X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/463871be6e6e2a23c8a7391aac47fa1048d5ca11..0aed2199a4ed53289dd51393e5afc6f65b06811a:/armsrc/BigBuf.c?ds=inline diff --git a/armsrc/BigBuf.c b/armsrc/BigBuf.c index 510f7bef..a5fcea7d 100644 --- a/armsrc/BigBuf.c +++ b/armsrc/BigBuf.c @@ -13,6 +13,7 @@ #include "proxmark3.h" #include "apps.h" #include "string.h" +#include "util.h" // BigBuf is the large multi-purpose buffer, typically used to hold A/D samples or traces. // Also used to hold various smaller buffers and the Mifare Emulator Memory. @@ -50,11 +51,21 @@ uint8_t *BigBuf_get_EM_addr(void) // clear ALL of BigBuf void BigBuf_Clear(void) +{ + BigBuf_Clear_ext(true); +} +// clear ALL of BigBuf +void BigBuf_Clear_ext(bool verbose) { memset(BigBuf,0,BIGBUF_SIZE); - Dbprintf("Buffer cleared (%i bytes)",BIGBUF_SIZE); + if (verbose) + Dbprintf("Buffer cleared (%i bytes)",BIGBUF_SIZE); } +void BigBuf_Clear_keep_EM(void) +{ + memset(BigBuf,0,BigBuf_hi); +} // allocate a chunk of memory from BigBuf. We allocate high memory first. The unallocated memory // at the beginning of BigBuf is always for traces/samples @@ -88,6 +99,16 @@ void BigBuf_free_keep_EM(void) } } +void BigBuf_print_status(void) +{ + Dbprintf("Memory"); + Dbprintf(" BIGBUF_SIZE.............%d", BIGBUF_SIZE); + Dbprintf(" BigBuf_hi .............%d", BigBuf_hi); + Dbprintf("Tracing"); + Dbprintf(" tracing ................%d", tracing); + Dbprintf(" traceLen ...............%d", traceLen); +} + // return the maximum trace length (i.e. the unallocated size of BigBuf) uint16_t BigBuf_max_traceLen(void) @@ -168,8 +189,12 @@ bool RAMFUNC LogTrace(const uint8_t *btBytes, uint16_t iLen, uint32_t timestamp_ traceLen += iLen; // parity bytes - if (parity != NULL && iLen != 0) { - memcpy(trace + traceLen, parity, num_paritybytes); + if (num_paritybytes != 0) { + if (parity != NULL) { + memcpy(trace + traceLen, parity, num_paritybytes); + } else { + memset(trace + traceLen, 0x00, num_paritybytes); + } } traceLen += num_paritybytes; @@ -218,6 +243,8 @@ int LogTraceHitag(const uint8_t * btBytes, int iBits, int iSamples, uint32_t dwP return TRUE; } + + // Emulator memory uint8_t emlSet(uint8_t *data, uint32_t offset, uint32_t length){ uint8_t* mem = BigBuf_get_EM_addr();