FreeCalypso > hg > freecalypso-tools

annotate target-utils/libcommon/uartsel.c @ 1011:6d9b10633f10 default tip

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etmsync Pirelli IMEI retrieval: fix poor use of printf() Bug reported by Vadim Yanitskiy <fixeria@osmocom.org>: the construct where a static-allocated string was passed to printf() without any format arguments causes newer compilers to report a security problem. Given that formatted output is not needed here, just fixed string output, change printf() to fputs(), and direct the error message to stderr while at it.
author Mychaela Falconia <falcon@freecalypso.org>
date Thu, 23 May 2024 17:29:57 +0000
parents 2942c5ef76ed
children
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1 /*
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2 * uart_select_init() figures out which UART was used to load us
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3 * through the boot ROM, and sets things up for us to use the same
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4 * UART for our communication.
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5 */
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6
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7 #include "types.h"
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8 #include "romvars.h"
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9 #include "ns16550.h"
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10 #include "halt.h"
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11
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12 extern struct ns16550_regs *uart_base;
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14 static u16 rom_version;
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15 static struct boot_rom_vars *rom_vars;
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16 static char *uart_name;
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18 uart_select_init()
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19 {
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20 rom_version = *(const u16 *)0x1FFE;
0
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22 switch (rom_version) {
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23 case 0x0200:
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24 rom_vars = (struct boot_rom_vars *) 0x800504;
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25 break;
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26 case 0x0300:
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27 rom_vars = (struct boot_rom_vars *) 0x800518;
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28 break;
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29 default:
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30 _exit(HALTCODE_BOOTROMVER);
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31 }
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32
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33 switch (rom_vars->uart_id) {
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34 case 0:
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35 uart_base = (struct ns16550_regs *) 0xFFFF5800;
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36 uart_name = "MODEM";
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37 break;
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38 case 1:
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39 uart_base = (struct ns16550_regs *) 0xFFFF5000;
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40 uart_name = "IrDA";
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41 break;
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42 default:
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43 _exit(HALTCODE_INVALIDUART);
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44 }
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45 }
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47 print_boot_rom_info()
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48 {
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49 printf("Loaded via boot ROM v%04X, UART %d (%s) at baud rate #%d\n",
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50 rom_version, rom_vars->uart_id, uart_name,
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51 rom_vars->baud_rate_code);
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52 printf("CLKTCXO input autodetected to be %d MHz\n",
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53 rom_vars->clktcxo_13mhz ? 13 : 26);
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54 }