FreeCalypso > hg > freecalypso-citrine

annotate lldbg/cmd_r8.c @ 35:23dbd942aa56

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doc/Current_Status: update for the latest fixes
author Mychaela Falconia <falcon@freecalypso.org>
date Sat, 15 Oct 2016 05:15:23 +0000
parents 75a11d740a02
children
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Mychaela Falconia <falcon@freecalypso.org>
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1 /*
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2 * r8 hexaddr -- read an 8-bit register or memory location
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3 */
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4
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5 #include <sys/types.h>
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6 #include "types.h"
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7
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8 void
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9 lldbg_cmd_r8(argbulk)
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10 char *argbulk;
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11 {
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12 char *argv[2];
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13 u_long addr;
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15 if (lldbg_parse_args(argbulk, 1, 1, argv, 0) < 0)
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16 return;
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17 if (lldbg_parse_hexarg(argv[0], 8, &addr) < 0) {
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18 lldbg_printf("ERROR: argument must be a valid 32-bit hex address\n");
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19 return;
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20 }
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21 lldbg_printf("%02X\n", *(volatile u8 *)addr);
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22 }