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Rw11CntlRK11.cpp
634 lines (542 loc) · 21.9 KB
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Rw11CntlRK11.cpp
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// $Id: Rw11CntlRK11.cpp 1186 2019-07-12 17:49:59Z mueller $
// SPDX-License-Identifier: GPL-3.0-or-later
// Copyright 2013-2019 by Walter F.J. Mueller <W.F.J.Mueller@gsi.de>
// Other credits:
// the boot code is from the simh project and Copyright Robert M Supnik
//
// Revision History:
// Date Rev Version Comment
// 2019-04-19 1133 2.0.12 use ExecWibr()
// 2019-04-14 1131 2.0.11 proper unit init, call UnitSetupAll() in Start()
// 2019-02-23 1114 2.0.10 use std::bind instead of lambda
// 2018-12-19 1090 2.0.9 use RosPrintf(bool)
// 2018-12-15 1082 2.0.8 use std::bind or lambda instead of boost::bind
// 2018-12-09 1080 2.0.7 use HasVirt(); Virt() returns ref
// 2018-10-28 1062 2.0.6 replace boost/foreach
// 2017-04-02 865 2.0.5 Dump(): add detail arg
// 2017-03-03 858 2.0.4 use cntl name as message prefix
// 2017-02-26 857 2.0.3 use kCPAH_M_UBM22
// 2015-06-04 686 2.0.2 check for spurious lams
// 2015-02-17 647 2.0.1 use Nwrd2Nblk(); BUGFIX: revise RdmaPostExecCB()
// 2015-01-04 628 2.0 use Rw11RdmaDisk
// 2014-12-30 625 1.2 adopt to Rlink V4 attn logic
// 2014-12-25 621 1.1 adopt to 4k word ibus window
// 2014-06-14 562 1.0.1 Add stats
// 2013-04-20 508 1.0 Initial version
// 2013-02-10 485 0.1 First draft
// ---------------------------------------------------------------------------
/*!
\brief Implemenation of Rw11CntlRK11.
*/
#include <functional>
#include "librtools/RosFill.hpp"
#include "librtools/RosPrintBvi.hpp"
#include "librtools/RosPrintf.hpp"
#include "librtools/Rexception.hpp"
#include "librtools/RlogMsg.hpp"
#include "Rw11CntlRK11.hpp"
using namespace std::placeholders;
using namespace std;
/*!
\class Retro::Rw11CntlRK11
\brief FIXME_docs
*/
// all method definitions in namespace Retro
namespace Retro {
//------------------------------------------+-----------------------------------
// constants definitions
const uint16_t Rw11CntlRK11::kIbaddr;
const int Rw11CntlRK11::kLam;
const uint16_t Rw11CntlRK11::kRKDS;
const uint16_t Rw11CntlRK11::kRKER;
const uint16_t Rw11CntlRK11::kRKCS;
const uint16_t Rw11CntlRK11::kRKWC;
const uint16_t Rw11CntlRK11::kRKBA;
const uint16_t Rw11CntlRK11::kRKDA;
const uint16_t Rw11CntlRK11::kRKMR;
const uint16_t Rw11CntlRK11::kProbeOff;
const bool Rw11CntlRK11::kProbeInt;
const bool Rw11CntlRK11::kProbeRem;
const uint16_t Rw11CntlRK11::kRKDS_M_ID;
const uint16_t Rw11CntlRK11::kRKDS_V_ID;
const uint16_t Rw11CntlRK11::kRKDS_B_ID;
const uint16_t Rw11CntlRK11::kRKDS_M_HDEN;
const uint16_t Rw11CntlRK11::kRKDS_M_DRU;
const uint16_t Rw11CntlRK11::kRKDS_M_SIN;
const uint16_t Rw11CntlRK11::kRKDS_M_SOK;
const uint16_t Rw11CntlRK11::kRKDS_M_DRY;
const uint16_t Rw11CntlRK11::kRKDS_M_ADRY;
const uint16_t Rw11CntlRK11::kRKDS_M_WPS;
const uint16_t Rw11CntlRK11::kRKDS_B_SC;
const uint16_t Rw11CntlRK11::kRKER_M_DRE;
const uint16_t Rw11CntlRK11::kRKER_M_OVR;
const uint16_t Rw11CntlRK11::kRKER_M_WLO;
const uint16_t Rw11CntlRK11::kRKER_M_PGE;
const uint16_t Rw11CntlRK11::kRKER_M_NXM;
const uint16_t Rw11CntlRK11::kRKER_M_NXD;
const uint16_t Rw11CntlRK11::kRKER_M_NXC;
const uint16_t Rw11CntlRK11::kRKER_M_NXS;
const uint16_t Rw11CntlRK11::kRKER_M_CSE;
const uint16_t Rw11CntlRK11::kRKER_M_WCE;
const uint16_t Rw11CntlRK11::kRKCS_M_MAINT;
const uint16_t Rw11CntlRK11::kRKCS_M_IBA;
const uint16_t Rw11CntlRK11::kRKCS_M_FMT;
const uint16_t Rw11CntlRK11::kRKCS_M_RWA;
const uint16_t Rw11CntlRK11::kRKCS_M_SSE;
const uint16_t Rw11CntlRK11::kRKCS_M_RDY;
const uint16_t Rw11CntlRK11::kRKCS_M_MEX;
const uint16_t Rw11CntlRK11::kRKCS_V_MEX;
const uint16_t Rw11CntlRK11::kRKCS_B_MEX;
const uint16_t Rw11CntlRK11::kRKCS_V_FUNC;
const uint16_t Rw11CntlRK11::kRKCS_B_FUNC;
const uint16_t Rw11CntlRK11::kRKCS_M_GO;
const uint16_t Rw11CntlRK11::kFUNC_CRESET;
const uint16_t Rw11CntlRK11::kFUNC_WRITE;
const uint16_t Rw11CntlRK11::kFUNC_READ;
const uint16_t Rw11CntlRK11::kFUNC_WCHK;
const uint16_t Rw11CntlRK11::kFUNC_SEEK;
const uint16_t Rw11CntlRK11::kFUNC_RCHK;
const uint16_t Rw11CntlRK11::kFUNC_DRESET;
const uint16_t Rw11CntlRK11::kFUNC_WLOCK;
const uint16_t Rw11CntlRK11::kRKDA_M_DRSEL;
const uint16_t Rw11CntlRK11::kRKDA_V_DRSEL;
const uint16_t Rw11CntlRK11::kRKDA_B_DRSEL;
const uint16_t Rw11CntlRK11::kRKDA_M_CYL;
const uint16_t Rw11CntlRK11::kRKDA_V_CYL;
const uint16_t Rw11CntlRK11::kRKDA_B_CYL;
const uint16_t Rw11CntlRK11::kRKDA_M_SUR;
const uint16_t Rw11CntlRK11::kRKDA_V_SUR;
const uint16_t Rw11CntlRK11::kRKDA_B_SUR;
const uint16_t Rw11CntlRK11::kRKDA_B_SC;
const uint16_t Rw11CntlRK11::kRKMR_M_RID;
const uint16_t Rw11CntlRK11::kRKMR_V_RID;
const uint16_t Rw11CntlRK11::kRKMR_M_CRDONE;
const uint16_t Rw11CntlRK11::kRKMR_M_SBCLR;
const uint16_t Rw11CntlRK11::kRKMR_M_CRESET;
const uint16_t Rw11CntlRK11::kRKMR_M_FDONE;
//------------------------------------------+-----------------------------------
//! Default constructor
Rw11CntlRK11::Rw11CntlRK11()
: Rw11CntlBase<Rw11UnitRK11,8>("rk11"),
fPC_rkwc(0),
fPC_rkba(0),
fPC_rkda(0),
fPC_rkmr(0),
fPC_rkcs(0),
fRd_rkcs(0),
fRd_rkda(0),
fRd_addr(0),
fRd_lba(0),
fRd_nwrd(0),
fRd_fu(0),
fRd_ovr(false),
fRdma(this,
std::bind(&Rw11CntlRK11::RdmaPreExecCB, this, _1, _2, _3, _4),
std::bind(&Rw11CntlRK11::RdmaPostExecCB, this, _1, _2, _3, _4))
{
// must be here because Units have a back-ptr (not available at Rw11CntlBase)
for (size_t i=0; i<NUnit(); i++) {
fspUnit[i].reset(new Rw11UnitRK11(this, i));
}
fStats.Define(kStatNFuncCreset , "NFuncCreset" , "func CRESET");
fStats.Define(kStatNFuncWrite , "NFuncWrite" , "func WRITE");
fStats.Define(kStatNFuncRead , "NFuncRead" , "func READ");
fStats.Define(kStatNFuncWchk , "NFuncWchk" , "func WCHK");
fStats.Define(kStatNFuncSeek , "NFuncSeek" , "func SEEK");
fStats.Define(kStatNFuncRchk , "NFuncRchk" , "func RCHK");
fStats.Define(kStatNFuncDreset , "NFuncDreset" , "func DRESET");
fStats.Define(kStatNFuncWlock , "NFuncWlock " , "func WLOCK");
}
//------------------------------------------+-----------------------------------
//! Destructor
Rw11CntlRK11::~Rw11CntlRK11()
{}
//------------------------------------------+-----------------------------------
//! FIXME_docs
void Rw11CntlRK11::Config(const std::string& name, uint16_t base, int lam)
{
ConfigCntl(name, base, lam, kProbeOff, kProbeInt, kProbeRem);
return;
}
//------------------------------------------+-----------------------------------
//! FIXME_docs
void Rw11CntlRK11::Start()
{
if (fStarted || fLam<0 || !fEnable || !fProbe.Found())
throw Rexception("Rw11CntlRK11::Start",
"Bad state: started, no lam, not enable, not found");
// add device register address ibus and rbus mappings
// done here because now Cntl bound to Cpu and Cntl probed
Cpu().AllIAddrMapInsert(Name()+".ds", Base() + kRKDS);
Cpu().AllIAddrMapInsert(Name()+".er", Base() + kRKER);
Cpu().AllIAddrMapInsert(Name()+".cs", Base() + kRKCS);
Cpu().AllIAddrMapInsert(Name()+".wc", Base() + kRKWC);
Cpu().AllIAddrMapInsert(Name()+".ba", Base() + kRKBA);
Cpu().AllIAddrMapInsert(Name()+".da", Base() + kRKDA);
Cpu().AllIAddrMapInsert(Name()+".mr", Base() + kRKMR);
// ensure unit status is initialized
UnitSetupAll();
// setup primary info clist
fPrimClist.Clear();
fPrimClist.AddAttn();
fPC_rkwc = Cpu().AddRibr(fPrimClist, fBase+kRKWC);
fPC_rkba = Cpu().AddRibr(fPrimClist, fBase+kRKBA);
fPC_rkda = Cpu().AddRibr(fPrimClist, fBase+kRKDA);
fPC_rkmr = Cpu().AddRibr(fPrimClist, fBase+kRKMR); // read to monitor CRDONE
fPC_rkcs = Cpu().AddRibr(fPrimClist, fBase+kRKCS);
// add attn handler
Server().AddAttnHandler(bind(&Rw11CntlRK11::AttnHandler, this, _1),
uint16_t(1)<<fLam, this);
fStarted = true;
return;
}
//------------------------------------------+-----------------------------------
//! FIXME_docs
void Rw11CntlRK11::UnitSetup(size_t ind)
{
Rw11UnitRK11& unit = *fspUnit[ind];
uint16_t rkds = ind<<kRKDS_V_ID;
if (unit.HasVirt()) { // file attached
rkds |= kRKDS_M_HDEN; // always high density
rkds |= kRKDS_M_SOK; // always sector counter OK ?FIXME?
rkds |= kRKDS_M_DRY; // drive available
rkds |= kRKDS_M_ADRY; // access available
if (unit.WProt()) // in case write protected
rkds |= kRKDS_M_WPS;
}
unit.SetRkds(rkds);
Cpu().ExecWibr(fBase+kRKDS, rkds);
return;
}
//------------------------------------------+-----------------------------------
//! FIXME_docs
bool Rw11CntlRK11::BootCode(size_t unit, std::vector<uint16_t>& code,
uint16_t& aload, uint16_t& astart)
{
uint16_t kBOOT_START = 02000;
uint16_t bootcode[] = { // rk11 boot loader - from simh pdp11_rk.c (v3.9)
0042113, // "KD"
0012706, kBOOT_START, // MOV #boot_start, SP
0012700, uint16_t(unit), // MOV #unit, R0 ; unit number
0010003, // MOV R0, R3
0000303, // SWAB R3
0006303, // ASL R3
0006303, // ASL R3
0006303, // ASL R3
0006303, // ASL R3
0006303, // ASL R3
0012701, 0177412, // MOV #RKDA, R1 ; rkda
0010311, // MOV R3, (R1) ; load da
0005041, // CLR -(R1) ; clear ba
0012741, 0177000, // MOV #-256.*2, -(R1) ; load wc
0012741, 0000005, // MOV #READ+GO, -(R1) ; read & go
0005002, // CLR R2
0005003, // CLR R3
0012704, uint16_t(kBOOT_START+020), // MOV #START+20, R4 ; ?? unclear ??
0005005, // CLR R5
0105711, // TSTB (R1)
0100376, // BPL .-4
0105011, // CLRB (R1)
0005007 // CLR PC (5007)
};
code.clear();
code.insert(code.end(), std::begin(bootcode), std::end(bootcode));
aload = kBOOT_START;
astart = kBOOT_START+2;
return true;
}
//------------------------------------------+-----------------------------------
//! FIXME_docs
void Rw11CntlRK11::Dump(std::ostream& os, int ind, const char* text,
int detail) const
{
RosFill bl(ind);
os << bl << (text?text:"--") << "Rw11CntlRK11 @ " << this << endl;
os << bl << " fPC_rkwc: " << fPC_rkwc << endl;
os << bl << " fPC_rkba: " << fPC_rkba << endl;
os << bl << " fPC_rkda: " << fPC_rkda << endl;
os << bl << " fPC_rkmr: " << fPC_rkmr << endl;
os << bl << " fPC_rkcs: " << fPC_rkcs << endl;
os << bl << " fRd_rkcs: " << fRd_rkcs << endl;
os << bl << " fRd_rkda: " << fRd_rkda << endl;
os << bl << " fRd_addr: " << fRd_addr << endl;
os << bl << " fRd_lba: " << fRd_lba << endl;
os << bl << " fRd_nwrd: " << fRd_nwrd << endl;
os << bl << " fRd_fu: " << fRd_fu << endl;
os << bl << " fRd_ovr: " << RosPrintf(fRd_ovr) << endl;
fRdma.Dump(os, ind+2, "fRdma: ", detail);
Rw11CntlBase<Rw11UnitRK11,8>::Dump(os, ind, " ^", detail);
return;
}
//------------------------------------------+-----------------------------------
//! FIXME_docs
int Rw11CntlRK11::AttnHandler(RlinkServer::AttnArgs& args)
{
fStats.Inc(kStatNAttnHdl);
Server().GetAttnInfo(args, fPrimClist);
uint16_t rkwc = fPrimClist[fPC_rkwc].Data();
uint16_t rkba = fPrimClist[fPC_rkba].Data();
uint16_t rkda = fPrimClist[fPC_rkda].Data();
//uint16_t rkmr = fPrimClist[fPC_rkmr].Data();
uint16_t rkcs = fPrimClist[fPC_rkcs].Data();
uint16_t se = rkda & kRKDA_B_SC;
uint16_t hd = (rkda>>kRKDA_V_SUR) & kRKDA_B_SUR;
uint16_t cy = (rkda>>kRKDA_V_CYL) & kRKDA_B_CYL;
uint16_t dr = (rkda>>kRKDA_V_DRSEL) & kRKDA_B_DRSEL;
bool go = rkcs & kRKCS_M_GO;
uint16_t fu = (rkcs>>kRKCS_V_FUNC) & kRKCS_B_FUNC;
uint16_t mex = (rkcs>>kRKCS_V_MEX) & kRKCS_B_MEX;
uint32_t addr = uint32_t(mex)<<16 | uint32_t(rkba);
// Note: apparently are operands first promoted to 32 bit -> mask after ~ !
uint32_t nwrd = (~uint32_t(rkwc)&0xffff) + 1; // transfer size in words
if (!go) {
RlogMsg lmsg(LogFile());
lmsg << "-I " << Name() << ":"
<< " cs=" << RosPrintBvi(rkcs,8)
<< " go=0, spurious attn, dropped";
return 0;
}
// all 8 units are always available, but check anyway
if (dr > NUnit())
throw Rexception("Rw11CntlRK11::AttnHandler","Bad state: dr > NUnit()");
Rw11UnitRK11& unit = *fspUnit[dr];
Rw11Cpu& cpu = Cpu();
RlinkCommandList clist;
uint32_t lba = unit.Chs2Lba(cy,hd,se);
uint32_t nblk = unit.Nwrd2Nblk(nwrd);
uint16_t rker = 0;
uint16_t rkds = unit.Rkds();
if (fTraceLevel>0) {
RlogMsg lmsg(LogFile());
static const char* fumnemo[8] = {"cr","w ","r ","wc","sk","rc","dr","wl"};
lmsg << "-I " << Name() << ":"
<< " cs=" << RosPrintBvi(rkcs,8)
<< " da=" << RosPrintBvi(rkda,8)
<< " ad=" << RosPrintBvi(addr,8,18)
<< " fu=" << fumnemo[fu&0x7]
<< " pa=" << dr
<< "," << RosPrintf(cy,"d",3)
<< "," << hd
<< "," << RosPrintf(se,"d",2)
<< " la,nw=" << RosPrintf(lba,"d",4)
<< "," << RosPrintf(nwrd,"d",5);
}
// check for spurious interrupts (either RDY=1 or RDY=0 and rdma busy)
if ((rkcs & kRKCS_M_RDY) || fRdma.IsActive()) {
RlogMsg lmsg(LogFile());
lmsg << "-E " << Name() << ": err"
<< " cr=" << RosPrintBvi(rkcs,8)
<< " spurious lam: "
<< (fRdma.IsActive() ? "RDY=0 and Rdma busy" : "RDY=1");
return 0;
}
// check for general abort conditions
if (fu != kFUNC_CRESET && // function not control reset
(!unit.HasVirt())) { // and drive not attached
rker = kRKER_M_NXD; // --> abort with NXD error
} else if (fu != kFUNC_WRITE && // function neither write
fu != kFUNC_READ && // nor read
(rkcs & (kRKCS_M_FMT|kRKCS_M_RWA))) { // and FMT or RWA set
rker = kRKER_M_PGE; // --> abort with PGE error
} else if (rkcs & kRKCS_M_RWA) { // RWA not supported
rker = kRKER_M_DRE; // --> abort with DRE error
}
if (rker) {
cpu.AddWibr(clist, fBase+kRKER, rker);
if (fu == kFUNC_SEEK || fu == kFUNC_DRESET)
cpu.AddWibr(clist, fBase+kRKMR, kRKMR_M_SBCLR | (1u<<dr));
cpu.AddWibr(clist, fBase+kRKMR, kRKMR_M_FDONE);
LogRker(rker);
Server().Exec(clist);
return 0;
}
// check for overrun (read/write beyond cylinder 203)
// if found, truncate request length
bool ovr = lba + nblk > unit.NBlock();
if (ovr) nwrd = (unit.NBlock()-lba) * (unit.BlockSize()/2);
// remember request parameters for call back
fRd_rkcs = rkcs;
fRd_rkda = rkda;
fRd_addr = addr;
fRd_lba = lba;
fRd_nwrd = nwrd;
fRd_ovr = ovr;
fRd_fu = fu;
// now handle the functions
if (fu == kFUNC_CRESET) { // Control reset -----------------
fStats.Inc(kStatNFuncCreset);
cpu.AddWibr(clist, fBase+kRKMR, kRKMR_M_CRESET);
} else if (fu == kFUNC_WRITE) { // Write -------------------------
// Note: WRITE+FMT is just WRITE
fStats.Inc(kStatNFuncWrite);
if (se >= unit.NSector()) rker |= kRKER_M_NXS;
if (cy >= unit.NCylinder()) rker |= kRKER_M_NXC;
if (unit.WProt()) rker |= kRKER_M_WLO;
if (rkcs & kRKCS_M_IBA) rker |= kRKER_M_DRE; // IBA not supported
if (rker) {
AddErrorExit(clist, rker);
} else {
fRdma.QueueDiskWrite(addr, nwrd, Rw11Cpu::kCPAH_M_UBM22, lba, &unit);
}
} else if (fu == kFUNC_READ) { // Read --------------------------
fStats.Inc(kStatNFuncRead);
if (se >= unit.NSector()) rker |= kRKER_M_NXS;
if (cy >= unit.NCylinder()) rker |= kRKER_M_NXC;
if (rkcs & kRKCS_M_IBA) rker |= kRKER_M_DRE; // IBA not supported
if (rker) {
AddErrorExit(clist, rker);
} else {
fRdma.QueueDiskRead(addr, nwrd, Rw11Cpu::kCPAH_M_UBM22, lba, &unit);
}
} else if (fu == kFUNC_WCHK) { // Write Check -------------------
fStats.Inc(kStatNFuncWchk);
if (se >= unit.NSector()) rker |= kRKER_M_NXS;
if (cy >= unit.NCylinder()) rker |= kRKER_M_NXC;
if (rkcs & kRKCS_M_IBA) rker |= kRKER_M_DRE; // IBA not supported
if (rker) {
AddErrorExit(clist, rker);
} else {
fRdma.QueueDiskWriteCheck(addr, nwrd, Rw11Cpu::kCPAH_M_UBM22, lba, &unit);
}
} else if (fu == kFUNC_SEEK) { // Seek --------------------------
fStats.Inc(kStatNFuncSeek);
if (se >= unit.NSector()) rker |= kRKER_M_NXS;
if (cy >= unit.NCylinder()) rker |= kRKER_M_NXC;
if (rker) {
cpu.AddWibr(clist, fBase+kRKER, rker);
cpu.AddWibr(clist, fBase+kRKMR, kRKMR_M_SBCLR | (1u<<dr));
cpu.AddWibr(clist, fBase+kRKMR, kRKMR_M_FDONE);
LogRker(rker);
} else {
cpu.AddWibr(clist, fBase+kRKMR, kRKMR_M_FDONE);
rkds &= ~kRKDS_B_SC; // replace current sector number
rkds |= se;
unit.SetRkds(rkds);
cpu.AddWibr(clist, fBase+kRKDS, rkds);
cpu.AddWibr(clist, fBase+kRKMR, 1u<<dr); // issue seek done
}
} else if (fu == kFUNC_RCHK) { // Read Check --------------------
fStats.Inc(kStatNFuncRchk);
if (se >= unit.NSector()) rker |= kRKER_M_NXS;
if (cy >= unit.NCylinder()) rker |= kRKER_M_NXC;
if (rkcs & kRKCS_M_IBA) rker |= kRKER_M_DRE; // IBA not supported
if (rker) {
AddErrorExit(clist, rker);
} else {
AddNormalExit(clist, nwrd, 0); // no action, virt disks don't err
}
} else if (fu == kFUNC_DRESET) { // Drive Reset -------------------
fStats.Inc(kStatNFuncDreset);
cpu.AddWibr(clist, fBase+kRKMR, kRKMR_M_FDONE);
cpu.AddWibr(clist, fBase+kRKMR, 1u<<dr); // issue seek done
} else if (fu == kFUNC_WLOCK) { // Write Lock --------------------
fStats.Inc(kStatNFuncWlock);
rkds |= kRKDS_M_WPS; // set RKDS write protect flag
unit.SetRkds(rkds);
unit.SetWProt(true);
cpu.AddWibr(clist, fBase+kRKDS, rkds);
cpu.AddWibr(clist, fBase+kRKMR, kRKMR_M_FDONE);
}
if (clist.Size()) { // if handled directly
Server().Exec(clist); // doit
}
return 0;
}
//------------------------------------------+-----------------------------------
//! FIXME_docs
void Rw11CntlRK11::RdmaPreExecCB(int stat, size_t nwdone, size_t nwnext,
RlinkCommandList& clist)
{
// if last chunk and not doing WCHK add a labo and normal exit csr update
if (stat == Rw11Rdma::kStatusBusyLast && fRd_fu != kFUNC_WCHK) {
clist.AddLabo();
AddNormalExit(clist, nwdone+nwnext, 0);
}
return;
}
//------------------------------------------+-----------------------------------
//! FIXME_docs
void Rw11CntlRK11::RdmaPostExecCB(int stat, size_t ndone,
RlinkCommandList& clist, size_t ncmd)
{
if (stat == Rw11Rdma::kStatusBusy) return;
uint16_t rker = 0;
// handle write check
if (fRd_fu == kFUNC_WCHK) {
size_t nwcok = fRdma.WriteCheck(ndone);
if (nwcok != ndone) { // if mismatch found
rker |= kRKER_M_WCE; // set error flag
if (fRd_rkcs & kRKCS_M_SSE) { // if 'stop-on-soft' requested
ndone = nwcok; // truncate word count
}
}
}
// handle Rdma aborts
if (stat == Rw11Rdma::kStatusFailRdma) rker |= kRKER_M_NXM;
// check for fused csr updates
if (clist.Size() > ncmd) {
uint8_t ccode = clist[ncmd].Command();
uint16_t cdata = clist[ncmd].Data();
if (ccode != RlinkCommand::kCmdLabo || (rker != 0 && cdata == 0))
throw Rexception("Rw11CntlRK11::RdmaPostExecCB",
"Bad state: Labo not found or missed abort");
if (cdata == 0) return;
}
// finally to RK11 register update
RlinkCommandList clist1;
AddNormalExit(clist1, ndone, rker);
Server().Exec(clist1);
return;
}
//------------------------------------------+-----------------------------------
//! FIXME_docs
void Rw11CntlRK11::LogRker(uint16_t rker)
{
RlogMsg lmsg(LogFile());
lmsg << "-E " << Name() << ": er=" << RosPrintBvi(rker,8) << " ERROR ABORT";
}
//------------------------------------------+-----------------------------------
//! FIXME_docs
void Rw11CntlRK11::AddErrorExit(RlinkCommandList& clist, uint16_t rker)
{
Rw11Cpu& cpu = Cpu();
cpu.AddWibr(clist, fBase+kRKER, rker);
cpu.AddWibr(clist, fBase+kRKMR, kRKMR_M_FDONE);
LogRker(rker);
return;
}
//------------------------------------------+-----------------------------------
//! FIXME_docs
void Rw11CntlRK11::AddNormalExit(RlinkCommandList& clist, size_t ndone,
uint16_t rker)
{
Rw11Cpu& cpu = Cpu();
uint16_t dr = (fRd_rkda>>kRKDA_V_DRSEL) & kRKDA_B_DRSEL;
Rw11UnitRK11& unit = *fspUnit[dr];
size_t nblk = unit.Nwrd2Nblk(ndone);
uint32_t addr = fRd_addr + 2*ndone;
size_t lba = fRd_lba + nblk;
uint32_t nrest = fRd_nwrd - ndone;
uint16_t ba = addr & 0177776; // get lower 16 bits
uint16_t mex = (addr>>16) & 03; // get upper 2 bits
uint16_t cs = (fRd_rkcs & ~kRKCS_M_MEX) | (mex << kRKCS_V_MEX);
uint16_t se;
uint16_t hd;
uint16_t cy;
unit.Lba2Chs(lba, cy,hd,se);
uint16_t da = (fRd_rkda & kRKDA_M_DRSEL) | (cy<<kRKDA_V_CYL) |
(hd<<kRKDA_V_SUR) | se;
if (fRd_ovr) rker |= kRKER_M_OVR;
if (rker) {
cpu.AddWibr(clist, fBase+kRKER, rker);
LogRker(rker);
}
cpu.AddWibr(clist, fBase+kRKWC, uint16_t((-nrest)&0177777));
cpu.AddWibr(clist, fBase+kRKBA, ba);
cpu.AddWibr(clist, fBase+kRKDA, da);
if (cs != fRd_rkcs)
cpu.AddWibr(clist, fBase+kRKCS, cs);
cpu.AddWibr(clist, fBase+kRKMR, kRKMR_M_FDONE);
return;
}
} // end namespace Retro