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Line 2... |
//
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//
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// Filename: eqspiscope.cpp
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// Filename: eqspiscope.cpp
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//
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//
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// Project: XuLA2-LX25 SoC based upon the ZipCPU
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// Project: XuLA2-LX25 SoC based upon the ZipCPU
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//
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//
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// Purpose:
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// Purpose: This program decodes the bits in the debugging wires output
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// from the eqspiflash module, and stored in the Wishbone Scope
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// device. The result is placed on the screen output, so you can see what
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// is going on internal to the device.
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//
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//
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//
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// Creator: Dan Gisselquist, Ph.D.
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// Creator: Dan Gisselquist, Ph.D.
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// Gisselquist Technology, LLC
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// Gisselquist Technology, LLC
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//
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//
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////////////////////////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////////////////////////
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Line 60... |
m_fpga->kill();
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m_fpga->kill();
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exit(0);
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exit(0);
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}
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}
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class EQSPISCOPE : public SCOPE {
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class EQSPISCOPE : public SCOPE {
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int m_oword[2], m_iword[2], m_p;
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// While I put these in at one time, they really mess up other scopes,
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// since setting parameters based upon the debug word forces the decoder
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// to be non-constant, calling methods change, etc., etc., etc.
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//
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// int m_oword[2], m_iword[2], m_p;
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public:
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public:
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EQSPISCOPE(FPGA *fpga, unsigned addr, bool vecread)
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EQSPISCOPE(FPGA *fpga, unsigned addr, bool vecread)
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: SCOPE(fpga, addr, false, false) {};
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: SCOPE(fpga, addr, false, false) {};
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~EQSPISCOPE(void) {}
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~EQSPISCOPE(void) {}
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virtual void decode(DEVBUS::BUSW val) {
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virtual void decode(DEVBUS::BUSW val) const {
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int cyc, cstb, dstb, ack, back, accepted, valid, word,
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int cyc, cstb, dstb, ack, back, accepted, valid, word,
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out, cs, sck, mod, odat, idat;
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out, cs, sck, mod, odat, idat;
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cyc = (val>>31)&1;
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cyc = (val>>31)&1;
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cstb = (val>>30)&1;
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cstb = (val>>30)&1;
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Line 88... |
sck = (val>>10)&1;
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sck = (val>>10)&1;
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mod = (val>> 8)&3;
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mod = (val>> 8)&3;
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odat = (val>> 4)&15;
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odat = (val>> 4)&15;
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idat = (val )&15;
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idat = (val )&15;
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m_p = (m_p^1)&1;
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/*
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if (mod&2) {
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m_p = (m_p^1)&1;
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m_oword[m_p] = (m_oword[m_p]<<4)|odat;
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if (mod&2) {
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m_iword[m_p] = (m_iword[m_p]<<4)|idat;
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m_oword[m_p] = (m_oword[m_p]<<4)|odat;
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} else {
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m_iword[m_p] = (m_iword[m_p]<<4)|idat;
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m_oword[m_p] = (m_oword[m_p]<<1)|(odat&1);
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} else {
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m_iword[m_p] = (m_iword[m_p]<<1)|((idat&2)?1:0);
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m_oword[m_p] = (m_oword[m_p]<<1)|(odat&1);
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}
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m_iword[m_p] = (m_iword[m_p]<<1)|((idat&2)?1:0);
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}
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*/
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printf("%s%s%s%s%s%s%s %02x %02x %s%s %d %x.%d-> ->%x.%d",
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printf("%s%s%s%s%s%s%s %02x %02x %s%s %d %x.%d-> ->%x.%d",
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(cyc)?"CYC ":" ",
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(cyc)?"CYC ":" ",
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(cstb)?"CSTB":" ",
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(cstb)?"CSTB":" ",
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(dstb)?"DSTB":" ",
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(dstb)?"DSTB":" ",
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Line 112... |
word<<1, out<<2,
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word<<1, out<<2,
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(cs)?" ":"CS",
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(cs)?" ":"CS",
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(sck)?"CK":" ",
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(sck)?"CK":" ",
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(mod), odat, (odat&1)?1:0, idat, (idat&2)?1:0);
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(mod), odat, (odat&1)?1:0, idat, (idat&2)?1:0);
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printf(" / %08x -> %08x", m_oword[m_p], m_iword[m_p]);
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// printf(" / %08x -> %08x", m_oword[m_p], m_iword[m_p]);
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}
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}
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};
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};
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int main(int argc, char **argv) {
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int main(int argc, char **argv) {
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