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-rw-r--r--contrib/syslinux/latest/com32/sysdump/cpuid.c91
1 files changed, 0 insertions, 91 deletions
diff --git a/contrib/syslinux/latest/com32/sysdump/cpuid.c b/contrib/syslinux/latest/com32/sysdump/cpuid.c
deleted file mode 100644
index 372a70d..0000000
--- a/contrib/syslinux/latest/com32/sysdump/cpuid.c
+++ /dev/null
@@ -1,91 +0,0 @@
-/*
- * Dump CPUID information
- */
-
-#include <stdio.h>
-#include <string.h>
-#include <stdlib.h>
-#include <com32.h>
-#include <sys/cpu.h>
-#include "sysdump.h"
-#include "backend.h"
-
-struct cpuid_data {
- uint32_t eax, ebx, ecx, edx;
-};
-
-struct cpuid_info {
- uint32_t eax, ecx;
- struct cpuid_data data;
-};
-
-static void get_cpuid(uint32_t eax, uint32_t ecx, struct cpuid_data *data)
-{
- asm("pushl %%ebx ; cpuid ; movl %%ebx,%1 ; popl %%ebx"
- : "=a" (data->eax), "=r" (data->ebx),
- "=c" (data->ecx), "=d" (data->edx)
- : "a" (eax), "c" (ecx));
-}
-
-#define CPUID_CHUNK 128
-
-void dump_cpuid(struct backend *be)
-{
- struct cpuid_info *buf = NULL;
- int nentry, nalloc;
- uint32_t region;
- struct cpuid_data base_leaf;
- uint32_t base, leaf, count;
- struct cpuid_data invalid_leaf;
- struct cpuid_data data;
-
- if (!cpu_has_eflag(EFLAGS_ID))
- return;
-
- printf("Dumping CPUID... ");
-
- nentry = nalloc = 0;
-
- /* Find out what the CPU returns for invalid leaves */
- get_cpuid(0, 0, &base_leaf);
- get_cpuid(base_leaf.eax+1, 0, &invalid_leaf);
-
- for (region = 0 ; region <= 0xffff ; region++) {
- base = region << 16;
-
- get_cpuid(base, 0, &base_leaf);
- if (region && !memcmp(&base_leaf, &invalid_leaf, sizeof base_leaf))
- continue;
-
- if ((base_leaf.eax ^ base) & 0xffff0000)
- continue;
-
- for (leaf = base ; leaf <= base_leaf.eax ; leaf++) {
- get_cpuid(leaf, 0, &data);
- count = 0;
-
- do {
- if (nentry >= nalloc) {
- nalloc += CPUID_CHUNK;
- buf = realloc(buf, nalloc*sizeof *buf);
- if (!buf)
- return; /* FAILED */
- }
- buf[nentry].eax = leaf;
- buf[nentry].ecx = count;
- buf[nentry].data = data;
- nentry++;
- count++;
-
- get_cpuid(leaf, count, &data);
- } while (memcmp(&data, &buf[nentry-1].data, sizeof data) &&
- (data.eax | data.ebx | data.ecx | data.edx));
- }
- }
-
- if (nentry)
- cpio_writefile(be, "cpuid", buf, nentry*sizeof *buf);
- free(buf);
-
- printf("done.\n");
-}