FreeCalypso > hg > freecalypso-sw

annotate target-utils/libcommon/cmd_r32.c @ 992:a7b0b426f9ca

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target-utils: boot ROM UART autodetection revamped The new implementation should work with both the familiar Calypso C035 boot ROM version found in our regular targets as well as the older Calypso F741979B version found on the vintage D-Sample board.
author Mychaela Falconia <falcon@ivan.Harhan.ORG>
date Wed, 30 Dec 2015 21:28:41 +0000
parents f4fc449a64ea
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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f4fc449a64ea target-utils libcommon infrastructure for interactive commands
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1 /*
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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;
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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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14
f4fc449a64ea target-utils libcommon infrastructure for interactive commands
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15 if (parse_args(argbulk, 1, 1, argv, 0) < 0)
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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 if (addr & 3) {
f4fc449a64ea target-utils libcommon infrastructure for interactive commands
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22 printf("ERROR: unaligned address\n");
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23 return;
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24 }
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25 printf("%08X\n", *(volatile u32 *)addr);
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26 }