7. 

  7.  * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
    8. 

  8.  */
    9. 

  9. 

  10. .text
    11. 

  11. .global ___sigsetjmp;
    12. 

  12. .type	___sigsetjmp,STT_FUNC;
    13. 

  13. .align 4;
    14. 

  14. 

  15. ___sigsetjmp:
    16. 

  16. 	[--SP] = P0;	/* Save P0 */
    17. 

  17. 	P0 = R0;
    18. 

  18. 	R0 = [SP++];
    19. 

  19. 	[P0 + 0x00] = R0;	/* Save saved P0 */
    20. 

  20. 	[P0 + 0x04] = P1;
    21. 

  21. 	[P0 + 0x08] = P2;
    22. 

  22. 	[P0 + 0x0C] = P3;
    23. 

  23. 	[P0 + 0x10] = P4;
    24. 

  24. 	[P0 + 0x14] = P5;
    25. 

  25. 

  26. 	[P0 + 0x18] = FP;	/* Frame Pointer */
    27. 

  27. 	[P0 + 0x1C] = SP;	/* Stack Pointer */
    28. 

  28. 

  29. 	[P0 + 0x20] = P0;	/* Data Registers */
    30. 

  30. 	[P0 + 0x24] = R1;
    31. 

  31. 	[P0 + 0x28] = R2;
    32. 

  32. 	[P0 + 0x2C] = R3;
    33. 

  33. 	[P0 + 0x30] = R4;
    34. 

  34. 	[P0 + 0x34] = R5;
    35. 

  35. 	[P0 + 0x38] = R6;
    36. 

  36. 	[P0 + 0x3C] = R7;
    37. 

  37. 

  38. 	R0 = ASTAT;
    39. 

  39. 	[P0 + 0x40] = R0;
    40. 

  40. 

  41. 	R0 = LC0;		/* Loop Counters */
    42. 

  42. 	[P0 + 0x44] = R0;
    43. 

  43. 	R0 = LC1;
    44. 

  44. 	[P0 + 0x48] = R0;
    45. 

  45. 

  46. 	R0 = A0.W;		/* Accumulators */
    47. 

  47. 	[P0 + 0x4C] = R0;
    48. 

  48. 	R0 = A0.X;
    49. 

  49. 	[P0 + 0x50] = R0;
    50. 

  50. 	R0 = A1.W;
    51. 

  51. 	[P0 + 0x54] = R0;
    52. 

  52. 	R0 = A1.X;
    53. 

  53. 	[P0 + 0x58] = R0;
    54. 

  54. 

  55. 	R0 = I0;		/* Index Registers */
    56. 

  56. 	[P0 + 0x5C] = R0;
    57. 

  57. 	R0 = I1;
    58. 

  58. 	[P0 + 0x60] = R0;
    59. 

  59. 	R0 = I2;
    60. 

  60. 	[P0 + 0x64] = R0;
    61. 

  61. 	R0 = I3;
    62. 

  62. 	[P0 + 0x68] = R0;
    63. 

  63. 

  64. 	R0 = M0;		/* Modifier Registers */
    65. 

  65. 	[P0 + 0x6C] = R0;
    66. 

  66. 	R0 = M1;
    67. 

  67. 	[P0 + 0x70] = R0;
    68. 

  68. 	R0 = M2;
    69. 

  69. 	[P0 + 0x74] = R0;
    70. 

  70. 	R0 = M3;
    71. 

  71. 	[P0 + 0x78] = R0;
    72. 

  72. 

  73. 	R0 = L0;		/* Length Registers */
    74. 

  74. 	[P0 + 0x7c] = R0;
    75. 

  75. 	R0 = L1;
    76. 

  76. 	[P0 + 0x80] = R0;
    77. 

  77. 	R0 = L2;
    78. 

  78. 	[P0 + 0x84] = R0;
    79. 

  79. 	R0 = L3;
    80. 

  80. 	[P0 + 0x88] = R0;
    81. 

  81. 

  82. 	R0 = B0;		/* Base Registers */
    83. 

  83. 	[P0 + 0x8C] = R0;
    84. 

  84. 	R0 = B1;
    85. 

  85. 	[P0 + 0x90] = R0;
    86. 

  86. 	R0 = B2;
    87. 

  87. 	[P0 + 0x94] = R0;
    88. 

  88. 	R0 = B3;
    89. 

  89. 	[P0 + 0x98] = R0;
    90. 

  90. 

  91. 	R0 = RETS;
    92. 

  92. 	[P0 + 0x9C] = R0;
    93. 

  93. 

  94. 	R0 = [P0 + 0x20];
    95. 

  95. 	JUMP.L ___sigjmp_save; 
    96. 

  96. .size ___sigsetjmp, .-___sigsetjmp
    97.