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annotate loadagent/main.c @ 4:5c7b3d5d5702

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libprintf compiles with Anshit C GCC
author Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
date Mon, 29 Apr 2013 07:19:34 +0000
parents ddda170fa6f4
children 4a7a325ed1b6
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da98dc08f575 loadagent: beginning to lay the foundation
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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1 /*
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2 * FreeCalypso loadagent main() function lives here
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3 */
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4
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5 #include "types.h"
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6 #include "romvars.h"
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7 #include "ns16550.h"
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8 #include "halt.h"
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9
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10 #include <stdio.h>
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11
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12 extern struct boot_rom_vars rom_vars;
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13
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14 struct ns16550_regs *uart_base;
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15 char *uart_name;
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16
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17 uart_select_init()
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18 {
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19 switch (rom_vars.uart_id) {
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20 case 0:
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21 uart_base = (struct ns16550_regs *) 0xFFFF5800;
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22 uart_name = "MODEM";
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23 break;
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24 case 1:
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25 uart_base = (struct ns16550_regs *) 0xFFFF5000;
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26 uart_name = "IrDA";
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27 break;
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28 default:
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29 _exit(HALTCODE_INVALIDUART);
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30 }
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31 }
2
ddda170fa6f4 loadagent.elf compiled and linked, no printf yet
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32
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33 main()
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34 {
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35 uart_select_init();
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36 #if 0
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37 printf("FreeCalypso loadagent running\n");
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38 printf("Loaded via UART %d (%s) at baud rate #%d\n", rom_vars.uart_id,
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39 uart_name, rom_vars.baud_rate_code);
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40 printf("TCXO clock input autodetected to be %d MHz\n",
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41 rom_vars.clktcxo_13mhz ? 13 : 26);
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42 #endif
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43 /* interactive command mode to be implemented */
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44 while (1)
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45 ;
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46 }