patch-2.4.19 linux-2.4.19/arch/ia64/sn/sn1/llsc4.c
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- Lines: 953
- Date:
Wed Dec 31 16:00:00 1969
- Orig file:
linux-2.4.18/arch/ia64/sn/sn1/llsc4.c
- Orig date:
Fri Nov 9 14:26:17 2001
diff -urN linux-2.4.18/arch/ia64/sn/sn1/llsc4.c linux-2.4.19/arch/ia64/sn/sn1/llsc4.c
@@ -1,952 +0,0 @@
-/*
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * Copyright (C) 2000 Silicon Graphics, Inc.
- * Copyright (C) 2000 by Jack Steiner (steiner@sgi.com)
- */
-
-#include <linux/config.h>
-#include <linux/kernel.h>
-#include <linux/sched.h>
-#include <linux/init.h>
-#include <linux/interrupt.h>
-#include <linux/smp.h>
-#include <linux/kernel_stat.h>
-#include <linux/mm.h>
-#include <linux/delay.h>
-#include <linux/string.h>
-#include <asm/efi.h>
-#include <asm/page.h>
-#include <linux/threads.h>
-
-extern void bringup_set_led_bits(u8 bits, u8 mask);
-
-#include "llsc4.h"
-
-
-#ifdef STANDALONE
-#include "lock.h"
-#endif
-
-#ifdef INTTEST
-static int inttest=0;
-#endif
-
-/*
- * Test parameter table for AUTOTEST
- */
-typedef struct {
- int passes;
- int linecount;
- int linepad;
-} autotest_table_t;
-
-autotest_table_t autotest_table[] = {
- {5000000, 2, 0x2b4 },
- {5000000, 16, 0, },
- {5000000, 16, 4, },
- {5000000, 128, 0x44 },
- {5000000, 128, 0x84 },
- {5000000, 128, 0x200 },
- {5000000, 128, 0x204 },
- {5000000, 128, 0x2b4 },
- {5000000, 2, 8*MB+0x2b4 },
- {5000000, 16, 8*MB+0 },
- {5000000, 16, 8*MB+4 },
- {5000000, 128, 8*MB+0x44 },
- {5000000, 128, 8*MB+0x84 },
- {5000000, 128, 8*MB+0x200 },
- {5000000, 128, 8*MB+0x204 },
- {5000000, 128, 8*MB+0x2b4 },
- {0}};
-
-/*
- * Array of virtual addresses available for test purposes.
- */
-
-typedef struct {
- long vstart;
- long vend;
- long nextaddr;
- int wrapcount;
-} memmap_t;
-
-memmap_t memmap[MAXCHUNKS];
-int memmapx=0;
-
-typedef struct {
- void *addr;
- long data[16];
- long data_fc[16];
-} capture_line_t;
-
-typedef struct {
- int size;
- void *blockaddr;
- void *shadaddr;
- long blockdata[16];
- long shaddata[16];
- long blockdata_fc[16];
- long shaddata_fc[16];
- long synerr;
-} capture_t;
-
-/*
- * PORTING NOTE: revisit this statement. On hardware we put mbase at 0 and
- * the rest of the tables have to start at 1MB to skip PROM tables.
- */
-#define THREADPRIVATE(t) ((threadprivate_t*)(((long)mbase)+1024*1024+t*((sizeof(threadprivate_t)+511)/512*512)))
-
-#define k_capture mbase->sk_capture
-#define k_go mbase->sk_go
-#define k_linecount mbase->sk_linecount
-#define k_passes mbase->sk_passes
-#define k_napticks mbase->sk_napticks
-#define k_stop_on_error mbase->sk_stop_on_error
-#define k_verbose mbase->sk_verbose
-#define k_threadprivate mbase->sk_threadprivate
-#define k_blocks mbase->sk_blocks
-#define k_iter_msg mbase->sk_iter_msg
-#define k_vv mbase->sk_vv
-#define k_linepad mbase->sk_linepad
-#define k_options mbase->sk_options
-#define k_testnumber mbase->sk_testnumber
-#define k_currentpass mbase->sk_currentpass
-
-static long blocks[MAX_LINECOUNT]; /* addresses of data blocks */
-static control_t *mbase;
-static vint initialized=0;
-
-static unsigned int ran_conf_llsc(int);
-static int rerr(capture_t *, char *, void *, void *, int, int, int, int, int, int);
-static void dumpline(void *, char *, char *, void *, void *, int);
-static int checkstop(int, int, uint);
-static void spin(int);
-static void capturedata(capture_t *, uint, void *, void *, int);
-static int randn(uint max, uint *seed);
-static uint zrandom (uint *zranseed);
-static int set_lock(uint *, uint);
-static int clr_lock(uint *, uint);
-static void Speedo(void);
-
-int autotest_enabled=0;
-static int llsctest_number=-1;
-static int errstop_enabled=0;
-static int fail_enabled=0;
-static int selective_trigger=0;
-static int dump_block_addrs_opt=0;
-static uint errlock=0;
-
-static int __init autotest_enable(char *str)
-{
- autotest_enabled = 1;
- return 1;
-}
-static int __init set_llscblkadr(char *str)
-{
- dump_block_addrs_opt = 1;
- return 1;
-}
-static int __init set_llscselt(char *str)
-{
- selective_trigger = 1;
- return 1;
-}
-static int __init set_llsctest(char *str)
-{
- llsctest_number = simple_strtol(str, &str, 10);
- if (llsctest_number < 0 || llsctest_number > 15)
- llsctest_number = -1;
- return 1;
-}
-static int __init set_llscerrstop(char *str)
-{
- errstop_enabled = 1;
- return 1;
-}
-static int __init set_llscfail(char *str)
-{
- fail_enabled = 8;
- return 1;
-}
-
-static void print_params(void)
-{
- printk ("********* Enter AUTOTEST facility on master cpu *************\n");
- printk (" Test options:\n");
- printk (" llsctest=<n>\t%d\tTest number to run (all = -1)\n", llsctest_number);
- printk (" llscerrstop \t%s\tStop on error\n", errstop_enabled ? "on" : "off");
- printk (" llscfail \t%s\tForce a failure to test the trigger & error messages\n", fail_enabled ? "on" : "off");
- printk (" llscselt \t%s\tSelective triger on failures\n", selective_trigger ? "on" : "off");
- printk (" llscblkadr \t%s\tDump data block addresses\n", dump_block_addrs_opt ? "on" : "off");
- printk ("\n");
-}
-__setup("autotest", autotest_enable);
-__setup("llsctest=", set_llsctest);
-__setup("llscerrstop", set_llscerrstop);
-__setup("llscfail", set_llscfail);
-__setup("llscselt", set_llscselt);
-__setup("llscblkadr", set_llscblkadr);
-
-
-extern inline int
-set_lock(uint *lock, uint id)
-{
- uint old;
- old = cmpxchg_acq(lock, 0, id);
- return (old == 0);
-}
-
-extern inline int
-clr_lock(uint *lock, uint id)
-{
- uint old;
- old = cmpxchg_rel(lock, id, 0);
- return (old == id);
-}
-
-extern inline void
-zero_lock(uint *lock)
-{
- *lock = 0;
-}
-
-/*------------------------------------------------------------------------+
-| Routine : ran_conf_llsc - ll/sc shared data test |
-| Description: This test checks the coherency of shared data |
-+------------------------------------------------------------------------*/
-static unsigned int
-ran_conf_llsc(int thread)
-{
- private_t pval;
- share_t sval, sval2;
- uint vv, linei, slinei, sharei, pass;
- long t;
- lock_t lockpat;
- share_t *sharecopy;
- long verbose, napticks, passes, linecount, lcount;
- dataline_t *linep, *slinep;
- int s, seed;
- threadprivate_t *tp;
- uint iter_msg, iter_msg_i=0;
- int vv_mask;
- int correct_errors;
- int errs=0;
- int stillbad;
- capture_t capdata;
- private_t *privp;
- share_t *sharep;
-
-
- linecount = k_linecount;
- napticks = k_napticks;
- verbose = k_verbose;
- passes = k_passes;
- iter_msg = k_iter_msg;
- seed = (thread + 1) * 647;
- tp = THREADPRIVATE(thread);
- vv_mask = (k_vv>>((thread%16)*4)) & 0xf;
- correct_errors = k_options&0xff;
-
- memset (&tp->private, 0, sizeof(tp->private));
- memset (&capdata, 0, sizeof(capdata));
-
- for (pass = 1; passes == 0 || pass < passes; pass++) {
- lockpat = (pass & 0x0fffffff) + (thread <<28);
- tp->threadpasses = pass;
- if (checkstop(thread, pass, lockpat))
- return 0;
- iter_msg_i++;
- if (iter_msg && iter_msg_i > iter_msg) {
- printk("Thread %d, Pass %d\n", thread, pass);
- iter_msg_i = 0;
- }
- lcount = 0;
-
- /*
- * Select line to perform operations on.
- */
- linei = randn(linecount, &seed);
- sharei = randn(2, &seed);
- slinei = (linei + (linecount/2))%linecount; /* I dont like this - fix later */
-
- linep = (dataline_t *)blocks[linei];
- slinep = (dataline_t *)blocks[slinei];
- if (sharei == 0)
- sharecopy = &slinep->share0;
- else
- sharecopy = &slinep->share1;
-
-
- vv = randn(4, &seed);
- if ((vv_mask & (1<<vv)) == 0)
- continue;
-
- if (napticks) {
- t = randn(napticks, &seed);
- udelay(t);
- }
- privp = &linep->private[thread];
- sharep = &linep->share[sharei];
-
- switch(vv) {
- case 0:
- /* Read and verify private count on line. */
- pval = *privp;
- if (verbose)
- printk("Line:%3d, Thread:%d:%d. Val: %x\n", linei, thread, vv, tp->private[linei]);
- if (pval != tp->private[linei]) {
- capturedata(&capdata, pass, privp, NULL, sizeof(*privp));
- stillbad = (*privp != tp->private[linei]);
- if (rerr(&capdata, "Private count", linep, slinep, thread, pass, linei, tp->private[linei], pval, stillbad)) {
- return 1;
- }
- if (correct_errors) {
- tp->private[linei] = *privp;
- }
- errs++;
- }
- break;
-
- case 1:
- /* Read, verify, and increment private count on line. */
- pval = *privp;
- if (verbose)
- printk("Line:%3d, Thread:%d:%d. Val: %x\n", linei, thread, vv, tp->private[linei]);
- if (pval != tp->private[linei]) {
- capturedata(&capdata, pass, privp, NULL, sizeof(*privp));
- stillbad = (*privp != tp->private[linei]);
- if (rerr(&capdata, "Private count & inc", linep, slinep, thread, pass, linei, tp->private[linei], pval, stillbad)) {
- return 1;
- }
- errs++;
- }
- pval++;
- *privp = pval;
- tp->private[linei] = pval;
- break;
-
- case 2:
- /* Lock line, read and verify shared data. */
- if (verbose)
- printk("Line:%3d, Thread:%d:%d. Val: %x\n", linei, thread, vv, *sharecopy);
- lcount = 0;
- while (LOCK(sharei) != 1) {
- if (checkstop(thread, pass, lockpat))
- return 0;
- if (lcount++>1000000) {
- capturedata(&capdata, pass, LOCKADDR(sharei), NULL, sizeof(lock_t));
- stillbad = (GETLOCK(sharei) != 0);
- rerr(&capdata, "Shared data lock", linep, slinep, thread, pass, linei, 0, GETLOCK(sharei), stillbad);
- return 1;
- }
- if ((lcount&0x3fff) == 0)
- udelay(1000);
- }
-
- sval = *sharep;
- sval2 = *sharecopy;
- if (pass > 12 && thread == 0 && fail_enabled == 1)
- sval++;
- if (sval != sval2) {
- capturedata(&capdata, pass, sharep, sharecopy, sizeof(*sharecopy));
- stillbad = (*sharep != *sharecopy);
- if (!stillbad && *sharep != sval && *sharecopy == sval2)
- stillbad = 2;
- if (rerr(&capdata, "Shared data", linep, slinep, thread, pass, linei, sval2, sval, stillbad)) {
- return 1;
- }
- if (correct_errors)
- *sharep = *sharecopy;
- errs++;
- }
-
-
- if ( (s=UNLOCK(sharei)) != 1) {
- capturedata(&capdata, pass, LOCKADDR(sharei), NULL, 4);
- stillbad = (GETLOCK(sharei) != lockpat);
- if (rerr(&capdata, "Shared data unlock", linep, slinep, thread, pass, linei, lockpat, GETLOCK(sharei), stillbad))
- return 1;
- if (correct_errors)
- ZEROLOCK(sharei);
- errs++;
- }
- break;
-
- case 3:
- /* Lock line, read and verify shared data, modify shared data. */
- if (verbose)
- printk("Line:%3d, Thread:%d:%d. Val: %x\n", linei, thread, vv, *sharecopy);
- lcount = 0;
- while (LOCK(sharei) != 1) {
- if (checkstop(thread, pass, lockpat))
- return 0;
- if (lcount++>1000000) {
- capturedata(&capdata, pass, LOCKADDR(sharei), NULL, sizeof(lock_t));
- stillbad = (GETLOCK(sharei) != 0);
- rerr(&capdata, "Shared data lock & inc", linep, slinep, thread, pass, linei, 0, GETLOCK(sharei), stillbad);
- return 1;
- }
- if ((lcount&0x3fff) == 0)
- udelay(1000);
- }
- sval = *sharep;
- sval2 = *sharecopy;
- if (sval != sval2) {
- capturedata(&capdata, pass, sharep, sharecopy, sizeof(*sharecopy));
- stillbad = (*sharep != *sharecopy);
- if (!stillbad && *sharep != sval && *sharecopy == sval2)
- stillbad = 2;
- if (rerr(&capdata, "Shared data & inc", linep, slinep, thread, pass, linei, sval2, sval, stillbad)) {
- return 1;
- }
- errs++;
- }
-
- *sharep = lockpat;
- *sharecopy = lockpat;
-
-
- if ( (s=UNLOCK(sharei)) != 1) {
- capturedata(&capdata, pass, LOCKADDR(sharei), NULL, 4);
- stillbad = (GETLOCK(sharei) != lockpat);
- if (rerr(&capdata, "Shared data & inc unlock", linep, slinep, thread, pass, linei, thread, GETLOCK(sharei), stillbad))
- return 1;
- if (correct_errors)
- ZEROLOCK(sharei);
- errs++;
- }
- break;
- }
- }
-
- return (errs > 0);
-}
-
-static void
-trigger_la(long val)
-{
- long *p;
-
- p = (long*)0xc0000a0001000020L; /* PI_CPU_NUM */
- *p = val;
-}
-
-static long
-getsynerr(void)
-{
- long err, *errp;
-
- errp = (long*)0xc0000e0000000340L; /* SYN_ERR */
- err = *errp;
- if (err)
- *errp = -1L;
- return (err & ~0x60);
-}
-
-static int
-rerr(capture_t *cap, char *msg, void *lp, void *slp, int thread, int pass, int linei, int exp, int found, int stillbad)
-{
- int cpu, i;
- long synerr;
- int selt;
-
-
- selt = selective_trigger && stillbad > 1 &&
- memcmp(cap->blockdata, cap->blockdata_fc, 128) != 0 &&
- memcmp(cap->shaddata, cap->shaddata_fc, 128) == 0;
- if (selt) {
- trigger_la(pass);
- } else if (selective_trigger) {
- k_go = ST_STOP;
- return k_stop_on_error;;
- }
-
- spin(1);
- i = 100;
- while (i && set_lock(&errlock, 1) != 1) {
- spin(1);
- i--;
- }
- printk ("\nDataError!: %-20s, test %ld, thread %d, line:%d, pass %d (0x%x), time %ld expected:%x, found:%x\n",
- msg, k_testnumber, thread, linei, pass, pass, jiffies, exp, found);
-
- dumpline (lp, "Corrupted data", "D ", cap->blockaddr, cap->blockdata, cap->size);
- if (memcmp(cap->blockdata, cap->blockdata_fc, 128))
- dumpline (lp, "Corrupted data", "DF", cap->blockaddr, cap->blockdata_fc, cap->size);
-
- if (cap->shadaddr) {
- dumpline (slp, "Shadow data", "S ", cap->shadaddr, cap->shaddata, cap->size);
- if (memcmp(cap->shaddata, cap->shaddata_fc, 128))
- dumpline (slp, "Shadow data", "SF", cap->shadaddr, cap->shaddata_fc, cap->size);
- }
-
- printk("Threadpasses: ");
- for (cpu=0; cpu<MAXCPUS; cpu++)
- if (k_threadprivate[cpu]->threadpasses)
- printk(" %d:0x%x", cpu, k_threadprivate[cpu]->threadpasses);
-
-
- printk("\nData was %sfixed by flushcache\n", (stillbad == 1 ? "**** NOT **** " : " "));
- synerr = getsynerr();
- if (synerr)
- printk("SYNERR: Thread %d, Synerr: 0x%lx\n", thread, synerr);
- spin(2);
- printk("\n\n");
- clr_lock(&errlock, 1);
-
- if (errstop_enabled) {
- local_irq_disable();
- while(1);
- }
- return k_stop_on_error;
-}
-
-
-static void
-dumpline(void *lp, char *str1, char *str2, void *addr, void *data, int size)
-{
- long *p;
- int i, off;
-
- printk("%s at 0x%lx, size %d, block starts at 0x%lx\n", str1, (long)addr, size, (long)lp);
- p = (long*) data;
- for (i=0; i<16; i++, p++) {
- if (i==0) printk("%2s", str2);
- if (i==8) printk(" ");
- printk(" %016lx", *p);
- if ((i&7)==7) printk("\n");
- }
- printk(" ");
- off = (((long)addr) ^ size) & 63L;
- for (i=0; i<off+size; i++) {
- printk("%s", (i>=off) ? "--" : " ");
- if ((i%8) == 7)
- printk(" ");
- }
-
- off = ((long)addr) & 127;
- printk(" (line %d)\n", off/64+1);
-}
-
-
-static int
-randn(uint max, uint *seedp)
-{
- if (max == 1)
- return(0);
- else
- return((int)(zrandom(seedp)>>10) % max);
-}
-
-
-static int
-checkstop(int thread, int pass, uint lockpat)
-{
- long synerr;
-
- if (k_go == ST_RUN)
- return 0;
- if (k_go == ST_STOP)
- return 1;
-
- if (errstop_enabled) {
- local_irq_disable();
- while(1);
- }
- synerr = getsynerr();
- spin(2);
- if (k_go == ST_STOP)
- return 1;
- if (synerr)
- printk("SYNERR: Thread %d, Synerr: 0x%lx\n", thread, synerr);
- return 1;
-}
-
-
-static void
-spin(int j)
-{
- udelay(j * 500000);
-}
-
-static void
-capturedata(capture_t *cap, uint pass, void *blockaddr, void *shadaddr, int size)
-{
-
- if (!selective_trigger)
- trigger_la (pass);
-
- memcpy (cap->blockdata, CACHEALIGN(blockaddr), 128);
- if (shadaddr)
- memcpy (cap->shaddata, CACHEALIGN(shadaddr), 128);
-
- if (k_stop_on_error) {
- k_go = ST_ERRSTOP;
- }
-
- cap->size = size;
- cap->blockaddr = blockaddr;
- cap->shadaddr = shadaddr;
-
- asm volatile ("fc %0" :: "r"(blockaddr) : "memory");
- ia64_sync_i();
- ia64_srlz_d();
- memcpy (cap->blockdata_fc, CACHEALIGN(blockaddr), 128);
-
- if (shadaddr) {
- asm volatile ("fc %0" :: "r"(shadaddr) : "memory");
- ia64_sync_i();
- ia64_srlz_d();
- memcpy (cap->shaddata_fc, CACHEALIGN(shadaddr), 128);
- }
-}
-
-int zranmult = 0x48c27395;
-
-static uint
-zrandom (uint *seedp)
-{
- *seedp = (*seedp * zranmult) & 0x7fffffff;
- return (*seedp);
-}
-
-
-void
-set_autotest_params(void)
-{
- static int testnumber=-1;
-
- if (llsctest_number >= 0) {
- testnumber = llsctest_number;
- } else {
- testnumber++;
- if (autotest_table[testnumber].passes == 0) {
- testnumber = 0;
- dump_block_addrs_opt = 0;
- }
- }
- k_passes = autotest_table[testnumber].passes;
- k_linepad = autotest_table[testnumber].linepad;
- k_linecount = autotest_table[testnumber].linecount;
- k_testnumber = testnumber;
-
- if (IS_RUNNING_ON_SIMULATOR()) {
- printk ("llsc start test %ld\n", k_testnumber);
- k_passes = 1000;
- }
-}
-
-
-static void
-set_leds(int errs)
-{
- unsigned char leds=0;
-
- /*
- * Leds are:
- * ppppeee-
- * where
- * pppp = test number
- * eee = error count but top bit is stick
- */
-
- leds = ((errs&7)<<1) | ((k_testnumber&15)<<4) | (errs ? 0x08 : 0);
- bringup_set_led_bits(leds, 0xfe);
-}
-
-static void
-setup_block_addresses(void)
-{
- int i, stride, memmapi;
-
- stride = LINESTRIDE;
- memmapi = 0;
- for (i=0; i<memmapx; i++) {
- memmap[i].nextaddr = memmap[i].vstart;
- memmap[i].wrapcount = 0;
- }
-
- for (i=0; i<k_linecount; i++) {
- blocks[i] = memmap[memmapi].nextaddr;
- memmap[memmapi].nextaddr += stride;
- if (memmap[memmapi].nextaddr + sizeof(dataline_t) >= memmap[memmapi].vend) {
- memmap[memmapi].wrapcount++;
- memmap[memmapi].nextaddr = memmap[memmapi].vstart +
- memmap[memmapi].wrapcount * sizeof(dataline_t);
- }
-
- memset((void*)blocks[i], 0, sizeof(dataline_t));
-
- if (stride > 16384) {
- memmapi++;
- if (memmapi == memmapx)
- memmapi = 0;
- }
- }
-
-}
-
-static void
-dump_block_addrs(void)
-{
- int i;
-
- printk("LLSC TestNumber %ld\n", k_testnumber);
-
- for (i=0; i<k_linecount; i++) {
- printk(" %lx", blocks[i]);
- if (i%4 == 3)
- printk("\n");
- }
- printk("\n");
-}
-
-
-static void
-set_thread_state(int cpuid, int state)
-{
- if (k_threadprivate[cpuid]->threadstate == TS_KILLED) {
- bringup_set_led_bits(0xfe, 0xfe);
- while(1);
- }
- k_threadprivate[cpuid]->threadstate = state;
-}
-
-static int
-build_mem_map(unsigned long start, unsigned long end, void *arg)
-{
- long lstart;
- long align = 8*MB;
- /*
- * HACK - skip the kernel on the first node
- */
-
- printk ("LLSC memmap: start 0x%lx, end 0x%lx, (0x%lx - 0x%lx)\n",
- start, end, (long) virt_to_page(start), (long) virt_to_page(end-PAGE_SIZE));
-
- while (end > start && (PageReserved(virt_to_page(end-PAGE_SIZE)) || virt_to_page(end-PAGE_SIZE)->count.counter > 0))
- end -= PAGE_SIZE;
-
- lstart = end;
- while (lstart > start && (!PageReserved(virt_to_page(lstart-PAGE_SIZE)) && virt_to_page(lstart-PAGE_SIZE)->count.counter == 0))
- lstart -= PAGE_SIZE;
-
- lstart = (lstart + align -1) /align * align;
- end = end / align * align;
- if (lstart >= end)
- return 0;
- printk (" memmap: start 0x%lx, end 0x%lx\n", lstart, end);
-
- memmap[memmapx].vstart = lstart;
- memmap[memmapx].vend = end;
- memmapx++;
- return 0;
-}
-
-void int_test(void);
-
-int
-llsc_main (int cpuid, long mbasex)
-{
- int i, cpu, is_master, repeatcnt=0;
- unsigned int preverr=0, errs=0, pass=0;
- int automode=0;
-
-#ifdef INTTEST
- if (inttest)
- int_test();
-#endif
-
- if (!autotest_enabled)
- return 0;
-
-#ifdef CONFIG_SMP
- is_master = !smp_processor_id();
-#else
- is_master = 1;
-#endif
-
-
- if (is_master) {
- print_params();
- if(!IS_RUNNING_ON_SIMULATOR())
- spin(10);
- mbase = (control_t*)mbasex;
- k_currentpass = 0;
- k_go = ST_IDLE;
- k_passes = DEF_PASSES;
- k_napticks = DEF_NAPTICKS;
- k_stop_on_error = DEF_STOP_ON_ERROR;
- k_verbose = DEF_VERBOSE;
- k_linecount = DEF_LINECOUNT;
- k_iter_msg = DEF_ITER_MSG;
- k_vv = DEF_VV;
- k_linepad = DEF_LINEPAD;
- k_blocks = (void*)blocks;
- efi_memmap_walk(build_mem_map, 0);
-
-#ifdef CONFIG_IA64_SGI_AUTOTEST
- automode = 1;
-#endif
-
- for (i=0; i<MAXCPUS; i++) {
- k_threadprivate[i] = THREADPRIVATE(i);
- memset(k_threadprivate[i], 0, sizeof(*k_threadprivate[i]));
- }
- initialized = 1;
- } else {
- while (initialized == 0)
- udelay(100);
- }
-
-loop:
- if (is_master) {
- if (automode) {
- if (!preverr || repeatcnt++ > 5) {
- set_autotest_params();
- repeatcnt = 0;
- }
- } else {
- while (k_go == ST_IDLE);
- }
-
- k_go = ST_INIT;
- if (k_linecount > MAX_LINECOUNT) k_linecount = MAX_LINECOUNT;
- k_linecount = k_linecount & ~1;
- setup_block_addresses();
- if (dump_block_addrs_opt)
- dump_block_addrs();
-
- k_currentpass = pass++;
- k_go = ST_RUN;
- if (fail_enabled)
- fail_enabled--;
-
- } else {
- while (k_go != ST_RUN || k_currentpass != pass);
- pass++;
- }
-
-
- set_leds(errs);
- set_thread_state(cpuid, TS_RUNNING);
-
- errs += ran_conf_llsc(cpuid);
- preverr = (k_go == ST_ERRSTOP);
-
- set_leds(errs);
- set_thread_state(cpuid, TS_STOPPED);
-
- if (is_master) {
- Speedo();
- for (i=0, cpu=0; cpu<MAXCPUS; cpu++) {
- while (k_threadprivate[cpu]->threadstate == TS_RUNNING) {
- i++;
- if (i == 10000) {
- k_go = ST_STOP;
- printk (" llsc master stopping test number %ld\n", k_testnumber);
- }
- if (i > 100000) {
- k_threadprivate[cpu]->threadstate = TS_KILLED;
- printk (" llsc: master killing cpuid %d, running test number %ld\n",
- cpu, k_testnumber);
- }
- udelay(1000);
- }
- }
- }
-
- goto loop;
-}
-
-
-static void
-Speedo(void)
-{
- static int i = 0;
-
- switch (++i%4) {
- case 0:
- printk("|\b");
- break;
- case 1:
- printk("\\\b");
- break;
- case 2:
- printk("-\b");
- break;
- case 3:
- printk("/\b");
- break;
- }
-}
-
-#ifdef INTTEST
-
-/* ========================================================================================================
- *
- * Some test code to verify that interrupts work
- *
- * Add the following to the arch/ia64/kernel/smp.c after the comment "Reschedule callback"
- * if (zzzprint_resched) printk(" cpu %d got interrupt\n", smp_processor_id());
- *
- * Enable the code in arch/ia64/sn/sn1/smp.c to print sending IPIs.
- *
- */
-
-static int __init set_inttest(char *str)
-{
- inttest = 1;
- autotest_enabled = 1;
-
- return 1;
-}
-
-__setup("inttest=", set_inttest);
-
-int zzzprint_resched=0;
-
-void
-int_test() {
- int mycpu, cpu;
- static volatile int control_cpu=0;
-
- mycpu = smp_processor_id();
- zzzprint_resched = 2;
-
- printk("Testing cross interrupts\n");
-
- while (control_cpu != smp_num_cpus) {
- if (mycpu == cpu_logical_map(control_cpu)) {
- for (cpu=0; cpu<smp_num_cpus; cpu++) {
- printk("Sending interrupt from %d to %d\n", mycpu, cpu_logical_map(cpu));
- udelay(IS_RUNNING_ON_SIMULATOR ? 10000 : 400000);
- smp_send_reschedule(cpu_logical_map(cpu));
- udelay(IS_RUNNING_ON_SIMULATOR ? 10000 : 400000);
- smp_send_reschedule(cpu_logical_map(cpu));
- udelay(IS_RUNNING_ON_SIMULATOR ? 10000 : 400000);
- }
- control_cpu++;
- }
- }
-
- zzzprint_resched = 1;
-
- if (mycpu == cpu_logical_map(smp_num_cpus-1)) {
- printk("\nTight loop of cpu %d sending ints to cpu 0 (every 100 us)\n", mycpu);
- udelay(IS_RUNNING_ON_SIMULATOR ? 1000 : 1000000);
- __cli();
- while (1) {
- smp_send_reschedule(0);
- udelay(100);
- }
-
- }
-
- while(1);
-}
-#endif
FUNET's LINUX-ADM group, linux-adm@nic.funet.fi
TCL-scripts by Sam Shen (who was at: slshen@lbl.gov)