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fpga: added iCLASS on deviceside

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iceman1001 2020-07-10 16:37:56 +02:00
commit a25a5322dd
13 changed files with 1072 additions and 99 deletions
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81
armsrc/BigBuf.c
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@ -22,29 +22,29 @@ extern uint8_t _stack_start, __bss_end__;
static uint8_t *BigBuf = &__bss_end__;
/* BigBuf memory layout:
Pointer to highest available memory: BigBuf_hi
high BigBuf_size
reserved = BigBuf_malloc() subtracts amount from BigBuf_hi,
Pointer to highest available memory: s_bigbuf_hi
high s_bigbuf_size
reserved = BigBuf_malloc() subtracts amount from s_bigbuf_hi,
low 0x00
*/
static uint32_t BigBuf_size = 0;
static uint32_t s_bigbuf_size = 0;
// High memory mark
static uint32_t BigBuf_hi = 0;
static uint32_t s_bigbuf_hi = 0;
// pointer to the emulator memory.
static uint8_t *emulator_memory = NULL;
// trace related variables
static uint32_t traceLen = 0;
static uint32_t trace_len = 0;
static bool tracing = true;
// compute the available size for BigBuf
void BigBuf_initialize(void) {
BigBuf_size = (uint32_t)&_stack_start - (uint32_t)&__bss_end__;
BigBuf_hi = BigBuf_size;
traceLen = 0;
s_bigbuf_size = (uint32_t)&_stack_start - (uint32_t)&__bss_end__;
s_bigbuf_hi = s_bigbuf_size;
trace_len = 0;
}
// get the address of BigBuf
@ -53,7 +53,7 @@ uint8_t *BigBuf_get_addr(void) {
}
uint32_t BigBuf_get_size(void) {
return BigBuf_size;
return s_bigbuf_size;
}
// get the address of the emulator memory. Allocate part of Bigbuf for it, if not yet done
@ -64,6 +64,11 @@ uint8_t *BigBuf_get_EM_addr(void) {
return emulator_memory;
}
/*
uint32_t BigBuf_get_EM_size(void) {
return CARD_MEMORY_SIZE;
}
*/
// clear ALL of BigBuf
void BigBuf_Clear(void) {
@ -72,9 +77,9 @@ void BigBuf_Clear(void) {
// clear ALL of BigBuf
void BigBuf_Clear_ext(bool verbose) {
memset(BigBuf, 0, BigBuf_size);
memset(BigBuf, 0, s_bigbuf_size);
if (verbose)
Dbprintf("Buffer cleared (%i bytes)", BigBuf_size);
Dbprintf("Buffer cleared (%i bytes)", s_bigbuf_size);
}
void BigBuf_Clear_EM(void) {
@ -82,23 +87,23 @@ void BigBuf_Clear_EM(void) {
}
void BigBuf_Clear_keep_EM(void) {
memset(BigBuf, 0, BigBuf_hi);
memset(BigBuf, 0, s_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
uint8_t *BigBuf_malloc(uint16_t chunksize) {
if (BigBuf_hi < chunksize)
if (s_bigbuf_hi < chunksize)
return NULL; // no memory left
chunksize = (chunksize + 3) & 0xfffc; // round to next multiple of 4
BigBuf_hi -= chunksize; // aligned to 4 Byte boundary
return (uint8_t *)BigBuf + BigBuf_hi;
s_bigbuf_hi -= chunksize; // aligned to 4 Byte boundary
return (uint8_t *)BigBuf + s_bigbuf_hi;
}
// free ALL allocated chunks. The whole BigBuf is available for traces or samples again.
void BigBuf_free(void) {
BigBuf_hi = BigBuf_size;
s_bigbuf_hi = s_bigbuf_size;
emulator_memory = NULL;
// shouldn't this empty BigBuf also?
}
@ -106,33 +111,33 @@ void BigBuf_free(void) {
// free allocated chunks EXCEPT the emulator memory
void BigBuf_free_keep_EM(void) {
if (emulator_memory != NULL)
BigBuf_hi = emulator_memory - (uint8_t *)BigBuf;
s_bigbuf_hi = emulator_memory - (uint8_t *)BigBuf;
else
BigBuf_hi = BigBuf_size;
s_bigbuf_hi = s_bigbuf_size;
// shouldn't this empty BigBuf also?
}
void BigBuf_print_status(void) {
DbpString(_CYAN_("Memory"));
Dbprintf(" BigBuf_size.............%d", BigBuf_size);
Dbprintf(" Available memory........%d", BigBuf_hi);
Dbprintf(" BigBuf_size.............%d", s_bigbuf_size);
Dbprintf(" Available memory........%d", s_bigbuf_hi);
DbpString(_CYAN_("Tracing"));
Dbprintf(" tracing ................%d", tracing);
Dbprintf(" traceLen ...............%d", traceLen);
Dbprintf(" traceLen ...............%d", trace_len);
}
// return the maximum trace length (i.e. the unallocated size of BigBuf)
uint16_t BigBuf_max_traceLen(void) {
return BigBuf_hi;
return s_bigbuf_hi;
}
void clear_trace(void) {
traceLen = 0;
trace_len = 0;
}
void set_tracelen(uint32_t value) {
traceLen = value;
trace_len = value;
}
void set_tracing(bool enable) {
@ -148,7 +153,7 @@ bool get_tracing(void) {
* @return
*/
uint32_t BigBuf_get_traceLen(void) {
return traceLen;
return trace_len;
}
/**
@ -164,12 +169,12 @@ bool RAMFUNC LogTrace(const uint8_t *btBytes, uint16_t iLen, uint32_t timestamp_
}
uint8_t *trace = BigBuf_get_addr();
tracelog_hdr_t *hdr = (tracelog_hdr_t *)(trace + traceLen);
tracelog_hdr_t *hdr = (tracelog_hdr_t *)(trace + trace_len);
uint32_t num_paritybytes = (iLen - 1) / 8 + 1; // number of valid paritybytes in *parity
// Return when trace is full
if (TRACELOG_HDR_LEN + iLen + num_paritybytes >= BigBuf_max_traceLen() - traceLen) {
if (TRACELOG_HDR_LEN + iLen + num_paritybytes >= BigBuf_max_traceLen() - trace_len) {
tracing = false; // don't trace any more
if (DBGLEVEL >= DBG_DEBUG) { Dbprintf("trace is full"); }
return false;
@ -185,33 +190,35 @@ bool RAMFUNC LogTrace(const uint8_t *btBytes, uint16_t iLen, uint32_t timestamp_
if (duration > 0x7FFF) {
if (DBGLEVEL >= DBG_DEBUG) {
Dbprintf("Error in LogTrace: duration too long for 15 bits encoding: 0x%08x start:0x%08x end:0x%08x", duration, timestamp_start, timestamp_end);
Dbprintf("Forcing duration = 0");
// Dbprintf("Forcing duration = 0");
}
duration = 0;
duration /= 32;
// duration >>= 5;
// duration = 0;
}
hdr->timestamp = timestamp_start;
hdr->duration = duration;
hdr->data_len = iLen;
hdr->isResponse = !readerToTag;
traceLen += TRACELOG_HDR_LEN;
trace_len += TRACELOG_HDR_LEN;
// data bytes
if (btBytes != NULL && iLen != 0) {
memcpy(trace + traceLen, btBytes, iLen);
memcpy(trace + trace_len, btBytes, iLen);
}
traceLen += iLen;
trace_len += iLen;
// parity bytes
if (num_paritybytes != 0) {
if (parity != NULL) {
memcpy(trace + traceLen, parity, num_paritybytes);
memcpy(trace + trace_len, parity, num_paritybytes);
} else {
memset(trace + traceLen, 0x00, num_paritybytes);
memset(trace + trace_len, 0x00, num_paritybytes);
}
}
traceLen += num_paritybytes;
trace_len += num_paritybytes;
return true;
}