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/* LOADPARM.C (c) Copyright Jan Jaeger, 2004-2009 */
/* SCLP / MSSF loadparm */
// $Id: loadparm.c 5652 2010-03-06 11:28:14Z bernard $
/*-------------------------------------------------------------------*/
/* This module contains functions which set, copy, and retrieve the */
/* values of the LOADPARM and various other environmental parameters */
/*-------------------------------------------------------------------*/
#include "hstdinc.h"
#define _HENGINE_DLL_
#define _LOADPARM_C_
#include "hercules.h"
/*-------------------------------------------------------------------*/
/* SUBROUTINE TO COPY A STRINGZ TO A FIXED-LENGTH EBCDIC FIELD */
/*-------------------------------------------------------------------*/
static void copy_stringz_to_ebcdic(BYTE* fld, size_t len, char *name)
{
size_t i;
for(i = 0; name && i < strlen(name) && i < len; i++)
if(isprint(name[i]))
fld[i] = host_to_guest((int)(islower(name[i]) ? toupper(name[i]) : name[i]));
else
fld[i] = 0x40;
for(; i < len; i++)
fld[i] = 0x40;
}
/*-------------------------------------------------------------------*/
/* LOAD PARAMETER */
/* Set by: LOADPARM configuration statement or panel command */
/* Retrieved by: SERVC and MSSF_CALL instructions */
/*-------------------------------------------------------------------*/
static BYTE loadparm[8] = {0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40};
void set_loadparm(char *name)
{
size_t i;
for(i = 0; name && i < strlen(name) && i < sizeof(loadparm); i++)
if(isprint(name[i]))
loadparm[i] = host_to_guest((int)(islower(name[i]) ? toupper(name[i]) : name[i]));
else
loadparm[i] = 0x40;
for(; i < sizeof(loadparm); i++)
loadparm[i] = 0x40;
}
void get_loadparm(BYTE *dest)
{
memcpy(dest, loadparm, sizeof(loadparm));
}
char *str_loadparm()
{
static char ret_loadparm[sizeof(loadparm)+1];
int i;
ret_loadparm[sizeof(loadparm)] = '\0';
for(i = sizeof(loadparm) - 1; i >= 0; i--)
{
ret_loadparm[i] = guest_to_host((int)loadparm[i]);
if(isspace(ret_loadparm[i]) && !ret_loadparm[i+1])
ret_loadparm[i] = '\0';
}
return ret_loadparm;
}
/*-------------------------------------------------------------------*/
/* LOGICAL PARTITION NAME */
/* Set by: LPARNAME configuration statement */
/* Retrieved by: STSI and MSSF_CALL instructions */
/*-------------------------------------------------------------------*/
static BYTE lparname[8] = {0xC8, 0xC5, 0xD9, 0xC3, 0xE4, 0xD3, 0xC5, 0xE2};
/* HERCULES */
void set_lparname(char *name)
{
size_t i;
for(i = 0; name && i < strlen(name) && i < sizeof(lparname); i++)
if(isprint(name[i]))
lparname[i] = host_to_guest((int)(islower(name[i]) ? toupper(name[i]) : name[i]));
else
lparname[i] = 0x40;
for(; i < sizeof(lparname); i++)
lparname[i] = 0x40;
}
void get_lparname(BYTE *dest)
{
memcpy(dest, lparname, sizeof(lparname));
}
LOADPARM_DLL_IMPORT
char *str_lparname()
{
static char ret_lparname[sizeof(lparname)+1];
int i;
ret_lparname[sizeof(lparname)] = '\0';
for(i = sizeof(lparname) - 1; i >= 0; i--)
{
ret_lparname[i] = guest_to_host((int)lparname[i]);
if(isspace(ret_lparname[i]) && !ret_lparname[i+1])
ret_lparname[i] = '\0';
}
return ret_lparname;
}
/*-------------------------------------------------------------------*/
/* MANUFACTURER NAME */
/* Set by: MANUFACTURER configuration statement */
/* Retrieved by: STSI instruction */
/*-------------------------------------------------------------------*/
/* "H R C" */
static BYTE manufact[16] = { 0xC8,0xD9,0xC3,0x40,0x40,0x40,0x40,0x40,
0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40 };
void set_manufacturer(char *name)
{
size_t i;
for(i = 0; name && i < strlen(name) && i < sizeof(manufact); i++)
if(isprint(name[i]))
manufact[i] = host_to_guest((int)(islower(name[i]) ? toupper(name[i]) : name[i]));
else
manufact[i] = 0x40;
for(; i < sizeof(manufact); i++)
manufact[i] = 0x40;
}
void get_manufacturer(BYTE *dest)
{
memcpy(dest, manufact, sizeof(manufact));
}
/*-------------------------------------------------------------------*/
/* MANUFACTURING PLANT NAME */
/* Set by: PLANT configuration statement */
/* Retrieved by: STSI instruction */
/*-------------------------------------------------------------------*/
/* "Z Z" */
static BYTE plant[4] = { 0xE9,0xE9,0x40,0x40 };
void set_plant(char *name)
{
size_t i;
for(i = 0; name && i < strlen(name) && i < sizeof(plant); i++)
if(isprint(name[i]))
plant[i] = host_to_guest((int)(islower(name[i]) ? toupper(name[i]) : name[i]));
else
plant[i] = 0x40;
for(; i < sizeof(plant); i++)
plant[i] = 0x40;
}
void get_plant(BYTE *dest)
{
memcpy(dest, plant, sizeof(plant));
}
/*-------------------------------------------------------------------*/
/* MODEL IDENTIFICATION */
/* Set by: MODEL configuration statement */
/* Retrieved by: STSI instruction */
/*-------------------------------------------------------------------*/
/* "E M U L A T O R" */
static BYTE model[16] = { 0xC5,0xD4,0xE4,0xD3,0xC1,0xE3,0xD6,0xD9,
0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40 };
static BYTE modelcapa[16] = { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 };
static BYTE modelperm[16] = { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 };
static BYTE modeltemp[16] = { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 };
void set_model(int argc, char *m1, char *m2, char *m3, char *m4)
{
if (argc > 1 && m1 != NULL)
copy_stringz_to_ebcdic(model, sizeof(model), m1);
if (argc > 2 && m2 != NULL)
copy_stringz_to_ebcdic(modelcapa, sizeof(modelcapa), m2);
if (argc > 3 && m3 != NULL)
copy_stringz_to_ebcdic(modelperm, sizeof(modelperm), m3);
if (argc > 4 && m4 != NULL)
copy_stringz_to_ebcdic(modeltemp, sizeof(modeltemp), m4);
}
void get_model(BYTE *dest)
{
memcpy(dest, model, sizeof(model));
}
void get_modelcapa(BYTE *dest)
{
memcpy(dest, modelcapa, sizeof(modelcapa));
}
void get_modelperm(BYTE *dest)
{
memcpy(dest, modelperm, sizeof(modelperm));
}
void get_modeltemp(BYTE *dest)
{
memcpy(dest, modeltemp, sizeof(modeltemp));
}
/*-------------------------------------------------------------------*/
/* SYSTEM TYPE IDENTIFICATION */
/* Set by: SERVC instruction */
/* Retrieved by: DIAG204 instruction */
/*-------------------------------------------------------------------*/
static BYTE systype[8] = { 0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40 };
void set_systype(BYTE *src)
{
memcpy(systype, src, sizeof(systype));
}
void get_systype(BYTE *dst)
{
memcpy(dst, systype, sizeof(systype));
}
/*-------------------------------------------------------------------*/
/* SYSTEM NAME */
/* Set by: SERVC instruction */
/* Retrieved by: DIAG204 instruction */
/*-------------------------------------------------------------------*/
static BYTE sysname[8] = { 0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40 };
void set_sysname(BYTE *src)
{
memcpy(sysname, src, sizeof(sysname));
}
void get_sysname(BYTE *dst)
{
memcpy(dst, sysname, sizeof(sysname));
}
/*-------------------------------------------------------------------*/
/* SYSPLEX NAME */
/* Set by: SERVC instruction */
/* Retrieved by: DIAG204 instruction */
/*-------------------------------------------------------------------*/
static BYTE sysplex[8] = { 0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40 };
void set_sysplex(BYTE *src)
{
memcpy(sysplex, src, sizeof(sysplex));
}
void get_sysplex(BYTE *dst)
{
memcpy(dst, sysplex, sizeof(sysplex));
}
/*-------------------------------------------------------------------*/
/* Retrieve Multiprocessing CPU-Capability Adjustment Factors */
/* */
/* This function retrieves the Multiprocessing CPU-Capability */
/* Adjustment Factor values for SYSIB (System Information Block) */
/* 1.2.2 as described in the Principles of Operations manual for */
/* the STORE SYSTEM INFORMATION instruction. */
/* */
/* Input: */
/* dest Address of where to store the information. */
/* Output: */
/* The requested MP Factor values at the address specified. */
/* Used by: */
/* B27D STSI Store System Information (Basic-machine All CPUs) */
/* B220 SERVC Service Call (read_scpinfo) */
/*-------------------------------------------------------------------*/
void get_mpfactors(BYTE *dest)
{
/*-------------------------------------------------------------------*/
/* The new z10 machine will use a denominator of 65535 for better */
/* granularity. But this will mess up old software. We will stick */
/* to the old value of 100. Bernard Feb 26, 2010. */
/*-------------------------------------------------------------------*/
#define MPFACTOR_DENOMINATOR 100
#define MPFACTOR_PERCENT 95
static U16 mpfactors[MAX_CPU_ENGINES-1] = {0};
static BYTE didthis = 0;
if (!didthis)
{
/* First time: initialize array... */
U32 mpfactor = MPFACTOR_DENOMINATOR;
size_t i;
for (i=0; i < arraysize( mpfactors ); i++)
{
/* Calculate the value of each subsequent entry
as percentage of the previous entry's value. */
mpfactor = (mpfactor * MPFACTOR_PERCENT) / 100;
STORE_HW( &mpfactors[i], (U16) mpfactor );
}
didthis = 1;
}
/* Return the requested information... */
memcpy( dest, &mpfactors[0], (MAX_CPU-1) * sizeof(U16) );
}
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