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2010-11-15 Gedare Bloom <giddyup44@yahoo.com>

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PR 1691/bsps
	* shared/include/traptable.h, shared/start/trap_table.S,
	shared/startup/linkcmds: Create a dummy trap table
	that jumps to the firmware trap table for default trap handlers.
This commit is contained in:
Joel Sherrill
2010-11-16 23:20:08 +00:00
parent 982b484912
commit 722c0fdfdf
4 changed files with 137 additions and 181 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
c/src/lib/libbsp/sparc64/ChangeLog
View File

@@ -1,3 +1,10 @@
2010-11-15 Gedare Bloom <giddyup44@yahoo.com>
PR 1691/bsps
* shared/include/traptable.h, shared/start/trap_table.S,
shared/startup/linkcmds: Create a dummy trap table
that jumps to the firmware trap table for default trap handlers.
2010-08-26 Gedare Bloom <giddyup44@yahoo.com>
PR 1691/bsps

3
c/src/lib/libbsp/sparc64/shared/include/traptable.h
View File

@@ -14,9 +14,10 @@
#define ENTRY_SIZE (32)
#define TABLE_SIZE (1024*ENTRY_SIZE * 2 /* HACK */ )
#define TABLE_SIZE (1024*ENTRY_SIZE)
#ifndef ASM
extern void* real_trap_table;
extern void* trap_table[TABLE_SIZE];
#endif

303
c/src/lib/libbsp/sparc64/shared/start/trap_table.S
View File

@@ -11,194 +11,147 @@
*
* This code defines the space for the trap table used by sun4u.
*
* This file is currently unused.
*
* $Id$
*/
#include <rtems/asm.h>
#include <rtems/score/cpu.h>
#include <traptable.h>
#define BAD_TRAP \
ta 0; \
nop; \
nop; \
nop; \
nop; \
nop; \
nop; \
nop;
.register %g2, #scratch
.section .ttable
.macro JUMP_TO_TRAP offset
sethi %hi(real_trap_table), %g1;
sethi %hi(\offset), %g2;
or %g1, %lo(real_trap_table), %g1;
or %g2, %lo(\offset), %g2; ! g2 = offset
ldx [%g1], %g1; ! g1 = real_trap_table
add %g1, %g2, %g1; ! g1 = real_trap_table[offset]
jmpl %g1, %g0;
nop;
.endm
! space to save a pointer to the real trap table
.section .data
.align 8
.global real_trap_table
SYM(real_trap_table):
.space 8
.section .text
.align (TABLE_SIZE)
PUBLIC(trap_table)
SYM(trap_table):
.space TABLE_SIZE
/* These are just bogus traps that aren't used ever
.irp idx, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, \
11, 12, 13, 14, 15, 16, 17, 18, 19, 20, \
21, 22, 23, 24, 25, 26, 27, 28, 29, 30, \
31, 32, 33, 34, 35, 36, 37, 38, 39, 40, \
41, 42, 43, 44, 45, 46, 47, 48, 49, 50, \
51, 52, 53, 54, 55, 56, 57, 58, 59, 60, \
61, 62, 63, 64, 65, 66, 67, 68, 69, 70, \
71, 72, 73, 74, 75, 76, 77, 78, 79, 80, \
81, 82, 83, 84, 85, 86, 87, 88, 89, 90, \
91, 92, 93, 94, 95, 96, 97, 98, 99, 100, \
101, 102, 103, 104, 105, 106, 107, 108, 109, 110, \
111, 112, 113, 114, 115, 116, 117, 118, 119, 120, \
121, 122, 123, 124, 125, 126, 127, 128, 129, 130, \
131, 132, 133, 134, 135, 136, 137, 138, 139, 140, \
141, 142, 143, 144, 145, 146, 147, 148, 149, 150, \
151, 152, 153, 154, 155, 156, 157, 158, 159, 160, \
161, 162, 163, 164, 165, 166, 167, 168, 169, 170, \
171, 172, 173, 174, 175, 176, 177, 178, 179, 180, \
181, 182, 183, 184, 185, 186, 187, 188, 189, 190, \
191, 192, 193, 194, 195, 196, 197, 198, 199, 200, \
201, 202, 203, 204, 205, 206, 207, 208, 209, 210, \
211, 212, 213, 214, 215, 216, 217, 218, 219, 220, \
221, 222, 223, 224, 225, 226, 227, 228, 229, 230, \
231, 232, 233, 234, 235, 236, 237, 238, 239, 240, \
241, 242, 243, 244, 245, 246, 247, 248, 249, 250, \
251, 252, 253, 254, 255, 256, 257, 258, 259, 260, \
261, 262, 263, 264, 265, 266, 267, 268, 269, 270, \
271, 272, 273, 274, 275, 276, 277, 278, 279, 280, \
281, 282, 283, 284, 285, 286, 287, 288, 289, 290, \
291, 292, 293, 294, 295, 296, 297, 298, 299, 300, \
301, 302, 303, 304, 305, 306, 307, 308, 309, 310, \
311, 312, 313, 314, 315, 316, 317, 318, 319, 320, \
321, 322, 323, 324, 325, 326, 327, 328, 329, 330, \
331, 332, 333, 334, 335, 336, 337, 338, 339, 340, \
341, 342, 343, 344, 345, 346, 347, 348, 349, 350, \
351, 352, 353, 354, 355, 356, 357, 358, 359, 360, \
361, 362, 363, 364, 365, 366, 367, 368, 369, 370, \
371, 372, 373, 374, 375, 376, 377, 378, 379, 380, \
381, 382, 383, 384, 385, 386, 387, 388, 389, 390, \
391, 392, 393, 394, 395, 396, 397, 398, 399, 400, \
401, 402, 403, 404, 405, 406, 407, 408, 409, 410, \
411, 412, 413, 414, 415, 416, 417, 418, 419, 420, \
421, 422, 423, 424, 425, 426, 427, 428, 429, 430, \
431, 432, 433, 434, 435, 436, 437, 438, 439, 440, \
441, 442, 443, 444, 445, 446, 447, 448, 449, 450, \
451, 452, 453, 454, 455, 456, 457, 458, 459, 460, \
461, 462, 463, 464, 465, 466, 467, 468, 469, 470, \
471, 472, 473, 474, 475, 476, 477, 478, 479, 480, \
481, 482, 483, 484, 485, 486, 487, 488, 489, 490, \
491, 492, 493, 494, 495, 496, 497, 498, 499, 500, \
501, 502, 503, 504, 505, 506, 507, 508, 509, 510, 511
.org trap_table + 8*32
BAD_TRAP; ! 8 IAE
.org trap_table + 9*32
BAD_TRAP; ! 9
.org trap_table + 10*32
BAD_TRAP; ! A
.org trap_table + ((\idx)*32)
JUMP_TO_TRAP( ((\idx)*32) );
.endr
.org trap_table + 11*32
BAD_TRAP; ! B
.org trap_table + 12*32
BAD_TRAP; ! C
.irp idx, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, \
11, 12, 13, 14, 15, 16, 17, 18, 19, 20, \
21, 22, 23, 24, 25, 26, 27, 28, 29, 30, \
31, 32, 33, 34, 35, 36, 37, 38, 39, 40, \
41, 42, 43, 44, 45, 46, 47, 48, 49, 50, \
51, 52, 53, 54, 55, 56, 57, 58, 59, 60, \
61, 62, 63, 64, 65, 66, 67, 68, 69, 70, \
71, 72, 73, 74, 75, 76, 77, 78, 79, 80, \
81, 82, 83, 84, 85, 86, 87, 88, 89, 90, \
91, 92, 93, 94, 95, 96, 97, 98, 99, 100, \
101, 102, 103, 104, 105, 106, 107, 108, 109, 110, \
111, 112, 113, 114, 115, 116, 117, 118, 119, 120, \
121, 122, 123, 124, 125, 126, 127, 128, 129, 130, \
131, 132, 133, 134, 135, 136, 137, 138, 139, 140, \
141, 142, 143, 144, 145, 146, 147, 148, 149, 150, \
151, 152, 153, 154, 155, 156, 157, 158, 159, 160, \
161, 162, 163, 164, 165, 166, 167, 168, 169, 170, \
171, 172, 173, 174, 175, 176, 177, 178, 179, 180, \
181, 182, 183, 184, 185, 186, 187, 188, 189, 190, \
191, 192, 193, 194, 195, 196, 197, 198, 199, 200, \
201, 202, 203, 204, 205, 206, 207, 208, 209, 210, \
211, 212, 213, 214, 215, 216, 217, 218, 219, 220, \
221, 222, 223, 224, 225, 226, 227, 228, 229, 230, \
231, 232, 233, 234, 235, 236, 237, 238, 239, 240, \
241, 242, 243, 244, 245, 246, 247, 248, 249, 250, \
251, 252, 253, 254, 255, 256, 257, 258, 259, 260, \
261, 262, 263, 264, 265, 266, 267, 268, 269, 270, \
271, 272, 273, 274, 275, 276, 277, 278, 279, 280, \
281, 282, 283, 284, 285, 286, 287, 288, 289, 290, \
291, 292, 293, 294, 295, 296, 297, 298, 299, 300, \
301, 302, 303, 304, 305, 306, 307, 308, 309, 310, \
311, 312, 313, 314, 315, 316, 317, 318, 319, 320, \
321, 322, 323, 324, 325, 326, 327, 328, 329, 330, \
331, 332, 333, 334, 335, 336, 337, 338, 339, 340, \
341, 342, 343, 344, 345, 346, 347, 348, 349, 350, \
351, 352, 353, 354, 355, 356, 357, 358, 359, 360, \
361, 362, 363, 364, 365, 366, 367, 368, 369, 370, \
371, 372, 373, 374, 375, 376, 377, 378, 379, 380, \
381, 382, 383, 384, 385, 386, 387, 388, 389, 390, \
391, 392, 393, 394, 395, 396, 397, 398, 399, 400, \
401, 402, 403, 404, 405, 406, 407, 408, 409, 410, \
411, 412, 413, 414, 415, 416, 417, 418, 419, 420, \
421, 422, 423, 424, 425, 426, 427, 428, 429, 430, \
431, 432, 433, 434, 435, 436, 437, 438, 439, 440, \
441, 442, 443, 444, 445, 446, 447, 448, 449, 450, \
451, 452, 453, 454, 455, 456, 457, 458, 459, 460, \
461, 462, 463, 464, 465, 466, 467, 468, 469, 470, \
471, 472, 473, 474, 475, 476, 477, 478, 479, 480, \
481, 482, 483, 484, 485, 486, 487, 488, 489, 490, \
491, 492, 493, 494, 495, 496, 497, 498, 499, 500, \
501, 502, 503, 504, 505, 506, 507, 508, 509, 510, 511
.org trap_table + 16*32
BAD_TRAP; ! 10 illegal instruction
.org trap_table + 17*32
BAD_TRAP; ! 11 privileged op_code
.org trap_table + 18*32
BAD_TRAP; ! 12 unimplemented LDD
.org trap_table + 19*32
BAD_TRAP; ! 13 unimplemented std
.org trap_table + 20*32
BAD_TRAP; ! 14 dae invalid asi
.org trap_table + 21*32
BAD_TRAP; ! 15 dae priv violation
.org trap_table + 22*32
BAD_TRAP; ! 16 dae nc page
.org trap_table + 23*32
BAD_TRAP; ! 17 dae nfo page
.org trap_table + 32*32
BAD_TRAP; ! 20 fp_disabled
.org trap_table + 33*32
BAD_TRAP; ! 21 fp_exception_ieee_754
.org trap_table + 34*32
BAD_TRAP; ! 22 fp_exception_other
.org trap_table + 35*32
BAD_TRAP; ! 23 tag_overflow
.org trap_table + 36*32
BAD_TRAP; ! 24-27 clean_window
.org trap_table + 40*32
BAD_TRAP; ! 28 div by zero
.org trap_table + 48*32
BAD_TRAP; ! 30 data access exception
.org trap_table + 49*32
BAD_TRAP; ! 31 data mmu miss
.org trap_table + 50*32
BAD_TRAP; ! 32 data access error
.org trap_table + 52*32
BAD_TRAP; ! 34 mem address not aligned
.org trap_table + 53*32
BAD_TRAP; ! 35 LDDF mem address not aligned
.org trap_table + 54*32
BAD_TRAP; ! 36 STDF mem addr not aligned
.org trap_table + 55*32
BAD_TRAP; ! 37 privileged action
.org trap_table + 56*32
BAD_TRAP; ! 38 LDQF mem addr not aligned
.org trap_table + 57*32
BAD_TRAP; ! 39 STQF mem addr not aligned
.org trap_table + 65*32
BAD_TRAP; ! 41-4F
! interrupt_level_n (1-15)
.org trap_table + 66*32
BAD_TRAP; !
.org trap_table + 67*32
BAD_TRAP; !
.org trap_table + 68*32
BAD_TRAP; !
.org trap_table + 69*32
BAD_TRAP; !
.org trap_table + 70*32
BAD_TRAP; !
.org trap_table + 71*32
BAD_TRAP; !
.org trap_table + 72*32
BAD_TRAP; !
.org trap_table + 73*32
BAD_TRAP; !
.org trap_table + 74*32
BAD_TRAP; !
.org trap_table + 75*32
BAD_TRAP; !
.org trap_table + 76*32
BAD_TRAP; !
.org trap_table + 77*32
BAD_TRAP; !
.org trap_table + 78*32
BAD_TRAP; !
.org trap_table + 79*32
BAD_TRAP; !
.org trap_table + 124*32
BAD_TRAP; ! 7C cpu mondo
.org trap_table + 125*32
BAD_TRAP; ! 7D dev mondo
.org trap_table + 128*32
BAD_TRAP;BAD_TRAP;BAD_TRAP;BAD_TRAP; ! 80-83 spill_0_normal
BAD_TRAP;BAD_TRAP;BAD_TRAP;BAD_TRAP; ! 84-87 spill_1_normal
BAD_TRAP;BAD_TRAP;BAD_TRAP;BAD_TRAP; ! 88-8B spill_2_normal
BAD_TRAP;BAD_TRAP;BAD_TRAP;BAD_TRAP; ! 8C-8F spill_3_normal
BAD_TRAP;BAD_TRAP;BAD_TRAP;BAD_TRAP; ! 90-93 spill_4_normal
BAD_TRAP;BAD_TRAP;BAD_TRAP;BAD_TRAP; ! 94-97 spill_5_normal
BAD_TRAP;BAD_TRAP;BAD_TRAP;BAD_TRAP; ! 98-9B spill_6_normal
BAD_TRAP;BAD_TRAP;BAD_TRAP;BAD_TRAP; ! 9C-9F spill_7_normal
BAD_TRAP;BAD_TRAP;BAD_TRAP;BAD_TRAP; ! A0-A3 spill_0_other
BAD_TRAP;BAD_TRAP;BAD_TRAP;BAD_TRAP; ! A4-A7 spill_1_other
BAD_TRAP;BAD_TRAP;BAD_TRAP;BAD_TRAP; ! A8-AB spill_2_other
BAD_TRAP;BAD_TRAP;BAD_TRAP;BAD_TRAP; ! AC-AF spill_3_other
BAD_TRAP;BAD_TRAP;BAD_TRAP;BAD_TRAP; ! B0-B3 spill_4_other
BAD_TRAP;BAD_TRAP;BAD_TRAP;BAD_TRAP; ! B4-B7 spill_5_other
BAD_TRAP;BAD_TRAP;BAD_TRAP;BAD_TRAP; ! B8-BB spill_6_other
BAD_TRAP;BAD_TRAP;BAD_TRAP;BAD_TRAP; ! BC-BF spill_7_other
BAD_TRAP;BAD_TRAP;BAD_TRAP;BAD_TRAP; ! C0-C3 fill_0_normal
BAD_TRAP;BAD_TRAP;BAD_TRAP;BAD_TRAP; ! C4-C7 fill_1_normal
BAD_TRAP;BAD_TRAP;BAD_TRAP;BAD_TRAP; ! C8-CB fill_2_normal
BAD_TRAP;BAD_TRAP;BAD_TRAP;BAD_TRAP; ! CC-CF fill_3_normal
BAD_TRAP;BAD_TRAP;BAD_TRAP;BAD_TRAP; ! D0-D3 fill_4_normal
BAD_TRAP;BAD_TRAP;BAD_TRAP;BAD_TRAP; ! D4-D7 fill_5_normal
BAD_TRAP;BAD_TRAP;BAD_TRAP;BAD_TRAP; ! D8-DB fill_6_normal
BAD_TRAP;BAD_TRAP;BAD_TRAP;BAD_TRAP; ! DC-DF fill_7_normal
BAD_TRAP;BAD_TRAP;BAD_TRAP;BAD_TRAP; ! E0-E3 fill_0_other
BAD_TRAP;BAD_TRAP;BAD_TRAP;BAD_TRAP; ! E4-E7 fill_1_other
BAD_TRAP;BAD_TRAP;BAD_TRAP;BAD_TRAP; ! E8-EB fill_2_other
BAD_TRAP;BAD_TRAP;BAD_TRAP;BAD_TRAP; ! EC-EF fill_3_other
BAD_TRAP;BAD_TRAP;BAD_TRAP;BAD_TRAP; ! F0-F3 fill_4_other
BAD_TRAP;BAD_TRAP;BAD_TRAP;BAD_TRAP; ! F4-F7 fill_5_other
BAD_TRAP;BAD_TRAP;BAD_TRAP;BAD_TRAP; ! F8-FB fill_6_other
BAD_TRAP;BAD_TRAP;BAD_TRAP;BAD_TRAP; ! FC-FF fill_7_other
BAD_TRAP;BAD_TRAP;BAD_TRAP; ! 100-17F trap instruction
BAD_TRAP;BAD_TRAP;BAD_TRAP;BAD_TRAP;
BAD_TRAP;BAD_TRAP;BAD_TRAP;BAD_TRAP;BAD_TRAP;BAD_TRAP;BAD_TRAP;BAD_TRAP;
BAD_TRAP;BAD_TRAP;BAD_TRAP;BAD_TRAP;BAD_TRAP;BAD_TRAP;BAD_TRAP;BAD_TRAP;
BAD_TRAP;BAD_TRAP;BAD_TRAP;BAD_TRAP;BAD_TRAP;BAD_TRAP;BAD_TRAP;BAD_TRAP;
BAD_TRAP;BAD_TRAP;BAD_TRAP;BAD_TRAP;BAD_TRAP;BAD_TRAP;BAD_TRAP;BAD_TRAP;
BAD_TRAP;BAD_TRAP;BAD_TRAP;BAD_TRAP;BAD_TRAP;BAD_TRAP;BAD_TRAP;BAD_TRAP;
BAD_TRAP;BAD_TRAP;BAD_TRAP;BAD_TRAP;BAD_TRAP;BAD_TRAP;BAD_TRAP;BAD_TRAP;
BAD_TRAP;BAD_TRAP;BAD_TRAP;BAD_TRAP;BAD_TRAP;BAD_TRAP;BAD_TRAP;BAD_TRAP;
BAD_TRAP;BAD_TRAP;BAD_TRAP;BAD_TRAP;BAD_TRAP;BAD_TRAP;BAD_TRAP;BAD_TRAP;
BAD_TRAP;BAD_TRAP;BAD_TRAP;BAD_TRAP;BAD_TRAP;BAD_TRAP;BAD_TRAP;BAD_TRAP;
BAD_TRAP;BAD_TRAP;BAD_TRAP;BAD_TRAP;BAD_TRAP;BAD_TRAP;BAD_TRAP;BAD_TRAP;
BAD_TRAP;BAD_TRAP;BAD_TRAP;BAD_TRAP;BAD_TRAP;BAD_TRAP;BAD_TRAP;BAD_TRAP;
BAD_TRAP;BAD_TRAP;BAD_TRAP;BAD_TRAP;BAD_TRAP;BAD_TRAP;BAD_TRAP;BAD_TRAP;
BAD_TRAP;BAD_TRAP;BAD_TRAP;BAD_TRAP;BAD_TRAP;BAD_TRAP;BAD_TRAP;BAD_TRAP;
BAD_TRAP;BAD_TRAP;BAD_TRAP;BAD_TRAP;BAD_TRAP;BAD_TRAP;BAD_TRAP;BAD_TRAP;
BAD_TRAP;BAD_TRAP;BAD_TRAP;BAD_TRAP;BAD_TRAP;BAD_TRAP;BAD_TRAP;BAD_TRAP;
*/
.org trap_table + 512*32 + ((\idx)*32)
JUMP_TO_TRAP( 512*32 + ((\idx)*32) );
.endr

5
c/src/lib/libbsp/sparc64/shared/startup/linkcmds
View File

@@ -202,11 +202,6 @@ SECTIONS
PROVIDE (__stack = .);
PROVIDE (StackStart = .);
} > ram
/* made-up section for the trap-table, which has a very high alignment */
. = ALIGN(1024*32);
.ttable : { *(.ttable) } > ram
}