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https://github.com/torvalds/linux
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b01a37a749
Preinitialize the program check table, so we can put it into the read-only data section. Also use only four byte entries for the table, since each program check handler resides within the first 2GB. Therefore this reduces the size of the table by 50% on 64 bit builds. Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
153 lines
4.5 KiB
ArmAsm
153 lines
4.5 KiB
ArmAsm
/*
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* Program check table.
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*
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* Copyright IBM Corp. 2012
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*/
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#include <linux/linkage.h>
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#ifdef CONFIG_32BIT
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#define PGM_CHECK_64BIT(handler) .long default_trap_handler
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#else
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#define PGM_CHECK_64BIT(handler) .long handler
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#endif
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#define PGM_CHECK(handler) .long handler
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#define PGM_CHECK_DEFAULT PGM_CHECK(default_trap_handler)
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/*
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* The program check table contains exactly 128 (0x00-0x7f) entries. Each
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* line defines the 31 and/or 64 bit function to be called corresponding
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* to the program check interruption code.
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*/
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.section .rodata, "a"
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ENTRY(pgm_check_table)
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PGM_CHECK_DEFAULT /* 00 */
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PGM_CHECK(illegal_op) /* 01 */
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PGM_CHECK(privileged_op) /* 02 */
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PGM_CHECK(execute_exception) /* 03 */
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PGM_CHECK(do_protection_exception) /* 04 */
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PGM_CHECK(addressing_exception) /* 05 */
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PGM_CHECK(specification_exception) /* 06 */
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PGM_CHECK(data_exception) /* 07 */
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PGM_CHECK(overflow_exception) /* 08 */
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PGM_CHECK(divide_exception) /* 09 */
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PGM_CHECK(overflow_exception) /* 0a */
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PGM_CHECK(divide_exception) /* 0b */
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PGM_CHECK(hfp_overflow_exception) /* 0c */
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PGM_CHECK(hfp_underflow_exception) /* 0d */
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PGM_CHECK(hfp_significance_exception) /* 0e */
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PGM_CHECK(hfp_divide_exception) /* 0f */
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PGM_CHECK(do_dat_exception) /* 10 */
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PGM_CHECK(do_dat_exception) /* 11 */
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PGM_CHECK(translation_exception) /* 12 */
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PGM_CHECK(special_op_exception) /* 13 */
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PGM_CHECK_DEFAULT /* 14 */
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PGM_CHECK(operand_exception) /* 15 */
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PGM_CHECK_DEFAULT /* 16 */
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PGM_CHECK_DEFAULT /* 17 */
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PGM_CHECK_64BIT(transaction_exception) /* 18 */
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PGM_CHECK_DEFAULT /* 19 */
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PGM_CHECK_DEFAULT /* 1a */
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PGM_CHECK_DEFAULT /* 1b */
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PGM_CHECK(space_switch_exception) /* 1c */
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PGM_CHECK(hfp_sqrt_exception) /* 1d */
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PGM_CHECK_DEFAULT /* 1e */
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PGM_CHECK_DEFAULT /* 1f */
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PGM_CHECK_DEFAULT /* 20 */
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PGM_CHECK_DEFAULT /* 21 */
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PGM_CHECK_DEFAULT /* 22 */
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PGM_CHECK_DEFAULT /* 23 */
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PGM_CHECK_DEFAULT /* 24 */
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PGM_CHECK_DEFAULT /* 25 */
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PGM_CHECK_DEFAULT /* 26 */
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PGM_CHECK_DEFAULT /* 27 */
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PGM_CHECK_DEFAULT /* 28 */
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PGM_CHECK_DEFAULT /* 29 */
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PGM_CHECK_DEFAULT /* 2a */
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PGM_CHECK_DEFAULT /* 2b */
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PGM_CHECK_DEFAULT /* 2c */
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PGM_CHECK_DEFAULT /* 2d */
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PGM_CHECK_DEFAULT /* 2e */
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PGM_CHECK_DEFAULT /* 2f */
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PGM_CHECK_DEFAULT /* 30 */
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PGM_CHECK_DEFAULT /* 31 */
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PGM_CHECK_DEFAULT /* 32 */
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PGM_CHECK_DEFAULT /* 33 */
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PGM_CHECK_DEFAULT /* 34 */
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PGM_CHECK_DEFAULT /* 35 */
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PGM_CHECK_DEFAULT /* 36 */
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PGM_CHECK_DEFAULT /* 37 */
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PGM_CHECK_64BIT(do_asce_exception) /* 38 */
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PGM_CHECK_64BIT(do_dat_exception) /* 39 */
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PGM_CHECK_64BIT(do_dat_exception) /* 3a */
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PGM_CHECK_64BIT(do_dat_exception) /* 3b */
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PGM_CHECK_DEFAULT /* 3c */
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PGM_CHECK_DEFAULT /* 3d */
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PGM_CHECK_DEFAULT /* 3e */
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PGM_CHECK_DEFAULT /* 3f */
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PGM_CHECK_DEFAULT /* 40 */
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PGM_CHECK_DEFAULT /* 41 */
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PGM_CHECK_DEFAULT /* 42 */
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PGM_CHECK_DEFAULT /* 43 */
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PGM_CHECK_DEFAULT /* 44 */
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PGM_CHECK_DEFAULT /* 45 */
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PGM_CHECK_DEFAULT /* 46 */
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PGM_CHECK_DEFAULT /* 47 */
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PGM_CHECK_DEFAULT /* 48 */
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PGM_CHECK_DEFAULT /* 49 */
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PGM_CHECK_DEFAULT /* 4a */
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PGM_CHECK_DEFAULT /* 4b */
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PGM_CHECK_DEFAULT /* 4c */
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PGM_CHECK_DEFAULT /* 4d */
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PGM_CHECK_DEFAULT /* 4e */
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PGM_CHECK_DEFAULT /* 4f */
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PGM_CHECK_DEFAULT /* 50 */
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PGM_CHECK_DEFAULT /* 51 */
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PGM_CHECK_DEFAULT /* 52 */
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PGM_CHECK_DEFAULT /* 53 */
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PGM_CHECK_DEFAULT /* 54 */
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PGM_CHECK_DEFAULT /* 55 */
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PGM_CHECK_DEFAULT /* 56 */
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PGM_CHECK_DEFAULT /* 57 */
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PGM_CHECK_DEFAULT /* 58 */
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PGM_CHECK_DEFAULT /* 59 */
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PGM_CHECK_DEFAULT /* 5a */
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PGM_CHECK_DEFAULT /* 5b */
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PGM_CHECK_DEFAULT /* 5c */
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PGM_CHECK_DEFAULT /* 5d */
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PGM_CHECK_DEFAULT /* 5e */
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PGM_CHECK_DEFAULT /* 5f */
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PGM_CHECK_DEFAULT /* 60 */
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PGM_CHECK_DEFAULT /* 61 */
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PGM_CHECK_DEFAULT /* 62 */
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PGM_CHECK_DEFAULT /* 63 */
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PGM_CHECK_DEFAULT /* 64 */
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PGM_CHECK_DEFAULT /* 65 */
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PGM_CHECK_DEFAULT /* 66 */
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PGM_CHECK_DEFAULT /* 67 */
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PGM_CHECK_DEFAULT /* 68 */
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PGM_CHECK_DEFAULT /* 69 */
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PGM_CHECK_DEFAULT /* 6a */
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PGM_CHECK_DEFAULT /* 6b */
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PGM_CHECK_DEFAULT /* 6c */
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PGM_CHECK_DEFAULT /* 6d */
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PGM_CHECK_DEFAULT /* 6e */
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PGM_CHECK_DEFAULT /* 6f */
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PGM_CHECK_DEFAULT /* 70 */
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PGM_CHECK_DEFAULT /* 71 */
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PGM_CHECK_DEFAULT /* 72 */
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PGM_CHECK_DEFAULT /* 73 */
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PGM_CHECK_DEFAULT /* 74 */
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PGM_CHECK_DEFAULT /* 75 */
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PGM_CHECK_DEFAULT /* 76 */
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PGM_CHECK_DEFAULT /* 77 */
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PGM_CHECK_DEFAULT /* 78 */
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PGM_CHECK_DEFAULT /* 79 */
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PGM_CHECK_DEFAULT /* 7a */
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PGM_CHECK_DEFAULT /* 7b */
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PGM_CHECK_DEFAULT /* 7c */
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PGM_CHECK_DEFAULT /* 7d */
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PGM_CHECK_DEFAULT /* 7e */
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PGM_CHECK_DEFAULT /* 7f */
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