/*-------------------------------------------------------------------*/
void ARCH_DEP(diag204_call) (int r1, int r2, REGS *regs)
{
DIAG204_HDR *hdrinfo; /* Header */
DIAG204_PART *partinfo; /* Partition info */
DIAG204_PART_CPU *cpuinfo; /* CPU info */
#if defined(FEATURE_EXTENDED_DIAG204)
DIAG204_X_HDR *hdrxinfo; /* Header */
DIAG204_X_PART *partxinfo; /* Partition info */
DIAG204_X_PART_CPU *cpuxinfo; /* CPU info */
#endif /*defined(FEATURE_EXTENDED_DIAG204)*/
RADR abs; /* abs addr of data area */
int i; /* loop counter */
struct rusage usage; /* RMF type data */
ETOD ETOD; /* Extended TOD clock */
U64 uCPU[MAX_CPU_ENGINES]; /* User CPU time (us) */
U64 tCPU[MAX_CPU_ENGINES]; /* Total CPU time (us) */
#if defined(FEATURE_PHYSICAL_DIAG204)
static BYTE physical[8] =
{0xD7,0xC8,0xE8,0xE2,0xC9,0xC3,0xC1,0xD3}; /* PHYSICAL */
#endif /*defined(FEATURE_PHYSICAL_DIAG204)*/
#if defined(FEATURE_EXTENDED_DIAG204)
U64 oCPU[MAX_CPU_ENGINES]; /* Online CPU time (us) */
U64 wCPU[MAX_CPU_ENGINES]; /* Wait CPU time (us) */
#endif /*defined(FEATURE_EXTENDED_DIAG204)*/
/* Test DIAG204 command word */
switch (regs->GR_L(r2)) {
case 0x04:
abs = APPLY_PREFIXING (GR_A(r1,regs), regs->PX);
/* Program check if RMF data is not on a page boundary */
if ( (abs & PAGEFRAME_BYTEMASK) != 0x000)
ARCH_DEP(program_interrupt) (regs, PGM_SPECIFICATION_EXCEPTION);
/* Program check if RMF data area is outside main storage */
if ( abs > regs->mainlim )
ARCH_DEP(program_interrupt) (regs, PGM_ADDRESSING_EXCEPTION);
/* Point to DIAG 204 data area */
hdrinfo = (DIAG204_HDR*)(regs->mainstor + abs);
/* Mark page referenced */
STORAGE_KEY(abs, regs) |= STORKEY_REF | STORKEY_CHANGE;
/* Retrieve the TOD clock value */
etod_clock(regs, &ETOD, ETOD_extended);
/* Get processor time(s) and leave out non-CPU processes and
* threads
*/
for(i = 0; i < sysblk.maxcpu; ++i)
{
if (IS_CPU_ONLINE(i))
{
/* Get CPU times in microseconds */
getrusage((int)sysblk.cputid[i], &usage);
uCPU[i] = timeval2us(&usage.ru_utime);
tCPU[i] = uCPU[i] + timeval2us(&usage.ru_stime);
}
}
memset(hdrinfo, 0, sizeof(DIAG204_HDR));
hdrinfo->numpart = 1;
#if defined(FEATURE_PHYSICAL_DIAG204)
hdrinfo->flags = DIAG204_PHYSICAL_PRESENT;
#endif /*defined(FEATURE_PHYSICAL_DIAG204)*/
STORE_HW(hdrinfo->physcpu,sysblk.cpus);
STORE_HW(hdrinfo->offown,sizeof(DIAG204_HDR));
STORE_DW(hdrinfo->diagstck,ETOD2tod(ETOD));
/* hercules partition */
partinfo = (DIAG204_PART*)(hdrinfo + 1);
memset(partinfo, 0, sizeof(DIAG204_PART));
partinfo->partnum = sysblk.lparnum; /* Hercules partition */
partinfo->virtcpu = sysblk.cpus;
get_lparname(partinfo->partname);
/* hercules cpu's */
cpuinfo = (DIAG204_PART_CPU*)(partinfo + 1);
for(i = 0; i < sysblk.maxcpu; i++)
if (IS_CPU_ONLINE(i))
{
memset(cpuinfo, 0, sizeof(DIAG204_PART_CPU));
STORE_HW(cpuinfo->cpaddr,sysblk.regs[i]->cpuad);
cpuinfo->index=sysblk.ptyp[i];
STORE_HW(cpuinfo->weight,100);
STORE_DW(cpuinfo->totdispatch,tCPU[i]);
STORE_DW(cpuinfo->effdispatch, uCPU[i]);
cpuinfo += 1;
}
#if defined(FEATURE_PHYSICAL_DIAG204)
/* LPAR management */
/* FIXME: This section should report on the real CPUs, appearing
* and transformed for reporting purposes. This should
* also be properly reflected in STSI information.
*/
partinfo = (DIAG204_PART*)cpuinfo;
memset(partinfo, 0, sizeof(DIAG204_PART));
partinfo->partnum = 0; /* Physical machine */
partinfo->virtcpu = sysblk.cpus;
memcpy(partinfo->partname,physical,sizeof(physical));
/* report all emulated physical cpu's */
cpuinfo = (DIAG204_PART_CPU*)(partinfo + 1);
for(i = 0; i < sysblk.maxcpu; i++)
if (IS_CPU_ONLINE(i))
{
memset(cpuinfo, 0, sizeof(DIAG204_PART_CPU));
STORE_HW(cpuinfo->cpaddr,sysblk.regs[i]->cpuad);
cpuinfo->index = sysblk.ptyp[i];
STORE_HW(cpuinfo->weight,100);
STORE_DW(cpuinfo->totdispatch, tCPU[i]);
STORE_DW(cpuinfo->effdispatch, uCPU[i]);
cpuinfo += 1;
}
#endif /*defined(FEATURE_PHYSICAL_DIAG204)*/
regs->GR_L(r2) = 0;
break;
#if defined(FEATURE_EXTENDED_DIAG204)
/* Extended subcode 5 returns the size of the data areas provided by extended subcodes 6 and 7 */
case 0x00010005:
i = sizeof(DIAG204_X_HDR) + ((sizeof(DIAG204_X_PART) + (sysblk.maxcpu * sizeof(DIAG204_X_PART_CPU))) * 2);
regs->GR_L(r2+1) = (i + PAGEFRAME_BYTEMASK) / PAGEFRAME_PAGESIZE;
regs->GR_L(r2) = 0;
break;
/* Provide extended information */
case 0x00010006:
/* We fall through as we do not have any secondary cpus (that we know of) */
/* Provide extended information, including information about secondary CPUs */
case 0x00010007:
/* Program check if RMF data is not on a page boundary */
if ( (regs->GR_L(r1) & PAGEFRAME_BYTEMASK) != 0x000)
ARCH_DEP(program_interrupt) (regs, PGM_SPECIFICATION_EXCEPTION);
/* Obtain absolute address of main storage block,
check protection, and set reference and change bits */
hdrxinfo = (DIAG204_X_HDR*)MADDR (GR_A(r1,regs), r1, regs, ACCTYPE_WRITE, regs->psw.pkey);
/* Retrieve the TOD clock value */
etod_clock(regs, &ETOD, ETOD_extended);
/* Get processor time(s) and leave out non-CPU processes and
* threads
*/
for(i = 0; i < sysblk.maxcpu; ++i)
{
if (IS_CPU_ONLINE(i))
{
/* Get CPU times in microseconds */
getrusage((int)sysblk.cputid[i], &usage);
oCPU[i] = etod2us(ETOD.high - regs->tod_epoch - sysblk.cpucreateTOD[i]);
uCPU[i] = timeval2us(&usage.ru_utime);
tCPU[i] = uCPU[i] + timeval2us(&usage.ru_stime);
wCPU[i] = tCPU[i] - uCPU[i];
}
}
memset(hdrxinfo, 0, sizeof(DIAG204_X_HDR));
hdrxinfo->numpart = 1;
#if defined(FEATURE_PHYSICAL_DIAG204)
hdrxinfo->flags = DIAG204_X_PHYSICAL_PRESENT;
#endif /*defined(FEATURE_PHYSICAL_DIAG204)*/
STORE_HW(hdrxinfo->physcpu,sysblk.cpus);
STORE_HW(hdrxinfo->offown,sizeof(DIAG204_X_HDR));
STORE_DW(hdrxinfo->diagstck1,ETOD.high);
STORE_DW(hdrxinfo->diagstck2,ETOD.low);
/* hercules partition */
partxinfo = (DIAG204_X_PART*)(hdrxinfo + 1);
memset(partxinfo, 0, sizeof(DIAG204_PART));
partxinfo->partnum = sysblk.lparnum; /* Hercules partition */
partxinfo->virtcpu = sysblk.cpus;
get_lparname(partxinfo->partname);
get_sysname(partxinfo->cpcname);
get_systype(partxinfo->osname);
STORE_DW(partxinfo->cssize,sysblk.mainsize);
STORE_DW(partxinfo->essize,sysblk.xpndsize);
get_sysplex(partxinfo->gr_name);
/* hercules cpu's */
cpuxinfo = (DIAG204_X_PART_CPU*)(partxinfo + 1);
for(i = 0; i < sysblk.maxcpu; i++)
if (IS_CPU_ONLINE(i))
{
memset(cpuxinfo, 0, sizeof(DIAG204_X_PART_CPU));
STORE_HW(cpuxinfo->cpaddr,sysblk.regs[i]->cpuad);
cpuxinfo->index = sysblk.ptyp[i];
STORE_HW(cpuxinfo->weight,100);
STORE_DW(cpuxinfo->totdispatch, tCPU[i]);
STORE_DW(cpuxinfo->effdispatch, uCPU[i]);
STORE_HW(cpuxinfo->minweight,1000);
STORE_HW(cpuxinfo->curweight,1000);
STORE_HW(cpuxinfo->maxweight,1000);
STORE_DW(cpuxinfo->onlinetime, oCPU[i]);
STORE_DW(cpuxinfo->waittime, wCPU[i]);
STORE_HW(cpuxinfo->pmaweight,1000);
STORE_HW(cpuxinfo->polarweight,1000);
cpuxinfo += 1;
}
#if defined(FEATURE_PHYSICAL_DIAG204)
/* LPAR management */
/* FIXME: This section should report on the real CPUs, appearing
* and transformed for reporting purposes. This should
* also be properly reflected in STSI information.
*/
partxinfo = (DIAG204_X_PART*)cpuxinfo;
memset(partxinfo, 0, sizeof(DIAG204_X_PART));
partxinfo->partnum = 0; /* Physical machine */
partxinfo->virtcpu = sysblk.cpus;
memcpy(partxinfo->partname,physical,sizeof(physical));
/* report all emulated physical cpu's */
cpuxinfo = (DIAG204_PART_CPU*)(partinfo + 1);
for(i = 0; i < sysblk.maxcpu; i++)
if (IS_CPU_ONLINE(i))
{
memset(cpuxinfo, 0, sizeof(DIAG204_X_PART_CPU));
STORE_HW(cpuxinfo->cpaddr,sysblk.regs[i]->cpuad);
cpuxinfo->index = sysblk.ptyp[i];
STORE_HW(cpuxinfo->weight,100);
STORE_DW(cpuxinfo->totdispatch, tCPU[i]);
STORE_DW(cpuxinfo->effdispatch, uCPU[i]);
STORE_HW(cpuxinfo->minweight,1000);
STORE_HW(cpuxinfo->curweight,1000);
STORE_HW(cpuxinfo->maxweight,1000);
STORE_DW(cpuxinfo->onlinetime, oCPU[i]);
STORE_DW(cpuxinfo->waittime, wCPU[i]);
STORE_HW(cpuxinfo->pmaweight,1000);
STORE_HW(cpuxinfo->polarweight,1000);
cpuxinfo += 1;
}
#endif /*defined(FEATURE_PHYSICAL_DIAG204)*/
regs->GR_L(r2) = 0;
break;
#endif /*defined(FEATURE_EXTENDED_DIAG204)*/
default:
PTT_ERR("*DIAG204",regs->GR_L(r1),regs->GR_L(r2),regs->psw.IA_L);
regs->GR_L(r2) = 4;
} /*switch(regs->GR_L(r2))*/
} /* end function diag204_call */
/*-------------------------------------------------------------------*/
void ARCH_DEP(diagnose_call) (VADR effective_addr2, int b2,
int r1, int r2, REGS *regs)
{
#ifdef FEATURE_HERCULES_DIAGCALLS
U32 n; /* 32-bit operand value */
#endif /*FEATURE_HERCULES_DIAGCALLS*/
U32 code;
code = effective_addr2;
switch(code) {
#if defined(FEATURE_IO_ASSIST)
case 0x002:
/*---------------------------------------------------------------*/
/* Diagnose 002: Update Interrupt Interlock Control Bit in PMCW */
/*---------------------------------------------------------------*/
ARCH_DEP(diagnose_002) (regs, r1, r2);
break;
#endif
case 0x01F:
/*---------------------------------------------------------------*/
/* Diagnose 01F: Power Off */
/*---------------------------------------------------------------*/
/* If diag8cmd is not enabled then we are not allowed
* to manipulate the real machine i.e. hercules itself
*/
if(!(sysblk.diag8cmd & DIAG8CMD_ENABLE))
ARCH_DEP(program_interrupt)(regs, PGM_SPECIFICATION_EXCEPTION);
/* The poweroff diagnose is only valid on the 9221 */
if (sysblk.cpumodel != 0x9221
/* and r1/r2 must contain C'POWEROFF' in EBCDIC */
|| regs->GR_L(r1) != 0xD7D6E6C5
|| regs->GR_L(r2) != 0xD9D6C6C6)
ARCH_DEP(program_interrupt) (regs, PGM_SPECIFICATION_EXCEPTION);
regs->cpustate = CPUSTATE_STOPPING;
ON_IC_INTERRUPT(regs);
/* Release the configuration */
do_shutdown();
/* Power Off: exit hercules */
exit(0);
#if defined(FEATURE_HYPERVISOR) || defined(FEATURE_EMULATE_VM)
case 0x044:
/*---------------------------------------------------------------*/
/* Diagnose 044: Voluntary Time Slice End */
/*---------------------------------------------------------------*/
ARCH_DEP(scpend_call) ();
break;
#endif
#ifdef FEATURE_MSSF_CALL
case 0x080:
/*---------------------------------------------------------------*/
/* Diagnose 080: MSSF Call */
/*---------------------------------------------------------------*/
regs->psw.cc = ARCH_DEP(mssf_call) (r1, r2, regs);
break;
#endif /*FEATURE_MSSF_CALL*/
#if defined(FEATURE_HYPERVISOR) || defined(FEATURE_EMULATE_VM)
case 0x09C:
/*---------------------------------------------------------------*/
/* Diagnose 09C: Voluntary Time Slice End With Target CPU */
/*---------------------------------------------------------------*/
ARCH_DEP(scpend_call) (); // (treat same as DIAG X'44')
break;
#endif
#if defined(FEATURE_HYPERVISOR)
case 0x204:
/*---------------------------------------------------------------*/
/* Diagnose 204: LPAR RMF Interface */
/*---------------------------------------------------------------*/
ARCH_DEP(diag204_call) (r1, r2, regs);
regs->psw.cc = 0;
break;
case 0x224:
/*---------------------------------------------------------------*/
/* Diagnose 224: CPU Names */
/*---------------------------------------------------------------*/
ARCH_DEP(diag224_call) (r1, r2, regs);
regs->psw.cc = 0;
break;
#endif /*defined(FEATURE_HYPERVISOR)*/
#if 0
case 0x21C:
/*---------------------------------------------------------------*/
/* Diagnose 21C: ???? */
/*---------------------------------------------------------------*/
/*INCOMPLETE*/
regs->psw.cc = 0;
break;
#endif
#if 0
case 0x288;:
/*---------------------------------------------------------------*/
/* Diagnose 288: Control Virtual Machine Time Bomb */
/*---------------------------------------------------------------*/
regs->psw.cc = ARCH_DEP(vm_timebomb) (r1, r2, regs);
break;
#endif
#ifdef FEATURE_EMULATE_VM
case 0x000:
/*---------------------------------------------------------------*/
/* Diagnose 000: Store Extended Identification Code */
/*---------------------------------------------------------------*/
ARCH_DEP(extid_call) (r1, r2, regs);
break;
case 0x008:
/*---------------------------------------------------------------*/
/* Diagnose 008: Virtual Console Function */
/*---------------------------------------------------------------*/
/* If diag8cmd is not enabled then we are not allowed
* to manipulate the real machine i.e. hercules itself
*/
if(!(sysblk.diag8cmd & DIAG8CMD_ENABLE))
ARCH_DEP(program_interrupt)(regs, PGM_SPECIFICATION_EXCEPTION);
/* Process CP command and set condition code */
regs->psw.cc = ARCH_DEP(cpcmd_call) (r1, r2, regs);
break;
case 0x00C:
/*---------------------------------------------------------------*/
/* Diagnose 00C: Pseudo Timer */
/*---------------------------------------------------------------*/
ARCH_DEP(pseudo_timer) (code, r1, r2, regs);
break;
case 0x024:
/*---------------------------------------------------------------*/
/* Diagnose 024: Device Type and Features */
/*---------------------------------------------------------------*/
regs->psw.cc = ARCH_DEP(diag_devtype) (r1, r2, regs);
break;
case 0x05C:
/*---------------------------------------------------------------*/
/* Diagnose 05C: Error Message Editing */
/*---------------------------------------------------------------*/
/* This function is implemented as a no-operation */
regs->psw.cc = 0;
break;
case 0x060:
/*---------------------------------------------------------------*/
/* Diagnose 060: Virtual Machine Storage Size */
/*---------------------------------------------------------------*/
/* Load main storage size in bytes into R1 register */
regs->GR_L(r1) = regs->mainlim + 1;
break;
case 0x064:
/*---------------------------------------------------------------*/
/* Diagnose 064: Named Saved Segment Manipulation */
/*---------------------------------------------------------------*/
/* Return code 44 cond code 2 means segment does not exist */
regs->GR_L(r2) = 44;
regs->psw.cc = 2;
break;
case 0x0A4:
/*---------------------------------------------------------------*/
/* Diagnose 0A4: Synchronous I/O (Standard CMS Blocksize) */
/*---------------------------------------------------------------*/
regs->psw.cc = ARCH_DEP(syncblk_io) (r1, r2, regs);
// logmsg ("Diagnose X\'0A4\': CC=%d, R15=%8.8X\n", /*debug*/
// regs->psw.cc, regs->GR_L(15)); /*debug*/
break;
case 0x0A8:
/*---------------------------------------------------------------*/
/* Diagnose 0A8: Synchronous General I/O */
/*---------------------------------------------------------------*/
regs->psw.cc = ARCH_DEP(syncgen_io) (r1, r2, regs);
// logmsg ("Diagnose X\'0A8\': CC=%d, R15=%8.8X\n", /*debug*/
// regs->psw.cc, regs->GR_L(15)); /*debug*/
break;
case 0x0B0:
/*---------------------------------------------------------------*/
/* Diagnose 0B0: Access Re-IPL Data */
/*---------------------------------------------------------------*/
ARCH_DEP(access_reipl_data) (r1, r2, regs);
break;
case 0x0DC:
/*---------------------------------------------------------------*/
/* Diagnose 0DC: Control Application Monitor Record Collection */
/*---------------------------------------------------------------*/
/* This function is implemented as a no-operation */
regs->GR_L(r2) = 0;
regs->psw.cc = 0;
break;
case 0x210:
/*---------------------------------------------------------------*/
/* Diagnose 210: Retrieve Device Information */
/*---------------------------------------------------------------*/
regs->psw.cc = ARCH_DEP(device_info) (r1, r2, regs);
break;
case 0x214:
/*---------------------------------------------------------------*/
/* Diagnose 214: Pending Page Release */
/*---------------------------------------------------------------*/
regs->psw.cc = ARCH_DEP(diag_ppagerel) (r1, r2, regs);
break;
case 0x220:
/*---------------------------------------------------------------*/
/* Diagnose 220: TOD Epoch */
/*---------------------------------------------------------------*/
ODD_CHECK(r2, regs);
switch(regs->GR_L(r1))
{
case 0:
/* Obtain TOD features */
regs->GR_L(r2) =0xc0000000;
regs->GR_L(r2+1)=0x00000000;
break;
case 1:
/* Obtain TOD offset to real TOD in R2, R2+1 */
regs->GR_L(r2) = (regs->tod_epoch >> 24) & 0xFFFFFFFF;
regs->GR_L(r2+1)= (regs->tod_epoch << 8) & 0xFFFFFFFF;
break;
default:
ARCH_DEP(program_interrupt)(regs, PGM_SPECIFICATION_EXCEPTION);
}
break;
case 0x23C:
/*---------------------------------------------------------------*/
/* Diagnose 23C: Address Space Services */
/*---------------------------------------------------------------*/
/* This function is implemented as a no-operation */
regs->GR_L(r2) = 0;
break;
#if defined(FEATURE_VM_BLOCKIO)
case 0x250:
/*---------------------------------------------------------------*/
/* Diagnose 250: Standardized Block I/O */
/*---------------------------------------------------------------*/
regs->psw.cc = ARCH_DEP(vm_blockio) (r1, r2, regs);
break;
#endif /*defined(FEATURE_VM_BLOCKIO)*/
case 0x260:
/*---------------------------------------------------------------*/
/* Diagnose 260: Access Certain Virtual Machine Information */
/*---------------------------------------------------------------*/
ARCH_DEP(vm_info) (r1, r2, regs);
break;
case 0x264:
/*---------------------------------------------------------------*/
/* Diagnose 264: CP Communication */
/*---------------------------------------------------------------*/
/* This function is implemented as a no-operation */
PTT_ERR("*DIAG264",regs->GR_L(r1),regs->GR_L(r2),regs->psw.IA_L);
regs->psw.cc = 0;
break;
case 0x270:
/*---------------------------------------------------------------*/
/* Diagnose 270: Pseudo Timer Extended */
/*---------------------------------------------------------------*/
ARCH_DEP(pseudo_timer) (code, r1, r2, regs);
break;
case 0x274:
/*---------------------------------------------------------------*/
/* Diagnose 274: Set Timezone Interrupt Flag */
/*---------------------------------------------------------------*/
/* This function is implemented as a no-operation */
PTT_ERR("*DIAG274",regs->GR_L(r1),regs->GR_L(r2),regs->psw.IA_L);
regs->psw.cc = 0;
break;
#endif /*FEATURE_EMULATE_VM*/
#ifdef FEATURE_PROGRAM_DIRECTED_REIPL
case 0x308:
/*---------------------------------------------------------------*/
/* Diagnose 308: IPL functions */
/*---------------------------------------------------------------*/
switch(r2)
{
TID tid; /* Thread identifier */
char *ipltype; /* "ipl" or "iplc" */
int rc;
case DIAG308_IPL_CLEAR:
ipltype = "iplc";
goto diag308_cthread;
case DIAG308_IPL_NORMAL:
ipltype = "ipl";
diag308_cthread:
rc = create_thread(&tid, DETACHED, stop_cpus_and_ipl, ipltype, "Stop cpus and ipl");
if(rc)
WRMSG(HHC00102, "E", strerror(rc));
regs->cpustate = CPUSTATE_STOPPING;
ON_IC_INTERRUPT(regs);
break;
case DIAG308_SET_PARAM:
/* INCOMPLETE */
regs->GR(1) = DIAG308_RC_OK;
break;
case DIAG308_STORE_PARAM:
/* INCOMPLETE */
regs->GR(1) = DIAG308_RC_OK;
break;
default:
ARCH_DEP(program_interrupt)(regs, PGM_SPECIFICATION_EXCEPTION);
} /* end switch(r2) */
break;
#endif /*FEATURE_PROGRAM_DIRECTED_REIPL*/
#ifdef FEATURE_HERCULES_DIAGCALLS
case 0xF00:
/*---------------------------------------------------------------*/
/* Diagnose F00: Hercules normal mode */
/*---------------------------------------------------------------*/
/* If diag8cmd is not enabled then we are not allowed
* to manipulate the real machine i.e. hercules itself
*/
if(!(sysblk.diag8cmd & DIAG8CMD_ENABLE))
ARCH_DEP(program_interrupt)(regs, PGM_SPECIFICATION_EXCEPTION);
sysblk.inststep = 0;
SET_IC_TRACE;
break;
case 0xF04:
/*---------------------------------------------------------------*/
/* Diagnose F04: Hercules single step mode */
/*---------------------------------------------------------------*/
/* If diag8cmd is not enabled then we are not allowed
* to manipulate the real machine i.e. hercules itself
*/
if(!(sysblk.diag8cmd & DIAG8CMD_ENABLE))
ARCH_DEP(program_interrupt)(regs, PGM_SPECIFICATION_EXCEPTION);
sysblk.inststep = 1;
SET_IC_TRACE;
break;
case 0xF08:
/*---------------------------------------------------------------*/
/* Diagnose F08: Hercules get instruction counter */
/*---------------------------------------------------------------*/
regs->GR_L(r1) = (U32)INSTCOUNT(regs);
break;
case 0xF0C:
/*---------------------------------------------------------------*/
/* Diagnose F0C: Set/reset bad frame indicator */
/*---------------------------------------------------------------*/
/* If diag8cmd is not enabled then we are not allowed
* to manipulate the real machine i.e. hercules itself
*/
if(!(sysblk.diag8cmd & DIAG8CMD_ENABLE))
ARCH_DEP(program_interrupt)(regs, PGM_SPECIFICATION_EXCEPTION);
/* Load 4K block address from R2 register */
n = regs->GR_L(r2) & ADDRESS_MAXWRAP(regs);
/* Convert real address to absolute address */
n = APPLY_PREFIXING (n, regs->PX);
/* Addressing exception if block is outside main storage */
if ( n > regs->mainlim )
{
ARCH_DEP(program_interrupt) (regs, PGM_ADDRESSING_EXCEPTION);
break;
}
/* Update the storage key from R1 register bit 31 */
STORAGE_KEY(n, regs) &= ~(STORKEY_BADFRM);
STORAGE_KEY(n, regs) |= regs->GR_L(r1) & STORKEY_BADFRM;
break;
case 0xF10:
/*---------------------------------------------------------------*/
/* Diagnose F10: Hercules CPU stop */
/*---------------------------------------------------------------*/
/* If diag8cmd is not enabled then we are not allowed
* to manipulate the real machine i.e. hercules itself
*/
if(!(sysblk.diag8cmd & DIAG8CMD_ENABLE))
ARCH_DEP(program_interrupt)(regs, PGM_SPECIFICATION_EXCEPTION);
regs->cpustate = CPUSTATE_STOPPING;
ON_IC_INTERRUPT(regs);
break;
#if defined(OPTION_DYNAMIC_LOAD)
case 0xF14:
/*---------------------------------------------------------------*/
/* Diagnose F14: Hercules DLL interface */
/*---------------------------------------------------------------*/
ARCH_DEP(diagf14_call) (r1, r2, regs);
break;
#endif /*defined(OPTION_DYNAMIC_LOAD)*/
#if defined(_FEATURE_HOST_RESOURCE_ACCESS_FACILITY)
case 0xF18:
/*---------------------------------------------------------------*/
/* Diagnose F18: Hercules Access Host Resource */
/*---------------------------------------------------------------*/
ARCH_DEP(diagf18_call) (r1, r2, regs);
break;
#endif /* defined(_FEATURE_HOST_RESOURCE_ACCESS_FACILITY) */
#if !defined(NO_SIGABEND_HANDLER)
/* The following diagnose calls cause a exigent (non-repressible)
machine check, and are used for test purposes only *JJ */
case 0xFE8:
/*---------------------------------------------------------------*/
/* Diagnose FE8: Simulate Illegal Instruction */
/*---------------------------------------------------------------*/
raise(SIGILL);
break;
case 0xFEC:
/*---------------------------------------------------------------*/
/* Diagnose FEC: Simulate Floating Point Exception */
/*---------------------------------------------------------------*/
raise(SIGFPE);
break;
case 0xFF0:
/*---------------------------------------------------------------*/
/* Diagnose FF0: Simulate Segment Violation */
/*---------------------------------------------------------------*/
CRASH();
break;
case 0xFF4:
/*---------------------------------------------------------------*/
/* Diagnose FF4: Simulate BUS Error */
/*---------------------------------------------------------------*/
raise(SIGBUS);
break;
case 0xFF8:
/*---------------------------------------------------------------*/
/* Diagnose FF8: Simulate Loop */
/*---------------------------------------------------------------*/
while(1);
/* (never reached) */
case 0xFFC:
/*---------------------------------------------------------------*/
/* Diagnose FFC: Simulate Wait */
/*---------------------------------------------------------------*/
SLEEP(300);
break;
#endif /*!defined(NO_SIGABEND_HANDLER)*/
#endif /*FEATURE_HERCULES_DIAGCALLS*/
default:
/*---------------------------------------------------------------*/
/* Diagnose xxx: Invalid function code */
/*---------------------------------------------------------------*/
if( HDC4(debug_diagnose, code, r1, r2, regs) )
return;
/* Power Off diagnose on 4361, 9371, 9373, 9375, 9377, 9221: */
/* */
/* DS 0H */
/* DC X'8302',S(SHUTDATA) MUST BE R0 AND R2 */
/* ... */
/* DS 0H */
/* SHUTDATA DC X'0000FFFF' MUST BE X'0000FFFF' */
if (0 == r1 && 2 == r2
&& sysblk.cpuversion != 0xFF
&& (sysblk.cpumodel == 0x4361
|| (sysblk.cpumodel & 0xFFF9) == 0x9371 /* (937X) */
|| sysblk.cpumodel == 0x9221)
)
{
if (0x0000FFFF == ARCH_DEP(vfetch4)(effective_addr2, b2, regs))
{
/* If diag8cmd is not enabled then we are not allowed
* to manipulate the real machine i.e. hercules itself
*/
if(!(sysblk.diag8cmd & DIAG8CMD_ENABLE))
ARCH_DEP(program_interrupt)(regs, PGM_SPECIFICATION_EXCEPTION);
regs->cpustate = CPUSTATE_STOPPING;
ON_IC_INTERRUPT(regs);
/* Release the configuration */
do_shutdown();
/* Power Off: exit hercules */
exit(0);
}
}
#if defined(FEATURE_S370_CHANNEL) && defined(OPTION_NOP_MODEL158_DIAGNOSE)
if (regs->cpumodel != 0x0158)
#endif
ARCH_DEP(program_interrupt)(regs, PGM_SPECIFICATION_EXCEPTION);
return;
} /* end switch(code) */
return;
} /* end function diagnose_call */
/*-------------------------------------------------------------------*/
int ARCH_DEP(mssf_call) (int r1, int r2, REGS *regs)
{
U32 spccb_absolute_addr; /* Absolute addr of SPCCB */
U32 mssf_command; /* MSSF command word */
U32 spccblen; /* Length of SPCCB */
SPCCB_HEADER *spccb; /* -> SPCCB header */
SPCCB_CONFIG_INFO *spccbconfig; /* -> SPCCB CONFIG info */
SPCCB_CPU_INFO *spccbcpu; /* -> SPCCB CPU information */
SPCCB_CHP_STATUS *spccbchp; /* -> SPCCB channel path info */
U16 offset; /* Offset from start of SPCCB */
int i; /* loop counter */
DEVBLK *dev; /* Device block pointer */
/* R1 contains the real address of the SPCCB */
spccb_absolute_addr = APPLY_PREFIXING (regs->GR_L(r1), regs->PX);
/* R2 contains the service-processor-command word */
mssf_command = regs->GR_L(r2);
/* Program check if SPCCB is not on a doubleword boundary */
if ( spccb_absolute_addr & 0x00000007 )
ARCH_DEP(program_interrupt) (regs, PGM_SPECIFICATION_EXCEPTION);
/* Program check if SPCCB is outside main storage */
if ( spccb_absolute_addr > regs->mainlim )
ARCH_DEP(program_interrupt) (regs, PGM_ADDRESSING_EXCEPTION);
// /*debug*/logmsg("MSSF call %8.8X SPCCB=%8.8X\n",
// /*debug*/ mssf_command, spccb_absolute_addr);
/* Point to Service Processor Command Control Block */
spccb = (SPCCB_HEADER*)(regs->mainstor + spccb_absolute_addr);
/* Load SPCCB length from header */
FETCH_HW(spccblen,spccb->length);
/* Mark page referenced */
STORAGE_KEY(spccb_absolute_addr, regs) |= STORKEY_REF;
/* Program check if end of SPCCB falls outside main storage */
if ( sysblk.mainsize - spccblen < spccb_absolute_addr )
ARCH_DEP(program_interrupt) (regs, PGM_ADDRESSING_EXCEPTION);
/* Obtain the interrupt lock */
OBTAIN_INTLOCK(regs);
/* If a service signal is pending then we cannot process the request */
if( IS_IC_SERVSIG && (sysblk.servparm & SERVSIG_ADDR)) {
RELEASE_INTLOCK(regs);
return 2; /* Service Processor Busy */
}
if( spccb_absolute_addr & 0x7ffff800 ) {
spccb->resp[0] = SPCCB_REAS_NOT2KALIGN;
spccb->resp[1] = SPCCB_RESP_NOT2KALIGN;
} else
/* Test MSSF command word */
switch (mssf_command) {
case MSSF_READ_CONFIG_INFO:
/* Set response code X'01F0' if SPCCB length
is insufficient to contain CONFIG info */
if ( spccblen < 64 )
{
spccb->resp[0] = SPCCB_REAS_BADLENGTH;
spccb->resp[1] = SPCCB_RESP_BADLENGTH;
break;
}
/* Point to SPCCB data area following SPCCB header */
spccbconfig = (SPCCB_CONFIG_INFO*)(spccb+1);
memset (spccbconfig, 0, sizeof(SPCCB_CONFIG_INFO));
/* Set main storage size in SPCCB */
spccbconfig->totstori = sysblk.mainsize >> 20;
spccbconfig->storisiz = 1;
spccbconfig->hex04 = 0x04;
spccbconfig->hex01 = 0x01;
/* Set CPU array count and offset in SPCCB */
STORE_HW(spccbconfig->toticpu,sysblk.maxcpu);
offset = sizeof(SPCCB_HEADER) + sizeof(SPCCB_CONFIG_INFO);
STORE_HW(spccbconfig->officpu,offset);
/* Set HSA array count and offset in SPCCB */
STORE_HW(spccbconfig->tothsa,0);
offset += (U16)(sizeof(SPCCB_CPU_INFO) * sysblk.maxcpu);
STORE_HW(spccbconfig->offhsa,offset);
/* Move IPL load parameter to SPCCB */
get_loadparm (spccbconfig->loadparm);
/* Build the CPU information array after the SCP info */
spccbcpu = (SPCCB_CPU_INFO*)(spccbconfig+1);
for (i = 0; i < sysblk.maxcpu; i++, spccbcpu++)
{
memset( spccbcpu, 0, sizeof(SPCCB_CPU_INFO) );
spccbcpu->cpuaddr = i;
spccbcpu->todid = 0;
}
/* Set response code X'0010' in SPCCB header */
spccb->resp[0] = SPCCB_REAS_COMPLETE;
spccb->resp[1] = SPCCB_RESP_COMPLETE;
break;
case MSSF_READ_CHP_STATUS:
/* Set response code X'0300' if SPCCB length
is insufficient to contain channel path info */
if ( spccblen < sizeof(SPCCB_HEADER) + sizeof(SPCCB_CHP_STATUS))
{
spccb->resp[0] = SPCCB_REAS_BADLENGTH;
spccb->resp[1] = SPCCB_RESP_BADLENGTH;
break;
}
/* Point to SPCCB data area following SPCCB header */
spccbchp = (SPCCB_CHP_STATUS*)(spccb+1);
memset( spccbchp, 0, sizeof(SPCCB_CHP_STATUS) );
/* Identify CHPIDs used */
for (dev = sysblk.firstdev; dev != NULL; dev = dev->nextdev)
{
for (i = 0; i < 8; i++)
{
if( ((0x80 >> i) & dev->pmcw.pim) )
{
BYTE chpid;
chpid = dev->pmcw.chpid[i];
spccbchp->installed[chpid / 8] |= 0x80 >> (chpid % 8);
spccbchp->assigned[chpid / 8] |= 0x80 >> (chpid % 8);
spccbchp->configured[chpid / 8] |= 0x80 >> (chpid % 8);
}
}
}
/* Set response code X'0010' in SPCCB header */
spccb->resp[0] = SPCCB_REAS_COMPLETE;
spccb->resp[1] = SPCCB_RESP_COMPLETE;
break;
default:
PTT_ERR("*DIAG080",regs->GR_L(r1),regs->GR_L(r2),regs->psw.IA_L);
/* Set response code X'06F0' for invalid MSSF command */
spccb->resp[0] = SPCCB_REAS_UNASSIGNED;
spccb->resp[1] = SPCCB_RESP_UNASSIGNED;
break;
} /* end switch(mssf_command) */
/* Mark page changed */
STORAGE_KEY(spccb_absolute_addr, regs) |= STORKEY_CHANGE;
/* Set service signal external interrupt pending */
sysblk.servparm &= ~SERVSIG_ADDR;
sysblk.servparm |= spccb_absolute_addr;
ON_IC_SERVSIG;
/* Release the interrupt lock */
RELEASE_INTLOCK(regs);
/* Return condition code 0: Command initiated */
return 0;
} /* end function mssf_call */