| Line 21... |
Line 21... |
// 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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// Copyright (C) 2015, Gisselquist Technology, LLC
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// Copyright (C) 2015-2016, Gisselquist Technology, LLC
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//
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//
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// This program is free software (firmware): you can redistribute it and/or
|
// This program is free software (firmware): you can redistribute it and/or
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// modify it under the terms of the GNU General Public License as published
|
// modify it under the terms of the GNU General Public License as published
|
// by the Free Software Foundation, either version 3 of the License, or (at
|
// by the Free Software Foundation, either version 3 of the License, or (at
|
// your option) any later version.
|
// your option) any later version.
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| Line 509... |
Line 509... |
m_fpga->writei(a, 128, zbuf);
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m_fpga->writei(a, 128, zbuf);
|
break;
|
break;
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}
|
}
|
} m_fpga->readio(R_VERSION); // Check for buserrors
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} m_fpga->readio(R_VERSION); // Check for buserrors
|
|
|
|
printf("Loading memory\n");
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for(int i=0; secpp[i]->m_len; i++) {
|
for(int i=0; secpp[i]->m_len; i++) {
|
bool inflash=false;
|
bool inflash=false;
|
|
|
secp = secpp[i];
|
secp = secpp[i];
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if ((secp->m_start >= SPIFLASH)
|
if ((secp->m_start >= SPIFLASH)
|
| Line 521... |
Line 522... |
inflash = true;
|
inflash = true;
|
if (inflash) {
|
if (inflash) {
|
if (!flash)
|
if (!flash)
|
flash = new FLASHDRVR(m_fpga);
|
flash = new FLASHDRVR(m_fpga);
|
flash->write(secp->m_start, secp->m_len, secp->m_data, true);
|
flash->write(secp->m_start, secp->m_len, secp->m_data, true);
|
} else
|
} else if (secp->m_len < (1<<16)) {
|
m_fpga->writei(secp->m_start, secp->m_len, secp->m_data);
|
m_fpga->writei(secp->m_start, secp->m_len, secp->m_data);
|
|
} else {
|
|
// The load amount is so big, we'd like to let
|
|
// the user know where we're at along the way.
|
|
for(unsigned k=0; k<secp->m_len; k+=(1<<16)) {
|
|
unsigned ln = (1<<16),
|
|
st = secp->m_start+k;
|
|
if (st+ln > secp->m_start+secp->m_len)
|
|
ln = (secp->m_start+secp->m_len-st);
|
|
if (ln <= 0) break;
|
|
printf("Loading MEM[%08x]-MEM[%08x] ...\r",
|
|
st,st+ln-1); fflush(stdout);
|
|
m_fpga->writei(st, ln, &secp->m_data[k]);
|
|
m_fpga->readio(R_VERSION); // Check for buserrors
|
|
} printf("Loaded MEM[%08x]-MEM[%08x] \n",
|
|
secp->m_start,
|
|
secp->m_start+secp->m_len-1);
|
|
fflush(stdout);
|
|
}
|
|
printf("%08x - %08x\n", secp->m_start, secp->m_start+secp->m_len);
|
}
|
}
|
m_fpga->readio(R_ZIPCTRL); // Check for bus errors
|
m_fpga->readio(R_ZIPCTRL); // Check for bus errors
|
|
|
// Clear any buffers
|
// Clear any buffers
|
printf("Clearing the cache\n");
|
printf("Clearing the cache\n");
|
| Line 551... |
Line 571... |
m_fpga->writeio(R_ZIPDATA, entry);
|
m_fpga->writeio(R_ZIPDATA, entry);
|
|
|
printf("The CPU should be fully loaded, you may now start\n");
|
printf("The CPU should be fully loaded, you may now start\n");
|
printf("it. To start the CPU, type wbregs cpu 0\n");
|
printf("it. To start the CPU, type wbregs cpu 0\n");
|
} catch(BUSERR a) {
|
} catch(BUSERR a) {
|
fprintf(stderr, "XULA-BUS error\n");
|
fprintf(stderr, "\nXULA-BUS error @0x%08x\n", a.addr);
|
m_fpga->writeio(R_ZIPCTRL, CPU_RESET|CPU_HALT|CPU_CLRCACHE);
|
m_fpga->writeio(R_ZIPCTRL, CPU_RESET|CPU_HALT|CPU_CLRCACHE);
|
exit(-2);
|
exit(-2);
|
}
|
}
|
|
|
delete m_fpga;
|
delete m_fpga;
|
