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annotate target-utils/libcommon/cmd_r32.c @ 74:8138a6380ae3

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pirexplore: attempt to play with SPCA552E
author Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
date Sat, 27 Jul 2013 07:30:08 +0000
parents f4fc449a64ea
children
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13
f4fc449a64ea target-utils libcommon infrastructure for interactive commands
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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1 /*
f4fc449a64ea target-utils libcommon infrastructure for interactive commands
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2 * r32 hexaddr -- read a 32-bit register or memory location
f4fc449a64ea target-utils libcommon infrastructure for interactive commands
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3 */
f4fc449a64ea target-utils libcommon infrastructure for interactive commands
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4
f4fc449a64ea target-utils libcommon infrastructure for interactive commands
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5 #include <sys/types.h>
f4fc449a64ea target-utils libcommon infrastructure for interactive commands
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6 #include "types.h"
f4fc449a64ea target-utils libcommon infrastructure for interactive commands
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7
f4fc449a64ea target-utils libcommon infrastructure for interactive commands
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8 void
f4fc449a64ea target-utils libcommon infrastructure for interactive commands
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9 cmd_r32(argbulk)
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10 char *argbulk;
f4fc449a64ea target-utils libcommon infrastructure for interactive commands
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11 {
f4fc449a64ea target-utils libcommon infrastructure for interactive commands
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12 char *argv[2];
f4fc449a64ea target-utils libcommon infrastructure for interactive commands
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13 u_long addr;
f4fc449a64ea target-utils libcommon infrastructure for interactive commands
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14
f4fc449a64ea target-utils libcommon infrastructure for interactive commands
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15 if (parse_args(argbulk, 1, 1, argv, 0) < 0)
f4fc449a64ea target-utils libcommon infrastructure for interactive commands
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16 return;
f4fc449a64ea target-utils libcommon infrastructure for interactive commands
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17 if (parse_hexarg(argv[0], 8, &addr) < 0) {
f4fc449a64ea target-utils libcommon infrastructure for interactive commands
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18 printf("ERROR: argument must be a valid 32-bit hex address\n");
f4fc449a64ea target-utils libcommon infrastructure for interactive commands
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19 return;
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20 }
f4fc449a64ea target-utils libcommon infrastructure for interactive commands
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21 if (addr & 3) {
f4fc449a64ea target-utils libcommon infrastructure for interactive commands
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22 printf("ERROR: unaligned address\n");
f4fc449a64ea target-utils libcommon infrastructure for interactive commands
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23 return;
f4fc449a64ea target-utils libcommon infrastructure for interactive commands
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24 }
f4fc449a64ea target-utils libcommon infrastructure for interactive commands
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25 printf("%08X\n", *(volatile u32 *)addr);
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26 }