From fbdcdd6c198149aebccb5cd7068ec5bf74c4012d Mon Sep 17 00:00:00 2001 From: Pascal Rigaux Date: Tue, 10 Jan 2006 14:52:39 +0000 Subject: look for "NR_CPUS limit of 1 reached" instead of looking MP tables by hand, or using DMI info (often broken) --- perl-install/c/smp-dmi.c | 325 ----------------------------------------------- 1 file changed, 325 deletions(-) delete mode 100644 perl-install/c/smp-dmi.c (limited to 'perl-install/c/smp-dmi.c') diff --git a/perl-install/c/smp-dmi.c b/perl-install/c/smp-dmi.c deleted file mode 100644 index 60a92b9d6..000000000 --- a/perl-install/c/smp-dmi.c +++ /dev/null @@ -1,325 +0,0 @@ -/* - * CPU detetion based on DMI decode rev 1.2 - * - * (C) 2003 Nicolas Planel - * - * Licensed under the GNU Public license. If you want to use it in with - * another license just ask. - */ - -#include -#include -#include -#include -#include -#include - -typedef unsigned char u8; -typedef unsigned short u16; -typedef unsigned int u32; - -static void -dump_raw_data(void *data, unsigned int length) -{ - unsigned char buffer1[80], buffer2[80], *b1, *b2, c; - unsigned char *p = data; - unsigned long column=0; - unsigned int length_printed = 0; - const unsigned char maxcolumn = 16; - while (length_printed < length) { - b1 = buffer1; - b2 = buffer2; - for (column = 0; - column < maxcolumn && length_printed < length; - column ++) { - b1 += sprintf(b1, "%02x ",(unsigned int) *p); - if (*p < 32 || *p > 126) c = '.'; - else c = *p; - b2 += sprintf(b2, "%c", c); - p++; - length_printed++; - } - /* pad out the line */ - for (; column < maxcolumn; column++) - { - b1 += sprintf(b1, " "); - b2 += sprintf(b2, " "); - } - - printf("%s\t%s\n", buffer1, buffer2); - } -} - - -#define DEFAULT_MEM_DEV "/dev/mem" - -void *mem_chunk(u32 base, u32 len, const char *devmem) -{ - void *p; - int fd; - off_t mmoffset; - void *mmp; - - if ((fd = open(devmem, O_RDONLY)) < 0) - return NULL; - - if ((p = malloc(len)) == NULL) - return NULL; - - mmoffset = base % getpagesize(); - mmp = mmap(0, mmoffset + len, PROT_READ, MAP_SHARED, fd, base - mmoffset); - if (mmp == MAP_FAILED) { - free(p); - return NULL; - } - - memcpy(p, (u8 *)mmp + mmoffset, len); - munmap(mmp, mmoffset + len); - close(fd); - return p; -} - - -struct dmi_header -{ - u8 type; - u8 length; - u16 handle; -}; - -static char *dmi_string(struct dmi_header *dm, u8 s) -{ - u8 *bp=(u8 *)dm; - if (!s) return ""; - - bp+=dm->length; - while(s>1) - { - bp+=strlen(bp); - bp++; - s--; - } - return bp; -} - -static char *dmi_processor_type(u8 code) -{ - static char *processor_type[]={ - "", - "Other", - "Unknown", - "Central Processor", - "Math Processor", - "DSP Processor", - "Video Processor" - }; - - if(code == 0xFF) - return "Other"; - - if (code > 0xA1) - return ""; - return processor_type[code]; -} - -static char *dmi_processor_family(u8 code) -{ - static char *processor_family[]={ - "", - "Other", - "Unknown", - "8086", - "80286", - "Intel386 processor", - "Intel486 processor", - "8087", - "80287", - "80387", - "80487", - "Pentium processor Family", - "Pentium Pro processor", - "Pentium II processor", - "Pentium processor with MMX technology", - "Celeron processor", - "Pentium II Xeon processor", - "Pentium III processor", - "M1 Family", - "M1","M1","M1","M1","M1","M1", /* 13h - 18h */ - "K5 Family", - "K5","K5","K5","K5","K5","K5", /* 1Ah - 1Fh */ - "Power PC Family", - "Power PC 601", - "Power PC 603", - "Power PC 603+", - "Power PC 604", - }; - - if(code == 0xFF) - return "Other"; - - if (code > 0x24) - return ""; - return processor_family[code]; -} - -typedef int (*dmi_decode)(u8 * data); - -static int decode_handle(u32 base, int len, int num, dmi_decode decode) -{ - u8 *buf; - u8 *data; - int i = 0; - int ret = 0; - - if ((buf = mem_chunk(base, len, DEFAULT_MEM_DEV)) == NULL) - return 0; - - data = buf; - while(ilength; - while(next-buf+1type == 4) && /*"Central Processor"*/(data[5] == 3)) { - if(/*Processor Manufacturer*/data[7] != 0) - return 1; - } - return 0; -} - -static int memory_in_MB_type6(u8 *data) -{ - struct dmi_header *dm; - - int dmi_memory_module_size(u8 code) { - /* 3.3.7.2 */ - switch(code&0x7F) { - case 0x7D: /* Not Determinable */ - case 0x7E: /* Disabled */ - case 0x7F: /* Not Installed */ - break; - default: - return 1<<(code&0x7F); - } - return 0; - } - - dm = (struct dmi_header *)data; - - if ((dm->type == 6) && (dm->length >= 0xC)) - return dmi_memory_module_size(data[0x0A]); /* Enabled Size */ - - return 0; -} - -static int memory_in_MB_type17(u8 *data) -{ - struct dmi_header *dm; - - int form_factor_check(u8 code) { - /* 3.3.18.1 */ - static const char form_factor[]={ - 0, /* "Other", */ /* 0x01 */ - 0, /* "Unknown", */ - 1, /* "SIMM", */ - 1, /* "SIP", */ - 0, /* "Chip", */ - 1, /* "DIP", */ - 0, /* "ZIP", */ - 0, /* "Proprietary Card", */ - 1, /* "DIMM", */ - 0, /* "TSOP", */ - 0, /* "Row Of Chips", */ - 1, /* "RIMM", */ - 1, /* "SODIMM", */ - 1, /* "SRIMM" *//* 0x0E */ - }; - - if(code>=0x01 && code<=0x0E) - return form_factor[code-0x01]; - return 0; /* out of spec */ - } - int dmi_memory_device_size(u16 code) { - int mult = 1; - - if (code == 0 || code == 0xFFFF) - return 0; - if (code & 0x8000) /* code is in KB */ - mult = 1024; - return (code & 0x7FFF) * mult; - } - - dm = (struct dmi_header *)data; - - if ((dm->type == 17) && (dm->length >= 0x15)) { - if (form_factor_check(data[0x0E])) - return dmi_memory_device_size((data[0x0D] << 8) + data[0x0C]); - } - - return 0; -} - -int intelDetectSMP(void) { - return dmi_detect(processor) > 1; -} - -int dmiDetectMemory(void) { - int s1 = dmi_detect(memory_in_MB_type6); - int s2 = dmi_detect(memory_in_MB_type17); - return s1 > s2 ? s1 : s2; -} - -#ifdef TEST -int main(void) -{ - printf("Memory Size: %d MB\n", dmiDetectMemory()); -} -#endif -- cgit v1.2.1