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annotate target-utils/libcommon/cmd_r8.c @ 462:6500e1817d9b

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doc/Roadmap: written
author Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
date Mon, 23 Jun 2014 20:39:36 +0000
parents f4fc449a64ea
children
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f4fc449a64ea target-utils libcommon infrastructure for interactive commands
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1 /*
f4fc449a64ea target-utils libcommon infrastructure for interactive commands
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2 * r8 hexaddr -- read an 8-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_r8(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 }
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21 printf("%02X\n", *(volatile u8 *)addr);
f4fc449a64ea target-utils libcommon infrastructure for interactive commands
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22 }