FreeCalypso > hg > freecalypso-sw

annotate rvinterf/include/limits.h @ 923:10b4bed10192

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gsm-fw/L1: fix for the DSP patch corruption bug The L1 code we got from the LoCosto fw contains a feature for DSP CPU load measurement. This feature is a LoCosto-ism, i.e., not applicable to earlier DBB chips (Calypso) with their respective earlier DSP ROMs. Most of the code dealing with that feature is conditionalized as #if (DSP >= 38), but one spot was missed, and the MCU code was writing into an API word dealing with this feature. In TCS211 this DSP API word happens to be used by the DSP code patch, hence that write was corrupting the patched DSP code.
author Mychaela Falconia <falcon@ivan.Harhan.ORG>
date Mon, 19 Oct 2015 17:13:56 +0000
parents 2f285f20d617
children
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1 /*
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2 * For sizing our buffers etc in the rvinterf suite, including the local
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3 * UNIX domain socket protocol between rvinterf and fc-tmsh etc, we need
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4 * to have some limits on the message sizes in both host->target and
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5 * target->host directions.
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6 *
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7 * For the host->target direction, the choice of message size limit is
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8 * easy: the packet Rx code in RVT on the target side also has a limit
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9 * (quite naturally, as it needs to use a static buffer to reassemble
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10 * incoming packets as they arrive at the UART in unpredictable interrupt-
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11 * sized chunks), so we set our limit to match that in RVT.
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12 */
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14 #define MAX_PKT_TO_TARGET 255
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16 /*
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17 * In the other direction (target->host), there is no fixed limit
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18 * definition easily visible in the target fw code: any fw component
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19 * can call rvt_send_trace_cpy() or rvt_mem_alloc() followed by
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20 * rvt_send_trace_no_cpy(), or some higher-level API that reduces to
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21 * these functions, with a message of any size, subject only to memory
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22 * limits, which obviously aren't as strict as a #define'd maximum
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23 * message size. Hence in this direction we use our own arbitrary
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24 * choice of size limit.
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25 */
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27 #define MAX_PKT_FROM_TARGET 512
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29 /*
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30 * Both limit definitions above counts all bytes between the opening and
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31 * closing STX flags, but not DLEs inserted for binary transparency.
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32 */